+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
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