+2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
+ gcc_assert instead of abort.
+ (classify_argument, examine_argument, construct_container,
+ contains_128bit_aligned_vector_p, ix86_check_movabs,
+ standard_80387_constant_opcode, standard_80387_constant_rtx,
+ ix86_initial_elimination_offset, ix86_compute_frame_layout,
+ pro_epilogue_adjust_stack, ix86_expand_epilogue,
+ ix86_address_cost, legitimate_address_p, legitimize_pic_address,
+ legitimize_tls_address, output_pic_addr_const,
+ i386_output_dwarf_dtprel, put_condition_code, print_reg,
+ get_some_local_dynamic_name, print_operand, print_operand_address,
+ output_387_binary_op, emit_i387_cw_initialization,
+ output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
+ ix86_expand_clear, ix86_expand_binary_operator,
+ ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
+ ix86_cc_modes_compatible, ix86_fp_comparison_codes,
+ ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
+ ix86_expand_branch, ix86_expand_setcc,
+ ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
+ ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
+ ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
+ memory_address_length, ix86_attr_length_immediate_default,
+ ix86_attr_length_address_default, ix86_agi_dependant,
+ x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
+ ix86_expand_binop_builtin, ix86_force_to_memory,
+ ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
+ x86_emit_floatuns): Likewise.
+ * config/i386/netware.c (gen_regparm_prefix,
+ i386_nlm_strip_name_encoding): Likewise.
+ * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
+
+2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * optabs.c (gen_condiational_trap): Remove #define.
+ (add_equal_note): Assertify. Remove explicit indirection from
+ call via function pointer.
+ (expand_ternary_op, expand_simple_binop, expand_binop,
+ expand_twoval_unop, expand_twoval_binop,
+ expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
+ emit_unop_insn, emit_no_conflict_block, prepare_cmp_insn,
+ prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
+ prepare_float_lib_cmp, emit_conditional_move,
+ emit_conditional_add, gen_add2_insn, gen_add3_insn,
+ have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
+ expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
+ vector_compare_rtx, expand_vec_cond_expr): Likewise.
+
+2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * vec.h: Update API to separate allocation mechanism from type.
+ (VEC_safe_grow): New.
+ * vec.c (calculate_allocation): New.
+ (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
+ (vec_gc_free, vec_heap_free): Remove.
+ * gengtype-lex.l (DEF_VEC_): Process mult-argument macros. Adjust.
+ (VEC): Likewise.
+ (mangle_macro_name): New.
+ (struct macro_def): New.
+ (struct macro): Add multiple argument values.
+ (macro_expans_end): New.
+ (push_macro_expansion): Chain on new macro. Process multiple
+ args, create follow on expansion. Return follow on argument.
+ (macro_input): Deal with multiple arguments.
+
+ * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
+ (struct tree_binfo): Adjust.
+ * basic-block.h: Define VEC(edge,gc).
+ (struct edge_def): Adjust.
+ (struct basic_block_def, struct edge_iterator): Likewise.
+ (ei_container, ei_start_1, ei_last_1): Likewise.
+ * cfg.c (connect_src, connect_dest): Likewise.
+ * cfgrtl.c (force_nonfallthru_and_redirect)
+ * dbxout.c (dbxout_type)
+ * dwarf2out.c (gen_member_die)
+ * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
+ (gcc_tree_to_linear_expression): Adjust.
+ (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
+ lbv_to_gcc_expression, lle_to_gcc_expression,
+ lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
+ perfect_nestify): Likewise.
+ * lambda.h (gcc_loopnest_to_lambda_loopnest,
+ lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
+ * profile.c (instrument_values): Adjust.
+ * tree-cfg.c (modified_noreturn_calls): Adjust.
+ (remove_fallthru_edge): Likewise.
+ * tree-dump.c (dequeue_and_dump): Adjust.
+ * tree-flow-inline.h (mark_stmt_modified): Adjust.
+ * tree-flow.h (modified_noreturn_calls): Adjust.
+ (tree_on_heap): Remove. (yay!)
+ (register_new_def): Adjust.
+ * tree-into-ssa.c: Define VEC(int,heap).
+ (block_defs_stack): Adjust.
+ (find_idf, insert_phi_nodes, register_new_def,
+ rewrite_initialize_block, rewrite_finalize_block,
+ register_new_update_single, rewrite_update_init_block,
+ rewrite_update_fini_block, rewrite_blocks,
+ ssa_rewrite_finalize_block, ssa_register_new_def,
+ ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
+ * tree-loop-linear.c (linear_transform_loops): Adjust.
+ * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
+ (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
+ * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
+ stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
+ vrp_variables_stack): Adjust declarations.
+ (tree_ssa_dominator_optimize): Adjust.
+ (dom_opt_initialize_block, remove_local_expressions_from_table,
+ restore_nonzero_vars_to_original_value,
+ restore_vars_to_original_value,
+ restore_currdefs_to_original_value, dom_opt_finalize_block,
+ record_var_is_nonzero, record_cond, record_const_or_copy_1,
+ optimize_stmt, update_rhs_and_lookup_avail_expr,
+ lookup_avail_expr, record_range): Likewise.
+ * tree-ssa-pre.c: Define VEC(basic_block,heap).
+ (compute_antic_aux): Adjust.
+ (inserted_exprs, create_expression_by_pieces,
+ insert_into_preds_of_block, eliminate, mark_operand_necessary,
+ remove_dead_inserted_code, fini_pre): Likewise.
+ * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
+ (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
+ ssa_prop_init): Likewise.
+ * tree-ssa.c: Define VEC(bitmap,heap).
+ (verify_name_tags): Adjust.
+ * value-prof.c (rtl_divmod_values_to_profile): Adjust.
+ (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
+ tree_divmod_values_to_profile, tree_find_values_to_profile,
+ value_profile_transformations): Likewise.
+ * value-prof.h: Define VEC(histogram_value,heap).
+ * varasm.c: Remove alias_pair pointer typedef, define
+ VEC(alias_pair,gc).
+ (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
+
+ * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
+ not a pointer to it. Create an object vector.
+ (extern_symbols): Turn into an object vector.
+ (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
+
+2005-04-21 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR/20742
+ * Makefile.in (tree-chrec.o): Depend on params.h.
+ * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
+ default value 20.
+ * tree-chrec.c: Depend on params.h. Replace build with buildN,
+ and fold build with fold_buildN.
+ (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
+ the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
+ (tree_contains_chrecs): Compute an estimation of the size of the
+ given expression.
+ * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
+ (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
+ * tree-scalar-evolution.c (simple_iv): Ditto.
+ * doc/invoke.texi (scev-max-expr-size): Documented.
+
+2005-04-21 Richard Sandiford <rsandifo@redhat.com>
+
+ * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
+ (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
+ (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
+ (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
+ (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
+ (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
+ * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
+ (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
+ * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
+ (darwin_fix_and_continue_switch): Delete.
+ * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
+ (SUBTARGET_SWITCHES): Delete.
+ * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
+ (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
+ (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
+ (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
+ (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
+ (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
+ (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
+ (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
+ (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
+ (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
+ (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
+ (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
+ (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
+ (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
+ (TARGET_64BIT): Undef before redefining.
+ (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
+ (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
+ (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
+ (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
+ (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
+ (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
+ (ix86_asm_string, ix86_regparm, ix86_regparm_string)
+ (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
+ (ix86_debug_arg_string, ix86_debug_addr_string)
+ (ix86_align_loops_string, ix86_align_jumps_string)
+ (ix86_align_funcs_string): Delete.
+ * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
+ (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
+ * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
+ (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
+ * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
+ * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
+ (SUBTARGET_SWITCHES): Delete.
+ * config/i386/i386.c (ix86_debug_arg_string): Delete.
+ (ix86_debug_addr_string): Delete.
+ (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
+ (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
+ (ix86_align_loops_string, ix86_align_jumps_string)
+ (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
+ (ix86_align_funcs_string): Make static.
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ (ix86_handle_option): New function.
+ (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
+ (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
+ of darwin_fix_and_continue_switch.
+ (darwin_one_byte_bool): Delete.
+ * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
+ * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
+ to darwin_one_byte_bool.
+ * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
+ * config/i386/djgpp.opt, config/i386/i386.opt,
+ * config/i386/sco5.opt: New files.
+
+2005-04-21 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
+ fp_zero_operand, fp_register_operand, intreg_operand,
+ fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
+ call_operand, call_operand_address, tgd_symbolic_operand,
+ tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
+ symbolic_operand, symbolic_memory_operand, label_ref_operand,
+ sp64_medium_pic_operand, data_segment_operand,
+ text_segment_operand, splittable_symbolic_memory_operand,
+ reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
+ eq_or_neq, normal_comp_operator, noov_compare_op,
+ noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
+ cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
+ const64_operand, const64_high_operand, arith11_operand,
+ arith10_operand, arith_double_operand, arith_double_4096_operand,
+ arith_double_add_operand, arith11_double_operand,
+ arith10_double_operand, small_int, small_int_or_double,
+ uns_small_int, uns_arith_operand, clobbered_register,
+ input_operand, compare_operand): Delete.
+ (sparc_emit_set_const32): Use predicates in assertion. Remove special
+ code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
+ (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
+ (GEN_HIGHINT64, GEN_INT64): Delete.
+ (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
+ gen_safe_XOR64): Adjust for above deletion.
+ (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
+ Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
+ (legitimate_constant_p): Use const_zero_operand instead.
+ (sparc_extra_constraint_check): Likewise.
+ * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
+ (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
+ (PREDICATE_CODES): Delete.
+ * config/sparc/sparc.md: Include predicates.md.
+ (All patterns): Adjust for new predicate names.
+ (cmpdi, cmpdi_sp64): Use arith_operand predicate.
+ (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
+ (movdi): Use general_operand predicate.
+ (movdi_sp64_dbl): Delete.
+ (movdi_const64_special): Add 'N' constraint.
+ (movdicc): Use arith10_operand predicate.
+ (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
+ (movdi_cc_reg_sp64): Use arith10_operand predicate.
+ (movdi_cc_reg_sp64_trunc): Delete.
+ (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
+ (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
+ (subdi3_sp32): Delete.
+ (subdi3_insn_sp32): Change to define_insn_and_split.
+ (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
+ (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
+ (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
+ umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
+ small_int_operand predicate.
+ (divdi3, udivdi3): Use arith_operand predicate.
+ (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
+ (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
+ xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
+ (xordi3_sp64_dbl): Delete.
+ (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
+ cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
+ cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
+ cmp_ccx_set_not): Use arith_operand predicate.
+ (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
+ * config/sparc/predicates.md: New file.
+
+2005-04-21 Kazu Hirata <kazu@cs.umass.edu>
+
+ PR tree-optimization/14846
+ * fold-const.c (fold_single_bit_test_into_sign_test): New,
+ split out from ...
+ (fold_single_bit_test): ... here.
+ (fold_binary): Call fold_single_bit_test_into_sign_test
+ instead of fold_single_bit_test.
+
+2005-04-20 James E Wilson <wilson@specifixinc.com>
+
+ PR c++/20805
+ * dwarf2out.c (gen_variable_die): Don't emit a specification if this
+ is another declaration.
+
+2005-04-21 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/predicates.md: New file.
+ * config/cris/cris-protos.h (cris_store_multiple_op_p)
+ (cris_movem_load_rest_p): Declare.
+ * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
+ (cris_movem_load_rest_p): Ditto. Globalize.
+ (cris_bdap_operand, cris_bdap_biap_operand,
+ cris_orthogonal_operator, cris_commutative_orth_op,
+ cris_operand_extend_operator,
+ cris_additive_operand_extend_operator, cris_extend_operator,
+ cris_plus_or_bound_operator, cris_mem_op,
+ cris_general_operand_or_symbol,
+ cris_general_operand_or_gotless_symbol,
+ cris_general_operand_or_plt_symbol, cris_mem_call_operand,
+ cris_load_multiple_op): Remove predicate functions.
+ (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
+ abort, for UNSPECs other than CRIS_UNSPEC_PLT.
+ * config/cris/cris.h (PREDICATE_CODES): Don't define.
+ * config/cris/cris.md: Include predicates.md.
+ ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
+
+2005-04-20 Ian Lance Taylor <ian@airs.com>
+
+ * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
+ * c-common.h (STMT_EXPR_STMT): Don't define.
+ (STMT_EXPR_NO_SCOPE): Don't define.
+ * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
+ * c-pretty-print.c (pp_c_primary_expression): Likewise.
+ (pp_c_expression): Likewise.
+
+2005-04-20 Richard Henderson <rth@redhat.com>
+
+ PR target/21100
+ * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
+
+2005-04-20 Jeff Law <law@redhat.com>
+
+ * reload1.c (reload): Ignore equivalences between pseudos and
+ read only memory.
+
+2005-04-20 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/12913
+ * c-tree.h (struct c_label_list): Update comment.
+ (struct c_label_context): Rename to struct c_label_context_se.
+ (label_context_stack): Rename to label_context_stack_se.
+ (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
+ c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
+ c_end_vm_scope): New.
+ (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
+ * c-decl.c (pop_scope): Call c_end_vm_scope.
+ (pushdecl): Call c_begin_vm_scope for variably modified
+ declarations.
+ (define_label): Check for jumping into scope of identifier with
+ variably modified type. Push label on stack for those defined at
+ current context of identifiers with variably modified type.
+ (start_function): Create stack level for context of identifiers
+ with variably modified type.
+ (finish_function): Pop stack level for context of identifiers with
+ variably modified type.
+ * c-typeck.c (label_context_stack): Rename to
+ label_context_stack_se.
+ (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
+ (c_finish_goto_label): Check for jumping into scope of identifier
+ with variably modified type. Push label on stack for those jumped
+ to from current context of identifiers with variably modified
+ type.
+ (struct c_switch): Add blocked_vm.
+ (c_start_case): Initialize blocked_vm.
+ (do_case): Check blocked_vm.
+ (c_finish_case): Add comment.
+ (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
+ variable label_context_stack.
+
+2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
+ conditional_replacement, value_replacement, abs_replacement,
+ minmax_replacement.
+ (replace_phi_edge_with_variable): Remove argument BB.
+ (conditional_replacement, value_replacement,
+ minmax_replacement, abs_replacement): Remove argument PHI_BB.
+ Update a call to replace_phi_edge_with_variable.
+
+ * tree-ssa-phiopt.c: Fix comments.
+
+2005-04-20 Michael Matz <matz@suse.de>
+
+ PR20973
+ * reload.c (push_reload, find_dummy_reload): Check for uninitialized
+ pseudos.
+
+2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-phiopt.c: Fix comment typos.
+
+ PR tree-optimization/21116
+ * tree-ssa-phiopt.c: Fix a typo.
+
+2005-04-19 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (expand_builtin_sync_operation): Revert last change.
+ * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
+ not vs new value.
+ (expand_compare_and_swap_loop): Likewise.
+ (expand_sync_operation): Remove fallback from NAND to AND; invert
+ memory operand when expanding from cmpxchg.
+ (expand_sync_fetch_operation): Likewise.
+ * doc/extend.texi (Atomic Builtins): Fix docs for nand and
+ compare-and-swap.
+
+ * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
+ when implementing NAND. Fix double-add for AFTER.
+ * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
+ (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
+ (sync_compare_and_swap<I48MODE>): Fix compare vs zero. Return old
+ memory value.
+ (sync_lock_test_and_set<I48MODE>): Remove extra label and last
+ memory barrier.
+
+ * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
+ to return old memory value.
+ (sync_compare_and_swap_cc<IMODE>): Likewise.
+
+ * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
+ return pre-reload. Don't consider output or anti dependencies.
+ * config/ia64/sync.md (IMODE): New.
+ (modesuffix): Add QI and HI.
+ (memory_barrier): Simplify expansion.
+ (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
+ (cmpxchg_acq_<IMODE>): Likewise.
+ (sync_lock_test_and_set<IMODE>): Likewise.
+ (sync_lock_release<IMODE>): Likewise.
+
+2005-04-19 James A. Morrison <phython@gcc.gnu.org>
+
+ * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
+ ~X or ~Y simplify.
+
+2005-04-19 James A. Morrison <phython@gcc.gnu.org>
+
+ * fold-const (fold_binary): Fold ~X ^ ~ Y to X ^ Y.
+
+2005-04-20 Michael Pogue <michael.pogue@sun.com>
+ Joseph S. Myers <joseph@codesourcery.com>
+
+ * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
+ * c-typeck.c (build_c_cast): Check these options.
+ * doc/invoke.texi: Document these options.
+
+2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-phiopt.c: Update a comment about the pass.
+
+2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
+ config/mcore/mcore.c: Fix comment typos.
+
+2005-04-19 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
+ * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
+
+2005-04-19 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
+
+2005-04-19 Andrew Haley <aph@redhat.com>
+
+ PR java/21022
+ * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
+ looking at a field's bitpos.
+
+2005-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (fopen, fdopen, freopen): Define these to the unlocked
+ libiberty functions.
+
+2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ PR tree-optimization/21096
+ * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
+
+2005-04-19 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/21098
+ * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
+ * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
+
+2005-04-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-cfg.c (dump_function_to_file): Use cfun info only if it
+ refers to the function being dumped.
+
+2005-04-18 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * varasm.c (assemble_start_function): Remove reset of in_section.
+
+2005-04-18 James A. Morrison <phython@gcc.gnu.org>
+
+ PR tree-optimization/21085
+ * fold-const (fold_binary): Don't change X % -C to X % C if C has
+ overflowed.
+
+2005-04-19 Ben Elliston <bje@au.ibm.com>
+
+ * doc/invoke.texi (Optimize Options): Refer to the correct
+ optimisation flag -ftree-dominator-opts, not -ftree-dom.
+
+2005-04-18 Christopher Jaillet <christophe.jaillet@wanadoo.fr>
+
+ * config/rs6000/rs6000.c (machopic_output_stub): Increase
+ alloca argument to be big enough.
+
2005-04-18 Alexandre Oliva <aoliva@redhat.com>
+ PR middle-end/21049
* tree-cfg.c (dump_function_to_file): Do not crash if cfun or
cfun->cfg are NULL.
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