2012-09-03  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* fold-const.c (fold_ternary_loc): Constant-propagate after
	removing dead operands.


gcc/testsuite/
	* gcc.dg/fold-perm.c: Improve test.

From-SVN: r190901

	PR tree-optimization/46590
	* tree-cfg.c (gimple_duplicate_sese_region): Don't update
	SSA web here ...
	* tree-ssa-loop-ch.c (copy_loop_headers): ... but here.

From-SVN: r190897

2012-09-03  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi: Fix numerous typos and punctuation/grammatical
	errors throughout the file.  Re-word some awkward sentences and
	paragraphs.

From-SVN: r190896

2012-09-03  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/54138
	* configure.ac: Re-organize ISL / CLOOG checks to allow
	disabling with either --without-isl or --without-cloog.
	* configure: Regenerated.
	* config/cloog.m4: Adjust.
	* config/isl.m4: Adjust.

From-SVN: r190895

re PR fortran/54467 (f951: internal compiler error: in gfc_add_component_ref, at fortran/class.c:213)

2012-09-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54467
        * class.c (gfc_find_derived_vtab): Fix disabling of _final
        by continuing to generate normal type-bound procedures.

From-SVN: r190892

2012-09-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54362
	* tree-ssa-structalias.c (find_func_aliases): Handle COND_EXPR.

From-SVN: r190889

	* configure.ac (noconfigdirs,target=avr): Add target-libquadmath.
	* configure: Regenerate.

From-SVN: r190887

2012-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_loadrelative_operand_p): New function.
	(s390_check_qrst_address, print_operand_address): Use
	s390_loadrelative_operand_p instead of s390_symref_operand_p.
	(s390_check_symref_alignment): Accept pointer size alignment for GOT slots.
	(legitimize_pic_address): Use load relative on z10 or later.

From-SVN: r190884

re PR debug/53923 (ICE: RTL check: expected code 'reg', have 'debug_expr' in rhs_regno, at rtl.h:1091)

	PR debug/53923
	* valtrack.c (dead_debug_insert_temp): Drop non-reg uses
	from the chain.

From-SVN: r190883

	* common.opt (--no-sysroot-suffix): New driver option.
	* doc/invoke.texi (--no-sysroot-suffix): Document.
	* gcc.c (driver_handle_option): Handle --no-sysroot-suffix as not
	needing spec processing.
	(main): Do not process sysroot suffixes if no_sysroot_suffix.

From-SVN: r190882

class.c (gfc_find_derived_vtab): Disable ABI-breaking generation of the "_final" subroutine for now.

2012-09-03  Tobias Burnus  <burnus@net-b.de>

        * class.c (gfc_find_derived_vtab): Disable ABI-breaking
        generation of the "_final" subroutine for now.

From-SVN: r190872

2012-09-03  Tobias Burnus  <burnus@net-b.de>

        * class.c (finalize_component): Fixes to the comment.

From-SVN: r190870

2012-09-03  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/37336
        * gfortran.h (symbol_attribute): Add artificial.
        * module.c (mio_symbol_attribute): Handle attr.artificial
        * class.c (gfc_build_class_symbol): Defer creation of the vtab
        if the DT has finalizers, mark generated symbols as
        attr.artificial.
        (has_finalizer_component, finalize_component,
        finalization_scalarizer, generate_finalization_wrapper):
        New static functions.
        (gfc_find_derived_vtab): Add _final component and call
        generate_finalization_wrapper.
        * dump-parse-tree.c (show_f2k_derived): Use resolved
        proc_tree->n.sym rather than unresolved proc_sym.
        (show_attr): Handle attr.artificial.
        * resolve.c (gfc_resolve_finalizers): Ensure that the vtab
        * exists.
        (resolve_fl_derived): Resolve finalizers before
        generating the vtab.
        (resolve_symbol): Also allow assumed-rank arrays with CONTIGUOUS;
        skip artificial symbols.
        (resolve_fl_derived0): Skip artificial symbols.

2012-09-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51632
        * gfortran.dg/coarray_class_1.f90: New.

From-SVN: r190869

From-SVN: r190868

	PR target/33135
	* common/config/sh/sh-common.c: Update copyright years.
	(sh_option_init_struct): Delete.
	(TARGET_OPTION_INIT_STRUCT): Likewise.

From-SVN: r190865

	PR target/54418
	* config/sh/sh.md (cmpgeusi_t): Remove N alternative.
	Check operands[1] in split condition instead of operands[0].
	Add comments.

From-SVN: r190864

libgcc/

	* config.host (x86_64-*-openbsd*): New target.

gcc/

	* config.gcc (x86_64-*-openbsd*): New target.
	* config.host (*-*-openbsd*): New target.
	* config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
	* config/i386/openbsdelf.h: Remove some superfluous defines and
	group things together in a more logical fashion.
	(DBX_REGISTER_NUMBER): Provide a
	definition that works on both 32-bit and 64-bit targets.
	(WCHAR_TYPE_SIZE): Hardcode as 32.
	(NO_DOLLAR_IN_LABEL): Remove undef.
	(TARGET_DEFAULT): Remove.
	(SET_ASM_OP): Remove.
	(DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
	(ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
	(DWARF2_UNWIND_INFO): Remove define.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/host-openbsd.c: New file.
	* config/t-openbsd (USER_H): Add EXTRA_HEADERS.
	* config/x-openbsd: New file.

From-SVN: r190863

sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated mode to sh_legitimate_index_p instead of QImode.

	* config/sh/sh.md (*extend<mode>si2_compact_mem_disp): Pass iterated
	mode to sh_legitimate_index_p instead of QImode.

From-SVN: r190862

	* config/i386/sync.md (atomic_compare_and_swap<dwi>_doubleword):
	Improve insn output code.

From-SVN: r190861

	PR rtl-optimization/54369
	* config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
	calling dbr_schedule.
	* config/sparc/sparc.c (sparc_reorg): Likewise.

From-SVN: r190858

	PR target/49206
	* gcc.c-torture/compile/pr49206.c: New test.

From-SVN: r190857

From-SVN: r190856

	PR target/36680
	* gfortran.dg/pr36680.f90: New test.


Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r190855

re PR target/42295 (ICE: 'error: unable to find a register to spill in class "AREG"' with -fschedule-insns)

	PR target/42295
	* g++.dg/opt/pr42295.C: New test.

From-SVN: r190854

re PR fortran/54426 (FAIL: gfortran.dg/common_6.f90  -O  (internal compiler error) on powerpc-apple-darwin9)

2012-09-02  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54426
        * symbol.c (find_common_symtree): New function.
        (gfc_undo_symbols): Use it; free common_head if needed.

From-SVN: r190853

From-SVN: r190852

re PR target/54436 (Compiling some regular C++ code gives assembler '700415 shortened to 255' warning)

	PR target/54436
	* config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
	operands[1] is CONST_INT_P, convert it to QImode before printing.

	* gcc.dg/torture/pr54436.c: New test.

From-SVN: r190849

simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>): A truncate of a memory is just loading the low part of the memory.

2012-09-01  Andrew Pinski  <apinski@cavium.com>

	* simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
	A truncate of a memory is just loading the low part of the memory.

2012-09-01  Andrew Pinski  <apinski@cavium.com>

        * gcc.target/mips/truncate-8.c: New testcase.

From-SVN: r190848

re PR target/46829 (ICE: in spill_failure, at reload1.c:2105 with -fschedule-insns -fsched-pressure and variadic function)

	PR target/46829
	PR target/46843
	* config/i386/i386.c (ix86_legitimate_combined_insn): New function.
	(TARGET_LEGITIMATE_COMBINED_INSN): New macro.

testsuite/ChangeLog:

	PR target/46829
	PR target/46843
	* gcc.target/i386/pr46829.c: New test.
	* gcc.target/i386/pr46843.c: Ditto.

From-SVN: r190847

	* target.def (legitimate_combined_insn): New target hook.
	* doc/tm.texi.in (TARGET_LEGITIMATE_COMBINED_INSN): New hook.
	* doc/tm.texi: Regenerated.
	* combine.c (recog_for_combine): Call targetm.legitimate_combined_insn
	to allow targets to reject combined insn.
	* hooks.h (hook_bool_rtx_true): New.
	* hooks.c (hook_bool_rtx_true): Ditto.

From-SVN: r190846

From-SVN: r190845

	PR c++/18747
	* pt.c (check_template_variable): New.
	(num_template_headers_for_class): Split out...
	* decl.c (grokdeclarator): ...from here.
	(start_decl): Remove redundant diagnostic.
	* cp-tree.h: Declare them
	* parser.c (cp_parser_single_declaration): Call check_template_variable.
.
Co-Authored-By: Jason Merrill <jason@redhat.com>

From-SVN: r190842

ipa-inline-analysis.c (estimate_function_body_sizes): Allocate nonconstant_names after calculate_dominance_info and loop_optimizer_init.

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline-analysis.c (estimate_function_body_sizes): Allocate
	nonconstant_names after calculate_dominance_info and
	loop_optimizer_init.

From-SVN: r190841

	PR c/54428
	* c-convert.c (convert): Don't call fold_convert_loc if
	TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
	is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
	COMPLEX_TYPE -> COMPLEX_TYPE conversion.

	* gcc.c-torture/compile/pr54428.c: New test.

From-SVN: r190840

gcc/

2012-08-31  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.c (arm_expand_epilogue): Remove unused variable
        floats_from_frame.

From-SVN: r190838

2012-08-31  Ollie Wild  <aaw@google.com>

	PR c++/54197
	* gcc/cp/call.c (extend_ref_init_temps_1): Handle COMPOUND_EXPR trees.
	* gcc/testsuite/g++.dg/init/lifetime3.C: New test.

From-SVN: r190834

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/54409
	* ipa-inline-analysis.c (remap_predicate): Fix the offset_map
	checking condition.

	* gcc/testsuite/gcc.dg/torture/pr54409.c: New test.

From-SVN: r190833

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline-analysis.c (phi_result_unknown_predicate): New function.
	(predicate_for_phi_result): Likewise.
	(estimate_function_body_sizes): Use the above two functions.

	* testsuite/gfortran.dg/pr48636.f90: Add dump scan checks.

From-SVN: r190832

2012-08-31  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/54394
	* ipa-inline-analysis.c (estimate_function_body_sizes): Compute
	dominance info and loops whenever optimizing.

From-SVN: r190831

re PR c++/50545 ([C++0x][DR 1172] SFINAE does not handle an explicit type conversion (functional notation) with a braced-init-list well if target type is not dependent)

	PR c++/50545
	PR c++/51222
	* pt.c (instantiation_dependent_r): New.
	(instantiation_dependent_expression_p): New.
	(value_dependent_expression_p): Use it.  SCOPE_REF is always dependent.
	* semantics.c (finish_decltype_type): Use it.
	* cp-tree.h: Declare it.

From-SVN: r190830