2011-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49365
	* params.def (min-insn-to-prefetch-ratio): Reduce from 10 to 9.

From-SVN: r175474

re PR rtl-optimization/49169 (ARM: optimisations strip the Thumb/ARM mode bit off function pointers)

gcc/
2011-07-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49169
	* fold-const.c (get_pointer_modulus_and_residue): Don't rely on
	the alignment of function decls.

gcc/testsuite/
2011-07-24  Michael Hope  <michael.hope@linaro.org>
	    Richard Sandiford  <richard.sandiford@linaro.org>

	PR tree-optimization/49169
	* gcc.dg/torture/pr49169.c: New test.

From-SVN: r175427

	PR testsuite/49529
	* gcc.dg/ipa/ipa-pta-17.c: Use dg-require-alias.

From-SVN: r175420

	* gcc.dg/debug/pr49294.c (dg-options): Add -fno-common to options on
	hppa*-*-hpux*.

From-SVN: r175419

re PR c++/49528 (g++ fails to destroy temporary object when subobject is used to initialize a reference)

	PR c++/49528
	* semantics.c (potential_constant_expression_1): Check
	for non-literality rather than cleanup.
	(cxx_eval_constant_expression): Likewise.

From-SVN: r175417

From-SVN: r175416

From-SVN: r175411

re PR target/47997 (gcc on macosx: "ld: warning: -fwritable-strings not compatible with literal CF/NSString")


	PR target/47997
	* config/darwin.c (darwin_mergeable_string_section): Place string
	constants in '.cstring' rather than '.const' when CF/NSStrings are
	active.

From-SVN: r175410

re PR c++/49528 (g++ fails to destroy temporary object when subobject is used to initialize a reference)

	PR c++/49528
	* semantics.c (potential_constant_expression_1): A TARGET_EXPR
	with a cleanup isn't constant.
	(cxx_eval_constant_expression): Likewise.
	* init.c (expand_default_init): Use maybe_constant_init.

From-SVN: r175409

2011-06-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48377
	* gcc.dg/vect/pr48377.c: Add dg-require-effective-target
	non_strict_align.

2011-06-26  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/49191
	* lib/target-supports.exp (check_effective_target_non_strict_align):
	New.
	* gcc.dg/memcpy-3.c: Add dg-require-effective-target non_strict_align.

From-SVN: r175408

	* config/sparc/sparc.c (save_local_or_in_reg_p): Adjust comment.
	(emit_save_register_window): Likewise.
	(sparc_expand_prologue): Use SIZE_INT_RTX and SIZE_RTX variables.
	(sparc_flat_expand_prologue): Add comment.  Always emit blockage.
	Swap back %o7/%i7 in register naming.

From-SVN: r175407

From-SVN: r175406

From-SVN: r175405

From-SVN: r175404

	PR driver/49371
	* config/darwin.c (darwin_override_options): Improve warning when
	mdynamic-no-pic is given together with fPIC/fpic, also warn when it
	is given with fpie/fPIE.
	* config/darwin.h (PIE_SPEC): New, (LINK_SPEC): Use PIE_SPEC.
	* config/darwin9.h (PIE_SPEC): New.

From-SVN: r175397

2011-06-25  Basile Starynkevitch  <basile@starynkevitch.net>

	* timevar.c (timevar_print): Increase width for display of timevar
	name.

From-SVN: r175396

From-SVN: r175394

	PR c++/46400
	* cp-tree.h (union lang_tree_node): Use TYPE_NEXT_VARIANT
	instead of TYPE_CHAIN for chain_next for types.

	* c-decl.c (union lang_tree_node): Use TYPE_NEXT_VARIANT
	instead of TYPE_CHAIN for chain_next for types.

From-SVN: r175389

The old definition left a 2 instruction hole in which
unwind info was out-of-date.

From-SVN: r175388

2011-06-24  Easwaran Raman  <eraman@google.com>

      PR rtl-optimization/49429
      PR target/49454
      * expr.c (emit_block_move_hints):  Mark MEM_EXPR(x) and
      MEM_EXPR(y) addressable if emit_block_move_via_libcall is
      used to copy y into x.
      * calls.c (initialize_argument_information): Mark
      an argument addressable if it is passed by invisible reference.
      (emit_library_call_value_1): Mark  MEM_EXPR (val) addressable
      if it is passed by reference.

From-SVN: r175384

From-SVN: r175383

From-SVN: r175379

From-SVN: r175378

2011-06-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/49504
	* rtlanal.c (nonzero_bits1): Properly handle addition or
	subtraction a pointer in Pmode if pointers extend unsigned.

From-SVN: r175377

2011-06-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimizations/49516
	* tree-sra.c (sra_modify_assign): Choose the safe path for
	aggregate copies if we also did scalar replacements.

	* testsuite/g++.dg/tree-ssa/pr49516.C: New test.

From-SVN: r175376

Fix PR target/49335

2011-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/49335
	* config/arm/predicates.md (add_operator): New.
	* config/arm/arm.md ("*arith_shiftsi"): Fix for SP reg usage
	in Thumb2.

From-SVN: r175375

From-SVN: r175374

2011-06-23  Gabriel Charette  <gchare@google.com>

	* name-lookup.h (cp_binding_level): Removed unused
	member names_size. Update all users.

From-SVN: r175373

From-SVN: r175372

v2: Include message improvements from Eric Botcazou

gcc/:
2011-06-24  Andi Kleen  <ak@linux.intel.com>

	* tree-sra.c (type_internals_preclude_sra_p): Add msg
	parameter. Split up ifs and report reason in *msg.
	(reject): Add.
	(find_var_candiate): Add msg variable.
	Split up ifs and report reason to reject.
	(find_param_candidates): Add msg variable.
	Pass msg to type_internals_preclude_sra_p.

From-SVN: r175370

	PR c++/49418
	* typeck2.c (build_functional_cast): Strip cv-quals for value init.
	* init.c (build_zero_init_1): Not here.

From-SVN: r175368

	PR c++/35255
	* pt.c (resolve_overloaded_unification): Fix DR 115 handling.

From-SVN: r175367

From-SVN: r175362

From-SVN: r175355

re PR middle-end/48770 (wrong code with -O -fprofile-arcs -fPIC -fno-dce -fno-forward-propagate -fno-tree-forwprop)


	PR middle-end/48770
	* reload.h (reload): Change to return a bool.
	* ira.c (ira): If requested by reload, run a fast DCE pass after
	reload has completed.  Fix comment typo.
	* reload1.c (need_dce): New file scoped static.
	(reload): Set reload_completed here.  Return whether or not a DCE
	pass after reload is needed.
	(delete_dead_insn): Set need_dce as needed.

	PR middle-end/48770
	* gcc.dg/pr48770.c: New test.

From-SVN: r175353

	PR middle-end/49465
	* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
	to detect threading through joiner block.  If there was already
	an edge to the new target, then do not change the PHI nodes.

From-SVN: r175352

	PR middle-end/49465
	* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
	to detect threading through joiner block.  If there was already
	an edge to the new target, then do not change the PHI nodes.

*************** fix_duplicate_block_edges (struct redire

From-SVN: r175351

	PR middle-end/49373
	* g++.dg/torture/pr43879-1_1.C: Revert the xfail introduced yesterday.

From-SVN: r175350

tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use get_pointer_alignment to see if base isn't sufficiently aligned.

	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
	get_pointer_alignment to see if base isn't sufficiently aligned.

From-SVN: r175348

	PR testsuite/49512
	* gcc.dg/tree-ssa/asm-1.c: Use -fdump-tree-optimized-nouid
	instead of -fdump-tree-optimized.

From-SVN: r175347