From-SVN: r193050

From-SVN: r193049

2012-10-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53718
	* trans.h (GFC_DECL_PUSH_TOPLEVEL): Removed.
	* trans-decl.c (gfc_get_symbol_decl,gfc_generate_function_code): Remove
	GFC_DECL_PUSH_TOPLEVEL.
	(build_function_decl): Do not push __copy procedure to toplevel.

2012-10-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53718
	* gfortran.dg/class_54.f90: New.

From-SVN: r193048

re PR tree-optimization/55018 (CDDCE pass is too aggressive sometimes with infinite loops and with some functions)

gcc/
	PR tree-optimization/55018
	* basic-block.h (dfs_find_deadend): New prototype.
	* cfganal.c (dfs_find_deadend): No longer static.  Use bitmap
	instead of sbitmap for visited.
	(flow_dfs_compute_reverse_execute): Use dfs_find_deadend here, too.
	* dominance.c (calc_dfs_tree): If saw_unconnected,
	traverse from dfs_find_deadend of unconnected b
	instead of b directly.

testsuite/
	PR tree-optimization/55018
	* gcc.dg/torture/pr55018.c: New test.


Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r193047

From-SVN: r193046

i386.c (ix86_expand_prologue): Emit frame info for the special register pushes before frame probing and allocation.

	* config/i386/i386.c (ix86_expand_prologue): Emit frame info for the
	special register pushes before frame probing and allocation.

From-SVN: r193044

/cp
2012-10-31  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54583
	* tree.c (build_cplus_array_type): Set TREE_NO_WARNING on the
	TYPE_SIZE of VLAs.

/testsuite
2012-10-31  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54583
	* g++.dg/ext/vla13.C: New.

From-SVN: r193043

2012-10-31  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55150
	* lra-constraints.c (lra_constraints): Update debug insn info
	after equivalence change.

2012-10-31  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55150
	* gcc.dg/pr55150.c: New test.

From-SVN: r193042

2012-10-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/55134
        * trans-array.c (gfc_conv_array_parameter): Regard AS_DEFERRED
        * as
        array with descriptor.

2012-10-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/55134
        * gfortran.dg/associate_11.f90: New.

From-SVN: r193041

	* testsuite-management/validate_failures.py: Fix parsing
	of summary lines.

From-SVN: r193039

ipa-inline.c (ipa_inline): Avoid infinite loop on inlining empty virtual functions calling themselves.


	* ipa-inline.c (ipa_inline): Avoid infinite loop on inlining
	empty virtual functions calling themselves.

From-SVN: r193038

2012-10-31  Tobias Burnus  <burnus@net-b.de>
            Joseph Myers <joseph@codesourcery.com>
            David S. Miller <davem@davemloft.net>
            Ulrich Drepper <drepper@redhat.com>
            Marek Polacek <polacek@redhat.com>:
            Petr Baudis <pasky@suse.cz>

        * math/complex.c (csqrtq): NaN and INF fixes.
        * math/sqrtq.c (sqrt): NaN, INF and < 0 fixes.
        * math/expm1q.c (expm1q): Changes from GLIBC. Use expq for
        large parameters. Fix errno for boundary conditions.
        * math/finiteq.c (finiteq): Add comment.
        * math/fmaq.c (fmaq): Changes from GLIBC. Fix missing underflows
        and bad results for some subnormal results. Fix sign of inexact
        zero return. Fix sign of exact zero return.
        Ensure additions are not scheduled after fetestexcept.
        * math/jnq.c (jnq): Changes from GLIBC. Set up errno properly
        for ynq. Fix jnq precision.
        * math/nearbyintq.c (nearbyintq): Changes from GLIBC. Do not
        manipulate bits before adding and subtracting TWO112[sx].
        * math/rintq.c (rintq): Ditto.
        * math/scalbnq.c (scalbnq): Changes from GLIBC. Fix integer
        overflow.


Co-Authored-By: David S. Miller <davem@davemloft.net>
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Ulrich Drepper <drepper@redhat.com>

From-SVN: r193037

	PR other/50899
	* doc/gcc.texi: Add @direntry for gcov.

From-SVN: r193036

From-SVN: r193035

From-SVN: r193034

2012-10-31  Jonathan Yong  <jon_y@users.sourceforge.net>

	* config/os/mingw32-w64/os_defines.h: Do not define anymore
	_GLIBCXX_HAVE_BROKEN_VSWPRINTF.

From-SVN: r193033

2012-10-31  Jonathan Yong  <jon_y@users.sourceforge.net>

	* config/os/mingw32-w64/os_defines.h: Do not define anymore
	_GLIBCXX_HAVE_BROKEN_VSWPRINTF.

From-SVN: r193032

In this PR, g++ embarrassingly fails to parse the simple alignas
expression below:

    alignas(double) int f;

even though the simple-declaration production in Clause 7 suggests
otherwise.

Fixed thus and tested on x86_64-unknown-linux-gnu against trunk.

gcc/cp

	PR c++/54955
	* parser.c (cp_nth_tokens_can_be_std_attribute_p): Recognize the
	'Alignas' keyword as the beginning of a c++11 attribute specifier.
	Update the comment of the function.
	(cp_next_tokens_can_be_gnu_attribute_p): Update the comment of the
	function.

gcc/testsuite/

	PR c++/54955
	* g++.dg/cpp0x/gen-attrs-48-2.C: New test.

From-SVN: r193029

	PR tree-optimization/19105
	PR tree-optimization/21643
	PR tree-optimization/46309
	* tree-ssa-reassoc.c (init_range_entry): Add STMT argument
	and use it if EXP is NULL.
	(update_range_test): Handle OPCODE equal to ERROR_MARK
	and oe->op NULL.
	(optimize_range_tests): Likewise.
	(final_range_test_p, suitable_cond_bb, no_side_effect_bb, get_ops,
	maybe_optimize_range_tests): New functions.
	(reassociate_bb): Call maybe_optimize_range_tests if last
	stmt of bb is GIMPLE_COND that hasn't been visited yet.

	* gcc.dg/pr19105.c: New test.
	* gcc.dg/pr21643.c: New test.
	* gcc.dg/pr46309-2.c: New test.
	* gcc.c-torture/execute/pr46309.c: New test.

From-SVN: r193028

gcc/
	* config/rs6000/rs6000.md (insvsi, insvdi, extvsi, extvdi): Rename to...
	(insvsi_internal, insvdi_internal, extvsi_internal)
	(extvdi_internal): ...this.
	(insv, extv): Update accordingly.

From-SVN: r193027

gcc/
	* combine.c (simplify_comparison): If BITS_BIG_ENDIAN, always assume
	that zero_extracts of const_ints are doing word-sized extractions.

From-SVN: r193026

gcc/
	* combine.c (make_extraction): Remove dead wanted_inner_mode-
	and pos_rtx-related code.

From-SVN: r193025

gcc/
	* expmed.c (store_bit_field_1): Move generation of MEM insvs
	to the MEM_P block.
	(extract_bit_field_1): Likewise extvs and extzvs.

From-SVN: r193024

gcc/
	* expmed.c (store_bit_field_using_insv): New function,
	split out from...
	(store_bit_field_1): ...here.
	(extract_bit_field_using_extv): New function, split out from...
	(extract_bit_field_1): ...here.

From-SVN: r193023

gcc/
	* expmed.c (store_bit_field_1): Use OP_MODE to check whether an
	insv pattern is available.  Remove redundant checks for OP_MODE
	being MAX_MACHINE_MODE.
	(extract_bit_field_1): Remove redundant checks for EXT_MODE being
	MAX_MACHINE_MODE.

From-SVN: r193022

gcc/
	* expmed.c (store_bit_field_1): Remove test for BLKmode values.

From-SVN: r193021

2012-10-31  Ralf Corsépius  <ralf.corsepius@rtems.org>,
	    Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config/sparc/t-rtems: New (Custom multilibs).
	* config/sparc/t-rtems-64: New (Custom multilibs).
	* config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64.
	(sparc-*-rtems*): Add sparc/t-rtems.


Co-Authored-By: Joel Sherrill <joel.sherrill@oarcorp.com>

From-SVN: r193018

	* acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
	* configure.ac: Use it.
	* config.h.in, configure: Rebuild.
	* testsuite/Makefile.in: Rebuild.

From-SVN: r193017

gcc/
	* config/rs6000/rs6000.c (legitimize_reload_address): Remove code
	handling non-aligned ld/std.
	* config/rs6000/paired.md (movv2sf_paired): Use 'Y' instead of 'o'.
	* config/rs6000/vsx.md (vsx_mov, vsx_movti): Likewise.
	* config/rs6000/altivec.md (altivec_mov, altivec_movti): Likewise.
	* config/rs6000/dfp.md (movtd_internal): Use 'm' instead of 'o'.
gcc/testsuite/
	* gcc.target/powerpc/dimode_off.c: New.
	* gcc.target/powerpc/timode_off.c: New.
	* gcc.target/powerpc/dfmode_off.c: New.
	* gcc.target/powerpc/tfmode_off.c: New.

From-SVN: r193016

	* src/powerpc/linux64_closure.S: Add new ABI support.
	* src/powerpc/linux64.S: Likewise.

From-SVN: r193015

	* config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Define _CALL_LINUX.

From-SVN: r193014

        PR target/52498
        * vmsdbgout.c (vmsdbgout_write_source_line): Comment out names of
        last two parameters.

From-SVN: r193013

        * lra-constraints.c (choose_split_class): Add ATTRIBUTE_UNUSED to
        hard_reg_class.

From-SVN: r193012

2012-10-31  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config.host (m32r-*-rtems*): Include crtinit.o and crtfinit.o
	as extra_parts.

From-SVN: r193010

	* include/bits/forward_list.h (forward_list): Adjust comments.
	(forward_list(const forward_list&, const _Alloc&)): Use
	_M_range_initialize to copy elements.
	(forward_list(forward_list&&, const _Alloc&)): Add exception
	specification.
	(_Fwd_list_base(const _Fwd_list_base&, const _Node_alloc_type&)):
	Remove.
	* include/bits/forward_list.tcc (_Fwd_list_base(const _Fwd_list_base&,
	const _Node_alloc_type&)): Remove.
	(_Fwd_list_base(_Fwd_list_base&&, const _Node_alloc_type&)): Fix
	memory leak when allocators are not equal.

From-SVN: r193009

	* lang.opt (-fgo-relative-import-path): New option.
	* go-lang.c (go_relative_import_path): New static variable.
	(go_langhook_init): Pass go_relative_import_path to
	go_create_gogo.
	(go_langhook_handle_option): Handle -fgo-relative-import-path.
	* go-c.h (go_create_gogo): Update declaration.
	* gccgo.texi (Invoking gccgo): Document
	-fgo-relative-import-path.

From-SVN: r193008

From-SVN: r193006

PR debug/54551
PR debug/54693
* valtrack.c (dead_debug_promote_uses): Assert-check that
global used bit was clear and initialize entry
unconditionally.

From-SVN: r193003

	* cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in
	head comment.
	(hash_rtx): Likewise.

From-SVN: r193001

gcc/

	PR rtl-optimization/55093
	* rtlanal.c (simplify_subreg_regno): Remove lra_in_progress
	check for ARG_POINTER_REGNUM.

gcc/testsuite/

	PR rtl-optimization/55093
	* gcc.target/i386/pr55093.c: New file.

From-SVN: r193000