2011-06-30 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (struct access): Rename total_scalarization to
grp_total_scalarization
(completely_scalarize_var): New function.
(sort_and_splice_var_accesses): Set total_scalarization in the
representative access.
(analyze_access_subtree): Propagate total scalarization accross the
tree, no holes in totally scalarized trees, simplify coverage
computation.
(analyze_all_variable_accesses): Call completely_scalarize_var instead
of completely_scalarize_record.
* testsuite/gcc.dg/tree-ssa/sra-12.c: New test.
From-SVN: r175733
While it could be possible to output_set_got such that we can
individually annotate the instructions, it's simpler to simply
admit that all processors currently being manufactured do want
deep branch prediction. At which point all of the complication
simply goes away.
* config/i386/i386.h (X86_TUNE_DEEP_BRANCH_PREDICTION): Remove.
(TARGET_DEEP_BRANCH_PREDICTION): Remove.
* config/i386/i386.c: Don't include dwarf2out.h.
(initial_ix86_tune_features): Remove X86_TUNE_DEEP_BRANCH_PREDICTION.
(output_set_got): Don't test TARGET_DEEP_BRANCH_PREDICTION, delete
all code dead thereafter. Don't do dwarf2out_flush_queued_reg_saves.
(ix86_expand_prologue): Set REG_CFA_FLUSH_QUEUE on set_got insn.
(machopic_output_stub): Don't test TARGET_DEEP_BRANCH_PREDICTION.
From-SVN: r175730
* reg-notes.def (REG_CFA_FLUSH_QUEUE): New.
* dwarf2out.c (dwarf2out_frame_debug): Handle it.
* final.c (final_scan_insn): Look for it, and invoke
dwarf2out_frame_debug before the insn if found.
From-SVN: r175729
* dwarf2out.c (struct reg_saved_in_data): Provide a typedef.
Define a vector of this type.
(regs_saved_in_regs): Use a VEC.
(num_regs_saved_in_regs): Remove.
(compare_reg_or_pc): New.
(record_reg_saved_in_reg): Split out from...
(dwarf2out_flush_queued_reg_saves): ... here.
(clobbers_queued_reg_save): Update for VEC.
(reg_saved_in): Likewise.
(dwarf2out_frame_debug_init): Likewise.
(dwarf2out_reg_save_reg): Use record_reg_saved_in_reg.
(dwarf2out_frame_debug_cfa_register): Likewise.
From-SVN: r175727
PR tree-optimization/49572
* tree-ssa-dom.c (initialize_hash_element) <GIMPLE_SINGLE_RHS>: Use the
type of the RHS instead of that of the LHS for the expression type.
From-SVN: r175721
2011-06-30 Richard Guenther <rguenther@suse.de>
* opts.c (finish_options): Do not disable IPA-PTA during ltrans.
* tree-ssa-structalias.c (create_variable_info_for): Do not
add initial constraints for non-var-decls. Properly handle
globals in other ltrans partitions.
(intra_create_variable_infos): Manually create constraints for
the fake no-alias parameter.
(ipa_pta_execute): Dump the cgraph, handle ltrans partitions properly
and assert there are no clones.
From-SVN: r175707
2011-06-30 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/49094
* tree-sra.c (tree_non_mode_aligned_mem_p): New function.
(build_accesses_from_assign): Use it.
* testsuite/gcc.dg/tree-ssa/pr49094.c: New test.
From-SVN: r175703
PR debug/49364
* dwarf2out.c (output_abbrev_section): Don't return early
if abbrev_die_table_in_use is 1.
(dwarf2out_finish): Instead don't call output_abbrev_section
nor emit abbrev_section_label in that case.
From-SVN: r175694
* tree-vect-loop.c (vect_determine_vectorization_factor): Handle
both pattern and original statements if necessary.
(vect_transform_loop): Likewise.
* tree-vect-patterns.c (vect_pattern_recog): Update documentation.
* tree-vect-stmts.c (vect_mark_relevant): Add new argument.
Mark the pattern statement only if the original statement doesn't
have its own uses.
(process_use): Call vect_mark_relevant with additional parameter.
(vect_mark_stmts_to_be_vectorized): Likewise.
(vect_get_vec_def_for_operand): Use vectorized pattern statement.
(vect_analyze_stmt): Handle both pattern and original statements
if necessary.
(vect_transform_stmt): Don't store vectorized pattern statement
in the original statement.
(vect_is_simple_use_1): Use related pattern statement only if the
original statement is irrelevant.
* tree-vect-slp.c (vect_get_and_check_slp_defs): Likewise.
From-SVN: r175681
DR 1207
PR c++/49003
* cp-tree.h (struct saved_scope): Add x_current_class_ptr,
x_current_class_ref.
(current_class_ptr, current_class_ref): Use them.
* decl.c (build_this_parm): Handle getting the class type.
* parser.c (cp_parser_late_return_type_opt): Set up 'this'
for use within the trailing return type.
From-SVN: r175671
2011-06-29 François Dumont <francois.cppdevs@free.fr>
* include/debug/set.h, unordered_map, multiset.h, forward_list,
unordered_set, vector, deque, string, list, multimap.h: Remove base
class default constructor calls.
* include/debug/map.h: Likewise and cleanup several redefinition of
base iterator typedef.
From-SVN: r175665
* config/i386/i386.opt (mprefer-avx128): Redefine the flag as a Mask option.
* config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_AVX128_OPTIMAL entry.
(TARGET_AVX128_OPTIMAL): New definition.
* config/i386/i386.c (initial_ix86_tune_features): Initialize
X86_TUNE_AVX128_OPTIMAL entry.
(ix86_option_override_internal): Enable the generation
of the 128-bit instructions when TARGET_AVX128_OPTIMAL is set.
(ix86_preferred_simd_mode): Use TARGET_PREFER_AVX128.
(ix86_autovectorize_vector_sizes): Use TARGET_PREFER_AVX128.
From-SVN: r175661
PR rtl-optimization/49114
* reload.c (push_reload): Define in_subreg_loc and out_subreg_loc
only if LIMIT_RELOAD_CLASS to avoid -Werror build breaks.
From-SVN: r175652
PR tree-optimization/49539
* tree-ssa-forwprop.c (can_propagate_from): Check for abnormal SSA
names by means of stmt_references_abnormal_ssa_name.
(associate_plusminus): Call can_propagate_from before propagating
from definition statements.
(ssa_forward_propagate_and_combine): Remove superfluous newline.
From-SVN: r175650
* init.c (build_value_init): Decide whether or not to zero-initialize
based on user-providedness of default ctor, not any ctor.
(build_value_init_noctor): Adjust assert.
From-SVN: r175640
PR rtl-optimization/49114
* reload.c (struct replacement): Remove SUBREG_LOC member.
(push_reload): Do not set it.
(push_replacement): Likewise.
(subst_reload): Remove dead code.
(copy_replacements): Remove assertion.
(copy_replacements_1): Do not handle SUBREG_LOC.
(move_replacements): Likewise.
(find_replacement): Remove dead code. Use reload_adjust_reg_for_mode.
Detect subregs via recursive descent instead of via SUBREG_LOC.
From-SVN: r175631
