dce.c (run_word_dce): Take flag_dce into account.

* dce.c (run_word_dce): Take flag_dce into account.  Clear and restore
df flags as in run_fast_df_dce.

From-SVN: r162697

re PR fortran/45087 (-fwhole-program: Miscompiled due to wrong decls)

2010-07-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45087
        PR fortran/45125
        * trans-decl.c (gfc_get_extern_function_decl): Correctly handle
        external procedure declarations in modules.
        (gfc_get_symbol_decl): Modify assert.

2010-07-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45087
        PR fortran/45125
        * gfortran.dg/whole_file_25.f90: New.
        * gfortran.dg/whole_file_26.f90: New.
        * gfortran.dg/whole_file_27.f90: New.

From-SVN: r162696

re PR fortran/44962 ([OOP] ICE with specification expression SIZE(<CLASS>))

2010-07-29  Janus Weil  <janus@gcc.gnu.org>

PR fortran/44962
* resolve.c (resolve_fl_derived): Call gfc_resolve_array_spec.

2010-07-29  Janus Weil  <janus@gcc.gnu.org>

PR fortran/44962
* gfortran.dg/typebound_proc_17.f03: New.

From-SVN: r162695

revert: rtl.def (NOTE): Swap operands 4 and 5.

Revert:
* rtl.def (NOTE): Swap operands 4 and 5.
        * rtl.h (NOTE_DATA, NOTE_DELETED_LABEL_NAME, NOTE_BLOCK,
NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION, NOTE_KIND):
Adjust accordingly.
        * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of NOTEs.

From-SVN: r162692

re PR debug/45110 (GCC does not emit DW_AT_object_pointer)

PR debug/45110
* dwarf2out.c (dwarf_attr_name): Handle DW_AT_object_pointer.
(gen_formal_types_die): Add DW_AT_object_pointer in methods.
(gen_subprogram_die): Likewise.  Remove it when removing declaration's
formal parameters.
(gen_decl_die): Change return type to dw_die_ref, return what
gen_formal_parameter_die returned.

From-SVN: r162691

re PR fortran/45004 ([OOP] Segfault with allocatable scalars and move_alloc)

2010-07-29  Janus Weil  <janus@gcc.gnu.org>

PR fortran/45004
* trans-stmt.h (gfc_trans_class_init_assign): New prototype.
(gfc_trans_class_assign): Modified prototype.
* trans.h (gfc_conv_intrinsic_move_alloc): New prototype.
* trans-expr.c (gfc_trans_class_init_assign): Split off from ...
(gfc_trans_class_assign): ... here. Modified actual arguments.
* trans-intrinsic.c (gfc_conv_intrinsic_move_alloc): New function to
handle the MOVE_ALLOC intrinsic with scalar and class arguments.
* trans.c (trans_code): Call 'gfc_conv_intrinsic_move_alloc'.

2010-07-29  Janus Weil  <janus@gcc.gnu.org>

PR fortran/45004
* gfortran.dg/move_alloc_2.f90: New.

From-SVN: r162688

fix PR45121

From-SVN: r162687

dbgcnt.def (eipa_sra): New counter.

2010-07-29  Martin Jambor  <mjambor@suse.cz>

* dbgcnt.def (eipa_sra): New counter.
* tree-sra.c (ipa_early_sra_gate): Also check eipa_sra debug counter.

From-SVN: r162686

Revert change in revision 162652.

2010-07-29  Xinliang David Li  <davidxl@google.com>

PR bootstrap/45119
* tree-ssa-loop-ivopts.c (get_address_cost): Revert change
in revision 162652.

From-SVN: r162683

timevar.def (TV_TREE_STORE_COPY_PROP): Remove.

2010-07-29  Richard Guenther  <rguenther@suse.de>

* timevar.def (TV_TREE_STORE_COPY_PROP): Remove.
(TV_TREE_STORE_CCP): Likewise.
(TV_TREE_REDPHI): Likewise.

From-SVN: r162682

double-int.h (double_int_and_not): New function.

2010-07-28  Richard Guenther  <rguenther@suse.de>

* double-int.h (double_int_and_not): New function.
* combine.c (try_combine): Use it.
* tree-vrp.c (simplify_bit_ops_using_ranges): Likewise.

From-SVN: r162681

re PR rtl-optimization/42575 (arm-eabi-gcc 64-bit multiply weirdness)

PR rtl-optimization/42575
* dce.c (word_dce_process_block): Renamed from byte_dce_process_block.
Argument AU removed.  All callers changed.  Ignore artificial refs.
Use return value of df_word_lr_simulate_defs to decide whether an insn
is necessary.
(fast_dce): Rename arg to WORD_LEVEL.
(run_word_dce): Renamed from rest_of_handle_fast_byte_dce.  No longer
static.
(pass_fast_rtl_byte_dce): Delete.
* dce.h (run_word_dce): Declare.
* df-core.c (df_print_word_regset): Renamed from df_print_byteregset.
All callers changed.  Simplify code to only deal with two-word regs.
* df.h (DF_WORD_LR): Renamed from DF_BYTE_LR.
(DF_WORD_LR_BB_INFO): Renamed from DF_BYTE_LR_BB_INFO.
(DF_WORD_LR_IN): Renamed from DF_BYTE_LR_IN.
(DF_WORD_LR_OUT): Renamed from DF_BYTE_LR_OUT.
(struct df_word_lr_bb_info): Renamed from df_byte_lr_bb_info.
(df_word_lr_mark_ref): Declare.
(df_word_lr_add_problem, df_word_lr_mark_ref, df_word_lr_simulate_defs,
df_word_lr_simulate_uses): Declare or rename from byte variants.
(df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
df_byte_lr_get_regno_len, df_compute_accessed_bytes): Delete
declarations.
(df_word_lr_get_bb_info): Rename from df_byte_lr_get_bb_info.
(enum df_mm): Delete.
* df-byte-scan.c: Delete file.
* df-problems.c (df_word_lr_problem_data): Renamed from
df_byte_lr_problem_data, all members deleted except for
WORD_LR_BITMAPS, which is renamed from BYTE_LR_BITMAPS.  Uses changed.
(df_word_lr_expand_bitmap, df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
df_byte_lr_get_regno_len, df_byte_lr_check_regs,
df_byte_lr_confluence_0): Delete functions.
(df_word_lr_free_bb_info): Renamed from df_byte_lr_free_bb_info; all
callers changed.
(df_word_lr_alloc): Renamed from df_byte_lr_alloc; all callers changed.
Don't initialize members that were deleted, don't try to discover data
about registers.  Ignore hard regs.
(df_word_lr_reset): Renamed from df_byte_lr_reset; all callers changed.
(df_word_lr_mark_ref): New function.
(df_word_lr_bb_local_compute): Renamed from
df_byte_bb_lr_local_compute; all callers changed.  Use
df_word_lr_mark_ref.  Assert that artificial refs don't include
pseudos.  Ignore hard registers.
(df_word_lr_local_compute): Renamed from df_byte_lr_local_compute.
Assert that exit block uses don't contain pseudos.
(df_word_lr_init): Renamed from df_byte_lr_init; all callers changed.
(df_word_lr_confluence_n): Renamed from df_byte_lr_confluence_n; all
callers changed.  Ignore hard regs.
(df_word_lr_transfer_function): Renamed from
df_byte_lr_transfer_function; all callers changed.
(df_word_lr_free): Renamed from df_byte_lr_free; all callers changed.
(df_word_lr_top_dump): Renamed from df_byte_lr_top_dump; all callers
changed.
(df_word_lr_bottom_dump): Renamed from df_byte_lr_bottom_dump; all
callers changed.
(problem_WORD_LR): Renamed from problem_BYTE_LR; uses changed;
confluence operator 0 set to NULL.
(df_word_lr_add_problem): Renamed from df_byte_lr_add_problem; all
callers changed.
(df_word_lr_simulate_defs): Renamed from df_byte_lr_simulate_defs.
Return bool, true if bitmap changed or insn otherwise necessary.
All callers changed.  Simplify using df_word_lr_mark_ref.
(df_word_lr_simulate_uses): Renamed from df_byte_lr_simulate_uses;
all callers changed.  Simplify using df_word_lr_mark_ref.
* lower-subreg.c: Include "dce.h"
(decompose_multiword_subregs): Call run_word_dce if df available.
* Makefile.in (lower-subreg.o): Adjust dependencies.
(df-byte-scan.o): Delete.
* timevar.def (TV_DF_WORD_LR): Renamed from TV_DF_BYTE_LR.

From-SVN: r162678

tree.c (build_vector): Assert that the vector constant has enough elements.

2010-07-29  Richard Guenther  <rguenther@suse.de>

* tree.c (build_vector): Assert that the vector constant
has enough elements.
(build_vector_from_ctor): Pad with trailing zeros.

From-SVN: r162677

re PR tree-optimization/45120 (-fipa-pta causes FAIL: gcc.c-torture/execute/pta-field-2.c execution)

2010-07-29  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/45120
* tree-ssa-structalias.c (get_constraint_for_component_ref):
Handle offset in DEREFs properly.
(get_constraint_for_1): Handle MEM_REF offset properly.

* gcc.dg/ipa/ipa-pta-15.c: New testcase.

From-SVN: r162676

re PR fortran/42051 ([OOP] ICE on array-valued function with CLASS formal argument)

2010-07-29  Mikael Morin  <mikael@gcc.gnu.org>

PR fortran/42051
PR fortran/44064
* class.c (gfc_find_derived_vtab): Accept or discard newly created
symbols before returning.

2010-07-29  Mikael Morin  <mikael@gcc.gnu.org>

PR fortran/42051
PR fortran/44064
* gfortran.dg/pr42051.f03: New testcase.

From-SVN: r162674

re PR tree-optimization/45034 ("safe" conversion from unsigned to signed char gives broken code)

2010-07-29  Richard Guenther  <rguenther@suse.de>

PR middle-end/45034
* convert.c (convert_to_integer): Always use an unsigned
type for narrowed negate and bitwise not.

* gcc.c-torture/execute/pr45034.c: New testcase.

From-SVN: r162673

lang.opt (cpp): Remove Joined and Separate markers.

* lang.opt (cpp): Remove Joined and Separate markers.
(cpp=): New internal option.
* lang-specs.h (F951_CPP_OPTIONS): Generate -cpp= option.
* cpp.c (gfc_cpp_handle_option): Handle OPT_cpp_ instead of
OPT_cpp.

From-SVN: r162672

re PR fortran/45117 (Segfault in resolve_array_bound)

2010-07-29  Daniel Kraft  <d@domob.eu>

PR fortran/45117
* array.c (resolve_array_bound): Fix error message to properly handle
non-variable expressions.

From-SVN: r162670

tree-vect-loop.c (vect_create_epilog_for_reduction): Switch to outer loop when creating reduction epilogue for double reduction...

* tree-vect-loop.c (vect_create_epilog_for_reduction): Switch
to outer loop when creating reduction epilogue for double reduction,
and switch back to the inner loop when updating the phi nodes.
Update uses of outer loop exit phi nodes in double reduction (instead
of uses of reduction).

From-SVN: r162668

re PR fortran/44931 (For INPUT_UNIT, INQUIRE NAME= should not return "stdin")

2010-07-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

PR libfortran/44931
* io/inquire.c (inquire_via_unit): Use ttyname to return actual device
file name for stdin, stdout, and stderr.  If ttyname does not succeed
fall back to default names for these units. Include string.h to allow
using strlen function.
* unix.c: Remove typedef of unix_stream structure, move to unix.h.
* unix.h: Add typedef of unix_stream structure so that it is
accessible to inquire.c.

From-SVN: r162667

Daily bump.

From-SVN: r162666

re PR c++/45096 (g++.dg/cpp0x/auto3.C)

2010-07-28  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/45096
* g++.dg/cpp0x/auto3.C: Tweak dg-error string.

From-SVN: r162657

Add power6 copysign/parity support

From-SVN: r162656

IVOPT performance tuning patch.

IVOPT performance tuning patch. The main problem is a variant of maximal weight
bipartite matching/assignment problem -- i.e., there is an additional global
cost function. The complexity of the algorighm to find the optimial solution
> O(n^2). The existing algorithm in gcc tries to find the solution in 3 stages:
1) Find the initial solution set (dynamic programing style)
2) Extend the solution set
3) Prune the soultion set.

The problem is that in step 1, the initial set tends to be too large so that
the final solution is very likely local optimal.

This patch addresses the problem and sees very large SPEC improvements.

Another area of problem is that ivopts often creates loop invariant expressions, and
such expressions increase register pressure which is not counted. This is addressed
in this patch.

The third main problem is the profile data is not considered in cost computation

The forth problem is that loop invariant comptuation's cost is not properly adjusted.

There are more tuning opportuties, namely:

1) Do not check ivs dependency during ivs set pruning (this improves deallII 8% on core2)
2) Unconditionally consider all important candidates in partial set expansion (in addition
to the extended solutino based on selected candidates)
3) revisit the two stage initial set computation.

From-SVN: r162653

i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.

2010-07-28  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.
        * config/i386/i386.c (ix86_profile_before_prologue): New.
        (override_options): Add special handling for -mfentry.
        (ix86_function_regparm): Likewise.
        (ix86_function_sseregparm): Likewise.
        (ix86_frame_pointer_required): Likewise.
        (ix86_expand_prologue): Check for ms_hook_prologue.
        (x86_function_profiler): Adjust mcount output.
        (TARGET_PROFILE_BEFORE_PROLOGUE): Define hook.
        * config/i386/i386.opt (mfentry): New.
        * doc/invoke.texi (mfentry): Add documentation.
        * doc/tm.texi: Regenerated..
        * doc/tm.texi.in (TARGET_PROFILE_BEFORE_PROLOGUE): New.
        * final.c (final_start_function): Replace macro
        PROFILE_BEFORE_PROLOGUE by target hook.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * target.def (profile_before_prologue): New hook.
        * targhooks.c (default_profile_before_prologue): New.
        * targhooks.h (default_profile_before_prologue): New.

From-SVN: r162651

decl.c (free_value): Also free repeat field.

2010-07-28  Mikael Morin  <mikael@gcc.gnu.org>

* decl.c (free_value): Also free repeat field.
* data.c (gfc_assign_data_value): Always free offset before returning.

From-SVN: r162649

gfortran.h (gfc_build_intrinsic_call): New method.

2010-07-28  Daniel Kraft  <d@domob.eu>

* gfortran.h (gfc_build_intrinsic_call): New method.
* expr.c (gfc_build_intrinsic_call): New method.
* simplify.c (range_check): Ignore non-constant value.
(simplify_bound_dim): Handle non-variable expressions and
fix memory leak with non-free'ed expression.
(simplify_bound): Handle non-variable expressions.
(gfc_simplify_shape): Ditto.
(gfc_simplify_size): Ditto, but only in certain cases possible.

2010-07-28  Daniel Kraft  <d@domob.eu>

* gfortran.dg/bound_8.f90: New test.

From-SVN: r162648

re PR debug/45105 (-fcompare-debug failure at -Os)

PR debug/45105
* gcse.c (hoist_code): Use FOR_BB_INSNS macro.

* gcc.dg/pr45105.c: New test.

From-SVN: r162647

re PR debug/45103 (DW_OP_reg* has too large valid range for noreturn funcs)

PR debug/45103
* dwarf2out.c (dwarf2out_var_location): Always consider
NOTE_DURING_CALL_P notes, even when not followed by real instructions.

From-SVN: r162646

re PR rtl-optimization/45107 (ICE: in insert_expr_in_table, at gcse.c:1213 with -Os -gcse-las (another one))

PR rtl-optimization/45107
* gcse.c (hash_scan_set): Use max_distance for gcse-las.

PR rtl-optimization/45107
* gcc.dg/pr45107.c: New test.

From-SVN: r162645

tree-ssa-ccp.c: Remove comment regarding STORE-CCP.

2010-07-28  Richard Guenther  <rguenther@suse.de>

* tree-ssa-ccp.c: Remove comment regarding STORE-CCP.
(set_lattice_value): Do not query an old default value.
(get_value_for_expr): New function.  Properly canonicalize
float values.
(ccp_visit_phi_node): Use it.

From-SVN: r162638

arm.c (arm_pcs_default): Remove static.

* config/arm/arm.c (arm_pcs_default): Remove static.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
__ARM_PCS_VFP to indicate soft/hard-float calling convention.
(arm_pcs_default): Declare.

From-SVN: r162637

* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r162636

part 3 of darwin64 PPC ABI changes

* config/rs6000/rs6000.c (rs6000_override_options):
Use TARGET_MACHO inline, move darwin_one_byte_bool from here...
... to darwin_rs6000_override_options.
(rs6000_return_in_memory): Update preceding comment for darwin
64 bit ABI.  Use TARGET_MACHO inline.
(rs6000_darwin64_struct_check_p): New.
(function_arg_advance): Use rs6000_darwin64_struct_check_p.
(function_arg): Likewise.
(rs6000_arg_partial_bytes): Likewise.
(rs6000_function_value): Likewise.

From-SVN: r162635

* lto-opts.c (lto_file_read_options): Add loop over all inputs.

From-SVN: r162633

* Make-lang.in (lto.o): Add dependency to splay-tree.h

From-SVN: r162632

Add Changelog too

From-SVN: r162631

lto-plugin.c (translate): Remove debug fprintf.

        * lto-plugin.c (translate): Remove debug fprintf.

From-SVN: r162630

re PR target/44903 (FAIL: gcc.dg/pr35258.c execution test)

2010-07-28  Richard Guenther  <rguenther@suse.de>

PR middle-end/44903
* builtins.c (fold_builtin_memory_op): On STRICT_ALIGNMENT
targets try harder to not generate unaligned accesses.

From-SVN: r162624

re PR rtl-optimization/45101 (ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las)

PR rtl-optimization/45101
* gcc.dg/pr45101.c: New test.

From-SVN: r162623

re PR rtl-optimization/45101 (ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las)

PR rtl-optimization/45101
* gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
for gcse-las.

From-SVN: r162622

re PR tree-optimization/44885 (miscompilation of gnat.dg/aliasing3.adb after mem-ref2)

PR tree-optimization/44885
* tree-sra.c (find_param_candidates): Skip pointer types to arrays
with non-aliased component.

From-SVN: r162621

darwin-driver.c (SWITCH_TAKES_ARG, [...]): Remove.

* config/darwin-driver.c (SWITCH_TAKES_ARG,
WORD_SWITCH_TAKES_ARG): Remove.
* cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
* defaults.h (DEFAULT_SWITCH_TAKES_ARG,
DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
(SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
definitions from gcc.c.
* gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
defaults.h.
* gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
Move to defaults.h.
* opts-common.c: Include tm.h.
(decode_cmdline_option): Use SWITCH_TAKES_ARG and
WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
Handle more than one argument.  Set canonical_option_num_elements.
(decode_cmdline_options_to_array): Set
canonical_option_num_elements and trailing elements of
canonical_option.
* opts.h (struct cl_decoded_option): Allow four elements in
canonical_option.  Add field canonical_option_num_elements.
* Makefile.in (opts-common.o): Update dependencies.

ada:
* gcc-interface/misc.c (gnat_init_options): Ignore erroneous
options.  Check canonical_option_num_elements on options copied.

fortran:
* gfortranspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
Remove.

From-SVN: r162620

re PR fortran/45077 (ICE with -fwhole-file in fold_convert_loc, at fold-const.c:2021)

2010-07-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45077
        * trans-types.c (gfc_get_derived_type): Fix DT declaration
        from modules for whole-file mode.

2010-07-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45077
        * gfortran.dg/whole_file_24.f90: New.

From-SVN: r162619

re PR middle-end/44790 (Bootstrap fails after MEM-REF merge)

PR middle-end/44790
PR middle-end/44993
* expr.c (expand_expr_real_1) <MEM_REF>: Revert latest change.  Make
sure the base has address_mode before adding the offset.

From-SVN: r162618

Fix typos

From-SVN: r162617

Fix to expose more LIM when creating mem_ref

From-SVN: r162616

Daily bump.

From-SVN: r162615

pt.c (tsubst_expr): Handle getting an AGGR_INIT_EXPR from build_value_init.

* pt.c (tsubst_expr) [DECL_EXPR]: Handle getting an AGGR_INIT_EXPR
from build_value_init.
* init.c (build_value_init_noctor): Give error for unknown array
bound.

From-SVN: r162603

rtl.def (DEBUG_INSN, [...]): Swap operands 4 and 5.

* rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
4 and 5.
* rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
* gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
CODE_LABELs and NOTEs.
* caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
* combine.c (try_combine): Likewise.
* ira.c (setup_prohibited_mode_move_regs): Likewise.
* print-rtl.c (print_rtx): Start REG_NOTES on a new line.

From-SVN: r162602

coretypes.h (struct cl_option_handlers): Declare.

* coretypes.h (struct cl_option_handlers): Declare.
* hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
* hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
* langhooks-def.h (lhd_handle_option): Declare.
(LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
* langhooks.c (lhd_handle_option): New.
* langhooks.h (struct lang_hooks): Update prototype and return
value type of handle_option hook.
* optc-gen.awk: Generate target_flags_explicit definition for the
driver.
* opts-common.c: Include diagnostic.h.
(handle_option): Move from opts.c.  Update prototype and return
value type.  Use handlers structure.
(read_cmdline_option): Move from opts.c.  Update prototype.  Use
handlers structure.
(set_option): Move from opts.c.
* opts.c (common_handle_option): Update prototype and return value
type.  Update calls to handle_option and enable_warning_as_error.
(unknown_option_callback, post_handling_callback,
lang_handle_option, target_handle_option): New.
(handle_option, read_cmdline_option): Move to opts-common.c.
(read_cmdline_options): Update prototype.  Update call to
read_cmdline_option.
(decode_options): Initialize and use handlers structure.
(set_option): Move to opts-common.c.
(enable_warning_as_error): Update prototype.  Update call to
handle_option.
* opts.h (struct cl_option_handler_func, struct
cl_option_handlers): New.
(handle_option, enable_warning_as_error): Update prototypes.
(read_cmdline_option): Declare.
* Makefile.in (opts-common.o): Update dependencies.

ada:
* gcc-interface/misc.c (gnat_handle_option): Update prototype and
return value type.  Don't check for missing arguments here.

c-family:
* c-common.h (c_common_handle_option): Update prototype and return
value type.
* c-opts.c (c_common_handle_option): Update prototype and return
value type.  Update calls to handle_option and
enable_warning_as_error.

fortran:
* gfortran.h (gfc_handle_option): Update prototype and return
value type.
* options.c (gfc_handle_option): Update prototype and return value
type.

java:
* lang.c (java_handle_option): Update prototype and return value
type.

lto:
* lto-lang.c (lto_handle_option): Update prototype and return
value type.  Remove duplicate assignment to result.

From-SVN: r162601

re PR rtl-optimization/40956 (Constants are never candidates for hoisting)

PR rtl-optimization/40956
PR target/42495
PR middle-end/42574
* gcc.target/arm/pr40956.c, gcc.target/arm/pr42495.c,
* gcc.target/arm/pr42574.c: Add tests.

From-SVN: r162600

arm.c (params.h): Include.

* config/arm/arm.c (params.h): Include.
(arm_override_options): Tune gcse-unrestricted-cost.
* config/arm/t-arm (arm.o): Define dependencies.

From-SVN: r162598

re PR target/42495 (redundant memory load)

PR target/42495
PR middle-end/42574
* basic-block.h (get_dominated_to_depth): Declare.
* dominance.c (get_dominated_to_depth): New function, use
get_all_dominated_blocks as a base.
(get_all_dominated_blocks): Use get_dominated_to_depth.

* gcse.c (occr_t, VEC (occr_t, heap)): Define.
(hoist_exprs): Remove.
(alloc_code_hoist_mem, free_code_hoist_mem): Update.
(compute_code_hoist_vbeinout): Add debug print outs.
(hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.

* params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
quadratic behavior.
* params.h (MAX_HOIST_DEPTH): New macro.
* doc/invoke.texi (max-hoist-depth): Document.

From-SVN: r162597

re PR rtl-optimization/40956 (Constants are never candidates for hoisting)

PR rtl-optimization/40956
* config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
constants.

From-SVN: r162596

re PR target/42495 (redundant memory load)

PR target/42495
PR middle-end/42574
* config/arm/arm.c (legitimize_pic_address): Use
gen_calculate_pic_address pattern to emit calculation of PIC address.
(will_be_in_index_register): New function.
(arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
(thumb1_legitimate_address_p): Use it provided !strict_p.
* config/arm/arm.md (calculate_pic_address): New expand and split.

From-SVN: r162595

re PR target/42495 (redundant memory load)

PR target/42495
PR middle-end/42574
* config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
* config/arm/arm.md (define_split "J", define_split "K"): Make
IRA/reload friendly.

From-SVN: r162594

gcse.c (insert_insn_end_basic_block): Update signature, remove unused checks.

* gcse.c (insert_insn_end_basic_block): Update signature, remove
unused checks.
(pre_edge_insert, hoist_code): Update.

From-SVN: r162593

re PR target/42495 (redundant memory load)

PR target/42495
PR middle-end/42574
* gcse.c (hoist_expr_reaches_here_p): Remove excessive check.

From-SVN: r162592

* gcse.c (hoist_code): Generate new pseudo for every new set insn.

From-SVN: r162591

re PR rtl-optimization/40956 (Constants are never candidates for hoisting)

PR rtl-optimization/40956
PR target/42495
PR middle-end/42574
* gcse.c (compute_code_hoist_vbeinout): Consider more expressions
for hoisting.
(hoist_code): Count occurences in current block too.

From-SVN: r162590

gcse.c (struct expr:max_distance): New field.

* gcse.c (struct expr:max_distance): New field.
(doing_code_hoisting_p): New static variable.
(want_to_gcse_p): Change signature.  Allow constrained hoisting of
simple expressions, don't change behavior for PRE.  Set max_distance.
(insert_expr_in_table): Set new max_distance field.
(hash_scan_set): Update.
(hoist_expr_reaches_here_p): Stop search after max_distance
instructions.
(find_occr_in_bb): New static function.  Use it in ...
(hoist_code): Calculate sizes of basic block before any changes are
done.  Pass max_distance to hoist_expr_reaches_here_p.
(one_code_hoisting_pass): Set doing_code_hoisting_p.

* params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
(PARAM_GCSE_UNRESTRICTED_COST): New parameters.
* params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
macros.
* doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
Document.

From-SVN: r162589

gcse.c (compute_transpout, transpout): Remove, move logic to prune_expressions.

* gcse.c (compute_transpout, transpout): Remove, move logic
to prune_expressions.
(compute_pre_data): Move pruning of trapping expressions ...
(prune_expressions): ... here.  New static function.
(compute_code_hoist_data): Use it.
(alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.

Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>
From-SVN: r162588

adjusting iv update stmt position to enable inst combining. Regression tested on x86-64/linux

From-SVN: r162587

dbgcnt.def (hoist_insn): New debug counter.

* dbgcnt.def (hoist_insn): New debug counter.
* gcse.c (hoist_code): Use it.

From-SVN: r162586

Multiple exit loop handling in ivopts. Regression tested on x86-64/linux

From-SVN: r162585

* Fix extra brackets in my previous commit.

From-SVN: r162584

gcc-dg.exp (cleanup-coverage-files): Remove options from test name.

* lib/gcc-dg.exp (cleanup-coverage-files): Remove options from
test name.
(cleanup-repo-files): Ditto.
(cleanup-saved-temps): Ditto.

From-SVN: r162583

re PR target/44542 (expand_one_stack_var_at may set DECL_ALIGN to a too high value)

PR target/44542
* cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
instead of MAX_SUPPORTED_STACK_ALIGNMENT.
(expand_one_var): Don't consider DECL_ALIGN for variables for
which expand_one_stack_var_at has been already called.

From-SVN: r162582

re PR testsuite/44701 (PR44492 fix broke gcc.target/powerpc/asm-es-2.c)

PR testsuite/44701
* doc/md.texi: Clarify m and es constraints on PowerPC and m and S
constraints on IA-64.

* gcc.target/powerpc/asm-es-2.c (f2): Add <> constraints.

From-SVN: r162581

acinclude.m4 ([GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS]): Fix messages.

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

* acinclude.m4 ([GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS]): Fix
messages.
* configure: Regenerate.

From-SVN: r162580

re PR target/44290 (__naked attribute is broken)

PR target/44290
Revert
2010-07-23  Jie Zhang  <jie@codesourcery.com>
* tree-sra.c (ipa_sra_preliminary_function_checks): Return
false if ! tree_versionable_function_p.

From-SVN: r162579

[multiple changes]

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

* include/ext/vstring_util.h: Include bits/range_access.h.
* testsuite/ext/vstring/range_access.cc: New test.

2010-07-27  Ed Smith-Rowland  <3dw4rd@verizon.net>

* include/bits/range_access.h: New.
* include/Makefile.in: Add bits/range_access.h.
* include/Makefile.am: Regenerate.
* include/std/array: Include bits/range_access.h.
* include/std/deque: Ditto.
* include/std/forward_list: Ditto.
* include/std/iterator: Ditto.
* include/std/list: Ditto.
* include/std/map: Ditto.
* include/std/regex: Ditto.
* include/std/set: Ditto.
* include/std/string: Ditto.
* include/std/unordered_map: Ditto.
* include/std/unordered_set: Ditto.
* include/std/vector: Ditto.
* include/std/valarray: Add begin() and end().
* libsupc++/initializer_list: Ditto.
* include/tr1_impl/utility: Add begin() and end().
* include/std/tuple: Ditto.
* testsuite/24_iterators/headers/iterator/range_access.cc: New test.
* testsuite/24_iterators/range_access.cc: Ditto.
* testsuite/28_regex/range_access.cc: Ditto.
* testsuite/18_support/initializer_list/range_access.cc: Ditto.
* testsuite/21_strings/basic_string/range_access.cc: Ditto.
* testsuite/26_numerics/valarray/range_access.cc: Ditto.
* testsuite/23_containers/unordered_map/range_access.cc: Ditto.
* testsuite/23_containers/multimap/range_access.cc: Ditto.
* testsuite/23_containers/set/range_access.cc: Ditto.
* testsuite/23_containers/unordered_multimap/range_access.cc: Ditto.
* testsuite/23_containers/forward_list/range_access.cc: Ditto.
* testsuite/23_containers/unordered_set/range_access.cc: Ditto.
* testsuite/23_containers/vector/range_access.cc: Ditto.
* testsuite/23_containers/deque/range_access.cc: Ditto.
* testsuite/23_containers/multiset/range_access.cc: Ditto.
* testsuite/23_containers/list/range_access.cc: Ditto.
* testsuite/23_containers/unordered_multiset/range_access.cc: Ditto.
* testsuite/23_containers/map/range_access.cc: Ditto.
* testsuite/23_containers/array/range_access.cc: Ditto.
* testsuite/20_util/tuple/range_access.cc: Ditto.
* testsuite/20_util/pair/range_access.cc: Ditto.

From-SVN: r162578

dwarf2out.c (add_data_member_location_attribute): Use add_AT_unsigned instead of add_AT_int if offset is non-negative.

* dwarf2out.c (add_data_member_location_attribute): Use
add_AT_unsigned instead of add_AT_int if offset is non-negative.

From-SVN: r162576

re PR c/45079 (function names in error message (�c_maybe_const_expr� not supported by 'pp_c_expression'))

PR c/45079
* c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.

* gcc.dg/pr45079.c: New test.

From-SVN: r162575

postreload.c (try_replace_in_use): New static function.

* postreload.c (try_replace_in_use): New static function.
(reload_combine_recognize_const_pattern): Use it here.  Allow
substituting into a final add insn, and substituting into a memory
reference in an insn that sets the reg.

From-SVN: r162573

common.opt (o): Add MissingArgError.

* common.opt (o): Add MissingArgError.
* doc/options.texi (MissingArgError): Document.
* hooks.c (hook_bool_constcharptr_size_t_false): Remove.
* hooks.h (hook_bool_constcharptr_size_t_false): Remove.
* langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
(LANG_HOOKS_INITIALIZER): Remove missing_argument hook
initializer.
* langhooks.h (struct lang_hooks): Remove missing_argument.
* optc-gen.awk: Handle MissingArgError and output new structure
field initializers.
* opts.c (read_cmdline_option): Use missing_argument_error field
instead of missing_argument langhook.
* opts.h (struct cl_option): Add missing_argument_error field.
* system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.

c-family:
* c-common.h (c_common_missing_argument): Remove.
* c-opts.c (c_common_missing_argument): Remove.
* c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
idirafter, imacros, include, isysroot, isystem, iquote): Add
MissingArgError.
* c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

cp:
* cp-objcp-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

po:
* exgettext: Also extract MissingArgError texts from .opt files.

From-SVN: r162571

add missing changelog

From-SVN: r162569

re PR target/29090 (gcc.dg-struct-layout-1 failures on Darwin PPC at -m64)

PR target/29090
* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
Darwin64 ABI, for zero-sized objects.

From-SVN: r162568

re PR target/35491 (wrong ABI for some struct passing with vector code)

PR target/35491
PR target/29090

Merge from Apple local 4.2.1.
2005-05-11  Stan Shebs  <shebs@apple.com>
Fix 64-bit varargs for Darwin (Radar 4028089).
* config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
* config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
Add argument, add case for 8-byte register half-filled with a float.
(rs6000_darwin64_record_arg_advance_recurse): Detect and handle
single-precision floats specially.

From-SVN: r162567

re PR tree-optimization/44152 (ICE on compiling xshow.f of xplor-nih with -O3 -ffast-math -fwhopr)

PR tree-optimization/44152
* tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
complex numbers for further check.
(vect_supported_load_permutation_p): Check nodes with
complex numbers.

From-SVN: r162564

re-enable tls and lto tests for ObjC/C++

PR ObjC/44140
* obj-c++.dg/torture/tls/thr-init-1.mm: Re-enable test.
* obj-c++.dg/torture/tls/thr-init-2.mm: Ditto.
* obj-c++.dg/torture/tls/thr-init-3.mm: Ditto.
* obj-c++.dg/torture/trivial.mm: Ditto.
* objc.dg/torture/tls/thr-init-2.m: Ditto.
* objc.dg/torture/tls/thr-init-3.m: Ditto.
* objc.dg/torture/tls/thr-init.m: Ditto.
* objc.dg/torture/trivial.m: Ditto.

From-SVN: r162563

acinclude.m4 ([GLIBCXX_CHECK_STDIO_MACROS]): Remove.

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>
    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

* acinclude.m4 ([GLIBCXX_CHECK_STDIO_MACROS]): Remove.
([GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS]): Add, actually
compute the constants via AC_COMPUTE_INT.
* configure.ac: Call the latter.
* include/bits/ios_base.h: Adjust.
* include/bits/char_traits.h: Likewise.
* testsuite/27_io/ios_base/cons/assign_neg.cc: Adjust dg-error
line number.
* testsuite/27_io/ios_base/cons/copy_neg.cc: Likewise.
* config.h.in: Regenerate.
* configure: Likewise.

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

* config/io/c_io_stdio.h: Do not include <cstddef>.

Co-Authored-By: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
From-SVN: r162562

char4_iunit_1.f03: Add ieee options.

* gfortran.dg/char4_iunit_1.f03: Add ieee options.
Skip on spu-*-* targets.

From-SVN: r162561

langhooks-def.h (lhd_init_options, [...]): New.

* langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
(LANG_HOOKS_INIT_OPTIONS): Update default definition.
(LANG_HOOKS_INITIALIZER): Add new hooks.
* langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
* langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
and complain_wrong_lang_p.  Update init_options prototype.
* c-objc-common.c (c_initialize_diagnostics): First call
c_common_initialize_diagnostics.
* c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
* coretypes.h (struct cl_option, struct cl_decoded_option):
Declare.
* hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
(hook_uint_void_0): New.
* hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
(hook_uint_void_0): New.
* opts-common.c (decode_cmdline_option,
decode_cmdline_options_to_array): Also fill in canonical_option
field.
* opts.c (complain_wrong_lang): Use langhook to determine whether
to complain instead of special-casing LTO.
(decode_options): Separate lang_mask determination with
option_lang_mask hook from call of init_options hook.
* opts.h (struct cl_decoded_option): Add canonical_option.

ada:
* gcc-interface/misc.c (gnat_option_lang_mask): New.
(gnat_init_options): Update prototype.  Reconstruct argv array
from decoded options.

c-family:
* c-common.h (c_common_option_lang_mask,
c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
New.
(c_common_init_options): Update prototype.
* c-opts.c (c_common_option_lang_mask): New.
(c_common_initialize_diagnostics): Split out of
c_common_init_options.
(accept_all_c_family_options, c_common_complain_wrong_lang_p):
New.
(c_common_init_options): Update prototype.  Use decoded options in
search for -lang-asm.

cp:
* cp-objcp-common.c (cxx_initialize_diagnostics): First call
c_common_initialize_diagnostics.
* cp-objcp-common.h (LANG_HOOKS_OPTION_LANG_MASK,
LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.

fortran:
* cpp.c (gfc_cpp_init_options): Update prototype.  Use number of
decoded options in allocating deferred_opt.
* cpp.h (gfc_cpp_init_options): Update prototype.
* f95-lang.c (LANG_HOOKS_OPTION_LANG_MASK): Define.
* gfortran.h (gfc_option_lang_mask): New.
(gfc_init_options): Update prototype.
* options.c (gfc_option_lang_mask): New.
(gfc_init_options): Update prototype.  Pass new arguments to
gfc_cpp_init_options.

java:
* lang.c (java_option_lang_mask): New.
(java_init_options): Update prototype.
(LANG_HOOKS_OPTION_LANG_MASK): Define.

lto:
* lto-lang.c (lto_option_lang_mask, lto_complain_wrong_lang_p):
New.
(lto_init_options): Update prototype.
(LANG_HOOKS_OPTION_LANG_MASK, LANG_HOOKS_COMPLAIN_WRONG_LANG_P):
Define.

From-SVN: r162560

re PR tree-optimization/45083 (strange warning text from gcc)

PR tree-optimization/45083
* tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.

* gcc.dg/pr45083.c: New test.

From-SVN: r162559

re PR rtl-optimization/45051 (gcc.c-torture/execute/builtins/abs-2.c and abs-3.c due to "track subwords of DImode allocnos")

PR rtl-optimization/45051
* reload1.c (delete_output_reload): Use refers_to_regno_p rather
than reg_mentioned_p.

From-SVN: r162558

re PR fortran/40873 (-fwhole-file -fwhole-program: Wrong decls cause too much to be optimized away)

2010-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40873
        * trans-decl.c (gfc_get_extern_function_decl): Fix generation
        for functions which are later in the same file.
        (gfc_create_function_decl, build_function_decl,
        build_entry_thunks): Add global argument.
        * trans.c (gfc_generate_module_code): Update
        gfc_create_function_decl call.
        * trans.h (gfc_create_function_decl): Update prototype.
        * resolve.c (resolve_global_procedure): Also resolve for
        IFSRC_IFBODY.

2010-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40873
        * gfortran.dg/whole_file_22.f90: New test.
        * gfortran.dg/whole_file_23.f90: New test.

From-SVN: r162557

Daily bump.

From-SVN: r162554

postreload.c (reload_combine_recognize_const_pattern): Move test for limiting the insn movement to the right scope.

* postreload.c (reload_combine_recognize_const_pattern): Move test
for limiting the insn movement to the right scope.

From-SVN: r162550

re PR target/44132 (emutls is broken under a range of circumstances.)

PR target/44132
Emulated TLS rewrite.

From-SVN: r162549

14220.cc: XFAIL on Solaris 9/x86, 32-bit Solaris 10/x86 and 64-bit Solaris 10/SPARC.

* testsuite/22_locale/num_put/put/char/14220.cc: XFAIL on Solaris
9/x86, 32-bit Solaris 10/x86 and 64-bit Solaris 10/SPARC.
* testsuite/22_locale/num_put/put/wchar_t/14220.cc: XFAIL on
Solaris 9/x86 and 32-bit Solaris 10/x86.

* testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
Only XFAIL on Solaris 8 and 9.
* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc:
Likewise.

* testsuite/ext/enc_filebuf/char/13598.cc: XFAIL before Solaris 11.

From-SVN: r162545

lto-streamer.h (struct lto_file_decl_data): Mark resolutions with GTY((skip)).

* lto-streamer.h (struct lto_file_decl_data): Mark resolutions with
GTY((skip)).

From-SVN: r162544

target.def (output_source_filename): New hook.

* target.def (output_source_filename): New hook.
* doc/tm.texi.in (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Document.
* doc/tm.texi: Regenerate.
* toplev.c (output_file_directive) Remove function.
* toplev.h (output_file_directive) Remove.
* output.h (default_asm_output_source_filename,
output_file_directive): Declare.
* varasm.h (default_asm_output_source_filename,
output_file_directive): New functions.

* config/mips/mips.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
* config/mips/mips-protos.h (mips_output_filename): Remove.
* config/mips/mips.c (mips_output_filename): Make Static.
(TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.

From-SVN: r162542

pr44900.C: Use dg-require-effective-target sse_runtime.

* g++.dg/torture/pr44900.C: Use dg-require-effective-target
sse_runtime.
* gcc.dg/attr-weak-hidden-1a.c: Use dg-require-weak,
dg-require-visibility.

From-SVN: r162541

libgomp.texi: Add function keyword to a couple of Fortran interfaces...

* libgomp.texi: Add function keyword to a couple of Fortran
interfaces, use integer instead of int for Fortran.

From-SVN: r162540

re PR tree-optimization/43784 (-Os -fkeep-inline-functions causes FAIL: gcc.c-torture/execute/builtins/pr22237.c execution)

2010-07-26  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/43784
* tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
if the destination is used by the call.

* gcc.c-torture/execute/pr43784.c: New testcase.
* g++.dg/torture/pr43784.C: Likewise.

From-SVN: r162539

libgomp.texi: Fix spelling and pasto problems throughout.

        * libgomp.texi: Fix spelling and pasto problems throughout.
        Adjust prototypes to match code.

From-SVN: r162538

re PR tree-optimization/45073 (gfortran.dg/assumed_charlen_function_3.f90 ICEs with -fprofile-generate)

2010-07-26  Richard Guenther  <rguenther@suse.de>

PR middle-end/45073
* gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize
SSA updating on being in SSA form.

From-SVN: r162537

re PR tree-optimization/45056 (ICE: in refs_may_alias_p_1, at tree-ssa-alias.c:1023)

2010-07-26  Richard Guenther  <rguenther@suse.de>

PR middle-end/45056
* gimple-fold.c (fold_stmt_1): Also fold references in
debug stmts.

* g++.dg/pr45056.C: New testcase.

From-SVN: r162536