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truncated_to_mode.
* combine.c (struct reg_stat): Add new fields truncation_label and
truncated_to_mode.
(record_value_for_reg): Reset truncated_to_mode.
(record_truncated_value): New function.
(check_promoted_subreg): Call it. Rename to check_conversions.
(combine_instructions): Rename check_promoted_subreg to
check_conversions.
(reg_truncated_to_mode): New function.
(make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
(gen_lowpart_or_truncate): New function.
(force_to_mode): Use it instead of gen_lowpart.
From-SVN: r109679
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2006-01-11 Ian Lance Taylor <ian@airs.com>
* combine.c (struct undo): Remove is_int. Enumify types of undos.
Allow undoing set of machine mode.
(do_SUBST): Use enums instead of is_int.
(do_SUBST_MODE): New function.
(SUBST_MODE): New macro.
(try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
reg and trying to replace reg_regno_rtx with a new register.
(undo_all): Use new enums, handle undoing a PUT_MODE change.
(simplify_set): Use SUBST_MODE.
(distribute_notes): Remove code that tried to update reg notes
for regno_reg_rtx changes.
From-SVN: r109579
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testsuite failures since 2005121)
gcc:
2006-01-03 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/25578
* combine.c (combine_simplify_rtx, force_to_mode): Don't
pass a parameter to simplify_shift_const if changing ASHIFTRT
to LSHIFTRT.
gcc/testsuite:
2006-01-03 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/25578
* gcc.c-torture/execute/20060102-1.c: New testcase.
From-SVN: r109281
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a set refers to a...
* combine.c (reg_subword_p): New predicate to test whether the
destination of a set refers to a subword/piece of a register.
(try_combine): Generalize the code to merge the setting of a
pseudo to a constant followed by a set of a subword of that
register to a constant.
From-SVN: r109267
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* combine.c (apply_distributive_law <SUBREG>): Check
TRULY_NOOP_TRUNCATION.
From-SVN: r109261
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i686-unknown-linux-gnu)
PR middle-end/25568
* combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
rtl bootstrap failure.
From-SVN: r109064
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2005-12-23 Paolo Bonzini <bonzini@gnu.org>
* combine.c (simplify_shift_const): Fix typo. Use, whenever
applicable, simplify_const_binary_operation.
(simplify_shift_const): Leave only the fallback
case when no simplification is possible. Extract to...
(simplify_shift_const_1): ... here. Always create a new
RTX instead of substituting. Remove the signed_count variable.
Return NULL_RTX if no substitution is possible.
(simplify_and_const_int): Leave only the fallback
case when no simplification is possible. Extract to...
(simplify_and_const_int_1): ... here. Always create a new
RTX instead of substituting. Return NULL_RTX if no substitution
is possible.
(force_to_mode, simplify_comparison): Don't pass a non-NULL first
parameter to simplify_and_const_int and simplify_shift_const,
unless it is equal to the expected non-simplified result.
From-SVN: r109016
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advantage of reassociative...
* combine.c (try_combine): Improve splitting of binary operators
by taking advantage of reassociative transformations.
From-SVN: r108834
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and the exit block is 1.
2005-12-17 Danny Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
* basic-block.h: Changed basic block numbering so that the entry
block is 0 and the exit block is 1. Changed insn iterators so
that they are tolerant of blocks with no insns.
* regrename.c (copyprop_hardreg_forward): Changed basic block
numbering so that the entry block is 0 and the exit block is 1.
* sched-ebb.c (sehedule_ebbs): Ditto.
* tracer.c (branch_ratio_cutoff): Ditto.
* cfgloopmanip.c (fix_loop_structure): Ditto.
* cfghooks.c (verify_flow_info): Ditto.
* cfg.c (compact_blocks): Ditto.
* reorg.c (dbr_schedule): Ditto.
* flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
calculate_dominance_info): Ditto.
* cfganal.c (create_edge_list, print_edge_list,
flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
dfs_enumerate_from): Ditto.
* global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
* ifcvt.c (find_if_case_2): Ditto.
* cfgbuild.c (control_flow_insn_p, count_basic_blocks,
find_basic_blocks): Ditto.
* predict.c (predict_loops, tree_bb_level_predictions,
predict_paths_leading_to, propagate_freq): Ditto.
* lcm.c (compute_antinout_edge, compute_laterin,
compute_available): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (gcse_main, bypass_jumps): Ditto.
* profile.c (compute_branch_probabilities,
compute_value_histograms, branch_prob): Ditto.
* tree-flow-inline.h (bsi_start, bsi_after_labels,
bsi_last): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt,
blocks_in_phiopt_order): Ditto.
* bt-load.c (compute_defs_uses_and_gen, compute_kill,
compute_out, link_btr_uses, migrate_btr_defs): Ditto.
* tree-dfa.c (collect_dfa_stats): Ditto.
* cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
partition_hot_cold_basic_blocks): Ditto.
* var-tracking.c (vt_find_locations): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
* sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
* tree-ssa-reassoc.c (init_reassoc): Ditto.
* cfgrtl.c (entry_of_function, rtl_verify_flow_info,
rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
* df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
and removed unused reverse orders.
* df.h (): Ditto.
* combine.c: Fix document typo.
Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>
From-SVN: r108713
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do not require additional infrastructure...
2005-12-16 Paolo Bonzini <bonzini@gnu.org>
* combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
simplify_logical): Move simplifications that do not require
additional infrastructure...
* simplify-rtx.c (simplify_unary_operation_1,
simplify_binary_operation_1): ... here.
From-SVN: r108634
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2005-12-15 Paolo Bonzini <bonzini@gnu.org>
* combine.c: Remove force_to_mode's fourth parameter.
(force_to_mode): Do not handle REG.
(canon_reg_for_combine): New.
(make_field_assignment): Use it where the removed argument was non-NULL.
From-SVN: r108564
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PR target/21017
* combine.c (simplify_logical <IOR>): Simplify more patterns to
rotates.
From-SVN: r107873
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assignment to IOR of AND.
2005-11-30 Dale Johannesen <dalej@apple.com>
Andrew Pinski <pinskia@physics.uc.edu>
* combine.c (find_split_point): Sign extend bitmask
when changing bitfield assignment to IOR of AND.
2005-11-30 Dale Johannesen <dalej@apple.com>
* gcc.c-torture/compile/pr24930.c: New.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
From-SVN: r107731
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building xorg-x11)
./: PR rtl-optimization/24883
* combine.c (combinable_i3pat): When checking whether the
destination of i3 is used in i3, consider paradoxical subregs.
testsuite/:
PR rtl-optimization/24883
* gcc.c-torture/compile/pr24883.c: New test.
From-SVN: r107279
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generating a PARALLEL for a...
* combine.c (try_combine): Do not run subst on i1src and i2src in
the case of generating a PARALLEL for a comparison.
From-SVN: r107273
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if necessary before returning.
* combine.c (make_compound_operation): Swap operands of
commutative operation if necessary before returning.
From-SVN: r107219
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PR rtl-optimization/22002
* combine.c (distribute_notes): Detect cases where a reg dies
two or more times in a bb, including on the insn we are combining,
and place the death note on the correct range.
From-SVN: r106921
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./: PR target/22432
* combine.c (apply_distributive_law): Don't distribute across a
vector mode subreg.
testsuite/:
PR target/22432
* gcc.target/i386/pr22432.c: New test.
From-SVN: r106555
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* combine.c (make_extraction): Correct offset computation.
* gcc.c-torture/execute/20051012-1.c: New test.
From-SVN: r105330
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PR rtl-optimization/13931
* combine.c: Revert patch of 2003-05-14, and:
(try_combine): Only set elim_i1 and elim_i2 if the destination is
completely killed in the appropriate insn.
(distribute_notes): Don't skip multiple hard register test for
elim_i1 and elim_i2.
From-SVN: r105275
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Oked by Richard Henderson.
From-SVN: r104649
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2005-08-26 Ian Lance Taylor <ian@airs.com>
* combine.c (make_extraction): Avoid reference outside object.
From-SVN: r103537
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to 255)
PR rtl-optimization/23241
* combine.c (simplify_comparison): Fix error in determining
whether to lift a subreg from comparison.
From-SVN: r102869
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2005-08-03 Paul Brook <paul@codesourcery.com>
* combine.c (can_change_dest_mode): New function.
(try_combine, simplify_set): Use it.
From-SVN: r102686
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mode doesn't match.
* combine.c (combine_instructions): Don't use reg_equal/equiv
results if the mode doesn't match.
From-SVN: r102679
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register)
PR rtl-optimization/22258
* combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
New functions.
(try_combine): Use likely_spilled_retval_p.
From-SVN: r102279
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* bt-load.c (link_btr_uses): Fix uninitialised warnings.
* cfganal.c (find_edge_index): Ditto.
* combine.c (combine_instructions): Ditto.
* ddg.c (create_scc): Ditto.
(find_successors): Ditto.
(find_predecessors): Ditto.
(find_nodes_on_paths): Ditto.
(longest_simple_path): Ditto.
* flow.c (update_life_info): Ditto.
(count_or_remove_death_notes): Ditto.
(clear_log_links): Ditto.
* modulo-sched.c (generate_reg_moves): Ditto.
(find_max_asap): Ditto.
(find_max_hv_min_mob): Ditto.
(find_max_dv_min_mob): Ditto.
* sbitmap.c (sbitmap_first_set_bit): Ditto.
* sched-rgn.c (extract_edgelst): Ditto.
* tree-into-ssa.c (prepare_names_to_update): Ditto.
(dump_update_ssa): Ditto.
(ssa_names_to_replace) Ditto.
(switch_virtuals_to_full_rewrite): Ditto.
(update_ssa): Ditto.
* tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
From-SVN: r102151
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2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
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letters at start of diagnostics.
* bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
config/stormy16/stormy16.c, config/v850/v850.c,
config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
Avoid "." or "\n" at end of diagnostics and capital letters at
start of diagnostics.
* combine.c, cse.c: Don't translate dump file output.
* toplev.c (print_version): Only translate output if going to
stderr.
From-SVN: r101561
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From-SVN: r101317
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PR 22077.
Oked by Roger Sayle.
From-SVN: r101211
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2005-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
* combine.c (make_compound_operation): Use simplify_subreg. Delete
a optimization already done by simplify_subreg.
From-SVN: r101183
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global_live_at_end from ...
* basic-block.h (rtl_bb_info): Break out head_, end_,
global_live_at_start, global_live_at_end from ...
(basic_block_def): ... here; update all references
(BB_RTL): New flag.
(init_rtl_bb_info): Declare.
* cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
flag.
* cfgrtl.c: Include ggc.h
(create_basic_block_structure): Init bb info.
(rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
(init_rtl_bb_info): New function.
(rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
* cfghooks.c (merge_block): Do not copy global_live_at_end here.
* cfg.c (clear_bb_flags): Skip BB_RTL flag.
(dump_flow_info): Gueard global_live_* dumping.
From-SVN: r101082
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* sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
sbitmap_iter_cond, sbitmap_iter_next): New.
* bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
From-SVN: r100709
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HARD_REGNO_NREGS macro.
* combine.c (try_combine): Use hard_regno_nregs array instead of
HARD_REGNO_NREGS macro.
* config/rs6000/rs6000.c (rs6000_split_multireg_move,
rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
* config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
From-SVN: r100673
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xmm intrinsics)
* config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
item in V4SF mode.
PR rtl-optimization/21239
* combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
* gcc.dg/i386-sse-11.c: New test.
From-SVN: r99186
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* builtins.c (gimplify_va_arg_expr): Reword comments to avoid
'abort'. Use gcc_assert and gcc_unreachable as appropriate.
* c-format.c (get_constant, decode_format_attr, get_flag_spec,
find_char_info_specifier_index,
find_length_info_modifier_index): Likewise.
* c-typeck.c (composite_type, pop_init_level): Likewise.
* combine.c (cant_combine_insn_p, try_combine): Likewise.
* cse.c (cse_insn): Likewise
* dominance.c (calc_dfs_tree): Likewise
dwarf2out.c (loc_descriptor_from_tree_1,
add_abstract_origin_attribute, force_decl_die,
force_type_die): Likewise
emit-rtl.c (operand_subword_force): Likewise
explow.c (hard_function_value): Likewise
expmed.c (store_bit_field, expand_divmod,
emit_store_flag_force): Likewise
expr.c (emit_move_multi_word, store_expr,
expand_expr_real_1): Likewise
final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
output_operand): Likewise
flow.c (recompute_reg_usage): Likewise
* function.c (assign_stack_temp_for_type, assign_temp,
handle_epilogue_set): Likewise
* genextract.c (main): Likewise
* gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
gimplify_modify_expr_rhs, gimplify_expr): Likewise
* haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
ready_remove, rm_line_notes, rm_other_notes,
schedule_block): Likewise
mips-tfile.c (copy_object, out_of_bounds): Likewise
From-SVN: r98567
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* cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
* basic-block.h: Update the prototype for
purge_all_dead_edges.
* cfgexpand.c (tree_expand_cfg): Update a call to
purge_all_dead_edges.
* combine.c (combine_instructions): Likewise.
* passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
rest_of_handle_cse2, rest_of_handle_gcse,
rest_of_handle_postreload): likewise.
From-SVN: r98168
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invalid assumption about rtl...
* combine.c (combine_simplify_rtx): Remove a transformation that
relies on an invalid assumption about rtl sign-extension semantics.
From-SVN: r97941
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2004-04-05 Paolo Bonzini <bonzini@gnu.org>
* combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
gen_lowpart_for_combine.
* cse.c (gen_lowpart_if_possible): Move...
* rtlhooks.c (gen_lowpart_if_possible): ... here. Also try
gen_lowpart_SUBREG.
(gen_lowpart_no_emit_general): Use it.
From-SVN: r97633
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miscompilation.)
PR rtl-optimization/20527
* combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
REG_INC note, test that the register also isn't mentioned in PRED
or SUCC.
From-SVN: r96853
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2005-03-21 Paolo Bonzini <bonzini@gnu.org>
* combine.c (combine_simplify_rtx, simplify_if_then_else,
simplify_logical, if_then_else_cond, known_cond,
simplify_comparison): Adjust calls to reverse_comparison.
Don't use combine_reversed_comparison_code).
(combine_reversed_comparison_code): Remove.
(reversed_comparison): Using reversed_comparison_code, move it...
* jump.c (reversed_comparison): ... here.
* rtl.h (reversed_comparison): Add prototype.
From-SVN: r96801
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that doing so is valid.
* combine.c (try_combine): When changing the mode of a hard reg, make
sure that doing so is valid.
From-SVN: r96730
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2005-03-01 Paolo Bonzini <bonzini@gnu.org>
* combine.c (gen_binary): Remove.
(known_cond, simplify_shift_const, find_split_point,
combine_simplify_rtx, simplify_if_then_else, simplify_set,
simplify_logical, expand_field_assignment, extract_left_shift,
force_to_mode, if_then_else_cond, apply_distributive_law,
simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
simplify_comparison, reversed_comparison): Replace with
simplify_gen_binary, simplify_gen_relational or
distribute_and_simplify_rtx.
(distribute_and_simplify_rtx): New function.
From-SVN: r96681
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split)
PR rtl-optimization/20291
* combine.c (try_combine): If splitting fails, re-try with
original combined pattern, i.e. before clobber stripping.
From-SVN: r96476
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PR target/20322
* combine.c (try_combine): If recog_for_combine added CLOBBERs
to NEWI2PAT, fail to combine if they are used by NEWPAT.
* gcc.dg/20050307-1.c: New test.
From-SVN: r96260
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* c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
From-SVN: r96104
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(trunc_int_for_mode (...)).
* combine.c (simplify_and_const_int): Use gen_int_mode instead
of GEN_INT (trunc_int_for_mode (...)).
* loop-iv.c (iv_number_of_iterations): Likewise.
* postreload.c (reload_cse_move2add): Likewise.
* simplify-rtx.c (simplify_const_unary_operation,
simplify_const_binary_operation): Likewise.
* stor-layout.c (get_mode_bounds): Likewise.
From-SVN: r95935
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* calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
(emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
REG_ALWAYS_RETURN.
* cfgrtl.c (need_fake_edge_p): Likewise.
* combine.c (distribute_notes): Likewise.
* emit-rtl.c (try_split): Likewise.
* recog.c (peephole2_opimize): Likewise.
* reg-notes.def (ALWAYS_RETURN): Remove.
* rtl.h (LCT_ALWAYS_RETURN): Remove.
* tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
* tree.h (ECF_ALWAYS_RETURN): Remove.
From-SVN: r95690
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* c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
spelling conventions.
From-SVN: r94939
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