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2004-04-01rtlanal.c (find_reg_note): Manually unswitch the loop.Andrew Pinski1-2/+8
2004-04-01 Andrew Pinski <pinskia@physics.uc.edu> * rtlanal.c (find_reg_note): Manually unswitch the loop. From-SVN: r80347
2004-03-20alias.c, [...]: Replace calls via (*targetm.foo) () with targetm.foo ().Kazu Hirata1-2/+2
* alias.c, attribs.c, bt-load.c, builtins.c, c-common.c, c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c, cse.c, dbxout.c, dwarf2out.c, except.c, final.c, haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c, sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c, vmsdbgout.c: Replace calls via (*targetm.foo) () with targetm.foo (). From-SVN: r79729
2004-03-05rtlanal.c: Include target.h and output.h.Paolo Bonzini1-0/+106
2004-03-05 Paolo Bonzini <bonzini@gnu.org> * rtlanal.c: Include target.h and output.h. (rtx_cost, address_cost, default_address_cost): Move from... * cse.c (rtx_cost, address_cost, default_address_cost): ... this file. * rtl.h (rtx_cost, address_cost): Move under rtlanal.c. * Makefile.in: Adjust dependencies. From-SVN: r78961
2004-03-03alias.c (rtx_equal_for_memref_p): Use predicates to test rtx classes and new ↵Paolo Bonzini1-34/+44
rtx class codes... 2004-02-07 Paolo Bonzini <bonzini@gnu.org> * alias.c (rtx_equal_for_memref_p): Use predicates to test rtx classes and new rtx class codes, possibly splitting conditionals that tested against '<' and 'o'. * caller-save.c (save_call_clobbered_regs): Likewise. * combine.c (contains_muldiv, find_split_point, subst, combine_simplify_rtx, simplify_if_then_else, simplify_set, simplify_logical, expand_compound_operation, make_compound_operation, if_then_else_cond, known_cond, apply_distributive_law, cached_nonzero_bits, cached_num_sign_bit_copies, simplify_shift_const, gen_binary, simplify_comparison, update_table_tick, record_value_for_reg, get_lsat_value_validate): Likewise. * cse.c (mention_regs, find_best_addr, find_comparison_args, fold_rtx, cse_insn, invalidate_memory, cse_basic_block): Likewise. * emit-rtl.c (copy_insn_1): Likewise. * expr.c (force_operand): Likewise. * final.c (final_scan_insn, get_mem_expr_from_op): Likewise. * flow.c (notice_stack_pointer_modification_1, invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond): Likewise. * function.c (update_epilogue_consts): Likewise. * genattrtab.c (attr_rtx_1): Likewise. * genopinit.c (gen_insn): Likewise. * integrate.c (subst_constants): Likewise. * jump.c (reversed_comparison_code_parts, reversed_comparison_code, delete_related_insns, rtx_renumbered_equal_p): Likewise. * local-alloc.c (block_alloc): Likewise. * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv, canonicalize_condition): Likewise. * loop-iv.c (simplify_using_conditions, iv_number_of_iterations): Likewise. * optabs.c (add_equal_node, expand_binop): Likewise. * predict.c (estimate_probability): Likewise. * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise. * recog.c (validate_replace_rtx_1, comparison_operator, offsettable_address_p, constrain_operands): Likewise. * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat): Likewise. * regclass.c (scan_one_insn): Likewise. * regmove.c (stable_and_no_regs_but_for_p): Likewise. * regrename.c (kill_autoinc_value): Likewise. * reload.c (find_reusable_reload, find_reloads, reg_overlap_mentioned_for_reload_p): Likewise. * reload1.c (gen_reload, delete_address_reloads_1): Likewise. * rtl.c (copy_rtx): Likewise. * rtl.h (CONSTANT_P, INSN_P): Likewise. * rtlanal.c (commutative_operand_precedence): Likewise. * sched-deps.c (conditions_mutex_p): Likewise. * sched-rgn.c (is_cfg_nonregular): Likewise. * simplify-rtx.c (simplify_gen_binary, simplify_gen_relational, simplify_replace_rtx, simplify_unary_operation, simplify_binary_operation, simplify_ternary_operation, simplify_rtx): Likewise. * unroll.c (reg_dead_after_loop): Likewise. * config/alpha/alpha.c (alpha_swapped_comparison_operator, print_operand): Likewise. * config/arc/arc.c (proper_comparison_operator): Likewise. * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode): Likewise. * config/avr/avr.c (_reg_unused_after): Likewise. * config/frv/frv.c (frv_ifcvt_modify_tests, frv_ifcvt_modify_insn, frv_pack_insn): Likewise. * config/i386/i386.c (ix86_comparison_operator, ix86_carry_flag_operator, fcmov_comparison_operator, arith_or_logical_operator, print_operand, ix86_expand_binary_operator, ix86_binary_operator_ok): Likewise. * config/i386/i386.md: Likewise. * config/ia64/ia64.c (not_postinc_memory_operand, ia64_print_operand, update_set_flags, errata_emit_nops): Likewise. * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS, CONSTRAINT_OK_FOR_S): Likewise. * config/ip2k/ip2k.c (mdr_resequence_xy_yx, mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref, ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p, ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator): Likewise. * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p, eqne_comparison_operator, signed_comparison_operator): Likewise. * config/mips/mips.c (cmp_op, symbolic_expression_p): Likewise. * config/mmix/mmix (mmix_foldable_comparison_operator, mmix_comparison_operator): Likewise. * config/pa/pa.c (hppa_legitimize_address): Likewise. * config/rs6000/rs6000.c (stmw_operation, branch_comparison_operator, trap_comparison_operator, ccr_bit): Likewise. * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise. * config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):L Likewise. * config/sh/sh.c (gen_block_redirect, reg_unused_after): Likewise. * config/sparc/sparc.c (eq_or_neq, normal_comp_operator, noov_compare_op, noov_compare64_op, v9_regcmp_op, emit_hard_tfmode_operation, reg_unused_after) * doc/md.texi, doc/rtl.texi: Likewise. * ra-debug.c: Add 2004 to list of copyright years. * unroll.c: Likewise. * combine.c (simplify_logical): Remove dummy test, (apply_distributive_law): Fix typo in comment. GET_CODE (x) == AND so x is a commutative binary op. * jump.c (delete_related_insns): simplify loop condition, move testing of RTX codes inside the loop. (rtx_renumbered_equal_p): do not use RTX_CODE. * rtl.c (rtx_class): Declare as enum rtx_class. * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED): Move to RTX_COMM_COMPARE class. (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE): Move to RTX_CONST_OBJ class. * rtl.h (enum rtx_class): New declaration, (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK, RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT, RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK, RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT, RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P, ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P, SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P, OBJECT_P): New macros. * config/sparc/sparc.c (noov_compare_op): Remove register from parameter. From-SVN: r78824
2004-02-27c-decl.c, [...]: Fix comment typos and formatting.Kazu Hirata1-1/+1
* c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c, expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c, params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix comment typos and formatting. Follow spelling conventions. From-SVN: r78555
2004-02-24rtlanal.c (replace_label): Fix replacing labels in constant pool.Josef Zlomek1-7/+4
PR/14240 * rtlanal.c (replace_label): Fix replacing labels in constant pool. From-SVN: r78392
2004-02-18rtlanal.c (rtx_varies_p): Return 0 for NULL_RTXPaul Brook1-1/+5
* rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX testsuite/ * gcc.c-torture/compile/libcall-1.c: New test. From-SVN: r78027
2004-02-17c-common.c, [...]: Fix comment typos.Kazu Hirata1-1/+1
* c-common.c, cfghooks.c, rtlanal.c, varasm.c: Fix comment typos. From-SVN: r77995
2004-02-17Index: ChangeLogGeoffrey Keating1-12/+25
2004-02-16 Geoffrey Keating <geoffk@apple.com> * doc/md.texi (Insn Canonicalizations): Document left-chaining in associative operators. * rtlanal.c (commutative_operand_precedence): Create some new variables. Prefer a commutative operand on the left, then binary expressions, then NEG and NOT. Index: testsuite/ChangeLog 2004-02-16 Geoffrey Keating <geoffk@apple.com> * gcc.c-torture/compile/20040216-1.c: New. From-SVN: r77945
2004-02-05reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs with ↵David Edelsohn1-2/+2
inner_regno, not regno. * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs with inner_regno, not regno. * rtlanal.c (refers_to_regno_p): Same. From-SVN: r77370
2004-02-02rtlanal.c (refers_to_regno_p): Test regno, not inner_regno, against ↵David Edelsohn1-1/+1
FIRST_PSEUDO_REGISTER. * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno, against FIRST_PSEUDO_REGISTER. From-SVN: r77128
2004-02-02rtlanal.c (reg_overlap_mentioned_p): Don't test CONSTANT_P (x).Paolo Bonzini1-12/+19
2004-02-02 Paolo Bonzini <bonzini@gnu.org> * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]: Don't test CONSTANT_P (x). (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART, ZERO_EXTRACT, SIGN_EXTRACT with the switch statement. Fix misindentation. From-SVN: r77105
2004-02-02alias.c (record_set): Use hard_regno_nregs.Jan Hubicka1-15/+16
* alias.c (record_set): Use hard_regno_nregs. * bt-load.c (find_btr_reference, note_btr_set): Likewise. * builtins.c (apply_args_size): Likewise. * caller-save.c (setup_save_areas, save_call_clobbered_regs, mark_set_regs, add_stored_regs, mark_referenced_regs, insert_restore, insert_save, insert_one_insn): Likewise. * cfgcleanup.c: Include regs.h (mark_effect, mentions_nonequal_regs): Likewise. * cfgrtl.c (mark_killed_regs): Likewise * combine.c (update_table_tick, record_value_for_reg, record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p, reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths, reg_bitfield_target_p, distribute_notes): Likewise. * cse.c (mention_regs, insert, invalidate, invalidate_for_call, exp_equiv_p, cse_insn): Likewise. * cselib.c (cselib_lookup): Likewise. (cselib_invalidate_regno, cselib_record_set): Likewise. * df.c (df_ref_record): Likewise. * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor): Likewise. * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg, count_or_remove_death_notes_bb): Likewise. * function.c (aggregate_value_p, keep_stack_depressed): Likewise. * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts, mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise. * integrate.c (mark_stores): Likewise. * jump.c (delete_prior_computation): Likewise. * lcm.c (reg_dies, reg_becomes_live): Likewise. * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise. * loop.c (LOOP_REGNO_NREGS): Likewise. * postreload.c (reload_combine, reload_combine_note_store, reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise. * ra-colorize.c (combine, color_usable_p, get_free_reg, calculate_dont_begin, calculate_dont_begin, colorize_one_web, try_recolor_web, insert_coalesced_conflicts, check_colors, break_precolored_alias): Likewise. * ra-debug.c: Include regs.h (ra_print_rtx_object): Likewise. * ra-rewrite (choose_spill_colors): Likewise. (spill_same_color_p, update_spill_colors, spill_is_free): Likewise. * ra.c (init_ra): Likewise. * recog.c (reg_fits_class_p, peep2_reg_dead_p, peep2_find_free_register): Likewise. * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise. * regclass.c (hard_regno_nregs): New array. (init_reg_modes_once): Initialize it. (choose_hard_reg_mode): Use it. (record_reg_classes): Likewise. * regmove.c (mark_flags_life_zones): Likewise. * regrename.c (note_sets, clear_dead_regs, regrename_optimize, scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno, copy_value, maybe_mode_change, find_oldest_value_reg, copyprop_hardreg_forward_1): * regs.h (hard_regno_nregs): Declare. * realod.c (reload_inner_reg_of_subreg): Use it. (push_reload, combine_reloads, find_dummy_reload, hard_reg_set_here_p, operands_match_p, decompose, find_reloads, refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p, reload_adjust_reg_for_mode): Likewise. * reload1.c (compute_use_by_pseudos, count_pseudo, count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live, spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use, clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p allocate_reload_reg, choose_reload_regs, emit_reload_insns, delete_output_reload): Likewise. * resource.c (update_live_status, mark_referenced_resources, mark_set_resources, mark_target_live_regs): Likewise. * rtlanal.c: Include regs.h (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p, find_regno_note, find_reg_fusage, subreg_regno_offset, subreg_offset_representable_p, hoist_test_store): Likewise. * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise. * sched-rgn.c (check_live_1, update_live_1): Likewise. * stmt.c: Include regs.h (decl_conflicts_with_clobbers_p): Likewise. * varasm.c (make_decl_rtl): Likewise. * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy. From-SVN: r77088
2004-01-22rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.Roger Sayle1-14/+25
* rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb. (subreg_lsb): Change to call new subreg_lsb_1 helper function. * rtl.h (subreg_lsb_1): Prototype here. * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and sign extensions. Co-Authored-By: Paolo Bonzini <bonzini@gnu.org> From-SVN: r76352
2004-01-19re PR rtl-optimization/5263 (a & b & ~a & ~b not optimized)Roger Sayle1-1/+6
PR optimization/5263 * simplify-rtx.c (associative_constant_p): Delete. (simplify_associative_operation): Rewrite to linearize terms, and attempt to simplify new term against both left and right subterms. (simplify_binary_operation): Call swap_commutative_operands_p on op0 and op1, not trueop0 and trueop1. Move the initialization of trueop0 and trueop1 down to where first needed. (simplify_relational_operation): Likewise. * rtlanal.c (commutative_operand_precedence): Also order constant operands using avoid_constant_pool_reference. From-SVN: r76179
2004-01-12re PR rtl-optimization/12826 (Optimizer removes reference through volatile ↵Jan Hubicka1-0/+28
pointer) PR opt/12826 * loop.c (insert_loop_mem): Preffer VOLATILE memory references to be stored. PR opt/12863 * cfgcleanup.c (label_is_jump_target_p): Move to... * rtlanal.c (label_is_jump_target_p): ... here. * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Fix redirecting of fallthru edges unified with branch edges. From-SVN: r75733
2004-01-06alias.c: Fix comment typos.Kazu Hirata1-2/+2
* alias.c: Fix comment typos. * builtins.c: Likewise. * cfg.c: Likewise. * df.c: Likewise. * dominance.c: Likewise. * dwarf2out.c: Likewise. * emit-rtl.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * fold-const.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genrecog.c: Likewise. * gensupport.c: Likewise. * ggc-zone.c: Likewise. * integrate.c: Likewise. * local-alloc.c: Likewise. * loop.c: Likewise. * recog.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reorg.c: Likewise. * rtlanal.c: Likewise. * rtl.h: Likewise. * sched-ebb.c: Likewise. * simplify-rtx.c: Likewise. * toplev.c: Likewise. * varasm.c: Likewise. From-SVN: r75475
2003-10-18rtl.h (rtl_size): Declare.Richard Sandiford1-1/+1
* rtl.h (rtl_size): Declare. (rtunion): Remove rtwint. (rtx_def): Replace 'fld' with a union of an rtunion or a HOST_WIDE_INT. (RTX_HDR_SIZE, RTX_SIZE): New macros. (RTL_CHECK1): Adjust for new rtx_def layout. (RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2): Likewise. (XWINT, XCWINT): Likewise. Access the rtx structure directly. (X0WINT): Remove. (X0ANY): New macro. * rtl.def: Adjust comments for new rtx_def layout. * ggc.h (ggc_alloc_rtx): Take the rtx code as argument, not the number of slots. * rtl.c (rtx_size): New array. (rtx_alloc): Adjust call to ggc_alloc_rtx. Use RTX_HDR_SIZE. (copy_rtx): Use RTX_HDR_SIZE. Adjust for new rtx_def layout. (shallow_copy_rtx): Adjust call to ggc_alloc_rtx. Use RTX_SIZE. * integrate.c (copy_rtx_and_substitute): Use X0ANY to copy '0' fields. * emit-rtl.c (copy_most_rtx): Likewise. (copy_rtx_if_shared): Use RTX_SIZE. (copy_insn_1): Use RTX_HDR_SIZE. Adjust for new rtx_def layout. * gengenrtl.c (gendef): Adjust ggc_alloc_rtx call. Use RTX_HDR_SIZE. * gengtype.c (write_rtx_next): Use RTX_HDR_SIZE. (adjust_field_rtx_def): Expect "rtx_def" to be a union rather than an array. Adjust output for new rtx_def layout. * ggc-page.c (RTL_SIZE): Use RTX_HDR_SIZE. * reload1.c (eliminate_regs): Use RTX_SIZE. * rtlanal.c (loc_mentioned_in_p): Adjust for new rtx_def layout. * gdbinit.in (pi): Likewise. From-SVN: r72647
2003-08-24* rtlanal.c (may_trap_p): Simplify an integer comparison.Kazu Hirata1-3/+1
From-SVN: r70761
2003-08-22cfgcleanup.c: Fix comment typos.Kazu Hirata1-1/+1
* cfgcleanup.c: Fix comment typos. * emit-rtl.c: Likewise. * optabs.c: Likewise. * ra-build.c: Likewise. * rtlanal.c: Likewise. * tree.h: Likewise. From-SVN: r70678
2003-07-21cfgcleanup.c (merge_blocks_move_successor_nojumps): Use tablejump_p.Josef Zlomek1-15/+14
* cfgcleanup.c (merge_blocks_move_successor_nojumps): Use tablejump_p. * rtlanal.c (tablejump_p): Use next_active_insn for finding the jump table. From-SVN: r69637
2003-07-06jump.c: Convert prototypes to ISO C90.Andreas Jaeger1-230/+95
* jump.c: Convert prototypes to ISO C90. * langhooks-def.h: Likewise. Add extern to prototypes. * langhooks.c: Likewise. * langhooks.h: Likewise. * lcm.c: Likewise. * local-alloc.c: Likewise. * loop-init.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. Add extern to prototypes. * machmode.h: Likewise. * main.c: Likewise. * mbchar.c: Likewise. * mbchar.h: Likewise. * mkdeps.c: Likewise. * mkdeps.h: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * output.h: Likewise. * gccspec.c: Likwise. * postreload.c: Likewise. * prefix.c: Likewise. * prefix.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * real.h: Likewise. * recog.c: Likewise. * recog.h: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * resource.h: Likewise. * rtl-error.c: Likewise. * rtl.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. From-SVN: r68998
2003-07-05bt-load.c: Fix comment typos.Kazu Hirata1-1/+1
* bt-load.c: Fix comment typos. * c-incpath.c: Likewise. * cfg.c: Likewise. * cfgcleanup.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * diagnostic.h: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * et-forest.h: Likewise. * expr.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * jump.c: Likewise. * langhooks.h: Likewise. * local-alloc.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * ra-build.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * rtl.def: Likewise. * rtlanal.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * simplify-rtx.c: Likewise. * ssa.c: Likewise. * tracer.c: Likewise. * tree.c: Likewise. From-SVN: r68975
2003-07-01basic-block.h: Fix comment typos.Kazu Hirata1-2/+2
* basic-block.h: Fix comment typos. * bb-reorder.c: Likewise. * c-format.c: Likewise. * cfgcleanup.c: Likewise. * cfghooks.h: Likewise. * cfgloop.c: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.h: Likewise. * cgraphunit.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * dbxout.c: Likewise. * df.c: Likewise. * df.h: Likewise. * diagnostic.c: Likewise. * dwarf2out.c: Likewise. * et-forest.h: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.h: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genautomata.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * loop.c: Likewise. * mips-tfile.c: Likewise. * optabs.c: Likewise. * ra-build.c: Likewise. * ra-colorize.c: Likewise. * ra-rewrite.c: Likewise. * ra.h: Likewise. * regmove.c: Likewise. * reload.c: Likewise. * rtlanal.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-vis.c: Likewise. * sreal.c: Likewise. * ssa-ccp.c: Likewise. * ssa.c: Likewise. * toplev.c: Likewise. * tree-inline.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. From-SVN: r68770
2003-06-29alloc-pool.c: Fix comment formatting.Kazu Hirata1-1/+1
* alloc-pool.c: Fix comment formatting. * bitmap.c: Likewise. * bitmap.h: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * caller-save.c: Likewise. * cfganal.c: Likewise. * cfgrtl.c: Likewise. * collect2.c: Likewise. * cse.c: Likewise. * df.c: Likewise. * diagnostic.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * expmed.c: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * gcc.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * libgcov.c: Likewise. * mips-tfile.c: Likewise. * optabs.c: Likewise. * prefix.c: Likewise. * rtlanal.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * toplev.c: Likewise. * varasm.c: Likewise. * vmsdbgout.c: Likewise. From-SVN: r68672
2003-06-27rtlanal.c (reg_mentioned_p): Return 0 earlier if REG and IN are known to be ↵Kazu Hirata1-2/+0
not equivalent. * rtlanal.c (reg_mentioned_p): Return 0 earlier if REG and IN are known to be not equivalent. From-SVN: r68599
2003-06-27rtl.h (emit_note): Remove FILE parameter.Nathan Sidwell1-1/+1
* rtl.h (emit_note): Remove FILE parameter. * emit-rtl.c (emit_line_note): Adjust emit_note call. (emit_note): Remove FILE parameter. Adjust. * builtins.c (expand_builtin_expect): Adjust emit_note call. * c-semantics.c (genrtl_scope_stmt): Likewise. (expand_stmt): Likewise. * cfglayout.c (reemit_insn_block_notes): Likewise. (duplicate_insn_chain): Likewise. * except.c (expand_eh_region_start, expand_eh_region_end, sjlj_emit_function_enter): Likewise. * explow.c (probe_stack_range): Likewise. * expr.c (emit_block_move_via_loop): Likewise. * function.c (init_function_start, expand_function_start, expand_function_end, thread_prologue_and_epilogue_insns): Likewise. * integrate.c (expand_inline_function, copy_insn_list): Likewise. * reg-stack.c (compensate_edge): Likewise. * reload1.c (reload): Likewise. * rtlanal.c (hoist_insn_to_edge): Likewise. * stmt.c (expand_fixup, expand_start_loop, expand_start_null_loop, expand_loop_continue_here, expand_end_loop, expand_continue_loop, expand_exit_loop_top_cond, expand_value_return, expand_start_bindings_and_block, expand_end_bindings, expand_decl_cleanup, expand_start_case): Likewise. * unroll.c (copy_loop_body * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise. * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise. * config/rs6000/rs6000.c (rs6000_emit_eh_toc_restore, rs6000_emit_allocate_stack, rs6000_output_function_prologue, rs6000_output_function_epilogue, rs6000_output_mi_thunk): Likewise. * config/sh/sh.c (sh_output_mi_thunk): Likewise. * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. * ada/misc.c (record_code_position): Likewise. From-SVN: r68561
2003-06-23ChangeLog.1: Fix a typo.Kazu Hirata1-1/+1
* ChangeLog.1: Fix a typo. * cfgrtl.c: Fix comment typos. * dwarf2out.c: Likewise. * expmed.c: Likewise. * genrecog.c: Likewise. * jump.c: Likewise. * rtlanal.c: Likewise. * ssa-dce.c: Likewise. * toplev.c: Likewise. From-SVN: r68374
2003-06-12re PR middle-end/10557 ([m68k] ICE in subreg_offset_representable_p)Richard Henderson1-8/+2
PR middle-end/10557 * rtlanal.c (subreg_offset_representable_p): Relax subreg check. From-SVN: r67878
2003-05-20* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p)Matt Kraai1-1/+0
(nonlocal_set_p): Remove initial blank line. * dwarf2out.c (simple_type_size_in_bits): Likewise. * et-forest.c (et_forest_create): Likewise. * explow.c (stabilize): Likewise. * fix-header.c (write_lbrac): Likewise. * graph.c (start_fct, node_data): Likewise. * jump.c (only_sets_cc0_p, sets_cc0_p): Likewise. * rtlanal.c (global_reg_mentioned_p): Likewise. * tree.c (bit_position): Likewise. From-SVN: r66984
2003-04-22re PR middle-end/8866 (Bug in switch statement code generation -- missing label)Richard Henderson1-0/+2
PR 8866 * rtl.h (MEM_NOTRAP_P): New. (MEM_COPY_ATTRIBUTES): Copy it. * rtlanal.c (may_trap_p): Check it. * expr.c (do_tablejump): Set it. * doc/rtl.texi (Flags): Document it. * cfgrtl.c (try_redirect_by_replacing_jump): Revert last three changes. From-SVN: r65967
2003-04-19rtlanal.c (subreg_offset_representable_p): Fix call of subreg_lowpart.Jan Hubicka1-5/+8
* rtlanal.c (subreg_offset_representable_p): Fix call of subreg_lowpart. From-SVN: r65817
2003-04-18rtlanal.c (reg_overlap_mentioned_p): Handle ZERO_EXTRACT and SIGN_EXTRACT.Roger Sayle1-1/+3
* rtlanal.c (reg_overlap_mentioned_p): Handle ZERO_EXTRACT and SIGN_EXTRACT. From-SVN: r65782
2003-04-17emit-rtl.c (subreg_hard_regno): Check that register is representable.Jan Hubicka1-0/+71
* emit-rtl.c (subreg_hard_regno): Check that register is representable. * reload.c (reload_inner_reg_of_subreg): When register is not representable, reload the whole thing. (find_reloads): Likewsie. * rtlanal.c (subreg_representable_p): New function. * profile.c (compute_branch_probabilities): Cleanup sanity checking; allow negative probabilities for edges from the call to exit. (branch_prob): Do not add fake edges for functions that may return twice From-SVN: r65757
2003-03-30cfgbuild.c (make_edges): Use tablejump_p.Richard Henderson1-7/+1
* cfgbuild.c (make_edges): Use tablejump_p. * cfgcleanup.c (label_is_jump_target_p): Likewise. * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise. * cfgrtl.c (flow_delete_block_noexpunge): Likewise. (try_redirect_by_replacing_jump): Likewise. (redirect_edge_and_branch): Likewise. * cse.c (fold_rtx): Likewise. * jump.c (delete_related_insns): Likewise. * rtlanal.c (get_jump_table_offset): Likewise. * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): Likewise. From-SVN: r65054
2003-03-15rtl.h (subrtx_p): Renamed to rtx_referenced_p.Josef Zlomek1-24/+71
* rtl.h (subrtx_p): Renamed to rtx_referenced_p. (rtx_pair): Added new element update_label_nuses, renamed to replace_label_data. * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use replace_label_data instead of rtx_pair. * loop.c (load_mems): Likewise. * rtlanal.c (replace_label): Replace label in pool constants and in INSN_LIST (in REG_LABEL note). (subrtx_p): Renamed to rtx_referenced_p. (subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of LABEL_REF with CODE_LABEL, traverse constants from pool. From-SVN: r64419
2003-03-15c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace.Roger Sayle1-1/+1
* c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace. * c-typeck.c (c_tree_expr_nonnegative_p): Likewise. * cfgbuild.c (find_many_sub_basic_blocks): Likewise. (find_sub_basic_blocks): Likewise. * cgraphunit.c (cgraph_expand_functions): Likewise. * dwarf2out.c (prune_unused_types): Likewise. * expr.c (store_field): Likewise. * genextract.c (print_path): Likewise. * haifa-sched.c (schedule_insn): Likewise. * lcm.c (compute_antinout_edge): Likewise. * loop-unroll.c (decide_peel_once_rolling): Likewise. * ra-colorize.c (ra_colorize_free_all): Likewise. * ra-debug.c (dump_igraph): Likewise. (debug_hard_reg_set): Likewise. * reg-stack.c (reg_to_stack): Likewise. * rtlanal.c (refers_to_regno_p): Likewise. * tracer.c (layout_superblocks): Likewise. * cp/tree.c (count_functions): Fix whitespace. * f/ste.c (ffeste_R810): Fix whitespace. From-SVN: r64402
2003-03-14cselib.c (clear_table): Do not take argument; always clear just used slots.Jan Hubicka1-13/+16
* cselib.c (clear_table): Do not take argument; always clear just used slots. (cselib_process_insn): Update call of clear_table (cselib_init): Do not call clear_table. (cselib_finish): Clear table. * cse.c (count_reg_usage): Do not check side_effects_p. * rtlanal.c (set_noop_p): Check side_effects_p only when set looks like noop. (find_reg_equal_equiv_note): Do not use find_reg_note. From-SVN: r64369
2003-03-10cfgcleanup.c (outgoing_edges_match): Compare the jump tables.Josef Zlomek1-0/+85
* cfgcleanup.c (outgoing_edges_match): Compare the jump tables. (try_crossjump_to_edge): Replace refereces to one jump table by references to identical jump table. * loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label. (replace_label): Moved to rtlanal.c. (struct rtx_pair): Moved to rtl.h. * rtl.h (struct rtx_pair): Moved from loop.c. (replace_label): New extern function. (subrtx_p): New extern function. (tablejump_p): New extern function. * rtlanal.c (replace_label): Moved from loop.c. (subrtx_p_1): New static function. (subrtx_p): New function. (tablejump_p): New function. From-SVN: r64096
2003-02-11Fix double applied patch.Richard Henderson1-6/+0
From-SVN: r62728
2003-02-11re PR rtl-optimization/9651 ([Alpha] FPE with NAN in spite of isnan protection)Falk Hueffner1-0/+12
PR optimization/9651 * rtlanal.c (may_trap_p): Handle FIX. From-SVN: r62717
2003-01-17ifcvt.c: Fix comment typos.Kazu Hirata1-1/+1
* ifcvt.c: Fix comment typos. * lcm.c: Likewise. * libgcc2.c: Likewise. * local-alloc.c: Likewise. * loop.c: Likewise. * predict.c: Likewise. * ra-build.c: Likewise. * ra.c: Likewise. * ra-colorize.c: Likewise. * ra.h: Likewise. * ra-rewrite.c: Likewise. * regmove.c: Likewise. * reload.h: Likewise. * rtlanal.c: Likewise. * toplev.c: Likewise. * tree.h: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * vmsdbgout.c: Likewise. From-SVN: r61421
2003-01-09re PR inline-asm/8832 (traditional "asm volatile" code is illegally optimized)Eric Botcazou1-3/+3
PR inline-asm/8832 * tree.h (expand_asm): New prototype. * stmt.c (expand_asm): Set the MEM_VOLATILE_P flag if instructed to do so. * c-semantics (genrtl_asm_stmt): Pass the RID_VOLATILE qualifier down to expand_asm. * c-typeck.c (simple_asm_stmt): Set the RID_VOLATILE qualifier. * rtlanal.c (volatile_insn_p) [ASM_INPUT]: Test the MEM_VOLATILE_P flag. (volatile_refs_p) [ASM_INPUT]: Likewise. (side_effects_p) [ASM_INPUT]: Likewise. From-SVN: r61099
2003-01-08i386.md (adddi3_carry_rex64, [...]): Name pattern.Jan Hubicka1-8/+19
* i386.md (adddi3_carry_rex64, subdi3_carry_rex64): Name pattern. (addhi3_carry, addqi3_carry, subhi3_carry, subqi3_carry): New patterns. (add??cc): New expanders. * i386.c (expand_int_addcc): New function. * i386-protos.h (expand_int_addcc): Declare. * alias.c (memory_modified_1): New static function. (memory_modified): New static varaible. (memory_modified_in_insn_p): New global function. * rtl.h (memory_modified_in_insn_p): Declare. * rtlanal.c (modified_between_p, modified_in_p): Be smart about memory references. * expr.h (emit_conditional_add): Declare. From-SVN: r61038
2002-12-24regmove.c: Fix comment typos.Kazu Hirata1-2/+2
* regmove.c: Fix comment typos. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sched-deps.c: Likewise. * sched-rgn.c: Likewise. * sibcall.c: Likewise. * simplify-rtx.c: Likewise. * ssa-ccp.c: Likewise. * ssa.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * system.h: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * tracer.c: Likewise. * tree-inline.c: Likewise. * tree.c: Likewise. * tree.h: Likewise. * unroll.c: Likewise. * varasm.c: Likewise. From-SVN: r60473
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-10/+98
From-SVN: r60174
2002-09-26c-common.h: Follow spelling conventions.Kazu Hirata1-4/+4
* c-common.h: Follow spelling conventions. * cpplex.c: Likewise. * cpplib.h: Likewise. * gthr-dce.h: Likewise. * gthr-posix.h: Likewise. * optabs.c: Likewise. * output.h: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * ra-rewrite.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. From-SVN: r57555
2002-09-07* rtlanal.c (dead_or_set_regno_p): Fix typo.Graham Stott1-1/+1
From-SVN: r56915
2002-07-28Makefile.in: rtlanal.o now depends upon real.h.Roger Sayle1-3/+16
* Makefile.in: rtlanal.o now depends upon real.h. * flags.h [flag_signaling_nans]: New flag. [HONOR_SNANS]: New macro. * toplev.c [flag_signaling_nans]: Initialize to false. (f_options): Add processing for "-fsignaling-nans". (set_fast_math_flags): Clear flag_signaling_nans with -ffast-math. (process_options): flag_signaling_nans implies flag_trapping_math. * c-common.c (cb_register_builtins): Define __SUPPORT_SNAN__ when -fsignaling-nans. First step to implementing WG14's N965. * fold-const.c (fold) [MULT_EXPR]: Conditionalize transforming 1.0 * x into x, and -1.0 * x into -x on !HONOR_SNANS. [RDIV_EXPR]: Conditionalize x/1.0 into x on !HONOR_SNANS. * simplify-rtx.c (simplify_relational_operation): Conditionalize transforming abs(x) < 0.0 into false on !HONOR_SNANS. * rtlanal.c: #include real.c for TARGET_FLOAT_FORMAT definitions required by HONOR_SNANS. (may_trap_p): Floating point DIV, MOD, UDIV, UMOD, GE, GT, LE, LT and COMPARE may always trap with -fsignaling_nans. EQ and NE only trap for flag_signaling_nans not flag_trapping_math (i.e. HONOR_SNANS but not HONOR_NANS). * doc/invoke.texi: Document new -fsignaling-nans compiler option. From-SVN: r55804
2002-07-24* rtlanal.c (keep_with_call_p): Avoid overflow in fixed_regs.Jan Hubicka1-0/+1
From-SVN: r55710