2005-01-08 Roger Sayle * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that the latent bug in rtl_delete_block has been resolved. 2005-01-08 Richard Sandiford * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values. (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64. 2005-01-08 Richard Sandiford * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the library as @multilib_dir@/$(SHLIB_SONAME). 2005-01-07 Eric Botcazou * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo. * configure: Regenerate. 2005-01-07 Jakub Jelinek * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy TYPE_MODE. 2005-01-07 David Edelsohn PR target/13674 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Convert non-word aligned offset address using ld/std into indirect address. 2005-01-07 Richard Henderson * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo. 2005-01-07 Richard SAndiford * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check. 2005-01-07 Jakub Jelinek PR tree-optimization/19283 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type is not shorter than the original type. PR rtl-optimization/19012 * config/i386/i386.md (addqi_1_slp): Set memory attribute. PR rtl-optimization/18861 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define. (FULL_STATE): Define. (mark_tablejump_edge): New function. (purge_dead_tablejump_edges): New function. (find_bb_boundaries): Use it. PR tree-optimization/18828 * builtins.c (expand_builtin_next_arg): Remove argument and all the argument checking. (expand_builtin): Adjust caller. (expand_builtin_va_start): Likewise. Remove error for too many arguments. (fold_builtin_next_arg): Issue error for too many arguments. After checking arguments, replace them with magic arguments that prevent further checking of the args. 2005-01-06 John David Anglin * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec. 2005-01-06 Roger Sayle PR target/6077 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...} and %{.S:...} (and their negative variants) to test whether the input file is assembler or pre-processed-assembler independent of the actual filename extension. 2005-01-06 Roger Sayle * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts of sign or zero extended values. 2005-01-06 Geoffrey Keating * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__ for IBM long double format correctly. 2005-01-06 Daniel Berlin Fix PR tree-optimization/18792 * tree-data-ref.c (build_classic_dist_vector): Change first_loop to first_loop_depth, and use loop depth instead of loop number. (build_classic_dir_vector): Ditto. (compute_data_dependences_for_loop): Use depth, not loop number. * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop number. Pass in loops, instead of loop numbers. (gather_interchange_stats): Ditto. (linear_transform_loops): Ditto. 2005-01-06 Richard Sandiford PR rtl-opt/13299 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p, biv_fits_mode_p, extension_within_bounds_p): New functions. (check_ext_dependent_givs): Use them. 2005-01-06 Roger Sayle * cfgrtl.c (rtl_delete_block): A basic block may be followed by more than one barrier, in which case we should delete them all. 2005-01-06 Tobias Schlueter * gcc.c (process_command): Change year in 'gcc --version' to 2005. 2005-01-05 Daniel Berlin Fix PR middle-end/19286 Fix PR debug/19267 * dwarf2out.c (gen_subprogram_die): If we've already tried to output this subprogram, simply ignore this attempt to do it again. (add_abstract_origin_attribute): Don't abort trying to add the abstract origin attribute if it's not possible. (gen_block_die): Don't ignore subblocks of "unused" blocks. (decls_for_scope): Ditto. * gimple-low.c (mark_blocks_with_used_subblocks): Remove. (mark_used_blocks): Don't call mark_blocks_with_used_subblocks. 2005-01-05 Richard Henderson PR target/11327 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New. (bdesc_2arg): Use it. (ix86_expand_binop_builtin): Force operands into registers when optimizing. (ix86_expand_unop_builtin, ix86_expand_unop1_builtin, ix86_expand_sse_compare, ix86_expand_sse_comi, ix86_expand_builtin): Likewise. 2005-01-05 Richard Henderson * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR and VEC_SELECT. * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl]. (mulv4hi3): Set itanium_class mmmul. (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove. (fpack): Rename from fpack_sfsf. 2005-01-05 Richard Henderson PR rtl-opt/10692 * reload1.c (do_input_reload): Restrict the optimization deleteing a previous output reload to RELOAD_FOR_INPUT. 2005-01-05 Steven Bosscher * combine.c (expand_compound_operation) : Add comment that we fall through after case. (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST. (distribute_links): Likewise. * cse.c (cse_insn): Likewise. * cselib.c (cselib_invalidate_mem): Likewise. * df.c: Update comments at the top of the file. (read_modify_subreg_p): Update comments here too. (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST. * flow.c (mark_set_1): Likewise. (mark_used_regs): Likewise. * gcse.c (mems_conflict_for_gcse_p): Likewise. (canon_list_insert): Likewise. (mark_set): Likewise. (try_replace_reg): Likewise. (store_killed_in_insn): Likewise. * loop.c (count_one_set): Likewise. (basic_induction_var): Likewise. * postreload-gcse.c (find_mem_conflicts): Likewise. * postreload.c (reload_combine_note_store): Likewise. (move2add_note_store): Likewise. * reload.c (find_equiv_reg): Likewise. (mark_referenced_resources): Likewise. * rtlanal.c (set_noop_p): Likewise. (note_stores): Likewise. (note_uses): Likewise. * sched-deps.c (sched_analyze_1): Likewise. * sched-rgn.c (check_live_1): Likewise. (update_live_1): Likewise. * config/i860/i860.c: Likewise. * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as an lvalue. (ZERO_EXTRACT): Mention that this one can be an lvalue. * doc/rtl.texi: Update documentation for bit-fields and SET. 2005-01-05 Roger Sayle * ifcvt.c (find_if_case_1): Revert 2005-01-04 change. 2005-01-05 Jan Hubicka Richard Henderson PR target/18910 * config/i386/i386.c (ix86_expand_move): Handle tls symbols with an offset. 2005-01-05 Richard Henderson PR target/12902 * config/i386/i386.md (sse_movhps, sse_movlps): Remove. (sse_shufps): Change operand 3 to const_int_operand. (sse2_storelps): Fix typo in template. (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New. * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them. (ix86_expand_builtin): Likewise. 2005-01-05 Julian Brown * config/arm/arm.c (arm_return_in_memory): Treat complex types as aggregates for AAPCS ABIs. 2005-01-05 Stan Shebs * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit Mach-O getters if ppc64. * config/darwin.c (darwin_asm_output_dwarf_delta): Obey size argument. * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use signed four-byte field for global code case. (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation. 2005-01-05 Roger Sayle PR middle-end/19100 * c-common.c: Include real.h. (c_common_truthvalue_conversion): Avoid destructively modifying expr. Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST. Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST. * Makefile.in (c-common.o): Update dependencies. 2005-01-05 Joseph S. Myers * c-parse.in (asm_string): Add trailing semicolon. 2005-01-05 Joseph S. Myers * c-parse.in (asm_string): New. Don't allow wide strings in 'asm'. (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use asm_string instead of STRING. 2005-01-05 Joseph S. Myers * c-typeck.c (constructor_no_implicit): Remove. (set_designator, process_init_element): Don't check constructor_no_implicit. 2005-01-05 J"orn Rennecke Kaz Kojima PR target/16482 * lcm.c (create_pre_exit): New. (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set ENTRY_EXIT_EXTRA to 3. Use create_pre_exit. 2004-01-05 Richard Earnshaw * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and -msoft-float in target_float_switch. * arm.c (arm_override_options): Fix processing of target_float_switch. 2004-01-05 Richard Earnshaw * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register preferencing. 2004-01-05 Uros Bizjak * doc/invoke.texi (Intel 386 and AMD x86-64 Options): Replace i387 with 'i386 compiler' in -mfpmath=sse option. 2005-01-04 Roger Sayle * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block, if deleting the then-block allows the test-block to fallthru to the else-block. 2005-01-04 Andrew Pinski PR c/19152 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared after the full declaration if the are in two different TUs. 2005-01-04 Richard Henderson PR tree-opt/19158 * tree-sra.c (generate_one_element_init): Just call gimplify_and_add. (generate_element_init): Record the new referenced variables and mark them for renaming and split out to ... (generate_element_init_1): This. (scalarize_init): Don't call push_gimplify_context/ pop_gimplify_context. 2005-01-04 Geoffrey Keating * toplev.c (get_src_pwd): Handle failure of getpwd(). 2005-01-04 Roger Sayle * fold-const.c (fold_single_bit_test): Delete unreachable handling of TRUTH_NOT_EXPR. (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as all the cases handled by it are inverted by invert_truthvalue. 2005-01-04 Eric Botcazou * config/sparc/sparc.md (save_register_windowdi): Add missing mode. (save_register_windowsi): Likewise. 2005-01-04 Richard Henderson * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname. 2005-01-04 Uros Bizjak PR middle-end/17767 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt any simplifications of vector mode comparison operators. * simplify-rtx.c (simplify_relational_operation): Fix variable name. 2005-01-04 Paolo Bonzini Devang Patel PR tree-optimization/18308 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify the operands before creating a new expression. * dojump.c (do_jump): Make drop_through_label available for all cases. Add expansion of COND_EXPR. 2005-01-04 Ira Rosen * tree-vectorizer.c (vect_analyze_offset_expr): Test for INTEGER_CST instead of TREE_CONSTANT. (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST instead of TREE_CONSTANT. (vect_analyze_pointer_ref_access): Test for INTEGER_CST instead of TREE_CONSTANT. 2005-01-04 Eric Botcazou * tree-eh.c (replace_goto_queue): Return early if the queue is empty. 2005-01-04 Uros Bizjak PR target/19240 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH. (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH). 2005-01-03 Richard Henderson * fold-const.c (force_fit_type): Cope with types larger than 2 HWI. (fold_convert_const_int_from_int, fold_convert_const_int_from_real, fold_convert_const_real_from_real): Split out from ... (fold_convert_const): ... here. 2005-01-03 Richard Henderson PR target/19235 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives. (mov_internal): Likewise. (movdf_nointeger): Prefer Y while not preferring, but allowing, x. Add V2SF case; use it for SSE1; don't use TI. (movdf_integer): Likewise. (mov_internal, movti_internal): Force V4SF for SSE1. 2005-01-03 Ira Rosen * tree-vectorizer.c (vect_strip_conversions): New function. (vect_analyze_offset_expr): Call vect_strip_conversions. Add check for binary class. 2005-01-03 Daniel Berlin Fix PR debug/17924 Fix PR debug/19191 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin is a decl. * gimple-low.c (mark_blocks_with_used_vars): New function. (mark_blocks_with_used_subblocks): Ditto. (mark_used_blocks): Ditto. (pass_mark_used_blocks): New pass. * tree-inline.c: Include debug.h. (expand_call_inline): Call outlining_inline_function here. * tree-optimize.c (init_tree_optimization_passes): Add pass_mark_used_blocks. * tree-pass.h (pass_mark_used_blocks): New. * Makefile.in (tree-inline.o): Add debug.h dependency. 2005-01-03 Geoffrey Keating * config/darwin.c (darwin_handle_weak_import_attribute): Permit VAR_DECLs to have weak_import attribute. * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than 'struct ucontext'. 2004-01-03 Steven Bosscher * passes.c (rest_of_compilation): Don't run regmove if only flag_expensive_optimizations, require flag_regmove instead. 2005-01-03 Eric Botcazou * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not register "sparc". * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise. * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise. * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete. * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise. 2005-01-03 Richard Henderson * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New. (ia64_const_ok_for_letter_p): New. (ia64_const_double_ok_for_letter_p): New. (ia64_extra_constraint): New. (ia64_expand_vecint_compare): New. (ia64_expand_vcondu_v2si): New. (ia64_expand_vecint_cmov): New. (ia64_expand_vecint_minmax): New. (ia64_print_operand): Add 'v'. (ia64_preferred_reload_class): New. (ia64_vector_mode_supported_p): New. * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New. (PREFERRED_RELOAD_CLASS): Move to function. (CONST_OK_FOR_LETTER_P): Move to function. (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function. (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove. (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove. (EXTRA_CONSTRAINT): Move to function. * config/ia64/ia64.md: Include vect.md. (itanium_class): Add mmalua. (type): Handle it. * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses. (1b_mmalua): New. * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly. * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any CONST0_RTX. (const_int_2bit_operand): New. (fr_reg_or_0_operand): New. * config/ia64/ia64-modes.def: Add vector modes. * config/ia64/ia64-protos.h: Update. * config/ia64/vect.md: New file. 2005-01-03 Richard Henderson * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT. 2005-01-03 Uros Bizjak PR target/19236 * config/i386/i386.c (log1psf2): Change mode of operands[0,1] to SFmode. (log1pdf2): Change mode of operands[0,1] to DFmode. 2005-01-03 Eric Botcazou * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false. * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true. * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise. * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to SPARC_RELAXED_ORDERING. 2005-01-03 Richard Henderson Uros Bizjak PR target/14631 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW, IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message. * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector handling. (*mmx_pinsrw, *sse2_pinsrw): New patterns. * config/i386/i386/predicates.md (const_pow2_1_to_8_operand, const_pow2_1_to_128_operand): New predicates. 2005-01-02 Greg McGary * tree-mudflap.c (mf_varname_tree): decl_printable_name handles anonymous decls. (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost object. [ptr_type]: Remove unused variable. Remember nearest addressable array-element or record-component when checking bitfield components. Tolerate empty BIND_EXPR. 2005-01-01 Richard Henderson * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions that don't narrow the value. Fail for other conversions. 2005-01-01 Richard Henderson PR c/19031 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks. * c-lang.c (finish_file): Don't do it here. * objc/objc-act.c (objc_finish_file): Likewise. * cgraph.c (decl_assembler_name_equal): New. (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New. (cgraph_varpool_node): Actually link up cgraph_varpool_nodes. * cgraph.h (struct cgraph_varpool_node): Add next. (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare. * varasm.c (assemble_alias): Mark the target as needed. 2005-01-01 Andrew Pinski PR middle-end/19221 * function.c (get_arg_pointer_save_area): Use entry_of_function instead of get_insns. 2005-01-01 Roger Sayle Andrew Pinski James E. Wilson PR rtl-optimization/12092 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK is zero. 2005-01-01 Roger Sayle Olivier Hainque * tree.c (int_fits_type_p): A narrower type always fits in a wider one, except for negative values into unsigned types. 2005-01-01 Roger Sayle * tree.c (int_fits_type_p): Compare the result of force_fit_type with the original constant rather than require TREE_OVERFLOW. 2005-01-01 Steven Bosscher PR middle-end/17544 * c-decl.c (finish_function): If compiling C99, annotate the compiler generated return with the current file name and line 0. * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if the source line is greater than 0. (remove_bb): Likewise. See ChangeLog.12 for earlier changes.