2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
(sh_cannot_modify_jumps_p): New function.
2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
(sh_ms_bitfield_layout_p): New function.
2002-02-04  Alexandre Oliva  <aoliva@redhat.com>
	    Zack Weinberg  <zack@codesourcery.com>
* config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
expand_simple_binop instead of expand_binop.
2002-02-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
use of .quad and .uaquad.
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (movdi_const, movdi_const_32bit,
movdi_const_16bit): Make sure all CONSTs have modes.
(sym2PIC): Ditto, but by adjusting all callers.
* config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
if the prologue calls the SHmedia argument decoder or register
saver.
2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
(TARGET_ASM_ALIGNED_DI_OP): Likewise.
(sh_expand_epilogue): Don't emit USE of return target register.
(prepare_move_operands): Legitimize DImode PIC addresses.
(sh_media_register_for_return): Skip tr0, used to initialize the
PIC register.
(sh_expand_prologue): Remove explicit USE of return register.
(nonpic_symbol_mentioned_p): PC is non-PIC.  Don't recurse in
CONST_DOUBLEs.  UNSPEC_GOTPLT is PIC.
* config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
(OVERRIDE_OPTIONS): Don't disable PIC on SH5.
(EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
EXTRA_CONSTRAINT_T.
(GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
(MOVI_SHORI_BASE_OPERAND_P): New.
(NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
(EXTRA_CONSTRAINT_T): Define in terms of them.
(OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
* config/sh/sh.md (movsi_media, movsi_media_nofpu,
movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
alternatives supporting TARGET_REGS.
(UNSPEC_GOTPLT): New constant.
(movdi split): Move incrementing of LABEL_NUSES...
(movdi_const, movdi_const_32bit): Here.  Use
MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
(movdi_const_16bit): New.
(call, call_value) [flag_pic]: Use GOTPLT.
(call_pop, call_value_pop): New expands.
(call_pop_compact, call_pop_rettramp): New insns.
(call_value_pop_compact, call_value_pop_rettramp): New insns.
(sibcall) [flag_pic]: Use GOT.
(builtint_setjmp_receiver): Remove bogus, unused expand.
(GOTaddr2picreg): Implement for SHcompact and SHmedia.
(*pt, *ptb, ptrel): New insns.
(sym2GOT): Handle DImode GOT.
(sym2GOTPLT, symGOTPLT2reg): New expands.
(sym2PIC): New expand.
(shcompact_return_tramp): Use GOTPLT to return trampoline.
(shcompact_return_tramp_i): Use return register explicitly.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
disable flag_reorder_blocks.
2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Reorder return, uses and
clobbers, for clarity.
(sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
restoring of r0 in macl as MAYBE_DEAD.
2002-01-18  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
* config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
alter_subreg all over.
(jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
reload, instead of emitting instructions that would require
reloading.
(casesi_load_media): Add missing modes.
2001-11-09  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (sh_expand_prologue): Mark the PIC register
as used if the argument decoder is called.
2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
Pmode, then extend it to DImode if necessary.
2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
* config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
constants in FPU-enabled SHmedia, let them be loaded from memory.
2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
Adjust whitespace in assembly output templates.
2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
* config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
mode of if_then_else.
2001-08-04  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
sh.h.
2001-07-26  Andrew Haley  <aph@cambridge.redhat.com>
	    Joern Rennecke <amylaar@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
(SUBTARGET_CPP_PTR_SPEC): New.
(SUBTARGET_CPP_SPEC): Remove.
2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Fix typo in previous checkin.
2001-07-11  Chandrakala Chavva  <cchavva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
2001-07-10  Chandrakala Chavva  <cchavva@cygnus.com>
	    Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
what single FP register can hold for SHmedia target.
2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
	    Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Do not split into SUBREG.
2001-06-14  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
and added new functions as specified in SH5 ABI r9.
2001-06-04  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
8-byte boundary.
2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (dump_table): Add const0_rtx in calls of
gen_consttable_4 and gen_consttable_8.  Emit multiple labels
and consttable_window_ends.
2001-06-03  Graham Stott  <grahams@redhat,com>
* config/sh/sh.md (movdi split): Remove unused variable last_insn.
2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (print_operand): Handle floating-point pair,
vector and matrix registers.
* config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
vector modes into account.
* config/sh/sh.md (movv2sf): Split move between registers into
movdf.
(movv4sf, movv16sf): Introduce insns that get split only after
reload.
* config/sh/shmedia.h: Fix Copyright dates.
* config/sh/ushmedia.h: Likewise.  Move loop counter
declarations into conditionals that uses them.
(sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
loop boundary.
* config/sh/sshmedia.h: Fix Copyright dates.
(sh_media_PUTCFG): Fix constraints.
2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
ptrmemfunc_vbit_in_delta for SH5.
2001-05-08  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
* invoke.texi: Likewise.
2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
GCC_pop_shmedia_regs_nofpu): New global symbols.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
* config/sh/sh.c (calc_live_regs): Account for PR's saving in
compact function with nonlocal labels.
(sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
(sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
(initial_elimination_offset): Account for their stack space.
* config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
* config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
least one of the operands to be a register.
(movv2sf): Likewise.  Renamed to movv2sf_i.
(movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
prepare_move_operands() before emitting SHmedia insns.
2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
Don't save nor initialize r12.  Don't mis-align the stack.
Pad the code with a nop.
* config/sh/crti.asm: Don't restore r12.  Don't mis-align the
stack.
2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
* gcc/longlong.h (__umulsidi3, count_leading_zeros)
[__SHMEDIA__]: Implement.
2001-03-11  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md: Set latency of `pt' closer to reality.
(movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
Set move, load and store type attributes.
* config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
profiling.
* config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
* config/sh/sh-protos.h (sh_media_register_for_return): Declare.
* config/sh/sh.c (sh_media_register_for_return): New function.
(sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
branch-target register.
(sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
* config/sh/sh.md (return_media_i): Use any call-clobbered
branch-target register.
(return_media): If r18 wasn't copied in the prologue, copy it
here.
* config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
Clear class FP0_REGS.
* config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
from elf.h.
2001-03-08  DJ Delorie  <dj@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Set fp_mode to single.
2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
2001-02-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
return value correctly for call_cookie.
2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/crt1.asm (start): Modified so as to call
___setup_argv_and_call_main.
2001-01-26  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
SHmedia mode.
2001-01-20  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
(STRIP_NAME_ENCODING): Use it.
(ASM_OUTPUT_LABELREF): Likewise.  Don't call assemble_name().
2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
prepare_scc_operands().
* config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
(DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
2001-01-17  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
* config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
used in shcompact_incoming_args.
* config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
change.
* config/sh/crt1.asm (start) [SH5]: Switch to single-precision
mode.
* config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
Adjust accordingly.
* config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
Simplify.  Adjust.  Add sanity check.
* config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
FPU_SINGLE_BIT.
* config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
TARGET_SHCOMPACT.
(udivsi3, divsi3): Use them.
(force_mode_for_call): New insn.
(call, call_value, sibcall_value): Emit it before SHcompact
calls.
2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (call, call_value, sibcall): Make sure the
call cookie is non-NULL before taking its value.
2001-01-10  Alexandre Oliva  <aoliva@redhat.com>
* config.gcc (sh64): Set target_requires_64bit_host_wide_int.
2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Set argument memory
block.
* config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
temporary for stack adjusts.  Use MACL and MACH to pass
arguments to shcompact_incoming_args.
* config/sh/sh.md (shcompact_incoming_args): Adjust.  Don't
clobber r1.
* config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
(nested_trampoline): Load static chain address into r1.
* config/sh/sh.md (movdi_media splits): Fix sign-extension.
2001-01-07  Alexandre Oliva  <aoliva@redhat.com
* config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
fp_arith_reg_operand().
2001-01-06  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (casesi): Sign-extend the first two operands,
and use signed compares for them.
* config/sh/sh.c (dump_table): Don't emit 8-byte constants after
4-byte ones.  Instead, inter-leave them, maintaining the 8-byte
ones properly aligned.
(find_barrier): Account for extra alignment needed for 8-byte wide
constants.
(machine_dependent_reorg): Require a label for the second 4-byte
constant after an 8-byte one.
* config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
change.
2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
last_float when switching float modes.
* config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
auto-increment for general-purpose registers.
* config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
result.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
for stack adjust.
* config/sh/sh.c (sh_builtin_saveregs): Support using all
registers for varargs.
2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
* config/sh/sh.h (CALL_COOKIE_STACKSEQ,
CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
(CALL_COOKIE_INT_REG_SHIFT): Adjust.
(FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK.  Adjust
call_cookie accordingly.
(FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
(SHCOMPACT_BYREF): Likewise.
(SHCOMPACT_FORCE_ON_STACK): New macro.
* config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
(sh_builtin_saveregs): Likewise.
* config/sh/lib1funcs.asm (shcompact_call_trampoline,
shcompact_incoming_args): Use new shift values.  Support
sequences of consecutive and non-consecutive pushes/pops.
* config/sh/sh.md (return): Don't explicitly use PR_REG.
2001-01-05  Hans-Peter Nilsson  <hpn@cygnus.com>
* config/sh/sh.h (TEXT_SECTION): Define.
* config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
* config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
return values on FPU-enabled SHmedia.
(FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
FPU-enabled SHmedia.
(INIT_CUMULATIVE_ARGS): Set up return trampoline only if
value is returned in a non-FP reg and is not returned by
reference.
* config/sh/sh.md (shcompact_return_tramp_i): Change type to
jump_ind.
2000-01-04  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
(FUNCTION_ARG_CALLEE_COPIES): Require argument to be
quad-aligned to be passed by callee-copy reference.
2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
* config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
2001-01-02  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
copying low-numbered FP regs to r7 and r8.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
FP regs to general-purpose regs only if the copy was passed on the
stack.
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
copying FP reg to r9.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
copy FP regs to general-purpose regs only in outgoing calls.
* config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
change from 	2000-10-30.  Adjust for 64-bit (or 32-bit)
HOST_WIDE_INT.
* config/sh/sh.h (struct sh_args): Document all fields.
(FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
passed partially on the stack should not consider making
sibcalls.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
stack_regs only for incoming calls.  When passing FP args,
make sure there are FP regs available before modifying
call_cookie.
(SHCOMPACT_BYREF): Pass double args in general-purpose
registers by reference.
2000-12-30  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
attempt to generate sibcalls if the caller got any arguments
by reference.
* config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
* config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
to 8-byte boundaries.
* config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
* config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
* config/sh/sh.c (sh_expand_prologue): Preserve args that will be
stored in the stack.
* config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
for the offsets to have the ISA bit set.
(shcompact_call_trampoline): Document.  Swap r0 and r1, to match
invocation.  Use beq instead of bgt to mark end of sequence of
loads.
(shcompact_incoming_args): Fix store of r2.  Use beq instead of
bgt to mark end of sequence of stores.
* config/sh/sh.c (arith_operand): Don't check whether
CONST_OK_FOR_J for now.
* config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
instead of long for conversion.
2000-12-29  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (print_operand_address): Convert INTVAL to int
before passing it to fprintf.
2000-12-28  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
Call set_fpscr before reading/writing SR.
* config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
Call set_fpscr.
* config/sh/lib1funcs.asm: Add `.align 2' directives before
SHmedia code.
(FMOVD_WORKS): Define on SH5 with FPU.
(set_fpscr): Define on SH5.  Remove separate _fpscr_values
setting.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
_fpscr_values.
2000-12-28  Hans-Peter Nilsson  <hpn@cygnus.com>
* config/sh/lib1funcs.asm (ct_main_table): Align contents to even
address.
(ia_main_table): Ditto.
2000-12-27  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
* config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
the definitions from sh.h.
* config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
TARGET_SH5.
(SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
* config/sh/elf.h (PTRDIFF_TYPE): Likewise.
* config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
2000-12-26  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
Increment LABEL_NUSES.

From-SVN: r49630

* hooks.c: New file.
* hooks.h: New file.
* Makefile.in (HOOKS_H): New.
(TARGET_DEF_H): Added $(HOOKS_H).
(OBJS): Added hooks.o.
(cfgcleanup.o, bb-reorder.o): Added target.h.
(hooks.o): Added dependencies.
* target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
(TARGET_INITIALIZER): this.
* doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
* target.h (struct gcc_target): Added cannot_modify_jumps_p.
* bb-reorder.c: Include target.h.
(reorder_basic_blocks): Skip if cannot modify jumps.
* cfgcleanup.c: Include target.h.
(try_optimize_cfg): Skip merge blocking if cannot modify jumps.

From-SVN: r49627

From-SVN: r49620

	* config/mmix/mmix.c (mmix_conditional_register_usage): if
	-mabi=gnu, modify fixed_regs to fit the GNU ABI.
	(mmix_extra_constraint): Use 'R' to indicate that GETA should be
	used to read the rtx value.
	(mmix_target_asm_function_epilogue): Fix spacing.
	(mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
	(mmix_legitimate_address): Ditto.
	(mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
	should be loaded with a GETA insn.  Don't allocate needless extra
	char for nul termination and fix misleading comment.
	(mmix_print_operand_address): Handle constants if
	TARGET_BASE_ADDRESSES.
	(mmix_output_register_setting): Use base addressing if
	TARGET_BASE_ADDRESSES and the number of insns is 3.
	* config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
	* config/mmix/mmix.md ("movdi"): Change the alternative with GETA
	to use R as constraint, add LDA to match s.
	* config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
	(TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
	(TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
	(FIXED_REGISTERS): Make registers $231..$246 fixed by default.
	(MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
	order with other fixed registers.
	(MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
	other parameter/call-clobbered registers.
	* doc/invoke.texi (Option Summary) <MMIX Options>: Add
	-mbase-addresses, -mno-base-addresses.
	(MMIX Options): Ditto.

From-SVN: r49536

* target.h (struct gcc_target): Added ms_bitfield_layout_p.
* target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New.  Added to...
(TARGET_INITIALIZER): this.
* doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
(BITFIELD_NBYTES_LIMITED): Markup fix.
* tree.h (default_ms_bitfield_layout_p): Declare.
(record_layout_info): Added prev_field.
* tree.c (default_ms_bitfield_layout_p): New fn.
* c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
* stor-layout.c: Include target.h.
(start_record_layout): Initialize prev_field.
(place_field): Handle MS bit-field layout, and disregard
EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
PCC_BITFIELD_TYPE_MATTERS in this case.  Update prev_field.
* Makefile.in (stor-layout.o): Adjust dependencies.

From-SVN: r49526

2002-01-31  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi: Warn about unsupported usage of altivec
        builtins.

        * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
        (altivec_predicate_*): New.

        * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
        Add C++ version of vec_*() functions.

        * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
        (bdesc_2arg): Remove altivec predicates.
        (altivec_expand_builtin): Handle predicates.
        (altivec_init_builtins): Handle predicates.
        (altivec_expand_predicate_builtin): New.

From-SVN: r49500

	* c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
	* c-common.h (SWITCH_TYPE): Define.
	* c-typeck.c (c_start_case): Set SWITCH_TYPE.
	* stmt.c (all_cases_count): Set lastval to thisval at end of loop.
	Rename spareness variable to sparseness.
	(expand_end_case_type): Renamed from expand_end_case, use orig_type
	if non-NULL instead of TREE_TYPE (orig_index).
	* tree.h (expand_end_case_type): Renamed from expand_end_case.
	(expand_end_case): Define using expand_end_case_type.
	* c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
	to expand_end_case_type.
	* doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.

	* semantics.c (begin_switch_stmt): Clear SWITCH_TYPE.
	(finish_switch_cond): Set SWITCH_TYPE.

	* gcc.dg/Wswitch.c: Fix typos.  Don't return unconditionally
	before all tests.  Move warning one line above to match where it
	C frontend emits.
	* gcc.dg/Wswitch-2.c: New test.
	* g++.dg/warn/Wswitch-1.C: New test.
	* g++.dg/warn/Wswitch-2.C: New test.

From-SVN: r49497

	* cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
	* cpphash.c (_cpp_init_hashtable): Similarly.
	* cppinit.c (cpp_create_reader): Default the signed_char flag.
	(init_builtins): Define __CHAR_UNSIGNED__ appropriately.
	(COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
	(cpp_handle_option): Handle the new options.
	* cpplex.c (cpp_interpret_charconst): Use new flag.
	* cpplib.h (struct cpp_options): New member signed_char.
	* gcc.c (cpp_unique_options): Remove %c spec and documentation.
	(cpp_options): Handle -fsigned-char and -funsigned-char.
	(static_specs): Remove signed_char_spec.
	(do_spec1): Don't handle %c.
	* system.h: Poison SIGNED_CHAR_SPEC.
	* tradcif.y (yylex): Use flag_signed_char.
	* tradcpp.h (flag_signed_char): New.
	* tradcpp.c (flag_signed_char): New.
	(main): Handle new command-line options.
	(initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
	* alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
	* avr/avr.h: Remove old comments.
	* i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
	(CC1_SPEC): Pass -fsigned-char if -mic*.
	(SIGNED_CHAR_SPEC): Remove.
doc:
	* tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
testsuite:
	* gcc.dg/cpp/uchar-1.c, uchar-2.c, uchar-3.c: New tests.

From-SVN: r49444

2002-02-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (avr): Update outdated URL.

From-SVN: r49399

	* rtlanal.c (subreg_regno_offset): Do not use
	SUBREG_REGNO_OFFSET.
	* system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
	* doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.

From-SVN: r49381

From-SVN: r49332

        * expr.c (force_operand): Ignore flag_pic for detecting pic
        address loads.
        * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
        for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
        * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
        instead of open-coded loop.
        * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
        be fixed when in use.

From-SVN: r49329

From-SVN: r49324

        * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
        BT_FN_VOID_PTR_VAR.
        * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
        * doc/extend.texi (__builtin_prefetch): Update documentation:
        first argument is now const void ptr.

        * gcc.c-torture/execute/builtin-prefetch-1.c: Changed first
        argument to __builtin_prefetch to be const ptr.

From-SVN: r49296

invoke.texi (-fdump-translation-unit): Revert this patch: 2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org>

2002-01-27  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/invoke.texi (-fdump-translation-unit): Revert this
        patch: 2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>

From-SVN: r49267

	* Makefile.in (CRTSTUFF_CFLAGS): New.
	(crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
	* config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
	crtstuff.c instead of alpha assembly version.
	* crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
	entire dummy function sequence.  Use FORCE_CODE_SECTION_ALIGN
	not FORCE_{INIT,FINI}_SECTION_ALIGN.
	(__do_global_dtors_aux): Mark used.
	(frame_dummy, __do_global_ctors_aux): Mark used.
	(fini_dummy, init_dummy): Remove.

	* config/alpha/crtbegin.asm: Remove file.
	* config/alpha/crtend.asm: Remove file.
	* config/alpha/t-crtbe: Remove file.
	* config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
	(LINK_EH_SPEC): New.

	* config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
	FORCE_INIT_SECTION_ALIGN hack.  Register __fini_start before
	calling constructors.
	* config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.

	* config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
	* config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
	CRT_END_INIT_DUMMY hack.
	* config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
	FORCE_{INIT,FINI}_SECTION_ALIGN.

	* config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
	FORCE_{INIT,FINI}_SECTION_ALIGN.

	* config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
	invocation sequence.
	* config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.

	* doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
	(FORCE_CODE_SECTION_ALIGN): New.

From-SVN: r49261

From-SVN: r49249

	* doc/install.texi (xtensa-*-elf): New target.
	(xtensa-*-linux*): New target.
	* doc/contrib.texi: Add myself.

From-SVN: r49215

        * config/xtensa/elf.h: New file.
        * config/xtensa/lib1funcs.asm: New file.
        * config/xtensa/lib2funcs.S: New file.
        * config/xtensa/linux.h: New file.
        * config/xtensa/t-xtensa: New file.
        * config/xtensa/xtensa-config.h: New file.
        * config/xtensa/xtensa-protos.h: New file.
        * config/xtensa/xtensa.c: New file.
        * config/xtensa/xtensa.h: New file.
        * config/xtensa/xtensa.md: New file.
        * config.gcc (xtensa-*-elf*): New target.
        (xtensa-*-linux*): New target.
        * cse.c (canon_hash): Compare rtx pointers instead of register
        numbers.  This is required for the Xtensa port.
        * integrate.c (copy_insn_list): Handle case where the static
        chain is in memory and the memory address has to be copied to
        a register.
        * doc/invoke.texi (Option Summary): Add Xtensa options.
        (Xtensa Options): New node.
        * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.
        * gcc.c-torture/compile/20001226-1.x: xfail for Xtensa.

From-SVN: r49155

	* doc/fragments.texi, doc/hostconfig.texi: Update to reflect
	current (lack of) need for host configuration by hand.

	* doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
	references.  Documentation of some target macros moved from
	hostconfig.texi to tm.texi.

From-SVN: r49142

	PR c/3504
	* doc/extend.texi: Correct documentation of __alignof__.

From-SVN: r49126

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * extend.texi: Document altivec functions.
        Fix *-bit adjectives in X86 builtin documentation.

From-SVN: r49120

        * doc/tm.texi: Remove STARTING_FRAME_PHASE.

        * config/rs6000/rs6000.h: Same.

        * function.c (instantiate_virtual_regs): Remove
        STARTING_FRAME_PHASE.
        (assign_stack_local_1): Same.
        Calculate frame phase.

From-SVN: r49063

	* config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
	support for TARGET_REG_STACK_FILL_BUG.
	* config/mmix/mmix.h: Remove member has_call_without_parameters.
	(TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
	Delete.
	(TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
	(TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
	-mno-reg-stack-fill-bug-workaround.
	* config/mmix/mmix.md ("call", "call_value"): Don't set struct
	machine member has_call_without_parameters.
	* doc/invoke.texi (Option Summary) <MMIX Options>: Remove
	-mreg-stack-fill-bug-workaround	and
	-mno-reg-stack-fill-bug-workaround.
	(MMIX Options): Ditto.

From-SVN: r49035

2002-01-18  Aldy Hernandez  <aldyh@redhat.com>

        * gcc.dg/20020118-1.c: New.

        * tm.texi (STARTING_FRAME_PHASE): Document.

        * function.c (assign_stack_local_1): Adjust x_frame_offset with
        STARTING_FRAME_PHASE.
        (STARTING_FRAME_PHASE): New.
        (instantiate_virtual_regs): Check saneness of
        STARTING_FRAME_PHASE.

        * rs6000.h (STARTING_FRAME_PHASE): New.

From-SVN: r49006

2002-01-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
        be used for bootstrapping GCC 3.0.

From-SVN: r49001

From-SVN: r48970

        * doc/install.texi (*-ibm-aix*): Update assembler and exception
        handling information.
        * doc/trouble.texi (Interoperation): Add libstdc++ information
        for AIX.
        (Misunderstandings): Add template instantiation and static template
        member information for AIX.

From-SVN: r48962

	* doc/extend.texi: Replace "option" with "attribute"
	appropriately.

From-SVN: r48926

	* doc/invoke.texi: Change the dump file name of block
	reordering pass from 28.bbro to 29.bbro.
	Mention -dk option.

From-SVN: r48916

	* expmed.c (extract_fixed_bit_field): Remove unused code.
	* system.h: Poison SLOW_ZERO_EXTEND.
	* doc/tm.texi: Remove.
	* config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
	* config/arm/arm.h: Likewise.
	* config/avr/avr.h: Likewise.
	* config/clipper/clipper.h: Likewise.
	* config/convex/convex.h: Likewise.
	* config/d30v/d30v.h: Likewise.
	* config/dsp16xx/dsp16xx.h: Likewise.
	* config/elxsi/elxsi.h: Likewise.
	* config/fr30/fr30.h: Likewise.
	* config/h8300/h8300.h: Likewise.
	* config/i370/i370.h: Likewise.
	* config/i386/i386.h: Likewise.
	* config/m68k/m68k.h: Likewise.
	* config/mips/mips.h: Likewise.
	* config/ns32k/ns32k.h: Likewise.
	* config/pdp11/pdp11.h: Likewise.
	* config/pj/pj.h: Likewise.
	* config/s390/s390.h: Likewise.
	* config/sh/sh.h: Likewise.
	* config/stormy16/stormy16.h: Likewise.
	* config/v850/v850.h: Likewise.
	* config/vax/vax.h: Likewise.
	* config/we32k/we32k.h: Likewise.

From-SVN: r48893

From-SVN: r48888

2002-01-15  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
        not work on this platform currently.

From-SVN: r48874

	* doc/extend.texi: Move documentation of X86 built-in functions
	here.
	* doc/invoke.texi: From here.
	* doc/sourcebuild.texi: Document location of documentation for
	machine built-in functions.

From-SVN: r48842

	* doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
	* doc/md.texi (Machine Constraints): Use @minus{} where appropriate.

From-SVN: r48838

	* doc/md.texi (Modifiers): Document the '*' constraint for the
	user.

	* doc/md.texi (Machine Constraints): Add constraints for xstormy16.
	* doc/extend.texi (Function Attributes): 'interrupt' is valid
	for xstormy16 too.

From-SVN: r48823

	* doc/install.texi (Binaries): Make link to ftp.writtenword.com
	more generic.

From-SVN: r48819

From-SVN: r48807

From-SVN: r48806

From-SVN: r48784