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riscv-gcc-1
Commit f3fdaec4 by Neil Booth Committed by Neil Booth
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common.opt: More --help messages. 

	* common.opt: More --help messages.
	* opts.c (print_help): Use puts().
	* toplev.c (f_options): Remove help text.
	(display_help): Don't dump f_options.

From-SVN: r69217
parent 7ebbf1ea
Showing with 124 additions and 2 deletions
gcc/ChangeLog
2003-07-11 Neil Booth <neil@daikokuya.co.uk>
* common.opt: More --help messages.
* opts.c (print_help): Use puts().
* toplev.c (f_options): Remove help text.
(display_help): Don't dump f_options.
2003-07-11 Nathanael Nerode <neroden@gcc.gnu.org>
* fixinc/mkfixinc.sh: Drop reference to unsupported alpha-*-interix*.
......
gcc/common.opt
......@@ -117,7 +117,7 @@ Warn about all enumerated switches missing a specific case
Wsystem-headers
Common
Suppress warnings from system headers
Do not suppress warnings from system headers
Wuninitialized
Common
......@@ -180,54 +180,67 @@ Common
falign-functions
Common
Align the start of functions
falign-functions=
Common RejectNegative Joined UInteger
falign-jumps
Common
Align labels which are only reached by jumping
falign-jumps=
Common RejectNegative Joined UInteger
falign-labels
Common
Align all labels
falign-labels=
Common RejectNegative Joined UInteger
falign-loops
Common
Align the start of loops
falign-loops=
Common RejectNegative Joined UInteger
fargument-alias
Common
Specify that arguments may alias each other and globals
fargument-noalias
Common
Assume arguments may alias globals but not each other
fargument-noalias-global
Common
Assume arguments alias neither each other nor globals
fasynchronous-unwind-tables
Common
Generate unwind tables that are exact at each instruction boundary
fbounds-check
Common
Generate code to check bounds before indexing arrays
fbranch-count-reg
Common
Replace add, compare, branch with branch on count register
fbranch-probabilities
Common
Use profiling information for branch probabilities
fbranch-target-load-optimize
Common
Perform branch target load optimization before prologue / epilogue threading
fbranch-target-load-optimize2
Common
Perform branch target load optimization after prologue / epilogue threading
fcall-saved-
Common Joined RejectNegative
......@@ -239,33 +252,43 @@ Common Joined RejectNegative
fcaller-saves
Common
Save registers around function calls
fcommon
Common
Do not put uninitialized globals in the common section
fcprop-registers
Common
Perform a register copy-propagation optimization pass
fcrossjumping
Common
Perform cross-jumping optimization
fcse-follow-jumps
Common
When running CSE, follow jumps to their targets
fcse-skip-blocks
Common
When running CSE, follow conditional jumps
fdata-sections
Common
Place data items into their own section
fdefer-pop
Common
Defer popping functions args from stack until later
fdelayed-branch
Common
Attempt to fill delay slots of branch instructions
fdelete-null-pointer-checks
Common
Delete useless null pointer checks
fdiagnostics-show-location=
Common Joined RejectNegative
......@@ -273,27 +296,34 @@ Common Joined RejectNegative
fdump-unnumbered
Common
Suppress output of instruction numbers and line number notes in debugging dumps
feliminate-dwarf2-dups
Common
Perform DWARF2 duplicate elimination
feliminate-unused-debug-symbols
Common
Perform unused type elimination in debug info
feliminate-unused-debug-types
Common
Perform unused type elimination in debug info
fexceptions
Common
Enable exception handling
fexpensive-optimizations
Common
Perform a number of minor, expensive optimizations
ffast-math
Common
ffinite-math-only
Common
Assume no NaNs or infinities are generated
ffixed-
Common Joined RejectNegative
......@@ -301,51 +331,67 @@ Common Joined RejectNegative
ffloat-store
Common
Do not store floats in registers
fforce-addr
Common
Copy memory address constants into registers before use
fforce-mem
Common
Copy memory operands into registers before use
ffunction-cse
Common
Allow function addresses to be held in registers
ffunction-sections
Common
Place each function into its own section
fgcse
Common
Perform global common subexpression elimination
fgcse-lm
Common
Perform enhanced load motion during global common subexpression elimination
fgcse-sm
Common
Perform store motion after global common subexpression elimination
fgnu-linker
Common
Output GNU ld formatted global initializers
fguess-branch-probability
Common
Enable guessing of branch probabilities
fident
Common
Process #ident directives
fif-conversion
Common
Perform conversion of conditional jumps to branchless equivalents
fif-conversion2
Common
Perform conversion of conditional jumps to conditional execution
finhibit-size-directive
Common
Do not generate .size directives
finline
Common
Pay attention to the \"inline\" keyword
finline-functions
Common
Integrate simple functions into their callers
finline-limit-
Common RejectNegative Joined UInteger
......@@ -356,30 +402,39 @@ Common RejectNegative Joined UInteger
finstrument-functions
Common
Instrument function entry and exit with profiling calls
fkeep-inline-functions
Common
Generate code for functions even if they are fully inlined
fkeep-static-consts
Common
Emit static const variables even if they are not used
fleading-underscore
Common
Give external symbols a leading underscore
floop-optimize
Common
Perform loop optimizations
fmath-errno
Common
Set errno after built-in math functions
fmem-report
Common
Report on permanent memory allocation
fmerge-all-constants
Common
Attempt to merge identical constants and constant variables
fmerge-constants
Common
Attempt to merge identical constants across compilation units
fmessage-length=
Common RejectNegative Joined UInteger
......@@ -387,57 +442,75 @@ Common RejectNegative Joined UInteger
fmove-all-movables
Common
Force all loop invariant computations out of loops
fnew-ra
Common
Use graph-coloring register allocation
fnon-call-exceptions
Common
Support synchronous non-call exceptions
fold-unroll-loops
Common
Perform loop unrolling when iteration count is known
fold-unroll-all-loops
Common
Perform loop unrolling for all loops
fomit-frame-pointer
Common
When possible do not generate stack frames
foptimize-register-move
Common
Do the full register move optimization pass
foptimize-sibling-calls
Common
Optimize sibling and tail recursive calls
fpack-struct
Common
Pack structure members together without holes
fpcc-struct-return
Common
Return small aggregates in memory, not registers
fpeel-loops
Common
Perform loop peeling
fpeephole
Common
Enable machine specific peephole optimizations
fpeephole2
Common
Enable an RTL peephole pass before sched2
fpic
Common
Generate position-independent code if possible
fpie
Common
Generate position-independent code for executables if possible
fprefetch-loop-arrays
Common
Generate prefetch instructions, if available, for arrays in loops
fprofile
Common
Enable basic program profiling code
fprofile-arcs
Common
Insert arc-based program profiling code
frandom-seed
Common
......@@ -448,39 +521,51 @@ Common Joined RejectNegative
freduce-all-givs
Common
Strength reduce all loop general induction variables
freg-struct-return
Common
Return small aggregates in registers
fregmove
Common
Enables a register move optimization
frename-registers
Common
Perform a register renaming optimization pass
freorder-blocks
Common
Reorder basic blocks to improve code placement
freorder-functions
Common
Reorder functions to improve code placement
frerun-cse-after-loop
Common
Add a common subexpression elimination pass after loop optimizations
frerun-loop-opt
Common
Run the loop optimizer twice
fsched-interblock
Common
Enable scheduling across basic blocks
fsched-spec
Common
Allow speculative motion of non-loads
fsched-spec-load
Common
Allow speculative motion of some loads
fsched-spec-load-dangerous
Common
Allow speculative motion of more loads
fsched-verbose=
Common RejectNegative Joined
......@@ -488,36 +573,47 @@ Common RejectNegative Joined
fsched2-use-superblocks
Common
If scheduling post reload, do superblock scheduling
fsched2-use-traces
Common
If scheduling post reload, do trace scheduling
fschedule-insns
Common
Reschedule instructions before register allocation
fschedule-insns2
Common
Reschedule instructions after register allocation
fshared-data
Common
Mark data as shared rather than private
fsignaling-nans
Common
Disable optimizations observable by IEEE signaling NaNs
fsingle-precision-constant
Common
Convert floating point constants to single precision constants
fssa
Common
Enable static single assignment optimizations
fssa-ccp
Common
Enable SSA conditional constant propagation
fssa-dce
Common
Enable aggressive SSA dead code elimination
fstack-check
Common
Insert stack checking code into the program
fstack-limit
Common
......@@ -532,21 +628,27 @@ Common RejectNegative Joined
fstrength-reduce
Common
Perform strength reduction optimizations
fstrict-aliasing
Common
Assume strict aliasing rules apply
fsyntax-only
Common
Check for syntax errors, then stop
ftest-coverage
Common
Create data files needed by \"gcov\"
fthread-jumps
Common
Perform jump threading optimizations
ftime-report
Common
Report the time taken by each compiler pass
ftls-model=
Common Joined RejectNegative
......@@ -554,42 +656,55 @@ Common Joined RejectNegative
ftracer
Common
Perform superblock formation via tail duplication
ftrapping-math
Common
Assume floating-point operations can trap
ftrapv
Common
Trap for signed overflow in addition, subtraction and multiplication
funit-at-a-time
Common
Compile whole compilation unit at a time
funroll-loops
Common
Perform loop unrolling when iteration count is known
funroll-all-loops
Common
Perform loop unrolling for all loops
funsafe-math-optimizations
Common
Allow math optimizations that may violate IEEE or ISO standards
funswitch-loops
Common
Perform loop unswitching
funwind-tables
Common
Just generate unwind tables for exception handling
fverbose-asm
Common
Add extra commentary to assembler output
fwrapv
Common
Assume signed arithmetic overflow wraps around
fwritable-strings
Common
Store strings in writable data section
fzero-initialized-in-bss
Common
Put zero initialized data in the bss section
g
Common JoinedOrMissing
......
gcc/opts.c
......@@ -1487,7 +1487,7 @@ print_help (void)
{
size_t i, len;
printf (_("\nThe following options are language-independent:\n"));
puts (_("\nThe following options are language-independent:\n"));
for (i = 0; i < cl_options_count; i++)
{
......
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