+2010-12-09 Richard Guenther <rguenther@suse.de>
+
+ * reginfo.c (struct subregs_of_mode_node): Remove.
+ (subregs_of_mode): Likewise.
+ (som_hash): Likewise.
+ (som_eq): Likewise.
+ (invalid_mode_changes): New bitmap.
+ (record_subregs_of_mode): Get subregs_of_mode argument.
+ Fill in invalid_mode_changes bitmap.
+ (find_subregs_of_mode): Get subregs_of_mode argument and pass
+ it through.
+ (init_subregs_of_mode): Adjust.
+ (finish_subregs_of_mode): Likewise.
+ (invalid_mode_change_p): Query invalid_mode_changes bitmap.
+
+2010-12-09 Richard Guenther <rguenther@suse.de>
+
+ * ira.c (ira): Do not call finish_subregs_of_mode.
+ * ira-costs.c (finish_costs): Call finish_subregs_of_mode.
+
+2010-12-09 Richard Guenther <rguenther@suse.de>
+
+ * rtl.h (invalid_mode_change_p): Adjust prototype.
+ * reginfo.c (invalid_mode_change_p): Remove from argument.
+ * ira-costs.c (print_allocno_costs): Adjust callers.
+ (find_costs_and_classes): Likewise.
+
+2010-12-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/s390/s390.md (*mov<mode>cc): Change lgoc and stgoc to
+ locg and stocg even in comment.
+ (sync_old_<atomic><mode>): Give mode to UNSPEC_VOLATILE.
+
+ PR target/41082
+ * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
+ instead of stve*x.
+ (altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
+ of operand 0.
+ * config/rs6000/altivec.md (VI_scalar): New mode attr.
+ (altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
+ vector mode for operand 0, put operand 1 into UNSPEC.
+
+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
+ instead of a division to divide by BITS_PER_UNIT.
+
+2010-12-08 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimple_tree_eq): Assert hashes are equal only
+ when checking is enabled.
+
+2010-12-07 Andrey Belevantsev <abel@ispras.ru>
+
+ PR target/43603
+ * haifa-sched.c (sched_create_recovery_edges): Update
+ dominator info.
+ * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
+ after deleting an empty block.
+ (tidy_control_flow): Also verify dominators.
+ (sel_remove_bb): Update dominator info after removing a block.
+ (sel_redirect_edge_and_branch_force): Assert that no unreachable
+ blocks will be created. Update dominator info.
+ (sel_redirect_edge_and_branch): Update dominator info when
+ basic blocks do not become unreachable.
+ (sel_remove_loop_preheader): Update dominator info.
+
+2010-12-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
+ Reset alignment information.
+ (bump_vector_ptr): Likewise.
+
+2010-12-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/46671
+ PR target/46685
+ * config/pa/pa.c (pa_function_section): New function.
+ (TARGET_ASM_FUNCTION_SECTION): Define.
+
+2010-12-07 Ian Lance Taylor <iant@google.com>
+ Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR bootstrap/46810
+ * configure.ac: Disable AC_MSG_ERROR while looking for the C++
+ preprocessor.
+ * configure: Rebuild.
+
+2010-12-07 Paul Koning <ni1d@arrl.net>
+
+ * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
+ values with sign rather than as unsigned.
+
+2010-12-07 Paul Koning <ni1d@arrl.net>
+
+ * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
+ (pdp11_function_section): New function.
+
2010-12-07 Joseph Myers <joseph@codesourcery.com>
* config/mcore/mcore.c Don't include assert.h.
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