+2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add comments to the fields.
+ Remove the b_unconditional field.
+ (noce_try_sign_mask): Do not look at b_unconditional.
+ (noce_process_if_block): Do not use merge_if_blocks. Update
+ the CFG here. Do not set b_unconditional.
+ (cond_move_process_if_block): Likewise.
+ (find_cond_trap): Likewise.
+ (check_cond_move_block): Require simple jump insns at the end
+ of the basic block.
+
+2007-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/1046
+ * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
+ when alias info is not ready.
+ (pass_tail_recursion): Do not require aliasing.
+ * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
+ * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
+ * tree-ssa-copy.c (pass_copy_prop): Likewise.
+ * tree-ssa-forwprop.c (pass_forwprop): Likewise.
+ * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
+ * passes.c (init_optimization_passes): Execute rename_ssa_copies,
+ ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
+ before inlining.
+ * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
+ When aliasing is not build, mark statement as volatile.
+
+2007-01-11 Tom Tromey <tromey@redhat.com>
+
+ PR preprocessor/15185, PR preprocessor/20989:
+ * doc/cppopts.texi <-MT>: Update description of algorithm for
+ computing default target.
+ <-M, -MD>: Reword "basename" text.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_pow, expand_builtin_powi,
+ fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
+ fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
+ fold_builtin_int_int_roundingfn, fold_builtin_bitop,
+ fold_builtin_bswap, real_constp, fold_builtin_pow,
+ fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
+ do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
+ uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ * convert.c (convert_to_pointer): Likewise.
+ * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
+ * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
+ const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real,
+ fold_convert_const_real_from_real, sign_bit_p,
+ optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_comparison,
+ fold_binary, multiple_of_p, tree_Expr_non_zero_p,
+ fold_negate_const, fold_abs_const, fold_not_const): Likewise.
+ * print-tree.c (print_node_brief, print_node): Likewise.
+ * stor-layout.c (place_field, layout_type): Likewise.
+ * tree-chrec.c (keep_cast): Likewise.
+ * tree.c (build_vector, build_real, build_real_from_int_cst,
+ build_complex): Likewise.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
+ treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
+
+2007-01-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac (strict1_warn): Rename to strict_warn.
+ (WERROR, --enable-werror, symlink hacks, stage1_cflags,
+ cc_set_by_configure, quoted_cc_set_by_configure,
+ stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
+ all_boot_languages, all_stagestuff): Remove.
+ (target_list): Remove bootstrap targets.
+ * Makefile.in (quickstrap): Unconditionally make a synonym of all.
+ (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
+ REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
+ SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
+ VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
+ STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
+ stage1_copy, stage2_build, stage2_copy, stageprofile_build,
+ stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
+ stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
+ bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
+ bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
+ unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
+ restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
+ cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
+ *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
+ stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
+ stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
+ risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
+ (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
+ (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
+ (mostlyclean): Adjust.
+ (clean, distclean): Don't mention bootstrap stuff.
+ * configure: Regenerate.
+ * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
+ java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
+ treelang/config-lang.in (stagestuff): Remove.
+ * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
+ stageprofile, stagefeedback, stagestuff): Remove mention.
+
+2007-01-11 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/predicates.md (mcore_general_movesrc_operand):
+ Accept CONSTs.
+ (mcore_general_movdst_operand): Do not accept CONST_INTs.
+ (mcore_arith_K_S_operand): Run the test for the S constraint not
+ the test for the M constraint.
+ (mcore_addsub_operand): Do not accept integer values that are
+ larger than 32 bits.
+ * config/mcore/mcore.md: Remove unused constraints from split.
+ (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
+ (addsi3): Likewise.
+ (allocate_stack): Likewise.
+ * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
+ operands to 32 bits.
+ (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
+ INTVAL.
+ (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
+ mcore_const_ok_for_inline, mcore_const_trick_uses_not,
+ try_constant_tricks, mcore_num_ones, mcore_num_zeros,
+ mcore_output_bclri, mcore_output_andn, output_inline_const,
+ mcore_output_move, mcore_output_movedouble): Likewise.
+ (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
+ (output_inline_const): Likewise.
+ (output_inline_const): Fix format strings used in sprintf
+ statements.
+ * config/mcore/mcore-protos.h: Update prototypes for changed
+ functions in mcore.c.
+ * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
+ HOST_WIDE_INT and not int.
+ (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
+ CONST_OK_FOR_N): Likewise.
+ (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
+ (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
+ an INTVAL.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (remove_range_assertions): Release defs.
+ * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
+ * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
+
+2007-01-10 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
+ * config/arm/arm.md (mulsi3subsi): New insn.
+
+2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
+ (tree_transform_and_unroll_loop): New.
+ * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
+ Declare.
+
+2007-01-10 Robert Kennedy <jimbob@google.com>
+
+ * fold-const.c (fold_comparison): Fold comparisons like (x *
+ 1000 < 0) to (x < 0).
+
+2007-01-10 Ian Lance Taylor <iant@google.com>
+
+ * tree-pretty-print.c (dump_generic_node): Print parentheses when
+ operands have the same priority.
+
+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
+ (fold_binary): Likewise.
+ * langhooks.c (lhd_can_use_bit_fields_p): Removed.
+ * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+ (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
+ * langhooks.h (struct lang_hooks): Removed field
+ 'can_use_bit_fields_p'.
+
+2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
+
+2007-01-10 Razya Ladelsky <razya@il.ibm.com>
+
+ * function.c (get_last_funcdef_no): New function.
+ * function.h (get_last_funcdef_no): Declare.
+ * tree-inline.c (initialize_cfun): Add initialization.
+ (tree_function_versioning): Cleanup.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
+ PHIs.
+
+2007-01-10 Sa Liu <saliu@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
+ for SAVE_NONLOCAL and Pmode for any other save level.
+ * spu-protos.h (spu_restore_stack_block): Declare.
+ * spu.md (save_stack_block): Remove.
+ (restore_stack_block): Call spu_restore_stack_block.
+ * spu.c (spu_restore_stack_block): New function.
+ (spu_expand_epilogue): Remove old comment.
+
+2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30322
+ * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
+ (cand_value_at): Return the value as aff_tree.
+ (may_eliminate_iv): Convert the bound from aff_tree to tree.
+ * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
+ aff_combination_mult): New functions.
+ (aff_combination_add): Use aff_combination_add_cst.
+ (aff_combination_convert): Allow conversions to a wider type.
+ (tree_to_aff_combination): Handle BIT_NOT_EXPR.
+ * tree-affine.h (aff_combination_mult): Declare.
+
+2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/tm.texi: Update documentation to reflect reality of exec
+ and start file search behaviours. Update copyright year.
+ * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
+ header file directories.
+
+2007-01-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
+ (*cosxf2): Rename to cosxf2_i387.
+
+ (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
+ using X87MODEF12 mode macro. Rename patterns to
+ *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
+ for SSE math.
+ (*cosdf2, *cossf2): Ditto.
+ (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
+ to match extended input operands.
+
+ (sincos<mode>3): New expander.
+
+ (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
+ insn patterns and corresponding splitters.
+