2009-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

	PR testsuite/38949
	* g++.dg/torture/stackalign/test-unwind.h (ASMNAME): Define.
	Use instead of C name in asm statements.

From-SVN: r143684

From-SVN: r143679

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
	from special handling.

From-SVN: r143676

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa.c (execute_update_addresses_taken): Do not include
	variables that cannot possibly be a register in not_reg_needs.
	Do not clear TREE_ADDRESSABLE on vars that may not become
	registers.
	* tree-ssa.c (update_alias_info_1): Include those in the set
	of addressable vars.

	* g++.dg/torture/pr38745.C: New testcase.

From-SVN: r143673

re PR middle-end/38851 (Compiler warns about uninitialized variable that is an object with a constructor)

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38851
	* Makefile.in (tree-ssa-dse.o): Add langhooks.h.
	* tree-ssa-dse.c: Include langhooks.h
	(execute_simple_dse): Remove stores with zero size.

	* g++.dg/warn/Wuninitialized-1.C: New testcase.

From-SVN: r143672

From-SVN: r143667

From-SVN: r143664

	* gcc.dg/bitfld-15.c: Gate warning on target
	pcc_bitfield_type_matters.
	* gcc.dg/bitfld-17.c, g++.dg/ext/bitfield2.C,
	g++.dg/ext/bitfield4.C: Likewise.
	* gcc.dg/pr17112-1.c: Don't expect a warning for the packed
	bitfield for any target.

From-SVN: r143662

From-SVN: r143659

	PR c/38957
	* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
	as PLUS_EXPR.

	* gcc.dg/pr38957.c: New test.

From-SVN: r143654

	* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
	config/arm/linux-atomic.c.
	* config/arm/linux-atomic.c: New.

From-SVN: r143653

	* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
	* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
	* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

From-SVN: r143649

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/38938
	* c-opts.c (c_common_handle_option): Upate warn_pointer_sign
	properly.

From-SVN: r143648

re PR fortran/38955 (testsuite/gfortran.dg/array_constructor_24.f  fails due to floating point comparison)

2009-01-24 David Billinghurst (billingd@gcc.gnu.org)

	PR fortran/38955
	* gfortran.dg/array_constructor_24.f: Allow tolerance when 
	comparing floats

From-SVN: r143600

re PR tree-optimization/38953 ([graphite] loop closed SSA not maintained by graphite code generation)

2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38953
	* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
	(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
	(gloog): Split the exit of the scop when the scop exit is a loop exit.
	(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
	changed the CFG.

	* gfortran.dg/graphite/pr38953.f90: New.

From-SVN: r143599

From-SVN: r143597

2009-01-24  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/neon.md (neon_type): Move to arm.md.
	(neon_mov<VSTRUCT>): Add neon_type attribute.
	* config/arm/arm.md (neon_type): Move to here.
	(conds): Add "unconditioal" and use as default for NEON insns.

	gcc/testsuite/
	* gcc.target/arm/neon-cond-1.c: New test.

From-SVN: r143594

	* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
	void *' warning from -Wc++-compat.
	* Makefile.in (dominance.o-warn): Remove.

From-SVN: r143593

2008-01-23  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38932
	* fold-const.c (fold_unary_no_overflow): New.
	* tree.h (fold_unary_no_overflow): Declare.
	* tree-ssa-ccp.c (ccp_fold): Use fold_unary_no_overflow.
	* tree-ssa-sccvn.c (visit_reference_op_load,
	simplify_unary_expression): Likewise.

testsuite:
2008-01-23  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38932
	* gcc.dg/pr38932.c: New.

From-SVN: r143588

From-SVN: r143587

	* c-decl.c (finish_struct): Move code to set DECL_PACKED after
	DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
	regardless of their type.
	* c-common.c (handle_packed_attribute): Don't ignore packed on
	bitfields.
	* c.opt (Wpacked-bitfield-compat): New warning option.
	* stor-layout.c (place_field): Warn if offset of a field changed.
	* doc/extend.texi (packed): Mention the ABI change.
	* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
	(Warning Options): Add it to the list.

cp/
	* class.c (check_field_decls): Also inherit packed for bitfields
	regardless of their type.

testsuite/
	* gcc.dg/bitfld-15.c, gcc.dg/bitfld-16.c,
	gcc.dg/bitfld-17.c,gcc.dg/bitfld-18.c: New tests.
	* g++.dg/ext/bitfield2.C, g++.dg/ext/bitfield3.C,
	g++.dg/ext/bitfield4.C, g++.dg/ext/bitfield5.C: New tests.

From-SVN: r143584

	libmudflap/
	* mf-impl.h (__mf_get_state, __mf_set_state): Don't use
	__thread when TLS support is emulated.
	* mf-hooks3.c (__mf_get_state, __mf_set_state): Likewise.
	* mf-runtime.c (__mf_state_1): Likewise.
	* configure.ac: Use GCC_CHECK_EMUTLS.
	* configure: Regenerate.
	* config.h.in: Regenerate.

	config/
	* tls.m4 (GCC_CHECK_EMUTLS): Define.

From-SVN: r143583

From-SVN: r143581

2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* c-opts.c (c_common_post_options): Fix a typo in comments.

From-SVN: r143578

2009-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/std/thread (__thread_data_base, thread): Rename member
	functions to match coding style.
	(thread::thread,thread::operator=): Define move operations.
	* src/thread.cc (__thread_data_base, thread): Rename member functions.
	* config/abi/pre/gnu.ver: Adjust.

From-SVN: r143577

re PR target/38384 (shared link/execute fails for cross gcc from linux to target hppa64-hp-hpux11.00)

2009-01-22  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/38384
	* acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Disable symbol versioning
	on HPUX.
	* configure: Regenerate.

From-SVN: r143576

From-SVN: r143573

From-SVN: r143572

	PR middle-end/38615
	* gcc.dg/pr38615.c: New test.

From-SVN: r143571

	PR middle-end/38615
	* gimplify.c (gimplify_init_constructor): Fix promotion of const
	variables to static.
	* doc/invoke.texi (-fmerge-all-constants): Update description.

From-SVN: r143570

re PR target/38931 (Seg fault when getting instruction latency on a *movsi_1 with an MMX target register)

	PR target/38931
	* config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
	(*movdi_1_rex64): Use type "mmx" for alternative 5.

testsuite/ChangeLog:

	PR target/38931
	* gcc.target/i386/pr38931.c: New test.

From-SVN: r143567

	* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
	a word boundary.
	(LOCAL_ALIGNMENT): Similarly.

From-SVN: r143566

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
	* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
	* config/arm/arm-tune.md: Regenerate.
	* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
	-march=iwmmxt2.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r143565

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
	version number to five.

From-SVN: r143564

From-SVN: r143562

From-SVN: r143560

2009-01-21  Benjamin Kosnik  <bkoz@redhat.com>

	* testsuite/29_atomics/headers/stdatomic.h/functions.c: Remove
	atomic_flag_fence.

From-SVN: r143557

2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/38587
	* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
	crossing setjmps.

From-SVN: r143554

	PR bootstrap/37660
	* config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
	(LIBGCC_SPEC):  Don't define.
	(REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

From-SVN: r143552

gcc/testsuite/
	* gcc.dg/tree-ssa/ssa-store-ccp-3.c: Skip for mips*-*-linux*
	and mips*-*-irix*.
	* gcc.dg/tree-ssa/vrp47.c: Skip for all MIPS targets.

From-SVN: r143551