+2009-09-11 Loren J. Rittle <ljrittle@acm.org>
+
+ * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
+ to match the system compiler's configuration at inflection point.
+ Add comment to remark a remaining difference with system compiler.
+
+ * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
+ * configure: Regenerate.
+
+2009-09-11 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ From Jie Zhang <jie.zhang@analog.com>:
+ * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
+ (bfin_handle_l2_attribute): New.
+ (bfin_attribute_table): Add l2 attribute.
+
+2009-09-11 Michael Matz <matz@suse.de>
+
+ PR middle-end/41275
+ * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
+ on the local_decls list.
+
+2009-09-11 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41276
+ PR debug/41307
+ * cselib.c (cselib_expand_value_rtx_cb): Document callback
+ interface.
+ (cselib_expand_value_rtx_1): Use callback for SUBREGs. Adjust
+ for VALUEs, to implement the documented interface.
+ * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
+ Adjust for VALUEs and anything else, to implement the
+ documented interface.
+
+2009-09-10 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
+ with actual SPE/paired vector modes before using 64-bit alignment.
+ Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
+
+2009-09-10 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
+ emitted.
+
+ * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
+ * config/mep/mep.c (mep_legitimate_constant_p): New.
+ * config/mep/mep-protos.h: Prototype it.
+
+2009-09-10 Richard Henderson <rth@redhat.com>
+
+ * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
+
+2009-09-10 Jason Merrill <jason@redhat.com>
+
+ * tree.c (chain_index): New fn.
+ * tree.h: Declare it.
+
+2009-09-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/sol2-c.c (cmn_err_length_specs): Initialize
+ scalar_identity_flag.
+
+2009-09-10 Richard Henderson <rth@redhat.com>
+
+ * tree.h (struct tree_decl_common): Move align member earlier;
+ move label_decl_uid member ...
+ (struct tree_label_decl): ... here.
+ (LABEL_DECL_UID): Update to match.
+
+ * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
+ not TDF_DETAILS.
+
+ * tree-cfg.c (gimple_redirect_edge_and_branch): Do
+ gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
+
+ * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
+ dest_prev if the edge is complex.
+
+ * tree-cfg.c (is_ctrl_stmt): Use a switch.
+
+ * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
+ loop latch tests earlier.
+
+ * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
+ before GIMPLE_RETURN, not after its predecessor; insert
+ before GIMPLE_RESX.
+
+ * gimple-iterator.c (gimple_find_edge_insert_loc): Use
+ gimple_seq_empty_p to test for no PHI nodes.
+ * tree-cfg.c (split_critical_edges): Likewise.
+
+ * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
+
+2009-09-10 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
+ introduced by the VTA branch merge.
+
+2009-09-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * ira-conflicts.c: Use fputs or putc instead of fprintf
+ where appropriate.
+ * cfg.c: Ditto.
+ * toplev.c: Ditto.
+ * tree-switch-conversion.c: Ditto.
+
+2009-09-10 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
+ introduced by the VTA branch merge.
+
+2009-09-10 Uros Bizjak <ubizjak@gmail.com>
+
+ Revert:
+ 2009-09-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/39779
+ * expr.c (convert_modes): Return when mode == oldmode after
+ CONST_INTs are processed.
+
+2009-09-10 Nick Clifton <nickc@redhat.com>
+
+ * config/mep/mep.c (mep_encode_section_info): Copy weakness
+ attribute and referring decl when creating renamed symbol.
+
+2009-09-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41257
+ * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
+ reachable nodes.
+ (cgraph_finalize_compilation_unit): Compute reachability
+ before emitting thunks. Properly process aliases before
+ possibly removing unreachable nodes.
+
+2009-09-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41254
+ * tree.c (struct free_lang_data_d): Add worklist member.
+ (find_decls_types_r): Push onto the worklist instead of recursing.
+ Handle TREE_BINFOs properly.
+ (find_decls_types): New function wrapped around find_decls_types_r
+ to process the worklist.
+ (find_decls_types_in_eh_region): Use it.
+ (find_decls_types_in_node): Likewise.
+ (find_decls_types_in_var): Likewise.
+ (free_lang_data_in_cgraph): Likewise. Free the worklist.
+ * tree.h (RECORD_OR_UNION_TYPE_P): New.
+ (AGGREGATE_TYPE_P): Adjust.
+
+2009-09-09 Jason Merrill <jason@redhat.com>
+
+ * configure.ac: Check glibc version even if we have an in-tree
+ assembler.
+
+2009-09-09 Anthony Green <green@moxielogic.com>
+
+ * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
+ the constant 0 when appropriate.
+ * config/moxie/constraints.md: Add constraint O.
+
+ * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
+ to pass up to 6 32-bit argument values in registers.
+ (moxie_function_arg): Ditto.
+ (moxie_arg_partial_bytes): Ditto.
+ * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
+ (REG_PARM_STACK_SPACE): Ditto.
+ (FUNCTION_ARG_REGNO_P): Ditto.
+
+ * config/moxie/moxie.c (moxie_expand_prologue): Use dec
+ instruction to allocate stack space.
+
+2009-09-09 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
+ unnecessarily stringent constraints. Fix address
+ calculation in the splitters.
+
+2009-09-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/39779
+ * expr.c (convert_modes): Return when mode == oldmode after
+ CONST_INTs are processed.
+
+2009-09-09 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/41315
+ * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
+ (ix86_expand_prologue): Take frame.padding0 into logic of
+ to_allocate checks.
+ (ix86_expand_epilogue): Likewise.
+
+2009-09-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
+ New variables.
+ (SHLIB_LINK, SHLIB_INSTALL): Use them.
+ * config/t-slibgcc-libgcc: New file.
+ * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
+
+2009-09-09 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/41089
+ * tree-sra.c (find_var_candidates): Do not consider va_lists in
+ early SRA.
+
+2009-09-09 Richard Henderson <rth@redhat.com>
+
+ * gimple.h (CASE_GIMPLE_OMP): New.
+ (is_gimple_omp): Use it.
+ * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
+ (verify_gimple_debug): Likewise.
+
+2009-09-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41101
+ * tree-ssa-pre.c (maximal_set): Remove.
+ (compute_antic_aux): Treat the maximal set as implicitly all ones.
+ Defer all blocks we didn't visit at least one successor.
+ (add_to_exp_gen): Do not add to the maximal set.
+ (make_values_for_phi): Likewise.
+ (compute_avail): Likewise.
+ (init_pre): Do not allocate the maximal set.
+ (execute_pre): Do not dump it.
+
+2009-09-09 Martin Jambor <mjambor@suse.cz>
+
+ * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
+ an SSA_NAME rather than a is_gimple_variable.
+
+2009-09-09 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41317
+ * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
+ code dealing with plain pointer bases.
+ (maybe_fold_offset_to_reference): Likewise.
+ (maybe_fold_stmt_addition): Adjust.
+
+2009-09-09 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (free_lang_data_in_type): Do not free the type variant
+ chains.
+ (free_lang_data): Merge char_type_node with its properly signed
+ variant.
+ (pass_ipa_free): Collect after freeing language specific data.
+
+2009-09-09 Michael Matz <matz@suse.de>
+
+ PR middle-end/41268
+ * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
+ SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
+ * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
+ to reflect reality.
+
+2009-09-08 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.c (conversions[]): Add "ml" pattern.
+
+2009-09-04 Jason Merrill <jason@redhat.com>
+
+ * tree.c (tree_find_value): Remove.
+ * tree.h: Remove prototype.
+ * varasm.c (assemble_external): Use value_member instead.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * toplev.c (process_options): Choose default debugging type when
+ gtoggle enables debug info and type is unset.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41276
+ PR debug/41307
+ * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
+ invalid subreg.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure: Rebuilt with modified libtool.m4.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41229
+ PR debug/41291
+ PR debug/41300
+ * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
+ (remove_statement): Likewise.
+ (rewrite_use_nonlinear_expr): Adjust.
+ (remove_unused_ivs): Collect SSA NAMEs to remove and call...
+ * tree-ssa.c (release_defs_bitset): ... this. New.
+ * tree-flow.h (release_defs_bitset): Declare.
+
+2009-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41232
+ * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
+ in the middle block.
+
+2009-09-08 Kai Tietz <kai.tietz@onevision.com>
+
+ * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
+ via intptr_t to long type.
+ (insert_operand_rank): Cast long type via intptr_t to
+ pointer type.
+ * genattrtab.c (RTL_HASH): Use intptr_t to cast from
+ pointer to scalar.
+ * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
+ from pointer to unsigned via uintptr_t.
+
+ * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
+ uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
+ and HAVE_INTPTR_T.
+ * configure: Regenerated.
+ * config.in: Regenerated
+ * system.h (stdint.h): Add include.
+ (inttypes.h): Likewise.
+ * Makefile.in (aclocal): Add config/stdint.m4.
+ * aclocal.m4: Regenerated.
+
+2009-09-08 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
+ variables.
+ (note_np_check_stores): New function.
+ (harmless_null_pointer_p): New function.
+ (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH. Callers
+ changed. Take into account whether we're in the shadow of a condjump
+ that tested NP_REG for NULL.
+ Lose all code that tested for SEQUENCEs.
+ (workaround_speculation): Avoid inserting NOPs for loads that are
+ either always executed or a NULL pointer.
+
+2009-09-08 Jan Hubicka <jh@suse.cz>
+
+ * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
+ * params.def (early-inlining-insns): Likewise.
+
+2009-09-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/41239
+ * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
+ * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
+ lists.
+ * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
+ across calls, as the calls might not always return normally.
+ (call_may_noreturn_p): New function.
+ (deps_analyze_insn): Update last_function_call_may_noreturn list.
+ (init_deps): Initialize it.
+ (remove_from_deps): Also remove calls from
+ last_function_call_may_noreturn list.
+
+2009-09-07 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
+ more VR->OPERANDS than LHS operands. Free LHS before returning.
+
+2009-09-07 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
+ (attr "addrtype"): New member "spreg".
+ Use it if mem_spfp_address_operand is true for the address.
+ (attr "type"): New entry "stall".
+ (cpu_unit "load"): New.
+ (insn_reservations "load32", "loadp", "loadi"): Add reservation of
+ "load".
+ (insn_reservation "loadsp"): New.
+ (insn_reservation "load_stall1"): New.
+ (insn_reservation "load_stall3"): New.
+ (stall): New insn.
+ * config/bfin/predicates.md (const1_operand, const3_operand): New.
+ (mem_p_address_operand): Exclude stack and frame pointer based
+ addresses.
+ (mem_spfp_address_operand): New; match them here.
+ * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
+ (bfin_reorg): Call it if scheduling insns.
+ (bfin_gen_bundles): Remove dummy insns created by
+ add_sched_insns_for_speculation.
+
+ From Jie Zhang <jie.zhang@analog.com>:
+ * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
+ bfin_si_revision, bfin_workarounds): Move these ...
+ * config/bfin/bfin.h: ... here.
+
+ From Mike Frysinger <michael.frysinger@analog.com>
+ * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
+ BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
+ * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
+ bf547m, bf548m, and bf549m.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
+ for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
+ __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
+ BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
+ * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
+ bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
+ * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
+ * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
+ * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
+ bf542m, bf544m, bf547m, bf548m, and bf549m.
+
+ From Jie Zhang <jie.zhang@analog.com>:
+ * config/bfin/predicates.md (p_register_operand): New predicate.
+ (dp_register_operand): New predicate.
+ * config/bfin/bfin-protos.h (WA_05000074): Define.
+ (ENABLE_WA_05000074): Define.
+ * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
+ (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
+ * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
+ (define_attr addrtype): Allow load/store register to be P register.
+ (define_attr storereg): New.
+ (define_cpu_unit anomaly_05000074): New.
+ (define_insn_reservation dsp32shiftimm): New.
+ (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
+ (define_insn_reservation loadp): Cannot use slot2.
+ (define_insn_reservation loadsp): Cannot use slot2.
+ (define_insn_reservation storep): Cannot use slot2. Does not
+ apply when working around 05000074.
+ (define_insn_reservation storep_anomaly_05000074): New.
+ (define_insn_reservation storei): Does not apply when working
+ around 05000074.
+ (define_insn_reservation storei_anomaly_05000074): New.
+ (define_attr length): Add dsp32shiftimm case.
+ (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
+ ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
+ movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
+ ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
+ Set type as dsp32shiftimm for dsp32shiftimm alternatives.
+
+2009-09-07 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/41282
+ * tree-sra.c (create_artificial_child_access): Return NULL if
+ build_ref_for_offset fails.
+ (propagate_subacesses_accross_link): Allow build_ref_for_offset
+ and create_artificial_child_access to fail.
+
+2009-09-06 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
+
+ PR c++/41214
+ * unwind-dw2.c (uw_init_context_1): Mark noinline.
+ * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
+ * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
+
+2009-09-07 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
+ block, ensure it has an exit edge. Emit a barrier after a jump.
+
+2009-09-07 Nick Clifton <nickc@redhat.com>
+
+ * gcc.c (this_is_linker_script): New variable. Like
+ this_is_library_file but for the %T constructor.
+ (end_going_arg): If this_is_linker_script is set then locate the
+ script and insert a --script switch before it
+ (do_spec_2): Initialise this_is_linker_script.
+ (do_spec_1): Likewise. Handle %T construct.
+ (eval_spec_function): Preserve this_is_linker_script.
+ * doc/invoke.texi: Document %T construct in spec files.
+ * config/m32c/m32c.h (LIB_SPEC): Use it.
+
+2009-09-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
+ * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
+ when volatile flag is set.
+ * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
+
+2009-09-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR bootstrap/41241
+ * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
+ (combine_stack_adjustments_for_block): Allow insns between stack
+ adjustments and stores with corresponding pre-(dec|inc)rement or
+ pre-modify operation.
+
+2009-09-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/41241
+ * combine-stack-adj.c (struct csa_memlist): Rename to...
+ (struct csa_reflist): ... this. Rename mem field to ref.
+ (free_csa_memlist): Rename to...
+ (free_csa_reflist): ... this.
+ (record_one_stack_memref): Rename to...
+ (record_one_stack_ref): ... this. Handle also REG_P.
+ (try_apply_stack_adjustment): Handle also REG_P.
+ (struct record_stack_memrefs_data): Rename to...
+ (struct record_stack_refs_data): ... this. Rename memlist field to
+ reflist.
+ (record_stack_memrefs): Rename to...
+ (record_stack_refs): ... this. For DEBUG_INSNs keep traversing
+ subexpressions instead of failing when a MEM contains SP references.
+ For SP itself in DEBUG_INSNs queue it also onto reflist chain.
+ (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
+
+2009-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41144
+ * tree.c (build_array_type): Do not record types marked
+ with structural equality in the canonical type hashtable.
+
+2009-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41261
+ * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
+
+2009-09-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41181
+ * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
+
+2009-09-05 Richard Guenther <rguenther@suse.de>
+
+ PR debug/41273
+ * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
+
+2009-09-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41271
+ * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
+ before comparing function argument types.
+
+2009-09-05 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR target/41024
+ * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
+ the assembler.
+
+2009-09-04 Uros Bizjak <ubizjak@gmail.com>
+
+ Revert:
+ 2009-08-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
+ locators before emit_insn is called.
+
+2009-09-04 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR bootstrap/41241
+ * ira.c (update_equiv_reg): Revert my previous patch for the PR.
+ * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
+ (reginfo_init): Don't call allocate_reg_info.
+
+2009-09-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/41262
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Use
+ NONDEBUG_INSN_P instead of INSN_P.
+
+2009-09-04 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41225
+ * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
+
2009-09-04 Alexandre Oliva <aoliva@redhat.com>
PR target/41252
(ctzsi2): New expand.
* config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
- testsuite/
- * gcc.target/arm/ctz.c: New test case.
-
2009-09-03 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (duplicate_expr_for_different_base): Removed.
(create_artificial_child_access): Use build_ref_for_offset instead
of duplicate_expr_for_different_base.
(propagate_subacesses_accross_link): Likewise.
-
+
2009-09-03 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
2009-09-03 Razya Ladelsky <razya@il.ibm.com>
* tree-parloops.c (separate_decls_in_region): Add space.
-
+
2009-09-03 Razya Ladelsky <razya@il.ibm.com>
- * tree-parloops.c (separate_decls_in_region): Change the condition
+ * tree-parloops.c (separate_decls_in_region): Change the condition
checking if there are reductions in the loop.
2009-09-03 Razya Ladelsky <razya@il.ibm.com>
PR tree-optimization/38275
-
- * tree-parloops.c (parallelize_loops): Replace profitability condition
+ * tree-parloops.c (parallelize_loops): Replace profitability condition
for expected number of iterations.
-2009-09-03 Alon Dayan <alond@il.ibm.com>
-
- PR tree-optimization/38275
-
- * testsuite/gcc.dg/autopar/reduc-1char.c: Increase number
- of iterations. Adjust the logic accordingly.
- * testsuite/gcc.dg/autopar/reduc-2char.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-1.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-2.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-3.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-6.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-7.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-8.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-9.c: Ditto.
- * testsuite/gcc.dg/autopar/pr39500-1.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-1short.c: Ditto.
- * testsuite/gcc.dg/autopar/reduc-2short.c: Ditto.
- * testsuite/gcc.dg/autopar/parallelization-1.c: Ditto.
-
-
2009-09-03 Alexandre Oliva <aoliva@redhat.com>
* doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
expand_expr_real_2): Declare.
* expr.c (emit_storent_insn, expand_expr_real_1,
expand_expr_real_2): Export.
- (store_expr): Setting and evaluating dont_return_target is
- useless.
+ (store_expr): Setting and evaluating dont_return_target is useless.
(expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
* except.c (expand_resx_expr): Rename to ...
* doc/invoke.texi (-fsched-pressure): Document it.
(-fsched-reg-pressure-heuristic): Remove it.
-
+
* reload.c (ira.h): Include.
(find_reloads): Add choosing reload on number of small spilled
classes.
-
+
* haifa-sched.c (ira.h): Include.
(sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
saved_reg_pressure, curr_reg_live, saved_reg_live,
(update_register_pressure, setup_insn_max_reg_pressure,
update_reg_and_insn_max_reg_pressure,
sched_setup_bb_reg_pressure_info): New functions.
- (schedule_insn): Add code for printing and updating reg pressure
- info.
+ (schedule_insn): Add code for printing and updating reg pressure info.
(find_set_reg_weight, find_insn_reg_weight): Remove.
(ok_for_early_queue_removal): Do nothing if pressure_only_p.
(debug_ready_list): Print reg pressure info.
(fix_tick_ready): Make insn always ready if pressure_p.
(init_h_i_d): Don't call find_insn_reg_weight.
(haifa_finish_h_i_d): Free insn reg pressure info.
-
+
* ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
ira_memory_move_cost, ira_class_hard_regs,
ira_class_hard_regs_num, ira_no_alloc_regs,
implicit sets when clearing reg_last_in_use.
(init_deps_global): Clear implicit_reg_pending_clobbers and
implicit_reg_pending_uses.
-
+
* ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
ira_memory_move_cost, ira_class_hard_regs,
ira_class_hard_regs_num, ira_no_alloc_regs,
ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
(ira_setup_eliminable_regset, ira_set_pseudo_classes,
ira_implicitly_set_insn_hard_regs): New prototypes.
-
+
* ira-costs.c (pseudo_classes_defined_p, allocno_p,
cost_elements_num): New variables.
(allocno_costs, total_costs): Rename to costs and
(common_classes): Rename to regno_cover_class.
(COST_INDEX): New.
(record_reg_classes): Set allocno attributes only if allocno_p.
- (record_address_regs): Ditto. Use COST_INDEX instead of
- ALLOCNO_NUM.
+ (record_address_regs): Ditto. Use COST_INDEX instead of ALLOCNO_NUM.
(scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
and COSTS_OF_ALLOCNO.
(print_costs): Rename to print_allocno_costs.
(resize_reg_info): Change return type.
(reg_cover_class): New.
(setup_reg_classes): Add new parameter.
-
+
* sched-int.h (struct deps_reg): New member implicit_sets.
- (sched_pressure_p, sched_regno_cover_class): New external
- definitions.
+ (sched_pressure_p, sched_regno_cover_class): New external definitions.
(INCREASE_BITS): New macro.
(struct reg_pressure_data, struct reg_use_data): New.
(struct _haifa_insn_data): Remove reg_weight. Add members
(struct reg_pressure_data, struct reg_use_data): New.
(INSN_REG_WEIGHT): Remove.
(INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
- INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New
- macros.
+ INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
(sched_init_region_reg_pressure_info,
sched_setup_bb_reg_pressure_info): New prototypes.
-
- * reginfo.c (struct reg_pref): New member coverclass.
+
+ * reginfo.c (struct reg_pref): New member coverclass.
(reg_cover_class): New function.
(reginfo_init, pass_reginfo_init): Move after free_reg_info.
(reg_info_size): New variable.
(resize_reg_info): Use reg_info_size. Return flag of resizing.
(setup_reg_classes): Add a new parameter. Setup cover class too.
- * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to the
- dependencies.
+ * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
+ the dependencies.
* sched-rgn.c (deps_join): Set up implicit_sets.
(schedule_region): Set up region and basic blocks pressure
relative info.
-
+
* passes.c (init_optimization_passes): Move
pass_subregs_of_mode_init before pass_sched.
-
+
2009-09-02 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (struct access): New field grp_hint.
Revert:
2009-07-31 Christian Bruel <christian.bruel@st.com>
* gcc/config.gcc (sh*-*-elf): test with_libgloss.
-
+
2009-09-01 Alexandre Oliva <aoliva@redhat.com>
* doc/invoke.texi (-fvar-tracking-assignments): New.
* regrename.c (regrename_optimize): Drop last. Don't count debug
insns as uses. Don't reject change because of debug insn.
(do_replace): Reject DEBUG_INSN as chain starter. Take base_regno
- from the chain starter, and check for inexact matches in
- DEBUG_INSNS.
+ from the chain starter, and check for inexact matches in DEBUG_INSNS.
(scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
(build_def_use): Simplify and fix the marking of DEBUG_INSNs.
* sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
* rtlanal.c (reg_used_between_p): Skip debug insns.
(side_effects_p): Likewise.
(canonicalize_condition): Likewise.
- * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
+ * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
insns never depend on debug insns.
(create_ddg_dep_no_link): Likewise.
(add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
(contributes_to_priority): Skip debug insns.
(dep_list_size): New.
(priority): Use it.
- (rank_for_schedule): Likewise. Schedule debug insns as soon as
+ (rank_for_schedule): Likewise. Schedule debug insns as soon as
they're ready. Disregard previous debug insns to make decisions.
(queue_insn): Never queue debug insns.
(ready_add, ready_remove_first, ready_remove): Count debug insns.
(fur_orig_expr_not_found): Skip debug insns.
* rtl.def (VALUE): Move up.
(DEBUG_INSN): New.
- * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug
- stmts.
+ * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
(nearest_common_dominator_of_uses): Take debug_stmts argument.
Set it if debug stmts are found.
(statement_sink_location): Skip debug stmts. Propagate
val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
(output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each
component instead of HOST_BITS_PER_LONG.
- (output_loc_operands): Likewise. For const8* assert
+ (output_loc_operands): Likewise. For const8* assert
HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
(output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
rather than HOST_BITS_PER_LONG is >= 64.
in its expression.
* cfgbuild.c (inside_basic_block_p): Handle debug insns.
(control_flow_insn_p): Likewise.
- * tree-parloops.c (eliminate_local_variables_stmt): Handle debug
- stmt.
+ * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
(separate_decls_in_region_debug_bind): New.
(separate_decls_in_region): Process debug bind stmts afterwards.
* recog.c (verify_changes): Handle debug insns.
* function.c (instantiate_virtual_regs): Handle debug insns.
* function.h (struct emit_status): Add x_cur_debug_insn_uid.
* print-rtl.h: Include cselib.h.
- (print_rtx): Print VALUEs. Split out and recurse for
- VAR_LOCATIONs.
+ (print_rtx): Print VALUEs. Split out and recurse for VAR_LOCATIONs.
* df.h (df_inns_rescan_debug_internal): Declare.
* gcse.c (alloc_hash_table): Estimate n_insns.
(cprop_insn): Don't regard debug insns as changes.
(cselib_subst_to_values): Adjust.
(cselib_log_lookup): New.
(cselib_lookup): Call it.
- (cselib_invalidate_regno): Don't count preserved values as
- useless.
+ (cselib_invalidate_regno): Don't count preserved values as useless.
(cselib_invalidate_mem): Likewise.
(cselib_record_set): Likewise.
(struct set): Renamed to cselib_set, moved to cselib.h.
(copy_body): Copy debug stmts at the end.
(insert_init_debug_bind): New.
(insert_init_stmt): Take id. Skip and emit debug stmts.
- (setup_one_parameter): Remap variable earlier, register debug
- mapping.
+ (setup_one_parameter): Remap variable earlier, register debug mapping.
(estimate_num_insns): Skip debug stmts.
(expand_call_inline): Preserve debug_map.
(optimize_inline_calls): Check for no debug_stmts left-overs.
(dataflow_set_clear_at_call): New.
(onepart_variable_different_p): New.
(variable_different_p): Use it.
- (dataflow_set_different_1): Adjust. Make detailed dump
- more verbose.
+ (dataflow_set_different_1): Adjust. Make detailed dump more verbose.
(track_expr_p): Add need_rtl parameter. Don't generate rtl
if not needed.
(track_loc_p): Pass it true.
(emit_notes_for_differences_1): Adjust. Handle values.
(emit_notes_for_differences_2): Likewise.
(emit_notes_for_differences): Adjust.
- (emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN
- notes. Adjust. Handle new micro-ops.
+ (emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN notes.
+ Adjust. Handle new micro-ops.
(vt_add_function_parameters): Adjust. Create and bind values.
(vt_initialize): Adjust. Initialize scratch_regs and
valvar_pool, flooded and perm.. Initialize and use cselib. Log
and var needs to be modified.
(dataflow_set_union): Set traversed_vars during canonicalization.
(VALUE_CHANGED, DECL_CHANGED): Define.
- (set_dv_changed, dv_changed_p): New static inlines.
+ (set_dv_changed, dv_changed_p): New static inlines.
(track_expr_p): Clear DECL_CHANGED.
(dump_dataflow_sets): Set it.
(variable_was_changed): Call set_dv_changed.
empty. Traverse changed_variables with check_changed_vars_1,
call check_changed_vars_2 on each changed_variables_stack entry.
(emit_notes_in_bb): Add SET argument. Just clear it at the
- beginning, use it instead of local &set, don't destroy it at the
- end.
+ beginning, use it instead of local &set, don't destroy it at the end.
(vt_emit_notes): Call dataflow_set_clear early on all
VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
computed set, dataflow_set_clear also VTI(bb)->in when we are
(print-rtl.o): Depend on cselib.h.
(cselib.o): Depend on TREE_PASS_H.
(var-tracking.o): Depend on cselib.h and TARGET_H.
- * sched-rgn.c (rgn_estimate_number_of_insns): Discount
- debug insns.
+ * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
(init_ready_list): Skip boundary debug insns.
(add_branch_dependences): Skip debug insns.
- (free_block_dependencies): Check for blocks with only debug
- insns.
+ (free_block_dependencies): Check for blocks with only debug insns.
(compute_priorities): Likewise.
* gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
(gimple_build_with_ops_stat): Take subcode as unsigned. Adjust
(verify_stmt): Likewise.
(debug_loop_num): Skip debug stmts.
(remove_edge_and_dominated_blocks): Remove dominators last.
- * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into
- debug stmts.
+ * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
(linearize_expr): Likewise.
* config/i386/i386.c (ix86_delegitimize_address): Call
default implementation.
- * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug
- insns.
+ * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
(group_barrier_needed): Skip debug insns.
(emit_insn_group_barriers): Likewise.
(emit_all_insn_group_barriers): Likewise.
* dce.c (deletable_insn_p): Handle VAR_LOCATION.
(mark_reg_dependencies): Skip debug insns.
* params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
- * tree-ssanames.c (release_ssa_name): Propagate def into
- debug stmts.
+ * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts): Skip debug stmts.
* regcprop.c (replace_oldest_value_addr): Skip debug insns.
2009-09-01 Richard Henderson <rth@redhat.com>
- * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
+ * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
stmt_ends_pp_p statements at least once.
* tree-vrp.c (vrp_initialize): Likewise.
(vrp_visit_stmt): Be prepared for non-interesting stmts.
(mep_return_in_memory): Zero-sized objects are passed in memory.
(mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
-
2009-08-31 Richard Guenther <rguenther@suse.de>
* builtins.c (fold_builtin_memory_op): Use the alias oracle
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