+2011-10-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/50106
+ * config/arm/arm.c (thumb_unexpanded_epilogue): Handle return
+ reg size from 1-3.
+
+2011-10-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
+ and rotates to the set of expensive operations.
+
+2011-10-19 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.c (sparc_expand_move): Use
+ can_create_pseudo_p.
+ (sparc_emit_set_const32): Likewise.
+ (sparc_emit_set_const64_longway): Likewise.
+ (sparc_emit_set_const64): Likewise.
+ (sparc_legitimize_pic_address): Likewise.
+ (memory_ok_for_ldd): Likewise.
+
+2011-10-20 Dehao Chen <dehao@google.com>
+
+ * profile.c (compute_branch_probabilities): Compute and dump the
+ overlap between the static estimation and the instrumentation profile.
+ (OVERLAP_BASE): New macro.
+ (compute_frequency_overlap): New function
+
+2011-10-19 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (expand_vec_perm_vpshufb2_vpermq_even_odd): Use
+ d->op1 instead of d->op0 for the second vpshufb.
+ (expand_vec_perm_even_odd_1): For V8SImode fix vpshufd immediates.
+ (ix86_expand_vec_perm_const): If mask indicates two operands are
+ needed, but both are the same and expanding them as d.op0 == d.op1
+ failed, retry with d.op0 != d.op1.
+ (ix86_expand_vec_perm_builtin): Likewise. Handle sorry printing
+ also for d.nelt == 32.
+
+ PR middle-end/50754
+ * cfgexpand.c (expand_debug_expr): Handle WIDEN_LSHIFT_EXPR, ignore
+ VEC_PERM_EXPR.
+
+2011-10-19 Bernd Schmidt <bernds@codesourcery.com>
+
+ * regrename.h: New file.
+ * regrename.c: Include it. Also include "emit-rtl.h".
+ (struct du_head, struct du_chain, du_head_p DEF_VEC and
+ DEF_VEC_ALLOC_P): Move to regrename.h.
+ (do_replace): Remove declaration.
+ (insn_rr): New variable.
+ (cur_operand): New static variable.
+ (regrename_chain_from_id): Renamed from chain_from_id and no longer
+ static. All callers changed.
+ (record_operand_use): New static function.
+ (scan_rtx_reg): Use it.
+ (find_best_rename_reg): New function, broken out of rename_chains.
+ (rename_chains): Use it. Don't update chain regno and nregs here, ...
+ (regrename_do_replace): ... do it here instead. Renamed from
+ do_replace, and no longer static. All callers changed.
+ (regrename_analyze): No longer static. New arg bb_mask.
+ All callers changed. If bb_mask is nonzero, use it to limit the
+ number of basic blocks we analyze. If we failed to analyze a block,
+ clear insn operand data.
+ (record_out_operands): New arg insn_info. Update cur_operand if it is
+ nonnull.
+ (build_def_use): If insn_rr is nonnull, pass an insn_info to
+ record_out_operands, and update cur_operand here as well.
+ (regrename_init, regrename_finish): New functions.
+ (regrename_optimize): Use them.
+ * Makefile.in (regrename.o): Adjust dependencies.
+
2011-10-19 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/50769
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