2011-10-18 Richard Guenther <rguenther@suse.de>
+ PR tree-optimization/50767
+ * tree-ssa-pre.c (create_expression_by_pieces): Update the
+ folded statement.
+
+2011-10-18 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.c (arm_block_move_unaligned_straight)
+ (arm_adjust_block_mem, arm_block_move_unaligned_loop)
+ (arm_movmemqi_unaligned): New.
+ (arm_gen_movmemqi): Support unaligned block copies.
+
+2011-10-18 Ira Rosen <ira.rosen@linaro.org>
+
+ * doc/md.texi (vec_widen_ushiftl_hi, vec_widen_ushiftl_lo,
+ vec_widen_sshiftl_hi, vec_widen_sshiftl_lo): Document.
+ * tree-pretty-print.c (dump_generic_node): Handle WIDEN_LSHIFT_EXPR,
+ VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+ (op_code_prio): Likewise.
+ (op_symbol_code): Handle WIDEN_LSHIFT_EXPR.
+ * optabs.c (optab_for_tree_code): Handle
+ VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+ (init-optabs): Initialize optab codes for vec_widen_u/sshiftl_hi/lo.
+ * optabs.h (enum optab_index): Add OTI_vec_widen_u/sshiftl_hi/lo.
+ * genopinit.c (optabs): Initialize the new optabs.
+ * expr.c (expand_expr_real_2): Handle
+ VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+ * gimple-pretty-print.c (dump_binary_rhs): Likewise.
+ * tree-vectorizer.h (NUM_PATTERNS): Increase to 8.
+ * tree.def (WIDEN_LSHIFT_EXPR, VEC_WIDEN_LSHIFT_HI_EXPR,
+ VEC_WIDEN_LSHIFT_LO_EXPR): New.
+ * cfgexpand.c (expand_debug_expr): Handle new tree codes.
+ * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
+ vect_recog_widen_shift_pattern.
+ (vect_handle_widen_mult_by_const): Rename...
+ (vect_handle_widen_op_by_const): ...to this. Handle shifts.
+ Add a new argument, update documentation.
+ (vect_recog_widen_mult_pattern): Assume that only second
+ operand can be constant. Update call to
+ vect_handle_widen_op_by_const.
+ (vect_recog_over_widening_pattern): Fix typo.
+ (vect_recog_widen_shift_pattern): New.
+ * tree-vect-stmts.c (vectorizable_type_promotion): Handle
+ widening shifts.
+ (supportable_widening_operation): Likewise.
+ * tree-inline.c (estimate_operator_cost): Handle new tree codes.
+ * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+ * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+ * config/arm/neon.md (neon_vec_<US>shiftl_<mode>): New.
+ (vec_widen_<US>shiftl_lo_<mode>, neon_vec_<US>shiftl_hi_<mode>,
+ vec_widen_<US>shiftl_hi_<mode>, neon_vec_<US>shift_left_<mode>):
+ Likewise.
+ * config/arm/predicates.md (const_neon_scalar_shift_amount_operand):
+ New.
+ * config/arm/iterators.md (V_innermode): New.
+ * tree-vect-slp.c (vect_build_slp_tree): Require same shift operand
+ for widening shift.
+
+2011-10-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.h (struct pt_solution): Remove
+ vars_contains_restrict member.
+ (pt_solutions_same_restrict_base): Remove.
+ (pt_solution_set): Adjust.
+ * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Remove
+ vars_contains_restrict handling.
+ (dump_points_to_solution): Likewise.
+ (ptr_derefs_may_alias_p): Do not call pt_solutions_same_restrict_base.
+ * tree-ssa-structalias.c (struct variable_info): Remove is_restrict_var
+ field.
+ (new_var_info): Do not initialize it.
+ (ipa_escaped_pt): Adjust.
+ (make_constraint_from_restrict): Make the tag global.
+ (make_constraint_from_global_restrict): New function.
+ (make_constraint_from_heapvar): Remove.
+ (create_variable_info_for): Do not make restrict vars point
+ to NONLOCAL.
+ (intra_create_variable_infos): Likewise.
+ (find_what_var_points_to): Remove vars_contains_restrict handling.
+ (pt_solution_set): Adjust.
+ (pt_solution_ior_into): Likewise.
+ (pt_solutions_same_restrict_base): Remove.
+ (compute_points_to_sets): Do not test is_restrict_var.
+ * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
+ * gimple-pretty-print.c (pp_points_to_solution): Likewise.
+
+2011-10-18 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/50672
+ * tree-ssa-dce.c (mark_virtual_operand_for_renaming): New function,
+ factored out of ...
+ (mark_virtual_phi_result_for_renaming): Use
+ mark_virtual_operand_for_renaming.
+ * tree-flow.h (mark_virtual_operand_for_renaming): Declare.
+ * tree-ssa-tail-merge.c (release_last_vdef): New function.
+ (purge_bbs): Add update_vops parameter. Call release_last_vdef for each
+ deleted basic block.
+ (tail_merge_optimize): Add argument to call to purge_bbs.
+
+2011-10-18 Richard Guenther <rguenther@suse.de>
+
PR middle-end/50716
* expr.c (get_object_or_type_alignment): New function.
(expand_assignment): Use it.
* config/sparc/sparc.md (in_call_delay): Fix formatting issues.
-2011-10-17 Michael Spertus <mike_spertus@symantec.com>
-
- * gcc/c-family/c-common.c (c_common_reswords): Add __bases,
- __direct_bases.
- * gcc/c-family/c-common.h: Add RID_BASES and RID_DIRECT_BASES.
-
2011-10-17 Simon Baldwin <simonb@google.com>
Ian Lance Taylor <iant@google.com>
2011-10-17 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50757
- * c-family/c.opt ([Wnonnull]): Add C++ and Objective-C++.
- * doc/invoke.texi: Update.
+ * doc/invoke.texi ([Wnonnull]): Update.
2011-10-17 Richard Henderson <rth@redhat.com>
2011-10-14 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/17212
- * c-family/c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.
- * doc/invoke.texi: Update.
+ * doc/invoke.texi ([Wformat-zero-length]): Update.
2011-10-14 Iain Sandoe <iains@gcc.gnu.org>
(get_continuation_for_phi): ... here. Handle arbitrary number
of PHI args.
-2011-10-11 Paolo Carlini <paolo.carlini@oracle.com>
-
- PR c++/33067
- * c-family/c-pretty-print.c (pp_c_floating_constant): Output
- max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.
-
2011-10-11 Richard Sandiford <richard.sandiford@linaro.org>
* modulo-sched.c: Fix comment typo. Mention the possibility
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