* trans-array.c (gfc_conv_ss_startstride): Support zero rank loop.

From-SVN: r179682

	* trans-array.c (gfc_conv_section_startstride): Move code to
	evaluate_bound.  Use evaluate_bound.
	(evaluate_bound): New function.

From-SVN: r179681

	* trans-array.c (gfc_conv_section_startstride): Update assertion to
	also accept coarrays.

From-SVN: r179680

	* trans-array.c (gfc_conv_section_startstride): Factor common
	array ref references.

From-SVN: r179679

trans-array.c (gfc_conv_expr_descriptor): Use codim instead of loop.codimen as argument to gfc_get_array_type_bounds.

	* trans-array.c (gfc_conv_expr_descriptor): Use codim instead of
	loop.codimen as argument to gfc_get_array_type_bounds.

From-SVN: r179677

	* trans-array.h (struct gfc_se): New flag want_coarray.
	* trans-intrinsic.c (trans_this_image, trans_image_index,
	conv_intrinsic_cobound): Set want_coarray.
	* trans_array.c (gfc_conv_expr_descriptor): Evaluate codimension
	earlier and without relying on the scalarizer.

From-SVN: r179676

	* expr.c (gfc_get_corank): Return 0 if input expression is not a
	coarray.

From-SVN: r179675

	* trans-array.c (gfc_conv_expr_descriptor): Simplify coarray
	descriptor setup code.

From-SVN: r179674

	* resolve.c (compare_spec_to_ref): Move coarray ref initialization
	code...
	(resolve_array_ref): ... here.

From-SVN: r179672

	* check.c (is_coarray): Remove.
	(coarray_check): Use gfc_is_coarray.

From-SVN: r179671

	* config/i386/i386.c (bdesc_args): Update code for
	__builtin_ia32_palignr256.  Change type of __builtin_ia32_pslldqi256,
	and __builtin_ia32_psrldqi256 to V4DI_FTYPE_V4DI_INT_CONVERT.
	(ix86_expand_args_builtin): Handle V4DI_FTYPE_V4DI_INT_CONVERT.
	* config/i386/sse.md (mode iterator V16): Add V2TI.
	(mode iterator SSESCALARMODE): Use V2TI not V4DI.
	(mode attr ssse3_avx2): Add V2TI.
	(avx2_lshrqv4di3, avx2_lshlqv4di3): Remove.

From-SVN: r179668

gcc/

	PR 50655
	* configure.ac: Add .register directives to VIS3 test.
	* configure: Regenerate.

gcc/testsuite/

	PR 50655
	* gcc.target/sparc/sparc.exp: Add vis3 target test.
	* gcc.target/sparc/cmask.c: Use it.
	* gcc.target/sparc/fhalve.c: Likewise.
	* gcc.target/sparc/fnegop.c: Likewise.
	* gcc.target/sparc/fpadds.c: Likewise.
	* gcc.target/sparc/fshift.c: Likewise.
	* gcc.target/sparc/fucmp.c: Likewise.
	* gcc.target/sparc/lzd.c: Likewise.
	* gcc.target/sparc/vis3misc.c: Likewise.
	* gcc.target/sparc/xmul.c: Likewise.

From-SVN: r179667

From-SVN: r179666

2011-10-07  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* testsuite/util/testsuite_allocator.h (uneq_allocator): Add
	propagate_on_container_swap typedef for C++0x testing.

From-SVN: r179665

From-SVN: r179664

re PR other/49752 (Non-existing struct `tree_type' in fold_checksum_tree in fold-const.c, can't build with `--enable-checking=fold')

PR 49752
        * fold-const.c (fold_checksum_tree): Remove out-of-date assert.

From-SVN: r179663

2011-10-07  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/predicates.md (shift_amount_operand): Remove constant
	range check.
	(shift_operator): Check range of constants for all shift operators.

	gcc/testsuite/
	* gcc.dg/pr50193-1.c: New file.
	* gcc.target/arm/shiftable.c: New file.

From-SVN: r179662

2011-10-07  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/predicates.md (shift_amount_operand): Remove constant
	range check.
	(shift_operator): Check range of constants for all shift operators.

	gcc/testsuite/
	* gcc.dg/pr50193-1.c: New file.
	* gcc.target/arm/shiftable.c: New file.

From-SVN: r179661

2011-10-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50625
	* class.c (gfc_build_class_symbol): Fix whitespace.
	* module.c (mio_symbol): Set 'class_ok' attribute.
	* trans-decl.c (gfc_get_symbol_decl): Make sure the backend_decl has
	been built for class symbols.


2011-10-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50625
	* gfortran.dg/class_46.f03: New.

From-SVN: r179660

        * gcc.dg/pr47276.c (ASMNAME, ASMNAME2, STRING): Define.
        (__EI___vsyslog_chk, __EI_syslog, __EI_vsyslog): Use ASMNAME.  
        (syslog, vsyslog, __vsyslog_chk): Likewise.

        * gcc.dg/lto/20081222_1.c (ASMNAME, ASMNAME2, STRING): Define.
        (x, EXT_x): Use ASMNAME.

        * gcc.dg/torture/pr48044.c (ASMNAME, ASMNAME2, STRING): Define.
        (a, c): Use ASMNAME.

From-SVN: r179659

2011-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_emit_tls_call_insn): Remove assertion.
	Load GOT pointer for non-pic builds.
	(s390_load_got): Replace pic_offset_table_rtx with hardcoded r12.
	(s390_emit_call): Likewise.

From-SVN: r179658

2011-10-07  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/50527
	* gcc.dg/pr50527.c: New test.

From-SVN: r179656

2011-10-07  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/50527
	* tree.c (build_common_builtin_nodes): Add local_define_builtin for
	BUILT_IN_ALLOCA_WITH_ALIGN.  Mark that BUILT_IN_ALLOCA_WITH_ALIGN can
	throw.
	* builtins.c (expand_builtin_alloca): Handle BUILT_IN_ALLOCA_WITH_ALIGN
	arglist.  Set align for	BUILT_IN_ALLOCA_WITH_ALIGN.
	(expand_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	(is_inexpensive_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* tree-ssa-ccp.c (evaluate_stmt): Set align for
	BUILT_IN_ALLOCA_WITH_ALIGN.
	(fold_builtin_alloca_for_var): Rename to ...
	(fold_builtin_alloca_with_align): Set DECL_ALIGN from 2nd
	BUILT_IN_ALLOCA_WITH_ALIGN argument.
	(ccp_fold_stmt): Try folding BUILT_IN_ALLOCA_WITH_ALIGN using
	fold_builtin_alloca_with_align.
	(optimize_stack_restore): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN): Declare using
	DEF_BUILTIN_STUB.
	* ipa-pure-const.c (special_builtin_state): Handle
	BUILT_IN_ALLOCA_WITH_ALIGN.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1)
	(call_may_clobber_ref_p_1): Same.
	* function.c (gimplify_parameters): Lower vla to
	BUILT_IN_ALLOCA_WITH_ALIGN.
	* gimplify.c (gimplify_vla_decl): Same.
	* cfgexpand.c (expand_call_stmt): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
	* tree-mudflap.c (mf_xform_statements): Same.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
	(mark_all_reaching_defs_necessary_1, propagate_necessity): Same.
	* varasm.c (incorporeal_function_p): Same.
	* tree-object-size.c (alloc_object_size): Same.
	* gimple.c (gimple_build_call_from_tree): Same.

From-SVN: r179655

	* function.c (frame_required_for_rtx): Remove function.
	(requires_stack_frame_p): New arg set_up_by_prologue.  All callers
	changed.  Compute a set of mentioned registers and compare against
	the new arg rather than calling frame_required_for_rtx.
	(thread_prologue_and_epilogue_insns): Compute the set_up_by_prologue
	reg set.  Convert the unconverted_simple_returns mechanism to store
	jump insns rather than their basic blocks.  Also check the
	orig_entry_edge destination for new blocks.

From-SVN: r179654

	PR tree-optimization/50650
	* tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): Don't
	call vect_is_simple_cond here, instead fail if cond_expr isn't
	COMPARISON_CLASS_P or if get_vectype_for_scalar_type returns NULL
	for cond_expr's first operand.
	* tree-vect-stmts.c (vect_is_simple_cond): Static again.
	* tree-vectorizer.h (vect_is_simple_cond): Remove prototype.

	* gcc.c-torture/compile/pr50650.c: New test.

From-SVN: r179653

	PR lto/50492
	* gcc-interface/gigi.h (gnat_pushdecl): Adjust comment.
	* gcc-interface/utils.c (global_context): New variable.
	(gnat_pushdecl): Initialize it and set it as the DECL_CONTEXT of DECLs
	that are either public external or at top level.  Use "No" macro.
	(end_subprog_body): Call decl_function_context.
	(rest_of_subprog_body_compilation): Likewise.

From-SVN: r179652

	PR tree-optimization/50575
	* gcc.c-torture/execute/vector-compare-2.x: New file.

From-SVN: r179651

	* gcc-interface/gigi.h (gnat_useless_type_conversion): Declare.
	(rest_of_subprog_body_compilation): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: For renaming,
	test for useless conversions by means of gnat_useless_type_conversion.
	* gcc-interface/trans.c: Include bitmap.h and cgraph.h.
	(language_function): Add named_ret_val and other_ret_val.
	(f_named_ret_val): New macro.
	(f_other_ret_val): Likewise.
	(gigi): Call rest_of_subprog_body_compilation.
	(struct nrv_data): New structure.
	(is_nrv_p): New predicate.
	(prune_nrv_r): New helper function.
	(prune_nrv_in_block): New function.
	(finalize_nrv_r): New helper function.
	(finalize_nrv): New function.
	(return_value_ok_for_nrv_p): New predicate.
	(build_return_expr): If optimization is enabled, record candidates for
	the Named Return Value optimization.
	(build_function_stub): Call rest_of_subprog_body_compilation.
	(Subprogram_Body_to_gnu): If optimization is enabled and there are
	candidates, finalize the Named Return Value optimization.
	Call rest_of_subprog_body_compilation.
	(call_to_gnu): At the end, if a return value is needed, simplify the
	result before wrapping it up in a COMPOUND_EXPR.
	* gcc-interface/utils.c (end_subprog_body): Split into...
	(rest_of_subprog_body_compilation): ...this.  New function.
	(gnat_useless_type_conversion): Likewise.

From-SVN: r179650

	PR middle-end/50125
	* gcc.dg/uninit-B.c (baz): Remove xfail *-*-*.
	* gcc.dg/uninit-pr19430.c (main): Remove xfail *-*-*.
	(bar3): Likewise.

From-SVN: r179649

2011-10-07  Richard Guenther  <rguenther@suse.de>

	PR testsuite/50637
	* gcc.dg/vect/vect-align-2.c: Increase array size.

From-SVN: r179648

2011-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (DWH, dwh): New mode macros.
	("umulsidi3"): Extend to support "umulditi3" as well.

From-SVN: r179647

	PR target/50603
	* config/i386/i386.c (ix86_fixup_binary_operands): Force src2 of
	integer PLUS RTX to a register to improve address combine.

testsuite/ChangeLog:

	PR target/50603
	* gcc.target/i386/pr50603.c: New test.

From-SVN: r179646

From-SVN: r179642

PR 50632

        * combine-stack-adjust.c (maybe_move_args_size_note): Add after
        parameter; use it to decide whether to merge two notes.
        (combine_stack_adjustments_for_block): Use maybe_move_args_size_note
        for the deallocation case as well.

From-SVN: r179637

	PR c++/39164
	* decl.c (grokfndecl): Diagnose redefinition of defaulted fn.

From-SVN: r179634

2011-10-06  Thomas Quinot  <quinot@adacore.com>

	* einfo.ads, exp_attr.adb, exp_ch3.adb, exp_ch4.adb, exp_ch7.adb,
	exp_ch9.adb, exp_ch9.ads, exp_strm.adb, exp_util.adb, freeze.adb,
	g-debpoo.ads, opt.ads, par-ch12.adb, par-ch2.adb, par-ch3.adb,
	par-ch5.adb, par-ch6.adb, sem_aggr.adb, sem_attr.adb, sem_cat.adb,
	sem_ch10.adb, sem_ch12.adb, sem_ch3.adb, sem_ch4.adb, sem_ch5.adb,
	sem_ch6.adb, sem_intr.adb, sem_res.ads, sem_type.adb, sem_util.adb,
	s-regpat.adb, s-tpopde-vms.ads: Minor reformatting.
	* s-osinte-freebsd.ads: Fix for tasking failures on FreeBSD.

2011-10-06  Ed Schonberg  <schonberg@adacore.com>

	* a-cihase.adb, a-ciorma.adb: Avoid accessibility checks in container
	references.

2011-10-06  Matthew Heaney  <heaney@adacore.com>

	* a-cuprqu.ads, a-cuprqu.adb, a-cbprqu.ads, a-cbprqu.adb
	(Dequeue_Only_High_Priority): Protected procedure now implemented.

2011-10-06  Vincent Celier  <celier@adacore.com>

	* g-trasym.adb: Replace old implementation with the default
	implementation that returns list of addresses as "0x...".
	* g-trasym.ads: Update the list of platforms with the full
	capability.  Indicate that there is a default implementation
	for other platforms.
	* g-trasym-unimplemented.ads, g-trasym-unimplemented.adb: Remove.
	* gcc-interface/Makefile.in: Remove g-trasym-unimplemented, as there
	is now a default implementation for all platforms without the full
	capability.

From-SVN: r179631

	* system.h (OUTPUT_ADDR_CONST_EXTRA): Poison.
	* doc/tm.texi.in (OUTPUT_ADDR_CONST_EXTRA): Remove documentation.
	* doc/tm.texi: Regenerate.
	* target.def (output_addr_const_extra): Use
	hook_bool_FILEptr_rtx_false.
	* targhooks.c (default_asm_output_addr_const_extra): Remove.
	* targhooks.h (default_asm_output_addr_const_extra): Remove.
	* hooks.c (hook_bool_FILEptr_rtx_false): New functions.
	* hooks.h (hook_bool_FILEptr_rtx_false): Declare.

From-SVN: r179630

2011-10-06  Robert Dewar  <dewar@adacore.com>

	* a-ciorse.adb, a-cihase.adb, a-cihase.ads, a-coorse.adb,
	a-cborse.adb, a-comutr.adb, a-ciorma.adb, a-cbmutr.adb,
	a-cbmutr.ads, a-cbhase.adb, a-cbhase.ads: Minor reformatting and code
	reorganization (use conditional expressions).

2011-10-06  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb (Resolve_Arithmetic_Op): Fix bad warning for
	floating divide by zero.

2011-10-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb: Limited interfaces that are not immutably limited
	are OK in return statements.

From-SVN: r179629

	* config/sparc/sparc.md (popcount<mode>2, clz<mode>2): Split up into...
	(popcountdi2, popcountsi2, clzdi2, clzsi2): Explicit expanders, in the
	SI mode 64-bit code gen case explicitly zero-extend and truncate.
	(*popcount<mode>_sp64): Split up into...
	(*popcountdi_sp64, *popcountsi_64): Explicit instantiations, and in the
	SImode case use truncate.
	(*clzsi_sp64): Rewrite to use truncate, and let the expander emit the
	subtract so the compiler can optimize it.
	(SIDI): Remove unused mode iterator.

From-SVN: r179628

	* function.c (thread_prologue_and_epilogue_insns): Emit split
	prologue on the orig_entry_edge. Don't account for it in
	prologue_clobbered.

From-SVN: r179627