2012-07-20 Kirill Yukhin PR target/53877 * config/i386/lzcntintrin.h (_lzcnt_u32): New. (_lzcnt_u64): Ditto. 2012-07-20 Andrey Belevantsev Backport from mainline 2012-03-06 Andrey Belevantsev PR rtl-optimization/52250 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb to put note list into. Unconditionally call move_bb_info. (move_bb_info): Do not assert the blocks being in the same region, just drop the note list if they are not. 2012-07-19 Eric Botcazou * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber. 2012-07-19 Eric Botcazou * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the defining statement is a SSA name that occurs in abnormal PHIs. 2012-07-19 Eric Botcazou * gimple-fold.c (canonicalize_constructor_val): Strip only useless type conversions. 2012-07-19 Richard Guenther Eric Botcazou * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment about transition from invariant to known bits. (likely_value): Addresses with UNDEFINED components are UNDEFINED. 2012-07-19 Jakub Jelinek PR middle-end/54017 * tree-cfgcleanup.c (cleanup_omp_return): Remove. (cleanup_tree_cfg_bb): Don't call it. * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case handling. 2012-07-19 Christian Bruel PR target/54029 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps. 2012-07-18 Ralf Corsépius * config.gcc (v850-*-rtems*): New target. * config/v850/rtems.h: New. * config/v850/t-rtems: New. 2012-07-18 Nick Clifton * doc/invoke.texi (ARM Options): Document -munaligned-access. 2012-07-15 Uros Bizjak PR target/53961 Backport from mainline 2012-04-25 Jakub Jelinek PR target/53110 * config/i386/i386.md (and3): For andq $0xffffffff, reg instead expand it as zero extension. 2012-07-14 Uros Bizjak * config/i386/i386.md (QImode and HImode cmove splitters): Merge QImode and HImode splitters. Use ix86_comparison_operator. Explicitly match FLAGS_REG. (DFmode cmove splitter): Explicitly match FLAGS_REG. 2012-07-13 Richard Sandiford Steven Bosscher Bernd Schmidt PR rtl-optimization/53908 * df-problems.c (can_move_insns_across): When doing memory-reference book-keeping, handle call insns. 2012-07-10 Uros Bizjak Backport from mainline 2012-07-03 Uros Bizjak PR target/53811 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies sibcall_insn_operand. Move it to a temporary register if not. 2012-07-06 Uros Bizjak PR target/53853 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model, emit PIC sequence for fnaddr symbol reference in advance. 2012-07-09 Jason Merrill PR c++/53882 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE. (type_hash_eq): Likewise. PR c++/53826 * tree.c (build_zero_cst): Handle NULLPTR_TYPE. 2012-07-07 Ulrich Weigand * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour due to negative shift amount. 2012-07-06 Kai Tietz Backport from mainline. PR bootstrap/52947 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always as "/mingw/include". 2012-07-06 Nick Clifton * config/mn10300/mn10300.c (mn10300_encode_section_info): Call default_encode_section_info. 2012-07-06 Richard Guenther Backport from mainline 2012-03-30 Richard Guenther PR middle-end/52786 * double-int.c (rshift_double): Remove not needed cast. 2012-03-28 Richard Guenther PR middle-end/50708 * double-int.h (rshift_double): Remove. * double-int.c (lshift_double): Use absu_hwi to make count positive. (rshift_double): Make static, take unsigned count argument, remove handling of negative count argument. (double_int_rshift): Dispatch to lshift_double. 2012-07-06 Richard Guenther Backport from mainline 2012-06-18 Richard Guenther PR tree-optimization/53693 * tree-vect-patterns.c (vect_operation_fits_smaller_type): Reject operands with more than one use. 2012-07-06 Richard Guenther Backport from mainline 2012-04-11 Richard Guenther PR middle-end/52621 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly consider loop nesting. (evolution_function_is_univariate_p): Properly check the remainder for chrecs. 2012-07-05 Pat Haugen Backport from mainline 2012-05-24 Pat Haugen * config/rs6000/rs6000.c (rs6000_option_override_internal): Change rs6000_sched_costly_dep default to true_store_to_load_dep_costly. (adjacent_mem_locations): Move some code to and call... (get_memref_parts): ...new function. (mem_locations_overlap): New function. (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn. (is_mem_ref): Rename to... (find_mem_ref): ...this. Return MEM rtx. (get_store_dest): Remove function. (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add new parameter and adjust calls. (rs6000_is_costly_dependence): Update calls for extra arg. Make sure mem refs overlap for true_store_to_load_dep_costly. (rs6000_sched_reorder2): Update calls for extra arg. Adjust args passed to adjacent_mem_locations. (is_costly_group): Walk resolved dependency list. (force_new_group): Emit group ending nop for Power6/Power7. * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value. (group_ending_nop): New define_insn. 2012-07-04 Richard Guenther PR middle-end/53433 * gimple-fold.c (get_base_constructor): Do not return an error_mark_node DECL_INITIAL. 2012-07-04 Uros Bizjak Backport from mainline 2012-07-03 Uros Bizjak * config/i386/i386.c (ix86_option_override_internal): Fix wrong code model string in the error message. 2012-07-04 Tristan Gingold Backport from mainline. 2012-06-25 Tristan Gingold * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ... (seh_cfa_adjust_cfa): ... that function. (seh_emit_stackalloc): Do not emit out of range values. * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE, UNSPEC_DEF_CFA constants. * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define. * config/i386/i386.c (ix86_frame_pointer_required): Required for very large frames on SEH target. (ix86_compute_frame_layout): Save area is before frame pointer on SEH target. Handle very large frames. (ix86_expand_prologue): Likewise. 2012-07-04 Richard Guenther * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same as in free_lang_data_in_type. 2012-07-02 Martin Jambor Backport from mainline. 2012-07-02 Martin Jambor PR middle-end/38474 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a dynamic type change check. 2012-06-29 Eric Botcazou * tree-eh.c (lower_try_finally_switch): Really put the location of the last statement of the finally block onto the switch. 2012-06-29 Ramana Radhakrishnan * configure: Regenerate. Backport from mainline. 2012-03-15 Ramana Radhakrishnan * config.gcc (target_type_format_char): New. Document it. Set it for arm*-*-* . * configure.ac (gnu_unique_option): Use target_type_format_char in test. Comment rationale. 2012-06-29 Ramana Radhakrishnan Backport from mainline. 2012-05-30 Ramana Radhakrishnan * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error. 2012-06-28 Georg-Johann Lay Backport from 2012-06-28 mainline r189049 PR 53595 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New. * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New. * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to avr_hard_regno_call_part_clobbered. 2012-06-28 Richard Guenther PR middle-end/53790 * expr.c (expand_expr_real_1): Verify if the type is complete before inspecting its size. 2012-06-27 Nick Clifton * config/rx/rx.md (comparesi3_extend): Remove = modifier from input operand. 2012-06-26 Alexandre Oliva PR debug/53682 * cselib.c (promote_debug_loc): Don't crash on NULL argument. 2012-06-26 Nick Clifton * config/rx/rx.md (simple_return): Use the simple_return rtx. 2012-06-25 Jakub Jelinek PR target/53759 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead of x x x in the vmovlps load alternative. 2012-06-22 Richard Guenther * gcov-iov.c: Include bconfig.h and system.h. 2012-06-22 Richard Guenther PR gcov-profile/53744 * gcov-iov.c (main): Treat "" and "prerelease" the same. 2012-06-22 Eric Botcazou * tree-ssa-live.c (remove_unused_scope_block_p): Remove again DECL_IGNORED_P non-reg vars even if they are used. 2012-06-19 Jason Merrill PR c++/52637 * dwarf2out.c (modified_type_die): Use scope_die_for. (gen_type_die_with_usage, dwarf2out_finish): Likewise. (uses_local_type_r, uses_local_type): New. (scope_die_for): Keep a type that uses a local type in local scope. Use get_context_die for namespace and type scope. 2012-06-19 Richard Guenther PR middle-end/53470 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but replace it with the first non-BLOCK context. 2012-06-18 Vladimir Makarov PR rtl-optimization/53700 Backport from mainline 2012-03-29 Vladimir Makarov * ira-color.c (setup_left_conflict_sizes_p): Process all conflicting objects. 2012-06-18 Venkataramanan Kumar Backport from mainline 2012-05-09 Uros Bizjak PR target/52908 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high. (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern instead of xop_mulv2div2di3_low. (xop_pdql): Fix vec_select selector. (xop_pdqh): Ditto. (xop_mulv2div2di3_low): Remove insn_and_split pattern. (xop_mulv2div2di3_high): Ditto. 2012-06-17 Uros Bizjak Backport from mainline: 2012-06-17 Uros Bizjak * config/i386/sse.md (vcvtph2ps): Fix vec_select selector. 2012-06-16 John David Anglin Backport from mainline: 2012-06-03 John David Anglin * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define. * config/pa/pa.c (pa_attr_length_millicode_call): Use MAX_PCREL17F_OFFSET instead of fixed offset. (pa_attr_length_call): Likewise. (pa_attr_length_indirect_call): Likewise. 2012-06-15 Walter Lee Backport from mainline: 2012-06-15 Walter Lee * config/tilegx/sync.md (atomic_fetch_): Fix typo. 2012-06-14 Maxim Kuvyrkov * config/tilegx/sync.md (atomic_fetch_sub): Fix typo. 2012-06-15 Aldy Hernandez Backport from mainline: 2012-05-31 Aldy Hernandez * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm. * gimple.h (block_in_transaction): Check for flag_tm. 2012-06-14 Aldy Hernandez PR tree-optimization/52558 Backport from mainline: 2012-05-21 Aldy Hernandez * gimple.h (gimple_set_in_transaction): Remove. (gimple_in_transaction): Look in BB instead. (gimple_statement_base): Remove in_transaction field. * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION. * trans-mem.c (compute_transaction_bits): Place transaction bit information into basic blocks. 2012-05-31 Aldy Hernandez PR tree-optimization/52558 * cfg.c (alloc_aux_for_edge): Fix comment. (alloc_aux_for_edge): Remove static. * basic-block.h (alloc_aux_for_edge): Protoize. * tree-ssa-loop-im.c (execute_sm_if_changed): New. (execute_sm_if_changed_flag): New. (execute_sm_if_changed_flag_set): New. (execute_sm): Do not generate data races unless requested. (tree_ssa_lim_initialize): Call alloc_aux_for_edges. (tree_ssa_lim_finalize): Call free_aux_for_edges. * gimple.h (block_in_transaction): New. (gimple_in_transaction): Use block_in_transaction. 2012-06-14 Jakub Jelinek Backported from mainline 2012-06-12 Jakub Jelinek PR rtl-optimization/53589 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge discovery even when e->dest != target. If any LABEL_REF points to e->dest label, redirect it to target's label. 2012-06-07 Jakub Jelinek PR middle-end/53580 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions returns false, replace stmt with GIMPLE_NOP. (check_omp_nesting_restrictions): Instead of issuing warnings, issue errors and return false if any errors were reported. 2012-06-14 Richard Guenther * BASE-VER: Set to 4.7.2. * DEV-PHASE: Set to prerelease. 2012-06-12 Christian Bruel PR target/53621 * config/sh/sh.c (sh_option_override): Don't force flag_omit_frame_pointer and maccumulate_outgoing_args. * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var. 2012-06-14 Release Manager * GCC 4.7.1 released. 2012-06-13 Uros Bizjak * config/ia64/sync.md (fetchop_name): Change ior attribute to "or". 2012-06-13 Richard Henderson * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode iterator instead of INT. 2012-06-08 Richard Henderson PR c++/53602 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE note to a clobber insn when no other insn is available. 2012-06-04 Paolo Carlini PR c++/53524 * doc/invoke.texi (Wenum-compare): Update documentation. 2012-06-04 Edmar Wienskoski PR target/53559 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of operands. (altivec_stvlxl): Ditto. (altivec_stvrx): Ditto. (altivec_stvrxl): Ditto. 2012-06-04 Aldy Hernandez PR middle-end/47530 * trans-mem.c (expand_block_edges): Do not skip the first statement when resetting the BB. 2012-06-04 Richard Guenther PR middle-end/53471 * dwarf2out.c (dwarf2out_finish): If generating LTO do not create new assembler names. 2012-06-04 Richard Guenther Backport from mainline 2012-04-25 Jakub Jelinek PR middle-end/52979 * stor-layout.c (get_best_mode): Don't return mode with bitsize larger than maxbits. Don't compute maxbits modulo align. Also check that unit bytes long store at bitpos / unit * unit doesn't affect bits beyond bitregion_end. * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM would not fit into bitregion_start ... bitregion_end + 1 bit region. (store_split_bit_field): Decrease unit close to end of bitregion_end if access is restricted in order to avoid mutual recursion. 2012-06-04 Georg-Johann Lay Backport from 2012-06-04 mainline r188172 PR target/46261 * config/avr/avr-stdint.h: New file. * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of newlib-stdint.h 2012-06-04 Jakub Jelinek PR tree-optimization/53550 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type is POINTER_TYPE_P, use sizetype as step type instead of type. 2012-06-04 Richard Guenther Eric Botcazou Backport from mainline 2012-04-03 Eric Botcazou * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS. Change type of BITOFFSET to signed. Make sure the lower bound of the computed range is non-negative by adjusting OFFSET and BITPOS. (expand_assignment): Adjust call to get_bit_range. 2012-03-27 Eric Botcazou * expr.c (get_bit_range): Return the null range if the enclosing record is part of a larger bit field. 2012-03-20 Richard Guenther * stor-layout.c (finish_bitfield_representative): Fallback to conservative maximum size if the padding up to the next field cannot be computed as a constant. (finish_bitfield_layout): If we cannot compute the distance between the start of the bitfield representative and the bitfield member start a new representative. * expr.c (get_bit_range): The distance between the start of the bitfield representative and the bitfield member is zero if the field offsets are not constants. 2012-03-16 Richard Guenther * stor-layout.c (finish_bitfield_representative): Fall back to the conservative maximum size if we cannot compute the size of the tail padding. 2012-03-14 Richard Guenther * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define. * stor-layout.c (start_bitfield_representative): New function. (finish_bitfield_representative): Likewise. (finish_bitfield_layout): Likewise. (finish_record_layout): Call finish_bitfield_layout. * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER for QUAL_UNION_TYPE fields. * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers): Stream DECL_BIT_FIELD_REPRESENTATIVE. * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise. PR middle-end/52080 PR middle-end/52097 PR middle-end/48124 * expr.c (get_bit_range): Unconditionally extract bitrange from DECL_BIT_FIELD_REPRESENTATIVE. (expand_assignment): Adjust call to get_bit_range. 2012-06-01 Eric Botcazou PR middle-end/53501 * fold-const.c (fold_binary_loc): Refine previous change. 2012-06-01 Oleg Endo Backport from mainline 2012-03-27 Chung-Lin Tang PR target/52667 * config/sh/sh.c (find_barrier): Add equality check of last_got to avoid going above orig insn. Update comments. 2012-06-01 Oleg Endo Backport from mainline 2012-03-21 Kaz Kojima PR target/52642 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of prologue for unwinder and profiler. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.md (abssi2): Add TARGET_SH1 condition. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.c (sh_dwarf_register_span): Don't apply DBX_REGISTER_NUMBER. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.c (shiftcosts): Return MAX_COST when the first operand is CONST_INT. Take COSTS_N_INSNS into account. (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of shiftcosts. 2012-05-31 Georg-Johann Lay * config/avr/avr.opt (-msp8): Document it. * doc/invoke.texi (AVR Options): Copy from trunk docu. 2012-05-31 Richard Guenther PR middle-end/48493 * expr.c (expand_assignment): Do not use movmisalign on non-memory. 2012-05-30 John David Anglin PR target/52999 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define. (pa_section_type_flags): New. (pa_legitimate_constant_p): Revert previous change. 2012-05-30 Aldy Hernandez Backport from mainline 2012-05-25 Aldy Hernandez PR middle-end/53008 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if accessed indirectly. (ipa_tm_create_version): Same. 2012-05-30 Jason Merrill PR c++/53220 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning about array compound literals. 2012-05-30 Richard Guenther PR middle-end/53501 * fold-const.c (fold_binary_loc): Make sure to call fold_plusminus_mult_expr with the original sign of operands. 2012-05-30 Eric Botcazou * explow.c (probe_stack_range): Restore simple control flow and stop again when the probe cannot be generated if HAVE_check_stack. 2012-05-30 Jakub Jelinek PR rtl-optimization/53519 * combine.c (simplify_shift_const_1) : Use constm1_rtx instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR. 2012-05-29 Richard Guenther PR tree-optimization/53516 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject bitfield accesses. * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise. 2012-05-28 Bill Schmidt Backport from mainline 2012-05-28 Richard Guenther PR tree-optimization/53438 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion. 2012-05-26 Eric Botcazou Backport from mainline 2012-03-10 Chung-Lin Tang PR rtl-optimization/52528 * combine.c (can_combine_p): Add setting of subst_low_luid before call to expand_field_assignment(). 2012-05-26 Martin Jambor Backport from mainline 2012-05-23 Martin Jambor * ipa-inline-analysis.c (inline_merge_summary): Free operand_map. 2012-05-25 Eric Botcazou PR lto/52178 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL. * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR. 2012-05-25 Alexander Ivchenko PR target/53435 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op. (ix86_expand_vec_perm): Use int mode instead of float. 2012-05-25 Eric Botcazou PR ada/52362 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and gnu_ld variables to yes. * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion. (HAVE_GNU_AS): Likewise. * config.in: Regenerate. * configure: Likewise. 2012-05-25 Ramana Radhakrishnan Backport from mainline 2012-03-12 Richard Guenther * config/arm/arm.c (neon_dereference_pointer): Do not call covert during RTL expansion. 2012-05-24 Bill Schmidt Backport from mainline 2012-05-18 Bill Schmidt PR target/53385 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely relied on signed overflow behavior. 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 * tree-data-ref.c (build_rdg): Return NULL if compute_data_dependences_for_loop failed. 2012-03-31 Eric Botcazou * tree-cfg.c (call_can_make_abnormal_goto): New predicate. (stmt_can_make_abnormal_goto): Use it. (is_ctrl_altering_stmt): Likewise. 2012-03-31 Martin Jambor Backported from mainline 2012-03-30 Martin Jambor * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there is a builtin_stack_save in a dominating BB. 2012-03-29 Uros Bizjak * config/i386/sse.md (avx_hv4df3): Fix results crossing 128bit lane boundary. 2012-03-29 Uros Bizjak Backported from mainline 2012-03-27 Uros Bizjak PR target/52698 * config/i386/i386-protos.h (ix86_legitimize_reload_address): New prototype. * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define. * config/i386/i386.c: Include reload.h. (ix86_legitimize_reload_address): New function. 2012-03-28 Martin Jambor Backported from mainline 2012-03-27 Martin Jambor PR middle-end/52693 * tree-sra.c (sra_modify_assign): Do not call load_assign_lhs_subreplacements when working with an unscalarizable region. 2012-03-28 Jakub Jelinek PR middle-end/52691 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize __builtin_va_start to __builtin_next_arg if the latter is builtin_decl_explicit_p rather than when it is not. PR middle-end/52750 * tree-vect-generic.c (vector_element): Perform multiplication for pos in bitsizetype type instead of idx type. 2012-03-28 Georg-Johann Lay Backport from 2012-03-28 mainline r185910. PR target/52692 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define. (avr_builtin_decl): New static function. (struct avr_builtin_description, avr_bdesc): Move up. Add GTY marker. Add field fndecl. Remove redundant field id. (avr_init_builtins): Initialize avr_bdesc[ID].fndecl. (avr_expand_builtin): Code cleanup because .id is removed. 2012-03-28 Aurelien Buhrig PR middle-end/51893 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian targets. 2012-03-28 Georg-Johann Lay Backport from 2012-03-28 mainline r185907. PR target/52737 * config.gcc (tm_file): Remove avr/multilib.h. * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack. * config/avr/genmultilib.awk: Remove code to generate multilib.h. (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack. * config/avr/t-avr: Remove generation of multilib.h. * config/avr/t-multilib: Regenerate. * config/avr/multilib.h: Remove. * config/avr/avr.opt (-msp8): New option. (avr_sp8): New variable. * config/avr/driver-avr.c (avr_device_to_sp8): New function. * config/avr/avr.h (AVR_HAVE_SPH): New define. (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8. (avr_device_to_sp8): New prototype. (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 } (DRIVER_SELF_SPECS): New define. * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines: __AVR_SP8__, __AVR_HAVE_SPH__. * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of AVR_HAVE_8BIT_SP to decide if SP_H is present. (avr_file_start): Ditto. 2012-03-28 Jakub Jelinek PR target/52736 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0 instead of 8 in adjust_address. 2012-03-27 Eric Botcazou * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple of a unit before computing the offset in units. 2012-03-27 Richard Guenther PR middle-end/52720 * fold-const.c (try_move_mult_to_index): Handle &x.array more explicitely. 2012-03-24 Eric Botcazou PR target/52610 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon. 2012-03-24 Steven Bosscher PR middle-end/52640 * varasm.c: Include pointer-set.h. (pending_assemble_externals_set): New pointer set. (process_pending_assemble_externals): Destroy the pointer set. (assemble_external): See if decl is in pending_assemble_externals_set, and add it to pending_assemble_externals if necessary. (init_varasm_once): Allocate pending_assemble_externals_set. 2012-03-23 Michael Meissner Backported from mainline 2012-03-06 Michael Meissner PR target/50310 * config/rs6000/vector.md (vector_uneq): Add support for UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons. (vector_ltgt): Likewise. (vector_ordered): Likewise. (vector_unordered): Likewise. * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise. 2012-03-23 Joern Rennecke * config/epiphany/epiphany.c (epiphany_function_value_regno_p): Make static. 2012-03-22 Kaz Kojima Backported from mainline 2012-03-02 Kaz Kojima PR target/48596 PR target/48806 * config/sh/sh.c (sh_register_move_cost): Increase cost between GENERAL_REGS and FP_REGS for SImode. 2012-03-22 Jakub Jelinek PR middle-end/52547 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars on any new_local_var_chain vars declared during recursing on GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body. 2012-03-22 Georg-Johann Lay Backport from 2012-03-22 mainline r185692. PR target/52496 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER. (unspecv): Add UNSPECV_MEMORY_BARRIER. (cli_sei): Use unspec_volatile instead of unspec for memory barrier. (delay_cycles_1, delay_cycles_2): Ditto. (delay_cycles_3, delay_cycles_4): Ditto. (nopv, *nopv): Ditto. (sleep, *sleep): Ditto. (wdr, *wdr): Ditto. Backport from 2012-03-21 mainline r185605. PR rtl-optimization/52543 PR target/52461 * config/avr/avr-protos.h (avr_load_lpm): New prototype. * config/avr/avr.c (avr_mode_dependent_address_p): New function. (TARGET_MODE_DEPENDENT_ADDRESS_P): New define. (avr_load_libgcc_p): Restrict to __flash loads. (avr_out_lpm): Only handle 1-byte loads from __flash. (avr_load_lpm): New function. (avr_find_unused_d_reg): Remove. (avr_out_lpm_no_lpmx): Remove. (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM. * config/avr/avr.md (unspec): Add UNSPEC_LPM. (load__libgcc): Use UNSPEC_LPM instead of MEM. (load_, load__clobber): New insns. (mov): For multi-byte move from non-generic 16-bit address spaces: Expand to load_ resp. load__clobber. (load_libgcc): Remove expander. (split-lpmx): Remove split. Backport from 2012-03-13 mainline r185329. PR target/52488 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack offset (size) to a value the insns can deal with. (expand_epilogue): Ditto. Backport from 2012-03-12 mainline r185256. PR target/52499 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return type from reg_class_t to enum reg_class. * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto. Backport from 2012-03-12 mainline r185253. PR target/52148 * config/avr/avr.c (avr_out_movmem): Fix typo in output template for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in r184615 from 2012-02-28. Backport from 2012-03-08 mainline r185105. * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative for constants in [-63,63]. Backport from 2012-03-08 mainline r185100. PR target/52496 * config/avr/avr.c (avr_mem_clobber): New static function. (avr_expand_delay_cycles): Add memory clobber operand to delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4. * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER. (enable_interrupt, disable_interrupt): New expander. (nopv, sleep, wdr): New expanders. (delay_cycles_1): Add memory clobber. (delay_cycles_2): Add memory clobber. (delay_cycles_3): Add memory clobber. (delay_cycles_4): Add memory clobber. (cli_sei): New insn from former "enable_interrupt", "disable_interrupt" with memory clobber. (*wdt): New insn from former "wdt" with memory clobber. (*nopv): Similar, but for "nopv". (*sleep): Similar, but for "sleep". Backport from 2012-03-07 mainline r185043. PR target/52484 * config/avr/avr.md (xload_A): Add R22... to register footprint. Backport from 2012-03-07 mainline r185032. PR target/52506 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration to: RAMPZ, RAMPY, RAMPX, RAMPD. (expand_prologue): Only clear RAMPZ if it has effect on RAM-read. Backport from 2012-03-07 mainline r185031. PR target/52505 * config/avr/avr.c (avr_out_xload): Don't read unintentionally from RAM. * config/avr/avr.md (xload_8): Adjust insn length. Backport from 2012-03-07 mainline r185030. PR target/52461 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage if RAMPZ affects reading from RAM. Backport from 2012-03-05 mainline r184919. * config/avr/avr.md (*umaddqihi4.2): New insn-and-split. 2012-03-22 Georg-Johann Lay Backport from mainline r185259. PR other/52545 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE. 2012-03-22 Jakub Jelinek Backported from mainline 2012-03-13 Jakub Jelinek PR c/52577 * c-parser.c (c_parser_postfix_expression) : Call mark_exp_read on argument values. * config/i386/smmintrin.h: Avoid /* within a comment. * config/i386/nmmintrin.h: Likewise. 2012-03-22 Richard Guenther * BASE-VER: Set to 4.7.1. * DEV-PHASE: Set to prerelease. 2012-03-22 Release Manager * GCC 4.7.0 released. 2012-03-16 Rainer Orth * doc/install.texi (Specific, *-*-solaris2*): Improve wording. 2012-03-15 Jakub Jelinek Andrew Pinski PR middle-end/52592 * builtins.c (expand_builtin_int_roundingfn_2): If expanding BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}* calls instead of __builtin_ir{int,ound}*. 2012-03-14 Jakub Jelinek PR c++/52582 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true if c_node is NULL. 2012-03-13 Joseph Myers * doc/invoke.texi (-std=c99), doc/standards.texi (C language): Refer to GCC 4.7 version of c99status.html. 2012-03-12 Michael Meissner Backport from mainline 2012-03-09 Michael Meissner * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not redefine to be NULL if the current bit-size is different from the configured bit-size. * config/rs6000/rs6000.c (rs6000_option_override_internal): If the cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to set the default tuning. Add asserts to make sure the cpu and tune indexes are defined. Fix tests for cpu/tune index to use >= 0 to test whether the index is set, instead of > 0. (rs6000_file_start): Do not reset the default cpu if the current bit-size is different from the configured bit-size. 2012-03-12 Rainer Orth * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update binutils reference. (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference. Update binutils references. (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11. Update binutils reference. Update Sun as/GNU ld caveat. Document binutils largefile requirement for LTO plugin. Remove reference to alternate libpthread. 2012-03-12 Rainer Orth * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils reference. (Specific, mips-sgi-irix6): Likewise. 2012-03-08 Rainer Orth * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label. * configure: Regenerate. 2012-03-07 Richard Henderson * config/m68k/m68k.h (ISA_HAS_TAS): New. * config/m68k/sync.md (atomic_test_and_set): Use it. (atomic_test_and_set_1): Likewise. 2012-03-07 Ralf Corsépius PR target/51417 * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext). Don't double canonicalize if cross-compiling. 2012-03-06 Aldy Hernandez * trans-mem.c: New typedef for tm_region_p. Define vector types for tm_region_p. (tm_region_init): Replace region_worklist to a vector called bb_regions. 2012-03-06 Aldy Hernandez PR middle-end/52463 * trans-mem.c (tm_region_init): Use last_basic_block. 2012-03-05 Richard Henderson PR tree-opt/52242 Revert: 2011-11-26 Richard Henderson * omp-low.c (expand_omp_atomic): Assume anything aligned to BIGGEST_ALIGNMENT is aligned. 2012-03-05 Oleg Endo * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook. 2012-03-05 Richard Henderson PR target/52481 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop instead of calling negqi2 directly. 2012-03-05 Rainer Orth * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare. (INTMAX_TYPE): Use it. (UINTMAX_TYPE): Likewise. (SUBTARGET_OVERRIDE_OPTIONS): Define. (irix6_c_common_override_options): Declare. (C_COMMON_OVERRIDE_OPTIONS): Define. * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define. * config/mips/irix6-c.c: New file. * config/mips/t-irix6 (irix6-c.o): New target. * config.gcc (mips-sgi-irix6.5): Set c_target_objs, cxx_target_objs. 2012-03-02 Richard Henderson * optabs.c (expand_atomic_test_and_set): Honor atomic_test_and_set_trueval even when atomic_test_and_set optab is not in use. 2012-03-02 Peter Bergner Backport from mainline 2012-03-02 Peter Bergner * config/rs6000/vsx.md (vsx_set_): Reorder operands. 2012-03-02 Richard Guenther * DEV-PHASE: Set to prerelease. 2012-03-01 Richard Earnshaw * config.gcc (obsolete): Add all ARM targets using the FPA. (with_fpu): Obsolete selection of the FPA or Maverick on ARM. * doc/install.texi: Avoid references to obsolete ARM ports. 2012-03-01 Joern Rennecke * config/epiphany/epiphany.md (movmisalign): New patterns. 2012-03-01 Jeremy Bennett Joern Rennecke * doc/extend.texi: Expand and update information on interrupt attribute for Epiphany. 2012-03-01 Oleg Endo * config/sh/sh-protos.h: Update copyright notice dates. * config/sh/sh.h: Likewise. * config/sh/sh.md: Likewise. * config/sh/constraints.md: Likewise. * config/sh/predicates.md: Likewise. 2012-03-01 Oleg Endo * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function. * config/sh/sh.c (tertiary_reload_operand): Likewise. 2012-03-01 Oleg Endo * config/sh/constraints.md: Fix comment typo. 2012-03-01 John David Anglin PR target/52408 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to unsigned HOST_WIDE_INT. (zvdep_imm64): Likewise. (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT. (vdepi_and): Likewise. Likewise for unamed 64-bit patterns. * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment. 2012-03-01 Alexandre Oliva PR debug/52001 PR rtl-optimization/52417 * cselib.c (cselib_any_perm_equivs): New variable. (cselib_reset_table): Check that it's not set when not preserving constants. (cselib_add_permanent_equiv): Set it. (cselib_have_permanent_equivalences): New. (cselib_init, cselib_finish): Reset it. * cselib.h (cselib_have_permanent_equivalences): Declare. * alias.c (get_addr): Restore earlier behavior when there aren't permanent equivalences. 2012-03-01 Steven Bosscher * config/mn10300/mn10300-modes.def: Fix copyright notice. * config/v850/v850-modes.def: Fix copyright notice. 2012-03-01 Georg-Johann Lay * doc/extend.texi (AVR Built-in Functions): Document __builtin_avr_flash_segment. * config/avr/builtins.def (__builtin_avr_flash_segment): New entry. * config/avr/avr.md (flash_segment, flash_segment1): New expanders. (*split.flash_segment): New insn-and-split. * config/avr/avr.c (avr_init_builtins): Add local variables: const_memx_void_node, const_memx_ptr_type_node, char_ftype_const_memx_ptr. 2012-03-01 Jakub Jelinek PR tree-optimization/52445 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field, add ssa_name_ver, offset and size fields and change store field to bool. (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes. (add_or_mark_expr): Likewise. Only consider previous stores with the same size and offset. (nt_init_block): Only look at gimple_assign_single_p stmts, doesn't look at rhs2. 2012-03-01 Richard Guenther PR middle-end/52443 * tree-cfg.c (verify_gimple_assign_unary): Allow any conversions from integral types to pointer types. 2012-03-01 Georg-Johann Lay * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ unintentionally removed in r184616. 2012-03-01 Venkataramanan Kumar * doc/invoke.texi: Document AMD bdver2 and remove mentioning 3DNow from bdver1. 2012-02-29 Jakub Jelinek Uros Bizjak PR target/52437 * config/i386/sse.md (vec_set_0): Swap "*r" and "fF" alternatives, add "e" constraint to the new last alternative and ! to last 3 alternatives. 2012-02-29 Eric Botcazou * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and DW_AT_artificial attributes at the end of the processing. (gen_array_type_die): Likewise. (gen_enumeration_type_die): Likewise. (gen_struct_or_union_type_die): Likewise. (add_gnat_descriptive_type_attribute): Do not suppress debug info for the parent type. 2012-02-29 Jakub Jelinek PR middle-end/52419 * expr.c (expand_assignment): If doing misaligned store that doesn't cover all mode bits, perform a RMW cycle. PR tree-optimization/52429 * tree-parloops.c (separate_decls_in_region_debug): Return early if var is LABEL_DECL. 2012-02-29 Bill Schmidt PR tree-optimization/52424 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before calling dom_thread_across_edge. 2012-02-29 Georg-Johann Lay * config/avr/avr.c: Move definition of TARGET macros to end of file. 2012-02-29 Georg-Johann Lay * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype. * config/avr/avr.c (avr_output_bld): Remove unused function. (avr_out_sbxx_branch): Use "%T" to print bit position. 2012-02-29 Georg-Johann Lay * config/avr/avr.md: Untabify. 2012-02-29 Georg-Johann Lay * config/avr/avr.md (eqne): New code iterator. (*dec-and-branchsi): Use it in text peephole's condition. (*dec-and-branchhi): Ditto. (*dec-and-branchqi): Ditto. 2012-02-29 Georg-Johann Lay PR target/49939 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that the device does not have the skip-bug. 2012-02-29 Oleg Endo * doc/invoke.texi (-msoft-atomic): Add more detailed description. (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd -mpretend-cmove): New. 2012-02-29 Jakub Jelinek PR bootstrap/52397 * df.h (struct df_d): Adjust comment that hard_regs_live_count doesn't count DEBUG_INSN refs. * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE for DEBUG_INSN refs. 2012-02-28 Ulrich Weigand Partially revert: 2012-02-20 Richard Guenther PR tree-optimization/52298 * tree-vect-stmts.c (vectorizable_load): Properly use STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops. 2012-02-28 Aldy Hernandez PR middle-end/51752 * gimple.h (gimple_in_transaction): New. (gimple_set_in_transaction): New. (struct gimple_statement_base): Add in_transaction field. * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of transaction loads. (tree_ssa_lim_initialize): Compute transaction bits. * tree.h (compute_transaction_bits): Protoize. * trans-mem.c (tm_region_init): Use the heap to store BB auxilliary data. (compute_transaction_bits): New. 2012-02-28 Bernhard Reutner-Fischer * gcc.c (display_help): Document --help=common and sort entries alphabetically. 2012-02-28 Bernhard Reutner-Fischer * doc/install.texi: Document check-$LANG specific shortcuts 2012-02-28 Matthew Gretton-Dann PR target/51534 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu and vcgtu. * config/arm/arm_neon.h: Regenerate. * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU. (neon_vcgeu): New insn. (neon_vcgtu): Likewise. * config/arm/neon.ml (s_8_32, u_8_32): New lists. (ops): Unsigned comparison intrinsics call a different builtin. 2012-02-28 Richard Guenther PR target/52407 * config/i386/i386.c (ix86_expand_vector_set): Fix element ordering for the VEC_CONCAT for two element vectors for V2SFmode, V2SImode and V2DImode. 2012-02-28 Richard Earnshaw PR target/49448 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for detecting big-endian triplets. 2012-02-28 Richard Earnshaw * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine mode if there is no type information available. 2012-02-28 Thomas Koenig PR tree-optimization/53207 * doc/invoke.texi: Document as experimental and relying on graphite. 2012-02-28 Georg-Johann Lay * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part of initializer to changes from r184614. 2012-02-28 Richard Guenther PR tree-optimization/52395 * tree-sra.c (build_ref_for_offset): Also look at the base TYPE_ALIGN when figuring out the alignment of the replacement. 2012-02-28 Richard Guenther PR tree-optimization/52402 * ipa-prop.c (ipa_modify_call_arguments): Properly use mis-aligned types when creating the accesses at the call site. 2012-02-28 Georg-Johann Lay * config/avr/builtins.def: New file. * config/avr/t-avr (avr.o, avr-c.o): Depend on it. * config/avr/avr.c (enum avr_builtin_id): Use it. (avr_init_builtins): Use it. And use avr_bdesc. (bdesc_1arg): Remove. (bdesc_2arg): Remove. (bdesc_3arg): Remove. (struct avr_builtin_description): Add field n_args. (avr_bdesc): New static variable using builtins.def. (avr_expand_builtin): Use it. Don't call avr_expand_delay_cycles if op0 is not CONST_INT. (avr_fold_builtin): Fold AVR_BUILTIN_SWAP. Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST. 2012-02-28 Georg-Johann Lay PR target/52148 * config/avr/avr.md (movmem_): Replace match_operand that match only one single hard register with respective hard reg rtx. (movmemx_): Ditto. * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new insn anatomy of movmem[x]_. (avr_out_movmem): Same for printing assembler and operand usage. 2012-02-28 Georg-Johann Lay PR target/49868 PR target/52261 * doc/extend.texi (AVR Named Address Spaces): No more try to fix address spaces located outside of device flash. * config/avr/avr.h (base_arch_s): Remove field n_segments. (mcu_type_s): Add field n_flash. * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments. Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5. (AVR_MCU): Add N_FLASH argument. * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash. * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in macro __FLASH if that address space makes sense for the device. * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces outside of target flash. (avr_asm_named_section): Ditto. (avr_asm_select_section): Ditto. (avr_addr_space_convert): Ditto. (avr_emit_movmemhi): Ditto. (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if address space is outside of device flash. (avr_insert_attributes): Ditto. (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of avr_current_arch->n_segments. 2012-02-27 H.J. Lu PR target/52352 * config/i386/i386.md (*movabs_1): Enable only for TARGET_LP64. (*movabs_2): Likewise. 2012-02-27 Jakub Jelinek PR target/52375 * config/arm/neon.md (vashr3, vlshr3): Use s_register_operand in the test instead of REG_P. Don't call gen_reg_rtx if it won't be used. PR tree-optimization/52376 * ipa-split.c (split_function): Ignore CLOBBER stmts. 2012-02-27 Stuart Henderson * ifcvt.c (noce_get_condition): Check condition variable is not small_register_classes_for_mode_p before accepting. 2012-02-27 Uros Bizjak * config/i386/i386.md (*movabs_1): Fix operand 1 constraints. 2012-02-27 Matthew Gretton-Dann Revert: 2012-01-09 Matthew Gretton-Dann * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for tuning parameters. * config/arm/arm.c (arm_cortex_a15_tune): New static variable. 2012-02-27 Oleg Endo * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro. 2012-02-26 Oleg Endo * config/sh/predicates.md: Remove blank lines. * config/sh/sh.c: Fix typos in comments. * config/sh/constraints.md: Likewise. * config/sh/sh.md: Remove blank lines. Fix typos in comments. Use ;; as comment characters. 2012-02-26 Walter Lee * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern. (replace_mov_pcrel_step2): Ditto. 2012-02-25 Alexandre Oliva PR debug/52001 * alias.c (refs_newer_value_cb, refs_newer_value_p): New. (get_addr): Walk canonical value's locs. Avoid returning VALUEs and locs that reference values newer than the non-canonical value at hand. Return the canonical value as a worst case. (memrefs_conflict_p): Walk canonical value's locs. PR debug/52001 * cselib.c (preserve_only_constants): Rename to... (preserve_constants_and_equivs): ... this. Split out... (invariant_or_equiv_p): ... this. Preserve plus expressions of other preserved expressions too. (cselib_reset_table): Adjust. * var-tracking.c (reverse_op): Use canonical value to build reverse operation. 2012-02-23 Kai Tietz * config/i386/i386.c (ix86_delegitimize_address): Handle UNSPEC_PCREL plus displacement. 2012-02-24 Georg-Johann Lay PR target/52261 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base to test for unusedness in st X addressing. 2012-02-24 Richard Guenther PR middle-end/52361 * gimple.c (walk_gimple_op): Use predicates with less redundant tests. (is_gimple_reg_type): Move inline ... * gimple.h (is_gimple_reg_type): ... here. 2012-02-24 Richard Guenther PR middle-end/52361 * passes.c (execute_function_todo): When verifying SSA form verify gimple form first. * tree-ssa.c (verify_ssa): Do not verify gimple form here. 2012-02-24 Richard Guenther PR middle-end/52355 * fold-const.c (fold_addr_of_array_ref_difference): New function. (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding. 2012-02-13 Bernhard Reutner-Fischer * tree-if-conv (predicate_scalar_phi): Commentary typo fix. 2012-02-23 Bernhard Reutner-Fischer * tree-phinodes.c (make_phi_node): Mark static. * tree-flow.h (make_phi_node): Remove extern decl. * doc/gimple.texi (make_phi_node): Remove documentation. 2012-02-23 Bernhard Reutner-Fischer * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file. * tree-ssa-sccvn.c (print_scc): Ditto. 2012-02-23 Bernhard Reutner-Fischer * doc/passes.texi (Full redundancy elimination): Fix typo. 2012-02-23 Bernhard Reutner-Fischer * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries. 2012-02-23 Eric Botcazou PR bootstrap/52287 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns. 2012-02-23 Uros Bizjak PR c/52290 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL. 2012-02-23 Georg-Johann Lay * config/avr/avr.md (code_stdname): Add ior, xor. (xior): New code iterator. (*qi.byte0): Use xior instead of ior. (*qi.byte1-3): Ditto. 2012-02-23 Jakub Jelinek PR tree-optimization/52019 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore CLOBBER stmts. 2012-02-23 Ulrich Weigand * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of HAVE_INITFINI_ARRAY to work around namespace pollution in certain versions of newlib system headers. * config.in: Regenerate. * configure: Regenerate. * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT instead of HAVE_INITFINI_ARRAY. 2012-02-22 Uros Bizjak PR target/52330 * config/i386/i386.c (ix86_print_operand) : Error out if x is not offsettable memory reference. 2012-02-22 Georg-Johann Lay PR target/18145 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip setting avr_need_clear_bss_p for __gnu_lto* symbols. 2012-02-22 Georg-Johann Lay * config/avr/avr.h (avr_accumulate_outgoing_args): Return int. * config/avr/avr.c (avr_accumulate_outgoing_args): Return int. 2012-02-22 Rainer Orth * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread library on Solaris 8 even without TLS support. * configure: Regenerate. 2012-02-22 Richard Guenther PR middle-end/52329 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs for GIMPLE_DEBUG stmts. 2012-02-22 Martin Jambor PR middle-end/51782 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space according to the base object. 2012-02-22 Georg-Johann Lay PR rtl-optimization/50063 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state) and 2 (8-bit SP) in operand 2. * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue setup to use movhi_sp_r instead of vanilla move to write SP. Adjust REG_CFA notes to superseed unspec. (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead of vanilla move. As function body might contain CLI or SEI: Use irq_state 0 (IRQ known to be off) only with TARGET_NO_INTERRUPTS. Never use irq_state 1 (IRQ known to be on) here. 2012-02-21 Bernd Schmidt * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not WORDS_BIG_ENDIAN. * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p, assign_hard_reg): Likewise. 2012-02-21 Georg-Johann Lay * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0". 2012-02-21 Georg-Johann Lay * config/avr/avr.md (*dec-and-branchhi!=-1.d.clobber): New text peephole. (*dec-and-branchhi!=-1.l.clobber): New text peephole. 2012-02-21 Georg-Johann Lay * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move prototype from here to... * config/avr/avr.h: ...here. 2012-02-21 Richard Earnshaw PR target/52294 * thumb2.md (thumb2_shiftsi3_short): Split register and immediate shifts. For register shifts tie operands 0 and 1. (peephole2 for above): Check that register-controlled shifts have suitably tied operands. 2012-02-21 Quentin Neill PR target/52137 * config/i386/bdver1.md (bdver1_call, bdver1_push, bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul, bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem, bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov, bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore, bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store, bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf, bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load, bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn, bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc, bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load, bdver1_fcomi, bdver1_fcom_load, bdver1_fcom, bdver1_fxch, bdver1_ssevector_avx128_unaligned_load, bdver1_ssevector_avx256_unaligned_load, bdver1_ssevector_sse128_unaligned_load, bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load, bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load, bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load, bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store, bdver1_mmxsse_store_short, bdver1_ssevector_avx256, bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256, bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog, bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load, bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256, bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd, bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd, bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps, bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps, bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd, bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd, bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si, bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi, bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq, bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi, bdver1_ssemuladd_load_256, bdver1_ssemuladd_256, bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load, bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd, bdver1_ssediv_double_load_256, bdver1_ssediv_double_256, bdver1_ssediv_single_load_256, bdver1_ssediv_single_256, bdver1_ssediv_double_load, bdver1_ssediv_double, bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins): Add "bdver2" attribute. 2012-02-21 Andreas Krebbel * config/s390/s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specified otherwise. 2012-02-21 Richard Guenther PR middle-end/52314 * gimplify.c (create_tmp_from_val): Use the main variant type for the type of the temporary we create. 2012-02-21 Richard Guenther PR tree-optimization/52324 * gimplify.c (gimplify_expr): When re-gimplifying expressions do not gimplify a MEM_REF address operand if it is already in suitable form. 2012-02-21 Andreas Krebbel * config/s390/s390.md ("fixuns_truncsi2"): Replace TARGET_HARD_FLOAT with TARGET_HARD_DFP. 2012-02-21 Richard Guenther * tree-vect-stmts.c (vectorizable_load): Use pre-computed nested_in_vect_loop. 2012-02-21 Jakub Jelinek PR tree-optimization/52318 * gimple-fold.c (gimplify_and_update_call_from_tree): Add vdef also to non-pure/const call stmts in the sequence. 2012-02-20 David S. Miller * config/sparc/sparc.md (load_pcrel_sym): Explain why we don't use the "rd %pc" instruction on v9 for PIC register loads. 2012-02-20 Aldy Hernandez PR middle-end/52141 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's in a transaction safe function. 2012-02-20 Kai Tietz PR target/52238 * stor-layout.c (place_field): Handle desired_align for ms-bitfields, too. 2012-02-20 Richard Guenther PR tree-optimization/52298 * tree-vect-stmts.c (vectorizable_store): Properly use STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops. (vectorizable_load): Likewise. * tree-vect-data-refs.c (vect_analyze_data_ref_access): Access DR_STEP after ensuring it is not NULL. 2012-02-20 Jakub Jelinek PR tree-optimization/52286 * fold-const.c (fold_binary_loc): For (X & C1) | C2 optimization use double_int_to_tree instead of build_int_cst_wide, rewrite to use double_int vars. 2012-02-20 Rainer Orth PR target/50166 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION. Define _start. Remove -e 0 from $gcc_cv_ld invocation. Only use __GLIBC_PREREQ if defined. Enable on Solaris since Solaris 8 patch. (gcc_SUN_LD_VERSION): New macro. * configure.ac (ld_ver) <*-*-solaris2*>: Refer to gcc_SUN_LD_VERSION for version number format. * configure: Regenerate. * varasm.c (get_elf_initfini_array_priority_section): Set SECTION_NOTYPE for non-default priority. Use get_section instead of get_unnamed_section to emit .init_array/.fini_array with default priority. 2012-02-19 Richard Sandiford * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable. (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally. (mips_start_unique_function, mips_output_mips16_rdhwr) (mips_code_end): New functions. (TARGET_ASM_CODE_END): Define. 2012-02-19 Richard Sandiford * config/mips/mips.c (mips16_build_call_stub): Add CFI information to stubs with non-sibling calls. 2012-02-18 Sandra Loosemore * doc/invoke.texi (-fira-* options): Copy-edit. (ira-* parameters): Copy-edit. 2012-02-17 Sandra Loosemore * doc/invoke.texi: Minor copy-edits to bring into conformance with GCC coding conventions. 2012-02-17 Sandra Loosemore * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian" when used as adjectives. 2012-02-16 Sandra Loosemore * doc/invoke.texi: Clean up "that"/"which" confusion. 2012-02-17 Steven Bosscher * system.h: Poison SMALL_REGISTER_CLASSES * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook. * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES. 2012-02-16 Jakub Jelinek PR tree-optimization/52285 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts when deciding if a call is a tail call or tail recursion. 2012-02-16 Kai Tietz * config/i386/i386.c (legitimate_pic_address_disp_p): Allow interger-constant displacement for UNSPEC_PCREL. 2012-02-16 Jakub Jelinek PR rtl-optimization/52208 * ira-costs.c (scan_one_insn): Don't decrease mem_cost for MEMs with REG_EQUIV, if the MEM isn't general_operand. PR tree-optimization/52255 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If loop->header has virtual PHI, but exit_e->dest doesn't, add virtual PHI to exit_e->dest and adjust all uses after the loop. PR debug/52260 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing children with clone_tree_hash, not after it. 2012-02-16 Iain Sandoe * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for extended identifiers. 2012-02-16 Jakub Jelinek PR middle-end/51929 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is a same_body_alias, also test whether e->callee isn't a former or current clone of the decl this is a same body alias of. PR translation/52264 * cgraphunit.c (verify_cgraph_node): Fix a typo. 2012-02-15 Sandra Loosemore * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers. 2012-02-15 Michael Meissner PR target/52199 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use force_reg instead of copy_to_reg for better optimization. Force non-register or memory operands into a register. 2012-02-15 Andrew MacLeod * extend.texi: Reserve upper bits of memory model for future use. 2012-01-15 Georg-Johann Lay Anatoly Sokolov Eric Weddington PR target/52261 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2, avrxmega4, avrxmega5, avrxmega6, avrxmega7. Rewrite initializers for .macro. * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs: avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4 atxmega32d4, atxmega32x1. avrxmega4: atxmega64a3, atxmega64d3. avrxmega5: atxmega64a1, atxmega64a1u. avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3, atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3. avrxmega7: atxmega128a1, atxmega128a1u. * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2, ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7. (struct base_arch_s): Rename reserved to xmega_p. Rename reserved2 to have_rampd. (AVR_XMEGA): New define. (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines. (AVR_HAVE_RAMPZ): Change definition to fit xmega. * config/avr/predicates.md (io_address_operand): Take into account SFR offset. (low_io_address_operand): Ditto. (high_io_address_operand): Ditto. * config/avr/avr.md (isa): Add alternatives no_xmega, xmega. (enabled, movhi_sp_r): Use them. * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use cpp_define_formatted to built-in define __AVR_ARCH__. (__AVR_XMEGA__): New built-in define. (__AVR_HAVE_RAMPD__): New built-in define. (__AVR_HAVE_RAMPX__): New built-in define. (__AVR_HAVE_RAMPY__): New built-in define. (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it. * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy. (avr_option_override): Initialize them. (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx. (avr_init_expanders): Initialize them. No more block several calls. (emit_push_sfr): New static function. (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed. Handle AVR_XMEGA. (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed. (avr_print_operand): Print addreeses as symbols for RAMPX, RAMPY, RAMPD, CCP. (output_movhi): Handle AVR_XMEGA when writing to SP. (avr_out_movhi_mr_r_xmega): New static function. (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA. (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__, __RAMPD__, __CCP__ as needed. * config/avr/multilib.h: Regenerate. * config/avr/t-multilib: Regenerate. * config/avr/avr-tables.opt: Regenerate. 2012-02-15 Tobias Grosser PR tree-optimization/50561 * graphite-flattening.c (lst_project_loop): Do not remove old scattering dimensions after flattening. (lst_do_flatten): Likewise. 2012-02-15 Georg-Johann Lay * doc/extend.texi (AVR Built-in Functions): Remove doc for __builtin_avr_map8, __builtin_avr_map16. Document __builtin_avr_insert_bits. * config/avr/avr.md (map_bitsqi, map_bitshi): Remove. (insert_bits): New insn. (adjust_len.map_bits): Rename to insert_bits. (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS. * avr-protos.h (avr_out_map_bits): Remove. (avr_out_insert_bits, avr_has_nibble_0xf): New. * config/avr/constraints.md (Cxf,C0f): New. * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16. New built-in define __BUILTIN_AVR_INSERT_BITS. * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define. (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS. (avr_move_bits): Rewrite. (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static functions. (avr_map_op_t): New typedef. (avr_map_op): New static variable. (avr_out_insert_bits, avr_has_nibble_0xf): New functions. (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS. (avr_init_builtins): Add definition for __builtin_avr_insert_bits. (bdesc_3arg, avr_expand_triop_builtin): New. (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS. (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove. (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove. (avr_map_equal_p, avr_map_sig_p): Remove. (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove. (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16. (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS. (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16. (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16. (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16. 2012-02-14 Bernd Schmidt * config/c6x/c6x.md (reserve_cycles): New attribute. * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate don't reserve functional units after the branch occurs. 2012-02-14 Aldy Hernandez PR middle-end/52142 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure functions into non-tm_pure functions. 2012-02-14 Eric Botcazou PR lto/52178 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P. (iterative_hash_canonical_type): Likewise. * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all the dead edges. 2012-02-14 Bernd Schmidt * haifa-sched.c (prune_ready_list): Ensure that if there is a sched-group insn, it either remains alone or the entire list is pruned. 2012-02-14 Jonathan Wakely * doc/install.texi (Prerequisites): Fix grammar. (Configuration): Likewise. 2012-02-14 Jonathan Wakely * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and MPC as part of GCC before describing configuring with --with-gmp etc. (Installing GCC: Configuration): --with-gmp etc. aren't needed if sources are present. 2012-02-14 Jakub Jelinek PR debug/51950 * dwarf2out.c (clone_tree_hash): New function. (copy_decls_walk): Use it instead of clone_tree. 2012-02-14 Richard Guenther PR tree-optimization/52244 PR tree-optimization/51528 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE replacements for integral types. 2012-02-14 Walter Lee * config.gcc: Handle tilegx and tilepro. * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for tilegx and tilepro. Add HAVE_AS_TLS check for tilegx and tilepro. * configure: Regenerate. * doc/contrib.texi: Add Mat Hostetter and self. * doc/extend.texi (TILE-Gx Built-in Functions): New node. Document instruction intrinsics and network accessing intrinsics. (TILEPro Built-in Functions): New node. Document instruction intrinsics and network accessing intrinsics. * doc/install.texi (Specific, tilegx-*-linux*): Document it. (Specific, tilepro-*-linux*): Likewise. * doc/invoke.texi (TILE-Gx Options): New section. (TILEPro Options): New section. * doc/md.texi (TILE-Gx): New section. (TILEPro): New section. * common/config/tilegx/tilegx-common.c: New file. * common/config/tilepro/tilepro-common.c: New file. * config/tilegx/constraints.md: New file. * config/tilegx/linux.h: New file. * config/tilegx/mul-tables.c: New file. * config/tilegx/predicates.md: New file. * config/tilegx/sync.md: New file. * config/tilegx/t-tilegx: New file. * config/tilegx/tilegx-builtins.h: New file. * config/tilegx/tilegx-c.c: New file. * config/tilegx/tilegx-generic.md: New file. * config/tilegx/tilegx-modes.def: New file. * config/tilegx/tilegx-multiply.h: New file. * config/tilegx/tilegx-protos.h: New file. * config/tilegx/tilegx.c: New file. * config/tilegx/tilegx.h: New file. * config/tilegx/tilegx.md: New file. * config/tilegx/tilegx.opt: New file. * config/tilepro/constraints.md: New file. * config/tilepro/gen-mul-tables.cc: New file. * config/tilepro/linux.h: New file. * config/tilepro/mul-tables.c: New file. * config/tilepro/predicates.md: New file. * config/tilepro/t-tilepro: New file. * config/tilepro/tilepro-builtins.h: New file. * config/tilepro/tilepro-c.c: New file. * config/tilepro/tilepro-generic.md: New file. * config/tilepro/tilepro-modes.def: New file. * config/tilepro/tilepro-multiply.h: New file. * config/tilepro/tilepro-protos.h: New file. * config/tilepro/tilepro.c: New file. * config/tilepro/tilepro.h: New file. * config/tilepro/tilepro.md: New file. * config/tilepro/tilepro.opt: New file. 2012-02-14 Jakub Jelinek PR tree-optimization/52210 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call vect_model_simple_cost with two entry vect_def_type array instead of an address of dt. 2012-02-14 Richard Guenther PR lto/52178 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers): Do not stream DECL_QUALIFIER. * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise. * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER. (find_decls_types_r): Do not walk DECL_QUALIFIER. 2012-02-14 Jakub Jelinek PR c/52181 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to newdecl. 2012-02-13 Jakub Jelinek PR bootstrap/52172 * cselib.h (cselib_subst_to_values_from_insn): New prototype. * cselib.c (cselib_subst_to_values_from_insn): New function. * sched-deps.c (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2): Use it. 2012-02-13 Jan Hubicka PR middle-end/52214 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch. 2012-02-13 Eric Botcazou * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm. (GTM_SELF_SPECS): Define if not already defined. (driver_self_specs): Add GTM_SELF_SPECS. * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm. (GTM_SELF_SPECS): Define. * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise. * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise. 2012-02-13 Jakub Jelinek * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right away if seen. * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL. PR middle-end/52230 * omp-low.c (expand_omp_for): If a static schedule without chunk size has NULL region->cont, force fd.chunk_size to be integer_zero_node. 2012-02-13 Andrew MacLeod PR c/52190 * doc/extend.texi : Fix another __atomic_compare_exchange typo. 2012-02-13 Richard Guenther PR translation/52211 * passes.c (enable_disable_pass): Fix typo. 2012-02-13 Jakub Jelinek PR middle-end/52209 * expr.c (expand_expr_real_2) : Only expand using XOR for reduce_bit_field if type is unsigned. 2012-02-12 Eric Botcazou * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode, disallow changes from SFmode to mode with different size in FP regs. 2012-02-12 Robert Millan Gerald Pfeifer * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define. Tweak comment. 2012-02-11 Richard Sandiford PR rtl-optimization/52175 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization to frame-related instructions. 2012-02-10 Jason Merrill PR c++/51910 * tlink.c (demangled_hash_entry): Change mangled to a VEC. (demangle_new_symbols): Fill it. (scan_linker_output): Walk it. (start_tweaking): Split out from scan_linker_output. (maybe_tweak): Update sym->chosen. * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o 2012-02-11 Jakub Jelinek PR debug/52132 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg. 2012-02-11 Uros Bizjak * compare-elim.c (find_comparisons_in_bb): Eliminate only compares having the same mode as previous compare. 2012-02-10 Eric Botcazou * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use. * config/sparc/sparc.md (UNSPECV_GOTO): Delete. (nonlocal_goto_internal): Likewise. (nonlocal_goto): Emit a use and an indirect jump directly. 2012-02-10 Andrew MacLeod PR c/52190 * doc/extend.texi : Update comments for __atomic_compare_exchange and __atomic_{is,always}_lock_free. 2012-02-10 Uros Bizjak PR target/52146 * config/i386/i386.c (ix86_legitimate_address_p): Disallow negative constant address for x32. 2012-02-10 Richard Henderson * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION. * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands for GIMPLE_TRANSACTION. Tidy if's into a switch. 2012-02-10 Bill Schmidt Ira Rosen PR tree-optimization/50031 * targhooks.c (default_builtin_vectorization_cost): Handle vec_promote_demote. * target.h (enum vect_cost_for_stmt): Add vec_promote_demote. * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle all types of reduction and pattern statements. (vect_estimate_min_profitable_iters): Likewise. * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function. (vect_get_load_cost): Use vec_perm for permutations; add dump logic for explicit realigns. (vectorizable_conversion): Call vect_model_promotion_demotion_cost. * config/spu/spu.c (spu_builtin_vectorization_cost): Handle vec_promote_demote. * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise. * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update vec_perm for VSX and handle vec_promote_demote. 2012-02-10 Jakub Jelinek PR middle-end/52177 * builtins.c (fold_builtin_atomic_always_lock_free, expand_builtin_atomic_always_lock_free, fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free): Return and/or test boolean_true_node/boolean_false_node instead of integer_one_node/integer_zero_node. 2012-02-10 Jan Hubicka PR middle-end/48600 * predict.c (predict_paths_for_bb): Prevent looping. (predict_paths_leading_to_edge, predict_paths_leading_to): Update. 2012-02-10 Roman Zhuykov * config/arm/arm.c (output_move_double): In one case properly count number of instructions that will be emitted. 2012-02-10 Richard Guenther PR translation/52193 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo. 2012-02-09 Peter Bergner PR middle-end/52140 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P. 2012-02-09 Jakub Jelinek PR debug/52165 * var-tracking.c (emit_note_insn_var_location): If EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION, emit it before next non-NOTE_INSN_CALL_ARG_LOCATION non-NOTE_DURING_CALL_P insn. 2012-02-09 Bin Cheng PR middle-end/51867 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P. 2012-02-08 Magnus Granberg PR driver/48524 * gcc.c (switch_matches) Support switches with separated form, -D and -U. 2012-02-08 Georg-Johann Lay * config/avr/avr.md (SREG_ADDR): Remove constant definition. (SP_ADDR): Ditto. (RAMPZ_ADDR): Ditto. * config/avr/avr.c (avr_addr_t): New typedef. (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG. (avr_init_expanders): Initialize it. (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR, SREG_ADDR. (expand_epilogue): Ditto. (avr_print_operand): Ditto. (avr_file_start): Ditto. (avr_emit_movmemhi): Ditto. 2012-02-08 Richard Guenther PR tree-optimization/46886 * tree-flow.h (do_while_loop_p): Declare. * tree-ssa-loop-ch.c (do_while_loop_p): Export. * tree-parloops.c (parallelize_loops): Only parallelize do-while loops. 2012-02-08 Andrew MacLeod * optabs.c (expand_atomic_load): Do not assume compare_and_swap will always succeed for integers larger than a native word. 2012-02-08 Richard Guenther PR rtl-optimization/52170 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to properly handle integer vector modes. 2012-02-08 Jakub Jelinek PR gcov-profile/52150 * coverage.c: Include target.h. (build_var): Call targetm.strip_name_encoding on the assembler name. Change one _ into . or $ if the target allows it. * Makefile.in (coverage.o): Depend on $(TARGET_H). PR rtl-optimization/52139 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END is a BARRIER after emit_insn_after_noloc, move BB_END to the last non-BARRIER insn before it. 2012-02-07 Richard Sandiford PR middle-end/24306 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function. (mips_gimplify_va_arg_expr): Call it instead of std_gimplify_va_arg_expr. 2012-02-07 Michael Meissner * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error message for -mno-pointers-to-nested-function. 2012-02-07 Eric Botcazou PR middle-end/51994 * expr.c (get_inner_reference): If there is an offset, add a negative bit position to it (if any). 2012-02-07 Jakub Jelinek PR rtl-optimization/52060 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables, copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy and/or i0src_copy2 when needed. 2012-02-07 Jakub Jelinek * gcc.c (main): Don't look for lto-wrapper or lto-wrapper or LTOPLUGINSONAME if have_c. * config/freebsd-spec.h: Add comment about what macros can be defined in this header. (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here. * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But here instead. 2012-02-07 Richard Guenther * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive newline in -alias dumps. 2012-02-07 Kai Tietz Dave Korn PR target/40068 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Take care that typinfo gets dllexport-attribute. 2012-02-07 Jakub Jelinek PR middle-end/52074 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL if modifier < EXPAND_SUM call force_operand on the result. 2012-02-07 Joern Rennecke * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine, adding __forwarder_dst__ prefix if a forwarder_section attribute is present. (epiphany_function_type): Replace types for specific interrupts with EPIPHANY_FUNCTION_INTERRUPT. (EPIPHANY_INTERRUPT_P): Update. * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute): New static function. (epiphany_attribute_table) : min_len is 0, max_len is 9. : Affects type identity. (epiphany_handle_interrupt_attribute): Handle variable number of arguments. (epiphany_compute_function_type): Update for new epiphany_function_type definition. (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt handlers with a longcall forwarder. (epiphany_start_function): Handle multiple interrupt arguments and/or forwarder_section attribute. * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss. 2012-02-07 Alan Modra PR target/52107 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode subregs of TFmode. 2012-02-06 Bill Schmidt PR tree-optimization/50969 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to use vec_perm rather than vector_stmt. (vect_model_load_cost): Likewise. * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of vec_perm to be the same as other vector statements. * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise cost of vec_perm for TARGET_VSX. 2012-02-06 Richard Guenther PR tree-optimization/52115 * tree-sra.c (access_has_replacements_p): New function. (sra_modify_assign): Use it to decide whether a use is uninitialized. 2012-02-06 Patrick Marlier PR middle-end/52047 * trans-mem.c (expand_call_tm): Add an assertion. * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops' functions. 2012-02-06 Richard Guenther PR tree-optimization/50955 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially raise cost of expressions that replace an address with an expression based on a different pointer. 2012-02-06 Jakub Jelinek PR target/52129 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it. 2012-02-06 Jonathan Wakely PR c++/48680 * doc/invoke.texi (C++ Dialect Options): Use @option markup for -Weffc++ and specify guidelines come from second edition. 2012-02-05 Richard Sandiford * config/mips/mips.md (sibcall_internal, sibcall_value_internal) (sibcall_value_multiple_internal, call_split, call_internal_direct) (call_direct_split, call_value_split, call_value_internal_direct) (call_value_direct_split, call_value_multiple_split): Use jal and jal_macro attributes. 2012-02-05 Richard Sandiford * reload1.c (reload_regs_reach_end_p): Replace with... (reload_reg_rtx_reaches_end_p): ...this function. (new_spill_reg_store): Update commentary. (emit_input_reload_insns): Don't clear new_spill_reg_store here. (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p before setting new_spill_reg_store. (emit_reload_insns): Use a separate loop to clear new_spill_reg_store. Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p. Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store for non-spill reload registers. 2012-02-05 Ira Rosen PR tree-optimization/52091 * tree-vectorizer.h (vect_is_simple_use): Add an argument. (vect_is_simple_use_1): Likewise. * tree-vect-loop.c (vectorizable_reduction): Update calls to vect_is_simple_use_1 and vect_is_simple_use. (vectorizable_live_operation): Likewise. * tree-vect-patterns.c (widened_name_p, vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise. * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand, vectorizable_call, vectorizable_conversion, vectorizable_assignment, vectorizable_shift,vectorizable_operation, vectorizable_store, vectorizable_load): Likewise. (vect_is_simple_cond): Add an argument, pass it to vect_is_simple_use_1. (vectorizable_condition): Update calls to vect_is_simple_cond, vect_is_simple_use. (vect_is_simple_use): Add an argument, the statement in which OPERAND is used. Check that if OPERAND's def stmt is a double reduction phi node, the use is a phi node too. (vect_is_simple_use_1): Add an argument, pass it to vect_is_simple_use. * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call to vect_is_simple_use. 2012-02-04 Jakub Jelinek PR rtl-optimization/52095 * modulo-sched.c (dump_insn_locator): New function. (loop_canon_p, sms_schedule): Use it. PR rtl-optimization/52113 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized even for decomposable shift/zext insns. 2012-02-03 Jakub Jelinek Zdenek Dvorak PR rtl-optimization/52092 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared on get_iv_value result. 2012-02-02 Andrew Pinski PR middle-end/47982 PR middle-end/43967 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo. 2012-02-02 Jakub Jelinek PR middle-end/48071 * diagnostic.c (diagnostic_finish): Remove trailing newlines. 2012-02-02 Vladimir Makarov PR rtl-optimization/49800 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs. (sched_finish): Call regstat_free_n_sets_and_refs. 2012-02-02 Jia Liu * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather than operand 2. 2012-02-02 Jan Hubicka Tom de Vries PR middle-end/51998 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases. * varpool.c (varpool_analyze_pending_decls): Likewise. 2012-02-02 Sumanth G Jayant R Sonar * config.gcc: Add cr16-* support. * doc/extend.texi: Document cr16 extensions. * doc/install.texi: Document cr16 install. * doc/invoke.texi: Document cr16 options. * doc/md.texi: Document cr16 constraints. * common/config/cr16/cr16-common.c: New file. * config/cr16/cr16.c: New file. * config/cr16/cr16.h: New file. * config/cr16/cr16.md: New file. * config/cr16/cr16.opt: New file. * config/cr16/cr16-protos.h: New file. * config/cr16/predicates.md: New file. * config/cr16/constraints.md: New file. * config/cr16/t-cr16: New file. 2012-02-02 Jakub Jelinek PR target/52086 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check that operands[2] is either immediate, or q_regs_operand. PR tree-optimization/52073 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of a pattern stmt for pattern uses, ignore uses outside of the loop. 2012-02-01 Georg-Johann Lay * config/avr/avr.c: Resolve all AS1 and AS2 macros. * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove. (OUT_AS1, OUT_AS2): Remove. 2012-02-01 Georg-Johann Lay PR rtl-optimization/51374 * combine.c (can_combine_p): Don't allow volatile_refs_p insns to cross other volatile_refs_p insns. 2012-02-01 Richard Guenther * doc/invoke.texi (fno-inline): Clarify documentation. (finline-small-functions): Likewise. (finline-functions): Likewise. * common.opt (finline): Adjust comment and documentation. (finline-small-functions): Clarify documentation. (finline-functions): Likewise. (finline-functions-called-once): Likewise. 2012-02-01 Tristan Gingold * c-typeck.c (composite_type): Keep mode for pointers. 2012-01-31 Richard Sandiford * function.h (regno_reg_rtx): Adjust comment. * reginfo.c (init_reg_modes_target): Only use the previous mode if it fits within one register. Remove MIPS comment. 2012-01-31 Jakub Jelinek PR bootstrap/52058 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0. 2012-01-31 Andreas Krebbel * config/s390/s390.md ("*ashr3_and"): Add missing z196 flag to srak instruction. 2012-01-31 Matthew Gretton-Dann * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition. 2012-01-31 Jakub Jelinek PR bootstrap/52041 PR bootstrap/52039 PR target/51974 * ipa-prop.c (detect_type_change_1): Call ao_ref_init. 2012-01-31 Richard Guenther PR tree-optimization/51528 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate assigns. 2012-01-31 Jakub Jelinek PR bootstrap/52041 PR bootstrap/52039 PR target/51974 * ree.c (add_removable_extension): Change def_map argument to unsigned *, store in def_map 1 + offset into *insn_list vector instead of pointers into the vector. (find_removable_extensions): Adjust caller. 2012-01-30 Georg-Johann Lay * config/avr/avr.md: Resolve all AS1 and AS2 macros. Transform all "* quoted-c-code" to { c-code }. Remove redundant test for "optimize" in combine patterns. Move (include "avr-dimode.md") to end of file. 2012-01-30 Bin Cheng PR target/51835 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI for __aeabi_d2iz/__aeabi_d2uiz with hard-float. 2012-01-30 Richard Guenther PR tree-optimization/52028 * tree-loop-distribution.c (ldist_gen): Properly update virtual SSA form. 2012-01-30 Jakub Jelinek PR debug/52027 * dwarf2out.c (dwarf2out_switch_text_section): Don't call set_cur_line_info_table if not emitting debug info. PR tree-optimization/52046 * tree-vect-patterns.c (check_bool_pattern): Give up if a comparison could throw. PR debug/52048 * tree-ssa-tail-merge.c (local_def): Ignore debug uses. 2012-01-30 Richard Guenther PR tree-optimization/52045 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update SSA form if cfgcleanup did anything. 2012-01-30 Richard Guenther PR tree-optimization/52045 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg before computing final todo. 2012-01-30 Richard Guenther PR tree-optimization/51528 * tree-sra.c (sra_modify_assign): Re-factor in preparation for PR51528 fix. 2012-01-30 Paolo Bonzini * df-problems.c (df_kill_notes): Check that the use refers to the note under examination. 2012-01-30 Eric Botcazou PR target/51920 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE parameter and use short-lived pseudos. (vector_init_faligndata): Remove INNER_MODE parameter and use loop. (sparc_expand_vector_init): Const-ify local variables and adjust calls to above functions. 2012-01-30 Georg-Johann Lay * config/avr/avr.c (out_movqi_mr_r): Fix length computation. 2012-01-29 Sandra Loosemore * doc/invoke.texi: Make usage of "compile time" and "run time"/"runtime" consistent throughout the file. 2012-01-29 Uros Bizjak * config/alpha/alpha.c (alpha_option_override): Default to full IEEE compliance mode for Go language. 2011-01-29 Tijl Coosemans * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP] (LINK_SSP_SPEC): Define. 2012-01-28 John David Anglin PR target/51871 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export stubs. 2012-01-28 Sandra Loosemore * doc/invoke.texi: Correct hyphenation of "floating point", "double precision", and related terminology throughout the file. 2012-01-28 Jakub Jelinek PR target/52006 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use arm_general_register_operand predicate for operand 2 instead of register_operand. 2012-01-27 Ian Lance Taylor PR go/47656 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define. * builtins.c (expand_builtin_init_trampoline): Add onstack parameter. Change caller. (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE. * tree.c (build_common_builtin_nodes): Declare __builtin_init_heap_trampoline. 2012-01-27 Georg-Johann Lay * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx, tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global. * config/avr/avr.c: Ditto. (avr_regnames): Remove because unused. * config/avr/avr.md (*cpse.ne): New peephole. (*cpse.eq): New peephole from former cpse peepholes. 2012-01-27 Michael Eager * config/microblaze.c (microblaze_emit_compare): Correct test after pcmp instruction. 2012-01-27 Richard Guenther PR tree-optimization/52020 * tree-sra.c (sra_modify_assign): Do not transform clobbers. 2012-01-27 Richard Guenther * ipa-pure-const.c (check_stmt): Clobbers do not make a function non-const/pure. 2012-01-27 Richard Guenther PR tree-optimization/50444 * tree-sra.c (build_ref_for_offset): Properly adjust the MEM_REF type for unaligned accesses. 2012-01-27 Richard Guenther PR tree-optimization/50444 * expr.c (mem_ref_refers_to_non_mem_p): New function. (expand_assignment): Use it. Properly handle misaligned bases when expanding stores to component references. (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and refactor that case. 2012-01-27 Andrey Belevantsev PR middle-end/51389 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H). * tree-data-ref.h (find_data_references_in_loop): Remove declaration. * tree-data-ref.c (find_data_references_in_loop): Make static. (compute_all_dependences): Change return type to bool. Bail out for too many datarefs in a loop. Move the hunk resetting the data dependences vector from ... (compute_data_dependences_for_loop): ... here. Account for compute_all_dependences returning false. (compute_data_dependences_for_bb): Likewise. * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param. * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it. 2012-01-27 Richard Guenther PR middle-end/51959 * expr.c (store_field): Use the alias-set of the scratch memory for storing to it. 2012-01-27 Tom de Vries PR tree-optimization/51990 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same. 2012-01-27 Jakub Jelinek PR debug/52001 * var-tracking.c (reverse_op): Don't add any reverse operation if V already has any constant locations. 2012-01-27 Sandra Loosemore * doc/invoke.texi: Correct usage of "command line" (noun) vs "command-line" (adjective) throughout. 2012-01-27 Sandra Loosemore * doc/invoke.texi (Language Independent Options): Move -Wcoverage-mismatch blurb from here.... (Warning Options): ...to here. 2012-01-27 Peter Bergner * config/rs6000/rs6000.c (rs6000_option_override_internal): Set rs6000_always_hint to false for 476. 2012-01-27 Matthias Klose * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from system root. * incpath.c (add_standard_paths): Likewise. 2012-01-27 Richard Henderson * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * config/m68k/sync.md (atomic_test_and_set): Rename from sync_test_and_setqi and adjust the operands. (atomic_test_and_set_1): Rename from sync_test_and_setqi_1 and unconditionally enable. 2012-01-27 Richard Henderson * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * config/sparc/sync.md (atomic_test_and_set): Only handle QImode. (ldstub): Rename from ldstubqi. (ldstub): Remove. 2012-01-27 Richard Henderson * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * c-cppbuiltin.c (cpp_atomic_builtins): Define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL. * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook. * doc/tm.texi: Rebuild. 2012-01-27 Richard Henderson * optabs.c (gen_atomic_test_and_set): Remove default. (maybe_emit_atomic_test_and_set): Use maybe_expand_insn. 2012-01-26 Jakub Jelinek PR rtl-optimization/51978 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx. (combine_reaching_defs): Likewise. (struct re_info): Remove. (add_removable_extension): Remove x and data arguments, add insn, insn_list and def_map. Use the arguments directly instead of using struct re_info. (find_removable_extensions): Don't call add_removable_extension through note_stores, instead just call it with single_set result if non-NULL. (find_and_remove_re): Pass curr_cand->expr instead of PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs. 2012-01-26 Michael Matz PR tree-optimization/46590 * cfgexpand.c: Revert last change (r183305). * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple regs. * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before checking for emptiness. 2012-01-26 Jakub Jelinek PR middle-end/51895 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of non-addressable non-BLKmode base correctly. 2012-01-26 Michael Matz PR tree-optimization/48794 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove regions referenced from RESX/EH_DISPATCH. 2012-01-26 Andreas Krebbel * config/s390/s390.h: Make BRANCH_COST an option. * config/s390/s390.opt: New option -mbranch-cost. 2012-01-26 Richard Henderson Revert 2012-01-24 change: * trans-mem.c (requires_barrier): Do not instrument thread local variables and emit save/restore for them. 2012-01-25 Jakub Jelinek PR middle-end/51986 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test for pat == 0. 2012-01-25 Richard Sandiford * config/mips/mips.c (mips_small_data_pattern_1): Don't process ASM_OPERANDS. 2012-01-25 Georg-Johann Lay PR target/49868 Rename __pgm to __flash. Rename __pgm1 to __flash1. Rename __pgm2 to __flash2. Rename __pgm3 to __flash3. Rename __pgm4 to __flash4. Rename __pgm5 to __flash5. Rename __pgmx to __memx. * doc/extend.texi (AVR Named Address Spaces) Rename address space names as indicated above. * config/avr/avr.c (avr_addrspace): Ditto. * config/avr/avr-protos.h (avr_mem_pgmx_p): Rename to avr_mem_memx_p. (avr_mem_pgm_p): Rename to avr_mem_flash_p. * config/avr/predicates.md: Ditto. * config/avr/avr.c Ditto, and (avr_decl_pgmx_p): Rename to avr_decl_memx_p. (avr_decl_pgm_p): Rename to avr_decl_flash_p. * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH. (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1. (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2. (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3. (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4. (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5. (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX. * config/avr/avr.c: Ditto. * config/avr/avr.md: Ditto. 2012-01-25 Jason Merrill PR c++/51992 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype. 2012-01-25 Jakub Jelinek PR tree-optimization/51987 * tree-data-ref.c (get_references_in_stmt): Handle references in non-volatile GIMPLE_ASM. 2012-01-25 Richard Guenther * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both bases are dereferenced. 2012-01-25 Andrey Belevantsev PR rtl-optimization/48374 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors. 2012-01-25 Andrey Belevantsev * tree-predcom.c (tree_predictive_commoning_loop): Bail out when compute_data_dependences_for_loop returns false. * tree-parloops.c (loop_parallel_p): Likewise. 2012-01-25 Richard Guenther * tree.h (get_pointer_alignment_1): Declare. * builtins.c (get_pointer_alignment_1): New function. (get_pointer_alignment): Use it. 2012-01-25 Ramana Radhakrishnan PR rtl-optimization/48308 * combine.c (enum undo_kind): Add UNDO_LINKS. (struct undo): Add member l to other_contents and where. (do_SUBST_LINK): New. (SUBST_LINK): New. (try_combine): Handle LOG_LINKS for the dummy i1 case. (undo_all): Handle UNDO_LINKS. 2012-01-25 Richard Henderson * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode mem inputs. 2012-01-24 Richard Sandiford * optabs.c (gen_atomic_test_and_set): Use each argument. 2012-01-24 Richard Sandiford * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf) (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_) (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t) (bc1any2f, mips_rsqrt1_, mips_rsqrt2_, mips_recip1_) (mips_recip2_): Require TARGET_MIPS3D rather than TARGET_PAIRED_SINGLE_FLOAT. 2012-01-24 Richard Sandiford * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete. (in_struct, return_val): Remove MEM documentation. * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val. (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete. (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P and MEM_SCALAR. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * cfgexpand.c (add_alias_set_conflicts): Likewise. * expr.c (store_field): Likewise. * function.c (assign_stack_temp_for_type): Likewise. * ifcvt.c (noce_try_cmove_arith): Likewise. * reload1.c (reload): Likewise. * config/alpha/alpha.c (alpha_set_memflags_1): Likewise. (alpha_set_memflags): Likewise. * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify. 2012-01-24 Richard Sandiford * rtl.h (true_dependence, canon_true_dependence): Remove varies parameter. * alias.c (fixed_scalar_and_varying_struct_p): Delete. (true_dependence_1, write_dependence_p, may_alias_p): Don't call it. (true_dependence_1, true_dependence, canon_true_dependence): Remove varies parameter. * cselib.c (cselib_rtx_varies_p): Delete. (cselib_invalidate_mem): Update call to canon_true_dependence. * dse.c (record_store, check_mem_read_rtx): Likewise. (scan_reads_nospill): Likewise. * cse.c (check_dependence): Likewise. (cse_rtx_varies_p): Delete. * expr.c (safe_from_p): Update call to true_dependence. * ira.c (validate_equiv_mem_from_store): Likewise. (memref_referenced_p): Likewise. * postreload-gcse.c (find_mem_conflicts): Likewise. * sched-deps.c (sched_analyze_2): Likewise. * store-motion.c (load_kills_store): Likewise. * config/frv/frv.c (frv_registers_conflict_p_1): Likewise. * gcse.c (mems_conflict_for_gcse_p): Likewise. (compute_transp): Update call to canon_true_dependence. 2012-01-25 Richard Henderson * optabs.c (CODE_FOR_atomic_test_and_set): Provide default. (maybe_emit_atomic_test_and_set): New. (expand_sync_lock_test_and_set): Use it. (expand_atomic_test_and_set): Likewise. * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match the implementation; clarify implementation defined details. * doc/md.texi (atomic_test_and_set): Document. 2012-01-25 Richard Henderson * config/sparc/predicates.md (zero_or_v7_operand): Use match_code. 2012-01-25 Richard Henderson PR target/51968 * config/arm/arm.c (neon_split_vcombine): Emit deleted note to effect no-op split. 2012-01-24 Aldy Hernandez PR lto/51698 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New. (BT_FN_VOID_PTR_CONST_PTR_SIZE): New. (BT_FN_VOID_PTR_INT_SIZE): New. (BT_FN_UINT_UINT_VAR): Remove. (BT_FN_UINT32_UINT32_VAR): New. (BT_FN_DOUBLE_VPTR): Remove. (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New. * gtm-builtins.def (_ITM_abortTransaction): Set return type to void. (_ITM_changeTransactionMode): Same. (_ITM_memmoveRtWt): Change return type to void. (_ITM_memcpyRtWt): Same. (_ITM_memsetW): Same. (_ITM_RaRD): Change types to double. (_ITM_RD): Same. (_ITM_RaWD): Same. (_ITM_RfWD): Same. * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true. 2012-01-24 Aldy Hernandez Patrick Marlier * trans-mem.c (requires_barrier): Do not instrument thread local variables and emit save/restore for them. 2012-01-24 Jason Merrill PR c++/51812 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always output static aliases. 2012-01-24 Jakub Jelinek PR driver/47249 * common.opt (-pie, -shared, pie, shared): Change from Common to Driver. * gcc.c (display_help): Display help for -pie and -shared. 2012-01-24 Georg-Johann Lay PR target/49868 * doc/extend.texi (AVR Named Address Spaces): Move sample code up. Remove note on size/offset limitation. (AVR Variable Attributes): Add example how to read data located with progmem. Refer to named address spaces. * doc/invoke.texi (AVR Options): Fix typo. 2012-01-24 Richard Guenther Forward-port to trunk 2010-09-21 Jakub Jelinek PR middle-end/45678 * expr.c (expand_expr_real_1) : If op0 isn't sufficiently aligned and there is movmisalignM insn for mode, use it to load op0 into a temporary register. 2012-01-24 Jakub Jelinek PR target/51957 * target.def (const_not_ok_for_debug_p): New hook. * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook documentation. * doc/tm.texi: Regenerated. * dwarf2out.c (const_ok_for_output_1): If targetm.const_not_ok_for_debug_p returns true, fail. * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New function. (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine. 2012-01-23 Kai Tietz PR target/51900 * config/i386/predicates.md (symbolic_operand): Allow UNSPEC_PCREL as PIC expression for lea. * config/i386/winnt.c (i386_pe_binds_local_p): Reworked. * config/i386/i386.c (ix86_delegitimize_address): Handle UNSPEC_PCREL for none-MEM, too. 2012-01-23 Aldy Hernandez * trans-mem.c (ipa_tm_create_version): Set externally_visible. (ipa_tm_create_version_alias): Same. 2012-01-23 Uros Bizjak PR libitm/51830 * builtin-types.def (BT_FN_UINT_UINT_VAR): New. * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR. 2012-01-23 Aldy Hernandez Patrick Marlier Iain Sandoe PR lto/51916 * lto-wrapper.c (run_gcc): Pass the LTO section name to simple_object_start_read. 2012-01-23 Richard Guenther PR tree-optimization/51895 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal parameter decomposition into BLKmode components. 2012-01-23 Eric Botcazou * tree-ssa-structalias.c (intra_create_variable_infos): Do not create fake variables for restrict-qualified pointers whose pointed-to type contains a placeholder. 2012-01-23 Richard Guenther PR tree-optimization/51949 * ipa-split.c (execute_split_functions): Do not split malloc functions. 2012-01-23 Jakub Jelinek PR rtl-optimization/51933 * ree.c (transform_ifelse): Return true right away if dstreg is already wider or equal to cand->mode. (enum ext_modified_kind, struct ext_modified, ext_state): New types. (make_defs_and_copies_lists): Remove defs_list and copies_list arguments, add state argument, just truncate state->work_list instead of always allocating and freeing the vector. Assert that get_defs succeeds instead of returning 2. Changed return type to bool. (merge_def_and_ext): Add state argument. If SET_DEST doesn't have ext_src_mode, see if it has been modified already with the right kind of extension and has been extended before from the ext_src_mode. If SET_DEST is already wider or equal to cand->mode, just return true. Remember the original mode in state->modified array. (combine_reaching_defs): Add state argument. Don't allocate and free here def_list, copied_list and vec vectors, instead just VEC_truncate the vectors in *state. Don't handle outcome == 2 here. (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag. Add state variable, clear vectors in it, initialize state.modified if needed. Free all the vectors at the end and state.modified too. Don't skip a candidate if the extension expression has been modified. 2012-01-22 Douglas B Rupp PR target/47096 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete configurations. Change triplet to i[34567]86-*-interix[3-9]*. (extra_options) interix.opt -> i386/interix.opt" (extra_objs):Add winnt-stubs.o * configure.ac: Add interix to target_os .comm on PE check. * configure: Regenerate. * config/interix3.h: Delete and move bits to.. * config/interix.h: Delete and move bits to.. * config/i386/i386-interix3.h: Delete and move bits to.. * config/i386/i386-interix.h: ..here. (TARGET_CPU_DEFAULT): Remove redefinition. (TARGET_ASM_CONSTRUCTOR): Undefine. (SUBTARGET_SWITCHES): Define for ms-bitfields. (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec. (PTRDIFF_TYPE): Define. (LONG_DOUBLE_TYPE_SIZE): Define. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. (SUBTARGET_OVERRIDE_OPTIONS): Remove. (TARGET_SECTION_TYPE_FLAGS): Define. (ASM_DECLARE_FUNCTION_NAME): Define. (ASM_OUTPUT_EXTERNAL): Define. (ASM_OUTPUT_EXTERNAL_LIBCALL): Define. (ASM_OUTPUT_ALIGNED_BSS): Define. (PCC_BITFIELD_TYPE_MATTERS): Define. (USE_CONST_SECTION): Define. (SUBTARGET_ENCODE_SECTION_INFO): Remove. (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove. (SUPPORTS_ONE_ONLY): Remove. (I386_PE_STRIP_ENCODING): Define. * config/interix.opt: Delete and move bits to.. * config/i386/interix.opt: ..here. New. (mpe-aligned-commons): Add. * config/i386/t-interix: Add copyright header. (winnt-stubs.o): Add rule. 2012-01-22 Jason Merrill PR c++/51832 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL for extra name aliases. 2012-01-22 Eric Botcazou PR rtl-optimization/51924 * ree.c (combine_set_extension): Improve debugging message. (combine_reaching_defs): Likewise. (get_defs): Rename confusingly named variable. (find_and_remove_re): Skip a candidate if the extension expression has been modified. 2012-01-21 Robert Millan Gerald Pfeifer * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro. (GNU_USER_DYNAMIC_LINKER): Adjust indentation. 2012-01-20 Jakub Jelinek PR tree-optimization/51914 * tree-vect-stmts.c (vectorizable_conversion): For cvt_type && modifier == WIDEN, put temporary with cvt_type at the beginning of vec_dsts and set vec_dest to temporary with vectype_out. 2012-01-20 Eric Botcazou * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK. 2011-01-20 Tijl Coosemans * config/i386/i386.c: Fix checks for !TARGET_MACHO. * config/rs6000/rs6000.c: Likewise. 2012-01-20 Jakub Jelinek PR target/51915 * config/arm/arm.c (arm_count_output_move_double_insns): Call output_move_double on a copy of operands array. 2012-01-20 Cary Coutant Dodji Seketeli PR debug/45682 * dwarf2out.c (copy_declaration_context): Return ref to parent of declaration DIE, if necessary. (remove_child_or_replace_with_skeleton): Add new parameter; update caller. Place skeleton DIE under parent DIE of original declaration. Move call to copy_declaration_context to here ... (break_out_comdat_types): ... from here. 2012-01-20 Andreas Krebbel PR rtl-optimization/51856 * reload.c (find_reloads_subreg_address): Set the address_reloaded flag to reloaded. 2012-01-20 Ramana Radhakrishnan PR target/51819 * config/arm/arm.c (arm_print_operand): Correct output of alignment hints for neon loads and stores. 2012-01-20 Georg-Johann Lay PR target/49868 PR target/50887 * doc/extend.texi (Named Address Spaces): Split into subsections. (AVR Named Address Spaces): New subsection. (M32C Named Address Spaces): New subsection. (RL78 Named Address Spaces): New subsection. (SPU Named Address Spaces): New subsection. (Variable Attributes): New anchor "AVR Variable Attributes". (AVR Variable Attributes): Rewrite and avoid wording "address space" in this context. * doc/invoke.texi (AVR Options): Rewrite and add documentation for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls. (AVR Built-in Macros): New subsubsection therein. * doc/md.texi (AVR constraints): Remove "C04", "R". 2012-01-20 Richard Guenther PR tree-optimization/51903 * tree-ssa-pre.c (eliminate): Properly purging of EH edges when removing stmts. 2012-01-20 Ramana Radhakrishnan PR target/50313 * config/arm/arm.c (arm_load_pic_register): Use gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four. (arm_pic_static_addr): Likewise. (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED. (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED. * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define. (pic_load_addr_unified): New. 2012-01-20 Andrey Belevantsev PR target/51106 * function.c (instantiate_virtual_regs_in_insn): Use delete_insn_and_edges when removing a wrong asm insn. 2012-01-19 Vladimir Makarov PR rtl-optimization/40761 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop. Add new member loop_num. (IRA_LOOP_NODE_BY_INDEX): Modify the check. (ira_build): Remove the parameter. * ira.c (ira_print_disposition): Use loop_num instead of loop->num. (ira.c): Do not build CFG loops for one region allocation. Remove argument from ira_build call. * ira-build.c (init_loop_tree_node): New function. (create_loop_tree_nodes): Use it. Separate the case when CFG loops are not built. (more_one_region_p): Check current_loops. (finish_loop_tree_nodes): Separate the case when CFG loops are not built. (add_loop_to_tree): Process loop equal to NULL too. (form_loop_tree): Separate the case when CFG loops are not built. Use explicitly number for the root. (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add an assertion. (ira_print_expanded_allocno, loop_compare_func): Use loop_num instead of loop->num. (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num. (mark_all_loops_for_removal): Ditto. (remove_unnecessary_regions): Separate the case when CFG loops are not built. (ira_build): Remove the parameter. Use explicit number of regions when CFG loops are not built. * ira-color.c (print_loop_title): Separate the case for the root node. Use loop_num instead of loop->num. (move_spill_restore): Use loop_num instead of loop->num. * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion. (change_loop): Ditto. (change_loop): Use loop_num instead of loop->num. * ira-lives.c (process_bb_node_lives): Ditto. * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto. * ira-conflicts.c (print_allocno_conflicts): Ditto. 2012-01-19 Jakub Jelinek PR libmudflap/40778 * tree-mudflap.c (mf_artificial): New function. (execute_mudflap_function_ops, execute_mudflap_function_decls, mx_register_decls, mudflap_enqueue_decl): Use it. PR target/51876 * config/arm/neon.md (*neon_vswp): Fix up operand numbers in the insn pattern. 2012-01-19 Michael Matz PR tree-optimization/46590 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument, use it in remembering which conflicts we already created. (add_scope_conflicts): Adjust call to above, (de)allocate helper bitmap. 2012-01-19 Aldy Hernandez PR lto/51280 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on. (merge_and_complain): Same. 2012-01-19 Jakub Jelinek PR bootstrap/50237 * config/initfini-array.h: Guard content of the header with #ifdef HAVE_INITFINI_ARRAY. * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file. Add initfini-array.h to tm_file here. * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test. * config.gcc: Don't add initfini-array.h to tm_file here. * configure: Regenerated. 2012-01-19 Andrey Belevantsev PR rtl-optimization/51505 * df-problems.c (df_kill_notes): New parameter live. Update comment. Remove REG_EQUAL/REG_EQUIV notes referring to dead registers. (df_note_bb_compute): Update the call to df_kill_notes. 2012-01-18 Aldy Hernandez * trans-mem.c (requires_barrier): Remove call to is_global_var. 2012-01-18 Richard Guenther * tree-ssa.c (useless_type_conversion_p): Remove special-casing of conversions to void *. 2012-01-17 Andreas Krebbel Richard Sandiford PR middle-end/50325 PR middle-end/51192 * optabs.h (simplify_expand_binop): Declare. * optabs.c (simplify_expand_binop): Make global. * expmed.c (store_bit_field_1): Use simplify_expand_binop on big endian targets if the source cannot be exactly covered by word mode chunks. 2012-01-17 Jakub Jelinek PR bootstrap/51872 * hard-reg-set.h (struct hard_reg_set_container): New type. * target.h (struct hard_reg_set_container): Forward declare. * target.def (set_up_by_prologue): New target hook. * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it. * doc/tm.texi: Regenerated. * function.c (thread_prologue_and_epilogue_insns): Change set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container. Call targetm.set_up_by_prologue on it. * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function. (TARGET_SET_UP_BY_PROLOGUE): Redefine to it. 2012-01-17 Nick Clifton * config/rx/rx.c (rx_can_use_simple_return): New function. * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype. * config/rx/rx.md (return): Predicate on rx_can_use_simple_return. 2012-01-17 Richard Guenther PR middle-end/51782 * expr.c (expand_assignment): Take address-space information from the address operand of MEM_REF and TARGET_MEM_REF. (expand_expr_real_1): Likewise. 2012-01-17 Andreas Krebbel * ira.c (do_reload): Make sure ira_dump_file is re-set if no reload dump is requested. 2012-01-17 Aldy Hernandez PR other/51165 * trans-mem.c (requires_barrier): Call may_be_aliased. 2012-01-17 Jakub Jelinek PR tree-optimization/51877 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever call arguments and fndecls compare equal, instead return false if they don't. Return true only if lhs1 and lhs2 are either both NULL, or both SSA_NAMEs that are valueized the same, or they satisfy operand_equal_p. 2012-01-17 Rainer Orth * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on Solaris 11+. * configure: Regenerate. 2012-01-16 Jan Hubicka PR c/12245 PR c++/14179 * convert.c (convert_to_integer): Use fold_convert for converting an INTEGER_CST to integer type. 2012-01-16 Jason Merrill PR c++/14179 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size. 2012-01-16 Jakub Jelinek PR bootstrap/51860 * config/s390/s390.c (s390_chunkify_start): Don't skip call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes. If insn is followed by NOTE_INSN_VAR_LOCATION or NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes. Don't use location of note insns. PR tree-optimization/51865 * tree-inline.c (tree_function_versioning): Call remap_decl on DECL_RESULT whenever it has VOID_TYPE_P type. 2012-01-15 Richard Sandiford * config/mips/mips.c (mips16_build_call_stub): Don't use a stub for calls to locally-binding MIPS16 functions if only the return type uses float regs. 2012-01-15 Chung-Lin Tang Richard Sandiford * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete. (SYMBOL_32_HIGH): Likewise. (mips_output_tls_reloc_directive): Declare. * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md. (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare. * config/mips/mips.c (mips_use_pcrel_pool_p): New variable. (mips_lo_relocs, mips_hi_relocs): Make extern. (mips16_stub_function): Move up file. (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling. (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too. (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p. (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false. (mips_get_tp): Add MIPS16 support. (mips_legitimize_tls_address): Remove MIPS16 sorry(). Generalize DTPREL and TPREL handling. (mips_init_relocs): Initialize mips_use_pcrel_pool_p. Add MIPS16 TLS support. (mips_output_tls_reloc_directive): New function. (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs. * config/mips/predicates.md (symbolic_operand_with_high) (tls_reloc_operand): New predicates. (force_to_mem_operand): Use mips_use_pcrel_pool_p. * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec. (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h. (*unshifted_high): New instruction. Use it for MIPS16 high splitter. (consttable_tls_reloc, tls_get_tp_mips16_): New patterns. (*tls_get_tp_mips16_call_): Likewise. 2012-01-15 Uros Bizjak PR rtl-optimization/51821 * recog.c (peep2_find_free_register): Determine clobbered registers from insn pattern. 2012-01-14 Denis Chertykov PR target/50925 * config/avr/avr-protos.h: Revert change of 2012-01-09. * config/avr/avr.c: Likewise. * config/avr/avr.h: Likewise. 2012-01-13 Ian Lance Taylor PR c++/50012 * tree.h (TYPE_QUALS): Add cast to int. (TYPE_QUALS_NO_ADDR_SPACE): Likewise. 2012-01-13 Ian Lance Taylor * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when comparing param_index to VEC_length result. 2012-01-13 Steven Bosscher * c-decl.c: Do not include tree-mudflap.h * tree-optimize.c: Likewise. * Makefile.in: Update dependencies. 2012-01-13 Richard Guenther PR middle-end/8081 * gimplify.c (gimplify_modify_expr_rhs): For calls with a variable-sized result always use RSO. 2012-01-12 DJ Delorie * cfgexpand.c (convert_debug_memory_address): Allow any valid pointer type, not just the default pointer type. 2012-01-09 Richard Henderson Denis Chertykov PR target/50925 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare. * config/avr/avr.c (avr_can_eliminate): Simplify. (avr_initial_elimination_offset): Likewise. (avr_prologue_setup_frame): Use hard_frame_pointer_rtx. (expand_epilogue): Likewise. (avr_legitimize_address): Gut. (avr_legitimize_reload_address): Use hard_frame_pointer_rtx. (avr_hard_regno_nregs): New. (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers. (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers. * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer, add soft frame pointer. (CALL_USED_REGISTERS): Likewise. (REG_CLASS_CONTENTS): Likewise. (REGISTER_NAMES): Likewise. (HARD_REGNO_NREGS): Use avr_hard_regno_nregs. (HARD_FRAME_POINTER_REGNUM): New. (FRAME_POINTER_REGNUM): Use soft frame pointer. (ELIMINABLE_REGS): Eliminate from the soft frame pointer, remove the HARD_FRAME_POINTER self-elimination. 2012-01-12 Georg-Johann Lay PR target/51756 * config/avr/avr.c (avr_encode_section_info): Test for absence of DECL_EXTERNAL when checking for initializers of progmem variables. 2012-01-12 Ira Rosen PR tree-optimization/51799 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that the last operation is a type demotion. 2012-01-12 Uros Bizjak * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template. (x86_shift_adj_1): Remove operand constraint from operand 3. 2012-01-11 Jakub Jelinek PR bootstrap/51796 * combine.c (distribute_notes): If i3 is a noreturn call, allow old_size to be equal to args_size and make sure the noreturn call gets REG_ARGS_SIZE note. * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes on noreturn calls even when the delta is 0. 2012-01-11 Nathan Sidwell * gcov.c (STRING_SIZE): Remove. (generate_results): Erase annotations for source files with no coverage information. (read_line): New. (output_lines): Use it. 2012-01-11 Eric Botcazou * gimple.h (gimplify_body): Remove first argument. * gimplify.c (copy_if_shared): Add DATA argument. Do not create the pointer set here, instead just pass DATA to walk_tree. (unshare_body): Remove BODY_P argument and adjust. Create the pointer set here and invoke copy_if_shared on the size trees of DECL_RESULT. (unvisit_body): Likewise, but with unmark_visited. (gimplify_body): Remove BODY_P argument and adjust. (gimplify_function_tree): Adjust call to gimplify_body. * omp-low.c (finalize_task_copyfn): Likewise. 2012-01-11 Eric Botcazou * tree.h (build_function_decl_skip_args): Add boolean parameter. (build_function_type_skip_args): Delete. * tree.c (build_function_type_skip_args): Make static and add SKIP_RETURN parameter. Fix thinko in the handling of variants. (build_function_decl_skip_args): Add SKIP_RETURN parameter and pass it to build_function_type_skip_args. * cgraph.h (cgraph_function_versioning): Add boolean parameter. (tree_function_versioning): Likewise. * cgraph.c (cgraph_create_virtual_clone): Adjust call to build_function_decl_skip_args. * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter and pass it to build_function_decl_skip_args/tree_function_versioning. (cgraph_materialize_clone): Adjust call to tree_function_versioning. * ipa-inline-transform.c (save_inline_function_body): Likewise. * trans-mem.c (ipa_tm_create_version): Likewise. * tree-sra.c (modify_function): Ditto for cgraph_function_versioning. * tree-inline.c (declare_return_variable): Remove always-true test. (tree_function_versioning): Add SKIP_RETURN parameter. If the function returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL. * ipa-split.c (split_function): Skip the return value for the split part if it doesn't return. 2012-01-11 Bill Schmidt PR tree-optimization/49642 * ipa-split.c (forbidden_dominators): New variable. (check_forbidden_calls): New function. (dominated_by_forbidden): Likewise. (consider_split): Check for forbidden dominators. (execute_split_functions): Initialize and free forbidden dominators info; call check_forbidden_calls. 2012-01-11 Matthew Gretton-Dann * config/arm/arm.md (mov_notscc): Use MVN for false condition. 2012-01-11 Nick Clifton * config/rx/rx.md (return): Define pattern. 2012-01-11 Richard Guenther * doc/extend.texi (malloc attribute): Adjust according to implementation. 2012-01-10 Aldy Hernandez Patrick Marlier PR middle-end/51516 * trans-mem.c (get_cg_data): Traverse aliases if requested. (ipa_tm_scan_calls_block): Update parameters to get_cg_data. (ipa_tm_note_irrevocable): Same. (ipa_tm_scan_irr_block): Same. (ipa_tm_decrement_clone_counts): Same. (ipa_tm_scan_irr_function): Same. (ipa_tm_create_version_alias): Same. (ipa_tm_create_version): Same. (ipa_tm_transform_calls_redirect): Same. (ipa_tm_transform_calls): Same. (ipa_tm_transform_transaction): Same. (ipa_tm_execute): Same. 2012-01-10 Richard Guenther PR middle-end/51806 * opts.c (common_handle_option): Handle -Werror. 2012-01-10 Andreas Schwab * config/m68k/sync.md ("atomic_compare_and_swap_1"): Fix operand number. 2012-01-10 Jason Merrill * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6 information. 2012-01-10 Rainer Orth * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker supports R_386_TLS_GD_PLT reloc. (gcc_cv_as_ix86_tlsldmplt): Check if linker supports R_386_TLS_LDM_PLT reloc. * configure: Regenerate. * config.in: Regenerate. 2012-01-10 Georg-Johann Lay PR target/49868 Extend __pgmx semantics to linearize memory. * config/avr/avr.md (mov): Use avr_xload_libgcc_p to determine if code comes inline or from libgcc. (MOVMEM_r_d:HI): Add "w" to constraint for better preference. (movmem_qi, movmem_qi): Set constraint #2 to "n". (movmem_qi_elpm, movmem_hi_elpm): Remove insns. (movmemx_qi, movmemx_hi): New insns. (xload__libgcc): Rewrite to new insn condition. (xload_): Remove insns. * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle cases that don't satisfy avr_xload_libgcc_p(). (avr_addr_space_convert): Allow converting in any direction. (avr_addr_space_subset_p): Return always true. (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics. (avr_emit_movmemhi): Ditto. (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more. (avr_out_movmem): Ditto. (AVR_SYMBOL_FLAG_PROGMEM): New macro. (AVR_SYMBOL_SET_ADDR_SPACE): New macro. (AVR_SYMBOL_GET_ADDR_SPACE): New macro. (avr_encode_section_info): Encode 'progmem' in symbol flags. (output_reload_in_const): Don't zero-extend any 24-bit symbols. 2012-01-10 Richard Guenther PR tree-optimization/50913 * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Require data-refs to be representable by Graphite with respect to any loop nest. 2012-01-10 Uros Bizjak * config/i386/constraints.md ("L"): Return true for 0xffffffff. * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV. 2012-01-10 Tom de Vries PR rtl-optimization/51271 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when handling annulled branch. 2012-01-10 Richard Henderson * config/arm/arm.c (arm_vectorize_vec_perm_const_ok, TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN, struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm, arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev, arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1, arm_expand_vec_perm_const): New. * config/arm/arm-protos.h: Update. * config/arm/neon.md (UNSPEC_VCONCAT): New. (*neon_vswp): New. (neon_vcombine): Use neon_split_vcombine. (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New. * config/arm/vec-common.md (vec_perm_const): New. (vec_perm): New. 2012-01-10 Richard Henderson * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument; use it if reload_completed. (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count, arm_output_asm_insn, arm_process_output_memory_barrier, arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex, arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3, arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND, arm_process_output_sync_insn, arm_output_sync_insn, arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove. (arm_pre_atomic_barrier, arm_post_atomic_barrier): New. (arm_emit_load_exclusive, arm_emit_store_exclusive): New. (emit_unlikely_jump): New. (arm_expand_compare_and_swap, arm_split_compare_and_swap): New. (arm_split_atomic_op): New. * config/arm/arm-protos.h: Update. * config/arm/arm.h (enum arm_sync_generator_tag): Remove. (struct arm_sync_generator): Remove. * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK, VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove. (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New. (VUNSPEC_LL, VUNSPEC_SC): New. (sync_result, sync_memory, sync_required_value, sync_new_value, sync_t1, sync_t2, sync_release_barrier, sync_op): Remove. (attr length): Don't use arm_sync_loop_insns. (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg. (movsfcc, movdfcc): Likewise. * config/arm/constraints.md (Ua): New. * config/arm/prediates.md (mem_noofs_operand): New. (sync_compare_and_swap, sync_lock_test_and_set): Remove. (sync_clobber, sync_t2_reqd): Remove. (sync_, sync_nand): Remove. (sync_new_, sync_new_nand): Remove. (sync_old_, sync_old_nand): Remove. (arm_sync_compare_and_swap): Remove. (arm_sync_compare_and_swap): Remove. (arm_sync_lock_test_and_set): Remove. (arm_sync_lock_test_and_set): Remove. (arm_sync_new_): Remove. (arm_sync_new_): Remove. (arm_sync_new_nand): Remove. (arm_sync_new_nand): Remove. (arm_sync_old_): Remove. (arm_sync_old_): Remove. (arm_sync_old_nand): Remove. (arm_sync_old_nand): Remove. (*memory_barrier): Merge arm_output_memory_barrier. (atomic_compare_and_swap): New. (atomic_compare_and_swap_1): New. (atomic_compare_and_swap_1): New. (atomic_exchange): New. (cas_cmp_operand, cas_cmp_str): New. (atomic_op_operand, atomic_op_str): New. (atomic_, atomic_nand): New. (atomic_fetch_, atomic_fetch_nand): New. (atomic__fetch, atomic_nand_fetch): New. (arm_load_exclusive): New. (arm_load_exclusivesi, arm_load_exclusivedi): New. (arm_store_exclusive): New. 2012-01-09 Michael Meissner * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF reload patterns if -mvsx-scalar-memory. * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be generated, even -mno-vsx-scalar-double was used. (vsx_xscvdpsp_scalar): Likewise. (vsx_xscvspdp_scalar2): Likewise. 2012-01-09 Tom de Vries Andrew Pinski PR debug/51471 * reorg.c (fill_slots_from_thread): Don't speculate frame-related insns. 2012-01-09 Richard Sandiford * sched-int.h (bb_note): Move to... * basic-block.h: ...here. * haifa-sched.c (bb_note): Move to... * cfgrtl.c: ...here. * function.c (next_block_for_reg): New function. (move_insn_for_shrink_wrap): Likewise. (prepare_shrink_wrap): Rewrite to use the above. 2012-01-09 Aldy Hernandez * gimple.c (is_gimple_non_addressable): Remove. * gimple.h: Remove is_gimple_non_addressable. * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of is_gimple_non_addressable. * trans-mem.c (expand_assign_tm): Same. 2012-01-09 Richard Guenther PR tree-optimization/51775 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts. * tree-ssa-pre.c (eliminate): Properly fixup EH info. 2012-01-09 Matthew Gretton-Dann * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for tuning parameters. * config/arm/arm.c (arm_cortex_a15_tune): New static variable. 2012-01-09 Richard Guenther * tree-streamer-out.c (write_ts_optimization): Fix spelling. 2012-01-08 Jan Hubicka PR tree-optimize/51680 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition on when known_vals needs to be computed; cleanup. 2012-01-08 Jan Hubicka PR tree-optimize/51694 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks. 2012-01-08 Jonathan Wakely * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined for -std=c++98 and -std=c++11 too. 2012-01-08 Chung-Lin Tang * cfgloop.c (cancel_loop): Add free() of bbs array. 2012-01-07 Jan Hubicka PR tree-optimization/51600 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code that benefits small functions. 2012-01-07 Jan Hubicka * ipa-inline.c (want_inline_small_function_p): Fix formating. 2012-01-07 Jan Hubicka PR tree-optimization/51680 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions whose inlining reduce unit size. 2012-01-07 Alexandre Oliva PR bootstrap/51725 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node. Add canonical node to containing_mem chain after the non-canonical one, even if there weren't any locs to propagate. (remove_useless_values): Keep only canonical values. (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr. (cselib_invalidate_mem): Likewise. Ensure v is canonical, and canonicalize mem_chain elements that are not discarded. 2012-01-06 Jakub Jelinek PR target/47333 * cgraphunit.c (cgraph_optimize): Call output_weakrefs before emitting functions. PR gcov-profile/50127 * bb-reorder.c (partition_hot_cold_basic_blocks): Call clear_aux_for_blocks. 2012-01-06 Alexandre Oliva PR debug/51746 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too. 2012-01-06 Arnaud Charlet * c-decl.c (ext_block): Moved up. (collect_all_refs, for_each_global_decl): Take ext_block into account. 2012-01-06 Han Shen Translate built-in include paths for sysroot. * Makefile.in (gcc_gxx_include_dir_add_sysroot): New. (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT. * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field. * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to control whether sysroot should be prepended to gxx include dir. * configure: Regenerate. 2012-01-06 Torvald Riegel PR rtl-optimization/51771 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New. * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib. 2012-01-05 Eric Botcazou PR tree-optimization/51315 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate. (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p. 2012-01-05 Uros Bizjak PR target/51681 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands for shrp pattern. Correctly handle and fixup shift variable. Return false when shift > nelt for BYTES_BIG_ENDIAN target. 2012-01-05 Jakub Jelinek PR debug/51762 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE note when !ACCUMULATE_OUTGOING_ARGS. 2012-01-05 Eric Botcazou * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated condition. (extract_range_from_unary_expr_1): Avoid useless computations. 2012-01-05 Jakub Jelinek PR rtl-optimization/51767 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition of jump_block and add an extra edge for degenerated asm gotos. PR middle-end/51768 * stmt.c (check_unique_operand_names): Don't ICE during error reporting if i is from labels chain. PR middle-end/44777 * profile.c (branch_prob): Split bbs that have exit edge and need a fake entry edge too. 2012-01-05 Jan Hubicka PR middle-end/49710 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when unlooping loops. 2012-01-05 Richard Guenther PR lto/50490 * tree-streamer-out.c (write_ts_optimization): New function. (streamer_write_tree_body): Call it. * tree-streamer-in.c (lto_input_ts_optimization): New function. (streamer_read_tree_body): Call it. * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE. 2012-01-05 Jakub Jelinek PR middle-end/51761 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field. * gimplify.c (gimplify_cleanup_point_expr): Save and set in_cleanup_point_expr before gimplify_stmt call and restore it afterwards. (gimplify_target_expr): Don't add {CLOBBER} cleanup if in_cleanup_point_expr is false. 2012-01-05 Richard Guenther PR middle-end/51764 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move to c.opt. * toplev.c (process_options): Reject combining mudflap and LTO. * tree-nomudflap.c (nogo): Use sorry instead of internal_error. 2012-01-05 Richard Guenther PR tree-optimization/51760 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT, not VARYING. (bit_value_unop): Handle UNDEFINED operands. (bit_value_binop): Likewise. 2012-01-05 Georg-Johann Lay * config/avr/avr.c (avr_replace_prefix): Remove. (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix. (avr_asm_function_rodata_section): Ditto. (avr_asm_select_section): Ditto. 2012-01-05 Marcus Shawcroft * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND insertion. 2012-01-05 Jakub Jelinek PR bootstrap/51648 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn calls that have any non-fake successor edges. PR debug/51746 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL. 2012-01-04 Eric Botcazou PR tree-optimization/51624 * tree-sra.c (build_ref_for_model): When replicating a chain of COMPONENT_REFs, stop as soon as the offset would become negative. 2012-01-04 Jakub Jelinek PR debug/51695 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions in .debug_loc on the floor. 2012-01-04 Andrew Pinski * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2. 2012-01-04 Andrew Pinski Adam Nemet * config/mips/mips.md (size): Add SI and DI. (SIZE): New mode attribute. (U): New code attribute. * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi. (mips_lbux_): Delete. (mips_lx_ext_): New pattern. (mips_lhx): Use gen_mips_lhx_extsi. (mips_lhx_): Delete. (mips_lwx): Delete. (mips_lx): New expand. (mips_lwx_): Delete. (mips_lx_): New pattern. (*mips_lwx__ext): Likewise. * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type. * config/mips/mips.c (mips_lx_address_p): New function. (mips_rtx_costs ): Call mips_lx_address_p. (dsp64): New availability predicate. (mips_builtins): Add an entry for __builtin_mips_ldx. * config/mips/mips.h (ISA_HAS_LBX): New define. (ISA_HAS_LBUX): Likewise. (ISA_HAS_LHX): Likewise. (ISA_HAS_LHUX): Likewise. (ISA_HAS_LWX): Likewise. (ISA_HAS_LWUX): Likewise. (ISA_HAS_LDX): Likewise. * doc/extend.texi (__builtin_mips_ldx): Document. 2012-01-04 Tristan Gingold * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define when long pointers are used. * config.build (*-*-*vms*): Handle all OpenVMS targets. (alpha64-dec-*vms*, alpha*-dec-*vms*) (ia64-hp-*vms*): Remove. * config/vms/xm-vms64.h: Delete. 2012-01-04 Aldy Hernandez PR middle-end/51472 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly. 2012-01-04 Aldy Hernandez * opts.c (finish_options): Remove duplicate sorry. 2012-01-04 Aldy Hernandez PR middle-end/51696 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name correctly. 2012-01-04 Richard Guenther PR middle-end/51750 * tree.c (size_low_cst): New function. * tree.h (size_low_cst): Declare. * fold-const.c (fold_comparison): Use it to extract the low part of the POINTER_PLUS_EXPR offset. 2012-01-04 Georg-Johann Lay Fix clearing ZERO_REG * config/avr/avr.md (cc): Add alternative "ldi". (movqi_insn): Use it in cc attribute. * config/avr/avr.c (notice_update_cc): Handle CC_LDI. (output_reload_in_const): Use CLR to move 0 to ZERO_REG. (output_reload_insisf): Use ZERO_REG to pre-clear register. 2012-01-04 Andreas Krebbel * configure: Regenerate. 2012-01-04 Richard Guenther PR tree-optimization/49651 * tree-ssa-structalias.c (type_can_have_subvars): New function. (var_can_have_subvars): Use it. (get_constraint_for_1): Only consider subfields if there can be any. 2012-01-03 Jakub Jelinek PR bootstrap/51725 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val to its new canonical_cselib_val and the cselib_val was in first_containing_mem chain, but the canonical_cselib_val was not, add the latter into the chain. (cselib_invalidate_mem): Compare canonical_cselib_val of addr_list chain elt with v. PR pch/51722 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef): Allocate e.info using ggc_strdup instead of xstrdup. (output_macinfo_op): Don't ggc_strdup fd->filename. (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC, then ggc_strdup it. Don't free inc->info or cur->info. (output_macinfo): Don't free ref->info or file->info. 2012-01-03 Ira Rosen PR tree-optimization/51269 * tree-vect-loop-manip.c (set_prologue_iterations): Make first_niters a pointer. (slpeel_tree_peel_loop_to_edge): Likewise. (vect_do_peeling_for_loop_bound): Update call to slpeel_tree_peel_loop_to_edge. (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters here. Remove it from the parameters list. (vect_do_peeling_for_alignment): Update calls and compute wide_prolog_niters. 2012-01-03 Richard Guenther PR tree-optimization/51070 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): Properly handle calls. 2012-01-03 Richard Guenther PR tree-optimization/51692 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove the LHS of allocation stmts. 2012-01-03 Olivier Hainque * system.h: Prior to #define, #undef fopen and freopen unconditionally. 2012-01-03 Olivier Hainque * collect2.c (main): In AIX specific computations for vector insertions, use CONST_CAST2 to cast from char ** to const char **. 2012-01-03 Richard Guenther PR debug/51650 * dwarf2out.c (dwarf2out_finish): Always create a DIE for the context of a limbo DIE when it does not already exist. 2012-01-03 Jakub Jelinek PR tree-optimization/51719 * value-prof.c (gimple_ic): When indirect call isn't noreturn, but direct call is, clear direct call's lhs and don't add fallthrough edge from dcall_bb to join_bb and PHIs. 2012-01-03 Andreas Krebbel * config/s390/s390.md ("*cmp_ccs"): Fix comment mentioning the instructions emitted by the pattern. ("*TDC_insn_"): Add comment. 2012-01-03 Richard Guenther PR middle-end/51730 * fold-const.c (fold_comparison): Properly canonicalize tree offset and HOST_WIDE_INT bit position. 2012-01-02 Uros Bizjak * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct operands for extzv pattern. 2012-01-02 Jakub Jelinek PR bootstrap/51725 * cselib.c (add_mem_for_addr): Call canonical_cselib_val on mem_elt first. 2012-01-02 Sandra Loosemore * doc/invoke.texi (-flto and related options): Copy-edit. 2012-01-02 Richard Sandiford * config/mips/mips.md (loadgp_newabi_): Add missing earlyclobber. 2012-01-02 Jakub Jelinek * config/i386/sse.md (*avx2_gatherdi_3, *avx2_gatherdi_4): New patterns. 2012-01-02 Richard Sandiford * expr.h (move_by_pieces_ninsns): Declare. * expr.c (move_by_pieces_ninsns): Make external. * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare. (mips_store_by_pieces_p): Likewise. * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p. (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p. * config/mips/mips.c (mips_move_by_pieces_p): New function. (mips_store_by_pieces_p): Likewise. 2012-01-02 Jakub Jelinek * passes.c (register_one_dump_file): Free full_name. * reload1.c (reload): Don't allocate reg_max_ref_width here. (calculate_elim_costs_all_insns): Free offsets_at and offsets_known_at at the end and clear the pointers. 2012-01-02 Georg-Johann Lay * config/avr/avr.opt (-mbranch-cost): Fix double definition of this option introduced in r180739. 2012-01-02 Georg-Johann Lay PR target/51345 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h (tmake_file target=avr): Add avr/t-multilib. * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__. * config/avr/genmultilib.awk: New file. * config/avr/t-multilib: New auto-generated file. * config/avr/multilib.h: New auto-generated file. * config/avr/t-avr (AVR_MCUS): New variable. (genopt.sh): Use it. (s-mlib): Depend on t-multilib. (t-multilib, multilib.h): New dependencies. (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS. (MULTILIB_OPTIONS): Remove. (MULTILIB_MATCHES): Remove. (MULTILIB_DIRNAMES): Remove. (MULTILIB_EXCEPTIONS): Remove: * config/avr/genopt.sh: Don't use hard coded file name; pass AVR_MCUS from t-avr instead. 2012-01-02 Georg-Johann Lay * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23". 2012-01-02 Georg-Johann Lay Implement light-weight DImode support. * config/avr/avr-dimode.md: New file. * config/avr/avr.md: Include it. (adjust_len): Add plus64, compare64. (HIDI): Remove code iterator. (code_stdname): New code attribute. (rotx, rotsmode): Remove DI. (rotl3, *rotw, *rotb): Use HISI instead of HIDI as code iterator. * config/avr/avr-protos.h (avr_have_dimode): New. (avr_out_plus64, avr_out_compare64): New. * config/avr/avr.c (avr_out_compare): Handle DImode. (avr_have_dimode): New variable definition and initialization. (avr_out_compare64, avr_out_plus64): New functions. (avr_out_plus_1): Use simplify_unary_operation to negate xval. (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64. (avr_compare_pattern): Skip DImode comparisons. 2012-01-02 Revital Eres * ddg.c (def_has_ccmode_p): New function. (add_cross_iteration_register_deps, create_ddg_dep_from_intra_loop_link): Call it. 2012-01-02 Richard Guenther PR other/51679 * invoke.texi (fassociative-math): Remove spurious paranthesis. 2012-01-01 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov.c (print_version): Likewise. * gcov-dump.c (print_version): Likewise. * mips-tfile.c (main): Likewise. * mips-tdump.c (main): Likewise. 2012-01-01 Ira Rosen PR tree-optimization/51704 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that a use is inside the basic block or loop before accessing its vect info. 2012-01-01 Jan Hubicka PR rtl-optimization/51069 * cfgloopmanip.c (remove_path): Removing path making irreducible region unconditional makes BB part of the region. 2012-01-01 Jakub Jelinek PR tree-optimization/51683 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away calls with side-effects. * tree-ssa-ccp.c (ccp_fold_stmt): Likewise. Copyright (C) 2012 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.