* config/c6x/eqd.c, config/c6x/eqf.c, config/c6x/ged.c,
        config/c6x/gef.c, config/c6x/gtd.c, config/c6x/gtf.c,
        config/c6x/led.c, config/c6x/lef.c, config/c6x/ltd.c,
        config/c6x/ltf.c: Adjust include path for soft-fp.

From-SVN: r177934

2011-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR other/46770
	* config.gcc (tm_file): Add initfini-array.h if
	.init_arrary/.fini_array are supported.

	* crtstuff.c: Don't generate .ctors nor .dtors sections if
	USE_INITFINI_ARRAY is defined.

	* output.h (default_elf_init_array_asm_out_constructor): New.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* varasm.c (elf_init_array_section): Likewise.
	(elf_fini_array_section): Likewise.
	(get_elf_initfini_array_priority_section): Likewise.
	(default_elf_init_array_asm_out_constructor): Likewise.
	(default_elf_fini_array_asm_out_destructor): Likewise.

	* config/initfini-array.h: New.

From-SVN: r177933

re PR fortran/49638 ([OOP] length parameter is ignored when overriding type bound character functions with constant length.)

2011-08-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/49638
	* dependency.c (gfc_dep_compare_expr): Add new result value "-3".
	(gfc_check_element_vs_section,gfc_check_element_vs_element): Handle
	result value "-3".
        * frontend-passes.c (optimize_comparison): Ditto.
	* interface.c (gfc_check_typebound_override): Ditto.


2011-08-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/49638
	* gfortran.dg/typebound_override_1.f90: Modified.

From-SVN: r177932

mips.c (mips_class_max_nregs): Check that the mode is OK for ST_REGS and FP_REGS before taking those classes...

gcc/
	* config/mips/mips.c (mips_class_max_nregs): Check that the mode is
	OK for ST_REGS and FP_REGS before taking those classes into account.

From-SVN: r177931

gcc/
	* config/mips/mips.c (mips_reorg_process_insns): Check for jumps
	before checking for annulled branches.

From-SVN: r177930

	* config/i386/i386.c (ix86_binary_operator_ok): Use
	satisfies_constraint_L.

From-SVN: r177928

	* config/i386/i386.c (ix86_expand_round_sse4): Expand as
	trunc (a + copysign (nextafter (0.5, 0.0), a)).

From-SVN: r177927

	* doc/tm.texi.in (PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* doc/tm.texi: Regenerate.
	* targhooks.c (default_preferred_output_reload_class): Don't use
	PREFERRED_OUTPUT_RELOAD_CLASS macro.
	* system.h (PREFERRED_OUTPUT_RELOAD_CLASS): Poison.

From-SVN: r177926

re PR tree-optimization/48739 (ICE in check_loop_closed_ssa_use() with "-ftree-parallelize-loops=2 -fno-tree-dominator-opts")

	PR tree-optimization/48739
	* tree-ssa.c: Include cfgloop.h.
	(execute_update_addresses_taken): When updating ssa, if in
	loop closed SSA form, call rewrite_into_loop_closed_ssa instead of
	update_ssa.
	* Makefile.in (tree-ssa.o): Depend on $(CFGLOOP_H).

	* gcc.dg/pr48739-1.c: New test.
	* gcc.dg/pr48739-2.c: New test.

From-SVN: r177924

2011-08-20  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/graphite/interchange-1.f: Remove xfail.

From-SVN: r177923

From-SVN: r177922

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

	PR fortran/50129
	* parse.c (parse_where): Undo changes after emitting an error. 

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

	PR fortran/50129
	* gfortran.dg/where_3.f90: New test.

From-SVN: r177918

re PR rtl-optimization/49936 (IRA handles CANNOT_CHANGE_MODE_CLASS poorly, + spills to memory on 4.7)

2011-08-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/49936
	* ira.c (ira_init_register_move_cost): Ignore too small subclasses
	for calculation of max register move costs.

From-SVN: r177916

c-parser.c (c_parser_postfix_expression): Convert operands of __builtin_complex to their semantic types.

	* c-parser.c (c_parser_postfix_expression): Convert operands of
	__builtin_complex to their semantic types.

From-SVN: r177915

gcc/

2011-08-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/49721
	* explow.c (convert_memory_address_addr_space): Also permute the
	conversion and addition of constant for zero-extend.

gcc/testsuite/

2011-08-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/49721
	* gfortran.dg/pr49721-1.f: New.
	* gfortran.fortran-torture/compile/pr49721-1.f: Likewise.

From-SVN: r177914

	* c-parser.c (c_parser_postfix_expression): Handle
	RID_BUILTIN_COMPLEX.
	* doc/extend.texi (__builtin_complex): Document.

c-family:
	* c-common.c (c_common_reswords): Add __builtin_complex.
	* c-common.h (RID_BUILTIN_COMPLEX): New.

testsuite:
	* gcc.dg/builtin-complex-err-1.c, gcc.dg/builtin-complex-err-2.c,
	gcc.dg/dfp/builtin-complex.c, gcc.dg/torture/builtin-complex-1.c:
	New tests.

From-SVN: r177911

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

	gcc/
	* tree-ssa-math-opts.c (is_widening_mult_rhs_p): Handle constants
	beyond conversions.
	(convert_mult_to_widen): Convert constant inputs to the right type.
	(convert_plusminus_to_widen): Don't automatically reject inputs that
	are not an SSA_NAME.
	Convert constant inputs to the right type.

	gcc/testsuite/
	* gcc.target/arm/wmul-11.c: New file.
	* gcc.target/arm/wmul-12.c: New file.
	* gcc.target/arm/wmul-13.c: New file.

From-SVN: r177910

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

	gcc/
	* tree-ssa-math-opts.c (convert_plusminus_to_widen): Convert add_rhs
	to the correct type.

	gcc/testsuite/
	* gcc.target/arm/wmul-10.c: New file.

From-SVN: r177909

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

	gcc/
	* tree-ssa-math-opts.c (convert_mult_to_widen): Better handle
	unsigned inputs of different modes.
	(convert_plusminus_to_widen): Likewise.

	gcc/testsuite/
	* gcc.target/arm/wmul-9.c: New file.
	* gcc.target/arm/wmul-bitfield-2.c: New file.

From-SVN: r177908

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

	gcc/
	* tree-ssa-math-opts.c (is_widening_mult_rhs_p): Add new argument
	'type'.
	Use 'type' from caller, not inferred from 'rhs'.
	Don't reject non-conversion statements. Do return lhs in this case.
	(is_widening_mult_p): Add new argument 'type'.
	Use 'type' from caller, not inferred from 'stmt'.
	Pass type to is_widening_mult_rhs_p.
	(convert_mult_to_widen): Pass type to is_widening_mult_p.
	(convert_plusminus_to_widen): Likewise.

	gcc/testsuite/
	* gcc.target/arm/wmul-8.c: New file.

From-SVN: r177907

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

	gcc/
	* tree-ssa-math-opts.c (is_widening_mult_p): Remove FIXME.
	Ensure the the larger type is the first operand.

	gcc/testsuite/
	* gcc.target/arm/wmul-7.c: New file.

From-SVN: r177906

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

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

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

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-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

	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

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

From-SVN: r177897

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.

From-SVN: r177894

       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

From-SVN: r177890

From-SVN: r177889

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

From-SVN: r177884

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.
	(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

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

From-SVN: r177877

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