+2011-09-08 Enkovich Ilya <ilya.enkovich@intel.com>
+
+ * config/i386/i386-protos.h (ix86_lea_outperforms): New.
+ (ix86_avoid_lea_for_add): Likewise.
+ (ix86_avoid_lea_for_addr): Likewise.
+ (ix86_split_lea_for_addr): Likewise.
+
+ * config/i386/i386.c (LEA_MAX_STALL): New.
+ (increase_distance): Likewise.
+ (insn_defines_reg): Likewise.
+ (insn_uses_reg_mem): Likewise.
+ (distance_non_agu_define_in_bb): Likewise.
+ (distance_agu_use_in_bb): Likewise.
+ (ix86_lea_outperforms): Likewise.
+ (ix86_ok_to_clobber_flags): Likewise.
+ (ix86_avoid_lea_for_add): Likewise.
+ (ix86_avoid_lea_for_addr): Likewise.
+ (ix86_split_lea_for_addr): Likewise.
+ (distance_non_agu_define): Search in pred BBs added.
+ (distance_agu_use): Search in succ BBs added.
+ (IX86_LEA_PRIORITY): Value changed from 2 to 0.
+ (LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL.
+ (ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision.
+
+ * config/i386/i386.md: Split added to transform non destructive
+ add into move and add.
+ (lea_1): transformed into insn_and_split to avoid AGU stalls.
+ (lea<mode>_2): Likewise.
+
+2011-09-08 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/50287
+ * ipa-split.c (split_function): Do not create SSA names for
+ non-gimple-registers.
+
+2011-09-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/19831
+ * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Also
+ skip builtins with vdefs that do not really store something.
+ (propagate_necessity): For calls to free that we can associate
+ with an allocation function do not mark the freed pointer
+ definition necessary.
+ (eliminate_unnecessary_stmts): Remove a call to free if
+ the associated call to an allocation function is not necessary.
+
+2011-09-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/19831
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark
+ allocation functions as necessary.
+
+2011-09-08 Iain Sandoe <iains@gcc.gnu.org>
+
+ *config/darwin-driver.c (darwin_find_version_from_kernel): New routine
+ cut from ... (darwin_default_min_version): Amended to provide defaults
+ for the cross directory case.
+ (darwin_driver_init): call darwin_default_min_version unconditionally.
+ * config/darwin.h (DEF_MIN_OSX_VERSION): New.
+ * config/darwin9.h: Likewise.
+ * config/darwin10.h: Likewise.
+ * config/rs6000/darwin7.h: Likewise.
+
+2011-09-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/50310
+ * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return
+ code early if TARGET_AVX.
+ (ix86_expand_fp_vcond): Handle LTGT and UNEQ.
+
+2011-09-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/sse.md (sseinsnmode): Remove 32-byte integer vector
+ duplicates.
+
+ PR target/50310
+ * config/i386/sse.md (*andnot<mode>3, *<code><mode>3): Fix up
+ "mode" attribute computation.
+
+2011-09-07 Bernd Schmidt <bernds@codesourcery.com>
+
+ * regrename.c (struct du_head): Make nregs signed.
+ (closed_chains): Remove.
+ (create_new_chain): Return the new chain.
+ (chain_from_id): New static function.
+ (dump_def_use_chain): Change argument to be an int, indicating
+ the first ID to print. All callers changed.
+ (merge_overlapping_regs): Use chain_from_id. Assert that
+ chains don't conflict with themselves.
+ (rename_chains): Take no argument. Iterate over id_to_chain
+ rather to find chains to rename. Clear tick before the main
+ loop.
+ (struct incoming_reg_info): New struct.
+ (struct bb_rename_info): New struct.
+ (init_rename_info, set_incoming_from_chain, merge_chains): New
+ static functions.
+ (regrename_analyze): New static function, broken out of
+ regrename_optimize. Record and make use of open chain information
+ at basic block boundaries, and merge chains where possible.
+ (scan_rtx_reg): Make this_nregs signed. Don't update
+ closed_chains.
+ (build_def_use): Return a bool to indicate success. All callers
+ changed. Don't initialize global data here.
+ (regrename_optimize): Move most code out of here into
+ regrename_analyze.
+ * regs.h (add_range_to_hard_reg_set, remove_range_from_hard_reg_set,
+ range_overlaps_hard_reg_set_p, range_in_hard_reg_set_p): New
+ static inline functions.
+ * vec.h (FOR_EACH_VEC_ELT_FROM): New macro.
+
+ * bb-reorder.c (insert_section_boundary_note): Don't check
+ optimize_function_for_speed_p.
+ (gate_handle_partition_blocks): Do it here instead.
+ (gate_handle_reorder_blocks): Move preliminary checks here ...
+ (rest_of_handle_reorder_blocks): ... from here.
+
+2011-09-07 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/50301
+ * ipa-cp.c (find_more_values_for_callers_subset): Check jump
+ function index bounds.
+ (perhaps_add_new_callers): Likewise.
+
+2011-09-07 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/49911
+ * tree-sra.c (analyze_access_subtree): Change type of to-be-replaced
+ enumerations to the corresponding plain integer type.
+
+2011-09-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50319
+ * tree-if-conv.c (set_bb_predicate): Assert we only set
+ canonical predicates.
+ (add_to_predicate_list): Simplify. Allow TRUTH_NOT_EXPR
+ around canonical predicates.
+ (predicate_bbs): Do not re-gimplify already canonical
+ predicates. Properly unshare them though.
+ (find_phi_replacement_condition): Simplify.
+
+2011-09-07 Richard Sandiford <richard.sandiford@linaro.org>
+
+ PR target/49030
+ * config/arm/arm-protos.h (maybe_get_arm_condition_code): Declare.
+ * config/arm/arm.c (maybe_get_arm_condition_code): New function,
+ reusing the old code from get_arm_condition_code. Return ARM_NV
+ for invalid comparison codes.
+ (get_arm_condition_code): Redefine in terms of
+ maybe_get_arm_condition_code.
+ * config/arm/predicates.md (arm_comparison_operator): Use
+ maybe_get_arm_condition_code.
+
+2011-09-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
+ Canonicalize negated predicates by swapping edges.
+ (forward_propagate_into_cond): Likewise.
+
+2011-09-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50213
+ * tree-flow.h (simple_iv_increment_p): Declare.
+ * tree-ssa-dom.c (simple_iv_increment_p): Export. Also handle
+ POINTER_PLUS_EXPR.
+ * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Do
+ not propagate simple IV counter increments.
+
+2011-09-07 Eric Botcazou <ebotcazou@adacore.com>
+ Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/rs6000/rs6000.c (compute_save_world_info): Test
+ cfun->has_nonlocal_label to determine if the out-of-line save
+ world call may be used.
+
+2011-09-07 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.c (mn10300_insert_setlb_lcc): Set the jump
+ label on the parallel part of the insn.
+
+2011-09-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/50191
+ * dwarf2out.c (mem_loc_descriptor) <case MEM>: Try
+ avoid_constant_pool_reference first instead of last.
+
+2011-09-06 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * doc/configfiles.texi (Configuration Files): Update documentation
+ about tm_p.h and remove FIXME comment.
+
+2011-09-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_function_value_regno_p): Use AX_REG.
+ (function_value_32): Do not check TARGET_MMX, TARGET_SSE or TARGET_AVX.
+
+2011-09-06 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin10.h Remove duplicate LIB_SPEC.
+
+2011-09-06 Enkovich Ilya <ilya.enkovich@intel.com>
+
+ PR middle-end/44382
+ * target.def (reassociation_width): New hook.
+
+ * doc/tm.texi.in (reassociation_width): Likewise.
+
+ * doc/tm.texi (reassociation_width): Likewise.
+
+ * doc/invoke.texi (tree-reassoc-width): New param documented.
+
+ * hooks.h (hook_int_uint_mode_1): New default hook.
+
+ * hooks.c (hook_int_uint_mode_1): Likewise.
+
+ * config/i386/i386.h (ix86_tune_indices): Add
+ X86_TUNE_REASSOC_INT_TO_PARALLEL and
+ X86_TUNE_REASSOC_FP_TO_PARALLEL.
+
+ (TARGET_REASSOC_INT_TO_PARALLEL): New.
+ (TARGET_REASSOC_FP_TO_PARALLEL): Likewise.
+
+ * config/i386/i386.c (initial_ix86_tune_features): Add
+ X86_TUNE_REASSOC_INT_TO_PARALLEL and
+ X86_TUNE_REASSOC_FP_TO_PARALLEL.
+
+ (ix86_reassociation_width) implementation of
+ new hook for i386 target.
+
+ * params.def (PARAM_TREE_REASSOC_WIDTH): New param added.
+
+ * tree-ssa-reassoc.c (get_required_cycles): New function.
+ (get_reassociation_width): Likewise.
+ (swap_ops_for_binary_stmt): Likewise.
+ (rewrite_expr_tree_parallel): Likewise.
+
+ (rewrite_expr_tree): Refactored. Part of code moved into
+ swap_ops_for_binary_stmt.
+
+ (reassociate_bb): Now checks reassociation width to be used
+ and call rewrite_expr_tree_parallel instead of rewrite_expr_tree
+ if needed.
+
+2011-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47025
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): BUILT_IN_VA_END
+ uses nothing.
+ (call_may_clobber_ref_p_1): BUILT_IN_VA_END is a barrier like
+ BUILT_IN_FREE.
+ (stmt_kills_ref_p_1): BUILT_IN_VA_END kills what its argument
+ definitely points to.
+ * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
+ BUILT_IN_VA_START doesn't let its va_list argument escape.
+ * tree-ssa-dce.c (propagate_necessity): BUILT_IN_VA_END does
+ not make any previous stores necessary.
+
+2011-09-06 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-inline.h (struct inline_summary): Move versionable flag...
+ * cgraph.h (struct cgraph_local_info): ...here
+ * ipa-cp.c (determine_versionability): Use the new versionable flag.
+ (determine_versionability): Likewise.
+ (ipcp_versionable_function_p): Likewise.
+ (ipcp_generate_summary): Likewise.
+ * ipa-inline-analysis.c (dump_inline_summary): Do not dump the
+ versionable flag.
+ (compute_inline_parameters): Do not clear the versionable flag.
+ (inline_read_section): Do not stream the versionable flag.
+ (inline_write_summary): Likewise.
+ * lto-cgraph.c (lto_output_node): Stream the versionable flag.
+ (input_overwrite_node): Likewise.
+
+2011-09-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/48149
+ * tree-ssa-sccvn.c (vn_get_expr_for): Simplify. Fix tuplification bug.
+ (vn_valueize): Move earlier.
+ (valueize_expr): Use vn_valueize.
+ (simplify_binary_expression): Simplify, also combine COMPLEX_EXPR
+ operands.
+ (simplify_unary_expression): Simplify.
+
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48317
2011-09-02 Richard Guenther <rguenther@suse.de>
- * tree-ssa-ccp.c (fold_builtin_alloca_for_var): Do not
- fold alloca (0).
- (ccp_fold_stmt): Continue replacing args when folding
- alloca fails.
+ * tree-ssa-ccp.c (fold_builtin_alloca_for_var): Do not fold alloca (0).
+ (ccp_fold_stmt): Continue replacing args when folding alloca fails.
2011-08-31 Richard Guenther <rguenther@suse.de>
(collect_object_sizes_for): Likewise.
* tree-scalar-evolution.c (interpret_expr): Don't handle
ternary RHSs.
- * tree-ssa-forwprop.c (forward_propagate_into_cond): Fix and
- simplify.
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Fix and simplify.
(ssa_forward_propagate_and_combine): Adjust.
* tree-ssa-loop-im.c (move_computations_stmt): Build the COND_EXPR
as ternary.
* gthr-posix.h (__gthread_active_p): Do not use preprocessor
conditionals and comments inside macro arguments.
-20
011-08-29 Artjoms Sinkarovs <artyom.shinkaroff@gmail.com>
- Richard Guenther <rguenther@suse.de>
+2011-08-29 Artjoms Sinkarovs <artyom.shinkaroff@gmail.com>
+ Richard Guenther <rguenther@suse.de>
* tree.h (constant_boolean_node): Adjust prototype.
* fold-const.c (fold_convert_loc): Move aggregate conversion
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