tree-ssa-math-opts.c (convert_mult_to_widen): Convert unsupported unsigned multiplies to signed.

2011-08-19  Andrew Stubbs  <ams@codesourcery.com>

gcc/
* tree-ssa-math-opts.c (convert_mult_to_widen): Convert
unsupported unsigned multiplies to signed.
(convert_plusminus_to_widen): Likewise.

gcc/testsuite/
* gcc.target/arm/wmul-6.c: New file.

From-SVN: r177905

tree-ssa-math-opts.c (convert_plusminus_to_widen): Permit a single conversion statement separating multiply-and-accumulate.

2011-08-19  Andrew Stubbs  <ams@codesourcery.com>

gcc/
* tree-ssa-math-opts.c (convert_plusminus_to_widen): Permit a single
conversion statement separating multiply-and-accumulate.

gcc/testsuite/
* gcc.target/arm/wmul-5.c: New file.
* gcc.target/arm/no-wmla-1.c: New file.

From-SVN: r177904

re PR tree-optimization/50067 (Wrong code with -fpredictive-commoning)

2011-08-19  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50067
* tree-data-ref.c (dr_analyze_indices): Simplify, strip MEM_REF
offset only if we accounted for it.

From-SVN: r177903

arm.md (maddhidi4): Remove '*' from name.

2011-08-19  Andrew Stubbs  <ams@codesourcery.com>

gcc/
* config/arm/arm.md (maddhidi4): Remove '*' from name.
* expr.c (expand_expr_real_2): Use find_widening_optab_handler.
* optabs.c (find_widening_optab_handler_and_mode): New function.
(expand_widen_pattern_expr): Use find_widening_optab_handler.
(expand_binop_directly): Likewise.
(expand_binop): Likewise.
* optabs.h (find_widening_optab_handler): New macro define.
(find_widening_optab_handler_and_mode): New prototype.
* tree-cfg.c (verify_gimple_assign_binary): Adjust WIDEN_MULT_EXPR
type precision rules.
(verify_gimple_assign_ternary): Likewise for WIDEN_MULT_PLUS_EXPR.
* tree-ssa-math-opts.c (build_and_insert_cast): New function.
(is_widening_mult_rhs_p): Allow widening by more than one mode.
Explicitly disallow mis-matched input types.
(convert_mult_to_widen): Use find_widening_optab_handler, and cast
input types to fit the new handler.
(convert_plusminus_to_widen): Likewise.

gcc/testsuite/
* gcc.target/arm/wmul-bitfield-1.c: New file.

From-SVN: r177902

expr.c (expand_expr_real_2): Use widening_optab_handler.

2011-08-19  Andrew Stubbs  <ams@codesourcery.com>

gcc/
* expr.c (expand_expr_real_2): Use widening_optab_handler.
* genopinit.c (optabs): Use set_widening_optab_handler for $N.
(gen_insn): $N now means $a must be wider than $b, not consecutive.
* optabs.c (widened_mode): New function.
(expand_widen_pattern_expr): Use widening_optab_handler.
(expand_binop_directly): Likewise.
(expand_binop): Likewise.
* optabs.h (widening_optab_handlers): New struct.
(optab_d): New member, 'widening'.
(widening_optab_handler): New function.
(set_widening_optab_handler): New function.
* tree-ssa-math-opts.c (convert_mult_to_widen): Use
widening_optab_handler.
(convert_plusminus_to_widen): Likewise.

From-SVN: r177901

c-decl.c (grokdeclarator): Diagnose _Noreturn for non-C1X if pedantic.

* c-decl.c (grokdeclarator): Diagnose _Noreturn for non-C1X if
pedantic.
* c-parser.c (c_parser_declspecs): Include _Noreturn in syntax
comment.
* ginclude/stdnoreturn.h (noreturn): Don't define for C++.

testsuite:
* gcc.dg/c90-noreturn-1.c, gcc.dg/c99-noreturn-1.c: New tests.

From-SVN: r177899

re PR fortran/49792 (OpenMP workshare: Wrong result with array assignment)

PR fortran/49792
* trans-expr.c (gfc_trans_assignment_1): Set OMPWS_SCALARIZER_WS
bit in ompws_flags only if loop.temp_ss is NULL, and clear it if
lhs needs reallocation.
* trans-openmp.c (gfc_trans_omp_workshare): Don't return early if
code is NULL, emit a barrier if workshare emitted no code at all
and NOWAIT clause isn't present.

* testsuite/libgomp.fortran/pr49792-1.f90: New test.
* testsuite/libgomp.fortran/pr49792-2.f90: New test.

From-SVN: r177898

Require C99 runtime in gcc.dg/builtins-67.c, gcc.target/i386/conversion.c

* gcc.dg/builtins-67.c: Use dg-add-options c99_runtime.
* gcc.target/i386/conversion.c: Likewise.

From-SVN: r177897

pr50067-1.c: New testcase.

2011-08-19  Richard Guenther  <rguenther@suse.de>

* gcc.dg/torture/pr50067-1.c: New testcase.
* gcc.dg/torture/pr50067-2.c: Likewise.

From-SVN: r177896

opth-gen.awk: Do not declare target save/restore structures and functions if IN_RTS defined.

* opth-gen.awk: Do not declare target save/restore structures and
functions if IN_RTS defined.

From-SVN: r177894

re PR target/49437 (interrupt return pop sometimes corrupts sp)

       PR target/49437
       * config/arm/arm.c (arm_output_epilogue): Properly handle epilogue
       when stack was realigned in interrupt handler prologue.

testsuite:

       PR target/49437
       * gcc.target/arm/handler-align.c: New test.
       * lib/target-supports.exp (check_effective_target_arm_cortex_m):
         New Function.

From-SVN: r177891

* gcc.c-torture/execute/20101011-1.c (DO_TEST): Skip on ARM.

From-SVN: r177890

Daily bump.

From-SVN: r177889

re PR fortran/50071 (gfortran does not distinguish labels in different type scoping units)

2011-08-19  Mikael Morin  <mikael.morin@sfr.fr>

PR fortran/50071
* gfortran.h (gfc_exec_op): New constant EXEC_END_NESTED_BLOCK.
* parse.c (check_statement_label): Accept ST_END_BLOCK and
ST_END_ASSOCIATE as valid branch target.
(accept_statement): Change EXEC_END_BLOCK to EXEC_END_NESTED_BLOCK.
Add EXEC_END_BLOCK code in the ST_END_BLOCK and ST_END_ASSOCIATE cases.
* resolve.c (find_reachable_labels): Change EXEC_END_BLOCK to
EXEC_END_NESTED_BLOCK.
(resolve_branch): Ditto.
(resolve_code): Add EXEC_END_NESTED_BLOCK case.
* st.c (gfc_free_statement): Ditto.
* trans.c (trans_code): Ditto.

2011-08-19  Mikael Morin  <mikael.morin@sfr.fr>

PR fortran/50071
* gfortran.dg/end_block_label_1.f90: New test.
* gfortran.dg/end_associate_label_1.f90: New test.

From-SVN: r177885

* gcc.dg/c1x-pointer-float-1.c: New test.

From-SVN: r177884

re PR fortran/50071 (gfortran does not distinguish labels in different type scoping units)

2011-08-18  Mikael Morin  <mikael.morin@sfr.fr>

PR fortran/50071
* symbol.c (gfc_get_st_label): Use the derived type namespace when
we are parsing a derived type definition.

2011-08-18  Mikael Morin  <mikael.morin@sfr.fr>

PR fortran/50071
* gfortran.dg/duplicate_labels_2.f: New test.

From-SVN: r177882

c-decl.c (shadow_tag_warned): Check for _Noreturn.

* c-decl.c (shadow_tag_warned): Check for _Noreturn.
(quals_from_declspecs): Assert _Noreturn not present.
(grokdeclarator): Handle _Noreturn.
(build_null_declspecs): Initialize noreturn_p.
(declspecs_add_scspec): Handle RID_NORETURN.
* c-parser.c (c_token_starts_declspecs, c_parser_declspecs)
(c_parser_attributes): Handle RID_NORETURN.
* c-tree.h (struct c_declspecs): Add noreturn_p.
* ginclude/stdnoreturn.h: New.
* Makefile.in (USER_H): Add stdnoreturn.h.

c-family:
* c-common.c (c_common_reswords): Add _Noreturn.
(keyword_is_function_specifier): Handle RID_NORETURN.
* c-common.h (RID_NORETURN): New.

testsuite:
* gcc.dg/c1x-noreturn-1.c, gcc.dg/c1x-noreturn-2.c,
gcc.dg/c1x-noreturn-3.c, gcc.dg/c1x-noreturn-4.c,
gcc.dg/c1x-noreturn-5.c: New tests.

From-SVN: r177881

Properly define __cplusplus (PR libstdc++-v3/1773)

PR libstdc++/1773
* init.c (cpp_init_builtins): Define __cplusplus 19971L.

From-SVN: r177877

Add -mavx2.

2011-08-18  Kirill Yukhin  <kirill.yukhin@intel.com>

* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX2_SET): New.
(OPTION_MASK_ISA_AVX_UNSET): Update.
(OPTION_MASK_ISA_AVX2_UNSET): New.
(ix86_handle_option): Handle OPT_mavx2 case.
* config/i386/cpuid.h (bit_AVX2): New.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
AVX2 feature.
* config/i386/i386-c.c (ix86_target_macros_internal):
Conditionally define __AVX2__.
* config/i386/i386.c (ix86_option_override_internal): Define
PTA_AVX2.  Define "core-avx2" processor alias.  Handle avx2
option.
(ix86_valid_target_attribute_inner_p): Handle avx2 option.
* config/i386/i386.h (TARGET_AVX2): New.
* config/i386/i386.opt (mavx2): New.
* doc/invoke.texi: Document -mavx2.

From-SVN: r177876

re PR rtl-optimization/49890 (IRA spill with plenty of available registers)

2011-08-18  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/49890
* ira-costs.c (setup_regno_cost_classes_by_aclass): Don't exclude
subclasses of class which is superset of a pressure class.

From-SVN: r177874

cmath: Extend/update comment.

2011-08-18  Marc Glisse  <marc.glisse@normalesup.org>

* include/tr1/cmath: Extend/update comment.

From-SVN: r177873

re PR libstdc++/50119 ([C++0x] copy_n advances InputIterator one more time than necessary)

2011-08-18  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/50119
* include/bits/stl_algo.h (__copy_n(_InputIterator, _Size,
_OutputIterator, input_iterator_tag)): Fix.
* testsuite/25_algorithms/copy_n/50119.cc: New.

From-SVN: r177871

Change ix86_isa_flags to HOST_WIDE_INT.

2011-08-18  H.J. Lu  <hongjiu.lu@intel.com>
    Igor Zamyatin <igor.zamyatin@intel.com>

* config/i386/i386-c.c (ix86_target_macros_internal): Replace int
with HOST_WIDE_INT for isa_flag.
(ix86_pragma_target_parse): Replace int with HOST_WIDE_INT for
isa variables.

* config/i386/i386.c (ix86_target_string): Replace int with
HOST_WIDE_INT for isa.  Use HOST_WIDE_INT_PRINT to print isa.
(ix86_target_opts): Replace int with HOST_WIDE_INT on mask.
(pta_flags): Removed.
(PTA_XXX): Redefined as (HOST_WIDE_INT_1 << X).
(pta): Use HOST_WIDE_INT on flags.
(builtin_isa): Use HOST_WIDE_INT on isa.
(ix86_add_new_builtins): Likewise.
(def_builtin): Use HOST_WIDE_INT on mask.
(def_builtin_const): Likewise.
(builtin_description): Likewise.

* config/i386/i386.opt (ix86_isa_flags): Replace int with
HOST_WIDE_INT.
(ix86_isa_flags_explicit): Likewise.
(x_ix86_isa_flags_explicit): Likewise.

Co-Authored-By: Igor Zamyatin <igor.zamyatin@intel.com>
From-SVN: r177870

* include/cpplib.h (struct cpp_options): Fix typo.

From-SVN: r177869

c1x-uni-string-1.c, [...]: New tests.

gcc/testsuite:
* gcc.dg/c1x-uni-string-1.c, gcc.dg/c1x-uni-string-2.c: New tests.

libcpp:
* include/cpplib.h (struct cpp_options): Add rliterals.
* init.c  (struct lang_flags, lang_defaults): Add rliterals.
(cpp_set_lang): Set rliterals option.
(cpp_init_builtins): Define __STDC_UTF_16__ and __STDC_UTF_32__.
* lex.c (_cpp_lex_direct): Only accept raw strings if rliterals.

From-SVN: r177868

re PR fortran/18918 (Eventually support Fortran 2008's coarrays [co-arrays])

2011-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * parse.c (parse_derived): Add lock_type
        checks, improve coarray_comp handling.
        * resolve.c (resolve_allocate_expr,
        resolve_lock_unlock, resolve_symbol): Fix lock_type
        constraint checks.

2011-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_lock_1.f90: Update dg-error.
        * gfortran.dg/coarray_lock_3.f90: Fix test.
        * gfortran.dg/coarray_lock_4.f90: New.
        * gfortran.dg/coarray_lock_5.f90: New.

From-SVN: r177867

Use Solaris prototypes if possible (PR libstdc++-v3/1773)

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
From-SVN: r177866

re PR rtl-optimization/50107 ([IRA, i386] allocates registers in very non-optimal way)

2011-08-17  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/50107
* ira-int.h (ira_hard_reg_not_in_set_p): Remove.
(ira_hard_reg_in_set_p): New.

* ira-color.c (calculate_saved_nregs): New.
(assign_hard_reg): Use it.  Set up allocated_hard_reg_p for all
hard regs.
(allocno_reload_assign, fast_allocation): Use
ira_hard_reg_set_intersection_p instead of
ira_hard_reg_not_in_set_p.

* ira.c (setup_reg_renumber): Use
ira_hard_reg_set_intersection_p instead of
ira_hard_reg_not_in_set_p.
(setup_allocno_assignment_flags, calculate_allocation_cost): Use
ira_hard_reg_in_set_p instead of ira_hard_reg_not_in_set_p.

* ira-costs.c (ira_tune_allocno_costs): Use
ira_hard_reg_set_intersection_p instead of
ira_hard_reg_not_in_set_p.

From-SVN: r177865

Allow HOST_WIDE_INT for option variable.

2011-08-18  H.J. Lu  <hongjiu.lu@intel.com>
    Igor Zamyatin <igor.zamyatin@intel.com>

* hwint.h (HOST_WIDE_INT_1): New.

* opt-functions.awk (switch_bit_fields): Initialize the
host_wide_int field.
(host_wide_int_var_name): New.
(var_type_struct): Check and return HOST_WIDE_INT.

* opt-read.awk: Handle HOST_WIDE_INT for "Variable".

* optc-save-gen.awk: Support HOST_WIDE_INT on var_target_other.

* opth-gen.awk: Use HOST_WIDE_INT_1 on HOST_WIDE_INT.  Properly
check masks for HOST_WIDE_INT.

* opts-common.c (set_option): Support HOST_WIDE_INT flag_var.
(option_enabled): Likewise.
(get_option_state): Likewise.

* opts.h (cl_option): Add cl_host_wide_int.  Change var_value
to HOST_WIDE_INT.

Co-Authored-By: Igor Zamyatin <igor.zamyatin@intel.com>
From-SVN: r177864

Keep tm, div_t, ldiv_t, lconv mangling on Solaris (PR libstdc++-v3/1773)

Co-Authored-By: Marc Glisse <marc.glisse@normalesup.org>
From-SVN: r177863

2011-08-18  Peter Collingbourne  <peter@pcc.me.uk>

* expr.c (expand_invoke) Use the type of the method rewrite
target.

From-SVN: r177862

re PR target/50009 (Segmentation fault in tree_nop_conversion)

PR target/50009
* stor-layout.c (update_alignment_for_field): Don't ICE on
packed flexible array members if ms_bitfield_layout_p.

* gcc.c-torture/compile/pr50009.c: New test.

From-SVN: r177860

re PR target/50092 (internal compiler error: in elimination_costs_in_insn, at reload1.c:3633)

PR target/50092
* config/i386/i386.c (assign_386_stack_local): Call validize_mem
on the result before returning it.

* gcc.dg/torture/pr50092.c: New test.

From-SVN: r177859

re PR fortran/50109 (Formatted namelist read with multiple "!" fails with: Cannot match namelist object name !)

2011-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50109
        * io/list_read.c (eat_separator): Fix skipping over "!" lines.

2011-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50109
        * gfortran.dg/namelist_73.f90: New.

From-SVN: r177858

re PR debug/50017 (-fcompare-debug failure)

PR debug/50017
* tree-vect-stmts.c (vect_finish_stmt_generation): If gsi_stmt (*gsi)
is a debug stmt, use location of the first non-debug stmt after it.

* gcc.dg/pr50017.c: New test.

From-SVN: r177857

* g++.dg/plugin/decl_plugin.c: Include diagnostic.h.

From-SVN: r177856

arm.c (arm_rtx_costs_1): Don't modify the costs of SET.

gcc/
* config/arm/arm.c (arm_rtx_costs_1): Don't modify the costs of SET.
(arm_size_rtx_costs): Likewise.

From-SVN: r177855

bpabi-lib.h (RENAME_LIBRARY_SET): Delete.

libgcc/
* config/arm/bpabi-lib.h (RENAME_LIBRARY_SET): Delete.

From-SVN: r177854

tree.h (tree_int_cst_msb): Remove.

2011-08-18  Richard Guenther  <rguenther@suse.de>

* tree.h (tree_int_cst_msb): Remove.
* tree.c (tree_int_cst_msb): Likewise.
(tree_int_cst_sign_bit): Move from ...
* tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): ... here.

From-SVN: r177853

tm.texi.in (TARGET_RTX_COSTS): Add an opno paramter.

gcc/
* doc/tm.texi.in (TARGET_RTX_COSTS): Add an opno paramter.
* doc/tm.texi: Regenerate.
* target.def (rtx_costs): Add an opno parameter.
* hooks.h (hook_bool_rtx_int_int_intp_bool_false): Replace with...
(hook_bool_rtx_int_int_int_intp_bool_false): ...this.
* hooks.c (hook_bool_rtx_int_int_intp_bool_false): Replace with...
(hook_bool_rtx_int_int_int_intp_bool_false): ...this.
* cse.c (COST_IN): Add an opno parameter.
(notreg_cost): Likewise.  Update call to rtx_cost.
(COST, fold_rtx): Update accordingly.
* dojump.c (prefer_and_bit_test): Update call to rtx_cost.
* expmed.c (emit_store_flag): Likewise.
* optabs.c (avoid_expensive_constant): Add an opno parameter.
Update call to rtx_cost.
(expand_binop_directly, expand_binop): Likewise.
(expand_twoval_binop, prepare_cmp_insn): Likewise.
* rtl.h (rtx_cost, get_full_rtx_cost): Add opno parameters.
(set_src_cost, get_full_set_src_cost): Update accordingly.
* rtlanal.c (rtx_cost): Add an opno parameter.  Update call
to target hook.
(get_full_rtx_cost): Add an opno paramter.  Update calls to rtx_cost.
(default_adress_cost): Update calls to rtx_cost.

* config/arm/arm.c (arm_rtx_costs_1, arm_size_rtx_costs)
(arm_slowmul_rtx_costs): Adjust calls to rtx_cost.
(arm_rtx_costs): Add an opno parameter.
* config/alpha/alpha.c (alpha_rtx_costs): Add an opno parameter and
adjust any recursive rtx-cost calls.
* config/avr/avr.c (avr_operand_rtx_cost, avr_rtx_costs): Likewise.
* config/bfin/bfin.c (bfin_rtx_costs): Likewise.
* config/c6x/c6x.c (c6x_rtx_costs): Likewise.
* config/cris/cris.c (cris_rtx_costs): Likewise.
* config/frv/frv.c (frv_rtx_costs): Likewise.
* config/h8300/h8300.c (h8300_rtx_costs): Likewise.
* config/i386/i386.c (ix86_rtx_costs): Likewise.
* config/ia64/ia64.c (ia64_rtx_costs): Likewise.
* config/iq2000/iq2000.c (iq2000_rtx_costs): Likewise.
* config/lm32/lm32.c (lm32_rtx_costs): Likewise.
* config/m32c/m32c.c (m32c_rtx_costs): Likewise.
* config/m32r/m32r.c (m32r_rtx_costs): Likewise.
* config/m68k/m68k.c (m68k_rtx_costs): Likewise.
* config/mcore/mcore.c (mcore_rtx_costs): Likewise.
* config/mep/mep.c (mep_rtx_cost): Likewise.
* config/microblaze/microblaze.c (microblaze_rtx_costs): Likewise.
* config/mips/mips.c (mips_binary_cost): Update call to rtx_cost.
(mips_zero_extend_cost): Add an opno parameter.
* config/mmix/mmix.c (mmix_rtx_costs): Likewise.
* config/mn10300/mn10300.c (mn10300_address_cost): Update call
to rtx_cost.
(mn10300_rtx_costs): Add an opno parameter and adjust any recursive
rtx-cost calls.
* config/pa/pa.c (hppa_rtx_costs): Likewise.
* config/pdp11/pdp11.c (pdp11_rtx_costs): Likewise.
* config/picochip/picochip.c (picochip_rtx_costs): Likewise.
* config/rs6000/rs6000.c (rs6000_rtx_costs): Likewise.
(rs6000_debug_rtx_costs): Likewise.
* config/s390/s390.c (s390_rtx_costs): Likewise.
* config/score/score-protos.h (score_rtx_costs): Likewise.
* config/score/score.c (score_rtx_costs): Likewise.
* config/sh/sh.c (andcosts): Update call to rtx_cost.
(sh_rtx_costs): Add an opno parameter.
* config/sparc/sparc.c (sparc_rtx_costs): Likewise.
* config/spu/spu.c (spu_rtx_costs): Likewise.
* config/stormy16/stormy16.c (xstormy16_rtx_costs): Likewise.
* config/v850/v850.c (v850_rtx_costs): Likewise.
* config/vax/vax.c (vax_rtx_costs): Likewise.
* config/xtensa/xtensa.c (xtensa_rtx_costs): Likewise.

From-SVN: r177852

rtl.h (set_src_cost, [...]): New functions.

gcc/
* rtl.h (set_src_cost, get_full_set_src_cost): New functions.
* auto-inc-dec.c (attempt_change): Use set_src_cost instead of
rtx_cost.
* calls.c (precompute_register_parameters): Likewise.
* combine.c (expand_compound_operation, make_extraction): Likewise.
(force_to_mode, distribute_and_simplify_rtx): Likewise.
* dse.c (find_shift_sequence): Likewise.
* expmed.c (init_expmed, expand_mult, expand_smod_pow2): Likewise.
* expr.c (compress_float_constant): Likewise.
* fwprop.c (should_replace_address, try_fwprop_subst): Likewise.
* gcse.c (want_to_gcse_p): Likewise.
* ifcvt.c (noce_try_sign_mask): Likewise.
* loop-doloop.c (doloop_optimize): Likewise.
* loop-invariant.c (create_new_invariant): Likewise.
* optabs.c (avoid_expensive_constant): Likewise.
* postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands)
(try_replace_in_use, reload_cse_move2add): Likewise.
* reload1.c (calculate_elim_costs_all_insns): Likewise.
(note_reg_elim_costly): Likewise.
* rtlanal.c (insn_rtx_cost): Likewise.
* simplify-rtx.c (simplify_binary_operation_1): Likewise.
* stmt.c (lshift_cheap_p): Likewise.
* tree-ssa-loop-ivopts.c (seq_cost, computation_cost): Likewise.
* config/avr/avr.c (final_prescan_insn): Likewise.
* config/bfin/bfin.c (bfin_rtx_costs): Likewise.
* config/mips/mips.c (mips_binary_cost, mips_rtx_costs): Likewise.

From-SVN: r177851

rtl.h (set_rtx_cost, [...]): New functions.

gcc/
* rtl.h (set_rtx_cost, get_full_set_rtx_cost): New functions.
* auto-inc-dec.c (attempt_change): Use set_rtx_cost.
* cfgloopanal.c (seq_cost): Likewise.
* loop-invariant.c (create_new_invariant): Likewise.
* postreload.c (move2add_use_add2_insn, move2add_use_add3_insn)
(reload_cse_move2add): Use get_full_set_rtx_cost.

From-SVN: r177850

expr.c (get_inner_reference): Fix typo in last change.

2011-08-18  Richard Guenther  <rguenther@suse.de>

* expr.c (get_inner_reference): Fix typo in last change.

From-SVN: r177849

re PR tree-optimization/49963 (ICE: in abs_hwi, at hwint.c:108)

2011-08-18  Paolo Carlini  <paolo.carlini@oracle.com>
    Joseph Myers  <joseph@codesourcery.com>

PR tree-optimization/49963
* hwint.c (absu_hwi): Define.
* hwint.h (absu_hwi): Declare.
* fold-const.c (fold_plusminus_mult_expr): Use absu_hwi instead
of abs_hwi.
* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Likewise.
* tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Likewise.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
From-SVN: r177848

expr.c (get_inner_reference): Sign-extend the constant twos-complement offset before doing arbitrary...

2011-08-18  Richard Guenther  <rguenther@suse.de>

* expr.c (get_inner_reference): Sign-extend the constant
twos-complement offset before doing arbitrary precision
arithmetic on it.
* tree-ssa-structalias.c (get_constraint_for_ptr_offset): Likewise.
(get_constraint_for_1): Pass the offset of a MEM_REF unchanged
to get_constraint_for_ptr_offset.

From-SVN: r177847

PR c++/45625 - Template parm name doesn't hide outer class scope's member name

gcc/cp/

* pt.c (parameter_of_template_p): Handle comparison with DECLs of
template parameters as created by process_template_parm.

gcc/testsuite/

* g++.dg/lookup/hidden-var1.C: New test case.

From-SVN: r177846

Daily bump.

From-SVN: r177843

re PR target/50068 (Invalid memory access in incr_ticks_for_insn)

PR target/50068
* config/sh/sh.c (sh_output_mi_thunk): Don't call dbr_schedule.

From-SVN: r177839

re PR fortran/31461 (warn about entities in USE, ONLY statement not later used)

2011-08-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31461
        * trans-decl.c (generate_local_decl): Warn about
        unused explicitly imported module variables/parameters.

2011-08-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31461
        * gfortran.dg/warn_unused_var_2.f90: New.
        * gfortran.dg/warn_unused_var_3.f90: New.

From-SVN: r177833

tree.h (convert_to_ptrofftype_loc): New function.

2011-08-17  Richard Guenther  <rguenther@suse.de>

* tree.h (convert_to_ptrofftype_loc): New function.
(convert_to_ptrofftype): Define.
* builtins.c (expand_builtin_bzero): Use size_type_node.
(fold_builtin_bzero): Likewise.
(std_gimplify_va_arg_expr): Build the BIT_AND_EXPR on the pointer.
* c-typeck.c (build_unary_op): Use convert_to_ptrofftype_loc.
* cgraphunit.c (thunk_adjust): Use fold_build_pointer_plus_loc.
(cgraph_redirect_edge_call_stmt_to_callee): Use size_int.
* expr.c (expand_expr_addr_expr_1): Use fold_build_pointer_plus.
* fold-const.c (build_range_check): Negate using the original
type.
(fold_unary_loc): Use fold_build_pointer_plus_loc.
* gimple-fold.c (gimple_adjust_this_by_delta): Use
convert_to_ptrofftype.
* gimplify.c (gimplify_self_mod_expr): Likewise.
* graphite-clast-to-gimple.c (clast_to_gcc_expression): Likewise.
(graphite_create_new_loop_guard): Likewise.
* graphite-sese-to-poly.c (my_long_long): Remove.
(scop_ivs_can_be_represented): Adjust.
* tree-cfg.c (verify_gimple_assign_unary): Use ptrofftype_p.
* tree-chrec.c (chrec_fold_plus_1): Use fold_build_pointer_plus.
* tree-loop-distribution.c (build_size_arg_loc): Use
size_type_node.
(generate_memset_zero): Simplify.
* tree-mudflap.c: Use fold_convert, not convert.
* tree-predcom.c (suitable_reference_p): Expand DR_OFFSET in
its own type.
(determine_offset): Likewise for DR_STEP.
(valid_initializer_p): Likewise.
* tree-profile.c (prepare_instrumented_value): Convert the pointer
to an integer type of same size.
* tree-scalar-evolution.c (interpret_rhs_expr): Do not refer
to sizetype without need.
* tree-ssa-address.c (tree_mem_ref_addr): Likewise.
* tree-ssa-loop-ivopts.c (find_bivs): Use convert_to_ptrofftype.
* tree-ssa-loop-manip.c (create_iv): Likewise.
(determine_exit_conditions): Adjust comment.
* tree-ssa-pre.c (create_expression_by_pieces): Use
convert_to_ptrofftype.
* tree-ssa-structalias.c (get_constraint_for_1): Likewise.
* varasm.c (array_size_for_constructor): Compute using double_ints.

From-SVN: r177828

re PR target/43597 (Move and compare with 0 can be combined)

2011-08-17  Tom de Vries  <tom@codesourcery.com>

PR target/43597
* gcc.target/arm/pr43597.c: New test.

From-SVN: r177827

re PR target/50090 (ARM EABI symbols in libgcc.a have default visibility)

libgcc/
PR target/50090
* config/arm/bpabi-lib.h (RENAME_LIBRARY): Use a C-level alias
instead of an assembly one.

From-SVN: r177826

re PR fortran/50070 (Segmentation fault at size_binop_loc in fold-const.c)

2011-08-17  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50070
* resolve.c (resolve_fl_variable): Reject non-constant character lengths
in COMMON variables.

2011-08-17  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50070
* gfortran.dg/common_13.f90: New.

From-SVN: r177825

Daily bump.

From-SVN: r177820

re PR c++/50086 ([C++0x] Error on lookup of template function address with variadic template arguments)

PR c++/50086
* pt.c (unify_pack_expansion): Correct overloaded unification
logic.

From-SVN: r177813

* g++.old-deja/g++.brendan/README: Add R.I.P.

From-SVN: r177812

pt.c (instantiate_class_template_1): If DECL_PRESERVE_P is set on a member function or static data member...

* pt.c (instantiate_class_template_1): If DECL_PRESERVE_P is set
on a member function or static data member, call mark_used.

From-SVN: r177811

re PR c++/50054 (Fails to recover from type error in function signature)

PR c++/50054
* typeck2.c (cxx_incomplete_type_diagnostic): Handle
init_list_type_node.

From-SVN: r177810

re PR fortran/50094 (FAIL: gfortran.dg/coarray_6.f90)

2011-08-16  Tobias Burnus  <burnus@net-b.de>
            Dominique Dhumieres  <dominiq@lps.ens.fr>

        PR fortran/50094
        * resolve.c (resolve_symbol): Fix stupid typo.

Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>
From-SVN: r177801

spu.c (spu_emit_branch_or_set): Avoid reverse tests when generating an integer result where possible.

* config/spu/spu.c (spu_emit_branch_or_set): Avoid reverse tests
when generating an integer result where possible.  Short-cut
comparison against 0 also for QImode.

From-SVN: r177795

spu.h (LEGITIMIZE_RELOAD_ADDRESS): New macro.

* config/spu/spu.h (LEGITIMIZE_RELOAD_ADDRESS): New macro.
* config/spu/spu-protos.h (spu_legitimize_reload_address): Add
prototype.
* config/spu/spu.c (spu_legitimize_reload_address): New function.
(spu_legitimate_address_p): Do not check displacement if the base
is an eliminable stack register.

From-SVN: r177794

m32c.h (PREFERRED_RELOAD_CLASS, [...]): Remove macro.

* config/m32c/m32c.h (PREFERRED_RELOAD_CLASS,
PREFERRED_OUTPUT_RELOAD_CLASS): Remove macro.
* config/m32c/m32c-protos.h (m32c_preferred_reload_class,
m32c_preferred_output_reload_class): Remove.
* config/m32c/m32c.c (m32c_preferred_reload_class): Make static.
Change rclass argument and return types to reg_class_t. Use
reg_class_subset_p instead of class_sizes.
(m32c_preferred_output_reload_class): Make static. Change rclass
argument and return types to reg_class_t.
(TARGET_PREFERRED_RELOAD_CLASS,
TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

From-SVN: r177790

* config/i386/mingw32.h (GOMP_SELF_SPEC): Add -pthread option.

From-SVN: r177789

re PR tree-optimization/50082 (-Wstrict-overflow mishandles typedef)

2011-08-16  Richard GUenther  <rguenther@suse.de>

PR tree-optimization/50082
* tree-ssa-forwprop.c (combine_cond_expr_cond): Handle overflow
warnings here, instead of ...
(ssa_forward_propagate_and_combine): ... here.
(forward_propagate_into_comparison_1): Adjust.
(forward_propagate_into_comparison): Likewise.
(forward_propagate_into_gimple_cond): Likewise.
(forward_propagate_into_cond): Likewise.

From-SVN: r177788

ggc.h (ggc_alloc_rtvec_sized): Use ggc_alloc_zone_rtvec_def instead of ggc_alloc_zone_vec_rtvec_def.

* ggc.h (ggc_alloc_rtvec_sized): Use ggc_alloc_zone_rtvec_def
instead of ggc_alloc_zone_vec_rtvec_def.

From-SVN: r177785

tree.h (ptrofftype_p): New helper function.

2011-08-16  Richard Guenther  <rguenther@suse.de>

* tree.h (ptrofftype_p): New helper function.
* tree-cfg.c (verify_expr): Use ptrofftype_p for POINTER_PLUS_EXPR
offset verification.
(verify_gimple_assign_binary): Likewise.
* tree.c (build2_stat): Likewise.
* tree-chrec.c (chrec_fold_plus_poly_poly): Likewise.
(reset_evolution_in_loop): Likewise.
* tree-chrec.h (build_polynomial_chrec): Likewise.

From-SVN: r177784

ggc.h (ggc_alloc_rtvec_sized): Change arguments of ggc_alloc_zone_vec_rtvec_def.

2011-08-16  Liang Wang  <lwang1@marvell.com>

* ggc.h (ggc_alloc_rtvec_sized): Change arguments of
ggc_alloc_zone_vec_rtvec_def.

From-SVN: r177782

tree-vrp.c (extract_range_from_multiplicative_op_1): New helper factored out from ...

2011-08-16  Richard Guenther  <rguenther@suse.de>

* tree-vrp.c (extract_range_from_multiplicative_op_1): New
helper factored out from ...
(extract_range_from_binary_expr_1): ... here.  Re-structure
to not glob handling too different tree codes.

From-SVN: r177781

Remove entry for gofrontend directory which should not be here.

From-SVN: r177779

Daily bump.

From-SVN: r177777

Only run g++.dg/opt/life1.C on Linux.

2011-08-15  H.J. Lu  <hongjiu.lu@intel.com>

PR testsuite/50085
* g++.dg/opt/life1.C: Only run on Linux.

From-SVN: r177772

fix Change log

From-SVN: r177769

LINEMAP_POSITION_FOR_COLUMN had the exact same effect as linemap_position_for_column...

LINEMAP_POSITION_FOR_COLUMN had the exact same effect as
linemap_position_for_column, removed it and updated users
to use linemap_position_for_column instead

        libcpp/ChangeLog
* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Remove.
Update all users to use linemap_position_for_column instead.

        gcc/go/ChangeLog
* gofrontend/lex.cc (Lex::location): Update to use
linemap_position_for_column instead.
        (Lex::earlier_location): Likewise.

From-SVN: r177768

resolve.c (resolve_symbol): Fix coarray result-var check.

2011-08-15  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_symbol): Fix coarray result-var check.

2011-08-15  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/coarray_26.f90: New.

From-SVN: r177767

re PR debug/50006 (ICE in in connect_traces, at dwarf2cfi.c:2677)

PR middle-end/50006
        * explow.c (allocate_dynamic_stack_space): Move suppress_reg_args_size
        setting out to include allocate_stack named pattern as well.
        * builtins.c (expand_builtin_apply): Add ARG_SIZE 0 note.
        * stmt.c (expand_stack_restore): Likewise.

From-SVN: r177764

Fix typo last change

From-SVN: r177763

re PR tree-optimization/50082 (-Wstrict-overflow mishandles typedef)

2011-08-15  Richard Guenther  <rguenther@suse.de>

PR middle-end/50082
* fold-const.c (maybe_canonicalize_comparison_1): Properly
convert the modified operand to the other operand type.
(fold_comparison): Call maybe_canonicalize_comparison_1 with
useless conversions stripped from comparison operands.

From-SVN: r177762

tree-vrp.c (value_range_nonnegative_p): Fix anti-range case.

2011-08-15  Richard Guenther  <rguenther@suse.de>

* tree-vrp.c (value_range_nonnegative_p): Fix anti-range case.
(extract_range_from_unary_expr_1): Restructure.

From-SVN: r177761

re PR tree-optimization/50058 (FAIL: g++.dg/tree-ssa/pr41186.C)

2011-08-15  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50058
* tree-ssa-sccvn.c (vn_reference_lookup_3): Relax aggregate
copy matching.

From-SVN: r177760

re PR target/50022 ("incorrect condition in IT block" when building mozilla code base for ARM)

2011-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

PR target/50022
* config/arm/arm.c (output_move_double): Add 2 parameters
to count the number of insns emitted and whether to emit or not.
Use the flag to decide when to emit and count number of instructions
that will be emitted.
Handle case where output_move_double might be called for calculating
lengths with an invalid constant.
(arm_count_output_move_double_insns): Define.
* config/arm/arm-protos.h (arm_count_output_move_double_insns): Declare.
(output_move_double): Adjust prototype.
* config/arm/vfp.md ("*movdi_vfp"): Adjust call to
output_move_double.
("*movdi_vfp_cortexa8"): Likewise and add attribute
for ce_count.
* config/arm/arm.md ("*arm_movdi"): Adjust call to output_move_double.
("*movdf_soft_insn"): Likewise.
* config/arm/cirrus.md ("*cirrus_arm_movdi"): Likewise.
("*cirrus_thumb2_movdi"): Likewise.
("*thumb2_cirrus_movdf_hard_insn"): Likewise.
("*cirrus_movdf_hard_insn"): Likewise.
* config/arm/neon.md (*neon_mov<mode> VD): Likewise.
* config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Likewise.
("mov<mode>_internal VMMX"): Likewise.
* config/arm/fpa.md (*movdf_fpa, *thumb2_movdf_fpa): Likewise.

From-SVN: r177759

vrp61.c: : Use -fdump-tree-vrp1-nouid instead of -fdump-tree-vrp1.

* gcc.dg/tree-ssa/vrp61.c: : Use -fdump-tree-vrp1-nouid instead of
-fdump-tree-vrp1.

From-SVN: r177758

*: Image and image filename changes.

2011-08-14  Benjamin Kosnik  <bkoz@redhat.com>

* doc/xml/images/*: Image and image filename changes.

From-SVN: r177757

make_graph_test_infos.xml: Edit.

2011-08-14  Benjamin Kosnik  <bkoz@redhat.com>

* testsuite/data/make_graph_test_infos.xml: Edit.
* testsuite/data/make_graph_htmls.xml: Remove
* scripts/make_graph.py: Edit, fix.
* scripts/make_graphs.py: Remove.

* doc/Makefile.am (doc-svg-performance): New.
(doc-html-performance): Remove.
* doc/Makefile.in: Regenerate.

* doc/xml/manual/test_policy_data_structures.xml: Markup changes.
* doc/xml/manual/policy_data_structures.xml: Same.
* doc/xml/manual/locale.xml: Same.

Testsuite renames.
* performance/ext/pb_ds/priority_queue_text_modify_down_timing.cc:
Rename.
* performance/ext/pb_ds/random_int_find_timing.cc: Same.
* performance/ext/pb_ds/multimap_text_insert_mem_usage.hpp
* performance/ext/pb_ds/multimap_text_find_timing.hpp
* performance/ext/pb_ds/priority_queue_random_int_push_timing.cc: Same.
* performance/ext/pb_ds/priority_queue_text_modify_timing.hpp
* performance/ext/pb_ds/tree_order_statistics_timing.cc: Same.
* performance/ext/pb_ds/multimap_text_insert_mem_usage_large.cc: Same.
* performance/ext/pb_ds/priority_queue_text_push_pop_timing.cc: Same.
* performance/ext/pb_ds/priority_queue_text_join_timing.cc: Same.
* performance/ext/pb_ds/multimap_text_insert_timing_small.cc: Same.
* performance/ext/pb_ds/random_int_subscript_insert_timing.cc: Same.
* performance/ext/pb_ds/tree_text_lor_find_timing.cc: Same.
* performance/ext/pb_ds/priority_queue_text_pop_mem_usage.cc: Same.
* performance/ext/pb_ds/multimap_text_find_timing_small.cc: Same.
* performance/ext/pb_ds/text_find_timing.cc: Same.
* performance/ext/pb_ds/tree_text_insert_timing.cc: Same.
* performance/ext/pb_ds/hash_random_int_erase_mem_usage.cc: Same.
* performance/ext/pb_ds/random_int_subscript_find_timing.cc: Same.
* performance/ext/pb_ds/priority_queue_text_push_timing.cc: Same.
* performance/ext/pb_ds/tree_split_join_timing.cc: Same.
* performance/ext/pb_ds/multimap_text_insert_timing_large.cc: Same.
* performance/ext/pb_ds/priority_queue_text_modify_up_timing.cc: Same.
* performance/ext/pb_ds/multimap_text_find_timing_large.cc: Same.
* performance/ext/pb_ds/priority_queue_random_int_push_pop_timing.cc:
Same.
* performance/ext/pb_ds/multimap_text_insert_timing.hpp
* performance/ext/pb_ds/multimap_text_insert_mem_usage_small.cc: Same.
* performance/ext/pb_ds/hash_zlob_random_int_find_timing.cc: Same.

* performance/ext/pb_ds/all_int_find.cc: To these new files...
* performance/ext/pb_ds/all_int_subscript_find.cc: ...this.
* performance/ext/pb_ds/all_int_subscript_insert.cc: ...this.
* performance/ext/pb_ds/all_text_find.cc: ...this.
* performance/ext/pb_ds/hash_int_erase_mem.cc: ...this.
* performance/ext/pb_ds/hash_zlob_int_find.cc: ...this.
* performance/ext/pb_ds/multimap_text_find.hpp
* performance/ext/pb_ds/multimap_text_find_large.cc: ...this.
* performance/ext/pb_ds/multimap_text_find_small.cc: ...this.
* performance/ext/pb_ds/multimap_text_insert.hpp
* performance/ext/pb_ds/multimap_text_insert_large.cc: ...this.
* performance/ext/pb_ds/multimap_text_insert_mem.hpp
* performance/ext/pb_ds/multimap_text_insert_mem_large.cc: ...this.
* performance/ext/pb_ds/multimap_text_insert_mem_small.cc: ...this.
* performance/ext/pb_ds/multimap_text_insert_small.cc: ...this.
* performance/ext/pb_ds/priority_queue_int_push.cc: ...this.
* performance/ext/pb_ds/priority_queue_int_push_pop.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_join.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_modify_down.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_modify.hpp
* performance/ext/pb_ds/priority_queue_text_modify_up.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_pop_mem.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_push.cc: ...this.
* performance/ext/pb_ds/priority_queue_text_push_pop.cc: ...this.
* performance/ext/pb_ds/tree_order_statistics.cc: ...this.
* performance/ext/pb_ds/tree_split_join.cc: ...this.
* performance/ext/pb_ds/tree_text_insert.cc: ...this.
* performance/ext/pb_ds/tree_text_lor_find.cc: ...this.

* doc/xml/images/*: Image and image filename changes.

From-SVN: r177756

Daily bump.

From-SVN: r177755

i386.c (ix86_expand_round_sse4): New function.

* config/i386/i386.c (ix86_expand_round_sse4): New function.
* config/i386/i386-protos.h (ix86_expand_round_sse4): New prototype.
* config/i386/i386.md (round<mode>2): Use ix86_expand_round_sse4
for TARGET_ROUND.

(rint<mode>2): Simplify TARGET_ROUND check.
(floor<mode>2): Ditto.
(ceil<mode>2): Ditto.
(btrunc<mode>2): Ditto.

From-SVN: r177751

module.c (use_iso_fortran_env_module): Spell 'referrenced' correctly.

2011-08-14  Steven G. Kargl  <kargl@gcc.gnu.org>

* module.c (use_iso_fortran_env_module):  Spell 'referrenced' correctly.

From-SVN: r177750

mmix.c (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Redefine as mmix_preferred_output_reload_class.

* config/mmix/mmix.c (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Redefine
as mmix_preferred_output_reload_class.

From-SVN: r177749

configure.ac (tic6x-*-*): Remove gdb from noconfigdirs.

* configure.ac (tic6x-*-*): Remove gdb from noconfigdirs.
* configure: Regenerate.

From-SVN: r177746

re PR fortran/50073 (gfortran must not accept function name when result name is present)

2011-08-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50073
* decl.c (check_function_name): New function, separated off from
'variable_decl' and slightly extended.
(variable_decl,attr_decl1): Call it.

2011-08-14  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50073
* gfortran.dg/func_result_7.f90: New.

From-SVN: r177745

re PR target/49903 ([avr] Redundant comparisons in binary-search switch/case expansion)

* PR target/49903
* config/avr/avr.md (UNSPEC_IDENTITY): New c_enum.
(branch_unspec): New insn.
(branch): Beauty farm.
* config/avr/avr.c (compare_condition): Use JUMP_P.  Test SET_SRC
to be IF_THEN_ELSE.
(avr_compare_pattern, avr_reorg_remove_redundant_compare):
New static functions.
(avr_reorg): Use them.  Use next_real_insn instead of NEXT_INSN.
Use CONST_INT_P.  Beauty.

From-SVN: r177744

re PR c++/50075 ([C++0x] ICE related to parameter deduction and initializer_list)

PR c++/50075
* name-lookup.c (local_bindings_p): New.
* name-lookup.h: Declare it.
* lex.c (unqualified_name_lookup_error): Use it.

From-SVN: r177743

Daily bump.

From-SVN: r177741

re PR c++/50059 ([C++0x] Broken error message with __builtin_remquo & constexpr)

PR c++/50059
* error.c (dump_expr): Handle MODIFY_EXPR properly.

From-SVN: r177735

decl.c (grok_reference_init): Handle constexpr here.

* decl.c (grok_reference_init): Handle constexpr here.
* call.c (initialize_reference): Not here.

From-SVN: r177734

Fix bug in vtable initialization

From-SVN: r177731

Daily bump.

From-SVN: r177728

re PR c++/50034 (Overload selection failure within class template)

PR c++/50034
* call.c (convert_arg_to_ellipsis): force_rvalue only in
potentially evaluated context.

From-SVN: r177722

re PR rtl-optimization/49994 (ICE: in maybe_record_trace_start, at dwarf2cfi.c:2234 with -fsched2-use-superblocks)

PR rtl-opt/49994
        * sched-init.h (struct deps_desc): Add sched_before_next_jump.
        * sched-deps.c (init_deps): Clear it.
        (deps_analyze_insn): Consume it.
        (sched_analyze_insn): Fill it.

From-SVN: r177721

Fix changelog

From-SVN: r177720

re PR bootstrap/50047 (Revision 177670 failed to bootstrap)

2011-08-12  Paolo Bonzini  <bonzini@gnu.org>

PR bootstrap/50047
* Makefile.in (install-unwind_h): Create
$(gcc_objdir)/include/unwind.h atomically.

From-SVN: r177706