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2008-07-15df-problems.c (df_set_note): Avoid C++ keywords.Kaveh R. Ghazi1-3/+3
* df-problems.c (df_set_note): Avoid C++ keywords. * df-scan.c (df_ref_change_reg_with_loc_1): Likewise. * dse.c (record_store, remove_useless_values): Likewise. * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset, gen_reg_rtx_offset, operand_subword, change_address_1, change_address, adjust_address_1, offset_address, widen_memory_access, emit_copy_of_insn_after): Likewise. * explow.c (round_push, allocate_dynamic_stack_space): Likewise. * fwprop.c (should_replace_address, propagate_rtx_1, propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify): Likewise. * gcse.c (cprop_jump, find_implicit_sets, bypass_block, gcse_emit_move_after, update_ld_motion_stores): Likewise. * lcm.c (compute_insert_delete, pre_edge_lcm, compute_rev_insert_delete, pre_edge_rev_lcm): Likewise. * lower-subreg.c (resolve_reg_notes): Likewise. * mode-switching.c (optimize_mode_switching): Likewise. From-SVN: r137848
2008-07-02rtlanal.c (add_reg_note): New function.Ian Lance Taylor1-2/+1
* rtlanal.c (add_reg_note): New function. * rtl.h (add_reg_note): Declare. * auto-inc-dec.c (attempt_change): Use add_reg_note. * bb-reorder.c (add_reg_crossing_jump_notes): Likewise. * builtins.c (expand_builtin_longjmp): Likewise. (expand_builtin_nonlocal_goto): Likewise. * calls.c (emit_call_1, expand_call): Likewise. * cfgexpand.c (add_reg_br_prob_note): Likewise. * cfglayout.c (fixup_reorder_chain): Likewise. * cfgrtl.c (force_nonfallthru_and_redirect): Likewise. (commit_one_edge_insertion): Likewise. * combine.c (move_deaths, distribute_notes): Likewise. * df-problems.c (df_set_note): Likewise. * emit-rtl.c (link_cc0_insns, try_split): Likewise. (set_unique_reg_note): Likewise. (emit_copy_of_insn_after): Likewise. * expr.c (expand_expr_real): Likewise. * gcse.c (add_label_notes): Likewise. * haifa-sched.c (create_check_block_twin): Likewise. * jump.c (mark_jump_label_1): Likewise. * loop-doloop.c (add_test, doloop_modify): Likewise. * loop-unswitch.c (compare_and_jump_seq): Likewise. * lower-subreg.c (move_eh_region_note): Likewise. * optabs.c (emit_libcall_block): Likewise. * predict.c (predict_insn): Likewise. (combine_predictions_for_insn): Likewise. * recog.c (peephole2_optimize): Likewise. * regmove.c (try_auto_increment): Likewise. * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (fixup_eh_region_note): Likewise. (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise. * reorg.c (delete_prior_computation): Likewise. (delete_computation, dbr_schedule): Likewise. * config/pa/pa.c (legitimize_pic_address): Likewise. * config/sh/sh.c (sh_reorg): Likewise. From-SVN: r137374
2008-06-17Remove libcall notes.Steven Bosscher1-86/+8
* see.c (see_analyse_one_def): Do not look for REG_LIBCALL and REG_RETVAL notes. (see_update_relevancy): Likewise. * fwprop.c (try_fwprop_subst): Likewise. * rtlanal.c (noop_move_p): Likewise. * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL notes to non-existing libcall blocks. * cse.c (cse_insn): Change prototype. Don't update libcall notes. Remove orig_set. (cse_extended_basic_block): Don't track libcall and no-conflict notes. (dead_libcall_p): Remove. (delete_trivially_dead_insns): Don't use it. * web.c (union_defs): Remove comment about keeping nops. * gcse.c (hash_scan_insn): Don't take libcall pointers. (compute_hash_table_work): Don't track libcall notes. (do_local_cprop): Don't take libcall pointers. Don't update libcall notes. (adjust_libcall_notes): Deleted. (local_cprop_pass): Remove stack for nested libcalls (which shouldn't ever have existed in the first place). (replace_store_insn): Don't try to remove libcall notes. * lower-subreg.c (move_libcall_note, move_retval_note): Deleted. (resolve_reg_notes): Don't call them. (resolve_simple_move): Likewise. (decompose_multiword_subregs): Remove block handling REG_RETVAL notes. Don't remove REG_RETVAL notes. * emit-rtl.c (try_split): Don't update libcall notes. (emit_copy_of_insn_after): Dito. * cselib.c (cselib_current_insn_in_libcall): Remove. (cselib_process_insn): Don't set/clear it. (new_elt_loc_list): Don't record it. (cselib_init): Don't initialize it. * cselib.c (struct elt_loc_list): Remove in_libcall field. * loop-invariant.c (find_invariant_insn): Don't look for libcall notes. * sched-deps.c (sched_analyze_insn): Don't group libcall blocks. (sched_analyze): Don't set up deps->libcall_block_tail_insn. (init_deps): Don't initialize it. * sched-int.h (struct deps): Rremove libcall_block_tail_insn field. * combine.c (delete_noop_moves): Don't update libcall notes. (can_combine_p): Remove now pointless #if 0 block. (try_combine): Remove another obsolete #if 0 block. (distribute_notes): Don't distribute libcall notes. * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove. * dce.c (libcall_dead_p): Remove. (delete_unmarked_insns): Don't handle libcall blocks. (preserve_libcall_for_dce): Remove. (prescan_insns_for_dce): Don't special-case libcall block insns. * reload1 (reload): Don't handle libcall notes. * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove documentation. From-SVN: r136861
2008-06-01rtl.h (emit_clobber, [...]): Declare.Richard Sandiford1-1/+1
gcc/ * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare. * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New functions. Do not emit uses and clobbers of CONCATs; individually use and clobber their operands. * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber, gen_clobber, emit_use and gen_use. (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise. (expand_builtin_return): Likewise. * cfgbuild.c (count_basic_blocks): Likewise. * cfgrtl.c (rtl_flow_call_edges_add): Likewise. * explow.c (emit_stack_restore): Likewise. * expmed.c (extract_bit_field_1): Likewise. * expr.c (convert_move, emit_move_complex_parts): Likewise. (emit_move_multi_word, store_constructor): Likewise. * function.c (do_clobber_return_reg, do_use_return_reg): Likewise. (thread_prologue_and_epilogue_insns): Likewise. * lower-subreg.c (resolve_simple_move): Likewise. * optabs.c (widen_operand, expand_binop): Likewise. (expand_doubleword_bswap, emit_no_conflict_block): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (eliminate_regs_in_insn): Likewise. * stmt.c (expand_nl_goto_receiver): Likewise. * config/alpha/alpha.md (builtin_longjmp): Likewise. * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise. * config/arm/arm.c (arm_load_pic_register): Likewise. (thumb1_expand_epilogue, thumb_set_return_address): Likewise. * config/arm/arm.md (untyped_return): Likewise. * config/arm/linux-elf.h (PROFILE_HOOK): Likewise. * config/avr/avr.c (expand_prologue): Likewise. * config/bfin/bfin.c (do_unlink): Likewise. * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise. * config/cris/cris.c (cris_expand_prologue): Likewise. * config/darwin.c (machopic_indirect_data_reference): Likewise. (machopic_legitimize_pic_address): Likewise. * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise. (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise. * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise. (ix86_expand_convert_uns_didf_sse): Likewise. (ix86_expand_vector_init_general): Likewise. * config/ia64/ia64.md (eh_epilogue): Likewise. * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise. * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise. * config/m32r/m32r.c (m32r_reload_lr): Likewise. (config/iq2000/iq2000.c): Likewise. * config/mips/mips.md (fixuns_truncdfsi2): Likewise. (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise. (builtin_longjmp): Likewise. * config/mn10300/mn10300.md (call, call_value): Likewise. * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise. * config/pdp11/pdp11.md (abshi2): Likewise. * config/rs6000/rs6000.c (rs6000_emit_move): Likewise. * config/s390/s390.c (s390_emit_prologue): Likewise. * config/s390/s390.md (movmem_long, setmem_long): Likewise. (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise. (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise. * config/sh/sh.c (prepare_move_operands): Likewise. (output_stack_adjust, sh_expand_epilogue): Likewise. (sh_set_return_address, sh_expand_t_scc): Likewise. * config/sparc/sparc.c (load_pic_register): Likewise. * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise. * config/spu/spu.c (spu_expand_epilogue): Likewise. * config/v850/v850.c (expand_epilogue): Likewise. From-SVN: r136251
2008-05-14rtl.texi: Removed reference to REG_NO_CONFLICT notes.Kenneth Zadeck1-27/+2
2008-05-14 Kenneth Zadeck <zadeck@naturalbridge.com> * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes. * optabs.c (expand_binop, expand_absneg_bit, expand_unop, expand_copysign_bit, ): Change call to emit_no_conflict_block to emit_insn and remove unneeded code to construct extra args. (emit_no_conflict_block): Removed. * optabls.h: (emit_no_conflict_block): Removed. * cse.c (cse_extended_basic_block): Remove search for REG_NO_CONFLICT note. * global.c: Removed incorrect comment added in revision 117. * expr.c (convert_move): Change call to emit_no_conflict_block to emit_insn. * recog.c: Change comments so that they do not mention REG_NO_CONFLICT. * local_alloc.c (combine_regs): Removed last parameter. (no_conflict_p): Removed. (block_alloc): Removed note, no_conflict_combined_regno and set local vars. Removed all code to process REG_NO_CONFLICT blocks. (combine_regs): Removed already_dead and code to look for REG_NO_CONFLICT notes. * lower_subreg (remove_retval_note): Removed code to look for REG_NO_CONFLICT block. (resolve_reg_notes): Removed REG_NO_CONFLICT case. (resolve_clobber): Remove code to process libcalls that have REG_NO_CONFLICT notes. * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT case. * combine.c (can_combine_p, distribute_notes): Removed REG_NO_CONFLICT case. * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block to emit_insns. * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto. * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns): Ditto. * reg-notes.def (NO_CONFLICT): Removed. From-SVN: r135289
2008-03-19re PR other/35094 (RTL dump file letters hosed and partly undocumented)Jan Hubicka1-6/+10
* gcc.dg/20050811-2.c: Update dumping flags. * gcc.dg/sms-2.c: Update dumping flags. * gcc.dg/var-expand1.c: Update dumping flags. * gcc.dg/var-expand3.c: Update dumping flags. * gcc.dg/pr30957-1.c: Update dumping flags. * gcc.dg/20050811-1.c: Update dumping flags. * gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail. * gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail. PR other/35094 * toplev.c (decode_d_option): Handle all CPP flags. * tree-vrp.c: Update tree_pass descriptors. * regrename.c: Update tree_pass descriptors. * fwprop.c: Update tree_pass descriptors. * doc/invoke.texi: Remove documentation of dropped -d? flags. * tree-into-ssa.c: Update tree_pass descriptors. * tree-dump.c: Update tree_pass descriptors. * tree-complex.c: Update tree_pass descriptors. * tree-dump.h: Update tree_pass descriptors. * see.c: Update tree_pass descriptors. * cgraphbuild.c: Update tree_pass descriptors. * tracer.c: Update tree_pass descriptors. * tree-loop-distribution.c: Update tree_pass descriptors. * cgraph.c: Update tree_pass descriptors. * postreload-gcse.c: Update tree_pass descriptors. * postreload.c: Update tree_pass descriptors. * tree-ssa-loop-ch.c: Update tree_pass descriptors. * tree-tailcall.c: Update tree_pass descriptors. * tree-pass.h (tree_opt_pass): Rename to ... (opt_pass) ... this one; add "type" field and remove letter field. (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New. (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes, all_lowering_passes): Update declaration. * ipa-cp.c: Update tree_pass descriptors. * final.c: Update tree_pass descriptors. * omp-low.c: Update tree_pass descriptors. * tree-ssa-dse.c: Update tree_pass descriptors. * ipa-reference.c: Update tree_pass descriptors. * tree-ssa-uncprop.c: Update tree_pass descriptors. * auto-inc-dec.c: Update tree_pass descriptors. * reorg.c: Update tree_pass descriptors. * cgraphunit.c: Update tree_pass descriptors. * tree-ssa-copyrename.c: Update tree_pass descriptors. * tree-ssa-ccp.c: Update tree_pass descriptors. * df-core.c: Update tree_pass descriptors. * mode-switching.c: Update tree_pass descriptors. * tree-nomudflap.c: Update tree_pass descriptors. * modulo-sched.c: Update tree_pass descriptors. * ipa-pure-const.c: Update tree_pass descriptors. * cse.c: Update tree_pass descriptors. * web.c: Update tree_pass descriptors. * tree-stdarg.c: Update tree_pass descriptors. * tree-ssa-math-opts.c: Update tree_pass descriptors. * tree-ssa-dom.c: Update tree_pass descriptors. * tree-nrv.c: Update tree_pass descriptors. * tree-ssa-alias.c: Update tree_pass descriptors. * loop-init.c: Update tree_pass descriptors. * gimple-low.c: Update tree_pass descriptors. * ipa-inline.c: Update tree_pass descriptors. * tree-ssa-sink.c: Update tree_pass descriptors. * global.c: Update tree_pass descriptors. * ifcvt.c: Update tree_pass descriptors. * jump.c: Update tree_pass descriptors. * predict.c: Update tree_pass descriptors. * tree-ssa-loop.c: Update tree_pass descriptors. * recog.c: Update tree_pass descriptors. * dse.c: Update tree_pass descriptors. * tree-ssa-ifcombine.c: Update tree_pass descriptors. * tree-eh.c: Update tree_pass descriptors. * regmove.c: Update tree_pass descriptors. * local-alloc.c * function.c: Update tree_pass descriptors. * tree-vectorizer.c: Update tree_pass descriptors. * gcse.c: Update tree_pass descriptors. * ipa-type-escape.c: Update tree_pass descriptors. * tree-if-conv.c: Update tree_pass descriptors. * init-regs.c: Update tree_pass descriptors. * ipa.c: Update tree_pass descriptors. * tree-ssa-phiopt.c: Update tree_pass descriptors. * rtl-factoring.c: Update tree_pass descriptors. * lower-subreg.c: Update tree_pass descriptors. * bt-load.c: Update tree_pass descriptors. * tree-dfa.c: Update tree_pass descriptors. * except.c: Update tree_pass descriptors. * emit-rtl.c: Update tree_pass descriptors. * cfgexpand.c: Update tree_pass descriptors. * tree-cfgcleanup.c: Update tree_pass descriptors. * cfgcleanup.c: Update tree_pass descriptors. * tree-ssa-pre.c: Update tree_pass descriptors. * tree-sra.c: Update tree_pass descriptors. * tree-mudflap.c: Update tree_pass descriptors. * tree-ssa-copy.c: Update tree_pass descriptors. * cfglayout.c: Update tree_pass descriptors. * tree-ssa-forwprop.c: Update tree_pass descriptors. * tree-ssa-dce.c: Update tree_pass descriptors. * tree-ssa.c: Update tree_pass descriptors. * regclass.c: Update tree_pass descriptors. * integrate.c: Update tree_pass descriptors. * tree-optimize.c: Update tree_pass descriptors. * tree-ssa-phiprop.c: Update tree_pass descriptors. * tree-object-size.c: Update tree_pass descriptors. * combine.c: Update tree_pass descriptors. * tree-outof-ssa.c: Update tree_pass descriptors. * bb-reorder.c: Update tree_pass descriptors. * stack-ptr-mod.c: Update tree_pass descriptors. * var-tracking.c: Update tree_pass descriptors. * tree-profile.c: Update tree_pass descriptors. * tree-vect-generic.c: Update tree_pass descriptors. * reg-stack.c: Update tree_pass descriptors. * sched-rgn.c: Update tree_pass descriptors. * tree-ssa-structalias.c: Update tree_pass descriptors. * tree-cfg.c: Update tree_pass descriptors. * passes.c (current_pass): Update declaration. (finish_optimization_passes): Update. (all_passes, all_ipa_passes, all_lowering_passes): Update declaration. (register_one_dump_file, register_dump_files_1, next_pass_1): Update arguments. (init_optimization_passes): Update handling of new types. (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update. * ipa-struct-reorg.c: Update tree_pass descriptors. * tree-ssa-reassoc.c: Update tree_pass descriptors. * combine-stack-adj.c: Update tree_pass descriptors. * cfgrtl.c: Update tree_pass descriptors. * dce.c: Update tree_pass descriptors. * tree-ssanames.c: Update tree_pass descriptors. From-SVN: r133342
2007-10-05re PR middle-end/33667 (RTL sharing with divmod)Michael Matz1-1/+1
gcc/ PR middle-end/33667 * lower-subreg.c (decompose_multiword_subregs): Use validate_unshare_change(). testsuite/ * gcc.dg/pr33667.c: New testcase. From-SVN: r129038
2007-09-09revert: regrename.c (copyprop_hardreg_forward_1): New variable next.Laurynas Biveinis1-5/+4
Revert: 2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com> * regrename.c (copyprop_hardreg_forward_1): New variable next. Use FOR_BB_INSNS_SAFE instead of for loop. * cse.c (cse_extended_basic_block): Likewise. * postreload.c (reload_cse_regs_1): New variable next. Make sure that the for loop does not invoke NEXT_INSN on a deleted insn. * function.c (instantiate_virtual_regs): Likewise. * lower-subreg.c (remove_retval_note): Likewise. (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of FOR_BB_INSNS. * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on a deleted insn. * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted insn, if it's a jump. (try_redirect_by_replacing_jump): New variable jump_p. Call tablejump_p before delete_insn_chain. * reload1.c (reload): New variable next. Make sure that the for loop does not invoke NEXT_INSN on a deleted insn. (fixup_eh_region_note): Make the loop terminate if i becomes NULL. (delete_output_reload): New variable prev. Make sure the the for loops do not invoke PREV_INSN on a deleted insn. From-SVN: r128284
2007-09-07regrename.c (copyprop_hardreg_forward_1): New variable next.Laurynas Biveinis1-4/+5
2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com> * regrename.c (copyprop_hardreg_forward_1): New variable next. Use FOR_BB_INSNS_SAFE instead of for loop. * cse.c (cse_extended_basic_block): Likewise. * postreload.c (reload_cse_regs_1): New variable next. Make sure that the for loop does not invoke NEXT_INSN on a deleted insn. * function.c (instantiate_virtual_regs): Likewise. * lower-subreg.c (remove_retval_note): Likewise. (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of FOR_BB_INSNS. * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on a deleted insn. * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted insn, if it's a jump. (try_redirect_by_replacing_jump): New variable jump_p. Call tablejump_p before delete_insn_chain. * reload1.c (reload): New variable next. Make sure that the for loop does not invoke NEXT_INSN on a deleted insn. (fixup_eh_region_note): Make the loop terminate if i becomes NULL. (delete_output_reload): New variable prev. Make sure the the for loops do not invoke PREV_INSN on a deleted insn. From-SVN: r128224
2007-09-05regrename.c (pass_regrename, [...]): Add RTL sharing verifier.Jan Hubicka1-1/+1
* regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing verifier. * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise. * see.c (pass_see): Likewise. * tracer.c (pass_tracer): Likewise. * postreload-gcse.c (pass_gcse2): Likewise. * postreload.c (pass_postreload_cse): Likewise. * mode-switching.c (pass_mode_switching): Likewise. * modulo-sched.c (pass_sms): Likewise. * cse.c (cse_insn): Likewise. * web.c (pass_web): Likweise. * combine-stack-adj.c (pass_stack_adjustments): Likewise. * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise. * loop-init.c (pass_rtl_loop_init): Likewise. (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch, pass_rtl_unroll_and, pass_rtl_doloop): Likewise. * global.c (pass_global_alloc): Likewise. * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine, pass_if_after_reload): Likewise. * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise. * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise. * regmove.c (pass_regmove): Likewise. * function.c (pass_thread_prologugues_epilogues): Likewise. * gcse.c (pass_gcse): Likewise. * rtl-factoring.c (pass_rtl_seqabstr): Likewise. * lower-subreg.c (pass_lower_subreg2): Likewise. * bt-load.c (pass_branch_target_load): Likewise. * emit-rtl.c (pass_unshare_all_rtl): Likewise. * cfgcleanup.c (pass_jump, pass_jump2): Likewise. * combine.c (pass_combine): Likewise. * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise. (pass_partition_blocks): Likewise. * var-tracking.c (pass_variable_track): Likewise. * reg-stack.c (pass_stack_regs_run): Likewise. * sched-rgn.c (pass_sched, pass_sched2): Likewise. * passes.c (pass_postreload): Likewise. (execute_function_todo): Add TODO_verify_rtl_sharing handling code. * tree-pass.h (TODO_verify_rtl_sharing): New. (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi, TODO_update_ssa_only_virtuals, TODO_remove_unused_locals, TODO_set_props, TODO_df_finish, TODO_df_verify, TODO_mark_first_instance, TODO_rebuild_alias): Renumber. From-SVN: r128126
2007-09-05re PR middle-end/33029 (libgcc2.c:1890: internal compiler error: in ↵Steven Bosscher1-2/+4
local_cprop_pass, at gcse.c:3236) PR middle-end/33029 * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL note, remove the associated REG_RETVAL note. From-SVN: r128119
2007-08-10lower-subreg.c (resolve_shift_zext): Don't adjust src_reg_num for wordmode ↵Andreas Krebbel1-2/+3
operands. 2007-08-10 Andreas Krebbel <krebbel1@de.ibm.com> * lower-subreg.c (resolve_shift_zext): Don't adjust src_reg_num for wordmode operands. From-SVN: r127342
2007-08-07re PR rtl-optimization/32776 (ICE RTL check: expected code 'reg', have ↵Ian Lance Taylor1-15/+7
'concatn' in rhs_regno, at rtl.h:972) PR rtl-optimization/32776 * lower-subreg.c (resolve_clobber): Call resolve_reg_notes. (resolve_use): Likewise. (decompose_multiword_subregs): Remove "changed" local variable. From-SVN: r127282
2007-08-07lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL note, just ↵Ian Lance Taylor1-0/+9
delete the insn. * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL note, just delete the insn. From-SVN: r127273
2007-08-07lower-subreg.c (resolve_subreg_use): Remove assertion.Andreas Krebbel1-2/+167
2007-08-07 Andreas Krebbel <krebbel1@de.ibm.com> * lower-subreg.c (resolve_subreg_use): Remove assertion. (find_decomposable_shift_zext, resolve_shift_zext): New functions. (decompose_multiword_subregs): Use the functions above to decompose multiword shifts and zero-extends. 2007-08-07 Andreas Krebbel <krebbel1@de.ibm.com> * gcc.dg/multiword-1.c: New testcase. From-SVN: r127270
2007-07-26Change copyright header to refer to version 3 of the GNU General Public ↵Nick Clifton1-4/+3
License and to point readers at the COPYING3 file and the FSF's license web page. From-SVN: r126948
2007-07-11toplev.c (no_new_pseudos): Deleted.Kenneth Zadeck1-4/+0
2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com> * toplev.c (no_new_pseudos): Deleted. * rtl.h (no_new_pseudos): Deleted. * tree-pass.h (pass_no_new_pseudos): Deleted. * passes.c (pass_no_new_pseudos): Deleted. * final.c (rest_of_clean_state): Removed no_new_pseudos. (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted. * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with reload_completed. * cfgcleanup.c (try_crossjump_to_edge): Ditto. * rtlhooks.c (gen_lowpart_general): Ditto. * optabs.c (prepare_operand): Ditto. * mode-switching.c (rest_of_handle_mode_switching): Deleted set of no_new_pseudos. * modulo-sched.c (rest_of_handle_sms): Ditto. * see.c (rest_of_handle_see): Ditto. * ifcvt.c (if_convert): Ditto. (gate_handle_if_after_combine): Replaced no_new_pseudos with reload_completed. * init-regs.c (gate_initialize_regs): Deleted set of no_new_pseudos. * lower-subreg.c (decompose_multiword_subregs): Ditto. * bb-reorder.c (rest_of_handle_partition_blocks): Ditto. * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p. From-SVN: r126561
2007-06-11Merge dataflow branch into mainlineDaniel Berlin1-19/+15
From-SVN: r125624
2007-06-01re PR rtl-optimization/31455 (lower subreg causes a performance regression ↵Ian Lance Taylor1-0/+12
in the inner loop sometimes) PR rtl-optimization/31455 * lower-subreg.c (find_decomposable_subregs): Don't decompose subregs which have a cast between modes which are not tieable. From-SVN: r125265
2007-05-22lower-subreg.c (decompose_multiword_subregs): If we change an insn, call ↵Ian Lance Taylor1-0/+4
remove_retval_note on it. * lower-subreg.c (decompose_multiword_subregs): If we change an insn, call remove_retval_note on it. From-SVN: r124969
2007-03-10lower-subreg.c: Include except.h.Steven Bosscher1-2/+47
* lower-subreg.c: Include except.h. (decompose_multiword_subregs): Verify that the only control flow insns we can split are loads to multi-words pseudos. Handle breaking such blocks after splitting, instead of calling find_many_sub_basic_blocks. * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK on the new basic block. Add a lengthy comment explaining why we thought this was necessary. * cfglayout.c (cfg_layout_finalize): Don't break superblocks. From-SVN: r122807
2007-02-16lower-subreg.c (move_eh_region_note): New static function.Ian Lance Taylor1-8/+48
./: * lower-subreg.c (move_eh_region_note): New static function. (resolve_simple_move): Call it. (decompose_multiword_subregs): Track blocks for which we resolve a simple move which is also a control flow insn. Pass them to find_many_sub_basic_blocks. (pass_lower_subreg): Add TODO_verify_flow. (pass_lower_subreg2): Likewise. testsuite/: * g++.dg/eh/subreg-1.C: New test. From-SVN: r122025
2007-02-13re PR middle-end/30751 (internal compiler error: in extract_insn, at ↵Ian Lance Taylor1-1/+18
recog.c:2108) PR middle-end/30751 * lower-subreg.c (resolve_simple_move): Decompose subregs in addresses. From-SVN: r121894
2007-02-08* lower-subreg.c (simple_move): Reject PARTIAL_INT modes.Ian Lance Taylor1-0/+5
From-SVN: r121707
2007-02-06lower-subreg.c (simple_move_operand): Reject CONST.Ian Lance Taylor1-2/+9
* lower-subreg.c (simple_move_operand): Reject CONST. (resolve_clobber): Call validate_change rather than directly assigning to XEXP (pat, 0). From-SVN: r121652
2007-02-03lower-subreg.c (simple_move_operand): New static function, broken out of ↵Ian Lance Taylor1-22/+49
simple_move. * lower-subreg.c (simple_move_operand): New static function, broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH operands. (simple_move): Call simple_move_operand. (find_decomposable_subregs): Add special handling of MEMs. (can_decompose_p): Rename from cannot_decompose_p. Reverse meaning of return value. If we see a hard register, test whether it can store a word_mode value. Change all callers. From-SVN: r121553
2007-02-02* lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.Ian Lance Taylor1-3/+4
From-SVN: r121493
2007-02-01lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the high part of ↵Ian Lance Taylor1-1/+18
a paradoxical subreg, return a constant zero. * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the high part of a paradoxical subreg, return a constant zero. From-SVN: r121466
2007-02-01lower-subreg.c: New file.Ian Lance Taylor1-0/+1130
gcc/: * lower-subreg.c: New file. * rtl.def (CONCATN): Define. * passes.c (init_optimization_passes): Add pass_lower_subreg and pass_lower_subreg2. * emit-rtl.c (update_reg_offset): New static function, broken out of gen_rtx_REG_offset. (gen_rtx_REG_offset): Call update_reg_offset. (gen_reg_rtx_offset): New function. * regclass.c: Revert patch of 2006-03-05, restoring reg_scan_update. (clear_reg_info_regno): New function. * dwarf2out.c (concatn_loc_descriptor): New static function. (loc_descriptor): Handle CONCATN. * common.opt (fsplit_wide_types): New option. * opts.c (decode_options): Set flag_split_wide_types when optimizing. * timevar.def (TV_LOWER_SUBREG): Define. * rtl.h (gen_reg_rtx_offset): Declare. (reg_scan_update): Declare. * regs.h (clear_reg_info_regno): Declare. * tree-pass.h (pass_lower_subreg): Declare. (pass_lower_subreg2): Declare. * doc/invoke.texi (Option Summary): List -fno-split-wide-types. (Optimize Options): Add -fsplit-wide-types to -O1 list. Document -fsplit-wide-types. * doc/rtl.texi (Regs and Memory): Document concat and concatn. * Makefile.in (OBJS-common): Add lower-subreg.o. (lower-subreg.o): New target. gcc/testsuite/: * gcc.dg/lower-subreg-1.c (test): New test. From-SVN: r121453
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