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* Use byte offsets in SUBREGs instead of words.Jakub Jelinek2001-04-031-56/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2001-04-03 Jakub Jelinek <jakub@redhat.com> David S. Miller <davem@pierdol.cobaltmicro.com> Andrew MacLeod <amacleod@redhat.com> Use byte offsets in SUBREGs instead of words. * alias.c (nonlocal_mentioned_p): Use subreg_regno function. * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno to pass new argument. (add_stored_regs): Use subreg_regno_offset function. * calls.c (expand_call): For non-paradoxical SUBREG take endianess into account. (precompute_arguments): Use gen_lowpart_SUBREG. * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG. (combine_simplify_rtx): Rework to use SUBREG_BYTE. (simplify_set): Rework to use SUBREG_BYTE. (expand_field_assignment): Use SUBREG_BYTE. (make_extraction): Use SUBREG_BYTE. (if_then_else_cond): Use SUBREG_BYTE. (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments. (gen_lowpart_for_combine): Compute full byte offset. * cse.c (mention_regs): Use SUBREG_BYTE. (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE. (canon_hash): Use SUBREG_BYTE. (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword. (gen_lowpart_if_possible): Formatting. * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos correctly. * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG (loc_descriptor): Fixup explicit XEXP into SUBREG_REG * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify certain invariants about SUBREGs the compiler creates. (gen_lowpart_SUBREG): New function. (subreg_hard_regno): New function to get the final register number. (gen_lowpart_common): Use SUBREG_BYTE. (gen_imagpart): Spacing nits. (subreg_realpart_p): Use SUBREG_BYTE. (gen_highpart): Use SUBREG_BYTE. (subreg_lowpart_p): Always compute endian corrected goal offset, even at the byte level, then compare against that. (constant_subword): New function, pulled out all constant cases from operand_subword and changed second argument name to offset. (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early and call constant_subword to do the work. Return const0_rtx if looking for a word outside of OP. (operand_subword_force): Change second arg name to offset. * expmed.c (store_bit_field): Use SUBREG_BYTE. (store_split_bit_field): Use SUBREG_BYTE. (extract_bit_field): Use SUBREG_BYTE. (extract_split_bit_field): Use SUBREG_BYTE. (expand_shift): Use SUBREG_BYTE. * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG. * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE. * flow.c (set_noop_p): Use SUBREG_BYTE. (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead. * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG. (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian correction code. (optimize_bit_field): Use SUBREG_BYTE. (purge_addressof_1): Use SUBREG_BYTE. (purge_single_hard_subreg_set): Use subreg_regno_offset function. (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true. * gengenrtl.c (special_rtx): Add SUBREG. * global.c (mark_reg_store): Use SUBREG_BYTE. (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE. * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE. * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure final byte offset is congruent to subreg's mode size. (subst_constants): Use SUBREG_BYTE. (mark_stores): Use subreg_regno_offset function. * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset function and SUBREG_BYTE. * local-alloc.c (combine_regs): Use subreg_regno_offset function. (reg_is_born): Use subreg_hard_regno. * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte endian correction code. Don't combine subregs unless resulting offset aligns with type. Fix subreg constant extraction for DImode. Simplify SUBREG of VOIDmode CONST_DOUBLE. (general_operand): Remove dead mode_altering_drug code. (indirect_operand): Use SUBREG_BYTE. (constrain_operands): Use subreg_regno_offset function. * reg-stack.c (get_true_reg): Use subreg_regno_offset function. * regmove.c (regmove_optimize): Use SUBREG_BYTE. (optimize_reg_copy_3): Use gen_lowpart_SUBREG. * regs.h (REG_SIZE): Allow target to override. (REGMODE_NATURAL_SIZE): New macro which target can override. * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used on the entire subreg rtx. (push_reload): Use SUBREG_BYTE in comments and code. (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets for hard registers inside subregs. (operands_match_p): Use subreg_regno_offset. (find_reloads): Use SUBREG_BYTE and only advance offset for subregs containing hard regs. (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian corrections when fixing up MEM subregs. (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and subreg_regno_offset where appropriate. (find_reloads_subreg_address): Use SUBREG_BYTE. Remove byte endian corrections when fixing up MEM subregs. (subst_reloads): When combining two subregs, make sure final offset is congruent to subreg's mode size. (find_replacement): Use SUBREG_BYTE and subreg_regno_offset. (refers_to_regno_for_reload_p): Use subreg_regno. (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset. * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian correction code for memory subreg fixups. (forget_old_reload_1): Use subreg_regno_offset. (choose_reload_regs): Use subreg_regno. (emit_input_reload_insns): Use SUBREG_BYTE. (reload_combine_note_store): Use subreg_regno_offset. (move2add_note_store): Use subreg_regno_offset. * resource.c (update_live_status, mark_referenced_resources): Use subreg_regno function. (mark_set_resources): Use subreg_regno function. * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE. (subreg_regno_offset, subreg_regno): Define prototypes. (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions. (gen_lowpart_SUBREG): Add prototype. * rtl.texi (subreg): Update to reflect new byte offset representation. Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now. * rtlanal.c (refers_to_regno_p): Use subreg_regno. (reg_overlap_mentioned_p): Use subreg_regno. (replace_regs); Make sure final offset of combined subreg is congruent to size of subreg's mode. (subreg_regno_offset): New function. (subreg_regno): New function. * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE. * sdbout.c (sdbout_symbol): Compute offset using alter_subreg. * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG. * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead. (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides. * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno. (a29k_get_reloaded_address): Use SUBREG_BYTE. (print_operand): Use SUBREG_BYTE. * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE. * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE. (arm_reload_out_hi): Use SUBREG_BYTE. * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset instead of SUBREG_WORD. (d30v_print_operand_memory_reference): Use subreg_regno_offset. * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix SUBREG creation to use byte offset. * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit inverted load insns): Fix explicit rtl subregs to use byte offsets. * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3, udivsi3, umodsi3): Generate SUBREGs with byte offsets. * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE. * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl to use byte offsets. (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets. * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte offsets, also make sure it is congruent to SUBREG's mode size. (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2, unnamed ldob insn): Generate SUBREGs with byte offset. (zero_extendqihi2): SUBREG's are byte offsets. * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE. (m68hc11_gen_highpart): Use SUBREG_BYTE. * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2, zero-extendqisi2): Generate SUBREGs with byte offset. (umulsidi3, mulsidi3, subreghi1ashrdi_const32, subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit subregs in rtl to use byte offsets. * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset. * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset. (mips_move_2words): Use subreg_regno_offset. (mips_secondary_reload_class): Use subreg_regno_offset. * config/mips/mips.md (DImode plus, minus, move, and logical op splits): Fixup explicit subregs in rtl to use byte offsets. * config/mn10200/mn10200.c (print_operand): Use subreg_regno function. * config/mn10300/mn10300.c (print_operand): Use subreg_regno function. * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in rtl to use byte offsets. * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE. * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit subregs to use byte offsets. * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1): Fixup explicit subregs in rtl to use byte offsets. * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE and remove byte endian correction code. * config/sh/sh.c (output_movedouble): Use subreg_regno. (gen_ashift_hi): Use SUBREG_BYTE. (regs_used): Use subreg_regno_offset. (machine_dependent_reorg): Use subreg_regno_offset. * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE. * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno. (movdf_i4): Subregs are byte offsets now. * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE. * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed. (REGMODE_NATURAL_SIZE): Override. (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode. * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs with byte offsets. (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2, extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn, extendqidi2): Generate SUBREGs with byte offsets, also make sure it is congruent to SUBREG's mode size. (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte offsets. (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc, cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2, lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper SUBREG_BYTE offset for non-paradoxical subregs in patterns. * config/v850/v850.c (print_operand, output_move_double): Use subreg_regno function. Co-Authored-By: Andrew MacLeod <amacleod@redhat.com> Co-Authored-By: David S. Miller <davem@pierdol.cobaltmicro.com> From-SVN: r41058
* combine.c (distribute_notes): If non-call exceptions, put the note on the ↵Richard Henderson2001-03-271-0/+19
| | | | | | | | | trapping instruction. * combine.c (distribute_notes) [REG_EH_REGION]: If non-call exceptions, put the note on the trapping instruction. From-SVN: r40907
* combine.c (try_combine): Use memcpy, not bcopy.Kaveh R. Ghazi2001-03-261-2/+2
| | | | | | | | * combine.c (try_combine): Use memcpy, not bcopy. * genattrtab.c (expand_units): Likewise. From-SVN: r40849
* mkconfig.sh: Include insn-flags.h.Richard Henderson2001-03-221-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * mkconfig.sh: Include insn-flags.h. * Makefile.in (CONFIG_H): Include insn-flags.h. (lots of objects): Remove insn-codes.h and insn-flags.h. * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c, integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c, regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c, avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c, dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c, i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c: Don't include insn-flags.h. * diagnostic.c, expr.h, reload.c, toplev.c: Don't include insn-codes.h. * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c, final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c, c4x/c4x.c, i960/i960.c, mips/mips.c: Don't include insn-codes.h or insn-flags.h. * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h or insn-flags.h in the generated code. * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx". (main): Forward declare struct rtx_def. From-SVN: r40754
* defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...Richard Henderson2001-03-181-13/+0
| | | | | | | | | * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ... * calls.c: ... here. * combine.c, expr.c, final.c, function.c toplev.c: Don't provide defaults for them here. From-SVN: r40603
* combine.c (undobuf): Remove field previous_undos; all refs deleted.Richard Kenner2001-03-171-243/+168
| | | | | | | | * combine.c (undobuf): Remove field previous_undos; all refs deleted. (gen_rtx_combine): Deleted; all references changed as appropriate. (gen_unary): Deleted; all refs changed to call simplify_gen_unary. From-SVN: r40577
* combine.c (try_combine): Fix error in change to try original register.Richard Kenner2001-03-111-22/+9
| | | | | | | | * combine.c (try_combine): Fix error in change to try original register. (gen_rtx_combine): Do same as gen_rtx for now. From-SVN: r40390
* Brad's -ffast-math breakup.Brad Lucier2001-03-071-5/+5
| | | | From-SVN: r40300
* combine.c (try_combine): If split with mode-changed scratch register didn't ↵J"orn Rennecke2001-03-031-0/+9
| | | | | | | | | work, try the original mode. * combine.c (try_combine): If split with mode-changed scratch register didn't work, try the original mode. From-SVN: r40201
* xm-lynx.h, [...]: Do not define TRUE or FALSE.Zack Weinberg2001-03-021-85/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h, config/a29k/xm-unix.h, config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h, config/clipper/xm-clix.h, config/convex/xm-convex.h, config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, config/h8300/xm-h8300.h, config/i370/xm-i370.h, config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h, config/i386/xm-aix.h, config/i386/xm-i386.h, config/i386/xm-osf.h, config/i860/xm-i860.h, config/i960/xm-i960.h, config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, config/m68k/xm-m68k.h, config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h, config/romp/xm-romp.h, config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h, config/we32k/xm-we32k.h: Do not define TRUE or FALSE. * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made empty by above change. * config.gcc: Remove references to these files. * configure.in: Detect stdbool.h. * configure, config.in: Regenerate. * system.h: Include stddef.h here if available. Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then set up a sensible boolean type at the very end. * combine.c, cse.c, expr.c, fold-const.c, gensupport.c, f/com.c, config/mcore/mcore.c: Rename variables named 'true' and/or 'false'. * hash.h: Delete 'boolean' typedef and related #undefs. * f/proj.h: Delete 'bool' type. Don't include stddef.h here. * function.c, ggc-common.c, hash.h, hash.c, tlink.c, cp/decl.c, java/class.c, java/decl.c, java/java-tree.h: Replace all uses of 'boolean' with 'bool'. From-SVN: r40176
* combine.c (known_cond): Do not reverse the condition when SMAX/UMAX is being ↵Jason Eckhardt2001-02-271-1/+6
| | | | | | | | | | | | considered and the... * combine.c (known_cond): Do not reverse the condition when SMAX/UMAX is being considered and the condition is for equality or inequality. * testsuite/gcc.c-torture/execute/20010221-1.c: New test. From-SVN: r40077
* optabs.c (expand_abs): Remove reference to HAVE_contitional_arithmetic.Lars Brinkhoff2001-02-181-63/+0
| | | | | | | | * optabs.c (expand_abs): Remove reference to HAVE_contitional_arithmetic. * combine.c (simplify_set): Likewise. From-SVN: r39844
* combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.Alexandre Oliva2001-02-131-4/+11
| | | | | | | * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro. (try_combine): Use it. From-SVN: r39624
* combine.c (nonzero_bits, case PLUS): If pointers extend unsigned and this is ↵Richard Kenner2001-02-061-1/+24
| | | | | | | | | | | | | | | | | | | the sum of a pointer and a constant... * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned and this is the sum of a pointer and a constant, we know the result did not overflow. (num_sign_bit_copies, case PLUS): Likewise. * explow.c (convert_memory_address): Remove opposite SUBREG. * function.c (instantiate_new_reg): New function (from common code). (instantiate_virtual_regs_1): Call it. For PLUS, handle if (plus (subreg (virt-reg) (const_int)) if pointers sign- or zero-extend. * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND): If pointers extend unsigned, use inside of SUBREG. (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend. From-SVN: r39489
* combine.c (try_combine): Fix SUBREG setting for HOST_BITS_PER_WIDE_INT >= 2 ↵Alexandre Oliva2001-01-301-2/+25
| | | | | | | | | * BITS_PER_WORD. * combine.c (try_combine): Fix SUBREG setting for HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD. From-SVN: r39355
* combine.c (if_then_else_cond): Pass the correct mode to operand_subword() ↵DJ Delorie2001-01-291-2/+4
| | | | | | | | | for constants. * combine.c (if_then_else_cond): Pass the correct mode to operand_subword() for constants. From-SVN: r39342
* configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.Kaveh R. Ghazi2001-01-281-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h. * Makefile.in: Remove all dependencies on defaults.h. * builtins.c: Don't include defaults.h. * c-common.c: Likewise. * c-decl.c: Likewise. * c-pragma.c: Likewise. * c-typeck.c: Likewise. * combine.c: Likewise. * i386.c: Likewise. * frame-ia64.c: Likewise. * cppexp.c: Likewise. * crtstuff.c: Likewise. * dbxout.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * frame-dwarf2.c: Likewise. * libgcc2.c: Likewise. * optabs.c: Likewise. * profile.c: Likewise. * sdbout.c: Likewise. * toplev.c: Likewise. * tradcif.y: Likewise. * tree.c: Likewise. * varasm.c: Likewise. ch: * Makefile.in: Remove all dependencies on defaults.h. * decl.c: Don't include defaults.h. * timing.c: Likewise. cp: * Make-lang.in: Remove all dependencies on defaults.h. * call.c: Don't include defaults.h. * decl.c: Likewise. * decl2.c: Likewise. * except.c: Likewise. * pt.c: Likewise. * rtti.c: Likewise. * tree.c: Likewise. * typeck.c: Likewise. f: * Make-lang.in: Remove all dependencies on defaults.h. * com.c: Don't include defaults.h. java: * Make-lang.in: Remove all dependencies on defaults.h. * decl.c: Don't include defaults.h. * expr.c: Likewise. * parse.y: Likewise. From-SVN: r39308
* combine.c (combine_simplify_rtx): If the modes are all VOIDmode, check the ↵DJ Delorie2001-01-241-1/+5
| | | | | | | | | | original operand's mode also. * combine.c (combine_simplify_rtx): If the modes are all VOIDmode, check the original operand's mode also. * simplify-rtx.c (simplify_ternary_operation): Ditto. From-SVN: r39247
* combine.c (try_combine): Don't set i3_subst_into_i2 for case of making new ↵Richard Kenner2001-01-171-3/+5
| | | | | | | | | | double-word constant. * combine.c (try_combine): Don't set i3_subst_into_i2 for case of making new double-word constant. Revert last change: instead just test i3_subst_into_i2. From-SVN: r39094
* combine.c (try_combine): If i3_subst_into_i2, properly check for I3 having ↵Richard Kenner2001-01-161-1/+1
| | | | | | | | | more than one SET. * combine.c (try_combine): If i3_subst_into_i2, properly check for I3 having more than one SET. From-SVN: r39077
* combine.c (simplify_comparison): Don't change `code' when can't reverse ↵Geoffrey Keating2001-01-141-5/+11
| | | | | | | | | comparison. * combine.c (simplify_comparison): Don't change `code' when can't reverse comparison. From-SVN: r39007
* combine.c (reversed_comparison): Fix typo in last patch.Andreas Jaeger2001-01-121-3/+3
| | | | | | | | | | | * combine.c (reversed_comparison): Fix typo in last patch. Check X for NULL. (combine_reversed_comparison_code): Make static to follow prototype declaration. Co-Authored-By: Jan Hubicka <jh@suse.cz> From-SVN: r38942
* i386.c (ix86_comparison_operator, [...]): Convert fp comparison codes to ↵Jan Hubicka2001-01-111-90/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | integer before handling. * i386.c (ix86_comparison_operator, fcmov_comparison_operator, put_condition_code): Convert fp comparison codes to integer before handling. (ix86_expand_fp_compare): Postnote the fp comparison code converison to final. * i386.c (unsigned_comparison, no_comparison_operator): Kill. * i386-protos.h (no_comparison_operator): Kill. * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. * combine.c (REVERSIBLE_CC_MODE): Remove. (reversible_comparison_p): Remove. (combine_reversed_comparison_code): New. (reversed_comparison): New. (combine_simplify_rtx): Use combine_reversed_comparison_code/reversed_comparison instead of reversible_comparison_p. (simplify_if_then_else): Likewise. (simplify_set): Likewise. (simplify_logical): Likewise. (if_then_else_cond): Likewise. (known_cond): Likewise. (simplify_comparison): Likewise. From-SVN: r38930
* combine.c (combine_simplify_rtx): Recognize the unordered compares.Jan Hubicka2001-01-071-9/+27
| | | | | | | | | | | | * combine.c (combine_simplify_rtx): Recognize the unordered compares. (nonzero_bits): Likewise. (simplify_comparison): Likewise. (num_sign_bit_copies): Likewise; return more sane value depending on STORE_FLAG_VALUE. (known_cond): Do not assume EQ to be always true for equivalent operands. From-SVN: r38774
* combine.c (simplify_shift_const): Even if we're sign-extracting...Alexandre Oliva2001-01-031-4/+9
| | | | | | | * combine.c (simplify_shift_const): Even if we're sign-extracting, don't discard an ASHIFTRT if we're shifting in a wider mode. From-SVN: r38648
* * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.Graham Stott2000-12-211-0/+9
| | | | From-SVN: r38422
* combine.c (cant_combine_insn_p): Get around SUBREGs when determining ↵Jan Hubicka2000-12-151-0/+4
| | | | | | | | | hardreg<->reg moves. * combine.c (cant_combine_insn_p): Get around SUBREGs when determining hardreg<->reg moves. From-SVN: r38285
* Further tweak cant_combine_insn_pBernd Schmidt2000-12-011-38/+13
| | | | From-SVN: r37915
* combine.c (try_combine): Disregard USEs when updating LOG_LINKS of ↵Alexandre Oliva2000-12-011-1/+2
| | | | | | | | | subsequent insns. * combine.c (try_combine): Disregard USEs when updating LOG_LINKS of subsequent insns. From-SVN: r37905
* function.h (emit_status): Delete member regno_pointer_flag and rename ↵John David Anglin2000-11-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | regno_pointer_flag_length to... * function.h (emit_status): Delete member regno_pointer_flag and rename regno_pointer_flag_length to regno_pointer_align_length. Delete define for REGNO_POINTER_FLAG. * integrate.h (inline_remap): Delete member regno_pointer_flag. Add member x_regno_reg_rtx. * rtl.h (rtx_def): Use frame_related bit to indicate register is a pointer in REG expressions. Define REG_POINTER macro. * alias.c (find_base_value, find_base_term): Use REG_POINTER instead of REGNO_POINTER_FLAG. * combine.c (nonzero_bits, num_sign_bit_copies): Likewise. * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead of regno_pointer_flag_length. Remove code which refers to regno_pointer_flag. (mark_reg_pointer): Use REG_POINTER. (free_emit_status): Remove code which refers to regno_pointer_flag. (init_emit, mark_emit_status): Likewise. * flow.c (dump_flow_info): Likewise. * function.c (preserve_temp_slots): Likewise. * integrate.c (expand_inline_function, copy_rtx_and_substitute): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER. * predict.c (estimate_probability): Likewise. * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise. * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use REG_POINTER. * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand): Use REG_POINTER. (restore_unscaled_index_insn_codes): Revise comment. From-SVN: r37863
* * combine.c (try_combine): Remove redundant test.Zack Weinberg2000-11-261-16/+13
| | | | From-SVN: r37750
* Avoid hard register combinationsBernd Schmidt2000-11-241-7/+49
| | | | From-SVN: r37704
* alias.c [...] (init_alias_analysis, [...]): Use memset () instead of bzero ().Joseph Myers2000-11-071-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * alias.c (init_alias_analysis), calls.c (expand_call, emit_library_call_value_1), combine.c (init_reg_last_arrays), cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c (init_output_buffer, set_diagnostic_context), dwarf2out.c (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c (init_emit_once), fold-const.c (mul_double, div_and_round_double), function.c (assign_parms), gcse.c (compute_can_copy, alloc_gcse_mem, alloc_reg_set_mem, record_one_set, compute_hash_table, compute_set_hash_table, compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, clear_units, schedule_block), integrate.c (initialize_for_inline, expand_inline_function), jump.c (thread_jumps), local-alloc.c (local_alloc), loop.c (combine_movables, count_loop_regs_set, load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), regclass.c (init_reg_sets, init_reg_sets_1, regclass, record_reg_classes, allocate_reg_info), reload.c (get_secondary_mem, remove_address_replacements, find_reloads), reload1.c (reload, set_initial_label_offsets, finish_spills, reload_as_needed, choose_reload_regs_init, reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c (rename_registers), stmt.c (expand_end_case), unroll.c (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset () instead of bzero (). ch: * actions.c (check_missing_cases), typeck.c (build_chill_slice, build_chill_cast): Use memset () instead of bzero (). cp: * class.c (duplicate_tag_error, build_vtbl_initializer), decl.c (push_binding_level), error.c (cp_tree_printer), pt.c (process_partial_specialization, tsubst_template_arg_vector), search.c (lookup_member): Use memset () instead of bzero (). java: * expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c (init_outgoing_cpool), lex.c (java_init_lex): Use memset () instead of bzero (). From-SVN: r37303
* * combine.c (distribute_notes): Fix typo in last change.J"orn Rennecke2000-11-071-1/+1
| | | | From-SVN: r37296
* combine.c (recog_for_combine): Allocate uninitialized vector with rtvec_alloc.J"orn Rennecke2000-11-071-4/+4
| | | | | | | | * combine.c (recog_for_combine): Allocate uninitialized vector with rtvec_alloc. * recog.c (apply_change_group): Likewise. From-SVN: r37285
* flow.c (verify_local_live_at_start): Back out last change.J"orn Rennecke2000-11-071-0/+29
| | | | | | | | | | * flow.c (verify_local_live_at_start): Back out last change. * combine.c (distribute_notes): When parts of a hard reg are neither set nor referenced in PLACE, search backwards for a place to put a REG_UNUSED note; if none found, ask for flow info refresh. From-SVN: r37284
* combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1.J"orn Rennecke2000-11-021-59/+22
| | | | | | | | | | * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1. In REG_DEAD handling: When handling parts of multi-hard-reg hard registers, increment the loop counter by the size of the parts; use recursion to handle individual parts. From-SVN: r37211
* combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL when ↵Alexandre Oliva2000-10-241-0/+8
| | | | | | | | | deleting libcall sequence collapsed to... * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL when deleting libcall sequence collapsed to a single instruction. From-SVN: r37037
* combine.c (struct undo): Change int to unsigned int.Richard Kenner2000-10-201-10/+14
| | | | | | | | | * combine.c (struct undo): Change int to unsigned int. (do_SUBST_INT): Args are unsigned int. (make_extraction, force_to_mode): Use proper type when forming mask. (make_field_assignment): Likewise. From-SVN: r36967
* Remove obstacks.Mark Mitchell2000-10-131-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (ggc-callbacks.o): Remove target. (flow.o): Depend on GGC_H. * alias.c (init_alias_analysis): Remove ggc_p conditionals. (end_alias_analysis): Likewise. * basic-block.h (init_flow): New function. (allocate_reg_life_data): Declare. * bb-reorder.c (function_obstack): Replace with ... (flow_obstack): ... new variable. (fixup_reorder_chain): Use it. * c-decl.c (ggc_p): Remove. (caller-save.c): Don't call oballoc/obfree. * combine.c (struct undobuf): Remove storage. (try_combine): Don't call oballoc. (undo_all): Don't call obfree. * cse.c (insert): Use xmalloc, not oballoc. (cse_main): Adjust accordingly. * dwarf2out.c (save_rtx): Remove obstack code. (dwarf2out_init): Remove ggc_p conditionals. * emit-rtl.c (rtl_obstack): Remove. (gen_rtx_CONST_INT): Remove ggc_p conditionals. (make_insn_raw): Likewise. (emit_insn_before): Likewise. (emit_insn_after): Likewise. (emit_insn): Likewise. (gen_sequence): Likewise. (copy_insn_1): Remove handling of `b' RTL components. (init_emit_once): Remove ggc_p conditionals. * except.c (create_rethrow_ref): Don't fool with obstacks. (add_partial_entry): Likewise. (call_get_eh_context): Likewise. (begin_protect_partials): Likewise. (protect_with_terminate): Likewise. * explow.c (plus_constant_wide): Likewise. * expr.c (init_expr_once): Likewise. (emit_block_move): Likewise. (clear_storage): Likewise. (expand_expr): Likewise. * flow.c (function_obstack): Remove. (flow_obstack): New variable. (flow_firstobj): Likewise. (create_base_block): Use the flow_obstack. (split_block): Likewise. (split_edge): Likewise. (calculate_global_regs_live): Likewise. (allocate_bb_life_data): Make it static. Likewiwse. (init_flow): New function. (size_int_type_wide): Remove ggc_p conditionals. * function.c (push_function_context_to): Don't call save_tree_status. (pop_function_context_from): Or restore_tree_status. (assign_stack_local_1): Don't call push_obstacks. (find_fixup_replacement): Use xmalloc. (fixup_var_refs_insns): Free the storage. (insns_for_mem_walk): Don't mess with obstacks. (instantiate_decls): Likewise. (trampoline_address): Likewise. (expand_function_end): Likewise. * function.h (sturct function): Remove obstack-related variables. (save_tree_status): Don't declare. (restore_tree_status): Likewise. * gcse.c (compute_can_copy): Don't call oballoc/obfree. * genattrtab.c (operate_exp): Remove ggc_p conditionals. (simplify_cond): Likewise. (simplify_test_exp): Don't mess with obstacks. (optimize_attrs): Likewise. * gengenrtl.c (gendef): Don't include ggc_p conditionals. * ggc-callbacks.c (ggc_p): Remove. * ggc-none.c (ggc_p): Remove. * ggc.h (ggc_p): Don't declare. * integrate.c (save_for_inline): Don't mess with obstacks. (integrate_decl_tree): Likewise. (output_inline_function): Likewise. * lists.c (init_EXPR_INSN_LIST_cache): Likewise. * loop.c (temp_obstack): Remove. (rtl_obstack): Likewise. (init_loop): Don't mess with obstacks. (reg_address_cost): Free BIVs and GIVs. (check_insns_for_bivs): Use xmalloc, not oballoc. (find_mem_givs): Likewise. (record_biv): Likewise. (general_induction_var): Likewise. (product_cheap_p): Likewse. * optabs.c (init_one_libfunc): Remove ggc_p conditional. * print-tree.c (debug_tree): Don't use oballoc/obfree. (print_node): Likewise. * profile.c (output_func_start_profiler): Remove call to temporary_allocation. * reload1.c (eliminate_regs_in_insn): Don't mess with obstacks. * resource.c (mark_target_live_regs): Use xmalloc. (free_resource_info): Free the memory. * rtl.c (rtl_obstack): Remove. (rtvec_alloc): Don't mess with obstacks. (rtx_alloc): Likewise. (rtx_free): Remove. (copy_rtx): Don't handle `b' cases. (read_rtx): Use a local rtl_obstack. * rtl.h (oballoc): Remove. (obfree): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (allocate_bb_life_data): Likewise. (allocate_reg_life_data): Likewise. (rtx_free): Likewise. * sdbout.c (sdbout_queue_anonymous_type): Use tree_cons, not saveable_tree_cons. * simplify-rtx.c (cselib_init): Don't mess with obstacks. * stmt.c (mark_block_nesting): Mark the label_chain. (epxand_label): Use ggc_alloc, not oballoc. (clear_last_expr): Don't mess with obstacks. (expand_decl_cleanup): Likewise. (expand_dcc_cleanup): Likewise. (expand_dhc_cleanup): Likewise. (expand_anon_union_decl): Likewise. (add_case_node): Use xmalloc, not oballoc. (free_case_nodes): New function. (expand_end_case): Call it. * stor-layout.c (layout_type): Don't mess with obstacks. (layout_type): Likewise. * toplev.c (wrapup_global_declarations): Likewise. (compile_file): Remove ggc_p conditionals. (rest_of_compilation): Call init_flow. Remove ggc_p conditionals. (decode_f_option): Remove ggc_p conditionals. * tree.c (function_maybepermanent_obstack): Remove. (maybepermanent_obstack): Likewise. (function_obstack): Likewise. (tmeporary_obstack): Likewise. (momentary_obstack): Likewise. (temp_decl_obstack): Likewise. (saveable_obstack): Likewise. (rtl_obstack): Likewise. (current_obstack): Likewise. (expression_obstack): Likewise. (struct obstack_stack): Likewise. (obstack_stack): Likewise. (obstack_stack_obstack): Likewise. (maybepermanent_firstobj): Likewise. (temporary_firstobj): Likewise. (momentary_firstobj): Likewise. (temp_decl_firstobj): Likewise. (momentary_function_firstobj): Likewise. (all_types_permanent): Likewise. (struct momentary_level): Likewise. (momentary_stack): Likewise. (init_obstacks): Remove initialization of removed obstacks. (save_tree_status): Remove. (restore_tree_status): Likewise. (temporary_allocation): Liekwise. (end_temporary_allocation): Liekwise. (resume_temporary_allocation): Likewise. (saveable_allocation): Likewise. (push_obstacks): Likewise. (push_obstacks_nochange): Likewise. (pop_obstacks): Likewise. (allocation_temporary_p): Likewise. (permanent_allocation): Likewise. (preserve_data): Likewise. (preserve_initializer): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (oballoc): Likewise. (obfree): Likewise. (savealloc): Likewise. (expralloc): Likewise. (print_obstack_name): Likewise. (debug_obstack): Likewise. (object_permanent_p): Likewise. (push_momentary): Likewise. (perserve_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (pop_momentary_nofree): Likewise. (suspend_momentary): Likewise. (resume_momentary): Likewise. (make_node): Don't set TREE_PERMANENT. (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK. Don't set TREE_PERMANENT. (get_identifier): Remove ggc_p conditionals. (build_string): Likewise. (make_tree_vec): Likewise. (build_decl_list): Remove. (build_expr_list): Likewise. (tree_cons): Remove ggc_p conditionals. (decl_tree_cons): Remove. (expr_tree_cons): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (build1): Remove ggc_p conditionals. (build_parse_node): Likewise. (build_type_attribute_variant): Don't mess with obstacks. (build_type_copy): Likewise. (type_hash_canon): Likewise. (build_pointer_type): Likewise. (build_reference_type): Likewise. (build_index_type): Likewise. (build_range_type): Likewise. (dump_tree_statistics): Don't print obstack information. * tree.h (struct tree_common): Remove permanent_flag. (TREE_PERMANENT): Remove. (TREE_SET_PERMANENT): Likewise. (TYPE_OBSTACK): Likewise. (struct tree_type): Remove obstack. (oballoc): Remove. (savealloc): Likewise. (build_decl_list): Likewise. (build_expr_list): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (decl_tree_cons): Likewise. (expr_tree_cons): Likewise. (suspend_momentary): Likewise. (allocation_temporary_p): Likewise. (resume_momentary): Likewise. (push_obstacks_nochange): Likewise. (permanent_allocation): Likewise. (push_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (end_temporary_allocation): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (pop_momentary_nofree): LIkewise. (preserve_momentary): Likewise. (saveable_allocation): Likewise. (temporary_allocation): Likewise. (resume_temporary_allocation): Likewise. (perserve_initializer): Likewise. (debug_obstack): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (obfree): Likewise. * varasm.c (current_obstack): Remove. (saveable_obstack): Remove. (rtl_obstack): Remove. (immed_double_const): Don't mess with obstacks. (immed_real_cons): Likewise. (output_constant_def): Likewise. (init_varasm_status): Use xcalloc. (mark_pool_constant): Mark the pool constant itself. (free_varasm_status): Free memory. (decode_rtx_const): Call bzero directly, rather than expanding it inline. (record_rtx_const): Don't mess with obstacks. (force_const_mem): Likewise. * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p conditionals. (aof_pic_entry): Likewise. * config/ia64/ia64.c (ia64_encode_section_info): Likewise. * config/m32r/m32r.c (m32r_encode_section_info): Likewise. * config/pa/pa.c (saveable_obstack): Remove. (rtl_obstack): Likewise. (current_obstack): Likewise. (output_call): Don't mess with obstacks. (hppa_encode_label): Remove ggc_p conditionals. * config/romp/romp.c (get_symref): Don't mess with obstacks. * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional. (rs6000_encode_section_info): Likewise. * config/sh/sh.c (get_fpscr_rtx): Likewise. From-SVN: r36856
* combine.c (can_combine_p): Don't substitute an ASM_OPERANDS into anything.Geoff Keating2000-09-191-0/+2
| | | | | | | * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS into anything. From-SVN: r36525
* combine.c (simplify_comparison): Shift a NOT out of a single bit test.Richard Henderson2000-09-181-0/+15
| | | | | | | * combine.c (simplify_comparison): Shift a NOT out of a single bit test. From-SVN: r36508
* combine.c (if_then_else_cond): Canonicalize BImode true to STORE_FLAG_VALUE.Richard Henderson2000-09-181-0/+8
| | | | | | | | * combine.c (if_then_else_cond): Canonicalize BImode true to STORE_FLAG_VALUE. * explow.c (trunc_int_for_mode): Likewise. From-SVN: r36507
* combine.c (combine_simplify_rtx): Use gen_unary to distribute the NOT for De ↵Richard Henderson2000-09-181-12/+8
| | | | | | | | | | | Morgan's rule. * combine.c (combine_simplify_rtx): Use gen_unary to distribute the NOT for De Morgan's rule. * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT of a comparison to the reverse comparison. From-SVN: r36506
* * combine.c (try_combine): Allow split to create a single insn.Richard Henderson2000-09-181-5/+11
| | | | From-SVN: r36504
* machmode.def: Add BImode.Richard Henderson2000-09-181-1/+9
| | | | | | | | | | | | | * machmode.def: Add BImode. Add a column for bitsize. * machmode.h (DEF_MACHMODE): Adjust for extra column. (GET_MODE_BITSIZE): Use it. * rtl.c (DEF_MACHMODE): Adjust for extra column. (mode_bitsize): New. (mode_mask_array): Use bitsize. * combine.c (combine_simplify_rtx): Require inner and outer modes to match on nonzero_bits optimizations. From-SVN: r36501
* combine.c (simplify_if_then_else): Don't convert a == b ? b ...Jakub Jelinek2000-09-111-0/+2
| | | | | | | | * combine.c (simplify_if_then_else): Don't convert a == b ? b : a to a if the comparison is floating mode and not -ffast-math. * simplify-rtx.c (simplify_ternary_operation): Likewise. From-SVN: r36326
* Some vector operation simplifications.Bernd Schmidt2000-09-081-0/+39
| | | | From-SVN: r36263
* combine.c (make_extraction): Fix rtx_cost comparison to match the comment.Jan Hubicka2000-09-041-2/+2
| | | | | | | * combine.c (make_extraction): Fix rtx_cost comparison to match the comment. From-SVN: r36131
* Eliminate false DV warnings for predicated calls to noreturn functions.Jim Wilson2000-09-011-0/+1
| | | | | | | | | | | | | | | | | | | | * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN. * combine.c (distribute_notes): Handle REG_NORETURN. * rtl.c (reg_note_name): Add REG_NORETURN. * rtl.h (enum reg_note): Likewise. * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from ia64_file_start. * config/ia64/ia64.c (emit_safe_across_calls): Likewise. (rtx_needs_barrier): Handle unspec_volatile 8 and 9. (emit_predicate_relation_info): Handle conditional calls with REG_NORETURN. * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls instead of ia64_file_start. * config/ia64/sysv4.h (ASM_FILE_START): Likewise. * config/ia64/ia64.md (safe_across_calls_all, save_across_calls_normal): New patterns. From-SVN: r36107