PR rtl-optimization/44374
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
* df-core.c (df_set_bb_dirty): Set it.
* ifcvt.c (find_memory): Remove function.
(dead_or_predicable): Use can_move_insns_across.
* df.h (can_move_insns_across): Declare function.
* cfgcleanup.c (block_was_dirty): New static variable.
(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
than df_get_bb_dirty.
(try_head_merge_bb): New static function.
(try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
is set.
* df-problems.c: Include "target.h"
(df_simulate_find_uses): New static function.
(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
(find_memory, find_memory_store): New static functions.
(can_move_insns_across): New function.
* Makefile.in (df-problems.o): Update dependencies.
testsuite/
PR rtl-optimization/44374
* gcc.target/arm/headmerge-1.c: New test.
* gcc.target/arm/headmerge-2.c: New test.
* gcc.target/i386/headmerge-1.c: New test.
* gcc.target/i386/headmerge-2.c: New test.
From-SVN: r164552
2010-09-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/45710
* io/write.c (namelist_write_newline): Pad character array internal
unit records with spaces.
From-SVN: r164543
PR java/44095
* config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
is specified and the suffix of the file isn't ".c".
* config/sparc/linux64.h (ASM_SPEC): Likewise.
From-SVN: r164534
contrib/:
* texi2pod.pl: Replace @@ before @{ and @}, for @samp{@@}.
Also escape characters with grave accents, to be fixed ...
(unmunge): ... here.
(postprocess): Also handle @/ and @acronym{...}.
gcc/:
* doc/contrib.texi (Contributors): Allow URL to wrap in PDF
output.
* doc/cppopts.texi: Fix markup of index entry.
* doc/extend.texi (Constructing Calls): Fix markup of
__builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
(Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
(Vague Linkage, C++ Attributes): Fix markup of index entries and
keywords.
* doc/invoke.texi (Option Summary): Fix spacing. Rewrap to
avoid long lines.
(C Dialect Options, C++ Dialect Options, Warning Options)
(Debugging Options, Spec Files, Darwin Options)
(i386 and x86-64 Options, MIPS Options)
(RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
index entries, avoid abbreviations, allow URLs to wrap, avoid
long lines, avoid overlong pages from long @itemx lists.
* doc/objc.texi (Garbage Collection): Allow URLs to wrap.
* doc/standards.texi (Standards): Likewise.
* doc/trouble.texi (Incompatibilities): Fix markup of index
entry.
gcc/fortran/:
* gfortran.texi (Argument list functions): Allow URL to wrap.
* intrinsic.texi (GETGID, GETPID, GETUID, IMAGE_INDEX)
(IS_IOSTAT_END, IS_IOSTAT_EOR, NUM_IMAGES, THIS_IMAGE)
(ISO_FORTRAN_ENV): Fix markup in index entries, and a couple of
code markups in the text.
* invoke.texi (Fortran Dialect Options)
(Error and Warning Options, Directory Options, Code Gen Options):
Likewise. Remove @code inside @smallexample.
From-SVN: r164533
2010-09-22 David Krauss <potswa@mac.com>
PR libstdc++/45628
* include/bits/fstream.tcc (basic_filebuf::underflow): Add state
transition to avoid modality requiring seekoff(0,ios::cur).
(basic_filebuf::pbackfail): Likewise.
(basic_filebuf::overflow): Likewise.
(basic_filebuf::_M_seek): Avoid minor unnecessary conversion.
(basic_filebuf::seekoff): Remove code to _M_get_ext_pos; make
(0, ios::cur) a special case preserving buffer contents.
(basic_filebuf::_M_get_ext_pos): New function to obtain status
about codecvt extern_t buffer for overflow and seekoff.
* include/std/fstream (basic_filebuf::_M_get_ext_pos): Likewise.
* config/abi/pre/gnu.ver: Export new symbols.
* testsuite/27_io/basic_filebuf/seekoff/char/45628-1.cc: New,
verifies that seekoff(0, ios::cur) preserves buffers.
* testsuite/27_io/basic_filebuf/seekoff/char/45628-2.cc: Likewise.
for codecvt case. More lenient as it may still flush put area.
* testsuite/27_io/basic_filebuf/seekoff/char/4.cc: Modify to
check that seekoff is not required between read and write.
* testsuite/27_io/basic_filebuf/seekoff/wchar_t/4.cc: Likewise.
* testsuite/27_io/basic_filebuf/sync/wchar_t/1.cc: Remove.
* testsuite/27_io/basic_filebuf/sync/wchar_t/1.cc: Likewise.
* testsuite/util/testsuite_character.h (codecvt::do_length): Comply
with 22.2.1.5.2/10 "Returns ... the LARGEST value in the range..."
From-SVN: r164529
2010-09-22 Marcus Shawcroft <marcus.shawcroft@arm.com>
* lib/scanasm.exp(dg-function-on-line): Permit .fnstart to appear in
the regexp pattern between the expected label and location string.
From-SVN: r164527
2010-09-22 Richard Guenther <rguenther@suse.de>
* tree-inline.c (optimize_inline_calls): Schedule cleanups
only if we inlined something. Block compaction and conditional
folding are done by cfg cleanup. Schedule update-address-taken.
(tree_function_versioning): Remove redundant call to number_blocks.
* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
folding is done by cfg cleanup.
* passes.c (init_optimization_passes): Remove update-address-taken
pass after IPA inlining.
From-SVN: r164525
2010-09-22 Tristan Gingold <gingold@adacore.com>
* cplus-dem.c (ada_demangle): Add comments.
Handle stream and controlled type operations.
Decoding of some uppercase letters moved before separators.
* testsuite/demangle-expected: Add tests.
From-SVN: r164518
2010-09-22 Martin Jambor <mjambor@suse.cz>
* gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
builtins if it is true.
(fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
parameter.
From-SVN: r164517
2010-09-22 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (struct access): New field grp_no_warning.
(create_access_replacement): Set TREE_NO_WARNING according to
grp_no_warning.
(create_artificial_child_access): Use build_ref_for_model and set
grp_no_warning if build_user_friendly_ref_for_offset fails.
(propagate_subaccesses_across_link): Likewise.
From-SVN: r164515
2010-09-21 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/45723
* io/open.c (new_unit): On POSITION_APPEND don't seek if file length is
zero.
From-SVN: r164507
PR objc/23710
In gcc/:
* c-family/c-common.h (objc_start_method_definition): Return bool
instead of void.
* c-family/stub-objc.c (objc_start_method_definition): Return bool
instead of void.
* c-parser.c (c_parser_objc_method_definition): Check the return
value of objc_start_method_definition and if false is returned,
parse the method definition but emit no code.
In gcc/objc/:
* objc-act.c (objc_start_method_definition): Do not abort upon a
'method definition not in @implementation context' error. Return
'false' instead.
In gcc/testsuite/:
* objc.dg/invalid-method-1.m: New.
From-SVN: r164497
2010-09-21 Mikael Morin <mikael@gcc.gnu.org>
PR fortran/45648
* trans-array.c (gfc_conv_expr_descriptor): Calculate dim out of n and
info->dim.
PR fortran/45648
* trans-array.c (gfc_conv_expr_descriptor): Unset full if we are
accessing dimensions in reversed order.
PR fortran/45648
* trans-array.c (gfc_conv_expr_descriptor): Special case noncopying
intrinsic function call.
* trans-array.c (gfc_conv_expr_descriptor): Remove ss lookup.
Update asserts accordingly.
PR fortran/45648
* trans.h (gfc_se): New field force_tmp.
* trans-expr.c (gfc_conv_procedure_call): Check for argument alias
and set parmse.force_tmp if some alias is found.
* trans-array.c (gfc_conv_expr_descriptor): Force a temporary creation
if se->force_tmp is set.
2010-09-21 Mikael Morin <mikael@gcc.gnu.org>
PR fortran/45648
* gfortran.dg/inline_transpose_1.f90: Update temporary's locations
and counts. Add non-elemental function call check.
PR fortran/45648
* gfortran.dg/inline_transpose_1.f90: Add function calls with aliasing
arguments checks. Update temporary counts.
* gfortran.dg/transpose_optimization_1.f90: New.
From-SVN: r164494
PR objc/25965
In gcc/objc/:
* objc-act.c (objc_get_interface_ivars): New function.
(objc_collecting_ivars): New variable.
(continue_class): Set and reset objc_collecting_ivars for context.
In gcc/:
* c-decl.c (detect_field_duplicates): If compiling Objective-C,
call objc_get_interface_ivars ().
* c-family/c-common.h (objc_get_interface_ivars): New declaration.
* c-family/stub-objc.c (objc_get_interface_ivars): New stub.
In gcc/objcp/:
* objcp-decl.c (objcp_finish_struct): Call
objc_get_interface_ivars() and check for duplicate ivars.
In gcc/testsuite/:
Merge from 'apple/trunk' branch on FSF servers.
2005-10-11 Fariborz Jahanian <fjahanian@apple.com>
Radar 4291785
objc.dg/naming-4.m: New
objc.dg/naming-5.m: New
obj-c++.dg/naming-1.mm: New
obj-c++.dg/naming-2.mm: New
From-SVN: r164491
2010-09-21 Kai Tietz <kai.tietz@onevision.com>
PR target/45694
* config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
static chain-register is used for 64-bit.
From-SVN: r164489
2010-09-21 Richard Guenther <rguenther@suse.de>
* dwarf2out.c (is_cu_die): New function.
(add_pubtype): Use it.
(gen_subprogram_die): Likewise.
(gen_struct_or_union_type_die): Likewise.
(dwarf2out_finish): Likewise.
(comp_unit_die): Rename to ...
(single_comp_unit_die): ... this.
(comp_unit_die): New function lazily constructing and
returning single_comp_unit_die.
(is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
base_type_die, subrange_type_die, modified_type_die,
lower_bound_default, add_bound_info, add_prototyped_attribute,
dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
force_decl_die, gen_namespace_die, dwarf2out_decl,
dwarf2out_start_source_file, dwarf2out_end_source_file,
prune_unused_types, dwarf2out_finish): Use it.
(gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
the global list of translation-unit decls.
(dwarf2out_init): Do not create single_comp_unit_die here.
(force_decl_die): Handle TRANSLATION_UNIT_DECL.
From-SVN: r164484