+2010-12-09 Yao Qi <yao@codesourcery.com>
+
+ * config/arm/arm.c (arm_preferred_rename_class): Implement targethook
+ PREFERRED_RENAME_CLASS.
+
+2010-12-08 Ian Lance Taylor <iant@google.com>
+
+ * doc/sourcebuild.texi (Front End): Remove reference to
+ snapshot-README and snapshot-index.html.
+
+2010-12-08 Ian Lance Taylor <iant@google.com>
+
+ * doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
+ to update_web_docs_svn.
+ (Front End): Likewise.
+
+2010-12-08 Iain Sandoe <iains@gcc.gnu.org>
+
+ gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
+ x86_64-*-darwin* to with_cpu:-core2.
+ gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
+ with movd for darwin assembler.
+ gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
+ (*vec_concatv2di_rex64_sse): Ditto.
+
+2010-12-08 Richard Guenther <rguenther@suse.de>
+ Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/45230
+ PR tree-optimization/45231
+ PR tree-optimization/45370
+ * sese.c (rename_uses): Returns a bool. Call
+ recompute_tree_invariant_for_addr_expr only on the RHS of a
+ GIMPLE_ASSIGN.
+ (graphite_copy_stmts_from_block): Call fold_stmt_inplace when
+ rename_uses returns true.
+ * tree-ssa-copy.c (replace_exp): Add a comment about calling
+ fold_stmt_inplace after replace_exp.
+
+2010-12-08 Mike Stump <mikestump@comcast.net>
+
+ PR debug/46749
+ * config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
+ (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
+ * config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
+ (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
+ * collect2.c (post_ld_pass): Add.
+ (process_args): Add.
+ (maybe_run_lto_and_relink): Call post_ld_pass after ld.
+ (main): Likewise. Call process_args.
+
+2010-12-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/46844
+ * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
+ parameter.
+
+2010-12-08 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/46631
+ * arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
+ into a 16-bit instruction.
+
+2010-12-08 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR middle-end/42694
+ * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
+ where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
+ instruction, but do optimize if y is 0.5 or 1./3. since that
+ changes an expensive call into a cheaper one.
+
2010-12-08 Richard Guenther <rguenther@suse.de>
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
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