X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2FChangeLog;h=c5f65015e18bda464da750962622b7cc0f795bf0;hp=b452488904544bba0315776b5259c75a98c464b1;hb=e1a98f390bd09ca2e4917c573896eb34a54c9cf0;hpb=c748614266aa8c93c819c4b0d81338f7e465cd76 diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b4524889045..c5f65015e18 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,750 @@ +2012-05-24 Richard Guenther + + PR middle-end/53460 + * tree-profile.c (tree_profiling): Cleanup the CFG if + execute_fixup_cfg requests it. + +2012-05-24 Jakub Jelinek + + PR tree-optimization/53465 + * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range + vr0 into *vr, then vrp_meet that. + (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't + have any equivalences. + (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the + first time. + +2012-05-23 Eric Botcazou + + * gimple.c (gimple_types_compatible_p_1) : Remove bogus + size handling. + (gimple_canonical_types_compatible_p) : Likewise. + (iterative_hash_gimple_type): Adjust comment. + (iterative_hash_canonical_type): Likewise. Hash the bounds of the + domain for an array type instead of the domain type itself. + +2012-05-23 Georg-Johann Lay + + Backport from 2012-05-23 mainline r187803 + + PR target/53448 + * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1. + * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use + ASM_OUTPUT_ALIGN. + +2012-05-23 Ganesh Gopalasubramanian + + Backport from 2012-05-03 mainline r187075 + + * config/i386/driver-i386.c (host_detect_local_cpu): Reset + has_fma4 for AMD processors with both fma3 and fma4 support. + +2012-05-22 Richard Guenther + + PR tree-optimization/53408 + * tree-vect-loop.c (vectorizable_induction): Properly check + the restriction that we cannot handle induction results from + the inner loop outside of the outer loop. + +2012-05-21 Jakub Jelinek + + PR tree-optimization/53436 + * omp-low.c (omp_build_component_ref): New function. + (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it. + + PR tree-optimization/53366 + * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut + tests if complex_numbers == 2, but there are non-complex number loads + too. + + PR tree-optimization/53409 + * tree-vect-loop.c (vect_analyze_loop_operations): Don't check + vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop. + + PR tree-optimization/53410 + * fold-const.c (fold_binary_loc): Use build_zero_cst (type) + instead of build_int_cst (type, 0) where vector types might be + involved. + +2012-05-21 Joseph Myers + + PR c/53418 + * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR + from folded operands before wrapping another around the + conditional expression. + +2012-05-21 Dave Boutcher + Patrick Marlier + + * trans-mem.c (ipa_tm_transform_clone): Transform functions with + indirect calls. + +2012-05-21 H.J. Lu + + Backport from mainline + 2012-05-21 H.J. Lu + + PR target/53416 + * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ... + (UNSPECV_RDRAND): This. + (rdrand_1): Updated. + +2012-05-20 H.J. Lu + + Backport from mainline + 2012-05-20 H.J. Lu + + * config/i386/driver-i386.c (host_detect_local_cpu): Support + RDRND, F16C and FSGSBASE. + +2012-05-19 Eric Botcazou + + Backport from mainline + 2012-05-14 Eric Botcazou + + * tree-ssa-pre.c (can_value_number_call): Delete. + (compute_avail): Skip all statements with side effects. + : Skip calls to internal functions. + +2012-05-18 David S. Miller + + Backport r185385 from mainline + 2012-03-14 Richard Guenther + + PR middle-end/52584 + * tree-vect-generic.c (type_for_widest_vector_mode): Take + element type instead of mode, use build_vector_type_for_mode + instead of the langhook, build a vector of proper signedness. + (expand_vector_operations_1): Adjust. + +2012-05-18 Olivier Hainque + + * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of + $(libsubdir) as libexecsubdir. + +2012-05-16 Andrew Pinski + + * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under + GIMPLE_ASSIGN. + +2012-05-16 David S. Miller + + * jump.c (delete_related_insns): If we remove a CALL, make sure + we delete it's NOTE_INSN_CALL_ARG_LOCATION note too. + +2012-05-16 Richard Henderson + + PR debug/52727 + * combine-stack-adj.c (prev_active_insn_bb): New. + (next_active_insn_bb): New. + (force_move_args_size_note): New. + (combine_stack_adjustments_for_block): Use it. + +2012-05-16 Olivier Hainque + + * Makefile.in (install-no-fixedincludes): New target, former toplevel + gcc-no-fixedincludes. Stash "include-fixed" in addition to "include". + Add comments and improve stamp preservation across the whole sequence. + (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h. + +2012-05-16 Richard Guenther + + PR tree-optimization/53364 + * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly + detect a view-conversion of the decl. + +2012-05-15 Jakub Jelinek + + PR target/53358 + * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check + that operands[2] is either immediate, or q_regs_operand. + +2012-05-15 Bin Cheng + + Backport r187139 from mainline. + 2012-05-04 Bin Cheng + + PR rtl-optimization/52804 + * reload1.c (reload_reg_reaches_end_p): Check whether successor + reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register + of current one with type RELOAD_FOR_INPADDR_ADDRESS. + Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and + RELOAD_FOR_OUTADDR_ADDRESS. + +2012-05-14 Uros Bizjak + + PR target/46098 + * config/i386/i386.c (ix86_expand_special_args_builtin): Always + generate target register for "load" class builtins. + + Revert: + 2010-10-22 Uros Bizjak + + PR target/46098 + * config/i386/sse.md (*avx_movu): + Rename from avx_movu. + (avx_movu): New expander. + (*_movu): Rename from _movu. + (_movu): New expander. + (*avx_movdqu): Rename from avx_movdqu. + (avx_movdqu): New expander. + (*sse2_movdqu): Rename from sse2_movdqu. + (sse2_movdqu): New expander. + +2012-05-14 Jakub Jelinek + + * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat + lineno 1 the same as lineno 0 before first start file directive. + (optimize_macinfo_range): Likewise. + + * dwarf2out.c (have_macinfo): Define. + (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info + attribute, don't force empty compilation unit and don't emit any + .debug_macinfo/.debug_macro section if macinfo_table is empty. + +2012-05-13 Uros Bizjak + + Backport from mainline + 2012-05-12 Uros Bizjak + + * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle + ORDERED and UNORDERED conditions. + +2012-05-12 Eric Botcazou + + * function.c (requires_stack_frame_p): If the function can throw + non-call exceptions, return true if the insn can throw internally. + +2012-05-10 Eric Botcazou + + * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the + DECL_ORIGINAL_TYPE if it is present. + +2012-05-09 Georg-Johann Lay + + Backport from 2012-05-12 mainline r187342. + + PR target/53256 + * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove. + * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove. + * config/avr/avr.h (struct machine_function): Add attributes_checked_p. + * config/avr/avr.c (avr_asm_declare_function_name): Remove. + (expand_prologue): Move initialization of cfun->machine->is_naked, + is_interrupt, is_signal, is_OS_task, is_OS_main from here to... + (avr_set_current_function): ...this new static function. + (TARGET_SET_CURRENT_FUNCTION): New define. + (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of + checking attributes of current_function_decl. + (avr_regs_to_save): Ditto. + (signal_function_p): Rename to avr_signal_function_p. + (interrupt_function_p): Rename to avr_interrupt_function_p. + + * doc/extend.texi (Function Attributes): Better explanation of + 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish + alphabetical order. + +2012-05-09 Matthias Klose + + * gcc-ar.c (main): Don't check for execute bits for the plugin. + +2012-05-08 Hans-Peter Nilsson + + PR target/53272 + * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32, + when a constant source operand matches an "I" constraint, the "no + CC0 change" applies to a register-destination only, not a + strict_low_part-destination. + +2012-05-07 Ramana Radhakrishnan + + Backport from mainline: + 2012-04-19 Ramana Radhakrishnan + + * config/arm/sync.md (sync_optab): Change ior attribute to "or". + +2012-05-07 Jakub Jelinek + + PR tree-optimization/53239 + * tree-vrp.c (get_value_range): Set VR of + SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL + to nonnull. + +2012-05-07 Richard Guenther + + PR tree-optimization/53195 + * tree-inline.c (setup_one_parameter): Properly add referenced + vars from the parameters new known value. + +2012-05-06 John David Anglin + + Backport from mainline: + 2012-04-27 John David Anglin + + PR target/52999 + * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels + in constant pool. + +2012-05-04 Ian Lance Taylor + + * tree-vect-patterns.c (vect_single_imm_use): Correct return + values from false to NULL. + +2012-05-04 Uros Bizjak + + Backport from mainline + 2012-05-04 Uros Bizjak + + PR target/53228 + * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE. + (TARGET_CMOV): Rename from TARGET_CMOVE. + (TARGET_CMOVE): New define. + * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV. + Do not set TARGET_CMOVE here. + +2012-05-04 Ulrich Weigand + + Backport from mainline: + + 2012-05-04 Ulrich Weigand + + PR tree-optimization/52633 + * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of + vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern. + (vect_recog_over_widening_pattern): Remove handling of code that was + already detected as over-widening pattern. Remove special handling + of "unsigned" cases. Instead, support general case of conversion + of the shift result to another type. + + 2012-05-04 Ulrich Weigand + + * tree-vect-patterns.c (vect_single_imm_use): New function. + (vect_recog_widen_mult_pattern): Use it instead of open-coding loop. + (vect_recog_over_widening_pattern): Likewise. + (vect_recog_widen_shift_pattern): Likewise. + + 2012-04-10 Ulrich Weigand + + PR tree-optimization/52870 + * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that + presumed pattern statement is within the same loop or basic block. + +2012-05-04 Richard Guenther + + * common.opt (flto-report): Do not mark as Optimization. + +2012-05-04 Eric Botcazou + + PR target/48496 + * recog.c (constrain_operands): If extra constraints are present, also + accept pseudo-registers with equivalent memory locations during reload. + +2012-05-03 Michael Meissner + + Backport from the mainline + 2012-05-03 Michael Meissner + + PR target/53199 + * config/rs6000/rs6000.md (bswapdi splitters): If + -mavoid-indexed-addresses (or -mcpu=power6 which sets it by + default) is used, generate an alternate sequence that does not + depend on using indexed addressing. + +2012-05-03 David S. Miller + + PR target/52684 + * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a + MEM directly into a libcall, mark it's MEM_EXPR as addressable. + (sparc_emit_float_lib_cmp): Likewise. + +2012-05-04 Martin Jambor + + Backport from mainline + 2012-05-02 Martin Jambor + + PR lto/52605 + * dwarf2out.c (dwarf2out_decl): Only lookup die representing context + of a variable when the contect is a function. + +2012-05-03 Jakub Jelinek + + PR plugins/53126 + * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env, + append program name to it and pass that as first argument + to make_relative_prefix. Always pass standard_libexec_prefix + as last argument to make_relative_prefix. If + make_relative_prefix returns NULL, fall back to + standard_libexec_prefix. + + PR debug/53174 + * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being + removed. + + PR target/53187 + * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class + mode, return that mode. + +2012-05-03 Richard Guenther + + PR tree-optimization/53144 + * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces): + Rename to ... + (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal + with SSA name values. + (vn_reference_lookup_3): Adjust callers. + +2012-05-02 Jakub Jelinek + + PR tree-optimization/53163 + * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore + return value from compute_all_dependences. + + PR rtl-optimization/53160 + * ree.c (combine_reaching_defs): Handle the case where cand->insn + has been modified by ree pass already. + +2012-05-01 Uros Bizjak + + Backport from mainline + 2012-04-30 Uros Bizjak + + PR middle-end/53136 + * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple + calls to cgraph_node_name in xstrdup. + (ipa_make_edge_direct_to_target): Ditto. + * tree-sra.c (convert_callers_for_node): Ditto. + * lto-symtab.c (lto_cgraph_replace_node): Ditto. + * ipa-cp.c (perhaps_add_new_callers): Ditto. + * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto. + (cgraph_materialize_all_clones): Ditto. + * ipa-inline.c (report_inline_failed_reason): Ditto. + (want_early_inline_function_p): Ditto. + (edge_badness): Ditto. + (update_edge_key): Ditto. + (flatten_function): Ditto. + (ipa_inline): Ditto. + (inline_always_inline_functions): Ditto. + (early_inline_small_functions): Ditto. + +2012-04-30 Andreas Tobler + + Backport from mainline + 2012-03-21 Andreas Tobler + + * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*. + Introduce emul_name to select the right linker emulation for + powerpc64-*-freebsd*. + * configure: Regenerate. + * config.gcc: Add bits to support powerpc64-*-freebsd*. + * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define. + * config/rs6000/freebsd64.h: New file. + * config/rs6000/rs6000.c (rs6000_option_override_internal): Use + POWERPC_FREEBSD. + (rs6000_savres_strategy): Likewise. + (rs6000_savres_routine_name): Likewise. + (rs6000_elf_file_end): Likewise. + * config/rs6000/t-freebsd64: New file. + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the + rs6000_current_abi for 64-bit FreeBSD to ABI_AIX. + +2012-04-30 Uros Bizjak + + Backport from mainline + 2012-04-27 Paolo Bonzini + + PR target/53138 + * config/i386/i386.md (x86_movcc_0_m1_neg): Add clobber. + +2012-04-30 Eric Botcazou + + * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper + predicate to discriminate types. + +2012-04-27 Richard Guenther + + PR c/51527 + * convert.c (convert_to_integer): Avoid infinite recursion for + target-defined built-in types. + +2012-04-26 Hans-Peter Nilsson + + PR target/53120 + * config/cris/cris.md ("*andhi_lowpart_v32") + ("*andqi_lowpart_v32"): Change first input-only operand from + a (match_operand ...) to (match_dup 0). Drop alternatives with + const_int-matching constraints for redundancy. + ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop + three-operand alternative. + +2012-04-26 Uros Bizjak + + Backport from mainline + 2012-04-23 Uros Bizjak + + * config/i386/i386.md (*add_2): Add r/r/0 alternative. + (*addsi_2_zext): Ditto. + (*add_3): Ditto. + (*addsi_3_zext): Ditto. + (*add_5): Ditto. + +2012-04-25 Jakub Jelinek + + PR c/52880 + * c-typeck.c (set_nonincremental_init, + set_nonincremental_init_from_string): Pass true instead of false + as IMPLICIT to add_pending_init. + +2012-04-24 Georg-Johann Lay + + Backport from 2012-04-24 mainline r186768. + + PR target/53065 + * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define. + +2012-04-24 Richard Guenther + + PR tree-optimization/53085 + * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant + stores. + +2012-04-24 Jakub Jelinek + + PR middle-end/53084 + * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR + of MEM_REF. + (output_addressed_constants): Likewise. + + PR middle-end/52999 + * varasm.c (get_section): Don't ICE for section conflicts with + built-in section kinds. + +2012-04-23 David Edelsohn + + * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or". + +2012-04-23 Georg-Johann Lay + + * doc/extend.texi (AVR Named Address Spaces): Fix typos. + +2012-04-23 Richard Guenther + + PR c/53060 + * c-typeck.c (build_binary_op): Fix typo. + +2012-04-23 Jakub Jelinek + + PR tree-optimizations/52891 + * tree-vect-patterns.c (adjust_bool_pattern): Use + build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE, + but with non-standard precision. + +2012-04-22 Ian Lance Taylor + + * godump.c (go_output_typedef): Dump size of structs. + +2012-04-20 Ulrich Weigand + + Backport from mainline: + + * config/arm/arm.c (arm_print_operand): Fix invalid alignment + hints for 'A' operand types. + +2012-04-19 Georg-Johann Lay + + Backport from 2012-04-19 mainline r186588. + + PR target/53033 + * config/avr/avr.c (avr_out_load_psi): Fix assembler template for + the case *(X+const). + +2012-04-18 Uros Bizjak + + * config/alpha/sync.md (fetchop_name): Change ior attribute to "or". + +2012-04-17 Uros Bizjak + + PR target/53020 + * config/i386/sync.md (atomic_): Rename to + atomic_. + +2012-04-16 Uros Bizjak + + Backport from mainline + 2012-04-12 Uros Bizjak + + PR target/52932 + * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second + argument type to __m256i. Update call to __builtin_ia32_permvarsf256. + * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI. + (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2. + * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>: + Update builtin type to V8SF_FTYPE_V8SF_V8SI. + (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and + gen_avx2_permvarv8sf. + +2012-04-16 Martin Jambor + + Backported from mainline + + 2012-04-13 Martin Jambor + PR middle-end/52939 + + * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if + fold_ctor_reference returns a zero constant. + +2012-04-13 H.J. Lu + + Backported from mainline + 2012-04-13 H.J. Lu + + * config/i386/i386-c.c (ix86_target_macros): Define _ILP32 + and __ILP32__ for x32. + +2012-04-13 Tom de Vries + + Backport from mainline r186418. + + 2012-04-13 Tom de Vries + + * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add + parameters vuse and vuse_escaped. + (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to + gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and + vuse1 != vuse2. + +2012-04-13 Richard Guenther + + PR tree-optimization/52969 + * tree-if-conv.c (predicate_mem_writes): Properly gimplify + the condition for the COND_EXPR and handle predicate negation + by swapping the COND_EXPR arms. + +2012-04-13 Richard Guenther + + PR c/52862 + * convert.c (convert_to_pointer): Remove special-casing of + zero. + +2012-04-12 Michael Meissner + + Backport from mainline + 2012-04-12 Michael Meissner + + PR target/52775 + * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to + the list of options to enable the FCFID instruction. + (TARGET_EXTRA_BUILTINS): Adjust comment. + +2012-04-12 Richard Guenther + + PR tree-optimization/52943 + * tree-chrec.h (chrec_is_positive): Remove. + * tree-scalar-evolution.c (chrec_is_positive): Move ... + * tree-data-ref.c (chrec_is_positive): ... here. Make static. + Return false for a constant zero instead of negative. + (analyze_siv_subscript_cst_affine): Handle zero difference + in the initial condition explicitely. + +2012-04-10 John David Anglin + + PR middle-end/52894 + * varasm.c (process_pending_assemble_externals): Set + pending_assemble_externals_processed true. + (assemble_external): Call assemble_external_real if the pending + assemble externals have been processed. + +2012-04-09 Eric Botcazou + + PR target/52717 + * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on + the DECL generated for the special GOT helper. + +2012-04-06 Walter Lee + + Backport from mainline + 2012-03-07 Walter Lee + + * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate + REG_CFA_* notes for the stack pointer. + (tilegx_expand_epilogue): Restore stack pointer by adjusting it by + EH_RETURN_STACKADJ_RTX. + * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't + generate REG_CFA_* notes for the stack pointer. + (tilepro_expand_epilogue): Restore stack pointer by adjusting it + by EH_RETURN_STACKADJ_RTX. + +2012-04-06 Matt Turner + + * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc". + +2012-04-06 Eric Botcazou + + * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member + of the destination isn't also a FP_REGS register. + +2012-04-03 Richard Guenther + + Backport from mainline + 2012-03-02 Richard Guenther + + PR tree-optimization/52406 + * tree-data-ref.h: Update documentation about DR_BASE_OBJECT. + (struct indices): Add unconstrained_base member. + (struct dr_alias): Remove unused vops member. + (DR_UNCONSTRAINED_BASE): New define. + * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs + add indices to allow their disambiguation. Make DR_BASE_OBJECT + be an artificial access that covers the whole indexed object, + or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize + plain decl base-objects to their MEM_REF variant. + (dr_may_alias_p): When the base-object of either data reference + has unknown size use only points-to information. + (compute_affine_dependence): Make dumps easier to read and + more verbose. + * tree-vect-data-ref.c (vector_alignment_reachable_p): Use + DR_REF when looking for packed references. + (vect_supportable_dr_alignment): Likewise. + +2012-04-03 Richard Guenther + + Backport from mainline + 2012-03-15 Richard Guenther + + PR middle-end/52580 + * tree-data-ref.c (subscript_dependence_tester_1): Check + all dimensions for non-conflicting access functions. + +2012-04-03 Richard Guenther + + Backport from mainline + 2012-03-06 Richard Guenther + + PR middle-end/52493 + * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify. + + 2012-03-23 Richard Guenther + + PR tree-optimization/52678 + * tree-vectorizer.h (struct _stmt_vec_info): Add + loop_phi_evolution_part member. + (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define. + * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize + STMT_VINFO_LOOP_PHI_EVOLUTION_PART. + * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): + Use the cached evolution part and the PHI nodes value from + the loop preheader edge instead of re-analyzing the evolution. + + 2012-03-26 Richard Guenther + + PR tree-optimization/52701 + * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always + compute and set the evolution part of PHI nodes. + + 2012-03-30 Richard Guenther + + PR tree-optimization/52754 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only + propagate arbitrary addresses into really plain dereferences. + 2012-04-03 Jakub Jelinek PR tree-optimization/52835