+2011-10-07 Richard Henderson <rth@redhat.com>
+
+ * config/i386/predicates.md (avx2_pblendw_operand): New.
+ * config/i386/sse.md (sse4_1_pblendw): Un-macroize.
+ (avx2_pblendw, *avx2_pblendw): New expander and insn.
+
+2011-10-07 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (bdesc_args): Update code for
+ __builtin_ia32_palignr256. Change type of __builtin_ia32_pslldqi256,
+ and __builtin_ia32_psrldqi256 to V4DI_FTYPE_V4DI_INT_CONVERT.
+ (ix86_expand_args_builtin): Handle V4DI_FTYPE_V4DI_INT_CONVERT.
+ * config/i386/sse.md (mode iterator V16): Add V2TI.
+ (mode iterator SSESCALARMODE): Use V2TI not V4DI.
+ (mode attr ssse3_avx2): Add V2TI.
+ (avx2_lshrqv4di3, avx2_lshlqv4di3): Remove.
+
+2011-10-07 David S. Miller <davem@davemloft.net>
+
+ PR 50655
+ * configure.ac: Add .register directives to VIS3 test.
+ * configure: Regenerate.
+
+2011-10-07 Richard Henderson <rth@redhat.com>
+
+ * config.gcc (x86_64-*): Add core-avx-i, core-avx2 for with_cpu.
+
+2011-10-07 Richard Henderson <rth@redhat.com>
+
+ PR 49752
+ * fold-const.c (fold_checksum_tree): Remove out-of-date assert.
+
+2011-10-07 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/arm/predicates.md (shift_amount_operand): Remove constant
+ range check.
+ (shift_operator): Check range of constants for all shift operators.
+
+2011-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_emit_tls_call_insn): Remove assertion.
+ Load GOT pointer for non-pic builds.
+ (s390_load_got): Replace pic_offset_table_rtx with hardcoded r12.
+ (s390_emit_call): Likewise.
+
+2011-10-07 Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/50527
+ * tree.c (build_common_builtin_nodes): Add local_define_builtin for
+ * builtins.c (expand_builtin_alloca): Handle BUILT_IN_ALLOCA_WITH_ALIGN
+ * tree-ssa-ccp.c (evaluate_stmt): Set align for
+ * builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN): Declare using
+ * ipa-pure-const.c (special_builtin_state): Handle
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1)
+ * function.c (gimplify_parameters): Lower vla to
+ * gimplify.c (gimplify_vla_decl): Same.
+ * cfgexpand.c (expand_call_stmt): Handle BUILT_IN_ALLOCA_WITH_ALIGN.
+ * tree-mudflap.c (mf_xform_statements): Same.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
+ * varasm.c (incorporeal_function_p): Same.
+ * tree-object-size.c (alloc_object_size): Same.
+ * gimple.c (gimple_build_call_from_tree): Same.
+
+2011-10-07 Bernd Schmidt <bernds@codesourcery.com>
+
+ * function.c (frame_required_for_rtx): Remove function.
+ (requires_stack_frame_p): New arg set_up_by_prologue. All callers
+ changed. Compute a set of mentioned registers and compare against
+ the new arg rather than calling frame_required_for_rtx.
+ (thread_prologue_and_epilogue_insns): Compute the set_up_by_prologue
+ reg set. Convert the unconverted_simple_returns mechanism to store
+ jump insns rather than their basic blocks. Also check the
+ orig_entry_edge destination for new blocks.
+
+2011-10-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/50650
+ * tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): Don't
+ call vect_is_simple_cond here, instead fail if cond_expr isn't
+ COMPARISON_CLASS_P or if get_vectype_for_scalar_type returns NULL
+ for cond_expr's first operand.
+ * tree-vect-stmts.c (vect_is_simple_cond): Static again.
+ * tree-vectorizer.h (vect_is_simple_cond): Remove prototype.
+
+2011-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md (DWH, dwh): New mode macros.
+ ("umulsidi3"): Extend to support "umulditi3" as well.
+
+2011-10-07 Uros Bizjak <ubizjak@gmail.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/50603
+ * config/i386/i386.c (ix86_fixup_binary_operands): Force src2 of
+ integer PLUS RTX to a register to improve address combine.
+
+2011-10-06 Richard Henderson <rth@redhat.com>
+
+ * combine-stack-adjust.c (maybe_move_args_size_note): Add after
+ parameter; use it to decide whether to merge two notes.
+ (combine_stack_adjustments_for_block): Use maybe_move_args_size_note
+ for the deallocation case as well.
+
+2011-10-06 Anatoly Sokolov <aesok@post.ru>
+
+ * system.h (OUTPUT_ADDR_CONST_EXTRA): Poison.
+ * doc/tm.texi.in (OUTPUT_ADDR_CONST_EXTRA): Remove documentation.
+ * doc/tm.texi: Regenerate.
+ * target.def (output_addr_const_extra): Use
+ hook_bool_FILEptr_rtx_false.
+ * targhooks.c (default_asm_output_addr_const_extra): Remove.
+ * targhooks.h (default_asm_output_addr_const_extra): Remove.
+ * hooks.c (hook_bool_FILEptr_rtx_false): New functions.
+ * hooks.h (hook_bool_FILEptr_rtx_false): Declare.
+
+2011-10-06 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.md (popcount<mode>2, clz<mode>2): Split up into...
+ (popcountdi2, popcountsi2, clzdi2, clzsi2): Explicit expanders, in the
+ SI mode 64-bit code gen case explicitly zero-extend and truncate.
+ (*popcount<mode>_sp64): Split up into...
+ (*popcountdi_sp64, *popcountsi_64): Explicit instantiations, and in the
+ SImode case use truncate.
+ (*clzsi_sp64): Rewrite to use truncate, and let the expander emit the
+ subtract so the compiler can optimize it.
+ (SIDI): Remove unused mode iterator.
+
+2011-10-06 Bernd Schmidt <bernds@codesourcery.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Emit split prologue
+ on the orig_entry_edge. Don't account for it in prologue_clobbered.
+
+2011-10-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/50596
+ * tree-vectorizer.h (vect_is_simple_cond): New prototype.
+ (NUM_PATTERNS): Change to 6.
+ * tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern): New
+ function.
+ (vect_vect_recog_func_ptrs): Add vect_recog_mixed_size_cond_pattern.
+ (vect_mark_pattern_stmts): Don't create stmt_vinfo for def_stmt
+ if it already has one, and don't set STMT_VINFO_VECTYPE in it
+ if it is already set.
+ * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Handle
+ COND_EXPR in pattern stmts.
+ (vect_is_simple_cond): No longer static.
+
+2001-10-06 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_vshuffle): Add AVX2 support.
+ * config/i386/sse.md (sseshuffint): Remove.
+ (sseintvecmode): Support V16HI, V8HI, V32QI, V16QI.
+ (VSHUFFLE_AVX2): New mode iterator.
+ (vshuffle<mode>): Use it.
+ (avx_vec_concat<V_256>): Rename from *vec_concat<V_256>_avx.
+
+ * config/i386/i386.c (ix86_expand_sse_movcc): Use correct mode
+ for vector_all_ones_operand.
+ (ix86_expand_int_vcond): Distinguish between comparison mode
+ and data mode. Allow them to differ.
+ (ix86_expand_vshuffle): Don't force data mode to match maskmode.
+
+2001-10-06 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (expand_vec_shuffle_expr): Use the proper mode for the
+ mask operand. Tidy the code.
+
+2011-10-06 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-patterns.c (vect_pattern_recog_1): Use
+ vect_recog_func_ptr typedef for the first argument.
+ (vect_pattern_recog): Rename vect_recog_func_ptr variable
+ to vect_recog_func, use vect_recog_func_ptr typedef for it.
+
+ PR tree-optimization/49279
+ * tree-ssa-structalias.c (find_func_aliases): Don't handle
+ CAST_RESTRICT.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Allow
+ restrict propagation.
+ * tree-ssa.c (useless_type_conversion_p): Don't return false
+ if TYPE_RESTRICT differs.
+
+2011-10-06 Bernd Schmidt <bernds@codesourcery.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Build a vector
+ of unconverted simple return blocks rather than trying to
+ recompute them later based on bb_flags bitmap tests.
+
+2011-10-06 Michael Matz <matz@suse.de>
+
+ * tree-flow.h (get_var_ann): Don't declare.
+ * tree-flow-inline.h (get_var_ann): Remove.
+ (set_is_used): Use var_ann, not get_var_ann.
+ * tree-dfa.c (add_referenced_var): Inline body of get_var_ann.
+ * tree-profile.c (gimple_gen_edge_profiler): Call
+ find_referenced_var_in.
+ (gimple_gen_interval_profiler): Ditto.
+ (gimple_gen_pow2_profiler): Ditto.
+ (gimple_gen_one_value_profiler): Ditto.
+ (gimple_gen_average_profiler): Ditto.
+ (gimple_gen_ior_profiler): Ditto.
+ (gimple_gen_ic_profiler): Ditto plus call add_referenced_var.
+ (gimple_gen_ic_func_profiler): Call add_referenced_var.
+ * tree-mudflap.c (execute_mudflap_function_ops): Call
+ add_referenced_var.
+
+2011-10-06 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-patterns.c (vect_handle_widen_mult_by_const): For lhs
+ don't set SSA_NAME_DEF_STMT that has been already set by
+ gimple_build_assign_with_ops.
+ (vect_recog_pow_pattern, vect_recog_widen_sum_pattern,
+ vect_operation_fits_smaller_type, vect_recog_over_widening_pattern):
+ Likewise.
+
+ * tree.h (avoid_folding_inline_builtin): New prototype.
+ * builtins.c (avoid_folding_inline_builtin): No longer static.
+ * gimple-fold.c (gimple_fold_builtin): Give up if
+ avoid_folding_inline_builtin returns true.
+
+2011-10-06 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-generic.c (vector_element): Look at previous
+ generated results.
+
+2011-10-06 David Edelsohn <dje.gcc@gmail.com>
+
+ PR target/39950
+ * config/rs6000/aix.h (TARGET_OS_AIX_CPP_BUILTINS): Define
+ __powerpc__, __PPC__, __unix__.
+
+2011-10-06 Michael Matz <matz@suse.de>
+
+ * i386/i386.opt (recip_mask, recip_mask_explicit,
+ x_recip_mask_explicit): New variables and cl_target member.
+ (mrecip=): New option.
+ * i386/i386.h (RECIP_MASK_DIV, RECIP_MASK_SQRT, RECIP_MASK_VEC_DIV,
+ RECIP_MASK_VEC_SQRT, RECIP_MASK_ALL, RECIP_MASK_NONE): New bitmasks.
+ (TARGET_RECIP_DIV, TARGET_RECIP_SQRT, TARGET_RECIP_VEC_DIV,
+ TARGET_RECIP_VEC_SQRT): New tests.
+ * i386/i386.md (divsf3): Check TARGET_RECIP_DIV.
+ (sqrt<mode>2): Check TARGET_RECIP_SQRT.
+ * i386/sse.md (div<mode>3): Check TARGET_RECIP_VEC_DIV.
+ (sqrt<mode>2): Check TARGET_RECIP_VEC_SQRT.
+ * i386/i386.c (ix86_option_override_internal): Set recip_mask
+ for -mrecip and -mrecip=options.
+ (ix86_function_specific_save): Save recip_mask_explicit.
+ (ix86_function_specific_restore): Restore recip_mask_explicit.
+
+ * doc/invoke.texi (ix86 Options): Document the new option.
+
+2011-10-06 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR target/49049
+ * config/arm/arm.md (arm_subsi3_insn): Lose the last alternative.
+
+2011-10-06 Ulrich Weigand <ulrich.weigand@linaro.org>
+
+ PR target/50305
+ * config/arm/arm.c (arm_legitimize_reload_address): Recognize
+ output of a previous pass through legitimize_reload_address.
+ Do not attempt to optimize addresses if the base register is
+ equivalent to a constant.
+
+2011-10-06 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Mark
+ last_bb_active as possibly unused. It is unused for targets which
+ do neither have "return" nor "simple_return" expanders.
+
+2011-10-06 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_ternary_loc): Also fold non-constant
+ vector CONSTRUCTORs. Make more efficient.
+ * tree-ssa-dom.c (cprop_operand): Don't handle virtual operands.
+ (cprop_into_stmt): Don't propagate into virtual operands.
+ (optimize_stmt): Really dump original statement.
+
+2011-10-06 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (smin3): Revert previous delta.
+
+2011-10-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38884
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle partial
+ reads from aggregate SSA names.
+
+2011-10-05 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vect-patterns.c (vect_pattern_recog_1): Add stmts_to_replace
+ argument, truncate it at the beginning instead of allocating there
+ and freeing at the end.
+ (vect_pattern_recog): Allocate stmts_to_replace here and free at end,
+ pass its address to vect_pattern_recog_1.
+
+2011-10-05 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.opt (POPC): New option.
+ * doc/invoke.texi: Document it.
+ * config/sparc/sparc.c (sparc_option_override): Enable MASK_POPC by
+ default on Niagara-2 and later.
+ * config/sparc/sparc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
+ * config/sparc/sparc.md (SIDI): New mode iterator.
+ (ffsdi2): Delete commented out pattern and comments.
+ (popcount<mode>2, clz<mode>2): New expanders.
+ (*popcount<mode>_sp64, popcountsi_v8plus, popcountdi_v8plus,
+ *clzdi_sp64, clzdi_v8plus, *clzsi_sp64, clzsi_v8plus): New insns.
+
+2011-10-06 Artjoms Sinkarovs <artyom.shinkaroff@gmail.com>
+
+ PR middle-end/50607
+ * c-tree.h (c_expr_t): New typedef for struct c_expr.
+ (C_EXPR_APPEND): New macro.
+ * c-parser.c (c_parser_get_builtin_args): Preserve
+ original_tree_code of c_expr structure.
+ (c_parser_postfix_expression): Adjust to the new function.
+
+2011-10-05 Bernd Schmidt <bernds@codesourcery.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't shrink-wrap
+ if profiling after the prologue.
+
+2011-10-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/50613
+ * tree-ssa-strlen.c (find_equal_ptrs): If CASE_CONVERT
+ operand is ADDR_EXPR, fallthru into ADDR_EXPR handling,
+ and if it is neither that not SSA_NAME, give up.
+
+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
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