aec373f1a1
Fix for execute/980205.c failure on SH[123].
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* sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
register for stdarg functions.
* sh.h (current_function_varargs): Declare.
(FUNCTION_ARG): Ignore NAMED for stdarg functions.
From-SVN: r19391
1998-04-23 21:57:06 +01:00
d0c4285986
sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
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* sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
* sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
From-SVN: r19385
1998-04-23 14:37:16 +01:00
a07987797e
Fix some problems that resulted in assmebler messages 'Error: pcrel too far'
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Fix some problems that resulted in assmebler messages 'Error: pcrel too far'
* sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
(split_branches): Call init_insn_lengths.
From-SVN: r19339
1998-04-20 11:59:18 +01:00
1f3fa20e05
* sh.c (find_barrier): Fix calculations for alignemnt increase.
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From-SVN: r18853
1998-03-27 10:12:02 +00:00
77008a4451
sh.h (LOOP_ALIGN): Only align when optimizing.
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* sh.h (LOOP_ALIGN): Only align when optimizing.
* sh.c (find_barrier): Clear inc for CODE_LABELs.
When not optimizing, calculate alignment for BARRIERs directly.
From-SVN: r18473
1998-03-11 10:33:51 +00:00
25938114e3
Typo fix.
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From-SVN: r18449
1998-03-09 12:02:59 +00:00
33f7f35385
rtl.h (addr_diff_vec_flags): New typedef.
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* rtl.h (addr_diff_vec_flags): New typedef.
(union rtunion_def): New member rt_addr_diff_vec_flags.
(ADDR_DIFF_VEC_FLAGS): New macro.
* sh.c (output_branch): Fix offset overflow problems.
* final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
(final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
* rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
* stmt.c (expand_end_case): Supply new arguments to
gen_rtx_ADDR_DIFF_VEC.
* 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
* alpha.h, arc.h, clipper.h, convex.h : Likewise.
* dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
* i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
* mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
* rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
* vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
* i386/386bsd.h, i386/freebsd-elf.h : Likewise.
* i386/freebsd.h, i386/linux.h : Likewise.
* i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
* i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
* m68k/mot3300.h, m68k/sgs.h : Likewise.
* m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
* sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
(CASE_VECTOR_SHORTEN_MODE): Define.
(short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
(med_branch_p, braf_branch_p): Don't declare.
(mdep_reorg_phase, barrier_align): Declare.
(ADJUST_INSN_LENGTH): Remove alignment handling.
* sh.c (uid_align, uid_align_max): Deleted.
(max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
(short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
(cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
(output_far_jump): Don't use braf_branch_p.
(output_branchy_insn): Don't use branch_offset.
(find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
Remove paired barrier stuff.
Don't use cache_align_p.
Take alignment insns into account.
(fixup_addr_diff_vecs): Reduce to only fixing up the base label of
the addr_diff_vec.
(barrier_align, branch_dest): New function.
(machine_dependent_reorg, split_branches): Remove infrastructure
for branch shortening that is now provided in the backend.
* sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
(braf_branch_p, braf_cbranch_p): Likewise.
(attribute length): Use new attributes.
(casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
(addr_diff_vec_adjust): Delete.
(align_2): Now a define_expand.
(align_log): Now length 0.
From-SVN: r18433
1998-03-06 14:54:07 +00:00
956d69504d
Merge from gcc-2.8
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From-SVN: r16987
1997-12-06 17:31:01 -07:00
4d7b7169c5
sh.c (final_prescan_insn): Use local label prefix when emitting .uses pseudo-ops.
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* sh.c (final_prescan_insn): Use local label prefix
when emitting .uses pseudo-ops.
From-SVN: r16949
1997-12-04 17:45:10 +00:00
1245df60c1
Sync SH port with FSF; enable regmove for SH.
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From-SVN: r16371
1997-11-08 19:54:57 +00:00
07f5b9aa23
sh.c (sh_expand_epilogue): Emit a blockage insn before cutting back the stack.
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* sh.c (sh_expand_epilogue): Emit a blockage insn before
cutting back the stack.
From-SVN: r14362
1997-06-30 14:56:46 -06:00
4408efce8b
sh.c (trap_exit, sp_switch): New variables.
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* sh.c (trap_exit, sp_switch): New variables.
(print_operand, case '@'): If trap_exit is nonzero, then use
a trapa instead of an rte/rts to exit the current function.
(sh_expand_prologue): Switch stacks at function entry as needed.
(sh_expand_epilogue): Similarly at function exit.
(function_epilogue): Clear trap_exit and sp_switch too.
(sh_valid_machine_decl_attribute): New function.
* sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
(sp_switch): Declare.
* sh.md (sp_switch_1, sp_switch_2): New named patterns.
From-SVN: r14148
1997-06-05 09:52:34 -06:00
f3cd53755b
(output_stack_adjust): Reorganize code for readability.
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If size is negative, negate and subtract it instead of adding it.
From-SVN: r13847
1997-04-09 15:44:46 -07:00
20ec31d305
(output_stack_adjust): When splitting an adjustment into two parts,
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make sure the stack is aligned at all times.
From-SVN: r13846
1997-04-09 18:50:38 +01:00
cf641ce6cc
(calc_live_regs): need not save MACL/MACH when not live, and in leaf function.
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From-SVN: r13627
1997-02-11 20:53:36 +00:00
f3e9068e0a
(calc_live_regs): exclude RETURN_ADDRESS_POINTER_REGNUM.
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From-SVN: r13626
1997-02-11 19:59:59 +00:00
6ab911bb39
(shl_and_kind): typo fix.
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From-SVN: r13556
1997-01-27 18:32:05 +00:00
885c9a395a
(output_stack_adjust): New argument TEMP. Changed all callers.
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If the adjust cannot be done with one, but can be done with two
CONST_OK_FOR_I constants, do it that way.
From-SVN: r13213
1996-11-21 20:53:26 +00:00
24c50999b5
(gen_shl_and): Try to generate shorter constant for and.
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From-SVN: r13101
1996-11-06 03:48:54 +00:00
ae9d19c0e1
(EXT_SHIFT_SIGNED): New macro.
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(shl_sext_kind, gen_shl_sext): try left shift - sign extend -
left shift - arithmetic right shift in case 2.
From-SVN: r13059
1996-10-29 01:08:53 +00:00
e577c183dd
sh.c (dump_table): handle SFmode and DFmode.
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* sh.c (dump_table): handle SFmode and DFmode.
(broken_move): handle simple PARALLEL.
(machine_dependent_reorg, pc-relative move generation): Likewise.
From-SVN: r13021
1996-10-24 01:40:58 +01:00
d00d338cdc
(gen_shl_sext): Add missing parameter to shl_sext_kind call.
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From-SVN: r12990
1996-10-21 15:28:24 -07:00
4787bce0e9
(sfunc_uses_reg): New function.
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(noncall_uses_reg, machine_dependent_reorg, final_prescan_insn):
Handle special functions like function calls for purposes of relaxing.
(noncall_uses_reg): Added some missing cases of registers
being used in non-call instructions.
From-SVN: r12901
1996-10-04 12:56:02 -07:00
afad3d2c26
(gen_shl_and, gen_shl_sext): use gen_lowpart to generate rtx in the appropriate mode for zero/sign-extension.
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(gen_shl_and, gen_shl_sext): use gen_lowpart to
generate rtx in the appropriate mode for zero/sign-extension.
Don't generate a zero bit shift.
(gen_shl_sext) directly use gen_ashift instead of gen_ashrsi3 .
From-SVN: r12884
1996-09-30 14:45:47 -07:00
8d4812411e
(ext_shift_insns, ext_shift_amounts): new arrays.
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(gen_ashift_hi, gen_shifty_hi_op, shl_and_kind): new functions.
rtx_equal_function_value_matters: declare.
(shl_and_length, shl_and_src_length, gen_shl_and): new functions.
(shl_sext_kind, shl_sext_length, gen_shl_sext): new functions.
From-SVN: r12726
1996-09-16 10:40:36 -07:00
2afeea0fa3
(regno_reg_class): Change entry 23 from NO_REGS to GENERAL_REGS.
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(initial_elimination_offset): New variable live_regs_mask. Add
code to handle RETURN_ADDRESS_POINTER_REGNUM.
From-SVN: r12627
1996-08-12 14:43:22 -07:00
519164a9ed
(arith_reg_operand): Reject SUBREG of an invalid hard reg.
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From-SVN: r12594
1996-08-05 14:27:22 -07:00
38f357812d
(reg_unused_after): Handle JUMP_INSN inside a sequence.
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From-SVN: r12554
1996-07-23 17:04:53 -07:00
1075dedade
Skip inappropriate LOG_LINK entries when looking for reg-setting call
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insn
From-SVN: r12442
1996-07-13 04:55:16 +00:00
20fef67b3a
(calc_live_regs): For pragma_interrupt case...
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(calc_live_regs): For pragma_interrupt case, exclude call
clobbered regs that are fixed, explicitly add MACH_REG and MACL_REG.
From-SVN: r12415
1996-07-08 15:33:09 -07:00
9c0e838fa0
Don't call ADJUST_INSN_LENGTH on an insn inside a sequence
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From-SVN: r12336
1996-06-27 15:05:07 +00:00
e4fa6b06f0
Align code at the start of loops and after branches.
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Align code at the start of loops and after branches. Don't accept
negative zero in fp_zero_operand.
From-SVN: r12155
1996-06-04 18:13:21 +00:00
adade86813
(output_file_start): Delete misplaced semicolon.
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From-SVN: r12061
1996-05-20 11:00:02 -07:00
e22856e8fb
(prepare_move_operands): If source is r0, and dest is reg+reg
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MEM, then copy source to a pseudo-reg.
From-SVN: r12036
1996-05-18 17:34:10 -07:00
d787aec5bd
sh.c (output_option, [...]): Delete.
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* sh/sh.c (output_option, m_options, output_options): Delete.
(output_file_start): Delete option output support.
From-SVN: r12002
1996-05-17 16:31:43 +00:00
cff3d762dc
(gen_shifty_op): Truncate VALUE to avoid out of bounds array access.
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From-SVN: r11947
1996-05-06 16:39:46 -07:00
119d0c36a6
(process_pragma): Take the IDENTIFIER_POINTER tree
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node instead of a character.
From-SVN: r11840
1996-04-17 12:11:28 -07:00
8b760293d7
(reg_unused_after): Return 0 if see a JUMP_INSN.
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From-SVN: r11501
1996-03-08 11:10:35 -08:00
3adbde603a
(find_barrier): Set si_limit to 1018 instead of 1020, and
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hi_limit to 510 instead of 512.
From-SVN: r11464
1996-03-05 15:28:32 -08:00
c1e8e6bd23
(machine_dependent_reorg): In TARGET_RELAX code...
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(machine_dependent_reorg): In TARGET_RELAX code, when scan
forward from LINK, fail if pass a CODE_LABEL before finding INSN.
Fail if SCAN not INSN is a JUMP_INSN.
From-SVN: r11419
1996-03-04 14:37:57 -08:00
1a95a96373
(ctype.h): Delete.
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(regno_reg_class, reg_class_from_letter, prepare_scc_operands,
broken_move, push, pop, push_regs, calc_live_regs, sh_expand_prologue,
sh_expand_epilogue, initial_elimination_offset, arith_reg_operand):
Add SH3e support.
(sh_builtin_saveregs, fp_zero_operand, fp_one_operand): New functions.
(sh_function_arg, sh_function_arg_partial_nregs): Delete.
From-SVN: r11068
1996-01-18 14:41:00 -08:00
05a81fe58a
c-lex.c (check_newline): Pass character after `#pragma' to HANDLE_PRAGMA.
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* c-lex.c (check_newline): Pass character after `#pragma' to
HANDLE_PRAGMA. Don't call get_directive_line if at end of line.
* c-common.c (get_directive_line): Watch for EOF.
* h8300/h8300.h (HANDLE_PRAGMA): New argument `c'.
Must issue `return' now.
* i960/i960.h (HANDLE_PRAGMA): Likewise.
* sh/sh.h (HANDLE_PRAGMA): Likewise.
* nextstep.h (HANDLE_PRAGMA): Likewise.
* h8300/h8300.c (handle_pragma): New argument `ch'.
Simplify pragma processing. Delete support for `#pragma section'.
* i960/i960.c (process_pragma): New argument `c'. Change result to
terminating character.
* nextstep.c (handle_pragma): Likewise.
* sh/sh.c (handle_pragma): Likewise. Also simplified.
From-SVN: r10999
1996-01-15 22:25:24 +00:00
c17f53a8cb
(gen_shifty_op): Output a NOP for a shift by 0.
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(find_barrier): New variables si_limit, hi_limit. Set them depending
on whether we are optimizing. Set found_hi if the destination is
HImode.
(machine_dependent_reorg): If not optimizing, then change scan to a
note instead of calling delete_insn.
From-SVN: r10937
1996-01-02 13:27:38 -08:00
49b6d06b41
(shiftcosts): For SH3, max cost of arithmetic right shift is 3.
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(shiftcosts): For SH3, max cost of arithmetic right
shift is 3.
(expand_ashiftrt): For SH3, if shift cost is more than 3, then
call gen_ashrsi3_d to use shad instruction.
From-SVN: r10674
1995-12-04 18:28:45 -08:00
24a25d4575
(from_compare): Get mode from operands instead of using SImode.
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From-SVN: r10659
1995-11-30 17:02:34 -08:00
933c3ba3e7
(noncall_uses_reg): New function.
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(machine_dependent_reorg): Add support for TARGET_RELAX.
(final_prescan_insn): Likewise.
From-SVN: r10651
1995-11-30 12:47:56 -08:00
956a5206b0
(insn-attr.h): Include.
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(pragma_nosave_low_regs): New global variable.
(calc_live_regs): If SH3 and pragma_nosave_low_regs, then don't
save registers r0 through r7 for interrupt functions.
(function_epilogue): Clear pragma_nosave_low_regs.
(handle_pragma): Set pragma_nosave_low_regs if see pragma for it.
From-SVN: r10649
1995-11-30 12:31:06 -08:00
9374bd85eb
(prepare_scc_operands): New local variable mode.
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(prepare_scc_operands): New local variable mode. Set it from
sh_compare_op0 or sh_compare_op1. Use it instead of SImode in
force_reg calls.
From-SVN: r10500
1995-10-21 18:31:06 -04:00
c8f6f18d84
(reg_unused_after): Ifdef out code for handling labels.
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From-SVN: r10499
1995-10-21 18:29:14 -04:00
e081ed261f
(find_barrier): When create new label, set LABEL_NUSES to 1.
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From-SVN: r10497
1995-10-21 18:25:06 -04:00
J"orn Rennecke
Joern Rennecke
Jeff Law
Jim Wilson
Ian Lance Taylor
Doug Evans
Richard Kenner