+2006-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
+ style versions.
+ * configure: Rebuilt.
+
+2006-11-13 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
+ return value.
+ (ix86_expand_lfloorceil): Likewise.
+ (ix86_expand_rint): Likewise.
+ (ix86_expand_floorceildf_32): Likewise.
+ (ix86_expand_floorceil): Likewise.
+ (ix86_expand_rounddf_32): Likewise.
+ (ix86_expand_truncdf_32): Likewise.
+ (ix86_expand_round): Likewise.
+
+2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * gcc.c: Organize search path variables into $prefix relative,
+ and well-known native. Add comments.
+ (add_sysrooted_prefix): Add comment.
+ (process_command): If !gcc_exec_prefix add $prefix based paths.
+ If *cross_compile == '0', add native well-known paths.
+ Assert tooldir_base_prefix is always relative.
+ (main): If print_search_dirs, and if gcc_exec_prefix is set,
+ use this value for 'install:' path.
+ * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
+
+2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c: Fix a typo in comment.
+
+2006-11-13 Michael Matz <matz@suse.de>
+
+ * genemit.c (gen_expand): Allocate enough memory.
+
+2006-11-13 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
+ __GXX_TYPEINFO_EQUALITY_INLINE but not
+ __GXX_MERGED_TYPEINFO_NAMES.
+ * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
+ __GXX_MERGED_TYPEINFO_NAMES.
+ * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
+ __GXX_TYPEINFO_EQUALITY_INLINE.
+
+2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
+ Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29680
+ * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
+ PR 14784.
+
+2006-11-12 Jason Merrill <jason@redhat.com>
+ Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/28915
+ * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
+ vector ctors.
+ * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
+ vector ctors.
+ * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
+ * tree.c (build_vector): Handle non-_CST elements.
+
+2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * genemit.c (gen_insn): Call gen_exp with a non-null used
+ when handling multiple insns.
+ (gen_expand): Likewise.
+ * reorg.c (emit_delay_sequence): Copy the delay slot insn.
+ * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
+ (movsi_const_16bit+1): Copy operands[1].
+ (call_pcrel): Copy the call_site pattern.
+ (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
+
+2006-11-12 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
+ condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
+ && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
+ (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
+
+2006-11-12 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/29587
+ * tree-ssa-structalias.c (process_constraint): Don't
+ mark address taken due only to escaped vars constraint.
+
+2006-11-12 Michael Matz <matz@suse.de>
+ Roger Sayle <roger@eyesopen.com>
+
+ PR rtl-optimization/29797
+ * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
+ BITS_BIG_ENDIAN targets.
+
+2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_cosh): New.
+ (fold_builtin_1): Use it.
+ * fold-const.c (negate_mathfn_p): Add llround, lround, round,
+ trunc to the list of "odd" functions. Also add llrint, lrint,
+ rint and nearbyint when flag_rounding_math is false.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-flow.h (name_mappings_registered_p): Declare.
+ * tree-into-ssa.c (name_mappings_registered_p): New function.
+ * tree-cfg.c (tree_can_merge_blocks_p): Check
+ name_mappings_registered_p instead of need_ssa_update_p.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop.c (tree_vectorize): Return the result of
+ vectorize_loops.
+ * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
+ if anything changed.
+ * tree-vectorizer.h (vectorize_loops): Declaration removed.
+ * tree-flow.h (vectorize_loops): Declaration changed.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
+ comments.
+ (issue_prefetch_ref): Move assignment to write_p out of loop.
+ (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
+ SIMULTANEOUS_PREFETCHES into account.
+ (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
+ * lambda-code.c (lcm): Renamed to ...
+ (least_common_multiple): ... and exported.
+ * tree-flow.h (least_common_multiple): Declare.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
+ * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
+ ud-chains. Handle AND_EXPR.
+ (record_estimate): Record whether the estimate is realistic
+ and whether it is derived from a loop exit.
+ (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
+ infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
+ functions.
+ (compute_estimated_nb_iterations): Take only realistic bounds into
+ account. Set estimate_state. Use double_ints.
+ (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
+ and infer_loop_bounds_from_signedness. Do not consider basic blocks
+ that do not have to be always executed.
+ (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
+ to determine whether to call infer_loop_bounds_from_undefined
+ and compute_estimated_nb_iterations.
+ (n_of_executions_at_most): Use double_ints.
+ (free_numbers_of_iterations_estimates_loop): Set estimate_state.
+ (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
+ * double-int.c (double_int_to_tree): Improve comment.
+ (double_int_fits_to_tree_p): New function.
+ * double-int.h (double_int_fits_to_tree_p): Declare.
+ * tree-data-ref.c: Include langhooks.h.
+ (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
+ (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
+ (analyze_array): Do not pass estimate_only argument to
+ analyze_array_indexes.
+ (get_number_of_iters_for_loop): Build tree from the stored double_int
+ value.
+ (get_references_in_stmt, find_data_references_in_stmt): New functions.
+ (find_data_references_in_loop): Use find_data_references_in_stmt.
+ * tree-data-ref.h (struct data_ref_loc_d): New.
+ (get_references_in_stmt): Declare.
+ (estimate_iters_using_array): Declaration removed.
+ * cfgloop.h (struct nb_iter_bound): Change type of bound to
+ double_int. Improve comments. Add is_exit and realistic
+ fields.
+ (struct loop): Changed type of estimated_nb_iterations to double_int.
+ Added estimate_state field.
+ (record_estimate): Declaration removed.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * params.c (set_param_value): Initialize the "set" field.
+ * params.h (struct param_info): Add "set" field.
+ (PARAM_SET_P): New macro.
+ (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
+ L1_CACHE_LINE_SIZE): New macros.
+ * toplev.c (DEFPARAM): Initialize the "set" field.
+ * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
+ SIMULTANEOUS_PREFETCHES): Removed.
+ (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
+ (tree_ssa_prefetch_arrays): Dump the values of the parameters.
+ * config/sparc/sparc.c: Include params.h.
+ (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
+ L1_CACHE_LINE_SIZE parameters.
+ * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
+ Removed.
+ * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
+ Removed.
+ * config/i386/i386.c: Include params.h.
+ (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
+ (override_options): Set SIMULTANEOUS_PREFETCHES and
+ L1_CACHE_LINE_SIZE parameters.
+ * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
+ (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
+ L1_CACHE_LINE_SIZE parameters.
+ * config/ia64/ia64.c (ia64_optimization_options): Set
+ SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
+ * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
+ Removed.
+ * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
+ PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
+ * doc/invoke.texi: Document new params.
+
+2006-11-12 Roger Sayle <roger@eyesopen.com>
+
+ PR tree-optimization/13827
+ * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
+ as ((X^Y)&C) op 0.
+
+2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
+ update_single_exit_for_duplicated_loops): New functions.
+ (duplicate_loop_to_header_edge): Use
+ update_single_exit_for_duplicated_loops.
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
+ functions only with ENABLE_CHECKING.
+
+2006-11-12 Andreas Schwab <schwab@suse.de>
+
+ * except.c (sjlj_emit_function_enter): Remove unused variable.
+
+2006-11-11 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (int_binop_types_match_p): New function.
+ (size_binop): Relax constraint that both arguments must both have
+ exactly the same sizetype type. Instead use int_binop_types_match_p.
+ (size_diffop): Likewise.
+
+ (make_range): Use build_int_cst instead of fold_convert.
+ (fold_cond_expr_with_comparison): Use build_int_cst to construct
+ integer constants of the correct type.
+ (fold_div_compare): Likewise.
+ (fold_single_bit_test): Likewise.
+ (fold_binary): Likewise.
+ * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
+ has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
+
+2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR rtl-opt/28812
+ * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
+ non null value if the struct memory access is in the 0th
+ aliasing set.
+
+2006-11-12 Jie Zhang <jie.zhang@analog.com>
+
+ Revert
+ 2006-11-11 Jie Zhang <jie.zhang@analog.com>
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
+ and __BFIN__.
+
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
+ instead of builtin_define for bfin and BFIN.
+
2006-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ PR middle-end/29335
* builtins.c (do_mpfr_arg3): New.
(fold_builtin_1): Handle builtins fma, fmin and fmax.