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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.
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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ChangeLog] - Blame information for rev 849

Line No.	Rev	Author	Line
1	684	jeremybenn	`2012-02-29 Eric Botcazou`
2
3			`* dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and`
4			`DW_AT_artificial attributes at the end of the processing.`
5			`(gen_array_type_die): Likewise.`
6			`(gen_enumeration_type_die): Likewise.`
7			`(gen_struct_or_union_type_die): Likewise.`
8			`(add_gnat_descriptive_type_attribute): Do not suppress debug info for`
9			`the parent type.`
10
11			`2012-02-29 Jakub Jelinek`
12
13			`PR middle-end/52419`
14			`* expr.c (expand_assignment): If doing misaligned store that doesn't`
15			`cover all mode bits, perform a RMW cycle.`
16
17			`PR tree-optimization/52429`
18			`* tree-parloops.c (separate_decls_in_region_debug): Return early`
19			`if var is LABEL_DECL.`
20
21			`2012-02-29 Bill Schmidt`
22
23			`PR tree-optimization/52424`
24			`* tree-ssa-dom.c (dom_opt_leave_block): Push a marker before`
25			`calling dom_thread_across_edge.`
26
27			`2012-02-29 Georg-Johann Lay`
28
29			`* config/avr/avr.c: Move definition of TARGET macros to end of file.`
30
31			`2012-02-29 Georg-Johann Lay`
32
33			`* config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.`
34			`* config/avr/avr.c (avr_output_bld): Remove unused function.`
35			`(avr_out_sbxx_branch): Use "%T" to print bit position.`
36
37			`2012-02-29 Georg-Johann Lay`
38
39			`* config/avr/avr.md: Untabify.`
40