+2006-01-19 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
+ (expand_compound_operation, expand_field_assignment): Fail if the
+ bit lengths of an extract operation are out of range.
+ (make_extraction): Compute wanted_inner_mode based on the position
+ and length of the extraction. Make it extraction_mode for non-constant
+ positions, and do not modify offset in that case. When generating a
+ new MEM, use a mode that can hold the extraction while keeping correct
+ alignment. Remove code that supported MEMs wrapped by USEs.
+ (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
+
+2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("Y", "y"): New mode attribute.
+ ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
+ "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
+ "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
+ "*addsi3_imm_cc", "*addsi3_carry1_cc",
+ "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
+ "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
+ "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
+ "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
+ "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
+ "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
+ "addsi3", "subsi3"): Insn patterns removed.
+ ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
+ "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
+ "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
+ "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
+ "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
+ "*sub<mode>3_cconly2"): New insn patterns.
+ ("addsi3", "subsi3"): New expanders.
+
+2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
+
+ * Makefile.in (tree-vect-patterns.o): Add rule for new file.
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
+ existing STMT_VINFO_VECTYPE if available.
+ (vect_mark_relevant): Add special handling for stmts that are
+ marked as STMT_VINFO_IN_PATTERN_P.
+ (vect_analyze_loop): Call vect_pattern_recog.
+ * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
+ * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
+ stmt_info.
+ (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
+ (vect_recog_func_ptr): New function-pointer type.
+ * tree-vect-patterns.c: New file.
+ (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
+ (vect_recog_dot_prod_pattern, vect_pattern_recog):
+ (vect_pattern_recog_1): New functions.
+ (vect_pattern_recog_funcs): New array of function pointers.
+
+ * tree-vectorizer.h (ternary_op): New enum value.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
+ declaration. Revised documentation. Removed redundant dump prints.
+ Removed redundant argument. Added support for reduction patterns.
+ (vectorizable_reduction): Added support for reduction patterns.
+ (vect_transform_stmt): Added support for patterns.
+
+ * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
+ * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
+ * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
+ (expand_widen_pattern_expr): New function.
+ (init_optabs): Initialize new optabs udot_prod_optab,
+ sdot_prod_optab.
+ * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
+ (sdot_prod_optab, udot_prod_optab): Define new optabs.
+ (expand_widen_pattern_expr): New function declaration.
+ * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
+ tree-codes.
+ * tree-inline.c (estimate_num_insns_1): Added cases for new
+ tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
+ * tree-pretty-print.c (dump_generic_node): Likewise.
+ (op_prio): Likewise.
+ (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
+ * tree-ssa-operands.c (get_expr_operands): Added case for
+ DOT_PROD_EXPR.
+ * tree-vect-patterns.c (widened_name_p): New function.
+ (vect_recog_dot_prod_pattern): Added function implementation.
+ * tree-vect-transform.c (get_initial_def_for_reduction): Added
+ cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
+ * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
+ * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
+
+ * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
+ * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
+ * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
+ (init_optabs): Initialize new optabs widen_ssum_optab,
+ widen_usum_optab.
+ * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
+ (widen_ssum_optab, widen_usum_optab): Define new optabs.
+ * tree-vect-generic.c: (expand_vector_operations_1): Check type of
+ use instead of type of def.
+ * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
+ function implementation.
+ * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
+ widen_ssumv8hi): New.
+
+ * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
+ patterns.
+
+2006-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ PR c/25805
+ * c-decl.c (add_flexible_array_elts_to_size): New function.
+ (finish_decl): Use it.
+
2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
* diagnostic.h: Include options.h.