Skip to content

R
riscv-gcc-1
Commit a7b2e184 by Martin Sebor Committed by Martin Sebor
Options

Improve --help output to generate references to option aliases. 

gcc/
	PR driver/68043
	* opts.c (undocumented_msg, use_diagnosed_msg): New globals.
	(print_filtered_help): Reference aliased option's name and encourage
	readers to use it in preference to the alias if the former is not
	documented.  Mention when using an option is diagnosed.
	* gcc.c (display_help): End each sentence with a period.

	* ada/gcc-interface/lang.opt: End each sentence that describes
	an option with a period.
	* c-family/c.opt: Same.
	* common.opt: Same.
	* config/aarch64/aarch64.opt: Same.
	* config/alpha/alpha.opt: Same.
	* config/arc/arc.opt: Same.
	* config/arm/arm.opt: Same.
	* config/avr/avr.opt: Same.
	* config/bfin/bfin.opt: Same.
	* config/c6x/c6x.opt: Same.
	* config/cr16/cr16.opt: Same.
	* config/cris/cris.opt: Same.
	* config/cris/linux.opt: Same.
	* config/darwin.opt: Same.
	* config/epiphany/epiphany.opt: Same.
	* config/fr30/fr30.opt: Same.
	* config/frv/frv.opt: Same.
	* config/ft32/ft32.opt: Same.
	* config/g.opt: Same.
	* config/h8300/h8300.opt: Same.
	* config/i386/cygming.opt: Same.
	* config/i386/djgpp.opt: Same.
	* config/i386/i386.opt: Same.
	* config/i386/interix.opt: Same.
	* config/i386/mingw-w64.opt: Same.
	* config/i386/mingw.opt: Same.
	* config/ia64/ia64.opt: Same.
	* config/ia64/ilp32.opt: Same.
	* config/iq2000/iq2000.opt: Same.
	* config/linux.opt: Same.
	* config/lm32/lm32.opt: Same.
	* config/lynx.opt: Same.
	* config/m32c/m32c.opt: Same.
	* config/m32r/m32r.opt: Same.
	* config/m68k/ieee.opt: Same.
	* config/m68k/m68k.opt: Same.
	* config/mcore/mcore.opt: Same.
	* config/mep/mep.opt: Same.
	* config/microblaze/microblaze.opt: Same.
	* config/mips/mips.opt: Same.
	* config/mmix/mmix.opt: Same.
	* config/mn10300/mn10300.opt: Same.
	* config/moxie/moxie.opt: Same.
	* config/msp430/msp430.opt: Same.
	* config/nios2/elf.opt: Same.
	* config/nios2/nios2.opt: Same.
	* config/nvptx/nvptx.opt: Same.
	* config/pa/pa-hpux.opt: Same.
	* config/pa/pa-hpux1010.opt: Same.
	* config/pa/pa-hpux1111.opt: Same.
	* config/pa/pa-hpux1131.opt: Same.
	* config/pa/pa.opt: Same.
	* config/pa/pa64-hpux.opt: Same.
	* config/pdp11/pdp11.opt: Same.
	* config/rl78/rl78.opt: Same.
	* config/rs6000/476.opt: Same.
	* config/rs6000/aix64.opt: Same.
	* config/rs6000/darwin.opt: Same.
	* config/rs6000/linux64.opt: Same.
	* config/rs6000/rs6000.opt: Same.
	* config/rs6000/sysv4.opt: Same.
	* config/s390/s390.opt: Same.
	* config/s390/tpf.opt: Same.
	* config/sh/sh.opt: Same.
	* config/sol2.opt: Same.
	* config/sparc/long-double-switch.opt: Same.
	* config/sparc/sparc.opt: Same.
	* config/spu/spu.opt: Same.
	* config/stormy16/stormy16.opt: Same.
	* config/tilegx/tilegx.opt: Same.
	* config/tilepro/tilepro.opt: Same.
	* config/v850/v850.opt: Same.
	* config/vax/vax.opt: Same.
	* config/visium/visium.opt: Same.
	* config/vms/vms.opt: Same.
	* config/vxworks.opt: Same.
	* config/xtensa/xtensa.opt: Same.
	* fortran/lang.opt: Same.

testsuite/
	PR driver/68043
	* gcc.misc-tests/help.exp: Adjust.
	* lib/options.exp (check_for_options): Add detail to output.

From-SVN: r229155
parent 22d66382
Showing with 979 additions and 828 deletions
gcc/ChangeLog
2015-10-21 Martin Sebor <msebor@redhat.com>
PR driver/68043
* opts.c (undocumented_msg, use_diagnosed_msg): New globals.
(print_filtered_help): Reference aliased option's name and encourage
readers to use it in preference to the alias if the former is not
documented. Mention when using an option is diagnosed.
* gcc.c (display_help): End each sentence with a period.
* ada/gcc-interface/lang.opt: End each sentence that describes
an option with a period.
* c-family/c.opt: Same.
* common.opt: Same.
* config/aarch64/aarch64.opt: Same.
* config/alpha/alpha.opt: Same.
* config/arc/arc.opt: Same.
* config/arm/arm.opt: Same.
* config/avr/avr.opt: Same.
* config/bfin/bfin.opt: Same.
* config/c6x/c6x.opt: Same.
* config/cr16/cr16.opt: Same.
* config/cris/cris.opt: Same.
* config/cris/linux.opt: Same.
* config/darwin.opt: Same.
* config/epiphany/epiphany.opt: Same.
* config/fr30/fr30.opt: Same.
* config/frv/frv.opt: Same.
* config/ft32/ft32.opt: Same.
* config/g.opt: Same.
* config/h8300/h8300.opt: Same.
* config/i386/cygming.opt: Same.
* config/i386/djgpp.opt: Same.
* config/i386/i386.opt: Same.
* config/i386/interix.opt: Same.
* config/i386/mingw-w64.opt: Same.
* config/i386/mingw.opt: Same.
* config/ia64/ia64.opt: Same.
* config/ia64/ilp32.opt: Same.
* config/iq2000/iq2000.opt: Same.
* config/linux.opt: Same.
* config/lm32/lm32.opt: Same.
* config/lynx.opt: Same.
* config/m32c/m32c.opt: Same.
* config/m32r/m32r.opt: Same.
* config/m68k/ieee.opt: Same.
* config/m68k/m68k.opt: Same.
* config/mcore/mcore.opt: Same.
* config/mep/mep.opt: Same.
* config/microblaze/microblaze.opt: Same.
* config/mips/mips.opt: Same.
* config/mmix/mmix.opt: Same.
* config/mn10300/mn10300.opt: Same.
* config/moxie/moxie.opt: Same.
* config/msp430/msp430.opt: Same.
* config/nios2/elf.opt: Same.
* config/nios2/nios2.opt: Same.
* config/nvptx/nvptx.opt: Same.
* config/pa/pa-hpux.opt: Same.
* config/pa/pa-hpux1010.opt: Same.
* config/pa/pa-hpux1111.opt: Same.
* config/pa/pa-hpux1131.opt: Same.
* config/pa/pa.opt: Same.
* config/pa/pa64-hpux.opt: Same.
* config/pdp11/pdp11.opt: Same.
* config/rl78/rl78.opt: Same.
* config/rs6000/476.opt: Same.
* config/rs6000/aix64.opt: Same.
* config/rs6000/darwin.opt: Same.
* config/rs6000/linux64.opt: Same.
* config/rs6000/rs6000.opt: Same.
* config/rs6000/sysv4.opt: Same.
* config/s390/s390.opt: Same.
* config/s390/tpf.opt: Same.
* config/sh/sh.opt: Same.
* config/sol2.opt: Same.
* config/sparc/long-double-switch.opt: Same.
* config/sparc/sparc.opt: Same.
* config/spu/spu.opt: Same.
* config/stormy16/stormy16.opt: Same.
* config/tilegx/tilegx.opt: Same.
* config/tilepro/tilepro.opt: Same.
* config/v850/v850.opt: Same.
* config/vax/vax.opt: Same.
* config/visium/visium.opt: Same.
* config/vms/vms.opt: Same.
* config/vxworks.opt: Same.
* config/xtensa/xtensa.opt: Same.
* fortran/lang.opt: Same.
2015-10-21 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
gcc/ada/gcc-interface/lang.opt
......@@ -54,11 +54,11 @@ Ada AdaWhy AdaSCIL Joined Separate
Wall
Ada AdaWhy AdaSCIL
Enable most warning messages
Enable most warning messages.
k8
Driver
Synonym of -gnatk8
Synonym of -gnatk8.
nostdinc
Ada AdaWhy AdaSCIL RejectNegative
......@@ -66,30 +66,30 @@ Ada AdaWhy AdaSCIL RejectNegative
nostdlib
Ada AdaWhy AdaSCIL
Do not look for object files in standard path
Do not look for object files in standard path.
fRTS=
Ada AdaWhy AdaSCIL Joined RejectNegative
Select the runtime
Select the runtime.
fshort-enums
Ada AdaWhy AdaSCIL
Use the narrowest integer type possible for enumeration types
Use the narrowest integer type possible for enumeration types.
gant
Ada AdaWhy AdaSCIL Joined Undocumented
Catch typos
Catch typos.
gnatO
Ada AdaWhy AdaSCIL Separate
Set name of output ALI file (internal switch)
Set name of output ALI file (internal switch).
gnat
Ada AdaWhy AdaSCIL Joined
-gnat<options> Specify options to GNAT
-gnat<options> Specify options to GNAT.
fbuiltin-printf
Ada Undocumented
Ignored
Ignored.
; This comment is to ensure we retain the blank line above.
gcc/config/aarch64/aarch64.opt
......@@ -62,39 +62,39 @@ Enum(cmodel) String(large) Value(AARCH64_CMODEL_LARGE)
mbig-endian
Target Report RejectNegative Mask(BIG_END)
Assume target CPU is configured as big endian
Assume target CPU is configured as big endian.
mgeneral-regs-only
Target Report RejectNegative Mask(GENERAL_REGS_ONLY) Save
Generate code which uses only the general registers
Generate code which uses only the general registers.
mfix-cortex-a53-835769
Target Report Var(aarch64_fix_a53_err835769) Init(2) Save
Workaround for ARM Cortex-A53 Erratum number 835769
Workaround for ARM Cortex-A53 Erratum number 835769.
mfix-cortex-a53-843419
Target Report
Workaround for ARM Cortex-A53 Erratum number 843419
Workaround for ARM Cortex-A53 Erratum number 843419.
mlittle-endian
Target Report RejectNegative InverseMask(BIG_END)
Assume target CPU is configured as little endian
Assume target CPU is configured as little endian.
mcmodel=
Target RejectNegative Joined Enum(cmodel) Var(aarch64_cmodel_var) Init(AARCH64_CMODEL_SMALL) Save
Specify the code model
Specify the code model.
mstrict-align
Target Report RejectNegative Mask(STRICT_ALIGN) Save
Don't assume that unaligned accesses are handled by the system
Don't assume that unaligned accesses are handled by the system.
momit-leaf-frame-pointer
Target Report Var(flag_omit_leaf_frame_pointer) Init(2) Save
Omit the frame pointer in leaf functions
Omit the frame pointer in leaf functions.
mtls-dialect=
Target RejectNegative Joined Enum(tls_type) Var(aarch64_tls_dialect) Init(TLS_DESCRIPTORS) Save
Specify TLS dialect
Specify TLS dialect.
mtls-size=
Target RejectNegative Joined Var(aarch64_tls_size) Enum(aarch64_tls_size)
......@@ -117,23 +117,23 @@ Enum(aarch64_tls_size) String(48) Value(48)
march=
Target RejectNegative ToLower Joined Var(aarch64_arch_string)
-march=ARCH Use features of architecture ARCH
-march=ARCH Use features of architecture ARCH.
mcpu=
Target RejectNegative ToLower Joined Var(aarch64_cpu_string)
-mcpu=CPU Use features of and optimize for CPU
-mcpu=CPU Use features of and optimize for CPU.
mtune=
Target RejectNegative ToLower Joined Var(aarch64_tune_string)
-mtune=CPU Optimize for CPU
-mtune=CPU Optimize for CPU.
mabi=
Target RejectNegative Joined Enum(aarch64_abi) Var(aarch64_abi) Init(AARCH64_ABI_DEFAULT)
-mabi=ABI Generate code that conforms to the specified ABI
-mabi=ABI Generate code that conforms to the specified ABI.
moverride=
Target RejectNegative ToLower Joined Var(aarch64_override_tune_string)
-moverride=STRING Power users only! Override CPU optimization parameters
-moverride=STRING Power users only! Override CPU optimization parameters.
Enum
Name(aarch64_abi) Type(int)
......
gcc/config/alpha/alpha.opt
......@@ -20,11 +20,11 @@
msoft-float
Target Report Mask(SOFT_FP)
Do not use hardware fp
Do not use hardware fp.
mfp-regs
Target Report Mask(FPREGS)
Use fp registers
Use fp registers.
mgas
Target Ignore
......@@ -32,99 +32,99 @@ Does nothing. Preserved for backward compatibility.
mieee-conformant
Target RejectNegative Mask(IEEE_CONFORMANT)
Request IEEE-conformant math library routines (OSF/1)
Request IEEE-conformant math library routines (OSF/1).
mieee
Target Report RejectNegative Mask(IEEE)
Emit IEEE-conformant code, without inexact exceptions
Emit IEEE-conformant code, without inexact exceptions.
mieee-with-inexact
Target Report RejectNegative Mask(IEEE_WITH_INEXACT)
mbuild-constants
Target Report Mask(BUILD_CONSTANTS)
Do not emit complex integer constants to read-only memory
Do not emit complex integer constants to read-only memory.
mfloat-vax
Target Report RejectNegative Mask(FLOAT_VAX)
Use VAX fp
Use VAX fp.
mfloat-ieee
Target Report RejectNegative InverseMask(FLOAT_VAX)
Do not use VAX fp
Do not use VAX fp.
mbwx
Target Report Mask(BWX)
Emit code for the byte/word ISA extension
Emit code for the byte/word ISA extension.
mmax
Target Report Mask(MAX)
Emit code for the motion video ISA extension
Emit code for the motion video ISA extension.
mfix
Target Report Mask(FIX)
Emit code for the fp move and sqrt ISA extension
Emit code for the fp move and sqrt ISA extension.
mcix
Target Report Mask(CIX)
Emit code for the counting ISA extension
Emit code for the counting ISA extension.
mexplicit-relocs
Target Report Mask(EXPLICIT_RELOCS)
Emit code using explicit relocation directives
Emit code using explicit relocation directives.
msmall-data
Target Report RejectNegative Mask(SMALL_DATA)
Emit 16-bit relocations to the small data areas
Emit 16-bit relocations to the small data areas.
mlarge-data
Target Report RejectNegative InverseMask(SMALL_DATA)
Emit 32-bit relocations to the small data areas
Emit 32-bit relocations to the small data areas.
msmall-text
Target Report RejectNegative Mask(SMALL_TEXT)
Emit direct branches to local functions
Emit direct branches to local functions.
mlarge-text
Target Report RejectNegative InverseMask(SMALL_TEXT)
Emit indirect branches to local functions
Emit indirect branches to local functions.
mtls-kernel
Target Report Mask(TLS_KERNEL)
Emit rdval instead of rduniq for thread pointer
Emit rdval instead of rduniq for thread pointer.
mlong-double-128
Target Report RejectNegative Mask(LONG_DOUBLE_128)
Use 128-bit long double
Use 128-bit long double.
mlong-double-64
Target Report RejectNegative InverseMask(LONG_DOUBLE_128)
Use 64-bit long double
Use 64-bit long double.
mcpu=
Target RejectNegative Joined Var(alpha_cpu_string)
Use features of and schedule given CPU
Use features of and schedule given CPU.
mtune=
Target RejectNegative Joined Var(alpha_tune_string)
Schedule given CPU
Schedule given CPU.
mfp-rounding-mode=
Target RejectNegative Joined Var(alpha_fprm_string)
Control the generated fp rounding mode
Control the generated fp rounding mode.
mfp-trap-mode=
Target RejectNegative Joined Var(alpha_fptm_string)
Control the IEEE trap mode
Control the IEEE trap mode.
mtrap-precision=
Target RejectNegative Joined Var(alpha_tp_string)
Control the precision given to fp exceptions
Control the precision given to fp exceptions.
mmemory-latency=
Target RejectNegative Joined Var(alpha_mlat_string)
Tune expected memory latency
Tune expected memory latency.
mtls-size=
Target RejectNegative Joined UInteger Var(alpha_tls_size) Init(32)
Specify bit size of immediate TLS offsets
Specify bit size of immediate TLS offsets.
gcc/config/arc/arc.opt
......@@ -23,39 +23,39 @@ config/arc/arc-opts.h
mbig-endian
Target Report RejectNegative Mask(BIG_ENDIAN)
Compile code for big endian mode
Compile code for big endian mode.
mlittle-endian
Target Report RejectNegative InverseMask(BIG_ENDIAN)
Compile code for little endian mode. This is the default
Compile code for little endian mode. This is the default.
mno-cond-exec
Target Report RejectNegative Mask(NO_COND_EXEC)
Disable ARCompact specific pass to generate conditional execution instructions
Disable ARCompact specific pass to generate conditional execution instructions.
mA6
Target Report
Generate ARCompact 32-bit code for ARC600 processor
Generate ARCompact 32-bit code for ARC600 processor.
mARC600
Target Report
Same as -mA6
Same as -mA6.
mARC601
Target Report
Generate ARCompact 32-bit code for ARC601 processor
Generate ARCompact 32-bit code for ARC601 processor.
mA7
Target Report
Generate ARCompact 32-bit code for ARC700 processor
Generate ARCompact 32-bit code for ARC700 processor.
mARC700
Target Report
Same as -mA7
Same as -mA7.
mmixed-code
Target Report Mask(MIXED_CODE_SET)
Tweak register allocation to help 16-bit instruction generation
Tweak register allocation to help 16-bit instruction generation.
; originally this was:
;Generate ARCompact 16-bit instructions intermixed with 32-bit instructions
; but we do that without -mmixed-code, too, it's just a different instruction
......@@ -65,43 +65,43 @@ Tweak register allocation to help 16-bit instruction generation
; actually interesting option, and we want that to have its own comment.
mvolatile-cache
Target Report RejectNegative Mask(VOLATILE_CACHE_SET)
Use ordinarily cached memory accesses for volatile references
Use ordinarily cached memory accesses for volatile references.
mno-volatile-cache
Target Report RejectNegative InverseMask(VOLATILE_CACHE_SET)
Enable cache bypass for volatile references
Enable cache bypass for volatile references.
mbarrel-shifter
Target Report Mask(BARREL_SHIFTER)
Generate instructions supported by barrel shifter
Generate instructions supported by barrel shifter.
mnorm
Target Report Mask(NORM_SET)
Generate norm instruction
Generate norm instruction.
mswap
Target Report Mask(SWAP_SET)
Generate swap instruction
Generate swap instruction.
mmul64
Target Report Mask(MUL64_SET)
Generate mul64 and mulu64 instructions
Generate mul64 and mulu64 instructions.
mno-mpy
Target Report Mask(NOMPY_SET)
Do not generate mpy instructions for ARC700
Do not generate mpy instructions for ARC700.
mea
Target Report Mask(EA_SET)
Generate Extended arithmetic instructions. Currently only divaw, adds, subs and sat16 are supported
Generate Extended arithmetic instructions. Currently only divaw, adds, subs and sat16 are supported.
msoft-float
Target Report Mask(0)
Dummy flag. This is the default unless FPX switches are provided explicitly
Dummy flag. This is the default unless FPX switches are provided explicitly.
mlong-calls
Target Report Mask(LONG_CALLS_SET)
Generate call insns as register indirect calls
Generate call insns as register indirect calls.
mno-brcc
Target Report Mask(NO_BRCC_SET)
......@@ -113,7 +113,7 @@ Generate sdata references. This is the default, unless you compile for PIC.
mno-millicode
Target Report Mask(NO_MILLICODE_THUNK_SET)
Do not generate millicode thunks (needed only with -Os)
Do not generate millicode thunks (needed only with -Os).
mspfp
Target Report Mask(SPFP_COMPACT_SET)
......@@ -153,7 +153,7 @@ Enable generation of ARC SIMD instructions via target-specific builtins.
mcpu=
Target RejectNegative Joined Var(arc_cpu) Enum(processor_type) Init(PROCESSOR_NONE)
-mcpu=CPU Compile code for ARC variant CPU
-mcpu=CPU Compile code for ARC variant CPU.
Enum
Name(processor_type) Type(enum processor_type)
......@@ -169,11 +169,11 @@ Enum(processor_type) String(ARC700) Value(PROCESSOR_ARC700)
msize-level=
Target RejectNegative Joined UInteger Var(arc_size_opt_level) Init(-1)
size optimization level: 0:none 1:opportunistic 2: regalloc 3:drop align, -Os
size optimization level: 0:none 1:opportunistic 2: regalloc 3:drop align, -Os.
misize
Target Report PchIgnore Var(TARGET_DUMPISIZE)
Annotate assembler instructions with estimated addresses
Annotate assembler instructions with estimated addresses.
mmultcost=
Target RejectNegative Joined UInteger Var(arc_multcost) Init(-1)
......@@ -205,7 +205,7 @@ Tune for ARC700 R4.2 Cpu with XMAC block.
mindexed-loads
Target Var(TARGET_INDEXED_LOADS)
Enable the use of indexed loads
Enable the use of indexed loads.
mauto-modify-reg
Target Var(TARGET_AUTO_MODIFY_REG)
......@@ -213,13 +213,13 @@ Enable the use of pre/post modify with register displacement.
mmul32x16
Target Report Mask(MULMAC_32BY16_SET)
Generate 32x16 multiply and mac instructions
Generate 32x16 multiply and mac instructions.
; the initializer is supposed to be: Init(REG_BR_PROB_BASE/2) ,
; alas, basic-block.h is not included in options.c .
munalign-prob-threshold=
Target RejectNegative Joined UInteger Var(arc_unalign_prob_threshold) Init(10000/2)
Set probability threshold for unaligning branches
Set probability threshold for unaligning branches.
mmedium-calls
Target Var(TARGET_MEDIUM_CALLS) Init(TARGET_MMEDIUM_CALLS_DEFAULT)
......@@ -243,11 +243,11 @@ Enable Rcw constraint handling - ccfsm condexec mostly depends on this.
mearly-cbranchsi
Target Var(TARGET_EARLY_CBRANCHSI)
Enable pre-reload use of cbranchsi pattern
Enable pre-reload use of cbranchsi pattern.
mbbit-peephole
Target Var(TARGET_BBIT_PEEPHOLE)
Enable bbit peephole2
Enable bbit peephole2.
mcase-vector-pcrel
Target Var(TARGET_CASE_VECTOR_PC_RELATIVE)
......@@ -255,7 +255,7 @@ Use pc-relative switch case tables - this enables case table shortening.
mcompact-casesi
Target Var(TARGET_COMPACT_CASESI)
Enable compact casesi pattern
Enable compact casesi pattern.
mq-class
Target Var(TARGET_Q_CLASS)
......@@ -270,15 +270,15 @@ Expand adddi3 and subdi3 at rtl generation time into add.f / adc etc.
; macro symbols as well.
mcrc
Target Report
Enable variable polynomial CRC extension
Enable variable polynomial CRC extension.
mdsp-packa
Target Report
Enable DSP 3.1 Pack A extensions
Enable DSP 3.1 Pack A extensions.
mdvbf
Target Report
Enable dual viterbi butterfly extension
Enable dual viterbi butterfly extension.
mmac-d16
Target Report Undocumented
......@@ -288,24 +288,24 @@ Target Report Undocumented
mtelephony
Target Report RejectNegative
Enable Dual and Single Operand Instructions for Telephony
Enable Dual and Single Operand Instructions for Telephony.
mxy
Target Report
Enable XY Memory extension (DSP version 3)
Enable XY Memory extension (DSP version 3).
; ARC700 4.10 extension instructions
mlock
Target Report
Enable Locked Load/Store Conditional extension
Enable Locked Load/Store Conditional extension.
mswape
Target Report
Enable swap byte ordering extension instruction
Enable swap byte ordering extension instruction.
mrtsc
Target Report
Enable 64-bit Time-Stamp Counter extension instruction
Enable 64-bit Time-Stamp Counter extension instruction.
mno-epilogue-cfi
Target Report RejectNegative InverseMask(EPILOGUE_CFI)
......@@ -337,23 +337,23 @@ Pass -marclinux_prof option through to linker.
; so don't enable by default.
mlra
Target Mask(LRA)
Enable lra
Enable lra.
mlra-priority-none
Target RejectNegative Var(arc_lra_priority_tag, ARC_LRA_PRIORITY_NONE)
Don't indicate any priority with TARGET_REGISTER_PRIORITY
Don't indicate any priority with TARGET_REGISTER_PRIORITY.
mlra-priority-compact
Target RejectNegative Var(arc_lra_prioritytag, ARC_LRA_PRIORITY_COMPACT)
Indicate priority for r0..r3 / r12..r15 with TARGET_REGISTER_PRIORITY
Indicate priority for r0..r3 / r12..r15 with TARGET_REGISTER_PRIORITY.
mlra-priority-noncompact
Target RejectNegative Var(arc_lra_prioritytag, ARC_LRA_PRIORITY_NONCOMPACT)
Reduce priority for r0..r3 / r12..r15 with TARGET_REGISTER_PRIORITY
Reduce priority for r0..r3 / r12..r15 with TARGET_REGISTER_PRIORITY.
mucb-mcount
Target Report Var(TARGET_UCB_MCOUNT)
instrument with mcount calls as in the ucb code
instrument with mcount calls as in the ucb code.
; backward-compatibility aliases, translated by DRIVER_SELF_SPECS
......
gcc/config/arm/arm.opt
......@@ -33,7 +33,7 @@ Enum(tls_type) String(gnu2) Value(TLS_GNU2)
mabi=
Target RejectNegative Joined Enum(arm_abi_type) Var(arm_abi) Init(ARM_DEFAULT_ABI)
Specify an ABI
Specify an ABI.
Enum
Name(arm_abi_type) Type(enum arm_abi_type)
......@@ -56,29 +56,29 @@ Enum(arm_abi_type) String(aapcs-linux) Value(ARM_ABI_AAPCS_LINUX)
mabort-on-noreturn
Target Report Mask(ABORT_NORETURN)
Generate a call to abort if a noreturn function returns
Generate a call to abort if a noreturn function returns.
mapcs
Target RejectNegative Mask(APCS_FRAME) Undocumented
mapcs-float
Target Report Mask(APCS_FLOAT)
Pass FP arguments in FP registers
Pass FP arguments in FP registers.
mapcs-frame
Target Report Mask(APCS_FRAME)
Generate APCS conformant stack frames
Generate APCS conformant stack frames.
mapcs-reentrant
Target Report Mask(APCS_REENT)
Generate re-entrant, PIC code
Generate re-entrant, PIC code.
mapcs-stack-check
Target Report Mask(APCS_STACK) Undocumented
march=
Target RejectNegative ToLower Joined Enum(arm_arch) Var(arm_arch_option)
Specify the name of the target architecture
Specify the name of the target architecture.
; Other arm_arch values are loaded from arm-tables.opt
; but that is a generated file and this is an odd-one-out.
......@@ -91,23 +91,23 @@ Generate code in 32 bit ARM state.
mbig-endian
Target Report RejectNegative Mask(BIG_END)
Assume target CPU is configured as big endian
Assume target CPU is configured as big endian.
mcallee-super-interworking
Target Report Mask(CALLEE_INTERWORKING)
Thumb: Assume non-static functions may be called from ARM code
Thumb: Assume non-static functions may be called from ARM code.
mcaller-super-interworking
Target Report Mask(CALLER_INTERWORKING)
Thumb: Assume function pointers may go to non-Thumb aware code
Thumb: Assume function pointers may go to non-Thumb aware code.
mcpu=
Target RejectNegative ToLower Joined Enum(processor_type) Var(arm_cpu_option) Init(arm_none)
Specify the name of the target CPU
Specify the name of the target CPU.
mfloat-abi=
Target RejectNegative Joined Enum(float_abi_type) Var(arm_float_abi) Init(TARGET_DEFAULT_FLOAT_ABI)
Specify if floating point hardware should be used
Specify if floating point hardware should be used.
Enum
Name(float_abi_type) Type(enum float_abi_type)
......@@ -124,11 +124,11 @@ Enum(float_abi_type) String(hard) Value(ARM_FLOAT_ABI_HARD)
mflip-thumb
Target Report Var(TARGET_FLIP_THUMB) Undocumented
Switch ARM/Thumb modes on alternating functions for compiler testing
Switch ARM/Thumb modes on alternating functions for compiler testing.
mfp16-format=
Target RejectNegative Joined Enum(arm_fp16_format_type) Var(arm_fp16_format) Init(ARM_FP16_FORMAT_NONE)
Specify the __fp16 floating-point format
Specify the __fp16 floating-point format.
Enum
Name(arm_fp16_format_type) Type(enum arm_fp16_format_type)
......@@ -145,18 +145,18 @@ Enum(arm_fp16_format_type) String(alternative) Value(ARM_FP16_FORMAT_ALTERNATIVE
mfpu=
Target RejectNegative Joined Enum(arm_fpu) Var(arm_fpu_index)
Specify the name of the target floating point hardware/format
Specify the name of the target floating point hardware/format.
mhard-float
Target RejectNegative Alias(mfloat-abi=, hard) Undocumented
mlittle-endian
Target Report RejectNegative InverseMask(BIG_END)
Assume target CPU is configured as little endian
Assume target CPU is configured as little endian.
mlong-calls
Target Report Mask(LONG_CALLS)
Generate call insns as indirect calls, if necessary
Generate call insns as indirect calls, if necessary.
mpic-data-is-text-relative
Target Report Var(arm_pic_data_is_text_relative) Init(TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE)
......@@ -164,42 +164,42 @@ Assume data segments are relative to text segment.
mpic-register=
Target RejectNegative Joined Var(arm_pic_register_string)
Specify the register to be used for PIC addressing
Specify the register to be used for PIC addressing.
mpoke-function-name
Target Report Mask(POKE_FUNCTION_NAME)
Store function names in object code
Store function names in object code.
msched-prolog
Target Report Mask(SCHED_PROLOG)
Permit scheduling of a function's prologue sequence
Permit scheduling of a function's prologue sequence.
msingle-pic-base
Target Report Mask(SINGLE_PIC_BASE)
Do not load the PIC register in function prologues
Do not load the PIC register in function prologues.
msoft-float
Target RejectNegative Alias(mfloat-abi=, soft) Undocumented
mstructure-size-boundary=
Target RejectNegative Joined UInteger Var(arm_structure_size_boundary) Init(DEFAULT_STRUCTURE_SIZE_BOUNDARY)
Specify the minimum bit alignment of structures
Specify the minimum bit alignment of structures.
mthumb
Target Report RejectNegative Mask(THUMB) Save
Generate code for Thumb state
Generate code for Thumb state.
mthumb-interwork
Target Report Mask(INTERWORK)
Support calls between Thumb and ARM instruction sets
Support calls between Thumb and ARM instruction sets.
mtls-dialect=
Target RejectNegative Joined Enum(tls_type) Var(target_tls_dialect) Init(TLS_GNU)
Specify thread local storage scheme
Specify thread local storage scheme.
mtp=
Target RejectNegative Joined Enum(arm_tp_type) Var(target_thread_pointer) Init(TP_AUTO)
Specify how to access the thread pointer
Specify how to access the thread pointer.
Enum
Name(arm_tp_type) Type(enum arm_tp_type)
......@@ -216,15 +216,15 @@ Enum(arm_tp_type) String(cp15) Value(TP_CP15)
mtpcs-frame
Target Report Mask(TPCS_FRAME)
Thumb: Generate (non-leaf) stack frames even if not needed
Thumb: Generate (non-leaf) stack frames even if not needed.
mtpcs-leaf-frame
Target Report Mask(TPCS_LEAF_FRAME)
Thumb: Generate (leaf) stack frames even if not needed
Thumb: Generate (leaf) stack frames even if not needed.
mtune=
Target RejectNegative ToLower Joined Enum(processor_type) Var(arm_tune_option) Init(arm_none)
Tune code for the given processor
Tune code for the given processor.
mprint-tune-info
Target Report RejectNegative Var(print_tune_info) Init(0)
......@@ -239,11 +239,11 @@ Enum(processor_type) String(native) Value(-1) DriverOnly
mvectorize-with-neon-quad
Target Report RejectNegative InverseMask(NEON_VECTORIZE_DOUBLE)
Use Neon quad-word (rather than double-word) registers for vectorization
Use Neon quad-word (rather than double-word) registers for vectorization.
mvectorize-with-neon-double
Target Report RejectNegative Mask(NEON_VECTORIZE_DOUBLE)
Use Neon double-word (rather than quad-word) registers for vectorization
Use Neon double-word (rather than quad-word) registers for vectorization.
mword-relocations
Target Report Var(target_word_relocations) Init(TARGET_DEFAULT_WORD_RELOCATIONS)
......
gcc/config/avr/avr.opt
......@@ -20,23 +20,23 @@
mcall-prologues
Target Report Mask(CALL_PROLOGUES)
Use subroutines for function prologues and epilogues
Use subroutines for function prologues and epilogues.
mmcu=
Target RejectNegative Joined Var(avr_mmcu) MissingArgError(missing device or architecture after %qs)
-mmcu=MCU Select the target MCU
-mmcu=MCU Select the target MCU.
mn-flash=
Target RejectNegative Joined Var(avr_n_flash) UInteger Init(-1)
Set the number of 64 KiB flash segments
Set the number of 64 KiB flash segments.
mskip-bug
Target Report Mask(SKIP_BUG)
Indicate presence of a processor erratum
Indicate presence of a processor erratum.
mrmw
Target Report Mask(RMW)
Enable Read-Modify-Write (RMW) instructions support/use
Enable Read-Modify-Write (RMW) instructions support/use.
mdeb
Target Report Undocumented Mask(ALL_DEBUG)
......@@ -46,11 +46,11 @@ Target RejectNegative Joined Undocumented Var(avr_log_details)
mint8
Target Report Mask(INT8)
Use an 8-bit 'int' type
Use an 8-bit 'int' type.
mno-interrupts
Target Report RejectNegative Mask(NO_INTERRUPTS)
Change the stack pointer without disabling interrupts
Change the stack pointer without disabling interrupts.
mbranch-cost=
Target Report Joined RejectNegative UInteger Var(avr_branch_cost) Init(0)
......@@ -64,11 +64,11 @@ Target Report Undocumented Mask(ORDER_2)
mtiny-stack
Target Report Mask(TINY_STACK)
Change only the low 8 bits of the stack pointer
Change only the low 8 bits of the stack pointer.
mrelax
Target Report
Relax branches
Relax branches.
mpmem-wrap-around
Target Report
......@@ -93,8 +93,8 @@ Warn if the address space of an address is changed.
mfract-convert-truncate
Target Report Mask(FRACT_CONV_TRUNC)
Allow to use truncation instead of rounding towards 0 for fractional int types
Allow to use truncation instead of rounding towards 0 for fractional int types.
nodevicelib
Driver Target Report RejectNegative
Do not link against the device-specific library lib<MCU>.a
Do not link against the device-specific library lib<MCU>.a.
gcc/config/bfin/bfin.opt
......@@ -37,19 +37,19 @@ unsigned int bfin_workarounds = 0
msim
Target RejectNegative
Use simulator runtime
Use simulator runtime.
mcpu=
Target RejectNegative Joined
Specify the name of the target CPU
Specify the name of the target CPU.
momit-leaf-frame-pointer
Target Report Mask(OMIT_LEAF_FRAME_POINTER)
Omit frame pointer for leaf functions
Omit frame pointer for leaf functions.
mlow64k
Target Report Mask(LOW_64K)
Program is entirely located in low 64k of memory
Program is entirely located in low 64k of memory.
mcsync-anomaly
Target Report Var(bfin_csync_anomaly) Init(-1)
......@@ -62,7 +62,7 @@ Avoid speculative loads to work around a hardware anomaly.
mid-shared-library
Target Report Mask(ID_SHARED_LIBRARY)
Enabled ID based shared library
Enabled ID based shared library.
mleaf-id-shared-library
Target Report Mask(LEAF_ID_SHARED_LIBRARY)
......@@ -71,47 +71,47 @@ but may be used as a shared library.
mshared-library-id=
Target RejectNegative Joined UInteger Var(bfin_library_id)
ID of shared library to build
ID of shared library to build.
msep-data
Target Report Mask(SEP_DATA)
Enable separate data segment
Enable separate data segment.
mlong-calls
Target Report Mask(LONG_CALLS)
Avoid generating pc-relative calls; use indirection
Avoid generating pc-relative calls; use indirection.
mfast-fp
Target Report Mask(FAST_FP)
Link with the fast floating-point library
Link with the fast floating-point library.
mfdpic
Target Report Mask(FDPIC)
Enable Function Descriptor PIC mode
Enable Function Descriptor PIC mode.
minline-plt
Target Report Mask(INLINE_PLT)
Enable inlining of PLT in function calls
Enable inlining of PLT in function calls.
mstack-check-l1
Target Report Mask(STACK_CHECK_L1)
Do stack checking using bounds in L1 scratch memory
Do stack checking using bounds in L1 scratch memory.
mmulticore
Target Report Mask(MULTICORE)
Enable multicore support
Enable multicore support.
mcorea
Target Report Mask(COREA)
Build for Core A
Build for Core A.
mcoreb
Target Report Mask(COREB)
Build for Core B
Build for Core B.
msdram
Target Report Mask(SDRAM)
Build for SDRAM
Build for SDRAM.
micplb
Target Report Mask(ICPLB)
......
gcc/config/c6x/c6x.opt
......@@ -27,23 +27,23 @@ config/c6x/c6x-opts.h
mbig-endian
Target Report RejectNegative Mask(BIG_ENDIAN)
Use big-endian byte order
Use big-endian byte order.
mlittle-endian
Target Report RejectNegative InverseMask(BIG_ENDIAN, LITTLE_ENDIAN)
Use little-endian byte order
Use little-endian byte order.
msim
Target RejectNegative
Use simulator runtime
Use simulator runtime.
msdata=
Target RejectNegative Enum(c6x_sdata) Joined Var(c6x_sdata_mode) Init(C6X_SDATA_DEFAULT)
Select method for sdata handling
Select method for sdata handling.
Enum
Name(c6x_sdata) Type(enum c6x_sdata)
Valid arguments for the -msdata= option
Valid arguments for the -msdata= option.
EnumValue
Enum(c6x_sdata) String(none) Value(C6X_SDATA_NONE)
......@@ -56,12 +56,12 @@ Enum(c6x_sdata) String(all) Value(C6X_SDATA_ALL)
mdsbt
Target Mask(DSBT)
Compile for the DSBT shared library ABI
Compile for the DSBT shared library ABI.
mlong-calls
Target Report Mask(LONG_CALLS)
Avoid generating pc-relative calls; use indirection
Avoid generating pc-relative calls; use indirection.
march=
Target RejectNegative Joined Enum(c6x_isa) Var(c6x_arch_option)
Specify the name of the target architecture
Specify the name of the target architecture.
gcc/config/cr16/cr16.opt
......@@ -20,30 +20,30 @@
msim
Target
-msim Use simulator runtime
-msim Use simulator runtime.
mbit-ops
Target Report Mask(BIT_OPS)
Generate SBIT, CBIT instructions
Generate SBIT, CBIT instructions.
mmac
Target Report Mask(MAC)
Support multiply accumulate instructions
Support multiply accumulate instructions.
mdebug-addr
Target RejectNegative Var(TARGET_DEBUG_ADDR) Undocumented
mdata-model=
Target RejectNegative JoinedOrMissing Var(cr16_data_model)
Treat data references as near, far or medium. medium is default
Treat data references as near, far or medium. medium is default.
mcr16c
Target RejectNegative Mask(CR16C)
Generate code for CR16C architecture
Generate code for CR16C architecture.
mcr16cplus
Target RejectNegative InverseMask(CR16C,CR16CP)
Generate code for CR16C+ architecture (Default)
Generate code for CR16C+ architecture (Default).
mint32
Target RejectNegative Mask(INT32)
......
gcc/config/cris/cris.opt
......@@ -42,18 +42,18 @@
; on the same page, including the TLB registers).
mmul-bug-workaround
Target Report Mask(MUL_BUG)
Work around bug in multiplication instruction
Work around bug in multiplication instruction.
; TARGET_ETRAX4_ADD: Instruction-set additions from Etrax 4 and up.
; (Just "lz".)
metrax4
Target Report Mask(ETRAX4_ADD)
Compile for ETRAX 4 (CRIS v3)
Compile for ETRAX 4 (CRIS v3).
; See cris_handle_option.
metrax100
Target Report RejectNegative
Compile for ETRAX 100 (CRIS v8)
Compile for ETRAX 100 (CRIS v8).
; See cris_handle_option.
mno-etrax100
......@@ -61,14 +61,14 @@ Target Report RejectNegative Undocumented
mpdebug
Target Report Mask(PDEBUG)
Emit verbose debug information in assembly code
Emit verbose debug information in assembly code.
; TARGET_CCINIT: Whether to use condition-codes generated by
; insns other than the immediately preceding compare/test insn.
; Used to check for errors in notice_update_cc.
mcc-init
Target Report Mask(CCINIT)
Do not use condition codes from normal instructions
Do not use condition codes from normal instructions.
; TARGET_SIDE_EFFECT_PREFIXES: Whether to use side-effect
; patterns. Used to debug the [rx=ry+i] type patterns.
......@@ -77,7 +77,7 @@ Target Report RejectNegative Mask(SIDE_EFFECT_PREFIXES) Undocumented
mno-side-effects
Target Report RejectNegative InverseMask(SIDE_EFFECT_PREFIXES)
Do not emit addressing modes with side-effect assignment
Do not emit addressing modes with side-effect assignment.
; TARGET_STACK_ALIGN: Whether to *keep* (not force) alignment of
; stack at 16 (or 32, depending on TARGET_ALIGN_BY_32) bits.
......@@ -86,7 +86,7 @@ Target Report RejectNegative Mask(STACK_ALIGN) Undocumented
mno-stack-align
Target Report RejectNegative InverseMask(STACK_ALIGN)
Do not tune stack alignment
Do not tune stack alignment.
; TARGET_DATA_ALIGN: Whether to do alignment on individual
; modifiable objects.
......@@ -95,7 +95,7 @@ Target Report RejectNegative Mask(DATA_ALIGN) Undocumented
mno-data-align
Target Report RejectNegative InverseMask(DATA_ALIGN)
Do not tune writable data alignment
Do not tune writable data alignment.
; TARGET_CONST_ALIGN: Whether to do alignment on individual
; non-modifiable objects.
......@@ -104,7 +104,7 @@ Target Report RejectNegative Mask(CONST_ALIGN) Undocumented
mno-const-align
Target Report RejectNegative InverseMask(CONST_ALIGN)
Do not tune code and read-only data alignment
Do not tune code and read-only data alignment.
; See cris_handle_option.
m32-bit
......@@ -113,7 +113,7 @@ Target Report RejectNegative Undocumented
; See cris_handle_option.
m32bit
Target Report RejectNegative
Align code and data to 32 bits
Align code and data to 32 bits.
; See cris_handle_option.
m16-bit
......@@ -130,7 +130,7 @@ Target Report RejectNegative Undocumented
; See cris_handle_option.
m8bit
Target Report RejectNegative
Don't align items in code or data
Don't align items in code or data.
; TARGET_PROLOGUE_EPILOGUE: Whether or not to omit function
; prologue and epilogue.
......@@ -139,14 +139,14 @@ Target Report RejectNegative Mask(PROLOGUE_EPILOGUE) Undocumented
mno-prologue-epilogue
Target Report RejectNegative InverseMask(PROLOGUE_EPILOGUE)
Do not emit function prologue or epilogue
Do not emit function prologue or epilogue.
; We have to handle this m-option here since we can't wash it
; off in both CC1_SPEC and CC1PLUS_SPEC.
mbest-lib-options
Target Report RejectNegative
Use the most feature-enabling options allowed by other options
Use the most feature-enabling options allowed by other options.
; FIXME: The following comment relates to gcc before cris.opt.
; Check if it's still valid:
......@@ -155,22 +155,22 @@ Use the most feature-enabling options allowed by other options
; Kludgy, but needed for some multilibbed files.
moverride-best-lib-options
Target Report RejectNegative
Override -mbest-lib-options
Override -mbest-lib-options.
mcpu=
Target Report RejectNegative Joined Undocumented Var(cris_cpu_str)
march=
Target Report RejectNegative Joined Var(cris_cpu_str)
-march=ARCH Generate code for the specified chip or CPU version
-march=ARCH Generate code for the specified chip or CPU version.
mtune=
Target Report RejectNegative Joined Var(cris_tune_str)
-mtune=ARCH Tune alignment for the specified chip or CPU version
-mtune=ARCH Tune alignment for the specified chip or CPU version.
mmax-stackframe=
Target Report RejectNegative Joined Var(cris_max_stackframe_str)
-mmax-stackframe=SIZE Warn when a stackframe is larger than the specified size
-mmax-stackframe=SIZE Warn when a stackframe is larger than the specified size.
max-stackframe=
Target Report RejectNegative Joined Undocumented Var(cris_max_stackframe_str)
......@@ -181,7 +181,7 @@ Emit traps as \"break 8\", default for CRIS v3 and up. If disabled, calls to ab
mtrap-unaligned-atomic
Target Report Var(cris_trap_unaligned_atomic) Init(2)
Emit checks causing \"break 8\" instructions to execute when applying atomic builtins on misaligned memory
Emit checks causing \"break 8\" instructions to execute when applying atomic builtins on misaligned memory.
munaligned-atomic-may-use-library
Target Report Var(cris_atomics_calling_libfunc) Init(2)
......
gcc/config/cris/linux.opt
......@@ -24,7 +24,7 @@ Target Report RejectNegative Undocumented
mno-gotplt
Target Report RejectNegative Mask(AVOID_GOTPLT)
Together with -fpic and -fPIC, do not use GOTPLT references
Together with -fpic and -fPIC, do not use GOTPLT references.
; There's a small added setup cost with using GOTPLT references
; for the first (resolving) call, but should in total be a win
......
gcc/config/darwin.opt
......@@ -111,7 +111,7 @@ Driver
mconstant-cfstrings
Target Report Var(darwin_constant_cfstrings) Init(1)
Generate compile-time CFString objects
Generate compile-time CFString objects.
multi_module
Driver RejectNegative Alias(Zmulti_module)
......@@ -208,20 +208,20 @@ Driver
Wnonportable-cfstrings
Target Report Var(darwin_warn_nonportable_cfstrings) Init(1) Warning
Warn if constant CFString objects contain non-portable characters
Warn if constant CFString objects contain non-portable characters.
; Use new-style pic stubs if this is true, x86 only so far.
matt-stubs
Target Report Var(darwin_macho_att_stub) Init(1)
Generate AT&T-style stubs for Mach-O
Generate AT&T-style stubs for Mach-O.
mdynamic-no-pic
Target Common Report Mask(MACHO_DYNAMIC_NO_PIC)
Generate code suitable for executables (NOT shared libs)
Generate code suitable for executables (NOT shared libs).
mfix-and-continue
Target Report Var(darwin_fix_and_continue)
Generate code suitable for fast turn around debugging
Generate code suitable for fast turn around debugging.
; The Init here is for the convenience of GCC developers, so that cc1
; and cc1plus don't crash if no -mmacosx-version-min is passed. The
......@@ -229,23 +229,23 @@ Generate code suitable for fast turn around debugging
; Init is never used.
mmacosx-version-min=
Target Joined Report Var(darwin_macosx_version_min) Init(DEF_MIN_OSX_VERSION)
The earliest MacOS X version on which this program will run
The earliest MacOS X version on which this program will run.
mone-byte-bool
Target RejectNegative Report Var(darwin_one_byte_bool)
Set sizeof(bool) to 1
Set sizeof(bool) to 1.
fapple-kext
Target Report C++ Var(flag_apple_kext)
Generate code for darwin loadable kernel extensions
Generate code for darwin loadable kernel extensions.
mkernel
Target Report Var(flag_mkernel)
Generate code for the kernel or loadable kernel extensions
Generate code for the kernel or loadable kernel extensions.
iframework
Target RejectNegative C ObjC C++ ObjC++ Joined Separate
-iframework <dir> Add <dir> to the end of the system framework include path
-iframework <dir> Add <dir> to the end of the system framework include path.
X
Driver
......
gcc/config/epiphany/epiphany.opt
......@@ -29,7 +29,7 @@ preferentially allocate registers that allow short instruction generation.
mbranch-cost=
Target RejectNegative Joined UInteger Var(epiphany_branch_cost) Init(3)
Set branch cost
Set branch cost.
mcmove
Target Mask(CMOVE)
......@@ -37,7 +37,7 @@ enable conditional move instruction usage.
mnops=
Target RejectNegative Joined UInteger Var(epiphany_n_nops) Init(0)
set number of nops to emit before each insn pattern
set number of nops to emit before each insn pattern.
; Problems with using the flags from fsub for comparison are:
; - Because of underflow (lack of subnormal numbers), different small numbers
......@@ -49,19 +49,19 @@ set number of nops to emit before each insn pattern
; equal.
msoft-cmpsf
Target Mask(SOFT_CMPSF)
Use software floating point comparisons
Use software floating point comparisons.
msplit-lohi
Target Mask(SPLIT_LOHI)
Enable split of 32 bit immediate loads into low / high part
Enable split of 32 bit immediate loads into low / high part.
mpost-inc
Target Mask(POST_INC)
Enable use of POST_INC / POST_DEC
Enable use of POST_INC / POST_DEC.
mpost-modify
Target Mask(POST_MODIFY)
Enable use of POST_MODIFY
Enable use of POST_MODIFY.
mstack-offset=
Target RejectNegative Joined UInteger Var(epiphany_stack_offset) Init(EPIPHANY_STACK_OFFSET)
......@@ -73,11 +73,11 @@ Assume round to nearest is selected for purposes of scheduling.
mlong-calls
Target Mask(LONG_CALLS)
Generate call insns as indirect calls
Generate call insns as indirect calls.
mshort-calls
Target Mask(SHORT_CALLS)
Generate call insns as direct calls
Generate call insns as direct calls.
msmall16
Target Mask(SMALL16)
......@@ -105,7 +105,7 @@ Enum(attr_fp_mode) String(int) Value(FP_MODE_INT)
may-round-for-trunc
Target Mask(MAY_ROUND_FOR_TRUNC)
A floatig point to integer truncation may be replaced with rounding to save mode switching
A floatig point to integer truncation may be replaced with rounding to save mode switching.
mvect-double
Target Mask(VECT_DOUBLE)
......
gcc/config/fr30/fr30.opt
......@@ -20,8 +20,8 @@
msmall-model
Target Report Mask(SMALL_MODEL)
Assume small address space
Assume small address space.
mno-lsim
Target RejectNegative
Assume that run-time support has been provided, so omit -lsim from the linker command line
Assume that run-time support has been provided, so omit -lsim from the linker command line.
gcc/config/frv/frv.opt
......@@ -27,46 +27,46 @@ frv_cpu_t frv_cpu_type = CPU_TYPE
macc-4
Target Report RejectNegative Mask(ACC_4)
Use 4 media accumulators
Use 4 media accumulators.
macc-8
Target Report RejectNegative InverseMask(ACC_4, ACC_8)
Use 8 media accumulators
Use 8 media accumulators.
malign-labels
Target Report Mask(ALIGN_LABELS)
Enable label alignment optimizations
Enable label alignment optimizations.
malloc-cc
Target Report RejectNegative Mask(ALLOC_CC)
Dynamically allocate cc registers
Dynamically allocate cc registers.
; We used to default the branch cost to 2, but it was changed it to 1 to avoid
; generating SCC instructions and or/and-ing them together, and then doing the
; branch on the result, which collectively generate much worse code.
mbranch-cost=
Target RejectNegative Joined UInteger Var(frv_branch_cost_int) Init(1)
Set the cost of branches
Set the cost of branches.
mcond-exec
Target Report Mask(COND_EXEC)
Enable conditional execution other than moves/scc
Enable conditional execution other than moves/scc.
mcond-exec-insns=
Target RejectNegative Joined UInteger Var(frv_condexec_insns) Init(8)
Change the maximum length of conditionally-executed sequences
Change the maximum length of conditionally-executed sequences.
mcond-exec-temps=
Target RejectNegative Joined UInteger Var(frv_condexec_temps) Init(4)
Change the number of temporary registers that are available to conditionally-executed sequences
Change the number of temporary registers that are available to conditionally-executed sequences.
mcond-move
Target Report Mask(COND_MOVE)
Enable conditional moves
Enable conditional moves.
mcpu=
Target RejectNegative Joined Enum(frv_cpu) Var(frv_cpu_type)
Set the target CPU type
Set the target CPU type.
Enum
Name(frv_cpu) Type(frv_cpu_t)
......@@ -119,119 +119,119 @@ Target Undocumented Var(TARGET_DEBUG_STACK)
mdouble
Target Report Mask(DOUBLE)
Use fp double instructions
Use fp double instructions.
mdword
Target Report Mask(DWORD)
Change the ABI to allow double word insns
Change the ABI to allow double word insns.
mfdpic
Target Report Mask(FDPIC)
Enable Function Descriptor PIC mode
Enable Function Descriptor PIC mode.
mfixed-cc
Target Report RejectNegative InverseMask(ALLOC_CC, FIXED_CC)
Just use icc0/fcc0
Just use icc0/fcc0.
mfpr-32
Target Report RejectNegative Mask(FPR_32)
Only use 32 FPRs
Only use 32 FPRs.
mfpr-64
Target Report RejectNegative InverseMask(FPR_32, FPR_64)
Use 64 FPRs
Use 64 FPRs.
mgpr-32
Target Report RejectNegative Mask(GPR_32)
Only use 32 GPRs
Only use 32 GPRs.
mgpr-64
Target Report RejectNegative InverseMask(GPR_32, GPR_64)
Use 64 GPRs
Use 64 GPRs.
mgprel-ro
Target Report Mask(GPREL_RO)
Enable use of GPREL for read-only data in FDPIC
Enable use of GPREL for read-only data in FDPIC.
mhard-float
Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
Use hardware floating point
Use hardware floating point.
minline-plt
Target Report Mask(INLINE_PLT)
Enable inlining of PLT in function calls
Enable inlining of PLT in function calls.
mlibrary-pic
Target Report Mask(LIBPIC)
Enable PIC support for building libraries
Enable PIC support for building libraries.
mlinked-fp
Target Report Mask(LINKED_FP)
Follow the EABI linkage requirements
Follow the EABI linkage requirements.
mlong-calls
Target Report Mask(LONG_CALLS)
Disallow direct calls to global functions
Disallow direct calls to global functions.
mmedia
Target Report Mask(MEDIA)
Use media instructions
Use media instructions.
mmuladd
Target Report Mask(MULADD)
Use multiply add/subtract instructions
Use multiply add/subtract instructions.
mmulti-cond-exec
Target Report Mask(MULTI_CE)
Enable optimizing &&/|| in conditional execution
Enable optimizing &&/|| in conditional execution.
mnested-cond-exec
Target Report Mask(NESTED_CE)
Enable nested conditional execution optimizations
Enable nested conditional execution optimizations.
; Not used by the compiler proper.
mno-eflags
Target RejectNegative
Do not mark ABI switches in e_flags
Do not mark ABI switches in e_flags.
moptimize-membar
Target Report Mask(OPTIMIZE_MEMBAR)
Remove redundant membars
Remove redundant membars.
mpack
Target Report Mask(PACK)
Pack VLIW instructions
Pack VLIW instructions.
mscc
Target Report Mask(SCC)
Enable setting GPRs to the result of comparisons
Enable setting GPRs to the result of comparisons.
msched-lookahead=
Target RejectNegative Joined UInteger Var(frv_sched_lookahead) Init(4)
Change the amount of scheduler lookahead
Change the amount of scheduler lookahead.
msoft-float
Target Report RejectNegative Mask(SOFT_FLOAT)
Use software floating point
Use software floating point.
mTLS
Target Report RejectNegative Mask(BIG_TLS)
Assume a large TLS segment
Assume a large TLS segment.
mtls
Target Report RejectNegative InverseMask(BIG_TLS)
Do not assume a large TLS segment
Do not assume a large TLS segment.
; Not used by the compiler proper.
mtomcat-stats
Target
Cause gas to print tomcat statistics
Cause gas to print tomcat statistics.
; Not used by the compiler proper.
multilib-library-pic
Target RejectNegative
Link with the library-pic libraries
Link with the library-pic libraries.
mvliw-branch
Target Report Mask(VLIW_BRANCH)
Allow branches to be packed with other instructions
Allow branches to be packed with other instructions.
gcc/config/ft32/ft32.opt
......@@ -20,8 +20,8 @@
msim
Target Report Mask(SIM)
target the software simulator
target the software simulator.
mlra
Target Report Var(ft32_lra_flag) Init(0) Save
Use LRA instead of reload
Use LRA instead of reload.
gcc/config/g.opt
......@@ -24,6 +24,6 @@
G
Target Joined Separate UInteger Var(g_switch_value)
-G<number> Put global and static data smaller than <number> bytes into a special section (on some targets)
-G<number> Put global and static data smaller than <number> bytes into a special section (on some targets).
; This comment is to ensure we retain the blank line above.
gcc/config/h8300/h8300.opt
......@@ -20,52 +20,52 @@
ms
Target Mask(H8300S_1)
Generate H8S code
Generate H8S code.
msx
Target Mask(H8300SX)
Generate H8SX code
Generate H8SX code.
ms2600
Target Mask(MAC)
Generate H8S/2600 code
Generate H8S/2600 code.
mint32
Target RejectNegative Mask(INT32)
Make integers 32 bits wide
Make integers 32 bits wide.
maddresses
Target Undocumented RejectNegative Mask(ADDRESSES)
mquickcall
Target Mask(QUICKCALL)
Use registers for argument passing
Use registers for argument passing.
mslowbyte
Target RejectNegative Mask(SLOWBYTE)
Consider access to byte sized memory slow
Consider access to byte sized memory slow.
mrelax
Target RejectNegative Mask(RELAX)
Enable linker relaxing
Enable linker relaxing.
mh
Target Mask(H8300H)
Generate H8/300H code
Generate H8/300H code.
mn
Target Mask(NORMAL_MODE)
Enable the normal mode
Enable the normal mode.
malign-300
Target RejectNegative Mask(ALIGN_300)
Use H8/300 alignment rules
Use H8/300 alignment rules.
mexr
Target Mask(EXR)
Push extended registers on stack in monitor functions
Push extended registers on stack in monitor functions.
mno-exr
Target Mask(NEXR)
Do not push extended registers on stack in monitor functions
Do not push extended registers on stack in monitor functions.
gcc/config/i386/cygming.opt
......@@ -20,35 +20,35 @@
mconsole
Target RejectNegative
Create console application
Create console application.
mdll
Target RejectNegative
Generate code for a DLL
Generate code for a DLL.
mnop-fun-dllimport
Target Report Var(TARGET_NOP_FUN_DLLIMPORT)
Ignore dllimport for functions
Ignore dllimport for functions.
mthreads
Target RejectNegative
Use Mingw-specific thread support
Use Mingw-specific thread support.
mwin32
Target
Set Windows defines
Set Windows defines.
mwindows
Target
Create GUI application
Create GUI application.
mpe-aligned-commons
Target Var(use_pe_aligned_common) Init(HAVE_GAS_ALIGNED_COMM)
Use the GNU extension to the PE format for aligned common data
Use the GNU extension to the PE format for aligned common data.
muse-libstdc-wrappers
Target Condition({defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS)})
Compile code that relies on Cygwin DLL wrappers to support C++ operator new/delete replacement
Compile code that relies on Cygwin DLL wrappers to support C++ operator new/delete replacement.
posix
Driver
......
gcc/config/i386/djgpp.opt
......@@ -22,7 +22,7 @@
;; weak symbols, and .gnu.linkonce support.
mbnu210
Target Var(TARGET_BNU210)
Ignored (obsolete)
Ignored (obsolete).
posix
Driver
gcc/config/i386/interix.opt
......@@ -29,6 +29,6 @@ Driver
mpe-aligned-commons
Target Var(use_pe_aligned_common) Init(HAVE_GAS_ALIGNED_COMM)
Use the GNU extension to the PE format for aligned common data
Use the GNU extension to the PE format for aligned common data.
; This comment is to ensure we retain the blank line above.
gcc/config/i386/mingw-w64.opt
......@@ -20,6 +20,6 @@
municode
Target
Use unicode startup and define UNICODE macro
Use unicode startup and define UNICODE macro.
; Retain blank line above.
gcc/config/i386/mingw.opt
......@@ -26,7 +26,7 @@ Driver
Wpedantic-ms-format
C ObjC C++ ObjC++ Var(warn_pedantic_ms_format) Init(1) Warning
Warn about none ISO msvcrt scanf/printf width extensions
Warn about none ISO msvcrt scanf/printf width extensions.
fset-stack-executable
Common Report Var(flag_setstackexecutable) Init(1) Optimization
......
gcc/config/ia64/ia64.opt
......@@ -25,101 +25,101 @@ enum processor_type ia64_tune = PROCESSOR_ITANIUM2
mbig-endian
Target Report RejectNegative Mask(BIG_ENDIAN)
Generate big endian code
Generate big endian code.
mlittle-endian
Target Report RejectNegative InverseMask(BIG_ENDIAN)
Generate little endian code
Generate little endian code.
mgnu-as
Target Report Mask(GNU_AS)
Generate code for GNU as
Generate code for GNU as.
mgnu-ld
Target Report Mask(GNU_LD)
Generate code for GNU ld
Generate code for GNU ld.
mvolatile-asm-stop
Target Report Mask(VOL_ASM_STOP)
Emit stop bits before and after volatile extended asms
Emit stop bits before and after volatile extended asms.
mregister-names
Target Mask(REG_NAMES)
Use in/loc/out register names
Use in/loc/out register names.
mno-sdata
Target Report RejectNegative Mask(NO_SDATA)
msdata
Target Report RejectNegative InverseMask(NO_SDATA)
Enable use of sdata/scommon/sbss
Enable use of sdata/scommon/sbss.
mno-pic
Target Report RejectNegative Mask(NO_PIC)
Generate code without GP reg
Generate code without GP reg.
mconstant-gp
Target Report RejectNegative Mask(CONST_GP)
gp is constant (but save/restore gp on indirect calls)
gp is constant (but save/restore gp on indirect calls).
mauto-pic
Target Report RejectNegative Mask(AUTO_PIC)
Generate self-relocatable code
Generate self-relocatable code.
minline-float-divide-min-latency
Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 1)
Generate inline floating point division, optimize for latency
Generate inline floating point division, optimize for latency.
minline-float-divide-max-throughput
Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 2) Init(2)
Generate inline floating point division, optimize for throughput
Generate inline floating point division, optimize for throughput.
mno-inline-float-divide
Target Report RejectNegative Var(TARGET_INLINE_FLOAT_DIV, 0)
minline-int-divide-min-latency
Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 1)
Generate inline integer division, optimize for latency
Generate inline integer division, optimize for latency.
minline-int-divide-max-throughput
Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 2)
Generate inline integer division, optimize for throughput
Generate inline integer division, optimize for throughput.
mno-inline-int-divide
Target Report RejectNegative Var(TARGET_INLINE_INT_DIV, 0)
Do not inline integer division
Do not inline integer division.
minline-sqrt-min-latency
Target Report RejectNegative Var(TARGET_INLINE_SQRT, 1)
Generate inline square root, optimize for latency
Generate inline square root, optimize for latency.
minline-sqrt-max-throughput
Target Report RejectNegative Var(TARGET_INLINE_SQRT, 2)
Generate inline square root, optimize for throughput
Generate inline square root, optimize for throughput.
mno-inline-sqrt
Target Report RejectNegative Var(TARGET_INLINE_SQRT, 0)
Do not inline square root
Do not inline square root.
mdwarf2-asm
Target Report Mask(DWARF2_ASM)
Enable Dwarf 2 line debug info via GNU as
Enable Dwarf 2 line debug info via GNU as.
mearly-stop-bits
Target Report Mask(EARLY_STOP_BITS)
Enable earlier placing stop bits for better scheduling
Enable earlier placing stop bits for better scheduling.
mfixed-range=
Target RejectNegative Joined Var(ia64_deferred_options) Defer
Specify range of registers to make fixed
Specify range of registers to make fixed.
mtls-size=
Target RejectNegative Joined UInteger Var(ia64_tls_size) Init(22)
Specify bit size of immediate TLS offsets
Specify bit size of immediate TLS offsets.
mtune=
Target RejectNegative Joined Enum(ia64_tune) Var(ia64_tune)
Schedule code for given CPU
Schedule code for given CPU.
Enum
Name(ia64_tune) Type(enum processor_type)
......@@ -133,35 +133,35 @@ Enum(ia64_tune) String(mckinley) Value(PROCESSOR_ITANIUM2)
msched-br-data-spec
Target Report Var(mflag_sched_br_data_spec) Init(0)
Use data speculation before reload
Use data speculation before reload.
msched-ar-data-spec
Target Report Var(mflag_sched_ar_data_spec) Init(1)
Use data speculation after reload
Use data speculation after reload.
msched-control-spec
Target Report Var(mflag_sched_control_spec) Init(2)
Use control speculation
Use control speculation.
msched-br-in-data-spec
Target Report Var(mflag_sched_br_in_data_spec) Init(1)
Use in block data speculation before reload
Use in block data speculation before reload.
msched-ar-in-data-spec
Target Report Var(mflag_sched_ar_in_data_spec) Init(1)
Use in block data speculation after reload
Use in block data speculation after reload.
msched-in-control-spec
Target Report Var(mflag_sched_in_control_spec) Init(1)
Use in block control speculation
Use in block control speculation.
msched-spec-ldc
Target Report Var(mflag_sched_spec_ldc) Init(1)
Use simple data speculation check
Use simple data speculation check.
msched-spec-control-ldc
Target Report Var(mflag_sched_spec_control_ldc) Init(0)
Use simple data speculation check for control speculation
Use simple data speculation check for control speculation.
msched-prefer-non-data-spec-insns
Target Ignore Warn(switch %qs is no longer supported)
......@@ -171,26 +171,26 @@ Target Ignore Warn(switch %qs is no longer supported)
msched-count-spec-in-critical-path
Target Report Var(mflag_sched_count_spec_in_critical_path) Init(0)
Count speculative dependencies while calculating priority of instructions
Count speculative dependencies while calculating priority of instructions.
msched-stop-bits-after-every-cycle
Target Report Var(mflag_sched_stop_bits_after_every_cycle) Init(1)
Place a stop bit after every cycle when scheduling
Place a stop bit after every cycle when scheduling.
msched-fp-mem-deps-zero-cost
Target Report Var(mflag_sched_fp_mem_deps_zero_cost) Init(0)
Assume that floating-point stores and loads are not likely to cause conflict when placed into one instruction group
Assume that floating-point stores and loads are not likely to cause conflict when placed into one instruction group.
msched-max-memory-insns=
Target RejectNegative Joined UInteger Var(ia64_max_memory_insns) Init(1)
Soft limit on number of memory insns per instruction group, giving lower priority to subsequent memory insns attempting to schedule in the same insn group. Frequently useful to prevent cache bank conflicts. Default value is 1
Soft limit on number of memory insns per instruction group, giving lower priority to subsequent memory insns attempting to schedule in the same insn group. Frequently useful to prevent cache bank conflicts. Default value is 1.
msched-max-memory-insns-hard-limit
Target Report Var(mflag_sched_mem_insns_hard_limit) Init(0)
Disallow more than 'msched-max-memory-insns' in instruction group. Otherwise, limit is 'soft' (prefer non-memory operations when limit is reached)
Disallow more than 'msched-max-memory-insns' in instruction group. Otherwise, limit is 'soft' (prefer non-memory operations when limit is reached).
msel-sched-dont-check-control-spec
Target Report Var(mflag_sel_sched_dont_check_control_spec) Init(0)
Don't generate checks for control speculation in selective scheduling
Don't generate checks for control speculation in selective scheduling.
; This comment is to ensure we retain the blank line above.
gcc/config/ia64/ilp32.opt
milp32
Target Report RejectNegative Mask(ILP32)
Generate ILP32 code
Generate ILP32 code.
mlp64
Target Report RejectNegative InverseMask(ILP32)
Generate LP64 code
Generate LP64 code.
gcc/config/iq2000/iq2000.opt
......@@ -28,7 +28,7 @@ enum processor_type iq2000_tune = PROCESSOR_DEFAULT
; This option has no effect at the moment.
march=
Target RejectNegative Joined Enum(iq2000_arch)
Specify CPU for code generation purposes
Specify CPU for code generation purposes.
Enum
Name(iq2000_arch) Type(int)
......@@ -44,7 +44,7 @@ Enum(iq2000_arch) String(iq2000) Value(0)
mcpu=
Target RejectNegative Joined Enum(iq2000_tune) Var(iq2000_tune)
Specify CPU for scheduling purposes
Specify CPU for scheduling purposes.
Enum
Name(iq2000_tune) Type(enum processor_type)
......@@ -58,17 +58,17 @@ Enum(iq2000_tune) String(iq2000) Value(PROCESSOR_IQ2000)
membedded-data
Target Mask(EMBEDDED_DATA)
Use ROM instead of RAM
Use ROM instead of RAM.
mgpopt
Target Mask(GPOPT)
Use GP relative sdata/sbss sections
Use GP relative sdata/sbss sections.
; Not used by the compiler proper.
mno-crt0
Target RejectNegative
No default crt0.o
No default crt0.o.
muninit-const-in-rodata
Target Mask(UNINIT_CONST_IN_RODATA)
Put uninitialized constants in ROM (needs -membedded-data)
Put uninitialized constants in ROM (needs -membedded-data).
gcc/config/linux.opt
......@@ -21,16 +21,16 @@
mbionic
Target Report RejectNegative Var(linux_libc,LIBC_BIONIC) Init(DEFAULT_LIBC) Negative(mglibc)
Use Bionic C library
Use Bionic C library.
mglibc
Target Report RejectNegative Var(linux_libc,LIBC_GLIBC) Negative(muclibc)
Use GNU C library
Use GNU C library.
muclibc
Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mmusl)
Use uClibc C library
Use uClibc C library.
mmusl
Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mbionic)
Use musl C library
Use musl C library.
gcc/config/lm32/lm32.opt
......@@ -21,20 +21,20 @@
mmultiply-enabled
Target Report Mask(MULTIPLY_ENABLED)
Enable multiply instructions
Enable multiply instructions.
mdivide-enabled
Target Report Mask(DIVIDE_ENABLED)
Enable divide and modulus instructions
Enable divide and modulus instructions.
mbarrel-shift-enabled
Target Report Mask(BARREL_SHIFT_ENABLED)
Enable barrel shift instructions
Enable barrel shift instructions.
msign-extend-enabled
Target Report Mask(SIGN_EXTEND_ENABLED)
Enable sign extend instructions
Enable sign extend instructions.
muser-enabled
Target Report Mask(USER_ENABLED)
Enable user-defined instructions
Enable user-defined instructions.
gcc/config/lynx.opt
......@@ -20,12 +20,12 @@
mlegacy-threads
Target RejectNegative
Support legacy multi-threading
Support legacy multi-threading.
mshared
Target RejectNegative
Use shared libraries
Use shared libraries.
mthreads
Target RejectNegative
Support multi-threading
Support multi-threading.
gcc/config/m32c/m32c.opt
......@@ -20,24 +20,24 @@
msim
Target
-msim Use simulator runtime
-msim Use simulator runtime.
mcpu=r8c
Target RejectNegative Var(target_cpu,'r') Init('r')
-mcpu=r8c Compile code for R8C variants
-mcpu=r8c Compile code for R8C variants.
mcpu=m16c
Target RejectNegative Var(target_cpu,'6')
-mcpu=m16c Compile code for M16C variants
-mcpu=m16c Compile code for M16C variants.
mcpu=m32cm
Target RejectNegative Var(target_cpu,'m')
-mcpu=m32cm Compile code for M32CM variants
-mcpu=m32cm Compile code for M32CM variants.
mcpu=m32c
Target RejectNegative Var(target_cpu,'3')
-mcpu=m32c Compile code for M32C variants
-mcpu=m32c Compile code for M32C variants.
memregs=
Target RejectNegative Joined UInteger Var(target_memregs) Init(16)
-memregs= Number of memreg bytes (default: 16, range: 0..16)
-memregs= Number of memreg bytes (default: 16, range: 0..16).
gcc/config/m32r/m32r.opt
......@@ -31,51 +31,51 @@ enum m32r_sdata m32r_sdata_selected = M32R_SDATA_DEFAULT
m32rx
Target Report RejectNegative Mask(M32RX)
Compile for the m32rx
Compile for the m32rx.
m32r2
Target Report RejectNegative Mask(M32R2)
Compile for the m32r2
Compile for the m32r2.
m32r
Target RejectNegative
Compile for the m32r
Compile for the m32r.
malign-loops
Target Report Mask(ALIGN_LOOPS)
Align all loops to 32 byte boundary
Align all loops to 32 byte boundary.
mbranch-cost=1
Target Report RejectNegative Mask(BRANCH_COST)
Prefer branches over conditional execution
Prefer branches over conditional execution.
mbranch-cost=2
Target Report RejectNegative InverseMask(BRANCH_COST)
Give branches their default cost
Give branches their default cost.
mdebug
Target Mask(DEBUG)
Display compile time statistics
Display compile time statistics.
mflush-func=
Target RejectNegative Joined Var(m32r_cache_flush_func) Init(CACHE_FLUSH_FUNC)
Specify cache flush function
Specify cache flush function.
mflush-trap=
Target RejectNegative Joined UInteger Var(m32r_cache_flush_trap) Init(CACHE_FLUSH_TRAP)
Specify cache flush trap number
Specify cache flush trap number.
missue-rate=1
Target Report RejectNegative Mask(LOW_ISSUE_RATE)
Only issue one instruction per cycle
Only issue one instruction per cycle.
missue-rate=2
Target Report RejectNegative InverseMask(LOW_ISSUE_RATE)
Allow two instructions to be issued per cycle
Allow two instructions to be issued per cycle.
mmodel=
Target RejectNegative Joined Enum(m32r_model) Var(m32r_model_selected)
Code size: small, medium or large
Code size: small, medium or large.
Enum
Name(m32r_model) Type(enum m32r_model)
......@@ -91,18 +91,18 @@ Enum(m32r_model) String(large) Value(M32R_MODEL_LARGE)
mno-flush-func
Target RejectNegative
Don't call any cache flush functions
Don't call any cache flush functions.
mno-flush-trap
Target RejectNegative Var(m32r_cache_flush_trap, -1)
Don't call any cache flush trap
Don't call any cache flush trap.
; mrelax
; Target Mask(RELAX)
msdata=
Target RejectNegative Joined Enum(m32r_sdata) Var(m32r_sdata_selected)
Small data area: none, sdata, use
Small data area: none, sdata, use.
Enum
Name(m32r_sdata) Type(enum m32r_sdata)
......
gcc/config/m68k/ieee.opt
......@@ -21,4 +21,4 @@
; This option is ignored by gcc
mieee-fp
Target RejectNegative
Use IEEE math for fp comparisons
Use IEEE math for fp comparisons.
gcc/config/m68k/m68k.opt
......@@ -27,169 +27,169 @@ const char *m68k_library_id_string = "_current_shared_library_a5_offset_"
m5200
Target RejectNegative Alias(mcpu=, 5206)
Generate code for a 520X
Generate code for a 520X.
m5206e
Target RejectNegative Alias(mcpu=, 5206e)
Generate code for a 5206e
Generate code for a 5206e.
m528x
Target RejectNegative Alias(mcpu=, 528x)
Generate code for a 528x
Generate code for a 528x.
m5307
Target RejectNegative Alias(mcpu=, 5307)
Generate code for a 5307
Generate code for a 5307.
m5407
Target RejectNegative Alias(mcpu=, 5407)
Generate code for a 5407
Generate code for a 5407.
m68000
Target RejectNegative Alias(mcpu=, 68000)
Generate code for a 68000
Generate code for a 68000.
m68010
Target RejectNegative Alias(mcpu=, 68010)
Generate code for a 68010
Generate code for a 68010.
m68020
Target RejectNegative Alias(mcpu=, 68020)
Generate code for a 68020
Generate code for a 68020.
m68020-40
Target RejectNegative
Generate code for a 68040, without any new instructions
Generate code for a 68040, without any new instructions.
m68020-60
Target RejectNegative
Generate code for a 68060, without any new instructions
Generate code for a 68060, without any new instructions.
m68030
Target RejectNegative Alias(mcpu=, 68030)
Generate code for a 68030
Generate code for a 68030.
m68040
Target RejectNegative Alias(mcpu=, 68040)
Generate code for a 68040
Generate code for a 68040.
m68060
Target RejectNegative Alias(mcpu=, 68060)
Generate code for a 68060
Generate code for a 68060.
m68302
Target RejectNegative Alias(mcpu=, 68302)
Generate code for a 68302
Generate code for a 68302.
m68332
Target RejectNegative Alias(mcpu=, 68332)
Generate code for a 68332
Generate code for a 68332.
; Has no effect on gcc
m68851
Target
Generate code for a 68851
Generate code for a 68851.
m68881
Target RejectNegative Mask(HARD_FLOAT)
Generate code that uses 68881 floating-point instructions
Generate code that uses 68881 floating-point instructions.
malign-int
Target Report Mask(ALIGN_INT)
Align variables on a 32-bit boundary
Align variables on a 32-bit boundary.
march=
Target RejectNegative Joined Enum(m68k_isa) Var(m68k_arch_option)
Specify the name of the target architecture
Specify the name of the target architecture.
mbitfield
Target Report Mask(BITFIELD)
Use the bit-field instructions
Use the bit-field instructions.
mc68000
Target RejectNegative Alias(mcpu=, 68000)
Generate code for a 68000
Generate code for a 68000.
mc68020
Target RejectNegative Alias(mcpu=, 68020)
Generate code for a 68020
Generate code for a 68020.
mcfv4e
Target RejectNegative Alias(mcpu=, 547x)
Generate code for a ColdFire v4e
Generate code for a ColdFire v4e.
mcpu=
Target RejectNegative Joined Enum(target_device) Var(m68k_cpu_option) Init(unk_device)
Specify the target CPU
Specify the target CPU.
mcpu32
Target RejectNegative Alias(mcpu=, 68332)
Generate code for a cpu32
Generate code for a cpu32.
mdiv
Target Report Mask(CF_HWDIV)
Use hardware division instructions on ColdFire
Use hardware division instructions on ColdFire.
mfidoa
Target RejectNegative
Generate code for a Fido A
Generate code for a Fido A.
mhard-float
Target RejectNegative Mask(HARD_FLOAT)
Generate code which uses hardware floating point instructions
Generate code which uses hardware floating point instructions.
mid-shared-library
Target Report Mask(ID_SHARED_LIBRARY)
Enable ID based shared library
Enable ID based shared library.
mnobitfield
Target RejectNegative InverseMask(BITFIELD)
Do not use the bit-field instructions
Do not use the bit-field instructions.
mnortd
Target RejectNegative InverseMask(RTD)
Use normal calling convention
Use normal calling convention.
mnoshort
Target RejectNegative InverseMask(SHORT)
Consider type 'int' to be 32 bits wide
Consider type 'int' to be 32 bits wide.
mpcrel
Target Report Mask(PCREL)
Generate pc-relative code
Generate pc-relative code.
mrtd
Target Report Mask(RTD)
Use different calling convention using 'rtd'
Use different calling convention using 'rtd'.
msep-data
Target Report Mask(SEP_DATA)
Enable separate data segment
Enable separate data segment.
mshared-library-id=
Target RejectNegative Joined UInteger
ID of shared library to build
ID of shared library to build.
mshort
Target Report Mask(SHORT)
Consider type 'int' to be 16 bits wide
Consider type 'int' to be 16 bits wide.
msoft-float
Target RejectNegative InverseMask(HARD_FLOAT)
Generate code with library calls for floating point
Generate code with library calls for floating point.
mstrict-align
Target Report Mask(STRICT_ALIGNMENT)
Do not use unaligned memory references
Do not use unaligned memory references.
mtune=
Target RejectNegative Joined Enum(uarch_type) Var(m68k_tune_option) Init(unk_arch)
Tune for the specified target CPU or architecture
Tune for the specified target CPU or architecture.
mxgot
Target Report Mask(XGOT)
Support more than 8192 GOT entries on ColdFire
Support more than 8192 GOT entries on ColdFire.
mxtls
Target Report Mask(XTLS)
Support TLS segment larger than 64K
Support TLS segment larger than 64K.
gcc/config/mcore/mcore.opt
......@@ -28,48 +28,48 @@ Generate code for the M*Core M340
m4byte-functions
Target Report Mask(OVERALIGN_FUNC)
Force functions to be aligned to a 4 byte boundary
Force functions to be aligned to a 4 byte boundary.
mbig-endian
Target RejectNegative Report InverseMask(LITTLE_END)
Generate big-endian code
Generate big-endian code.
mcallgraph-data
Target Report Mask(CG_DATA)
Emit call graph information
Emit call graph information.
mdiv
Target Report Mask(DIV)
Use the divide instruction
Use the divide instruction.
mhardlit
Target Report Mask(HARDLIT)
Inline constants if it can be done in 2 insns or less
Inline constants if it can be done in 2 insns or less.
mlittle-endian
Target RejectNegative Report Mask(LITTLE_END)
Generate little-endian code
Generate little-endian code.
; Not used by the compiler proper.
mno-lsim
Target RejectNegative
Assume that run-time support has been provided, so omit -lsim from the linker command line
Assume that run-time support has been provided, so omit -lsim from the linker command line.
mrelax-immediates
Target Report Mask(RELAX_IMM)
Use arbitrary sized immediates in bit operations
Use arbitrary sized immediates in bit operations.
mslow-bytes
Target Report Mask(SLOW_BYTES)
Prefer word accesses over byte accesses
Prefer word accesses over byte accesses.
; Maximum size we are allowed to grow the stack in a single operation.
; If we want more, we must do it in increments of at most this size.
; If this value is 0, we don't check at all.
mstack-increment=
Target RejectNegative Joined UInteger Var(mcore_stack_increment) Init(STACK_UNITS_MAXSTEP)
Set the maximum amount for a single stack increment operation
Set the maximum amount for a single stack increment operation.
mwide-bitfields
Target Report Mask(W_FIELD)
Always treat bitfields as int-sized
Always treat bitfields as int-sized.
gcc/config/mep/mep.opt
......@@ -20,139 +20,139 @@ Mask(IVC2)
mabsdiff
Target Mask(OPT_ABSDIFF)
Enable absolute difference instructions
Enable absolute difference instructions.
mall-opts
Target RejectNegative
Enable all optional instructions
Enable all optional instructions.
maverage
Target Mask(OPT_AVERAGE)
Enable average instructions
Enable average instructions.
mbased=
Target Joined Var(mep_based_cutoff) RejectNegative UInteger Init(0)
Variables this size and smaller go in the based section. (default 0)
Variables this size and smaller go in the based section. (default 0).
mbitops
Target Mask(OPT_BITOPS)
Enable bit manipulation instructions
Enable bit manipulation instructions.
mc=
Target Joined Var(mep_const_section) RejectNegative
Section to put all const variables in (tiny, near, far) (no default)
Section to put all const variables in (tiny, near, far) (no default).
mclip
Target Mask(OPT_CLIP)
Enable clip instructions
Enable clip instructions.
mconfig=
Target Joined Var(mep_config_string) RejectNegative
Configuration name
Configuration name.
mcop
Target Mask(COP)
Enable MeP Coprocessor
Enable MeP Coprocessor.
mcop32
Target Mask(COP) RejectNegative
Enable MeP Coprocessor with 32-bit registers
Enable MeP Coprocessor with 32-bit registers.
mcop64
Target Mask(64BIT_CR_REGS) RejectNegative
Enable MeP Coprocessor with 64-bit registers
Enable MeP Coprocessor with 64-bit registers.
mivc2
Target RejectNegative Var(mep_deferred_options) Defer
Enable IVC2 scheduling
Enable IVC2 scheduling.
mdc
Target Mask(DC) RejectNegative
Const variables default to the near section
Const variables default to the near section.
mdebug
Target Disabled Undocumented
mdiv
Target Mask(OPT_DIV)
Enable 32-bit divide instructions
Enable 32-bit divide instructions.
meb
Target InverseMask(LITTLE_ENDIAN) RejectNegative
Use big-endian byte order
Use big-endian byte order.
mel
Target Mask(LITTLE_ENDIAN) RejectNegative
Use little-endian byte order
Use little-endian byte order.
mfar
Driver RejectNegative
mio-volatile
Target Mask(IO_VOLATILE)
__io vars are volatile by default
__io vars are volatile by default.
ml
Target Mask(L) RejectNegative
All variables default to the far section
All variables default to the far section.
mleadz
Target Mask(OPT_LEADZ)
Enable leading zero instructions
Enable leading zero instructions.
mlibrary
Target Mask(LIBRARY) RejectNegative Undocumented
mm
Target Mask(M) RejectNegative
All variables default to the near section
All variables default to the near section.
mminmax
Target Mask(OPT_MINMAX)
Enable min/max instructions
Enable min/max instructions.
mmult
Target Mask(OPT_MULT)
Enable 32-bit multiply instructions
Enable 32-bit multiply instructions.
mno-opts
Target RejectNegative
Disable all optional instructions
Disable all optional instructions.
mrand-tpgp
Target Mask(RAND_TPGP) RejectNegative Undocumented
mrepeat
Target Mask(OPT_REPEAT)
Allow gcc to use the repeat/erepeat instructions
Allow gcc to use the repeat/erepeat instructions.
ms
Target Mask(S) RejectNegative
All variables default to the tiny section
All variables default to the tiny section.
msatur
Target Mask(OPT_SATUR)
Enable saturation instructions
Enable saturation instructions.
msdram
Target
Use sdram version of runtime
Use sdram version of runtime.
msim
Target RejectNegative
Use simulator runtime
Use simulator runtime.
msimnovec
Target RejectNegative
Use simulator runtime without vectors
Use simulator runtime without vectors.
mtf
Target Mask(TF) RejectNegative
All functions default to the far section
All functions default to the far section.
mtiny=
Target Joined Var(mep_tiny_cutoff) RejectNegative UInteger Init(4)
Variables this size and smaller go in the tiny section. (default 4)
Variables this size and smaller go in the tiny section. (default 4).
mvl32
Target InverseMask(OPT_VL64) Undocumented RejectNegative
......
gcc/config/microblaze/microblaze.opt
......@@ -37,91 +37,91 @@ Driver
msoft-float
Target Report RejectNegative Mask(SOFT_FLOAT)
Use software emulation for floating point (default)
Use software emulation for floating point (default).
mhard-float
Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
Use hardware floating point instructions
Use hardware floating point instructions.
msmall-divides
Target Mask(SMALL_DIVIDES)
Use table lookup optimization for small signed integer divisions
Use table lookup optimization for small signed integer divisions.
mcpu=
Target RejectNegative Joined Var(microblaze_select_cpu)
-mcpu=PROCESSOR Use features of and schedule code for given CPU
-mcpu=PROCESSOR Use features of and schedule code for given CPU.
mmemcpy
Target Mask(MEMCPY)
Don't optimize block moves, use memcpy
Don't optimize block moves, use memcpy.
mbig-endian
Target Report RejectNegative InverseMask(LITTLE_ENDIAN)
Assume target CPU is configured as big endian
Assume target CPU is configured as big endian.
mlittle-endian
Target Report RejectNegative Mask(LITTLE_ENDIAN)
Assume target CPU is configured as little endian
Assume target CPU is configured as little endian.
mxl-soft-mul
Target Mask(SOFT_MUL)
Use the soft multiply emulation (default)
Use the soft multiply emulation (default).
mxl-reorder
Target Var(TARGET_REORDER) Init(2)
Use reorder instructions (swap and byte reversed load/store) (default)
Use reorder instructions (swap and byte reversed load/store) (default).
mxl-soft-div
Target Mask(SOFT_DIV)
Use the software emulation for divides (default)
Use the software emulation for divides (default).
mxl-barrel-shift
Target Mask(BARREL_SHIFT)
Use the hardware barrel shifter instead of emulation
Use the hardware barrel shifter instead of emulation.
mxl-pattern-compare
Target Mask(PATTERN_COMPARE)
Use pattern compare instructions
Use pattern compare instructions.
mxl-stack-check
Target Mask(STACK_CHECK) Warn(%qs is deprecated; use -fstack-check)
Check for stack overflow at runtime
Check for stack overflow at runtime.
mxl-gp-opt
Target Mask(XLGPOPT)
Use GP relative sdata/sbss sections
Use GP relative sdata/sbss sections.
mno-clearbss
Target RejectNegative Var(flag_zero_initialized_in_bss, 0) Warn(%qs is deprecated; use -fno-zero-initialized-in-bss)
Clear the BSS to zero and place zero initialized in BSS
Clear the BSS to zero and place zero initialized in BSS.
mxl-multiply-high
Target Mask(MULTIPLY_HIGH)
Use multiply high instructions for high part of 32x32 multiply
Use multiply high instructions for high part of 32x32 multiply.
mxl-float-convert
Target Mask(FLOAT_CONVERT)
Use hardware floating point conversion instructions
Use hardware floating point conversion instructions.
mxl-float-sqrt
Target Mask(FLOAT_SQRT)
Use hardware floating point square root instruction
Use hardware floating point square root instruction.
mxl-mode-executable
Target Mask(XL_MODE_EXECUTABLE)
Description for mxl-mode-executable
Description for mxl-mode-executable.
mxl-mode-xmdstub
Target Mask(XL_MODE_XMDSTUB)
Description for mxl-mode-xmdstub
Description for mxl-mode-xmdstub.
mxl-mode-bootstrap
Target Mask(XL_MODE_BOOTSTRAP)
Description for mxl-mode-bootstrap
Description for mxl-mode-bootstrap.
mxl-mode-novectors
Target Mask(XL_MODE_NOVECTORS)
Description for mxl-mode-novectors
Description for mxl-mode-novectors.
mxl-mode-xilkernel
Target
gcc/config/mmix/mmix.opt
......@@ -21,48 +21,48 @@
; FIXME: Get rid of this one.
mlibfuncs
Target Report Mask(LIBFUNC)
For intrinsics library: pass all parameters in registers
For intrinsics library: pass all parameters in registers.
mabi=mmixware
Target Report RejectNegative InverseMask(ABI_GNU)
Use register stack for parameters and return value
Use register stack for parameters and return value.
mabi=gnu
Target Report RejectNegative Mask(ABI_GNU)
Use call-clobbered registers for parameters and return value
Use call-clobbered registers for parameters and return value.
; FIXME: Provide a way to *load* the epsilon register.
mepsilon
Target Report Mask(FCMP_EPSILON)
Use epsilon-respecting floating point compare instructions
Use epsilon-respecting floating point compare instructions.
mzero-extend
Target Report Mask(ZERO_EXTEND)
Use zero-extending memory loads, not sign-extending ones
Use zero-extending memory loads, not sign-extending ones.
mknuthdiv
Target Report Mask(KNUTH_DIVISION)
Generate divide results with reminder having the same sign as the divisor (not the dividend)
Generate divide results with reminder having the same sign as the divisor (not the dividend).
mtoplevel-symbols
Target Report Mask(TOPLEVEL_SYMBOLS)
Prepend global symbols with \":\" (for use with PREFIX)
Prepend global symbols with \":\" (for use with PREFIX).
mno-set-program-start
Target Report RejectNegative
Do not provide a default start-address 0x100 of the program
Do not provide a default start-address 0x100 of the program.
melf
Target Report RejectNegative
Link to emit program in ELF format (rather than mmo)
Link to emit program in ELF format (rather than mmo).
mbranch-predict
Target Report RejectNegative Mask(BRANCH_PREDICT)
Use P-mnemonics for branches statically predicted as taken
Use P-mnemonics for branches statically predicted as taken.
mno-branch-predict
Target Report RejectNegative InverseMask(BRANCH_PREDICT)
Don't use P-mnemonics for branches
Don't use P-mnemonics for branches.
; We use the term "base address" since that's what Knuth uses. The base
; address goes in a global register. When addressing, it's more like
......@@ -76,24 +76,24 @@ Don't use P-mnemonics for branches
; should have compiled with -mno-base-addresses.
mbase-addresses
Target Report RejectNegative Mask(BASE_ADDRESSES)
Use addresses that allocate global registers
Use addresses that allocate global registers.
mno-base-addresses
Target Report RejectNegative InverseMask(BASE_ADDRESSES)
Do not use addresses that allocate global registers
Do not use addresses that allocate global registers.
msingle-exit
Target Report RejectNegative InverseMask(USE_RETURN_INSN)
Generate a single exit point for each function
Generate a single exit point for each function.
mno-single-exit
Target Report RejectNegative Mask(USE_RETURN_INSN)
Do not generate a single exit point for each function
Do not generate a single exit point for each function.
mset-program-start=
Target Report RejectNegative Joined
Set start-address of the program
Set start-address of the program.
mset-data-start=
Target Report RejectNegative Joined
Set start-address of data
Set start-address of data.
gcc/config/mn10300/mn10300.opt
......@@ -27,23 +27,23 @@ enum processor_type mn10300_processor = PROCESSOR_DEFAULT
mam33
Target
Target the AM33 processor
Target the AM33 processor.
mam33-2
Target
Target the AM33/2.0 processor
Target the AM33/2.0 processor.
mam34
Target Report
Target the AM34 processor
Target the AM34 processor.
mtune=
Target RejectNegative Joined Var(mn10300_tune_string)
Tune code for the given processor
Tune code for the given processor.
mmult-bug
Target Report Mask(MULT_BUG)
Work around hardware multiply bug
Work around hardware multiply bug.
; Ignored by the compiler
mno-crt0
......@@ -52,16 +52,16 @@ Target RejectNegative
; Ignored by the compiler
mrelax
Target RejectNegative
Enable linker relaxations
Enable linker relaxations.
mreturn-pointer-on-d0
Target Report Mask(PTR_A0D0)
Return pointers in both a0 and d0
Return pointers in both a0 and d0.
mliw
Target Report Mask(ALLOW_LIW)
Allow gcc to generate LIW instructions
Allow gcc to generate LIW instructions.
msetlb
Target Report Mask(ALLOW_SETLB)
Allow gcc to generate the SETLB and Lcc instructions
Allow gcc to generate the SETLB and Lcc instructions.
gcc/config/moxie/moxie.opt
......@@ -20,15 +20,15 @@
meb
Target RejectNegative Report InverseMask(LITTLE_ENDIAN)
Generate big-endian code
Generate big-endian code.
mel
Target RejectNegative Report Mask(LITTLE_ENDIAN)
Generate little-endian code
Generate little-endian code.
mmul.x
Target Report Mask(HAS_MULX)
Enable MUL.X and UMUL.X instructions
Enable MUL.X and UMUL.X instructions.
; Ignored by the compiler
mno-crt0
......
gcc/config/msp430/msp430.opt
msim
Target
Use simulator runtime
Use simulator runtime.
masm-hex
Target Mask(ASM_HEX)
Force assembly output to always use hex constants
Force assembly output to always use hex constants.
mmcu=
Target Report ToLower Joined RejectNegative Var(target_mcu)
......@@ -12,19 +12,19 @@ Specify the MCU to build for.
mcpu=
Target Report Joined RejectNegative Var(target_cpu)
Specify the ISA to build for: msp430, msp430x, msp430xv2
Specify the ISA to build for: msp430, msp430x, msp430xv2.
mlarge
Target Report Mask(LARGE) RejectNegative
Select large model - 20-bit addresses/pointers
Select large model - 20-bit addresses/pointers.
msmall
Target Report InverseMask(LARGE) RejectNegative
Select small model - 16-bit addresses/pointers (default)
Select small model - 16-bit addresses/pointers (default).
mrelax
Target Report
Optimize opcode sizes at link time
Optimize opcode sizes at link time.
mOs
Target Undocumented Mask(OPT_SPACE)
......@@ -38,7 +38,7 @@ config/msp430/msp430-opts.h
mhwmult=
Target Joined RejectNegative Report ToLower Var(msp430_hwmult_type) Enum(msp430_hwmult_types) Init(AUTO)
Specify the type of hardware multiply to support
Specify the type of hardware multiply to support.
Enum
Name(msp430_hwmult_types) Type(enum msp430_hwmult_types)
......@@ -60,11 +60,11 @@ Enum(msp430_hwmult_types) String(f5series) Value(F5SERIES)
mcode-region=
Target Joined RejectNegative Report ToLower Var(msp430_code_region) Enum(msp430_regions) Init(ANY)
Specify whether functions should be placed into low or high memory
Specify whether functions should be placed into low or high memory.
mdata-region=
Target Joined RejectNegative Report ToLower Var(msp430_data_region) Enum(msp430_regions) Init(ANY)
Specify whether variables should be placed into low or high memory
Specify whether variables should be placed into low or high memory.
Enum
Name(msp430_regions) Type(enum msp430_regions)
......
gcc/config/nios2/elf.opt
......@@ -23,16 +23,16 @@
msmallc
Target Report RejectNegative
Link with a limited version of the C library
Link with a limited version of the C library.
msys-lib=
Target RejectNegative Joined Var(nios2_sys_lib_string)
Name of system library to link against
Name of system library to link against.
msys-crt0=
Target RejectNegative Joined Var(nios2_sys_crt0_string)
Name of the startfile
Name of the startfile.
mhal
Target Report RejectNegative
Link with HAL BSP
Link with HAL BSP.
gcc/config/nvptx/nvptx.opt
......@@ -19,11 +19,11 @@
m32
Target Report RejectNegative InverseMask(ABI64)
Generate code for a 32-bit ABI
Generate code for a 32-bit ABI.
m64
Target Report RejectNegative Mask(ABI64)
Generate code for a 64-bit ABI
Generate code for a 64-bit ABI.
mmainkernel
Target Report RejectNegative
......
gcc/config/pa/pa-hpux.opt
......@@ -24,15 +24,15 @@ int flag_pa_unix = TARGET_HPUX_11_31 ? 2003 : TARGET_HPUX_11_11 ? 1998 : TARGET_
msio
Target RejectNegative Mask(SIO)
Generate cpp defines for server IO
Generate cpp defines for server IO.
munix=93
Target RejectNegative Var(flag_pa_unix, 1993)
Specify UNIX standard for predefines and linking
Specify UNIX standard for predefines and linking.
mwsio
Target RejectNegative InverseMask(SIO)
Generate cpp defines for workstation IO
Generate cpp defines for workstation IO.
nolibdld
Driver
......
gcc/config/pa/pa-hpux1010.opt
......@@ -20,4 +20,4 @@
munix=95
Target RejectNegative Var(flag_pa_unix, 1995)
Specify UNIX standard for predefines and linking
Specify UNIX standard for predefines and linking.
gcc/config/pa/pa-hpux1111.opt
......@@ -20,4 +20,4 @@
munix=98
Target RejectNegative Var(flag_pa_unix, 1998)
Specify UNIX standard for predefines and linking
Specify UNIX standard for predefines and linking.
gcc/config/pa/pa-hpux1131.opt
......@@ -20,4 +20,4 @@
munix=2003
Target RejectNegative Var(flag_pa_unix, 2003)
Specify UNIX standard for predefines and linking
Specify UNIX standard for predefines and linking.
gcc/config/pa/pa.opt
......@@ -27,15 +27,15 @@ enum processor_type pa_cpu = TARGET_SCHED_DEFAULT
march=1.0
Target RejectNegative
Generate PA1.0 code
Generate PA1.0 code.
march=1.1
Target RejectNegative
Generate PA1.1 code
Generate PA1.1 code.
march=2.0
Target RejectNegative
Generate PA2.0 code (requires binutils 2.10 or later)
Generate PA2.0 code (requires binutils 2.10 or later).
mbig-switch
Target Ignore
......@@ -43,23 +43,23 @@ Does nothing. Preserved for backward compatibility.
mdisable-fpregs
Target Report Mask(DISABLE_FPREGS)
Disable FP regs
Disable FP regs.
mdisable-indexing
Target Report Mask(DISABLE_INDEXING)
Disable indexed addressing
Disable indexed addressing.
mfast-indirect-calls
Target Report Mask(FAST_INDIRECT_CALLS)
Generate fast indirect calls
Generate fast indirect calls.
mfixed-range=
Target RejectNegative Joined Var(pa_deferred_options) Defer
Specify range of registers to make fixed
Specify range of registers to make fixed.
mgas
Target Report Mask(GAS)
Assume code will be assembled by GAS
Assume code will be assembled by GAS.
mjump-in-delay
Target Ignore
......@@ -68,43 +68,43 @@ Does nothing. Preserved for backward compatibility.
;; Not used by gcc
mlinker-opt
Target RejectNegative
Enable linker optimizations
Enable linker optimizations.
mlong-calls
Target Report Mask(LONG_CALLS)
Always generate long calls
Always generate long calls.
mlong-load-store
Target Report Mask(LONG_LOAD_STORE)
Emit long load/store sequences
Emit long load/store sequences.
mnosnake
Target RejectNegative
Generate PA1.0 code
Generate PA1.0 code.
mno-space-regs
Target RejectNegative Report Mask(NO_SPACE_REGS)
Disable space regs
Disable space regs.
mpa-risc-1-0
Target RejectNegative
Generate PA1.0 code
Generate PA1.0 code.
mpa-risc-1-1
Target RejectNegative Mask(PA_11)
Generate PA1.1 code
Generate PA1.1 code.
mpa-risc-2-0
Target RejectNegative Mask(PA_20)
Generate PA2.0 code (requires binutils 2.10 or later)
Generate PA2.0 code (requires binutils 2.10 or later).
mportable-runtime
Target Report Mask(PORTABLE_RUNTIME)
Use portable calling conventions
Use portable calling conventions.
mschedule=
Target RejectNegative Joined Enum(pa_schedule) Var(pa_cpu)
Specify CPU for scheduling purposes. Valid arguments are 700, 7100, 7100LC, 7200, 7300, and 8000
Specify CPU for scheduling purposes. Valid arguments are 700, 7100, 7100LC, 7200, 7300, and 8000.
Enum
Name(pa_schedule) Type(enum processor_type)
......@@ -129,12 +129,12 @@ Enum(pa_schedule) String(7300) Value(PROCESSOR_7300)
msoft-float
Target Report Mask(SOFT_FLOAT)
Use software floating point
Use software floating point.
msnake
Target RejectNegative
Generate PA1.1 code
Generate PA1.1 code.
mspace-regs
Target RejectNegative Report InverseMask(NO_SPACE_REGS)
Do not disable space regs
Do not disable space regs.
gcc/config/pa/pa64-hpux.opt
......@@ -20,8 +20,8 @@
mgnu-ld
Target RejectNegative Mask(GNU_LD)
Assume code will be linked by GNU ld
Assume code will be linked by GNU ld.
mhp-ld
Target RejectNegative InverseMask(GNU_LD)
Assume code will be linked by HP ld
Assume code will be linked by HP ld.
gcc/config/pdp11/pdp11.opt
......@@ -20,68 +20,68 @@
m10
Target RejectNegative
Generate code for an 11/10
Generate code for an 11/10.
m40
Target Report Mask(40)
Generate code for an 11/40
Generate code for an 11/40.
m45
Target Report Mask(45)
Generate code for an 11/45
Generate code for an 11/45.
mac0
Target Report Mask(AC0)
Return floating-point results in ac0 (fr0 in Unix assembler syntax)
Return floating-point results in ac0 (fr0 in Unix assembler syntax).
mbcopy
Target RejectNegative Report Mask(BCOPY)
Do not use inline patterns for copying memory
Do not use inline patterns for copying memory.
mbcopy-builtin
Target RejectNegative Report InverseMask(BCOPY, BCOPY_BUILTIN)
Use inline patterns for copying memory
Use inline patterns for copying memory.
mbranch-cheap
Target RejectNegative Report InverseMask(BRANCH_EXPENSIVE, BRANCH_CHEAP)
Do not pretend that branches are expensive
Do not pretend that branches are expensive.
mbranch-expensive
Target RejectNegative Report Mask(BRANCH_EXPENSIVE)
Pretend that branches are expensive
Pretend that branches are expensive.
mdec-asm
Target RejectNegative Report InverseMask(UNIX_ASM)
Use the DEC assembler syntax
Use the DEC assembler syntax.
mfloat32
Target Report Mask(FLOAT32)
Use 32 bit float
Use 32 bit float.
mfloat64
Target Report InverseMask(FLOAT32, FLOAT64)
Use 64 bit float
Use 64 bit float.
mfpu
Target RejectNegative Report Mask(FPU)
Use hardware floating point
Use hardware floating point.
mint16
Target Report InverseMask(INT32, INT16)
Use 16 bit int
Use 16 bit int.
mint32
Target Report Mask(INT32)
Use 32 bit int
Use 32 bit int.
msoft-float
Target RejectNegative Report InverseMask(FPU, SOFT_FLOAT)
Do not use hardware floating point
Do not use hardware floating point.
msplit
Target Report Mask(SPLIT)
Target has split I&D
Target has split I&D.
munix-asm
Target RejectNegative Report Mask(UNIX_ASM)
Use UNIX assembler syntax
Use UNIX assembler syntax.
gcc/config/rl78/rl78.opt
......@@ -74,19 +74,19 @@ Enum(rl78_cpu_types) String(rl78) Value(CPU_G14)
mg10
Target RejectNegative Report Alias(mcpu=, g10)
Alias for -mcpu=g10
Alias for -mcpu=g10.
mg13
Target RejectNegative Report Alias(mcpu=, g13)
Alias for -mcpu=g13
Alias for -mcpu=g13.
mg14
Target RejectNegative Report Alias(mcpu=, g14)
Alias for -mcpu=g14
Alias for -mcpu=g14.
mrl78
Target RejectNegative Report Alias(mcpu=, g14)
Alias for -mcpu=g14
Alias for -mcpu=g14.
mes0
Target Mask(ES0)
......
gcc/config/rs6000/476.opt
......@@ -21,4 +21,4 @@
mpreserve-link-stack
Target Var(rs6000_link_stack) Init(-1) Save
Preserve the PowerPC 476's link stack by matching up a blr with the bcl/bl insns used for GOT accesses
Preserve the PowerPC 476's link stack by matching up a blr with the bcl/bl insns used for GOT accesses.
gcc/config/rs6000/aix64.opt
......@@ -21,15 +21,15 @@
maix64
Target Report RejectNegative Negative(maix32) Mask(64BIT) Var(rs6000_isa_flags)
Compile for 64-bit pointers
Compile for 64-bit pointers.
maix32
Target Report RejectNegative Negative(maix64) InverseMask(64BIT) Var(rs6000_isa_flags)
Compile for 32-bit pointers
Compile for 32-bit pointers.
mcmodel=
Target RejectNegative Joined Enum(rs6000_cmodel) Var(rs6000_current_cmodel)
Select code model
Select code model.
Enum
Name(rs6000_cmodel) Type(enum rs6000_cmodel)
......@@ -46,7 +46,7 @@ Enum(rs6000_cmodel) String(large) Value(CMODEL_LARGE)
mpe
Target Report RejectNegative Var(internal_nothing_1) Save
Support message passing with the Parallel Environment
Support message passing with the Parallel Environment.
posix
Driver
......
gcc/config/rs6000/darwin.opt
......@@ -35,8 +35,8 @@ Driver RejectNegative Alias(mfix-and-continue)
m64
Target RejectNegative Negative(m32) Mask(64BIT) Var(rs6000_isa_flags)
Generate 64-bit code
Generate 64-bit code.
m32
Target RejectNegative Negative(m64) InverseMask(64BIT) Var(rs6000_isa_flags)
Generate 32-bit code
Generate 32-bit code.
gcc/config/rs6000/linux64.opt
......@@ -21,11 +21,11 @@
mprofile-kernel
Target Report Var(profile_kernel) Save
Call mcount for profiling before a function prologue
Call mcount for profiling before a function prologue.
mcmodel=
Target RejectNegative Joined Enum(rs6000_cmodel) Var(rs6000_current_cmodel)
Select code model
Select code model.
Enum
Name(rs6000_cmodel) Type(enum rs6000_cmodel)
......
gcc/config/rs6000/sysv4.opt
......@@ -21,15 +21,15 @@
mcall-
Target RejectNegative Joined Var(rs6000_abi_name)
Select ABI calling convention
Select ABI calling convention.
msdata=
Target RejectNegative Joined Var(rs6000_sdata_name)
Select method for sdata handling
Select method for sdata handling.
mtls-size=
Target RejectNegative Joined Var(rs6000_tls_size) Enum(rs6000_tls_size)
Specify bit size of immediate TLS offsets
Specify bit size of immediate TLS offsets.
Enum
Name(rs6000_tls_size) Type(int)
......@@ -45,113 +45,113 @@ Enum(rs6000_tls_size) String(64) Value(64)
mbit-align
Target Report Var(TARGET_NO_BITFIELD_TYPE) Save
Align to the base type of the bit-field
Align to the base type of the bit-field.
mstrict-align
Target Report Mask(STRICT_ALIGN) Var(rs6000_isa_flags)
Align to the base type of the bit-field
Don't assume that unaligned accesses are handled by the system
Align to the base type of the bit-field.
Don't assume that unaligned accesses are handled by the system.
mrelocatable
Target Report Mask(RELOCATABLE) Var(rs6000_isa_flags)
Produce code relocatable at runtime
Produce code relocatable at runtime.
mrelocatable-lib
Target
Produce code relocatable at runtime
Produce code relocatable at runtime.
mlittle-endian
Target Report RejectNegative Mask(LITTLE_ENDIAN) Var(rs6000_isa_flags)
Produce little endian code
Produce little endian code.
mlittle
Target Report RejectNegative Mask(LITTLE_ENDIAN) Var(rs6000_isa_flags)
Produce little endian code
Produce little endian code.
mbig-endian
Target Report RejectNegative InverseMask(LITTLE_ENDIAN) Var(rs6000_isa_flags)
Produce big endian code
Produce big endian code.
mbig
Target Report RejectNegative InverseMask(LITTLE_ENDIAN) Var(rs6000_isa_flags)
Produce big endian code
Produce big endian code.
;; FIXME: This does nothing. What should be done?
mno-toc
Target RejectNegative
no description yet
no description yet.
mtoc
Target RejectNegative
no description yet
no description yet.
mprototype
Target Var(target_prototype) Save
Assume all variable arg functions are prototyped
Assume all variable arg functions are prototyped.
;; FIXME: Does nothing.
mno-traceback
Target RejectNegative
no description yet
no description yet.
meabi
Target Report Mask(EABI) Var(rs6000_isa_flags)
Use EABI
Use EABI.
mbit-word
Target Report Var(TARGET_NO_BITFIELD_WORD) Save
Allow bit-fields to cross word boundaries
Allow bit-fields to cross word boundaries.
mregnames
Target Var(rs6000_regnames) Save
Use alternate register names
Use alternate register names.
;; This option does nothing and only exists because the compiler
;; driver passes all -m* options through.
msdata
Target
Use default method for sdata handling
Use default method for sdata handling.
msim
Target RejectNegative
Link with libsim.a, libc.a and sim-crt0.o
Link with libsim.a, libc.a and sim-crt0.o.
mads
Target RejectNegative
Link with libads.a, libc.a and crt0.o
Link with libads.a, libc.a and crt0.o.
myellowknife
Target RejectNegative
Link with libyk.a, libc.a and crt0.o
Link with libyk.a, libc.a and crt0.o.
mmvme
Target RejectNegative
Link with libmvme.a, libc.a and crt0.o
Link with libmvme.a, libc.a and crt0.o.
memb
Target RejectNegative
Set the PPC_EMB bit in the ELF flags header
Set the PPC_EMB bit in the ELF flags header.
mshlib
Target RejectNegative
no description yet
no description yet.
m64
Target Report RejectNegative Negative(m32) Mask(64BIT) Var(rs6000_isa_flags)
Generate 64-bit code
Generate 64-bit code.
m32
Target Report RejectNegative Negative(m64) InverseMask(64BIT) Var(rs6000_isa_flags)
Generate 32-bit code
Generate 32-bit code.
mnewlib
Target RejectNegative
no description yet
no description yet.
msecure-plt
Target Report RejectNegative Var(secure_plt, 1) Save
Generate code to use a non-exec PLT and GOT
Generate code to use a non-exec PLT and GOT.
mbss-plt
Target Report RejectNegative Var(secure_plt, 0) Save
Generate code for old exec BSS PLT
Generate code for old exec BSS PLT.
gcc/config/s390/s390.opt
......@@ -36,15 +36,15 @@ HOST_WIDE_INT s390_warn_framesize = 0
m31
Target Report RejectNegative Negative(m64) InverseMask(64BIT)
31 bit ABI
31 bit ABI.
m64
Target Report RejectNegative Negative(m31) Mask(64BIT)
64 bit ABI
64 bit ABI.
march=
Target RejectNegative Joined Enum(processor_type) Var(s390_arch) Init(PROCESSOR_max)
Generate code for given CPU
Generate code for given CPU.
Enum
Name(processor_type) Type(enum processor_type)
......@@ -84,23 +84,23 @@ Enum(processor_type) String(native) Value(PROCESSOR_NATIVE) DriverOnly
mbackchain
Target Report Mask(BACKCHAIN)
Maintain backchain pointer
Maintain backchain pointer.
mdebug
Target Report Mask(DEBUG_ARG)
Additional debug prints
Additional debug prints.
mesa
Target Report RejectNegative Negative(mzarch) InverseMask(ZARCH)
ESA/390 architecture
ESA/390 architecture.
mhard-dfp
Target Report Mask(HARD_DFP)
Enable decimal floating point hardware support
Enable decimal floating point hardware support.
mhard-float
Target Report RejectNegative Negative(msoft-float) InverseMask(SOFT_FLOAT, HARD_FLOAT)
Enable hardware floating point
Enable hardware floating point.
mhotpatch=
Target RejectNegative Report Joined Var(s390_deferred_options) Defer
......@@ -114,47 +114,47 @@ size. Using 0 for both values disables hotpatching.
mlong-double-128
Target Report RejectNegative Negative(mlong-double-64) Mask(LONG_DOUBLE_128)
Use 128-bit long double
Use 128-bit long double.
mlong-double-64
Target Report RejectNegative Negative(mlong-double-128) InverseMask(LONG_DOUBLE_128)
Use 64-bit long double
Use 64-bit long double.
mhtm
Target Report Mask(OPT_HTM)
Use hardware transactional execution instructions
Use hardware transactional execution instructions.
mvx
Target Report Mask(OPT_VX)
Use hardware vector facility instructions and enable the vector ABI
Use hardware vector facility instructions and enable the vector ABI.
mpacked-stack
Target Report Mask(PACKED_STACK)
Use packed stack layout
Use packed stack layout.
msmall-exec
Target Report Mask(SMALL_EXEC)
Use bras for executable < 64k
Use bras for executable < 64k.
msoft-float
Target Report RejectNegative Negative(mhard-float) Mask(SOFT_FLOAT)
Disable hardware floating point
Disable hardware floating point.
mstack-guard=
Target RejectNegative Joined UInteger Var(s390_stack_guard)
Set the max. number of bytes which has to be left to stack size before a trap instruction is triggered
Set the max. number of bytes which has to be left to stack size before a trap instruction is triggered.
mstack-size=
Target RejectNegative Joined UInteger Var(s390_stack_size)
Emit extra code in the function prologue in order to trap if the stack size exceeds the given limit
Emit extra code in the function prologue in order to trap if the stack size exceeds the given limit.
mtune=
Target RejectNegative Joined Enum(processor_type) Var(s390_tune) Init(PROCESSOR_max)
Schedule code for given CPU
Schedule code for given CPU.
mmvcle
Target Report Mask(MVCLE)
mvcle use
mvcle use.
mzvector
Target Report Mask(ZVECTOR)
......@@ -163,15 +163,15 @@ vector macro and enable the Altivec-style builtins in vecintrin.h
mwarn-dynamicstack
Target RejectNegative Var(s390_warn_dynamicstack_p)
Warn if a function uses alloca or creates an array with dynamic size
Warn if a function uses alloca or creates an array with dynamic size.
mwarn-framesize=
Target RejectNegative Joined
Warn if a single function's framesize exceeds the given framesize
Warn if a single function's framesize exceeds the given framesize.
mzarch
Target Report RejectNegative Negative(mesa) Mask(ZARCH)
z/Architecture
z/Architecture.
mbranch-cost=
Target Report Joined RejectNegative UInteger Var(s390_branch_cost) Init(1)
......@@ -181,4 +181,4 @@ values are small, non-negative integers. The default branch cost is
mlra
Target Report Var(s390_lra_flag) Init(1) Save
Use LRA instead of reload
Use LRA instead of reload.
gcc/config/s390/tpf.opt
......@@ -20,8 +20,8 @@
mtpf-trace
Target Report Mask(TPF_PROFILING)
Enable TPF-OS tracing code
Enable TPF-OS tracing code.
mmain
Target Report
Specify main object for TPF-OS
Specify main object for TPF-OS.
gcc/config/sol2.opt
......@@ -29,11 +29,11 @@ Driver Joined
mclear-hwcap
Target Report
Clear hardware capabilities when linking
Clear hardware capabilities when linking.
mimpure-text
Target Report
Pass -z text to linker
Pass -z text to linker.
pthread
Driver
......
gcc/config/sparc/long-double-switch.opt
......@@ -20,8 +20,8 @@
mlong-double-128
Target Report RejectNegative Mask(LONG_DOUBLE_128)
Use 128-bit long double
Use 128-bit long double.
mlong-double-64
Target Report RejectNegative InverseMask(LONG_DOUBLE_128)
Use 64-bit long double
Use 64-bit long double.
gcc/config/sparc/sparc.opt
......@@ -27,103 +27,103 @@ unsigned int sparc_debug
mfpu
Target Report Mask(FPU)
Use hardware FP
Use hardware FP.
mhard-float
Target RejectNegative Mask(FPU)
Use hardware FP
Use hardware FP.
msoft-float
Target RejectNegative InverseMask(FPU)
Do not use hardware FP
Do not use hardware FP.
mflat
Target Report Mask(FLAT)
Use flat register window model
Use flat register window model.
munaligned-doubles
Target Report Mask(UNALIGNED_DOUBLES)
Assume possible double misalignment
Assume possible double misalignment.
mapp-regs
Target Report Mask(APP_REGS)
Use ABI reserved registers
Use ABI reserved registers.
mhard-quad-float
Target Report RejectNegative Mask(HARD_QUAD)
Use hardware quad FP instructions
Use hardware quad FP instructions.
msoft-quad-float
Target Report RejectNegative InverseMask(HARD_QUAD)
Do not use hardware quad fp instructions
Do not use hardware quad fp instructions.
mv8plus
Target Report Mask(V8PLUS)
Compile for V8+ ABI
Compile for V8+ ABI.
mvis
Target Report Mask(VIS)
Use UltraSPARC Visual Instruction Set version 1.0 extensions
Use UltraSPARC Visual Instruction Set version 1.0 extensions.
mvis2
Target Report Mask(VIS2)
Use UltraSPARC Visual Instruction Set version 2.0 extensions
Use UltraSPARC Visual Instruction Set version 2.0 extensions.
mvis3
Target Report Mask(VIS3)
Use UltraSPARC Visual Instruction Set version 3.0 extensions
Use UltraSPARC Visual Instruction Set version 3.0 extensions.
mcbcond
Target Report Mask(CBCOND)
Use UltraSPARC Compare-and-Branch extensions
Use UltraSPARC Compare-and-Branch extensions.
mfmaf
Target Report Mask(FMAF)
Use UltraSPARC Fused Multiply-Add extensions
Use UltraSPARC Fused Multiply-Add extensions.
mpopc
Target Report Mask(POPC)
Use UltraSPARC Population-Count instruction
Use UltraSPARC Population-Count instruction.
mptr64
Target Report RejectNegative Mask(PTR64)
Pointers are 64-bit
Pointers are 64-bit.
mptr32
Target Report RejectNegative InverseMask(PTR64)
Pointers are 32-bit
Pointers are 32-bit.
m64
Target Report RejectNegative Mask(64BIT)
Use 64-bit ABI
Use 64-bit ABI.
m32
Target Report RejectNegative InverseMask(64BIT)
Use 32-bit ABI
Use 32-bit ABI.
mstack-bias
Target Report Mask(STACK_BIAS)
Use stack bias
Use stack bias.
mfaster-structs
Target Report Mask(FASTER_STRUCTS)
Use structs on stronger alignment for double-word copies
Use structs on stronger alignment for double-word copies.
mrelax
Target
Optimize tail call instructions in assembler and linker
Optimize tail call instructions in assembler and linker.
muser-mode
Target Report InverseMask(SV_MODE)
Do not generate code that can only run in supervisor mode (default)
Do not generate code that can only run in supervisor mode (default).
mcpu=
Target RejectNegative Joined Var(sparc_cpu_and_features) Enum(sparc_processor_type) Init(PROCESSOR_V7)
Use features of and schedule code for given CPU
Use features of and schedule code for given CPU.
mtune=
Target RejectNegative Joined Var(sparc_cpu) Enum(sparc_processor_type) Init(PROCESSOR_V7)
Schedule code for given CPU
Schedule code for given CPU.
Enum
Name(sparc_processor_type) Type(enum processor_type)
......@@ -196,11 +196,11 @@ Enum(sparc_processor_type) String(niagara4) Value(PROCESSOR_NIAGARA4)
mcmodel=
Target RejectNegative Joined Var(sparc_cmodel_string)
Use given SPARC-V9 code model
Use given SPARC-V9 code model.
mdebug=
Target RejectNegative Joined Var(sparc_debug_string)
Enable debug output
Enable debug output.
mstd-struct-return
Target Report RejectNegative Var(sparc_std_struct_return)
......@@ -213,7 +213,7 @@ Enable workaround for single erratum of AT697F processor
mfix-ut699
Target Report RejectNegative Var(sparc_fix_ut699)
Enable workarounds for the errata of the UT699 processor
Enable workarounds for the errata of the UT699 processor.
Mask(LONG_DOUBLE_128)
;; Use 128-bit long double
......
gcc/config/spu/spu.opt
......@@ -17,89 +17,89 @@
mwarn-reloc
Target Report Mask(WARN_RELOC)
Emit warnings when run-time relocations are generated
Emit warnings when run-time relocations are generated.
merror-reloc
Target Report Mask(ERROR_RELOC)
Emit errors when run-time relocations are generated
Emit errors when run-time relocations are generated.
mbranch-cost=
Target RejectNegative Joined UInteger Var(spu_branch_cost) Init(20)
Specify cost of branches (Default 20)
Specify cost of branches (Default 20).
msafe-dma
Target Report RejectNegative Mask(SAFE_DMA)
Make sure loads and stores are not moved past DMA instructions
Make sure loads and stores are not moved past DMA instructions.
munsafe-dma
Target Report RejectNegative InverseMask(SAFE_DMA)
volatile must be specified on any memory that is effected by DMA
volatile must be specified on any memory that is effected by DMA.
mdual-nops
Target Report Var(spu_dual_nops,10) Init(10)
Insert nops when it might improve performance by allowing dual issue (default)
Insert nops when it might improve performance by allowing dual issue (default).
mdual-nops=
Target RejectNegative Joined UInteger Var(spu_dual_nops)
Insert nops when it might improve performance by allowing dual issue (default)
Insert nops when it might improve performance by allowing dual issue (default).
mstdmain
Target Report Mask(STD_MAIN)
Use standard main function as entry for startup
Use standard main function as entry for startup.
mbranch-hints
Target Report Mask(BRANCH_HINTS)
Generate branch hints for branches
Generate branch hints for branches.
mhint-max-nops=
Target RejectNegative Joined UInteger Var(spu_max_nops) Init(2)
Maximum number of nops to insert for a hint (Default 2)
Maximum number of nops to insert for a hint (Default 2).
mhint-max-distance=
Target RejectNegative Joined Var(spu_max_distance_str)
Approximate maximum number of instructions to allow between a hint and its branch [125]
Approximate maximum number of instructions to allow between a hint and its branch [125].
msmall-mem
Target Report RejectNegative InverseMask(LARGE_MEM)
Generate code for 18 bit addressing
Generate code for 18 bit addressing.
mlarge-mem
Target Report RejectNegative Mask(LARGE_MEM)
Generate code for 32 bit addressing
Generate code for 32 bit addressing.
mfixed-range=
Target RejectNegative Joined Var(spu_fixed_range_string)
Specify range of registers to make fixed
Specify range of registers to make fixed.
msafe-hints
Target Report Mask(SAFE_HINTS)
Insert hbrp instructions after hinted branch targets to avoid the SPU hang issue
Insert hbrp instructions after hinted branch targets to avoid the SPU hang issue.
march=
Target RejectNegative Joined Var(spu_arch_string)
Generate code for given CPU
Generate code for given CPU.
mtune=
Target RejectNegative Joined Var(spu_tune_string)
Schedule code for given CPU
Schedule code for given CPU.
mea32
Target Report RejectNegative Var(spu_ea_model,32) Init(32)
Access variables in 32-bit PPU objects (default)
Access variables in 32-bit PPU objects (default).
mea64
Target Report RejectNegative Var(spu_ea_model,64)
Access variables in 64-bit PPU objects
Access variables in 64-bit PPU objects.
maddress-space-conversion
Target Report Mask(ADDRESS_SPACE_CONVERSION)
Allow conversions between __ea and generic pointers (default)
Allow conversions between __ea and generic pointers (default).
mcache-size=
Target Report RejectNegative Joined UInteger
Size (in KB) of software data cache
Size (in KB) of software data cache.
matomic-updates
Target Report
Atomically write back software data cache lines (default)
Atomically write back software data cache lines (default).
gcc/config/stormy16/stormy16.opt
......@@ -21,4 +21,4 @@
; Not used by the compiler
msim
Target RejectNegative
Provide libraries for the simulator
Provide libraries for the simulator.
gcc/config/tilegx/tilegx.opt
......@@ -23,7 +23,7 @@ config/tilegx/tilegx-opts.h
mcpu=
Target RejectNegative Joined Enum(tilegx_cpu) Var(tilegx_cpu) Init(0)
-mcpu=CPU Use features of and schedule code for given CPU
-mcpu=CPU Use features of and schedule code for given CPU.
Enum
Name(tilegx_cpu) Type(int)
......@@ -50,7 +50,7 @@ Use little-endian byte order.
mcmodel=
Target RejectNegative Joined Enum(cmodel) Var(tilegx_cmodel) Init(CM_SMALL)
Use given TILE-Gx code model
Use given TILE-Gx code model.
Enum
Name(cmodel) Type(enum cmodel)
......
gcc/config/tilepro/tilepro.opt
......@@ -25,7 +25,7 @@ behavior and thus the flag is ignored.
mcpu=
Target RejectNegative Joined Enum(tilepro_cpu) Var(tilepro_cpu) Init(0)
-mcpu=CPU Use features of and schedule code for given CPU
-mcpu=CPU Use features of and schedule code for given CPU.
Enum
Name(tilepro_cpu) Type(int)
......
gcc/config/v850/v850.opt
......@@ -26,134 +26,134 @@ int small_memory_max[(int)SMALL_MEMORY_max] = { 0, 0, 0 }
mapp-regs
Target Report Mask(APP_REGS)
Use registers r2 and r5
Use registers r2 and r5.
mbig-switch
Target Report Mask(BIG_SWITCH)
Use 4 byte entries in switch tables
Use 4 byte entries in switch tables.
mdebug
Target Report Mask(DEBUG)
Enable backend debugging
Enable backend debugging.
mdisable-callt
Target Report Mask(DISABLE_CALLT)
Do not use the callt instruction (default)
Do not use the callt instruction (default).
mep
Target Report Mask(EP)
Reuse r30 on a per function basis
Reuse r30 on a per function basis.
mghs
Target RejectNegative InverseMask(GCC_ABI) MaskExists
mlong-calls
Target Report Mask(LONG_CALLS)
Prohibit PC relative function calls
Prohibit PC relative function calls.
mprolog-function
Target Report Mask(PROLOG_FUNCTION)
Use stubs for function prologues
Use stubs for function prologues.
msda=
Target RejectNegative Joined UInteger
Set the max size of data eligible for the SDA area
Set the max size of data eligible for the SDA area.
msda-
Target RejectNegative Joined Undocumented Alias(msda=)
msmall-sld
Target Report Mask(SMALL_SLD)
Enable the use of the short load instructions
Enable the use of the short load instructions.
mspace
Target RejectNegative
Same as: -mep -mprolog-function
Same as: -mep -mprolog-function.
mtda=
Target RejectNegative Joined UInteger
Set the max size of data eligible for the TDA area
Set the max size of data eligible for the TDA area.
mtda-
Target RejectNegative Joined Undocumented Alias(mtda=)
mno-strict-align
Target Report Mask(NO_STRICT_ALIGN)
Do not enforce strict alignment
Do not enforce strict alignment.
mjump-tables-in-data-section
Target Report Mask(JUMP_TABLES_IN_DATA_SECTION)
Put jump tables for switch statements into the .data section rather than the .code section
Put jump tables for switch statements into the .data section rather than the .code section.
mUS-bit-set
Target Report Mask(US_BIT_SET)
mv850
Target Report RejectNegative Mask(V850)
Compile for the v850 processor
Compile for the v850 processor.
mv850e
Target Report RejectNegative Mask(V850E)
Compile for the v850e processor
Compile for the v850e processor.
mv850e1
Target RejectNegative Mask(V850E1)
Compile for the v850e1 processor
Compile for the v850e1 processor.
mv850es
Target RejectNegative Mask(V850E1)
Compile for the v850es variant of the v850e1
Compile for the v850es variant of the v850e1.
mv850e2
Target Report RejectNegative Mask(V850E2)
Compile for the v850e2 processor
Compile for the v850e2 processor.
mv850e2v3
Target Report RejectNegative Mask(V850E2V3)
Compile for the v850e2v3 processor
Compile for the v850e2v3 processor.
mv850e3v5
Target Report RejectNegative Mask(V850E3V5)
Compile for the v850e3v5 processor
Compile for the v850e3v5 processor.
mv850e2v4
Target RejectNegative Mask(V850E3V5) MaskExists
mloop
Target Report Mask(LOOP)
Enable v850e3v5 loop instructions
Enable v850e3v5 loop instructions.
mzda=
Target RejectNegative Joined UInteger
Set the max size of data eligible for the ZDA area
Set the max size of data eligible for the ZDA area.
mzda-
Target RejectNegative Joined Undocumented Alias(mzda=)
mrelax
Target Report Mask(RELAX)
Enable relaxing in the assembler
Enable relaxing in the assembler.
mlong-jumps
Target Report Mask(BIG_SWITCH) MaskExists
Prohibit PC relative jumps
Prohibit PC relative jumps.
msoft-float
Target Report RejectNegative Mask(SOFT_FLOAT)
Inhibit the use of hardware floating point instructions
Inhibit the use of hardware floating point instructions.
mhard-float
Target Report RejectNegative InverseMask(SOFT_FLOAT) MaskExists
Allow the use of hardware floating point instructions for V850E2V3 and up
Allow the use of hardware floating point instructions for V850E2V3 and up.
mrh850-abi
Target RejectNegative Report InverseMask(GCC_ABI) MaskExists
Enable support for the RH850 ABI. This is the default
Enable support for the RH850 ABI. This is the default.
mgcc-abi
Target RejectNegative Report Mask(GCC_ABI)
Enable support for the old GCC ABI
Enable support for the old GCC ABI.
m8byte-align
Target Report Mask(8BYTE_ALIGN)
Support alignments of up to 64-bits
Support alignments of up to 64-bits.
gcc/config/vax/vax.opt
......@@ -20,32 +20,32 @@
md
Target RejectNegative InverseMask(G_FLOAT)
Target DFLOAT double precision code
Target DFLOAT double precision code.
md-float
Target RejectNegative InverseMask(G_FLOAT)
Target DFLOAT double precision code
Target DFLOAT double precision code.
mg
Target RejectNegative Mask(G_FLOAT)
Generate GFLOAT double precision code
Generate GFLOAT double precision code.
mg-float
Target RejectNegative Mask(G_FLOAT)
Generate GFLOAT double precision code
Generate GFLOAT double precision code.
mgnu
Target RejectNegative InverseMask(UNIX_ASM)
Generate code for GNU assembler (gas)
Generate code for GNU assembler (gas).
munix
Target RejectNegative Mask(UNIX_ASM)
Generate code for UNIX assembler
Generate code for UNIX assembler.
mvaxc-alignment
Target RejectNegative Mask(VAXC_ALIGNMENT)
Use VAXC structure conventions
Use VAXC structure conventions.
mqmath
Target Mask(QMATH)
Use new adddi3/subdi3 patterns
Use new adddi3/subdi3 patterns.
gcc/config/visium/visium.opt
......@@ -22,31 +22,31 @@ config/visium/visium-opts.h
mdebug
Target RejectNegative
Link with libc.a and libdebug.a
Link with libc.a and libdebug.a.
msim
Target RejectNegative
Link with libc.a and libsim.a
Link with libc.a and libsim.a.
mfpu
Target Report Mask(FPU)
Use hardware FP (default)
Use hardware FP (default).
mhard-float
Target RejectNegative Mask(FPU) MaskExists
Use hardware FP
Use hardware FP.
msoft-float
Target RejectNegative InverseMask(FPU)
Do not use hardware FP
Do not use hardware FP.
mcpu=
Target RejectNegative Joined Var(visium_cpu_and_features) Enum(visium_processor_type) Init(PROCESSOR_GR5)
Use features of and schedule code for given CPU
Use features of and schedule code for given CPU.
mtune=
Target RejectNegative Joined Var(visium_cpu) Enum(visium_processor_type) Init(PROCESSOR_GR5)
Schedule code for given CPU
Schedule code for given CPU.
Enum
Name(visium_processor_type) Type(enum processor_type)
......@@ -62,11 +62,11 @@ Enum(visium_processor_type) String(gr6) Value(PROCESSOR_GR6)
msv-mode
Target RejectNegative Report Mask(SV_MODE)
Generate code for the supervisor mode (default)
Generate code for the supervisor mode (default).
muser-mode
Target RejectNegative Report InverseMask(SV_MODE)
Generate code for the user mode
Generate code for the user mode.
menable-trampolines
Target RejectNegative
......
gcc/config/vms/vms.opt
......@@ -24,19 +24,19 @@ Target RejectNegative
mmalloc64
Target Report Var(flag_vms_malloc64) Init(1)
Malloc data into P2 space
Malloc data into P2 space.
mdebug-main=
Target RejectNegative Joined Var(vms_debug_main)
Set name of main routine for the debugger
Set name of main routine for the debugger.
mvms-return-codes
Target Report Var(flag_vms_return_codes)
Use VMS exit codes instead of posix ones
Use VMS exit codes instead of posix ones.
mpointer-size=
Target Joined Report RejectNegative Enum(vms_pointer_size) Var(flag_vms_pointer_size) Init(VMS_POINTER_SIZE_NONE)
-mpointer-size=[no,32,short,64,long] Set the default pointer size
-mpointer-size=[no,32,short,64,long] Set the default pointer size.
Enum
Name(vms_pointer_size) Type(enum vms_pointer_size) UnknownError(unknown pointer size model %qs)
......
gcc/config/vxworks.opt
......@@ -33,14 +33,14 @@ Driver Condition(VXWORKS_KIND == VXWORKS_KIND_NORMAL)
mrtp
Target Report RejectNegative Mask(VXWORKS_RTP) Condition(VXWORKS_KIND == VXWORKS_KIND_NORMAL)
Assume the VxWorks RTP environment
Assume the VxWorks RTP environment.
; VxWorks AE has two modes: kernel mode and vThreads mode. In
; general, back ends do not actually need to know which mode they're
; in, so we do not have to set any flags.
mvthreads
Target RejectNegative Condition(VXWORKS_KIND == VXWORKS_KIND_AE)
Assume the VxWorks vThreads environment
Assume the VxWorks vThreads environment.
non-static
Driver Condition(VXWORKS_KIND == VXWORKS_KIND_NORMAL)
gcc/config/xtensa/xtensa.opt
......@@ -20,28 +20,28 @@
mconst16
Target Report Mask(CONST16)
Use CONST16 instruction to load constants
Use CONST16 instruction to load constants.
mforce-no-pic
Target Report Mask(FORCE_NO_PIC)
Disable position-independent code (PIC) for use in OS kernel code
Disable position-independent code (PIC) for use in OS kernel code.
mlongcalls
Target
Use indirect CALLXn instructions for large programs
Use indirect CALLXn instructions for large programs.
mtarget-align
Target
Automatically align branch targets to reduce branch penalties
Automatically align branch targets to reduce branch penalties.
mtext-section-literals
Target
Intersperse literal pools with code in the text section
Intersperse literal pools with code in the text section.
mauto-litpools
Target Report Mask(AUTO_LITPOOLS)
Relax literals in assembler and place them automatically in the text section
Relax literals in assembler and place them automatically in the text section.
mserialize-volatile
Target Report Mask(SERIALIZE_VOLATILE)
-mno-serialize-volatile Do not serialize volatile memory references with MEMW instructions
-mno-serialize-volatile Do not serialize volatile memory references with MEMW instructions.
gcc/gcc.c
......@@ -3366,63 +3366,63 @@ display_help (void)
printf (_("Usage: %s [options] file...\n"), progname);
fputs (_("Options:\n"), stdout);
fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout);
fputs (_(" --help Display this information\n"), stdout);
fputs (_(" --target-help Display target specific command line options\n"), stdout);
fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...]\n"), stdout);
fputs (_(" Display specific types of command line options\n"), stdout);
fputs (_(" -pass-exit-codes Exit with highest error code from a phase.\n"), stdout);
fputs (_(" --help Display this information.\n"), stdout);
fputs (_(" --target-help Display target specific command line options.\n"), stdout);
fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...].\n"), stdout);
fputs (_(" Display specific types of command line options.\n"), stdout);
if (! verbose_flag)
fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout);
fputs (_(" --version Display compiler version information\n"), stdout);
fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout);
fputs (_(" -dumpversion Display the version of the compiler\n"), stdout);
fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout);
fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout);
fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout);
fputs (_(" -print-file-name=<lib> Display the full path to library <lib>\n"), stdout);
fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>\n"), stdout);
fputs (_(" (Use '-v --help' to display command line options of sub-processes).\n"), stdout);
fputs (_(" --version Display compiler version information.\n"), stdout);
fputs (_(" -dumpspecs Display all of the built in spec strings.\n"), stdout);
fputs (_(" -dumpversion Display the version of the compiler.\n"), stdout);
fputs (_(" -dumpmachine Display the compiler's target processor.\n"), stdout);
fputs (_(" -print-search-dirs Display the directories in the compiler's search path.\n"), stdout);
fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library.\n"), stdout);
fputs (_(" -print-file-name=<lib> Display the full path to library <lib>.\n"), stdout);
fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>.\n"), stdout);
fputs (_("\
-print-multiarch Display the target's normalized GNU triplet, used as\n\
a component in the library path\n"), stdout);
fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout);
a component in the library path.\n"), stdout);
fputs (_(" -print-multi-directory Display the root directory for versions of libgcc.\n"), stdout);
fputs (_("\
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
fputs (_(" -print-sysroot Display the target libraries directory\n"), stdout);
fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler\n"), stdout);
fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor\n"), stdout);
fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout);
fputs (_(" -save-temps Do not delete intermediate files\n"), stdout);
fputs (_(" -save-temps=<arg> Do not delete intermediate files\n"), stdout);
multiple library search directories.\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries.\n"), stdout);
fputs (_(" -print-sysroot Display the target libraries directory.\n"), stdout);
fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers.\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler.\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor.\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker.\n"), stdout);
fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler.\n"), stdout);
fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor.\n"), stdout);
fputs (_(" -Xlinker <arg> Pass <arg> on to the linker.\n"), stdout);
fputs (_(" -save-temps Do not delete intermediate files.\n"), stdout);
fputs (_(" -save-temps=<arg> Do not delete intermediate files.\n"), stdout);
fputs (_("\
-no-canonical-prefixes Do not canonicalize paths when building relative\n\
prefixes to other gcc components\n"), stdout);
fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout);
fputs (_(" -time Time the execution of each subprocess\n"), stdout);
fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout);
fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout);
prefixes to other gcc components.\n"), stdout);
fputs (_(" -pipe Use pipes rather than intermediate files.\n"), stdout);
fputs (_(" -time Time the execution of each subprocess.\n"), stdout);
fputs (_(" -specs=<file> Override built-in specs with the contents of <file>.\n"), stdout);
fputs (_(" -std=<standard> Assume that the input sources are for <standard>.\n"), stdout);
fputs (_("\
--sysroot=<directory> Use <directory> as the root directory for headers\n\
and libraries\n"), stdout);
fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout);
fputs (_(" -v Display the programs invoked by the compiler\n"), stdout);
fputs (_(" -### Like -v but options quoted and commands not executed\n"), stdout);
fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout);
fputs (_(" -S Compile only; do not assemble or link\n"), stdout);
fputs (_(" -c Compile and assemble, but do not link\n"), stdout);
fputs (_(" -o <file> Place the output into <file>\n"), stdout);
fputs (_(" -pie Create a position independent executable\n"), stdout);
fputs (_(" -shared Create a shared library\n"), stdout);
and libraries.\n"), stdout);
fputs (_(" -B <directory> Add <directory> to the compiler's search paths.\n"), stdout);
fputs (_(" -v Display the programs invoked by the compiler.\n"), stdout);
fputs (_(" -### Like -v but options quoted and commands not executed.\n"), stdout);
fputs (_(" -E Preprocess only; do not compile, assemble or link.\n"), stdout);
fputs (_(" -S Compile only; do not assemble or link.\n"), stdout);
fputs (_(" -c Compile and assemble, but do not link.\n"), stdout);
fputs (_(" -o <file> Place the output into <file>.\n"), stdout);
fputs (_(" -pie Create a position independent executable.\n"), stdout);
fputs (_(" -shared Create a shared library.\n"), stdout);
fputs (_("\
-x <language> Specify the language of the following input files\n\
-x <language> Specify the language of the following input files.\n\
Permissible languages include: c c++ assembler none\n\
'none' means revert to the default behavior of\n\
guessing the language based on the file's extension\n\
guessing the language based on the file's extension.\n\
"), stdout);
printf (_("\
......
gcc/go/lang.opt
......@@ -39,35 +39,35 @@ Go
fgo-check-divide-zero
Go Var(go_check_divide_zero) Init(1)
Add explicit checks for division by zero
Add explicit checks for division by zero.
fgo-check-divide-overflow
Go Var(go_check_divide_overflow) Init(1)
Add explicit checks for division overflow in INT_MIN / -1
Add explicit checks for division overflow in INT_MIN / -1.
fgo-dump-
Go Joined RejectNegative
-fgo-dump-<type> Dump Go frontend internal information
-fgo-dump-<type> Dump Go frontend internal information.
fgo-optimize-
Go Joined RejectNegative
-fgo-optimize-<type> Turn on optimization passes in the frontend
-fgo-optimize-<type> Turn on optimization passes in the frontend.
fgo-pkgpath=
Go Joined RejectNegative
-fgo-pkgpath=<string> Set Go package path
-fgo-pkgpath=<string> Set Go package path.
fgo-prefix=
Go Joined RejectNegative
-fgo-prefix=<string> Set package-specific prefix for exported Go names
-fgo-prefix=<string> Set package-specific prefix for exported Go names.
fgo-relative-import-path=
Go Joined RejectNegative
-fgo-relative-import-path=<path> Treat a relative import as relative to path
-fgo-relative-import-path=<path> Treat a relative import as relative to path.
frequire-return-statement
Go Var(go_require_return_statement) Init(1) Warning
Functions which return values must end with return statements
Functions which return values must end with return statements.
o
Go Joined Separate
......
gcc/java/lang.opt
......@@ -119,15 +119,15 @@ Java Var(warn_deprecated)
Wextraneous-semicolon
Java Var(flag_extraneous_semicolon)
Warn if deprecated empty statements are found
Warn if deprecated empty statements are found.
Wout-of-date
Java Var(flag_newer) Init(1)
Warn if .class files are out of date
Warn if .class files are out of date.
Wredundant-modifiers
Java Var(flag_redundant)
Warn if modifiers are specified when not necessary
Warn if modifiers are specified when not necessary.
bootclasspath
Java Separate Alias(fbootclasspath=)
......@@ -147,14 +147,14 @@ Driver Separate
fCLASSPATH=
Java JoinedOrMissing RejectNegative Alias(fclasspath=)
--CLASSPATH Deprecated; use --classpath instead
--CLASSPATH Deprecated; use --classpath instead.
faux-classpath
Java Separate RejectNegative Undocumented
fassert
Java Var(flag_assert) Init(1)
Permit the use of the assert keyword
Permit the use of the assert keyword.
fassume-compiled
Java
......@@ -176,34 +176,34 @@ Java JoinedOrMissing
fbootclasspath=
Java JoinedOrMissing RejectNegative
--bootclasspath=<path> Replace system path
--bootclasspath=<path> Replace system path.
fcheck-references
Java Var(flag_check_references)
Generate checks for references to NULL
Generate checks for references to NULL.
fclasspath=
Java JoinedOrMissing RejectNegative
--classpath=<path> Set class path
--classpath=<path> Set class path.
fcompile-resource=
Java Joined RejectNegative
femit-class-file
Java Var(flag_emit_class_files)
Output a class file
Output a class file.
femit-class-files
Java Var(flag_emit_class_files)
Alias for -femit-class-file
Alias for -femit-class-file.
fencoding=
Java Joined RejectNegative
--encoding=<encoding> Choose input encoding (defaults from your locale)
--encoding=<encoding> Choose input encoding (defaults from your locale).
fextdirs=
Java Joined RejectNegative
--extdirs=<path> Set the extension directory path
--extdirs=<path> Set the extension directory path.
fmain=
Driver JoinedOrMissing RejectNegative
......@@ -213,72 +213,72 @@ Java Joined Undocumented
ffilelist-file
Java Var(flag_filelist_file)
Input file is a file with a list of filenames to compile
Input file is a file with a list of filenames to compile.
fsaw-java-file
Java Undocumented RejectNegative
fforce-classes-archive-check
Java Var(flag_force_classes_archive_check)
Always check for non gcj generated classes archives
Always check for non gcj generated classes archives.
fhash-synchronization
Java Var(flag_hash_synchronization)
Assume the runtime uses a hash table to map an object to its synchronization structure
Assume the runtime uses a hash table to map an object to its synchronization structure.
findirect-classes
Java Var(flag_indirect_classes) Init(1)
Generate instances of Class at runtime
Generate instances of Class at runtime.
findirect-dispatch
Java Var(flag_indirect_dispatch)
Use offset tables for virtual method calls
Use offset tables for virtual method calls.
finline-functions
Java
fjni
Java Var(flag_jni)
Assume native functions are implemented using JNI
Assume native functions are implemented using JNI.
foptimize-static-class-initialization
Java Var(flag_optimize_sci)
Enable optimization of static class initialization code
Enable optimization of static class initialization code.
foutput-class-dir=
Java Joined RejectNegative
freduced-reflection
Java Var(flag_reduced_reflection)
Reduce the amount of reflection meta-data generated
Reduce the amount of reflection meta-data generated.
fstore-check
Java Var(flag_store_check) Init(1)
Enable assignability checks for stores into object arrays
Enable assignability checks for stores into object arrays.
fuse-boehm-gc
Java Var(flag_use_boehm_gc)
Generate code for the Boehm GC
Generate code for the Boehm GC.
fuse-divide-subroutine
Java Var(flag_use_divide_subroutine) Init(1)
Call a library routine to do integer divisions
Call a library routine to do integer divisions.
fuse-atomic-builtins
Java Var(flag_use_atomic_builtins) Init(0)
Generate code for built-in atomic operations
Generate code for built-in atomic operations.
fbootstrap-classes
Java Var(flag_bootstrap_classes)
Generated should be loaded by bootstrap loader
Generated should be loaded by bootstrap loader.
fsource=
Java Joined
Set the source language version
Set the source language version.
ftarget=
Java Joined
Set the target VM version
Set the target VM version.
s-bc-abi
Driver
......
gcc/lto/lang.opt
......@@ -42,6 +42,6 @@ Whole program analysis (WPA) mode with number of parallel jobs specified.
fresolution=
LTO Joined
The resolution file
The resolution file.
; This comment is to ensure we retain the blank line above.
gcc/opts.c
......@@ -181,7 +181,8 @@ base_of_path (const char *path, const char **base_out)
}
/* What to print when a switch has no documentation. */
static const char undocumented_msg[] = N_("This switch lacks documentation");
static const char undocumented_msg[] = N_("This option lacks documentation.");
static const char use_diagnosed_msg[] = N_("Uses of this option are diagnosed.");
typedef char *char_p; /* For DEF_VEC_P. */
......@@ -1012,7 +1013,7 @@ print_filtered_help (unsigned int include_flags,
const char *help;
bool found = false;
bool displayed = false;
char new_help[128];
char new_help[256];
if (include_flags == CL_PARAMS)
{
......@@ -1088,9 +1089,48 @@ print_filtered_help (unsigned int include_flags,
{
if (exclude_flags & CL_UNDOCUMENTED)
continue;
help = undocumented_msg;
}
if (option->alias_target < N_OPTS
&& cl_options [option->alias_target].help)
{
if (help == undocumented_msg)
{
/* For undocumented options that are aliases for other options
that are documented, point the reader to the other option in
preference of the former. */
snprintf (new_help, sizeof new_help,
_("Same as %s. Use the latter option instead."),
cl_options [option->alias_target].opt_text);
}
else
{
/* For documented options with aliases, mention the aliased
option's name for reference. */
snprintf (new_help, sizeof new_help,
_("%s Same as %s."),
help, cl_options [option->alias_target].opt_text);
}
help = new_help;
}
if (option->warn_message)
{
/* Mention that the use of the option will trigger a warning. */
if (help == new_help)
snprintf (new_help + strlen (new_help),
sizeof new_help - strlen (new_help),
" %s", _(use_diagnosed_msg));
else
snprintf (new_help, sizeof new_help,
"%s %s", help, _(use_diagnosed_msg));
help = new_help;
}
/* Get the translation. */
help = _(help);
......@@ -1180,7 +1220,7 @@ print_filtered_help (unsigned int include_flags,
options supported by a specific front end. */
for (i = 0; (1U << i) < CL_LANG_ALL; i ++)
if ((1U << i) & langs)
printf (_(" None found. Use --help=%s to show *all* the options supported by the %s front-end\n"),
printf (_(" None found. Use --help=%s to show *all* the options supported by the %s front-end.\n"),
lang_names[i], lang_names[i]);
}
......
gcc/testsuite/ChangeLog
2015-10-21 Martin Sebor <msebor@redhat.com>
PR driver/68043
* gcc.misc-tests/help.exp: Adjust.
* lib/options.exp (check_for_options): Add detail to output.
2015-10-21 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/67939
......
gcc/testsuite/gcc.misc-tests/help.exp
......@@ -31,7 +31,7 @@ gcc_parallel_test_enable 0
# Document --version. Ideally, there should be no undocumented switches
# in --help.
check_for_options c "--help" "--version" "This switch lacks documentation" ""
check_for_options c "--help" "--version" "This option lacks documentation" ""
# Output from different subprocesses should not be intermingled
# (we check for some patterns that could be seen with a missing
......@@ -43,7 +43,7 @@ check_for_options c "-v --help" "" {
} ""
# There are still undocumented switches in -v --help.
check_for_options c "-v --help" "" "This switch lacks documentation" "xfail"
check_for_options c "-v --help" "" "This option lacks documentation" "xfail"
# Check whether multiline conversion in optc-gen is broken.
check_for_options c "-v --help" "" {are likely to\n -std} ""
......@@ -54,10 +54,10 @@ check_for_options c "--help=params" "maximum number of" "-Wunsafe-loop-optimizat
check_for_options c "--help=C" "-ansi" "-gnatO" ""
check_for_options c {--help=C++} {-std=c\+\+} "-gnatO" ""
check_for_options c "--help=common" "-dumpbase" "-gnatO" ""
check_for_options c "--help=undocumented" "This switch lacks documentation" "" ""
check_for_options c "--help=undocumented" "This option lacks documentation" "" ""
# Undocumented flags are not yet consistently marked as such.
check_for_options c "--help=^undocumented" "-Wall" "This switch lacks documentation" "xfail"
check_for_options c "--help=^undocumented" "-Wall" "This option lacks documentation" "xfail"
# Try some --help=* examples from the manual.
check_for_options c "--help=target,undocumented" "" "" ""
......@@ -78,14 +78,27 @@ maximum number of
} "" ""
# Ensure PR 37805 is fixed.
check_for_options c "--help=joined" "Wformat=" "-fstrict-prototype" ""
check_for_options c "--help=separate" "-MF" "-fstrict-prototype" ""
check_for_options c "--help=warnings,joined" "Wformat=" "Wtrigraphs" ""
check_for_options c "--help=warnings,^joined" "Wtrigraphs" "Wformat=" ""
check_for_options c "--help=joined,separate" "-I" "" ""
check_for_options c "--help=^joined,separate" "--param " "" ""
check_for_options c "--help=joined,^separate" "--help=" "" ""
# Specify patterns (arguments 3 and later) that match option names
# at the beginning of the line and not when they are referenced by
# some other options later on.
# The (?w) Tcl embedded option tells the Tcl regexp parser to treat
# the '^' character as an anchor.
check_for_options c "--help=joined" \
"(?w)^ *-Wformat=" "(?w)^ *-fstrict-prototype" ""
check_for_options c "--help=separate" \
"(?w)^ *-MF" "(?w)^ *-fstrict-prototype" ""
check_for_options c "--help=warnings,joined" \
"(?w)^ *-Wformat=" "(?w)^ *-Wtrigraphs" ""
check_for_options c "--help=warnings,^joined" \
"(?w)^ *-Wtrigraphs" "(?w)^ *-Wformat=" ""
check_for_options c "--help=joined,separate" \
"(?w)^ *-I" "" ""
check_for_options c "--help=^joined,separate" \
"(?w)^ *--param " "" ""
check_for_options c "--help=joined,^separate" \
"(?w)^ *--help=" "" ""
check_for_options c "--help=joined,undocumented" "" "" ""
# Listing only excludes gives empty results.
check_for_options c "--help=^joined,^separate" "" "" ""
......
gcc/testsuite/lib/options.exp
......@@ -47,28 +47,31 @@ proc check_for_options {language gcc_options compiler_patterns compiler_non_patt
set gcc_output [gcc_target_compile $filename.c $filename.x executable $gcc_options]
remote_file build delete $filename.c $filename.x $filename.gcno
# Verify that COMPILER_PATTERRNS appear in gcc output.
foreach pattern [split $compiler_patterns "\n"] {
if {$pattern != ""} {
if {[regexp -- "$pattern" $gcc_output]} {
pass "$test $pattern"
} else {
if {$expected_failure != ""} {
xfail "$test $pattern"
xfail "$test \"$pattern\" present in output"
} else {
fail "$test $pattern"
fail "$test \"$pattern\" present in output"
}
}
}
}
# Verify that COMPILER_NON_PATTERRNS do not appear in gcc output.
foreach pattern [split $compiler_non_patterns "\n"] {
if {$pattern != ""} {
if {![regexp -- "$pattern" $gcc_output]} {
pass "$test $pattern"
} else {
if {$expected_failure != ""} {
xfail "$test $pattern"
xfail "$test \"$pattern\" absent from output"
} else {
fail "$test $pattern"
fail "$test \"$pattern\" absent from output"
}
}
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment