+2011-12-12 Richard Sandiford <richard.sandiford@linaro.org>
+
+ PR middle-end/50873
+ * optabs.c (maybe_legitimize_operand_same_code): Use copy_to_mode_reg
+ instead of force_reg. Do nothing if the address is already a
+ non-virtual pseudo register.
+
+2011-12-12 Torvald Riegel <triegel@redhat.com>
+
+ * gimplify.c (voidify_wrapper_expr): Add default handling for
+ outermost wrapper.
+
+2011-12-12 Torvald Riegel <triegel@redhat.com>
+
+ * tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
+ commits as equal.
+
+2011-12-12 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin-sections.def (zobj_const_data_section): Fix over-
+ length section name.
+
+2011-12-11 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_expand_interleave): Use
+ BYTES_BIG_ENDIAN, not TARGET_BIG_ENDIAN.
+
+2011-12-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51485
+ * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
+ DRs in call stmts.
+
+2011-12-11 Patrick Marlier <patrick.marlier@gmail.com>
+
+ * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove
+ edge.
+
+2011-12-10 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/altivec.md (altivec_vmrghb): Rewrite pattern as
+ vec_select + vec_concat.
+ (altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
+ altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
+ (vec_perm_constv16qi): New.
+ (vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
+ vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
+ vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
+ * config/rs6000/paired.md (paired_merge00): Rewrite pattern as
+ vec_select + vec_concat.
+ (paired_merge10, paired_merge01, paired_merge11): Likewise.
+ (vec_perm_constv2sf): New.
+ (vec_interleave_highv2sf, vec_interleave_lowv2sf,
+ vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
+ * config/rs6000/spe.md (spe_evmergehi): Rewrite pattern as
+ vec_select + vec_concat.
+ (spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
+ (vec_perm_constv2si): New.
+ * config/rs6000/vector.md (vec_interleave_highv4sf,
+ vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
+ vec_interleave_low<VEC_64>): Remove.
+ * config/rs6000/vsx.md (VS_double): New mode attribute.
+ (UNSPEC_VSX_XXPERMDI): Remove.
+ (vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
+ (vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
+ (vsx_xxpermdi_<VSX_L>): Change to expander.
+ (vec_perm_const<VSX_D>): New.
+ (vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
+ * config/rs6000/predicates.md (const_0_to_1_operand): New.
+ (const_2_to_3_operand): New.
+ * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
+ (altivec_expand_vec_perm_const): New.
+ (rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
+ (rs6000_vectorize_vec_perm_const_ok): New.
+ (rs6000_do_expand_vec_perm): New.
+ (rs6000_expand_extract_even, rs6000_expand_interleave): New.
+ * config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
+ * config/rs6000/rs6000-modes.def: Add double-wide vector modes.
+ * config/rs6000/rs6000-protos.h: Update.
+
+2011-12-10 Richard Henderson <rth@redhat.com>
+
+ * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
+ CONST_INT to expand_vec_perm as the selector.
+ * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
+
2011-12-10 Richard Henderson <rth@redhat.com>
* genmodes.c (struct mode_data): Remove wider_2x member.