PR middle-end/56420
* expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Do subtraction in uhwi, to
avoid signed wrapping.
(expand_mult): Handle properly multiplication by
((dword_type) -1) << (BITS_PER_WORD - 1). Improve multiplication by
((dword_type) 1) << (BITS_PER_WORD - 1). Avoid undefined behavior
in the compiler if coeff is HOST_WIDE_INT_MIN.
(expand_divmod): Don't make ext_op1 static, change it's type to
uhwi. Avoid undefined behavior in -INTVAL (op1).
* gcc.dg/torture/pr56420.c: New test.
From-SVN: r196215
PR middle-end/56108
* trans-mem.c (execute_tm_mark): Do not expand transactions that
are sure to go irrevocable.
testsuite/
* gcc.dg/tm/memopt-1.c: Declare functions transaction_safe.
From-SVN: r196213
2013-02-21 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/56310
* ipa-cp.c (agg_replacements_to_vector): New parameter index, copy
only matching indices and non-negative final offsets.
(intersect_aggregates_with_edge): Pass src_idx to
agg_replacements_to_vector. Pass src_idx insstead of index to
intersect_with_agg_replacements.
testsuite/
* g++.dg/ipa/pr56310.C: New test.
From-SVN: r196207
2013-02-21 Martin Jambor <mjambor@suse.cz>
* ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
instead of hard-wired defaults.
From-SVN: r196206
PR bootstrap/56258
* doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
instead of @itemx.
* gnat-style.texi (@title): Remove @hfill.
* projects.texi: Avoid line wrapping inside of @pxref or
@xref.
* doc/cp-tools.texinfo (Virtual Machine Options): Use just
one @gccoptlist instead of 3 separate ones.
From-SVN: r196196
* include/std/streambuf (basic_streambuf): Use injected class name
instead of non-standard __streambuf_type typedef. Fix unclosed Doxygen
group.
From-SVN: r196185
PR go/56320
runtime: Support Solaris AMD64 in lfstack.
The address space layout is similar on SPARC64 and AMD64 when
running Solaris.
From-SVN: r196179
PR tree-optimization/56265
* ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph when target is
referenced for firs ttime.
* testsuite/g++.dg/ipa/devirt-11.C: New testcase.
From-SVN: r196177
2013-02-20 Richard Biener <rguenther@suse.de>
* tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.
* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise.
* tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do
not return anything.
(rename_ssa_copies): Do not remove unused locals.
* tree-ssa-ccp.c (do_ssa_ccp): Likewise.
* tree-ssanames.c (pass_release_ssa_names): Remove unused
locals first.
* passes.c (execute_function_todo): Do not schedule unused locals
removal if cleanup_tree_cfg did something.
* tree-ssa-live.c (remove_unused_locals): Dump statistics
about the number of removed locals.
* gcc.dg/tree-ssa/forwprop-8.c: Adjust.
From-SVN: r196174
2013-02-20 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/55334
* ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
restricted pointers to arrays.
From-SVN: r196171
2013-02-20 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/56396
* tree-ssa-ccp.c (n_const_val): New static variable.
(get_value): Return NULL for SSA names we don't have a lattice
entry for.
(ccp_initialize): Initialize n_const_val.
* tree-ssa-copy.c (n_copy_of): New static variable.
(init_copy_prop): Initialize n_copy_of.
(get_value): Return NULL_TREE for SSA names we don't have a
lattice entry for.
* gcc.dg/pr56396.c: New testcase.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r196170
2013-02-20 Richard Biener <rguenther@suse.de>
* genpreds.c (write_lookup_constraint): Do not compare first
letter of the constraint again.
From-SVN: r196167
2013-02-20 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-ivopts.c (alloc_use_cost_map): Use bitmap_count_bits
and ceil_log2.
(get_use_iv_cost): Terminate hashtable walk when coming across
an empty entry.
From-SVN: r196166
Add support for the CLZ insn
* config/microblaze/microblaze.c: microblaze_has_clz = 0
Add version check for v8.10.a to enable microblaze_has_clz
* config/microblaze/microblaze.h: Add TARGET_HAS_CLZ as
combined version and TARGET_PATTERN_COMPARE check
* config/microblaze/microblaze.md: New clzsi2 instruction
From-SVN: r196158
2012-02-19 Andrey Belevantsev <abel@ispras.ru>
PR middle-end/55889
* sel-sched.c: Include ira.h.
(implicit_clobber_conflict_p): New function.
(moveup_expr): Use it.
* Makefile.in (sel-sched.o): Depend on ira.h.
From-SVN: r196137
PR tree-optimization/56350
* tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false
if haven't found reduction or nested cycle operand, rather than
asserting we must find it.
* gcc.dg/pr56350.c: New test.
From-SVN: r196134
PR tree-optimization/56381
* tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
to fold_build3.
* g++.dg/opt/pr56381.C: New test.
From-SVN: r196133
