+2006-02-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
+ (debug_flow_info): Pass it.
+ * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
+ * bb-reorder.c (reorder_basic_blocks): Likewise.
+ * cfgcleanup.c (rest_of_handle_jump2): Likewise.
+ * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
+ * flow.c (life_analysis, recompute_reg_usage): Likewise.
+ * gcse.c (gcse_main, bypass_jumps): Likewise.
+ * ifcvt.c (rest_of_handle_if_conversion): Likewise.
+ * local-alloc.c (rest_of_handle_local_alloc): Likewise.
+ * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
+ * profile.c (compute_branch_probabilities, branch_prob): Likewise.
+ * rtl.h (dump_flow_info): Adjust prototype.
+ * tracer.c (rest_of_handle_tracer, tracer): Likewise.
+ * var-tracking.c (variable_tracking_main): Likewise.
+ * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
+ * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
+ options.
+
+2006-02-15 Marcin Dalecki <martin@dalecki.de>
+
+ * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
+ construction.
+
+2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/26209
+ * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
+ * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
+ eh edges.
+ * tree-cfg.c (replace_uses_by): Do not alter cfg.
+
+2006-02-14 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/23670
+ * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
+ (X,Y) and the corresponding symmetry related transformations.
+ (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
+ (X,Y) and its symmetry related transformations.
+
+2006-02-14 Roger Sayle <roger@eyesopen.com>
+
+ * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
+ and GEU.
+
+2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
+
+ * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
+
+2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR bootstrap/26053
+ * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
+ support COMDAT group.
+ * configure: Regenerate.
+
+2006-02-14 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/26279
+ PR middle-end/26280
+ PR middle-end/26283
+ * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
+
+2006-02-14 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26260
+
+ * doc/invoke.texi (max-fields-for-field-sensitive): Document
+ param.
+ * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
+ * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
+ * tree-ssa-structalias.c (create_variable_info_for): Use
+ MAX_FIELDS_FOR_FIELD_SENSITIVE.
+
+2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
+ Document.
+ * tree-ssa-loop-niter.c (number_of_iterations_ne,
+ number_of_iterations_lt, number_of_iterations_cond): Remember the shape
+ of the ending condition.
+ * tree-ssa-loop-manip.c: Include params.h.
+ (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
+ tree_unroll_loop): New functions.
+ * tree-pass.h (pass_loop_prefetch): Declare.
+ * loop.c (rest_of_handle_loop_optimize): Test for
+ -fprefetch-loop-arrays-rtl.
+ * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
+ * timevar.def (TV_TREE_PREFETCH): New timevar.
+ * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
+ pass_loop_prefetch): New.
+ * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
+ (cleanup_tree_cfg_loop): Call scev_reset.
+ * common.opt (fprefetch-loop-arrays-rtl): Add.
+ * tree-ssa-loop-prefetch.c: New file.
+ * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
+ (new_temp_expr_table): Initialize expr_vars.
+ (free_temp_expr_table): Cleanup expr_vars.
+ (check_replaceable, find_replaceable_in_bb): Prevent accumulating
+ expressions from being merged into one.
+ * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
+ (struct tree_niter_desc): Add control, bound and cmp fields.
+ (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
+ Declare.
+ * Makefile.in (tree-ssa-loop-prefetch.o): Add.
+ (tree-cfgcleanup.o): Add SCEV_H dependency.
+ (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
+ * passes.c (init_optimization_passes): Add pass_loop_prefetch.
+
+2006-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26258
+ * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
+ in PHI argument processing.
+
+2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
+
+ * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
+ new expression in the requested machine mode.
+
+2006-02-13 Roger Sayle <roger@eyesopen.com>
+
+ * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
+ directly, instead let do_compare_rtx_and_jump handle this for us.
+ * expr.c (expand_expr_real_1): Likewise.
+ * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
+ before do_jump_by_parts_greater.
+ (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
+ * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
+
+2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
+
+2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26235
+ * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
+ (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
+ format.
+
+2006-02-13 Jeff Law <law@redhat.com>
+
+ * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
+ TRUTH_XOR_EPR.
+
+2006-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/26092
+ * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
+ twice if decl is a builtin. When trying again, call get_callee_fndecl
+ first to verify it is still a builtin.
+
+2006-02-13 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (base_type_die): Don't add AT_name here.
+ (subrange_type_die): Don't add AT_name here.
+ (modified_type_die): Rearrange code flow. Do add AT_name here.
+
+2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26247
+ PR rtl-optimization/26248
+ * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
+
+2006-02-13 Richard Sandiford <richard@codesourcery.com>
+
+ * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
+ * config/fixtfdi.c: Likewise.
+ * config/fixunstfdi.c: Likewise.
+ * config/floatditf.c: Likewise.
+
+2006-02-13 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/24427
+ * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
+ into (X,C2) if C1 is a subset of the bits of C2. Transform
+ (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
+ (X&(C1&~C2))|C2.
+ <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
+
+2006-02-13 Josh Conner <jconner@apple.com>
+
+ PR target/25376
+ * varasm.c (function_section): Check for section name before
+ calling select_section on targets that define
+ USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
+ unlikely_text_section instead of hot_function_section if
+ first_function_block_is_cold.
+
+2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR middle-end/25335
+ * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
+
+2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26222
+ * function.c (assign_stack_temp_for_type): Do not reuse stack slots
+ after tree->rtl expansion.
+ * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
+ before passing it to emit_move_insn.
+
+2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * doc/invoke.texi (-Write-strings): Document that it is enabled by
+ default.
+ * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
+ Clarify documentation.
+ * c-common.h (warn_write_strings): Remove.
+ * c-common.c (warn_write_strings): Likewise.
+ * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
+ default for C++.
+
+2006-02-12 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/25724
+ * dojump.c (do_jump): Call do_compare_rtx_and_jump.
+ (do_jump_parts_zero_rtx): New function renamed from
+ do_jump_parts_equality_rtx. Made static. Add a mode argument.
+ (do_jump_parts_equality_rtx): New function split out from
+ do_jump_parts_equality. Old implementation renamed as above.
+ Call do_jump_parts_zero_rtx if either operand is zero.
+ (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
+ do all of the heavy lifting.
+ (do_compare_rtx_and_jump): Handle multi-word comparisons by
+ calling either do_jump_by_parts_greater_rtx or
+ do_jump_by_parts_equality_rtx.
+ * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
+ * expmed.c (do_cmp_and_jump): Now multi-word optimization has
+ moved to do_compare_rtx_and_jump, call it directly.
+ * stmt.c (do_jump_if_equal): Remove static prototype. Add a
+ mode argument. Call do_compare_rtx_and_jump.
+ (emit_case_nodes): Update calls to do_jump_if_equal.
+
+2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26225
+ * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
+
+2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26232
+ * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
+
+2006-02-11 Jason Merrill <jason@redhat.com>
+
+ PR tree-opt/24365
+ * tree-inline.c (declare_return_variable): Just don't use the
+ modify target if it's a gimple complex reg and the return slot
+ isn't.
+
+2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * doc/contrib.texi: Update my entry.
+
+2006-02-10 Geoffrey Keating <geoffk@apple.com>
+
+ * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
+
+2006-02-10 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
+ expensive.
+
+2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/invoke.texi (-floop-optimize2): Removed.
+ * toplev.c (process_options): Remove handling of flag_loop_optimize2.
+ * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
+ Test flag_branch_on_count_reg only if HAVE_doloop_end.
+ * common.opt (floop-optimize2): Removed.
+ (fmove-loop-invariants): Enabled by default.
+
+2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-if-conv.c (combine_blocks): Free the result of
+ get_loop_exit_edges.
+
+2006-02-10 Jeff Law <law@redhat.com>
+
+ * fold-const.c (tree_expr_nonzero_p): Fix thinko.
+
+ PR tree-optimization/26213
+ * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
+ loop trying to follow SSA_NAME_VALUE chains.
+
+2006-02-10 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
+ deal with structures that end in implicitly variable sized arrays.
+
+2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/24762
+ * df-scan.c (df_bb_refs_record): Record correct registers defined on
+ eh edges.
+
+2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
+ (struct ivopts_data): Add regs_used field.
+ (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
+ (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
+ instead of loop_data->regs_used;
+ (free_loop_data): Do not free aux fields for loops.
+ (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
+ and tree_ssa_iv_optimize_finalize.
+
+2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
+
+2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR target/26141
+ * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
+ computing the effective result type.
+
+2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR inline-asm/16194
+ * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
+ (tree_overlaps_hard_reg_set): Declare.
+ * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
+ type and signature to match function type expected by walk_tree.
+ (tree_overlaps_hard_reg_set): New function.
+ (decl_conflicts_with_clobbers_p): Rename to:
+ (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
+ Use tree_overlaps_hard_reg_set. Changed caller.
+ * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
+ decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
+ * cris.c (cris_md_asm_clobbers): Likewise.
+
+2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload1.c (emit_input_reload_insns): Delete code that tries to
+ inherit using find_equiv_reg.
+
+2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * c-common.h (flag_const_strings): Don't declare.
+ * c-common.c (flag_const_strings): Remove.
+ * c.opt (fconst_strings): Remove.
+ * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
+ <OPT_Wwrite_strings>: Don't set flag_const_strings.
+ (c_common_init_options): Don't set flag_const_strings.
+ * doc/invoke.texi (-fno-const-strings): Remove documentation.
+
+2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.md (tlobits_cbranch): New pattern.
+ * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
+ testing a single bit.
+
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/26179
+ * tree-ssa-pre.c (create_component_ref_by_pieces):
+ Handle RETURN_DECL like VAR_DECL.
+
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/26134
+ * fold-const.c (fold_indirect_ref_1): Fold
+ "*(foo *)&complexfoo" to "__real__ complexfoo"
+ and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
+
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-flow-inline.h (var_can_have_subvars):
+ Volatile variables should not have subvariables.
+
+2006-02-09 Diego Novillo <dnovillo@redhat.com>
+
+ PR 26180
+ * tree-vrp.c (vrp_int_const_binop): Detect overflow when
+ multiplying unsigned values.
+ Tidy comments.
+
+2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (tls_call_delay): Fix oversight.
+
+2006-02-08 Jason Merrill <jason@redhat.com>
+
+ PR c++/25979
+ * tree.def: Elaborate on difference from MODIFY_EXPR.
+ * doc/c-tree.texi (INIT_EXPR): Likewise.
+ * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
+ (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
+ (gimplify_target_expr): Likewise.
+ (gimplify_cond_expr): Remove target handling.
+ (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
+ (gimplify_expr): Clobber it here.
+ (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
+ Do return slot optimization if we have an INIT_EXPR.
+
+ PR tree-opt/24365
+ * tree-inline.c (declare_return_variable): Also clear
+ DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
+
+ PR c++/16405
+ * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
+
+ PR middle-end/22439
+ * gimplify.c (gimplify_one_sizepos): Fix typo.
+
+2006-02-08 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/21417
+ * tree-ssa-threadedge.c (thread_across_edge): Reject threading
+ across a backedge if the control statement at the end of the
+ block is data dependent on other statements in the same block.
+ (record_temporary_equivalences_from_stmts): Remove over-conservative
+ test for threading across backedges.
+
+ * tree-ssa-dce.c (remove_dead_statement): When removing a dead
+ control statement, handle all three special cases in the same
+ manner as they all have the same desired solution. No longer
+ special case edge flag updating when the post dominator is
+ the exit block.
+
+2006-02-08 Roger Sayle <roger@eyesopen.com>
+
+ * tree.def (CHAR_TYPE): Remove.
+ * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
+ * dwarf2out.c (base_type_die, is_base_type): Likewise.
+ (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
+ (gen_string_type_die): Delete unreachable function.
+
+ * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
+ * tree.c (build_int_cst_wide, type_contains_placeholder_1,
+ type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
+ * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
+ * builtins.c (type_to_class): Likewise.
+ * fold-const.c (fold_convert, build_range_check,
+ merge_ranges): Likewise.
+ * expr.c (count_type_elements): Likewise.
+ * c-pretty-print.c (pp_c_type_specifier): Likewise.
+ * stor-layout.c (layout_type): Likewise.
+ * ipa-type-escape.c (type_to_consider): Likewise.
+ * gimplify.c (omp_firstprivatize_type_sizes,
+ gimplify_type_sizes): Likewise.
+ * explow.c (promote_mode): Likewise.
+ * tree-sra.c (is_sra_scalar_type): Likewise.
+ * varasm.c (output_constant): Likewise.
+ * tree-inline.c (remap_type_1): Likewise.
+ * convert.c (convert_to_pointer, convert_to_real,
+ convert_to_integer, convert_to_complex): Likewise.
+
+2006-02-08 Daniel Berlin <dberlin@dberlin.org>
+
+ * df-scan.c (df_def_record_1): A set destination may
+ be a parallel regardless of mode.
+
+2006-02-08 Roger Sayle <roger@eyesopen.com>
+
+ PR target/22209
+ * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
+ * config/mips/_tilib.c: Remove.
+ * config/fixtfdi.c: New libgcc source file.
+ * config/fixunstfdi.c: New source file.
+ * config/floatditf.c: New source file.
+ * config/floatunditf.c: New souce file.
+ * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
+ files above instead of config/mips/_tilib.c.
+ * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
+
+2006-02-08 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/26169
+ * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
+ threading jumps.
+
+2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * df.h (DF_REG_SIZE): Return the length of the initialized
+ part of the array.
+
+2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
+
+ * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
+ __muldf3): Return a correctly signed zero.
+
+2006-02-08 Paolo Bonzini <bonzini@gnu.org>
+
+ * passes.c (register_one_dump_file): Accept the current properties
+ instead of pass number. Adjust call to dump_register. Remove
+ duplicated code.
+ (register_dump_files): Now a wrapper around...
+ (register_dump_files_1): ... this one. Do not modify the pass
+ structure.
+ (next_pass_1): Cosmetic fix.
+ (execute_todo): Keep second parameter only. Use curr_properties
+ instead of fetching it from the pass structure. Check and set
+ last_verified.
+ (execute_one_pass): Handle TODO_set_props. Use curr_properties
+ instead of fetching it from the pass structure. Fix calls to
+ execute_todo. Update curr_properties and initialize .vcg RTL dump
+ after running the pass. Reset last_verified.
+ * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
+ at the beginning.
+ (FIRST_AUTO_NUMBERED_DUMP): New.
+ (dump_register): Remove "num" parameter, assign it within the
+ function.
+ (get_dump_file_name): Modify template for dumps.
+ * tree-dump.h (dump_register): Adjust prototype.
+ * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
+ (PROP_trees): Add PROP_gimple_lomp.
+ (TODO_set_props): New.
+ * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
+ * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
+ * cfgexpand.c (pass_expand): Destroy PROP_trees.
+
+2006-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
+ (sparc64-*-linux*): Likewise.
+ * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
+ * config/sparc/t-linux: New file.
+ * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
+ __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
+ (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
+ -m32 -mlong-double-128.
+
+ * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
+ * config/alpha/t-linux: New file.
+ * config/alpha/libgcc-alpha-ldbl.ver: New file.
+
+ * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
+ __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
+ (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
+ * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
+ __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
+ (CPP_ARCH32_SPEC): Remove.
+
+2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
+
+ PR tree-optimization/26145
+ * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
+ bbs pointer.
+
+2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/26109
+ * pa.c (attr_length_indirect_call): Don't return length 8 for distances
+ >= 240000 when generating code for SOM runtime.
+ (output_indirect_call): Don't use "b,l" instruction for indirect calls
+ to $$dyncall when generating code for SOM runtime..
+
+2006-02-07 Dirk Mueller <dmueller@suse.com>
+
+ PR c++/18150
+ * doc/invoke.texi (-Wsequence-point): Update documentation
+ that -Wsequence-point is implemented for C++ as well.
+
+2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
+ * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
+ (LIB_SPEC): Likewise.
+ * doc/invoke.texi (SPARC options): Document -pthread.
+
+2006-02-07 Geoffrey Keating <geoffk@apple.com>
+
+ * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
+ PIC addresses.
+
+2006-02-07 Roger Sayle <roger@eyesopen.com>
+
+ * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
+ Correct comment describing BOOLEAN_TYPE.
+
+2006-02-07 Dirk Mueller <dmueller@suse.com>
+
+ * c.opt: C++ frontend supports -Wdiv-by-zero.
+ * c-opts.c (c_common_handle_option): Remove dead case.
+
+2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * configure.ac (TLS assembler check): Do not enable TLS by
+ default on SPARC/Solaris before version 10.
+ * configure: Regenerate.
+
+2006-02-07 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/invoke.texi (xl-compat): Document conversion and support
+ routine names.
+
+2006-02-07 Jeff Law <law@redhat.com>
+
+ * tree-vrp.c (find_conditional_asserts): Update comments.
+ (simplify_stmt_for_jump_threading): New.
+ (identify_jump_threads, finalize_jump_threads): New.
+ (vrp_finalize): Call identify_jump_threads.
+ (execute_vrp): Call finalize_jump_threads.
+ * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
+ (vrp_element, vrp_data, vrp_element_p): Remove.
+ (vrp_hash_elt, vrp_variables_stack): Remove.
+ (vrp_hash, vrp_eq, record_range): Remove.
+ (simplify_cond_and_lookup_avail_expr): Remove.
+ (extract_range_from_cond): Remove.
+ (thread_across_edge): Relocated into tree-ssa-threadedge.c.
+ (simplify_stmt_for_jump_threading): New.
+ (dom_thread_across_edge): New wrapper.
+ (tree_ssa_dominator_optimize): No longer initialize or
+ finalize any of the VRP datastructures. Remove iteration
+ step and simplify as a result of removal of iteration step.
+ (pass_dominator): Perform a cfg cleanup after DOM.
+ (dom_opt_finalize_block): Use the new common routines
+ for threading jumps. Simplify stack management slightly.
+ No longer need to unwind VRP state.
+ (record_equivalences_from_incoming_edge): No longer record
+ VRP information.
+ (eliminate_redundant_computations): No longer call
+ simplify_cond_and_lookup_avail_expr.
+ * tree-flow.h (potentially_threadable_block): Prototype.
+ (thread_across_edge): Likewise.
+ * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
+ (tree-ssa-threadedge.o): Add dependencies.
+ * tree-ssa-threadedge.c: New file.
+ * passes.c (init_optimization_passes): Merge PHIs before
+ calling VRP. Run VRP again late in the SSA optimization pipeline.
+
+2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * df-core.c (df_set_blocks): Do not dereference function pointers.
+ (df_finish1): Likewise.
+ (df_hybrid_search_forward): Likewise.
+ (df_hybrid_search_backward): Likewise.
+ (df_iterative_dataflow): Likewise.
+ (df_analyze_problem): Likewise.
+ (df_compact_blocks): Likewise.
+ (df_dump): Likewise.
+ * df-scan.c (df_rescan_blocks): Likewise.
+ (df_record_entry_block_defs): Likewise.
+
+ * genconditions.c (write_conditions): Guard the definition of
+ 'insn_conditions' with the check on GCC version.
+ (write_writer): Guard the traversal 'insn_conditions' with
+ the check on GCC version.
+
+2006-02-07 Richard Guenther <rguenther@suse.de>
+
+ PR c++/26140
+ Revert
+ 2006-01-30 Richard Guenther <rguenther@suse.de>
+ PR c++/23372
+ * gimplify.c (gimplify_target_expr): Handle easy cases
+ without creating a temporary.
+
+2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
+
+ * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
+ use of float in probability computations. Use edge probabilities
+ in place of statically computed probabilities.
+ (min_spec_prob): New static variable.
+ (schedule_insns): Initialize it.
+ (GET_SRC_PROB): Removed.
+ * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
+
+2006-02-07 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/24444
+ * config/ia64/unwind-ia64.c: Revert last change.
+ * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
+ (INCOMING_FRAME_SP_OFFSET): Define.
+
+2006-02-06 Roger Sayle <roger@eyesopen.com>
+
+ * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
+
+2006-02-07 Ben Elliston <bje@au.ibm.com>
+
+ * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
+ (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
+ (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
+ (ix86_return_in_memory): Handle TDmode.
+ (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
+ (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
+
+2006-02-06 Richard Sandiford <richard@codesourcery.com>
+
+ * reorg.c (dbr_schedule): Use dump_file instead of file.
+
+2006-02-06 Steve Ellcey <sje@cup.hp.com>
+
+ PR target/25917
+ * config/ia64/predicates.md (extr_len_operand): New predicate.
+ * config/ia64/ia64.md (extv): Tighten constraints.
+ (extzv): Ditto.
+ (*tbit_and_2): Ditto.
+ (*tbit_and_3): Ditto.
+ (*tbit_or_2): Ditto.
+ (*tbit_or_3): Ditto.
+ (*bit_zero): Ditto.
+ (*bit_one): Ditto.
+
+2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR target/23359
+ * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
+
+2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-vrp.c (execute_vrp): Do not pass dump argument to.
+ loop_optimizer_init and loop_optimizer_finalize
+ * tree-ssa-sink.c (execute_sink_code): Ditto.
+ * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
+ * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
+ tree_ssa_loop_done): Ditto.
+ * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
+ * sched-ebb.c: Include output.h.
+ (schedule_ebbs): Do not use dump argument.
+ * value-prof.h (struct profile_hooks): Remove profile_dump_file.
+ * loop.c (loop_dump_stream): Removed.
+ (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
+ argument.
+ (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
+ emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
+ final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
+ loop_iterations, strength_reduce, record_biv, record_giv,
+ final_giv_value, check_final_value, check_ext_dependent_givs,
+ combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
+ try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
+ dump_file instead of loop_dump_stream.
+ * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
+ argument dump_file.
+ * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
+ dump argument.
+ * flow.c (life_analysis, rest_of_handle_life): Ditto.
+ * haifa-sched.c: Include output.h
+ (schedule_insns, sched_init): Do not use dump argument.
+ * mode-switching.c (optimize_mode_switching): Ditto.
+ * modulo-sched.c (stats_file): Removed.
+ (print_node_sched_params): Do not call argument dump_file.
+ (sms_schedule_by_order, loop_canon_p, sms_schedule,
+ rest_of_handle_sms): Do not use dump argument. Use dump_file instead
+ of stats_file.
+ * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
+ use dump argument.
+ * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
+ rtl_loop_init, rtl_loop_done): Ditto.
+ * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
+ * predict.c (combine_predictions_for_bb, tree_estimate_probability):
+ Ditto.
+ * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
+ * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
+ * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
+ rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
+ * emit-rtl.c (renumber_insns): Ditto.
+ * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
+ expand_gimple_basic_block, tree_expand_cfg): Ditto.
+ * regclass.c (regclass): Ditto.
+ * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
+ remove_ssa_form, rewrite_out_of_ssa): Ditto.
+ * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
+ convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
+ Ditto.
+ * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
+ * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
+ to regclass.
+ * gcse.c (gcse_file, debug_stderr): Removed.
+ (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
+ rest_of_handle_gcse): Do not use dump argument.
+ (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
+ one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
+ pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
+ compute_code_hoist_vbeinout, compute_code_hoist_data,
+ one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
+ compute_store_table, build_store_vectors, insert_insn_start_bb,
+ insert_store, remove_reachable_equiv_notes, replace_store_insn,
+ store_motion): Use dump_file instead of gcse_file.
+ * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
+ * profile.c (profile_dump_file): Removed.
+ (branch_prob): Use dump_file instead of profile_dump_file.
+ * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
+ dump_file.
+ * tree-ssa-copy.c (dump_copy_of): Ditto.
+ * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
+ dump file to life_analysis.
+ * bt-load.c (branch_target_load_optimize): Ditto.
+ * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
+ renumber_insns.
+ * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
+ regclass, dbr_schedule): Declaration changed.
+ * sched-int.h (sched_init): Declaration changed.
+ * tree-profile.c (tree_profile_dump_file): Removed.
+ (tree_profile_hooks): Removed profile_dump_file hook.
+ * rtl-profile (rtl_profile_dump_file): Removed.
+ (rtl_profile_hooks): emoved profile_dump_file hook.
+ * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
+ changed.
+ * c-gimplify.c (c_genericize): Do not call local variable dump_file.
+ * tree-cfg.c (build_tree_cfg): Ditto.
+ * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
+ * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
+ Declaration changed.
+ * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
+ life_analysis and schedule_insns.
+ * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
+ life_analysis.
+ * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
+ dbr_schedule.
+ * config/mips/mips.c (mips_reorg): Ditto.
+ * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
+ schedule_ebbs.
+
+2006-02-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
+ (s390_mangle_fundamental_type): New.
+ * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
+ Define.
+
+ * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
+ (alpha_mangle_fundamental_type): New.
+ * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
+ Define.
+
+ * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
+ Define.
+ * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
+ Define.
+ * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
+ (sparc_mangle_fundamental_type): New.
+
+2006-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
+ (s390x-*-linux*): Likewise.
+ * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
+ * config/s390/t-linux: New file.
+
+2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
+ sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
+
2006-02-06 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.