2013-02-22 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk rev 196218 using svnmerge.py



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@196219 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 220 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e8be788a8c7..c2b35d3538c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,223 @@
+2013-02-21  Jakub Jelinek  <jakub@redhat.com>
+
+	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).
+
+	PR rtl-optimization/50339
+	* lower-subreg.h (struct lower_subreg_choices): Add splitting_ashiftrt
+	field.
+	* lower-subreg.c (compute_splitting_shift): Handle ASHIFTRT.
+	(compute_costs): Call compute_splitting_shift also for ASHIFTRT
+	into splitting_ashiftrt field.
+	(find_decomposable_shift_zext, resolve_shift_zext): Handle also
+	ASHIFTRT.
+	(dump_choices): Fix up printing LSHIFTRT choices, print ASHIFTRT
+	choices.
+
+2013-02-20  Aldy Hernandez  <aldyh@redhat.com>
+
+	PR middle-end/56108
+	* trans-mem.c (execute_tm_mark): Do not expand transactions that
+	are sure to go irrevocable.
+
+2013-02-21  Hans-Peter Nilsson  <hp@axis.com>
+
+	* doc/rtl.texi (vec_concat, vec_duplicate): Mention that
+	scalars are valid operands.
+
+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.
+
+2013-02-21  Martin Jambor  <mjambor@suse.cz>
+
+	* ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
+	instead of hard-wired defaults.
+
+2013-02-21  Maciej W. Rozycki  <macro@codesourcery.com>
+
+	* doc/invoke.texi (MIPS Options): Update documentation of the
+	floating-point multiply-accumulate instruction restrictions.
+
+2013-02-21  Kostya Serebryany  <kcc@google.com>
+
+	* config/i386/i386.c (ix86_asan_shadow_offset): Use 0x7fff8000 as
+	asan_shadow_offset on x86_64 linux.
+
+2013-02-21  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/56415
+	Revert
+	2013-02-11  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/56273
+	* tree-vrp.c (simplify_cond_using_ranges): Disable for the
+	first VRP run.
+
+2013-02-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/56258
+	* doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
+	instead of @itemx.
+
+	PR inline-asm/56405
+	* expr.c (expand_expr_real_1) <case TARGET_MEM_REF, MEM_REF>: Don't
+	use movmisalign or extract_bit_field for EXPAND_MEMORY modifier.
+
+2013-02-20  Jan Hubicka  <jh@suse.cz>
+
+	PR tree-optimization/56265
+	* ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph when target is
+	referenced for firs ttime.
+
+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.
+
+2013-02-20  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/56398
+	* tree-vect-loop-manip.c (adjust_debug_stmts): Skip
+	SSA default defs.
+
+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.
+
+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.
+
+2013-02-20  Martin Jambor  <mjambor@suse.cz>
+
+	* ipa-cp.c (initialize_node_lattices): Fix dumping condition.
+
+2013-02-20  Richard Biener  <rguenther@suse.de>
+
+	* genpreds.c (write_lookup_constraint): Do not compare first
+	letter of the constraint again.
+
+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.
+
+2013-02-20  Igor Zamyatin  <igor.zamyatin@intel.com>
+
+	* config/i386/i386.c (initial_ix86_tune_features): Turn on fp
+	reassociation for avx2 targets.
+
+2012-02-19  Edgar E. Iglesias <edgar.iglesias@gmail.com>
+
+	* 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
+	
+2012-02-19  Edgar E. Iglesias <edgar.iglesias@gmail.com>
+
+	*  config/microblaze/microblaze.md (call_value_intern): Check symbol is 
+	function before branching.
+
+2012-02-19  Andrey Belevantsev  <abel@ispras.ru>
+
+	* sel-sched-dump.c (dump_insn_rtx_flags): Explicitly set
+	DUMP_INSN_RTX_UID.
+	(dump_insn_rtx_1): Pass PATTERN (insn) to str_pattern_slim.
+
+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. 
+
+2013-02-19  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/56384
+	* tree-ssa-sccvn.h (struct vn_phi_s): Add type member.
+	(vn_hash_type): Split out from ...
+	(vn_hash_constant_with_type): ... here.
+	* tree-ssa-sccvn.c (vn_phi_compute_hash): Use vn_hash_type.
+	(vn_phi_eq): Compare types from vn_phi_s structure.
+	(vn_phi_lookup): Populate vn_phi_s type.
+	(vn_phi_insert): Likewise.
+
+2013-02-19  Jakub Jelinek  <jakub@redhat.com>
+
+	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.
+
+	PR tree-optimization/56381
+	* tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument
+	to fold_build3.
+
+2013-02-18  Aldy Hernandez  <aldyh@redhat.com>
+	    Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/52555
+	* genopinit.c (raw_optab_handler): Use this_fn_optabs.
+	(swap_optab_enable): Same.
+	(init_all_optabs): Use argument instead of global.
+	* tree.h (struct tree_optimization_option): New field
+	target_optabs.
+	* expr.h (init_all_optabs): Add argument to prototype.
+	(TREE_OPTIMIZATION_OPTABS): New.
+	(save_optabs_if_changed): Protoize.
+	* optabs.h: Declare this_fn_optabs.
+	* optabs.c (save_optabs_if_changed): New.
+	Declare this_fn_optabs.
+	(init_optabs): Add argument to init_all_optabs() call.
+	* function.c (invoke_set_current_function_hook): Handle per
+	function optabs.
+	* function.h (struct function): New field optabs.
+	* config/mips/mips.c (mips_set_mips16_mode): Handle when
+	optimization_current_node has changed.
+	* target-globals.h (save_target_globals_default_opts): Protoize.
+	* target-globals.c (save_target_globals_default_opts): New.
+
 2013-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR target/56347