+2011-10-05 Richard Henderson <rth@redhat.com>
+
+ * tree-vect-generic.c (vector_element): Never fail. Use
+ build_zero_cst. Tidy up type references.
+ (lower_vec_shuffle): Never fail. Mask shuffle indicies. Reduce
+ code duplication. Do update_stmt here ...
+ (expand_vector_operations_1): ... not here.
+
+ * config/i386/i386.c (ix86_expand_vshuffle): Never fail. Handle
+ TARGET_XOP. Fix pshufb constant vector creation. Reduce code
+ duplication. Handle V2DI without SSE4.1.
+ * config/i386/i386-protos.h (ix86_expand_vshuffle): Update decl.
+ * config/i386/i386.md (vshuffle<V_128>): Remove assert for ok.
+
+2011-10-05 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (distance_non_agu_define): Simplify calculation
+ of "found". Simplify return value calculation.
+ (distance_agu_use): Ditto.
+
+2011-10-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/50621
+ * config/i386/i386.c (ix86_add_cfa_restore_note): Omit notes only
+ if the function was not shrink-wrapped.
+ (ix86_expand_epilogue): Ensure queued cfa_adjust notes are attached
+ to an insn.
+ * function.c (thread_prologue_and_epilogue_insns): Make sure the
+ shrink_wrapped flag is set even if there is no dump file.
+
+2011-10-05 DJ Delorie <dj@redhat.com>
+ Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.opt (mpid): Define.
+ * config/rx/t-rx (MULTILIB_OPTIONS): Add -mpid
+ (MULTILIB_DIRNAMES): Add pid.
+ * config/rx/rx.c (rx_gp_base_regnum_val, rx_pid_base_regnum_val)
+ (rx_num_interrupt_regs): New variable.
+ (rx_gp_base_regnum): New function. Returns the number of the
+ small data area register.
+ (rx_pid_base_regnum): New function. Returns the number of the pid
+ base register.
+ (rx_decl_for_addr): New function. Returns the symbolic part of a MEM.
+ (rx_pid_data_operand): New function. Returns whether an object is
+ in the position independent data area.
+ (rx_legitimize_address): New function. Puts undecided PID
+ objects in the PID data area.
+ (rx_is_legitimate_address): Add support for PID operands.
+ (rx_print_operand_address): Likewise.
+ (rx_print_operand): Likewise.
+ (rx_maybe_pidify_operand): New function. Determine if an operand
+ is suitable for PID addressing.
+ (rx_gen_move_template): Add PID support.
+ (rx_conditional_register_usage): Likewise.
+ (rx_option_override): Initialise rx_num_interrupt_regs.
+ (rx_is_legitimate_constant): Add support for PID constants.
+ (TARGET_LEGITIMIZE_ADDRESS): Define.
+ * config/rx/constraints.md (Rpid): Define.
+ (Rpda): Define.
+ * config/rx/rx.md (UNSPEC_PID_ADDR): Define.
+ (tablejump): Add PID support.
+ (mov<>): Likewise.
+ (mov<>_internal): Likewise.
+ (addsi3): Convert to an expander. Add PID support.
+ (pid_addr): New pattern.
+ * config/rx/rx.h (CPP_SPEC): Define.
+ (ASM_SPEC): Pass -mpid and -mint-register on to assembler.
+ (CASE_VECTOR_PC_RELATIVE): Define.
+ (JUMP_TABLES_IN_TEXT_SECTION): Enable for PID mode.
+ * config/rx/rx-protos.h (rx_maybe_pidify_operand): Prototype.
+ * doc/invoke.texi (RX Options): Document -mpid command line option.
+
+2011-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38885
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle partial reads
+ from constants.
+
+2011-10-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ * doc/invoke.texi (-fshrink-wrap): Document.
+ * opts.c (default_options_table): Add it.
+ * common.opt (fshrink-wrap): Add.
+ * function.c (emit_return_into_block): Remove useless declaration.
+ (record_hard_reg_uses_1, record_hard_reg_uses, frame_required_for_rtx,
+ requires_stack_frame_p, gen_return_pattern): New static functions.
+ (emit_return_into_block): New arg simple_p. All callers changed.
+ Use gen_return_pattern.
+ (thread_prologue_and_epilogue_insns): Implement shrink-wrapping.
+ * config/i386/i386.md (return): Expand into a simple_return.
+ (simple_return): New expander):
+ (simple_return_internal, simple_return_internal_long,
+ simple_return_pop_internal_long, simple_return_indirect_internal):
+ Renamed from return_internal, return_internal_long,
+ return_pop_internal_long and return_indirect_internal; changed to use
+ simple_return.
+ * config/i386/i386.c (ix86_expand_epilogue): Adjust to expand
+ simple returns.
+ (ix86_pad_returns): Likewise.
+ * function.h (struct rtl_data): Add member shrink_wrapped.
+ * cfgcleanup.c (outgoing_edges_match): If shrink-wrapped, edges that
+ are not jumps or sibcalls can't be compared.
+
+2011-10-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (vn_get_expr_for): Handle CONSTRUCTOR of
+ vector type.
+ (simplify_unary_expression): Handle BIT_FIELD_REFs.
+ (try_to_simplify): Handle BIT_FIELD_REFs.
+
+2011-10-05 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (avr_out_addto_sp): New prototype.
+ * config/avr/avr.c (avr_out_addto_sp): New function.
+ (adjust_insn_length): Handle ADJUST_LEN_ADDTO_SP.
+ * config/avr/avr.md (adjust_len): Add "addto_sp".
+ (*movhi_sp): Remove insn.
+ (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): Merge to *addhi3_sp_R.
+
+2011-10-05 Richard Guenther <rguenther@suse.de>
+
+ * gimple-fold.c (gimple_fold_stmt_to_constant_1): For ternary ops
+ with an embedded expression valueize and fold that as well.
+ * tree-ssa-sccvn.c (try_to_simplify): Also allow SSA name
+ results from gimple_fold_stmt_to_constant_1.
+
+2011-10-05 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (tablejump): Add missing label.
+ (adddi3_internal): Mark operand 0 as early-clobbered.
+ (smaxsi3): Revert previous delta.
+ (adc_internal): Fix whitespace in generated asm.
+ (adc_flags): Likewise.
+
+2011-10-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * expmed.c (expand_mult_highpart_optab): Replace optab_handler
+ with the new widening_optab_handler.
+
+2011-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50609
+ * gimple-fold.c (fold_array_ctor_reference): Also handle
+ vector typed constructors.
+ (fold_ctor_reference): Dispatch to fold_array_ctor_reference
+ for vector typed constructors.
+
2011-10-05 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_emit_binop): New static function.
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