1 2001-10-08 Alexandre Oliva <aoliva@redhat.com>
3 * langhooks.h: New file.
4 * Makefile.in (OBJS): Added langhooks.o.
5 (c-lang.o): Depend on langhooks.h.
6 (c-common.o): Don't depend on tree-inline.h.
7 (tree-inline.o): Depend on toplev.h.
8 (langhooks.o): New rule.
9 * c-common.c: Don't include tree-inline.h.
10 (c_mark_lang_decl): Mark argument c as unused.
11 (c_common_lang_init): Don't initialize hooks here.
12 * c-lang.c: Include langhooks.h, then override some macros.
13 (lang_hooks): Initialize with macros in langhooks.h.
14 (c_init): Don't initialize hooks here.
15 * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
16 (struct lang_hooks): Add tree_inlining. Refer to langhooks.h.
17 * tree-inline.c: Include toplev.h. Don't define hook variables.
18 * tree-inline.h: Don't define hook types nor declare hook
19 variables. Move macros to...
20 * langhooks.c: ... new file, as functions. Adjust all callers.
22 2001-10-08 Jeffrey A Law <law@cygnus.com>
24 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
25 purge_mem_unchanging_flag on all instructions, not just on those
26 before NOTE_INSN_FUNCTION_BEG.
28 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
30 * cppmacro.c (_cpp_create_definition): Leave comments off.
32 * doc/cpp.texi: Update.
34 2001-10-08 DJ Delorie <dj@redhat.com>
36 * c-decl.c (grokfield): Make sure the only unnamed fields
37 we're allowing are either structs or unions.
38 * doc/extend.texi: Add documentation for the unnamed field
41 2001-10-08 Zack Weinberg <zack@codesourcery.com>
43 * aclocal.m4 (gcc_AC_PROG_GNAT): New.
44 * configure.in: Use it.
45 * configure: Regenerated.
46 * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
47 config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
49 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
51 * cppfiles.c (open_file): Don't mark zero-length files
52 never-reread here. Don't output diagnostics here either.
53 (stack_include_file): Mark them never-reread here.
54 (_cpp_read_file): Update.
56 2001-10-08 Richard Henderson <rth@redhat.com>
58 * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
60 2001-10-08 Richard Henderson <rth@redhat.com>
62 * expr.c (store_expr): When converting a CONST_INT for storage
63 in a SUBREG, convert it to both SUBREG modes before stripping
66 2001-10-08 Richard Henderson <rth@redhat.com>
68 * varasm.c (restore_varasm_status): New.
69 * function.h: Declare it.
70 * function.c (pop_function_context_from): Call it.
72 2001-10-08 Richard Henderson <rth@redhat.com>
74 * c-common.h (struct c_lang_decl): Add declared_inline.
75 * c-tree.h (DECL_DECLARED_INLINE_P): New.
76 * c-lang.c (c_disregard_inline_limits): Use it.
77 * c-decl.c (duplicate_decls): Likewise.
78 (pushdecl, redeclaration_error_message): Likewise.
79 (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
80 (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P.
81 Set DECL_INLINE if -finline-functions.
82 (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
84 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
86 * cppmacro.c (funlike_invocation_p): Move some logic to caller
87 in enter_macro_context. Create a padding token in its own context
88 if necessary when the search for '(' fails.
89 (enter_macro_context): Update.
91 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
93 * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
94 genmultilib, toplev.c: Fix spelling errors of "separate" as
95 "seperate", and corresponding spelling errors of related words.
97 2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
99 * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
100 * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
102 * c-dump.c (dump_option_value_info): Likewise.
103 * c-format.c (format_length_info, format_char_info,
104 format_flag_spec, format_flag_pair, format_kind_info): Likewise.
105 * collect2.c (names): Likewise.
106 * cppdefault.h (default_include): Likewise.
107 * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
108 * flow.c (life_analysis): Likewise.
109 * gcc.c (dir_separator_str, modify_target, option_map,
110 target_option_translations, spec_list_1, extra_specs_1,
111 init_spec): Likewise.
112 * gcov.c (gcov_version_string): Likewise.
113 * genattr.c (write_units): Likewise.
114 * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
115 * gengenrtl.c (rtx_definition, defs): Likewise.
116 * genrecog.c (pred_table): Likewise.
117 * global.c (global_alloc): Likewise.
118 * lcm.c (optimize_mode_switching): Likewise.
119 * local-alloc.c (find_free_reg): Likewise.
120 * params.h (param_info): Likewise.
121 * predict.c (predictor_info): Likewise.
122 * protoize.c (unexpansion_struct): Likewise.
123 * real.c (bmask): Likewise.
124 * recog.h (insn_operand_data, insn_data): Likewise.
125 * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
126 * stmt.c (expand_nl_goto_receiver): Likewise.
127 * toplev.c (da, debug_args, lang_opt, documented_lang_options,
128 target_switches, target_options): Likewise.
129 * tradcif.y (token, tokentab2, yylex): Likewise.
130 * tree.h (attribute_spec): Likewise.
132 * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
134 * arc.c (arc_output_function_epilogue): Likewise.
135 * arm.c (processors, all_cores, all_architectures,
136 arm_override_options, isr_attribute_arg, isr_attribute_args,
137 arm_isr_value): Likewise.
138 * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
140 * c4x.c (c4x_int_reglist): Likewise.
141 * d30v.c (override_options): Likewise.
142 * h8300.c (shift_insn): Likewise.
143 * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
144 pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
145 ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
146 builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
147 ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
148 * i386.h (processor_costs, ix86_cost): Likewise.
149 * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
150 * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
151 * m68k.c (codes_68881, codes_FPA): Likewise.
152 * m88k.c (mode_from_align, max_from_align, all_from_align,
153 best_from_align, m_options): Likewise.
154 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
155 * mcore.c (mode_from_align): Likewise.
156 * mips/elf64.h (UNIQUE_SECTION): Likewise.
157 * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
158 * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
159 * mips.h (mips_regno_to_class): Likewise.
160 * ns32k.c (scales): Likewise.
161 * pa.c (import_string, magic_milli): Likewise.
162 * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
163 * sparc.c (leaf_reg_remap, sparc_override_options,
164 reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
166 * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
168 2001-10-07 Dale Johannesen <dalej@apple.com>
170 * reload1.c (reload_reg_free_p): Teach register interference
171 checking that multiple output reloads are emitted in
173 reload1.c (reload_reg_reaches_end_p): Ditto.
174 reload1.c (reloads_conflict): Ditto.
176 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
178 * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
179 NULL_TREE inside @code.
181 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
183 * doc/gcc.texi: Document consistent style of "32-bit",
184 "Objective-C", and "@code{NULL}".
186 2001-10-06 Zack Weinberg <zack@codesourcery.com>
188 * cpplex.c (enum spell_type): Add SPELL_NUMBER.
189 (cpp_token_len, cpp_spell_token, cpp_output_token,
190 _cpp_equiv_tokens): Handle it.
191 * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
192 CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
193 * cppexp.c (_cpp_parse_expr): Use the correct operator code in
196 Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
198 * gcc.c (default_compilers): Remove .ada.
200 2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
202 * doc/cppinternals.texi: Update.
204 2001-10-06 Zack Weinberg <zack@codesourcery.com>
206 * gcc.c (main): Set this_file_error if the appropriate
207 compiler for a language has not been installed.
209 2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
211 * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
213 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
215 * gccbug.in (CATEGORIES): Add ada.
217 2001-10-05 Catherine Moore <clm@redhat.com>
219 * config/stormy16/stormy-abi: Document abi changes.
220 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
221 (ICALL_REGS): New register class.
222 (NUM_ARGUMENT_REGISTERS): Now 6.
223 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
225 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
226 * config/stormy16.md (call_internal, call_value_internal,
227 indirect_jump): Use new 'z' constraint.
229 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
231 * doc/cppinternals.texi: Update.
233 2001-10-05 Richard Henderson <rth@redhat.com>
235 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
236 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
237 the gas section-name-as-label feature.
239 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
241 * doc/cppinternals.texi: Update.
243 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
245 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
246 to ensure valid SImode constants.
248 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
250 * Makefile.in (c-decl.o): Depend on tree-inline.h.
251 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
252 * c-decl.c: Include tree-inline.h.
253 (c_expand_body): Call optimize_inline_calls. Determine whether
254 a function is inlinable upfront, and only clear
255 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
256 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
257 (c_disregard_inline_limits): New function.
258 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
259 (c_post_options): Enable tree inlining if inlining is enabled.
260 Don't inline trees when instrumenting functions.
261 (c_init): Initialize lang_disregard_inline_limits and
262 lang_cannot_inline_tree_fn.
263 * tree-inline.c (initialize_inlined_parameters): Handle calls
264 with fewer arguments than declared parameters, and fewer
265 parameters than passed arguments. Don't assume value is a
267 (declare_return_variable): Convert return value back to the
268 original type, if it was promoted.
269 (tree_inlinable_function_p): New function.
270 (inlinable_function_p): Don't look at DECL_INLINE if we're
271 inlining all functions. Make it work with a NULL id.
272 Re-check DECL_UNINLINABLE after language-specific checks.
273 * tree-inline.h (tree_inlinable_function_p): Declare it.
274 * integrate.c (save_for_inline): Don't bother to prepare argvec
276 * cse.c (check_for_label_ref): Don't check deleted labels.
278 * Makefile.in (tree-inline.o): Depend on newly-included headers.
279 * tree-inline.c: Include headers needed for the functions moved in.
280 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
281 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
282 (copy_body, initialize_inlined_parameters): Likewise.
283 (declare_return_variable, inlinable_function_p): Likewise.
284 (expand_call_inline, expand_calls_inline): Likewise.
285 (optimize_inline_calls, clone_body): Likewise.
286 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
287 (copy_tree_r, remap_save_expr): Likewise.
289 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
291 * Makefile.in (OBJS): Added tree-inline.o.
292 (c-common.o): Depend on tree-inline.h.
293 (tree-inline.o): New target.
294 * c-common.c: Include tree-inline.h.
295 (c_mark_lang_decl): Don't mark saved_tree.
296 (c_common_lang_init): Set lang_anon_aggr_type_p.
297 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
298 (struct c_lang_decl): Moved saved_tree to tree_decl.
299 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
300 * integrate.h (function_attribute_inlinable_p): Declare it.
301 * integrate.c (function_attribute_inlinable_p): Export it.
302 * tree-inline.c: New file. Define variables declared in...
303 * tree-inline.h: New file. Declare functions to be moved to
304 tree-inline.c. Define macros and declare types and hooks for
305 language-specific tree inlining.
306 (flag_inline_trees): Moved definition from cp/decl2.c.
307 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
308 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
309 (struct tree_decl): Moved saved_tree from c_lang_decl and
310 inlined_fns from C++'s lang_decl.
312 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
314 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
315 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
317 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
319 * doc/cppinternals.texi: Update.
321 2001-10-04 Eric Christopher <echristo@redhat.com>
323 * config/mips/mips.c (init_cumulative_args): Remember to set
325 * config.gcc: Redo linux configuration. Add target_cpu_default
326 of soft-float to all mipsisa32 combinations and tx39.
327 * config/mips/linux.h: Remove include of mips.h.
329 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
331 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
332 HOST_LDFLAGS and HOST_CPPFLAGS.
334 2001-10-03 Ziemowit Laski <zlaski@apple.com>
336 * c-parse.in (objc_inherit_code, objc_pq_context,
337 objc_public_flag): Make static.
338 (objc_interface_context, objc_implementation_context,
339 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
340 global tree array in objc/objc-act.[ch].
341 (methoddef): Remove unnecessary code.
343 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
344 Hoist struct definitions to objc-act.h.
345 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
346 cat_count): Place declaration in objc-act.h.
347 (objc_tree_index): Move enumeration to objc-act.h.
348 (objc_global_trees): Place declaration and macro accessors in
350 (implementation_context): Remove duplicate; use
351 objc_implementation_context instead:
352 (method_context): Remove duplicate; use objc_method_context
354 (objc_ellipsis_node, objc_method_prototype_template,
355 implemented_classes, function_type): Move global vars to
357 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
358 (build_message_expr): Move actual construction of ObjC message
359 send nodes to finish_message_expr.
360 (finish_message_expr): New routine, contains code formerly in
362 * objc/objc-act.h (finish_message_expr): New prototype.
363 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
364 declarations; these vars are now part of objc_global_trees.
365 (objc_tree_index, objc_global_trees): Move definitions from
367 * objc/objc-tree.def: Update copyright info.
369 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
371 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
373 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
374 only if TARGET_ARCH64.
376 2001-10-02 Bernd Schmidt <bernds@redhat.com>
378 * doc/extend.texi: Fix some problems with previous checkin.
379 * doc/invoke.texi: Likewise.
381 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cpphash.h: Update comments.
384 (cpp_context): Update.
385 (spec_nodes): Remove n__Pragma.
386 * cppinit.c (cpp_create_reader): Update.
387 (builtin_array): Add _Pragma.
388 * cpplib.h: Update comments.
389 (NODE_DISABLED, BT_PRAGMA): New.
390 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
391 * cppmacro.c (struct cpp_macro): Remove disabled.
392 (builtin_macro): Return int, handle _Pragma, push the new token
393 on the context stack.
394 (funlike_invocation_p): Unconstify, update.
395 (enter_macro_context): Handle builtins here.
396 (replace_args, push_token_context, push_ptoken_context):
397 Update for prototype changes.
398 (_cpp_pop_context): Update.
399 (cpp_get_token): Don't handle buitins, nor _Pragma here.
400 (cpp_sys_macro_p): Update.
401 (_cpp_free_definition): Clear disabled flag.
402 (_cpp_create_definition): Upate.
403 * cppmain.c: Update comments.
405 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
406 Andreas Jaeger <aj@suse.de>,
407 Jan Hubicka <jh@suse.cz>
409 * doc/invoke.texi (i386 Options): Document x86-64 options.
410 (i386 and x86-64 Options): Rename i386 options section.
412 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
413 (TARGET_SWITCHES): Add -munwind-info.
414 (MASK_NO_UNWIND_INFO): New.
415 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
417 (ASM_OUTPUT_DOUBLE_INT): New.
419 * config/i386/linux64.h: New spec file for Linux x86-64 support.
420 * config.gcc: Fix tm_file settings for x86-64.
421 * config/i386/x86-64.h: New file with OS independent x86-64
423 * config/i386/biarch64.h: New file used to configure compiler
424 to biarch/64bit compilation.
426 * config/i386/i386.c: (override_options): Set flags default
427 for 64bit compilation.
429 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
431 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
432 (ix86_expand_int_movcc): Optimize DImode conditional moves with
434 (ix86_attr_length_immediate_default): Support MODE_DI.
435 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
437 (indirect_jump, tablejump): Turn into expander.
439 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
441 * c-common.c (c_format_attribute_table): Make format and
442 format_arg attributes apply to function types rather than to
444 (is_valid_printf_arglist): Construct an attribute list and pass
445 that to check_function_format rather than a name.
446 * c-common.h (check_function_format): Adjust prototype.
447 * c-decl.c (duplicate_decls): Preserve attributes from type of
448 built-in decl when allowing for harmless conflict in types.
449 * c-format.c (record_function_format,
450 record_international_format, function_format_list,
451 international_format_info, international_format_list): Remove.
452 (function_format_info): Remove next, name and assembler_name.
453 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
454 (decode_format_attr): New.
455 (handle_format_attribute): Handle receiving a type rather than a
456 decl. Call decode_format_attr. Store format information in a
457 function_format_info.
458 (handle_format_arg_attribute): Correct comment. Handle receiving
459 a type rather than a decl. Use unsigned HOST_WIDE_INT for
461 (check_format_info_recurse, check_format_info_main): Take argument
462 numbers as unsigned HOST_WIDE_INT.
463 (check_function_format): Take a list of attributes from the
464 function type rather than a name or assembler name. Check for
465 format attributes in that list and the attributes on the type of
466 the current function rather than looking through
467 function_format_list.
468 (check_format_info): Use unsigned HOST_WIDE_INT for argument
470 (check_format_info_recurse): Take format_arg attributes from the
471 type of the function calls rather than using
472 international_format_list. Allow for multiple format_arg
474 * c-typeck.c (build_function_call): Pass type attributes to
475 check_function_format rather than name or assembler name. Don't
476 require there to be a name or assembler name to check formats.
478 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
480 * attribs.c (decl_attributes): Possibly call
481 insert_default_attributes to insert default attributes on
482 functions in a lazy manner.
483 * builtin-attrs.def: New file; define the default format and
484 format_arg attributes.
485 * c-common.c (c_format_attribute_table): Move to earlier in the
487 (c_common_nodes_and_builtins): Initialize format_attribute_table.
488 (enum built_in_attribute, built_in_attributes,
489 c_attrs_initialized, c_init_attributes,
490 c_common_insert_default_attributes): New.
491 (c_common_lang_init): Don't initialize format_attribute_table. Do
492 call c_init_attributes.
493 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
494 * c-common.h (init_function_format_info): Don't declare.
495 (c_common_insert_default_attributes): Declare.
496 * c-decl.c (implicitly_declare, builtin_function): Call
498 (init_decl_processing): Don't call init_function_format_info.
499 (insert_default_attributes): New.
500 * c-format.c (handle_format_attribute,
501 handle_format_arg_attribute): Be quiet about inappropriate
502 declaration when applying default attributes.
503 (init_function_format_info): Remove.
504 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
505 (insert_default_attributes): Declare.
507 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
509 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
511 2001-10-01 Jim Wilson <wilson@redhat.com>
513 * sched-deps.c (add_dependence): When elide conditional dependence,
514 check that insn doesn't modify cond2.
516 2001-10-01 Dale Johannesen <dalej@apple.com>
518 * config/rs6000/rs6000.h (enum processor_type): Add support
519 for 7400 (G4) and 7450.
521 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
522 (rs6000_issue_rate): Ditto.
523 (rs6000_adjust_cost): Fix cycle counts for compares.
524 (debug_stack_info): Fix an obvious typo.
525 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
526 * doc/invoke.texi: Document.
527 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
529 (PROCESSOR_DEFAULT): Ditto.
531 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
533 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
534 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
535 later recursive make invocation.
537 2001-10-01 Hans Boehm <boehm@acm.org>
539 * optabs.c (emit_libcall_block): When using non-call exceptions,
540 don't add REG_LIBCALL reg notes to trapping calls.
542 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
544 * flow.c (propagate_block_delete_libcall): Remove unused first arg
545 (propagate_one_insn): Update for above change
547 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
549 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
550 _Unwind_GetTextRelBase): Argument is unused.
552 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
555 Loop through NOPs, placeholders, and components.
556 Don't go through NOPs if change mode.
557 (record_alias_subset): Do nothing if SUBSET and SET are the same.
558 * emit-rtl.c (set_mem_alias_set): Enable check.
559 * expr.c (find_placeholder): New function.
560 (expand_expr, case PLACEHOLDER_EXPR): Use it.
561 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
562 to modify it and avoid unneeded copies.
563 * expr.h (expand_expr): Always define.
564 (find_placeholder): New declaration.
566 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
568 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
569 operand 2 is the stack pointer.
570 ("addr-peephole"): Fix address computation peephole when operand 2
571 is the stack pointer.
573 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
575 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
576 (ix86_setup_incoming_varargs): Likewise.
578 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
580 * stor-layout.c (layout_type): Don't complain about too-large
583 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
585 * function.c (keep_stack_depressed): Don't use delete_insn.
587 * expr.h (set_mem_alias_set): Move decl to here.
588 * rtl.h (mem_attrs): New typedef and struct.
589 (union rtunion_def): Add field for mem_attrs.
590 (X0MEMATTR, MEM_ATTRS): New macros.
591 (MEM_ALIAS_SET): Use MEM_ATTRS.
592 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
593 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
594 (set_mem_alias_set): Delete decl from here.
596 * alias.c (set_mem_alias_set): Delete from here.
597 * emit-rtl.c (mem_attrs_htab): New variable.
598 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
599 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
600 (mem_attrs_mark, get_mem_attrs): Likewise.
601 (gen_rtx_MEM): Clear MEM_ATTRS.
602 (set_mem_attributes): Move to here.
603 (set_mem_alias_set): Likewise, and call get_mem_attrs.
604 (init_emit_once): const_int_htab now deletable htab.
605 Initialize mem_attrs_htab.
606 * explow.c (set_mem_attributes): Delete from here.
607 * function.c (put_var_into_stack): Clear MEM_ATTRS.
608 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
609 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
610 * reload1.c (reload): Rework changing REG to MEM.
612 2001-09-30 H.J. Lu <hjl@gnu.org>
614 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
615 * config.in: Rebuild.
617 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
619 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
620 ("tsthi_1"): Avoid allocation in register y.
621 ("*movqi_68hc12"): Reorganize and fix constraints.
622 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
623 ("addqi3"): Likewise.
624 ("addhi3"): Fix constraints.
625 ("*logicalhi3_zexthi"): Disparage soft registers.
627 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
629 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
632 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
634 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
635 that we use setjmp/longjmp exceptions.
637 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
639 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
640 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
641 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
642 _cpp_pool_alloc, _cpp_next_chunk): Remove.
643 (_cpp_extend_buff, BUFF_ROOM): Update.
644 (_cpp_append_extend_buff): New.
645 (struct cpp_reader): Remove macro_pool, add a_buff.
646 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
648 (cpp_destroy): Free a_buff instead of macro_pool.
649 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
650 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
651 _cpp_pool_alloc, ): Remove.
652 (parse_number, parse_string): Update use of _cpp_extend_buff.
653 (_cpp_extend_buff): Update.
654 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
655 * cpplib.c (glue_header_name, parse_answer):
656 Update use of _cpp_extend_buff.
657 (cpp_register_pragma, cpp_register_pragma_space): Use
659 (do_assert, do_unassert): Check for EOL, update.
660 * cppmacro.c (stringify_arg, collect_args): Update to use
661 _cpp_extend_buff and _cpp_append_extend_buff.
662 (save_parameter, parse_params, alloc_expansion_token,
663 _cpp_create_definition): Rework memory management.
665 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
667 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
668 update md_exec_prefix.
669 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
672 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
674 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
675 (SELECT_CC_MODE): Use s390_select_ccmode.
676 * config/s390/s390-protos.h (s390_select_ccmode): Add.
677 * config/s390/s390.c (s390_select_ccmode): New.
678 (s390_match_ccmode): Add CCLmode.
679 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
680 (output_branch_condition, output_inverse_branch_condition): Removed.
681 (print_operand): Use s390_branch_condition_mnemonic.
682 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
683 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
684 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
686 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
687 when converting conditional branches to far branches.
688 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
689 cmpint_di): Use CCSmode instead of CCUmode.
691 * config/s390/s390.c (legitimate_la_operand_p): New.
692 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
693 * config/s390/s390.md (movsi): Convert load address patterns to
694 arithmetic operations when necessary.
695 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
696 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
697 (*do_la_reg_0): Don't use before reload.
699 * config/s390/s390.c (legitimize_address): Make more efficient
700 use of two-register addressing mode.
702 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
703 with -mno-backchain in some corner cases.
705 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
707 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
709 * reload.c (find_reloads): Mark new USE insns with QImode.
710 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
711 find_reloads_subreg_address): Likewise.
712 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
714 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
716 (reload): Make sure there are no USEs with mode other than
717 VOIDmode. At the end, remove those marked with QImode.
719 2001-09-29 Per Bothner <per@bothner.com>
721 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
722 * Makefile.in (includedir): Rename to local_includedir.
723 (includedir): Define as $(prefix)/include.
724 * config.in (PREFIX_INCLUDE_DIR): New variable.
725 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
727 2001-09-29 Bernd Schmidt <bernds@redhat.com>
729 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
731 * doc/extend.texi (Vector Extensions): New node.
732 * doc/invoke.texi (Machine Dependent Options): Add documentation for
733 i386 -mmmx, -msse, -m3dnow.
735 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
737 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
739 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
741 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
743 * doc/invoke.texi (Optimize Options): Delete spurious @table.
745 2001-09-28 Richard Henderson <rth@redhat.com>
747 * varasm.c (assemble_integer): Bound alignment check by
750 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
752 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
754 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
756 2001-09-25 Bernd Schmidt <bernds@redhat.com>
758 Mostly from Graham Stott <grahams@redhat.com>
759 * c-common.c (type_for_mode): Add support for V2SFmode.
760 * tree.c (build_common_tree_nodes_2): Likewise.
761 * tree.h (enum tree_index, global_trees): Likewise.
762 * config/i386/i386.c (x86_3dnow_a): New variable.
763 (override_options): Support 3Dnow extensions.
764 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
765 Athlon's version of 3Dnow.
766 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
767 (ix86_expand_builtin): Handle them.
768 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
769 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
770 TARGET_3DNOW_A): New macros.
771 (TARGET_SWITCHES): Add 3Dnow switches.
772 (VALID_MMX_REG_MODE_3DNOW): New macro.
773 (VECTOR_MODE_SUPPORTED_P): Use it.
774 (enum ix86_builtins): Add entries for 3Dnow builtins.
775 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
776 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
777 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
778 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
779 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
780 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
781 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
782 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
783 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
784 sfence_insn, prefetch): Make these available if TARGET_SSE or
787 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
789 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
790 ix86_va_start, ix86_build_va_list): Declare.
791 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
792 ix86_va_start, ix86_build_va_list): New global functions.
793 * i386.md (sse_prologue_save_insn): New insn.
794 (sse_prologue_save): New expander.
795 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
796 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
798 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
800 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
801 Use size_t everywhere, make definitions consistent with
804 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
806 * gcse.c (replace_store_insn): Use delete_insn.
807 * loop.c (move_movables): Likewise; avoid delete_insn
808 from clobbering notes moved elsewhere.
809 (check_dbra_loop): Use delete_insn.
810 * ssa.c (convert_from_ssa): Likewise.
811 * cse.c (cse_insn): Use delete_insn.
813 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
815 * cpphash.h (struct cpp_buff): Make unsigned.
816 (_cpp_get_buff): Take length of size_t.
817 (_cpp_unaligned_alloc): New.
818 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
819 (struct cpp_reader): Remove ident_pool. Add u_buff.
820 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
821 (cpp_destroy): Destroy u_buff, not ident_pool.
822 * cpplex.c (parse_number, parse_string, save_comment,
823 cpp_token_as_text): Update to use the unaligned buffer.
824 (new_buff): Make unsigned.
825 (_cpp_unaligned_alloc): New.
826 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
827 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
829 (collect_args): Make unsigned.
831 2001-09-27 Zack Weinberg <zack@codesourcery.com>
833 * cpplex.c (cpp_output_token): Use a putc loop for
834 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
836 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
837 * configure, config.in: Regenerate.
838 * system.h: Replace fwrite and fprintf with their unlocked
839 variants if available.
841 2001-09-27 Richard Henderson <rth@redhat.com>
843 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
844 in favour of .eh_frame.
846 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
848 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
850 (LIBCALL_VALUE): Likewise.
852 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
854 * cpphash.h: Update comment.
855 * cpplex.c: Update comments.
856 (_cpp_can_paste): Remove.
857 * cpplib.h (_cpp_can_paste): Remove.
858 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
859 lexer rather than _cpp_can_paste.
861 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
863 * doc/cppinternals.texi: Update.
865 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
867 * cpphash.h (struct cpp_pool): Remove locks and locked.
868 (struct cpp_context): Add member buff.
869 (struct cpp_reader): Remove member argument_pool.
870 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
871 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
872 * cpplex.c (chunk_suitable): Remove pool argument.
873 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
874 (new_buff, _cpp_extend_buff): Update.
875 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
876 which buffer is returned.
877 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
878 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
879 * cppmacro.c (lock_pools, unlock_pools): Remove.
880 (push_ptoken_context): Take a _cpp_buff.
881 (enter_macro_context): Pool locking removed.
882 (replace_args): Use a _cpp_buff for the replacement list with
884 (push_token_context): Clear buff.
885 (expand_arg): Use _cpp_pop_context.
886 (_cpp_pop_context): Free a context's buffer, if any.
888 2001-09-26 DJ Delorie <dj@redhat.com>
890 * c-typeck.c (digest_init): Check for sizeless arrays.
892 2001-09-26 Richard Henderson <rth@redhat.com>
894 * optabs.c (init_one_libfunc): Create a dummy function type
895 instead of using error_mark_node.
897 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
899 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
900 _cpp_extend_buff, _cpp_free_buff): New.
901 (struct cpp_reader): New member free_buffs.
902 * cppinit.c (cpp_destroy): Free buffers.
903 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
904 _cpp_extend_buff, _cpp_free_buff): New.
905 * cpplib.h (struct cpp_options): Remove unused member.
906 * cppmacro.c (collect_args): New. Combines the old parse_arg
907 and parse_args. Use _cpp_buff for memory allocation.
908 (funlike_invocation_p, replace_args): Update.
910 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
914 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
916 * except.c (sjlj_mark_call_sites): Change address inside sequence.
918 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
920 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
923 2001-09-25 Janis Johnson <janis187@us.ibm.com>
924 Jim Wilson <wilson@redhat.com>
926 * doc/install.texi (Specific, ia64-*-linux): Document.
928 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
930 * Makefile.in (cfgrtl.o): Add.
931 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
932 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
933 free_aux_for_edge): Declare.
935 (HAVE_return): Undefine.
936 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
937 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
938 free_aux_for_edge): New global functions.
939 (first_delete_block): New static variable.
940 (init_flow): Clear first_delete_block.
941 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
942 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
943 try_redirect_by_replacing_jump, last_loop_beg_note,
944 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
945 delete_insn, delete_insn_chain, create_basic_block_structure,
946 create_basic_block, flow_delete_block, compute_bb_for_insn,
947 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
948 set_block_for_new_insns, split_block, merge_blocks_nomove,
949 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
950 redirect_edge_and_branch, force_nonfallthru_and_redirect,
951 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
952 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
953 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
954 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
955 purge_all_dead_edges): Move to ....
956 * cfgrtl.c: New file; .... Here.
958 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
959 (reroder_basic_block): Use alloc_aux_for_blocks.
960 * predict.c (estimate_bb_frequencies): Likewise; use
962 * profile.c (compute_branch_probabilities): Likewise.
963 (branch_prob): Likewise.
964 * reg-stack.c (reg_to_stack): Likewise.
966 * emit-rtl.c (emit_insns_after): Never return NULL.
968 * basic-block.h (set_block_for_new_insns): Delete.
969 * cfgrtl.c (set_block_for_new_insns): Delete.
971 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
972 calls when crossjumping.
974 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
975 * unroll.c (copy_loop_body): Use delete_insn.
977 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
978 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
979 keep_stack_depressed): Likewise.
980 * gcse.c (cprop_cc0_jump): Likewise.
981 * local-alloc.c (update_equiv_regs): Likewise.
982 * loop.c (scan_loop, loop_delete_insns): Likewise.
983 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
984 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
985 delete_output_reload, delete_address_reloads_1,
986 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
988 * sibcall.c (replace_call_placeholder): Likewise.
989 * cse.c (cse_insn): Likewise.
991 2001-09-25 Bernd Schmidt <bernds@redhat.com>
993 From Graham Stott <grahams@redhat.com>
994 (def_builtin): Only define builtins appropriate for target_flags. All
996 (builtin_decsription): Add new field mask which is used to determine
997 when to define the builtin via the macro def_builtin.
999 (bdesc_comi): Initialise new mask fields.
1000 (bdesc_2srg): Likewise.
1001 (bdesc_1arg): Likewise.
1003 * config/i386/i386.c (ix86_init_builtins): Correct return type
1004 building v4hi_ftype_v4hi_int_int tree node.
1005 (ix86_expand_sse_comi): Fix typo swapping operands.
1006 Don't swap comparision condition, it is already swapped.
1007 (ix86_expand_sse_compare): Before swapping operands
1008 move operand 1 into new rtx and not the target rtx.
1009 Don't swap comparison condition, it is already swapped.
1010 Always check whether we need to create a new TARGET.
1012 * config/i386/i386.md: (sse_comi) Fix typos.
1013 (sse_ucomi): Likewise.
1014 (cvtss2si): Fix operand 0 contraint.
1015 (cvttss2si): Likewise.
1016 (sse_unpckhps): Fix mode for operand 2.
1017 (sse_unpcklps): Likewise.
1019 2001-09-25 Graham Stott <grahams@redhat.com>
1021 * sibcall.c (skip_copy_to_return_value): Tighten return value
1024 2001-09-24 David Edelsohn <edelsohn@gnu.org>
1026 * rs6000.c (lwa_operand): Address must be word aligned.
1028 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1030 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
1031 number has been set.
1032 (type_hash_mark): Mark type itself.
1034 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
1036 * c-lex.c (cb_def_pragma): Update.
1037 (c_lex): Update, and skip padding.
1038 * cppexp.c (lex, parse_defined): Update, remove unused variable.
1039 * cpphash.h (struct toklist): Delete.
1040 (union utoken): New.
1041 (struct cpp_context): Update.
1042 (struct cpp_reader): New members eof, avoid_paste.
1043 (_cpp_temp_token): New.
1044 * cppinit.c (cpp_create_reader): Update.
1045 * cpplex.c (_cpp_temp_token): New.
1046 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
1047 (cpp_output_token): Don't print leading whitespace.
1048 (cpp_output_line): Update.
1049 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
1050 do_include_common, do_line, do_ident, do_pragma,
1051 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
1052 parse_assertion): Update.
1053 (get_token_no_padding): New.
1054 * cpplib.h (CPP_PADDING): New.
1055 (AVOID_LPASTE): Delete.
1056 (struct cpp_token): New union member source.
1057 (cpp_get_token): Update.
1058 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
1059 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
1060 replace_args, quote_string, stringify_arg, parse_arg, next_context,
1061 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
1062 _cpp_backup_tokens, _cpp_create_definition): Update.
1063 (push_arg_context): Delete.
1064 (padding_token, push_token_context, push_ptoken_context): New.
1065 (make_string_token, make_number_token): Update, rename.
1066 (cpp_get_token): Update to handle tokens as pointers to const,
1067 and insert padding appropriately.
1068 * cppmain.c (struct printer): New member prev.
1069 (check_multiline_token): Constify.
1070 (do_preprocessing, cb_line_change): Update.
1071 (scan_translation_unit): Update to handle spacing.
1072 * scan-decls.c (get_a_token): New.
1073 (skip_to_closing_brace, scan_decls): Update.
1074 * fix-header.c (read_scan_file): Update.
1076 * doc/cpp.texi: Update.
1078 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
1081 leak by passing malloc'ed pointer to reconcat, not concat.
1083 2001-09-24 DJ Delorie <dj@redhat.com>
1085 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
1087 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
1089 * flow.c (delete_dead_jumptables): Delete jumptable if the only
1090 reference is from the literal pool.
1092 2001-09-24 Janis Johnson <janis187@us.ibm.com>
1094 * doc/install.texi (Final install): Request additional information
1095 in mail about successful builds.
1097 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1099 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
1100 initial value of return pointer register instead of value in frame-20.
1103 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1105 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
1106 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
1107 the libcall if there isn't a referenced identifier for the symbol.
1109 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1111 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
1112 non 64-bit machines. Use these as a plabel for the trampoline.
1113 (TRAMPOLINE_SIZE): Adjust size for new words.
1114 (INITIALIZE_TRAMPOLINE): Initialize new words.
1115 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
1116 pointer to the plabel in the trampoline.
1118 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
1120 * pa.c (function_arg): Pass floating arguments in both general and
1121 floating registers in indirect (dynamic) calls when generating code
1122 for the 32 bit ABI and the HP assembler.
1124 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1126 * doc/install.texi: Markup fixes.
1127 Use Solaris 2, SunOS 4 as appropriate.
1128 (Specific, *-*-solaris2*): Explain this.
1129 Unconditionally warn against /usr/ucb tools.
1130 Remove Sun as warning, obsolete.
1131 Move X11 header bug workaround here, update patches.
1132 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
1133 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
1135 2001-09-23 Zack Weinberg <zack@codesourcery.com>
1137 * errors.h (warning, error, fatal, internal_error): Don't mark
1138 with ATTRIBUTE_PRINTF_n.
1139 * toplev.h (internal_error, fatal_io_error, warning, error,
1140 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
1141 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
1144 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1146 * function.c (pop_function_context_from): var_refs_queue
1147 and temp slots now in GC memory.
1148 (mark_function_status, free_after_compilation): Likewise;
1149 also struct function now in GC memory.
1150 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
1151 (combine_temp_slots): Likewise.
1152 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
1153 (prepare_function_start): Use GC memory for struct function.
1154 (mark_temp_slot): Deleted.
1155 (gcc_mark_struct_function): struct function now in GC memory.
1157 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
1158 code for division, not modulus.
1160 * rtl.def (MEM): Remove obsolete part of comment.
1162 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
1164 * c-format.c (init_function_format_info): Check __builtin_printf
1165 and __builtin_fprintf even if -ffreestanding. Check C99 functions
1168 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170 * c-common.c (format_attribute_table): Remove decl.
1171 * tree.h (format_attribute_table, lang_attribute_table): New decls.
1172 (lang_attribute_common): Likewise.
1174 * function.c (fix_lexical_address): Use set_mem_alias_set.
1175 (expand_function_start): Likewise.
1176 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
1178 * varasm.c (output_constant): Fix unused variable warning.
1180 * attribs.c: New file, from c-common.c.
1181 (attribute_tables): Now four elements.
1182 (format_attribute_table, lang_attribute_common): New variables.
1183 (init_attributes): Reflect above changes.
1184 (handle_mode_attribute): Delete check for wider than uintmax.
1185 * c-common.c: Delete parts moved to attribs.c.
1186 (enum attrs): Deleted; unused.
1187 (c_format_attribute_table): New variable.
1188 (c_common_lang_init): Initialize format_attribute_table with it.
1189 * c-common.h (decl_attributes): Remove decl.
1190 * tree.h (decl_attribute): Move it to here.
1191 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
1192 (attribs.o): New rule.
1194 2001-09-22 Andreas Jaeger <aj@suse.de>
1196 * builtins.c (c_getstr): Remove unused variable.
1198 2001-09-21 Richard Henderson <rth@redhat.com>
1200 * reload1.c (reload): Use delete_insn instead of splatting
1203 2001-09-21 Richard Henderson <rth@redhat.com>
1205 * reload.c (push_secondary_reload): Don't check for "=" in output
1206 constraint after ""->ALL_REGS check.
1208 2001-09-21 Richard Henderson <rth@redhat.com>
1210 * predict.c (expected_value_to_br_prob): Use pc_set.
1212 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
1213 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
1215 2001-09-21 Richard Henderson <rth@redhat.com>
1217 * rtl.h (LCT_RETURNS_TWICE): New.
1218 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1220 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1221 to ECF_RETURNS_TWICE.
1222 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1225 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1227 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1228 (JMP_BUF_SIZE): New.
1230 2001-09-21 Richard Henderson <rth@redhat.com>
1232 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1235 2001-09-21 Richard Henderson <rth@redhat.com>
1237 * tree.def (FDESC_EXPR): New.
1238 * expr.c (expand_expr): Handle it.
1239 * varasm.c (initializer_constant_valid_p): Likewise.
1240 (output_constant): Likewise.
1241 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1242 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1243 (ASM_OUTPUT_FDESC): New.
1244 * doc/tm.texi: Document the new macros.
1246 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1248 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1249 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1250 once merging is complete.
1252 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1256 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1258 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1259 that would be invalid after a merge.
1261 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1263 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1264 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1266 (flow_delete_insn): This one.
1267 (delete_insn_chain): Rename from ...; do not care labels.
1268 (flow_delete_insn_chain): ... this one.
1269 (flow_delete_block): Remove the insns one BB has been expunged.
1270 (merge_blocks_nomove): Likewise.
1271 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1272 updating BB boundaries.
1273 (tidy_fallthru_edge): Likewise.
1274 (commit_one_edge_insertion): Likewise.
1275 * cfgbuild.c (find_basic_block): Likewise.
1276 (find_basic_blocks_1): Likewise.
1277 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1278 (try_crossjump_to_edge): Likewise.
1279 (try_optimize_cfg): Likewise.
1280 * cse.c (delete_trivially_dead_insns): Likewise.
1281 * df.c (df_insn_delete): Likewise.
1282 * doloop.c (doloop_modify): Use delete_related_insns.
1283 * emit-rtl.c (try_split): Likewise.
1284 (remove_insn): Update BB boundaries.
1285 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1286 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1287 updating BB boundaries.
1288 (propagate_block_delete_insn): Likewise.
1289 (propagate_block_delete_libcall): Likewise.
1290 * function.c (delete_handlers): Use delete_related_insns.
1291 (thread_prologue_and_epilogue_insns): Likewise.
1292 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1293 * genpeep.c (gen_peephole): Use delete_related_insns.
1294 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1296 (find_cond_trap): Likewise.
1297 * integrate.c (save_for_inline): Use delete_related_insns.
1298 (copy_insn_list): Likewise.
1299 * jump.c (pruge_linie_number_notes): Likewise.
1300 (duplicate_loop_exit_test): Likewise.
1301 (delete_computation): Likewise.
1302 (delete_related_insn): Rename from ...; use delete_insn
1303 (delete_insn): ... this one.
1304 (redirect_jump): Use delete_related_insns.
1305 * loop.c (scan_loop): Likewise.
1306 (move_movables): Likewise.
1307 (find_and_verify_loops): Likewise.
1308 (check_dbra_loop): Likewise.
1309 * recog.c (peephole2_optimize): Likewise.
1310 * reg-stack.c (delete_insn_for_stacker): Remove.
1311 (move_for_stack_reg): Use delete_insn.
1312 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1313 * reload1.c (delete_address_reloads): Use delete_related_insns.
1314 (fixup_abnormal_edges): Use delete_insn.
1315 * recog.c (emit_delay_sequence): Use delete_related_insns.
1316 (delete_from-delay_slot): Likewise.
1317 (delete_scheduled_jump): likewise.
1318 (optimize_skip): Likewise.
1319 (try_merge_delay_insns): Likewise.
1320 (full_simple_delay_slots): Likewise.
1321 (fill_slots_from_thread): Likewise.
1322 (relax_delay_slots): Likewise.
1323 (make_return_insns): Likewise.
1324 (dbr_schedule): Likewise.
1325 * rtl.h (delete_insn): Rename to delete_related_insns.
1326 (delete_insn, delete_insn_chain): New prototypes.
1327 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1328 by df_insn_delete already.
1329 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1330 * ssa.c (convert_from_ssa): Use delete_related_insns.
1331 * unroll.c (unroll_loop): Likewise.
1332 (calculate_giv_inc): Likewise.
1333 (copy_loop_body): Likewise.
1335 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1336 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1337 ix86_return_in_memory, ix86_function_value): Declare.
1338 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1339 new static valurables.
1340 (x86_64_reg_class): New enum
1341 (x86_64_reg_class_name): New array.
1342 (classify_argument, examine_argument, construct_container,
1343 merge_classes): New static functions.
1344 (optimization_options): Enable flag_omit_frame_pointer and disable
1345 flag_pcc_struct_return on 64bit.
1346 (ix86_libcall_value, ix86_function_value,
1347 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1348 ix86_return_in_memory, ix86_function_value): New global functions.
1349 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1350 (function_arg_advance): Handle x86_64 passing conventions.
1351 (function_arg): Likewise.
1352 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1353 (RETURN_IN_MEMORY): Move offline.
1354 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1355 (FUNCTION_VALUE_REGNO_P): New macro.
1356 (FUNCTION_ARG_REGNO_P): Move offline.
1357 (struct ix86_args): Add maybe_vaarg.
1358 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1359 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1361 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1363 * s390.md: Changed attributes for scheduling.
1364 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1367 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1369 Table-driven attributes.
1370 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1371 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1372 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1373 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1374 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1375 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1376 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1377 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1378 * tree.h (struct tree_decl): Change machine_attributes to
1380 * doc/c-tree.texi: Document that all attributes are now attached
1382 * c-common.c (add_attribute, attrtab, attrtab_idx,
1383 default_valid_lang_attribute, valid_lang_attribute): Remove.
1384 (attribute_tables, attributes_initialized,
1385 c_common_attribute_table, default_lang_attribute_table): New
1387 (handle_packed_attribute, handle_nocommon_attribute,
1388 handle_common_attribute, handle_noreturn_attribute,
1389 handle_unused_attribute, handle_const_attribute,
1390 handle_transparent_union_attribute, handle_constructor_attribute,
1391 handle_destructor_attribute, handle_mode_attribute,
1392 handle_section_attribute, handle_aligned_attribute,
1393 handle_weak_attribute, handle_alias_attribute,
1394 handle_no_instrument_function_attribute,
1395 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1396 handle_no_limit_stack_attribute, handle_pure_attribute): New
1398 (init_attributes, decl_attributes): Rewrite to implement
1399 table-driven attributes.
1400 * c-common.h (enum attribute_flags): Move to tree.h.
1401 * c-format.c (decl_handle_format_attribute,
1402 decl_handle_format_arg_attribute): Rename to
1403 handle_format_attribute and handle_format_arg_attribute. Update
1404 for table-driven attributes.
1405 * c-common.h (decl_handle_format_attribute,
1406 decl_handle_format_arg_attribute): Remove prototypes.
1407 (handle_format_attribute, handle_format_arg_attribute): Add
1409 * c-decl.c (grokdeclarator): Handle attributes nested inside
1411 * c-parse.in (setattrs, maybe_setattrs): Remove.
1412 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1413 Update to handle nested attributes properly.
1414 (maybe_resetattrs, after_type_declarator,
1415 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1416 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1418 (make_pointer_declarator): Update to handle nested attributes
1420 * doc/extend.texi: Update documentation of limits of attributes
1421 syntax. Warn about problems with attribute semantics in C++.
1422 * target.h (struct target): Remove valid_decl_attribute and
1423 valid_type_attribute. Add attribute_table and
1424 function_attribute_inlinable_p.
1425 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1426 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1427 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1429 (TARGET_INITIALIZER): Update.
1430 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1432 (function_attribute_inlinable_p): New function. Check for the
1433 presence of any machine attributes before using
1434 targetm.function_attribute_inlinable_p.
1435 (function_cannot_inline_p): Update.
1436 * Makefile.in (integrate.o): Update dependencies.
1437 * doc/tm.texi: Update documentation of target attributes and
1438 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1439 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1441 (default_target_attribute_table,
1442 default_function_attribute_inlinable_p): New.
1443 (lookup_attribute): Update comment to clarify handling of multiple
1444 attributes with the same name.
1445 (merge_attributes, attribute_list_contained): Allow multiple
1446 attributes with the same name but different arguments to appear in
1447 the same attribute list.
1448 * tree.h (default_valid_attribute_p): Remove prototype.
1449 (struct attribute_spec): New.
1450 (default_target_attribute_table): Declare.
1451 (enum attribute_flags): Move from c-common.h. Add
1452 ATTR_FLAG_TYPE_IN_PLACE.
1453 (default_function_attribute_inlinable_p): Declare.
1454 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1455 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1456 (TARGET_ATTRIBUTE_TABLE): Define.
1457 (vms_attribute_table): New.
1458 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1459 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1460 (TARGET_ATTRIBUTE_TABLE): Define.
1461 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1462 * config/arm/arm.c (arm_valid_type_attribute_p,
1463 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1465 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1467 (TARGET_ATTRIBUTE_TABLE): Define.
1468 (arm_attribute_table, arm_handle_fndecl_attribute,
1469 arm_handle_isr_attribute): New.
1470 * config/avr/avr.c (avr_valid_type_attribute,
1471 avr_valid_decl_attribute): Remove.
1472 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1474 (TARGET_ATTRIBUTE_TABLE): Define.
1475 (avr_attribute_table, avr_handle_progmem_attribute,
1476 avr_handle_fndecl_attribute): New.
1477 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1478 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1479 (TARGET_ATTRIBUTE_TABLE): Define.
1480 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1481 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1482 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1483 (TARGET_ATTRIBUTE_TABLE): Define.
1484 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1485 h8300_handle_eightbit_data_attribute,
1486 h8300_handle_tiny_data_attribute): New.
1487 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1488 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1490 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1492 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1493 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1495 (TARGET_ATTRIBUTE_TABLE): Define.
1496 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1497 ix86_handle_regparm_attribute): New.
1498 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1499 i386_pe_valid_type_attribute_p): Remove.
1500 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1501 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1502 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1503 (TARGET_ATTRIBUTE_TABLE): Define.
1504 (ia64_attribute_table): New.
1505 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1506 interrupt_ident2, model_ident1, model_ident2): Remove.
1507 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1508 (TARGET_ATTRIBUTE_TABLE): Define.
1509 (init_idents): Update.
1510 (m32r_attribute_table, m32r_handle_model_attribute): New.
1511 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1513 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1514 (TARGET_ATTRIBUTE_TABLE): Define.
1515 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1516 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1517 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1518 (TARGET_ATTRIBUTE_TABLE): Define.
1519 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1520 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1521 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1522 (TARGET_ATTRIBUTE_TABLE): Define.
1523 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1524 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1525 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1526 (TARGET_ATTRIBUTE_TABLE): Define.
1527 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1528 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1529 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1530 (TARGET_ATTRIBUTE_TABLE): Define.
1531 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1532 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1534 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1536 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1537 (TARGET_ATTRIBUTE_TABLE): Define.
1538 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1540 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1541 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1542 (TARGET_ATTRIBUTE_TABLE): Define.
1543 (v850_attribute_table, v850_handle_interrupt_attribute,
1544 v850_handle_data_area_attribute): New.
1545 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1546 Return void. Call decl_attributes instead of
1547 valid_machine_attribute.
1549 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1551 * sh-protos.h (sh_pr_n_sets): Declare.
1552 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1553 look at the copy to determine if PR needs to be saved.
1554 sh_pr_n_sets: New function.
1555 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1556 (ALLOCATE_INITIAL_VALUE): Define.
1558 * sh.c (initial_elimination_offset):
1559 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1561 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1563 * integrate.c (allocate_initial_values): New function.
1564 * integrate.h (allocate_initial_values): Declare.
1565 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1567 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1569 * toplev.c (rest_of_compilation): To here.
1570 Call allocate_initial_values.
1571 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1573 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1575 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1577 2001-09-20 DJ Delorie <dj@redhat.com>
1579 * c-typeck.c (really_start_incremental_init): Discriminate
1580 between zero-length arrays and flexible arrays.
1581 (push_init_level): Detect zero-length arrays and handle them
1582 like fixed-sized arrays.
1583 * expr.c (store_constructor): Handle zero-length arrays and
1584 flexible arrays correctly.
1585 * doc/extend.texi: Update zero-length array notes.
1587 2001-09-20 Jim Wilson <wilson@redhat.com>
1589 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1590 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1591 for issue port conflicts.
1592 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1594 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1596 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1599 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1601 * fold-const.c (hashtab.h): Include.
1602 (int_const_binop): Remove FORSIZE arg and compute from type; all
1604 Call size_int_type_wide for all single-word constants.
1605 (size_htab_hash, size_htab_eq): New functions.
1606 (size_int_type_wide): Rework to use hash table.
1607 * ggc-common.c (hashtab.h): Include.
1608 (struct d_htab_root): New struct.
1609 (d_htab_roots): New variable.
1610 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1611 (ggc_mark_roots): Handle deletable htabs.
1612 * ggc-page.c (ggc_marked_p): New function.
1613 * ggc-simple.c (ggc_marked_p): Likewise.
1614 * ggc.h: Reformatting throughout.
1615 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1616 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1617 (type_hash_add): Allocate struct type_hash from GC memory.
1618 (mark_hash_entry, mark_type_hash): Deleted.
1619 (type_hash_marked_p, type_hash_mark): New functions.
1620 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1622 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1624 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1627 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1629 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1630 array-too-large test for signed sizetype.
1632 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1634 * i386.md (indirect_jump): Allow Pmode operand.
1635 (tablejump): LIkewise; perform expansion to 64bit mode.
1636 * i386.c (symbolic_operand): Allow 64bit PIC references.
1637 (pic_symbolic_operand): Likewise.
1638 (ix86_find_base_term): Strip the 64bit PIC references.
1639 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1640 (legitimize_pic_address): Likewise.
1641 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1642 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1644 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1646 * stringpool.c (get_identifier_with_length): New function.
1647 * tree.h (get_identifier_with_length): New prototype.
1649 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1650 David Edelsohn <edelsohn@gnu.org>
1653 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1654 already sign-extended.
1656 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1657 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1659 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1660 (output_profile_hook): Declare label_name const.
1661 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1662 to match constraints.
1664 2001-09-19 Stan Shebs <shebs@apple.com>
1666 * alias.c: Fix typos in comments.
1667 * sched-rgn.c (init_ready_list): Ditto.
1668 * unwind-dw2.c (uw_frame_state_for): Ditto.
1669 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1670 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1671 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1673 2001-09-19 Richard Henderson <rth@redhat.com>
1675 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1677 * Makefile.in (cfg.o): Depend on TM_P_H.
1679 2001-09-19 Richard Henderson <rth@redhat.com>
1681 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1682 (local_symbolic_operand): ... here.
1683 (small_symbolic_operand): Check mode.
1684 (global_symbolic_operand): New.
1685 (input_operand): Reject symbolics if explicit relocs.
1686 (call_operand): Tidy.
1687 (alpha_legitimize_address): Use movdi_er_high_g.
1688 (alpha_expand_mov): Likewise.
1689 * config/alpha/alpha-protos.h: Update.
1690 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1691 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1692 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1693 (UNSPECV_LDGP2): Remove.
1694 (all call patterns): Use 's' not 'i' for symbolic constraint.
1695 (call_osf call_value_osf): Use call_operand.
1696 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1697 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1698 (prologue_ldgp_1_er): Remove.
1699 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1700 (builtin_setjmp_receiver_er patterns): Use them.
1701 (exception_receiver_er): Likewise.
1703 2001-09-19 Richard Henderson <rth@redhat.com>
1705 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1707 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1708 and NON_LOCAL_GOTO notes.
1709 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1710 copy over CALL_INSN_FUNCTION_USAGE.
1712 2001-09-18 Catherine Moore <clm@redhat.com>
1714 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1717 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1719 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1720 new-style tm_file specification. Specify correct tm_p_file,
1721 md_file, and out_file for s390x.
1723 * config/s390/linux.h, linux64.h: Don't include other target
1724 macro header files. Now handled via tm_file.
1726 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1727 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1728 are defined before use.
1730 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1732 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1733 code generation only for Gnu assembler.
1735 2001-09-18 Catherine Moore <clm@redhat.com>
1737 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1739 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1741 * config/mips/mips.c (mips_frame_set): New.
1742 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1743 a parallel frame-related expression with a set for each register.
1745 2001-09-18 Philip Blundell <philb@gnu.org>
1747 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1750 2001-09-17 Dale Johannesen <dalej@apple.com>
1752 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1753 * config/rs6000/aix.h (FIXED_R2): Define.
1754 * config/rs6000/darwin.h (FIXED_R2): Define.
1755 * config/rs6000/sysv4.h (FIXED_R2): Define.
1757 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1759 * except.c (dw2_build_landing_pads): New local
1760 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1761 barrier after clobbers. Fixes c++/4012.
1763 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1765 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1767 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1769 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1770 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1772 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1774 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1777 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1779 * cpphash.h (_cpp_lex_direct): New.
1780 * cpplex.c (_cpp_lex_token): Update.
1781 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1782 and increment that pointer.
1783 * cppmacro.c (alloc_expansion_token): New.
1784 (lex_expansion_token): Lex macro expansion directly into
1787 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1789 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1791 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1793 * basic-block.h (free_bb_for_insn): Declare.
1794 * bb-reorder.c (label_for_bb): Use block_label.
1795 (emit_jump_to_block_after): Remove.
1796 (insert_intra_1): Do not update block_for_insn.
1797 (insert_inter_bb_scope_notes): Likewise; update bb->end
1798 * cfg.c (free_bb_for_insn): New.
1799 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1800 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1801 (commit_one_edge_insertion): Likewise.
1802 (commit_one_edge_insertion): Do not update BB boundary.
1803 (commit_edge_insertions): Do not call compute_bb_for_insn.
1804 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1805 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1806 (merge_blocks_move_successor_nojumps): Likewise.
1807 (try_crossjump_to_edge): Do not update block_for_insn.
1808 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1809 * df.c (df_pattern_emit_later): Do not update BB boundary.
1810 (df_jump_pattern_emit_after): Likewise.
1811 (df_insn_move_before): Use emit_insn_before.
1812 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1814 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1815 boundaries and basic_block_for_insn.
1816 (reorder_insns_nobb): Rename from reorder_insns.
1817 (reorder_insns): New.
1818 (emit_block_insn_before, emit_block_insn_after): Kill.
1819 * flow.c (check_function_return_warnings): Do not call
1820 compute_bb_for_insn; Do not free basic_block_for_insn.
1821 (attempt_auto_inc): Do not update basic_block_for_insn.
1822 * function.c (emit_return_into_block): Likewise;
1823 do not update BB boundaries.
1824 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1825 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1826 (pre_insert_copy_insn): Likewise.
1827 (update_ld_motion_notes): Likewise.
1828 (insert_insn_start_bb): Likewise.
1829 (replace_store_insn): Likewise.
1830 * ifcvt.c (noce_process_if_block): Likewise.
1831 (if_convert): Do not call compute_bb_for_insn.
1832 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1833 Use emit_insn_before and emit_insn_after.
1834 * recog.c (split_all_insns): Do not update BB boundaries;
1835 Do not call compute_bb_for_insn.
1836 (peephole2_optimize): Do not update BB boundaries.
1837 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1839 (emit_swap_insn): Likewise.
1840 (convert_regs_1): Likewise.
1841 * reload1.c (reload): Call compute_bb_for_insn.
1842 * rtl.h (reorder_insns_nobb): Declare.
1843 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1844 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1845 at places CFG is invalidated; do not call compute_bb_for_insn.
1847 * cfg.c (expunge_block): Invalidate BB structure.
1849 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1852 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1854 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1856 * cpphash.h (_cpp_lex_token): Update prototype.
1857 * cpplex.c (_cpp_lex_token): New prototype.
1858 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1859 lex_macro_node, read_flag, do_pragma_poison): Update.
1860 * cppmacro.c (cpp_get_token, parse_params,
1861 lex_expansion_token): Update.
1863 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1865 * cppmain.c (scan_translation_unit): Don't worry about
1866 putting a space after hashes.
1867 * cpplib.c (directive_diagnostics): New.
1868 (_cpp_handle_directive): Update to use directive_diagnostics.
1869 (run_directive): Don't toggle prevent_expansion.
1870 (do_line): Backup in case of the line extension.
1871 * cpplib.h (cpp_lexer_pos): Remove.
1872 * cppmacro.c (_cpp_create_definition): Precede a leading #
1875 2001-09-15 Richard Henderson <rth@redhat.com>
1877 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1879 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1881 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1883 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1885 PR preprocessor/3571
1886 * tradcpp.c (handle_directive): Skip non-vertical space.
1888 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1890 * cppmain.c (setup_callbacks): Set line callback only
1891 if outputting preprocessed source.
1893 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1895 * collect2.c (main): Const-ification.
1896 * gcc.c (translate_options, process_command): Use xstrdup in
1897 lieu of xmalloc/strcpy.
1898 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1900 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1902 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1905 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1907 * scan-decls.c (scan_decls): Fix typo.
1909 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1911 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1912 Split mlstring_pos into mls_line and mls_col.
1913 * cppinit.c (cpp_create_reader): Initialize line to 1.
1914 (cpp_destroy): Free tokenruns.
1915 (push_include): Don't update lexer_pos.
1916 * cpplex.c (unterminated, parse_string): Update.
1917 (lex_token): Don't update lexer_pos, update.
1918 * cpplib.c (if_stack): Save line instead of line + col.
1919 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1920 push_conditional, _cpp_pop_buffer): Update.
1921 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1922 (_cpp_create_definition): Update.
1924 2001-09-15 Eric Christopher <echristo@redhat.com>
1926 * config/mips/abi64.h: Add support for MEABI.
1928 2001-09-15 Eric Christopher <echristo@redhat.com>
1930 * config/mips/mips.md: Add unspec #2.
1932 (reload_outdi): Ditto.
1933 (reload_outsi): Ditto.
1936 2001-09-15 Eric Christopher <echristo@redhat.com>
1937 Jason Eckhardt <jle@redhat.com>
1939 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1940 * config/mips/isa32-linux.h: New file.
1941 * config/mips/isa3264.h: Ditto.
1942 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1943 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1944 (output_block_mode): Support MEABI.
1945 (function_arg): Ditto. Fix floating point arg passing.
1946 (mips_va_start): Ditto.
1947 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1949 (mips_asm_file_start): Add new section to pass abi to gdb.
1950 (function_arg_pass_by_reference): Support MEABI.
1951 (mips_parse_cpu): Support mips32 and mips64 processors.
1952 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1953 TARGET_MIPS5KC. Support isa32 and isa64.
1954 (processor_type): Add r4kc, r5kc, r20kc.
1955 (GENERATE_MULT3_SI): New.
1956 (GENERATE_MULT3_DI): Ditto.
1957 (GENERATE_MULT3): Remove.
1958 (ISA_HAS_64BIT_REGS): Add isa == 64.
1959 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1960 (ISA_HAS_MADD_MSUB): New.
1961 (ISA_HAS_CLZ_CLO): Ditto.
1962 (ISA_HAS_DCLZ_DCLO): Ditto.
1963 (ABI_GAS_ASM_SPEC): New.
1964 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1967 (SUBTARGET_CC1_SPEC): Ditto.
1968 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1969 (PAD_VARARGS_DOWN): Support MEABI.
1970 (HARD_REGNO_NREGS): Move to mips.c.
1971 (ASM_OUTPUT_IDENT): Add #undef.
1972 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1973 (mulsi3): Use GENERATE_MULT3_SI.
1974 (mulsi3_mult3): Ditto. Support mips32, mips64.
1975 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1976 (mul_sub_si): New pattern.
1977 (unnamed splitters): New.
1978 (muldi3): Use GENERATE_MULT3_DI.
1979 (muldi3_internal2): Ditto.
1980 (movdicc): Support mips32.
1981 * config/mips/t-isa3264: New file.
1983 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1985 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1986 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1987 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1989 * reorg.c (fill_slots_from_thread): After call to
1990 steal_delay_list_from_target, update own_thread as new_thread may
1993 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1995 * cpperror.c (print_location): Take line and column, for
1996 default positioning use the previously lexed token.
1997 (_cpp_begin_message): Take line and column.
1998 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1999 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2000 * cpphash.h (_cpp_begin_message): Update prototype.
2001 * cppinit.c (push_include): Don't set output line.
2002 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
2003 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
2004 (do_pragma): Kludge for front ends. Don't expand macros at all.
2005 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
2006 (struct cpp_token): Remove output_line.
2007 (struct cpp_callbacks): New member line_change.
2008 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
2009 cpp_get_token): Preserve BOL flag.
2010 (cpp_get_line): Remove.
2011 (_cpp_backup_tokens): Remove useless abort().
2012 * cppmain.c (cb_line_change): New.
2013 (scan_translation_unit): Don't worry about starting new lines here.
2014 * scan-decls.c (scan_decls): Update.
2015 * c-lex.c (c_lex, init_c_lex): Update.
2016 (cb_line_change, src_lineno): New.
2018 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
2020 * tree.c (append_random_chars): Generate the random
2021 characters in a reproducable fashion.
2023 2001-09-14 Richard Henderson <rth@redhat.com>
2025 * config/i386/i386.c (internal_label_prefix): New.
2026 (internal_label_prefix_len): New.
2027 (override_options): Set them.
2028 (local_symbolic_operand): New.
2029 (legitimate_pic_address_disp_p): Use it.
2030 (legitimize_pic_address): Likewise.
2032 2001-09-14 Marc Espie <espie@openbsd.org>
2034 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
2037 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2039 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
2040 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
2042 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
2044 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
2045 invocation of SUBREG_REGNO_OFFSET.
2047 * haifa-sched.c: Fix typo in FSF copyright statement.
2048 * sched-deps.c: Fix typo in FSF copyright statement.
2049 * sched-ebb.c: Fix typo in FSF copyright statement.
2050 * sched-rgn.c: Fix typo in FSF copyright statement.
2051 * sched-vis.c: Fix typo in FSF copyright statement.
2053 * config.gcc: Move inclusion of arm elf specific header files
2054 from the files themselves into the tm_file variable. Make
2055 sure that elfos.h is included before target specific elf
2057 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
2059 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
2060 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
2061 ASM_OUTPUT_CASE_LABEL): Protect definition.
2062 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
2063 not already defined.
2064 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
2065 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
2066 Remove duplicate definition.
2067 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
2068 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
2069 (RDATA_SECTION_FUNCTION): Remove redundant definition.
2070 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
2071 Remove inclusion of arm/elf.h.
2072 * config/arm/unknown-elf.h: as for conix-elf.h.
2073 (STARTFILE_SPEC): Include crti.o and crtn.o.
2074 * config/arm/linux-elf.h: as for conix-elf.h.
2075 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
2076 * config/arm/strongarm-elf.h: Remove inclusion of
2078 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
2079 * config/arm/unknown-elf-oabi.h: Remove inclusion of
2080 unknown-elf.h and elf.h.
2081 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
2082 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
2083 ASM_WEAKEN_LABEL): Remove redundant definition.
2084 * config/arm/elf.h: Test for inclusion of elfos.h
2085 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
2086 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
2087 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
2088 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
2089 redundant definition.
2090 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
2091 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
2092 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
2093 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
2094 Add rules to build crti.o and crtn.o
2095 * crti.asm: New file.
2096 * crtn.asm: New file.
2098 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
2100 * c-parse.in (_yylex): Use _cpp_backup_tokens.
2101 * cpphash.h (struct tokenrun): Add prev.
2102 (struct lexer_state): Remove bol.
2103 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
2104 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
2106 * cppinit.c (cpp_create_reader): Don't set bol.
2107 (cpp_destroy): Don't free lookaheads.
2108 * cpplex.c (lex_directive): Remove.
2109 (next_tokenrun): Update.
2110 (_cpp_lex_token): Clean up logic.
2111 (lex_token): Update to return a pointer to lexed token, since it
2112 can move to the start of the buffer. Simpify newline handling.
2113 * cpplib.c (SEEN_EOL): Update.
2114 (skip_rest_of_line): Remove lookahead stuff.
2115 (end_directive): Line numbers are already incremented. Revert
2116 to start of lexed token buffer if we can.
2117 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
2118 parse_answer): Use _cpp_backup_tokens.
2119 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
2120 instead. Don't check for EOL.
2121 (do_include_common, do_line, do_pragma_system_header): Use
2123 * cpplib.h (BOL, _cpp_backup_tokens): New.
2124 * cppmacro.c (save_lookahead_token, take_lookahead_token,
2125 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
2126 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
2127 (builtin_macro): Don't use cpp_get_line.
2128 (cpp_get_line): Short term kludge.
2129 (parse_arg): Handle directives in arguments here. Back up when
2130 appropriate. Store EOF at end of argument list.
2131 (funlike_invocation_p): Use _cpp_backup_tokens.
2132 (push_arg_context): Account for EOF at end of list.
2133 (cpp_get_token): Remove lookahead stuff. Update.
2135 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2137 * c-parse.in (yyerror): Const-ification and/or static-ization.
2138 * c-typeck.c (push_member_name): Likewise.
2139 * collect2.c (main): Likewise.
2140 * dbxout.c (dbxout_parms): Likewise.
2141 * diagnostic.c (format_with_decl): Likewise.
2142 * dwarf2out.c (output_ranges): Likewise.
2143 * dwarfout.c (fundamental_type_code): Likewise.
2144 * except.c (dw2_output_call_site_table): Likewise.
2145 * gcc.c (do_spec_1): Likewise.
2146 * genopinit.c (optabs): Likewise.
2147 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
2148 gen_declaration_1, handle_impent): Likewise.
2149 * protoize.c (default_include, in_system_include_dir, abspath):
2151 * sched-vis.c (visualize_stall_cycles): Likewise.
2152 * sdbout.c (plain_type_1, sdbout_end_function,
2153 sdbout_end_epilogue): Likewise.
2154 * varasm.c (decode_reg_name): Likewise.
2156 * 1750a.c (mod_regno_adjust): Likewise.
2157 * alpha.c (alpha_write_one_linkage,
2158 unicosmk_output_default_externs): Likewise.
2159 * arm.c (arm_condition_codes): Likewise.
2160 * arm.h (arm_condition_codes): Likewise.
2161 * avr.c (output_movsisf, encode_section_info): Likewise.
2162 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
2164 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2165 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
2166 * m88k.c (output_function_profiler): Likewise.
2167 * mips.c (mips_output_conditional_branch): Likewise.
2168 * ns32k.c (ns32k_out_reg_names): Likewise.
2169 * ns32k.h (ns32k_out_reg_names): Likewise.
2170 * pj.c (pj_output_rval): Likewise.
2171 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
2172 * sparc.c (sparc_flat_function_prologue,
2173 sparc_flat_function_epilogue): Likewise.
2175 2001-09-13 Markus Werle <numerical.simulation@web.de>
2176 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2178 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
2179 Aachen University of Technology".
2181 2001-09-13 Andreas Schwab <schwab@suse.de>
2183 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
2186 2001-09-13 Richard Henderson <rth@redhat.com>
2188 * config/alpha/alpha.c (small_symbolic_operand): New.
2189 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
2190 (some_operand, input_operand): Don't handle HIGH.
2191 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
2192 (alpha_expand_mov): Likewise.
2193 (print_operand) [H]: Just print HIGH symbol.
2194 (print_operand_address): Handle small data.
2195 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
2196 (TARGET_SWITCHES): Add -msmall-data/large-data.
2197 (PIC_OFFSET_TABLE_REGNUM): New.
2198 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
2199 (PREDICATE_COES): Update.
2200 * config/alpha/alpha.md (adddi_er_high): New.
2201 (adddi_er_low): Handle small data.
2202 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
2203 prefer .sdata to .rodata.
2204 (SELECT_RTX_SECTION): Likewise.
2206 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
2208 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
2209 defining __size_t and leaving size_t undefined.
2211 2001-09-12 Diego Novillo <dnovillo@redhat.com>
2213 * basic-block.h (expunge_block): Declare.
2214 * cfg.c (expunge_block): Remove static declaration.
2216 2001-09-12 Richard Henderson <rth@redhat.com>
2218 * integrate.c (copy_insn_list): Copy label name from
2219 NOTE_INSN_DELETED_LABEL.
2221 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2223 * c-common.c (c_tree_code_name): Const-ification.
2224 * c-decl.c (c_decode_option): Likewise.
2225 * c-typeck.c (warn_for_assignment): Likewise.
2226 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2228 * cppinit.c (output_deps): Likewise.
2229 * dependence.c (dependence_string, direction_string): Likewise.
2230 * dwarf2out.c (output_ranges): Likewise.
2231 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2232 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2233 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2234 standard_startfile_prefix, standard_startfile_prefix_1,
2235 standard_startfile_prefix_2, tooldir_base_prefix,
2236 standard_bindir_prefix, find_a_file): Likewise.
2237 * genattrtab.c (make_length_attrs): Likewise.
2238 * gencheck.c (tree_codes): Likewise.
2239 * genemit.c (gen_split): Likewise.
2240 * genrecog.c (special_mode_pred_table): Likewise.
2241 * graph.c (graph_ext): Likewise.
2242 * protoize (default_include): Likewise.
2243 * reload.c (reload_when_needed_name): Likewise.
2244 * sched-vis.c (visualize_stall_cycles): Likewise.
2245 * tlink.c (recompile_files): Likewise.
2246 * toplev.c (decode_g_option): Likewise.
2247 * tradcpp.c (output_deps): Likewise.
2248 * varasm.c (decode_reg_name): Likewise.
2250 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2253 * avr.c (avr_regnames, encode_section_info): Likewise.
2254 * c4x.c (float_reg_names): Likewise.
2255 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2256 * elfos.h (const_section): Likewise.
2257 * i386.c (ix86_comp_type_attributes): Likewise.
2258 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2259 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2260 * ia64.c (type_names): Likewise.
2261 * m68hc11.c (reg_class_names): Likewise.
2262 * m88k.c (m_options): Likewise.
2263 * mips.c (mips_output_conditional_branch, mips_unique_section):
2265 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2266 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2267 ultra_code_names): Likewise.
2268 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2270 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2272 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2273 Use --fatal-warnings option for gas.
2274 * configure: Rebuilt.
2276 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2278 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2280 2001-09-11 Jim Wilson <wilson@redhat.com>
2282 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2284 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2286 * builtins.c (c_strlen): Treat an offset too large for a
2287 HOST_WIDE_INT as out of range.
2289 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2291 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2292 (EDGE_CRITICAL_P): New predicate.
2293 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2295 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2296 (dump_edge_info): Remove "crit".
2297 * cfganal.c (mark_critical_edges): Kill.
2298 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2299 * cfgcleanup.c (cleanup_cfg): Likewise.
2300 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2301 (find_spanning_tree): Likewise.
2302 * reg-stack.c (convert_regs_1): Likewise.
2303 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2305 * basic-block.h (create_basic_block_structure): New.
2306 (create_basic_block): Update prototype.
2307 (force_nonfallthru): New.
2308 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2309 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2310 handle updating of block_for_insn, creating of empty BBs and BBs at
2311 the end of INSN chain.
2312 (create_basic_block): New function.
2313 (split_block): Use create_basic_block.
2314 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2315 (redirect_edge_and_branch_force): ... here.
2316 (force_nonfallthru): New.
2317 (split_edge): Rewrite to use force_nonfallthru and create_block.
2318 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2319 (find_basic_blocks): Free basic_block_for_insn.
2320 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2322 * cfg.c: Fix formating.
2323 * cfgcleanup.c: Fix formating.
2324 (merge_blocks, tail_recursion_label_p): Return bool.
2325 (merge_blocks_move_predecessor_nojumps,
2326 merge_blocks_move_successor_nojumps): Return void.
2328 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2330 * configure.in: Check whether assembler supports section merging.
2331 * config.in: Rebuilt.
2332 * configure: Rebuilt.
2333 * varasm.c (variable_section, output_constant_pool): Pass alignment
2334 to SELECT_SECTION and SELECT_RTX_SECTION.
2335 (mergeable_string_section): New.
2336 (mergeable_constant_section): New.
2337 (default_elf_asm_named_section): Output SECTION_MERGE and
2338 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2339 * output.h (mergeable_string_section): New.
2340 (mergeable_constant_section): New.
2341 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2342 * toplev.c (flag_merge_constants): New.
2343 (f_options): Add -fmerge-constants and -fmerge-all-constants
2345 (toplev_main): Default to -fno-merge-constants if not optimizing.
2346 * flags.h (flag_merge_constants): Add extern.
2347 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2348 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2350 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2351 Define if assembler has working .subsection -1 support.
2352 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2353 Put constant into special SHF_MERGE sections if the linker should
2354 attempt to merge duplicates.
2355 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2357 Put constant into special SHF_MERGE sections if the linker should
2358 attempt to merge duplicates.
2359 * config/alpha/elf.h: Likewise.
2360 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2361 has working .subsection -1 support.
2362 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2364 * config/svr3.h: Likewise.
2365 * config/darwin.h: Likewise.
2366 * config/arm/aof.h: Likewise.
2367 * config/arm/linux-elf.h: Likewise.
2368 * config/avr/avr.h: Likewise.
2369 * config/c4x/c4x.h: Likewise.
2370 * config/d30v/d30v.h: Likewise.
2371 * config/i386/dgux.h: Likewise.
2372 * config/i386/osfrose.h: Likewise.
2373 * config/i386/sco5.h: Likewise.
2374 * config/i386/svr3gas.h: Likewise.
2375 * config/ia64/aix.h: Likewise.
2376 * config/m32r/m32r.h: Likewise.
2377 * config/m68k/m68k.h: Likewise.
2378 * config/m88k/dgux.h: Likewise.
2379 * config/m88k/m88k.h: Likewise.
2380 * config/mcore/mcore-pe.h: Likewise.
2381 * config/mips/mips.h: Likewise.
2382 * config/pa/pa.h: Likewise.
2383 * config/pa/pa-linux.h: Likewise.
2384 * config/romp/romp.h: Likewise.
2385 * config/rs6000/sysv4.h: Likewise.
2386 * config/rs6000/xcoff.h: Likewise.
2387 * config/s390/linux.h: Likewise.
2388 * config/sparc/sparc.h: Likewise.
2389 * config/sparc/sysv4.h: Likewise.
2390 * config/stormy16/stormy16.h: Likewise.
2391 * config/v850/v850.h: Likewise.
2392 * config/vax/vms.h: Likewise.
2393 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2394 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2395 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2396 default_elf_asm_named_section for SHF_MERGE sections.
2398 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2400 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2403 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2405 * c-common.c (split_specs_attrs): Allow for empty attributes with
2406 empty TREE_PURPOSE. Fixes PR c/4294.
2408 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2410 * basic-block.h (cached_make_edge, make_single_succ): New.
2411 (make_edge): Remove first parameter.
2412 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2413 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2414 created edge; use obstack allocation.
2415 (make_edge, make_single_succ_edge): New.
2416 (first_removed_edge): New static variable.
2417 (init_flow): Initialize first_removed_edge and n_edges.
2418 (clear_edges): Use remove_edge.
2419 (flow_delete_block): Likewise.
2420 (remove_edge): Add removed edges to the removed edges list.
2421 (split_block, redirect_edge_and_branch_force, split_edge):
2423 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2424 (add_noreturn_fake_exit_edges): Likewise.
2425 (connect_infinite_loops_to_exit): Liekwise.
2426 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2427 Use cached_make_edge.
2428 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2429 * profile.c (branch_prob): Update make_edge call.
2430 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2432 2001-09-11 Richard Henderson <rth@redhat.com>
2434 * config/alpha/alpha.c: Tidy formatting.
2435 (local_symbolic_operand): Verify mode.
2436 (alpha_sa_mask): Ignore unicos for eh_return.
2437 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2438 * config/alpha/alpha.md (umk divsi patterns): Remove.
2439 (extendsfdf2): Remove unicos check.
2440 (tablejump): Merge vms and unicos code; always use direct set
2443 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2445 * config.gcc (alpha*-*-unicosmk*): New target.
2447 * config/alpha/alpha-protos.h (symbolic_operand,
2448 unicosmk_add_call_info_word, unicosmk_add_extern,
2449 unicosmk_defer_case_vector, unicosmk_unique_section,
2450 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2451 unicosmk_asm_file_start, unicosmk_asm_file_end,
2452 unicosmk_output_common): Declare.
2454 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2455 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2456 alpha_does_function_need_gp, alpha_end_function): Support Cray
2458 (alpha_init_machine_status, alpha_mark_machine_status,
2459 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2460 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2461 unicosmk_asm_named_section, unicosmk_insert_attributes,
2462 unicosmk_section_type_flags, symbolic_operand,
2463 unicosmk_output_module_name, unicosmk_output_default_externs,
2464 unicosmk_output_dex, unicosmk_output_externs,
2465 unicosmk_output_addr_vec, unicosmk_ssib_name,
2466 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2467 unicosmk_asm_file_end, unicosmk_output_common,
2468 unicosmk_section_type_flags, unicosmk_unique_section,
2469 unicosmk_add_call_info_word, unicosmk_text_section,
2470 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2471 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2472 unicosmk_dex_count, unicosmk_special_name): New.
2473 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2474 TARGET_ABI_UNICOSMK.
2475 (get_aligned_mem, alpha_expand_unaligned_load,
2476 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2477 alpha_expand_unaligned_store_words): Support big-endian mode.
2478 (print_operand): Likewise. New format specifier 't'. Use
2479 TARGET_AS_SLASH_BEFORE_SUFFIX.
2480 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2481 (alpha_pv_save_size): Update with above change.
2482 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2483 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2486 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2487 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2488 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2489 (EXTRA_CONSTRAINT): New constraint 'U'.
2490 (PREDICATE_CODES): Add symbolic_operand.
2492 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2493 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2494 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2495 (integer division and modulus patterns): Split in default and
2497 (*divmodsi_internal, *divmoddi_internal): Disable for
2498 TARGET_ABI_UNICOSMK.
2499 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2500 little-endian and big-endian versions.
2501 (ext, ins, msk): Likewise.
2502 (extv, extzv, insv): Support big-endian mode.
2503 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2504 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2505 *tablejump_umk_internal, *call_value_umk): New.
2506 (*movdi_nofix): Add pattern for loading an address into a register on
2507 TARGET_ABI_UNICOSMK.
2508 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2509 (umk_mismatch_args, arg_home_umk): New.
2510 (various insns): Don't use mov, fmov, nop, fnop and unop.
2511 (realign): Support TARGET_ABI_UNICOSMK.
2513 * config/alpha/unicosmk.h: New file.
2514 * config/alpha/t-unicosmk: New file.
2516 * fixinc/inclhack.def (unicosmk_restrict): New.
2517 * fixinc/fixincl.x: Regenerate.
2519 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2520 (wchar_t): Check for and define __WCHAR_T__.
2522 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2524 * combine.c (simplify_shift_const): Treat shifts by the mode
2527 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2529 * cpphash.h (struct tokenrun): New.
2530 (struct cpp_context): New member bol.
2531 (struct cpp_reader): New members.
2532 (_cpp_init_tokenrun): New.
2533 * cppinit.c (cpp_create_reader): Set up the token runs.
2534 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2535 (lex_token): New internalised version of _cpp_lex_token. Don't
2536 handle directives or the multiple include opimisation here any
2537 more. Simply lex a token.
2538 * cpplib.c (run_directive): Clear bol.
2539 (_cpp_pop_buffer): Set bol.
2540 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2543 2001-09-11 Michael Meissner <meissner@redhat.com>
2545 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2546 give an error if the user uses -mfp32.
2547 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2549 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2550 floating point register size.
2551 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2553 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2554 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2556 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2557 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2559 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2561 * dbxout.c (dbxout_parms): Fix typo in comment.
2562 * unroll.c (loop_find_equiv_value): Ditto.
2563 * toplev.c (rest_of_compilation): Ditto.
2564 * loop.c (scan_loop): Ditto.
2565 * dwarf2out.c (struct dw_fde_struct): Ditto.
2567 2001-09-10 Zack Weinberg <zackw@panix.com>
2569 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2570 copying identifier when we're just going to throw it away.
2571 (parse_identifier_slow): New routine to handle abnormal cases.
2572 (_cpp_lex_token): Update call site.
2574 * hashtable.c (ht_lookup): Don't assume that the string we've
2575 been given is NUL-terminated.
2576 * system.h: #define __builtin_expect(a, b) to (a) if not
2579 2001-09-10 Michael Meissner <meissner@redhat.com>
2581 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2584 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2586 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2588 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2590 * builtins.c (c_getstr): Correct thinko in last change and further
2593 2001-09-10 Tim Freeman <tim@fungibole.com>
2595 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2596 into varray's and register them as roots with the garbage
2597 collector so they are not collected too soon.
2599 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2601 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2603 * basic-block.h (flow_obstack, label_value_list,
2604 tail_recursion_label_list): Declare
2605 (tidy_fallthru_edges): Declare.
2606 (expunge_block, last_loop_beg_note): Delete.
2607 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2609 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2610 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2611 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2612 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2613 expunge_block, flow_delete_block, compute_bb_for_insn,
2614 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2615 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2616 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2617 try_redirect_by_replacing_jump, last_loop_beg_note,
2618 redirect_edge_and_branch, redirect_edge_and_branch_force,
2619 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2620 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2621 commit_edge_insertions, dump_flow_info, debug_flow_info,
2622 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2623 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2624 Move here from flow.c
2625 * cfganal.c: New file.
2626 (forwarder_block_p, can_fallthru, mark_critical_edges,
2627 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2628 find_unreachable_blocks, create_edge_list, free_edge_list,
2629 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2630 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2631 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2632 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2633 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2634 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2635 Move here from flow.c
2636 * cfgbuild.c: New file
2637 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2638 make_edges, find_basic_blocks_1, find_basic_blocks,
2639 find_sub_basic_blocks): Move here from flow.c
2640 * cfgcleanup.c: New file.
2641 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2642 merge_blocks_move_predecessor_nojumps,
2643 merge_blocks_move_successor_nojumps, merge_blocks,
2644 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2645 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2646 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2648 * cfgloop.c: New file
2649 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2650 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2651 flow_loop_exit_edges_find, flow_loop_nodes_find,
2652 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2653 flow_loop_tree_node_add, flow_loops_tree_build,
2654 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2655 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2656 Move here from flow.c
2657 * flow.c: Remove everything moved elsewhere
2658 * output.h (cleanup_cfg): Return bool.
2660 * bb-reorder.c (reorder_block_def): Remove 'index'.
2661 (insert_intra_1): Add argument BB, set block for new note.
2662 (make_reorder_chain): Do not depdent on BB indexes.
2663 (make_reorder_chain_1): Do not use BB indexes.
2664 (label_for_bb): Likewise; set BB for new insn.
2665 (emit_jump_to_block_after): Likewise.
2666 (fixup_reoder_chain): Sanity check that all basic blocks
2667 are chained; verify newly created insn chain; remove
2668 undocnitional jump simplifying; Do not use BB indexes;
2669 properly initialize count and frequency information;
2670 dump reordered sequence.
2671 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2672 (insert_inter_bb_scope_notes): Set block for new insn.
2673 (reorder_basic_blocks): Dump flow info before reoredering.
2675 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2677 * alias.c (clear_reg_alias_info): Use K&R format definition.
2678 Avoid unsigned warning.
2679 * builtins.c: Use "unsigned int", not "unsigned".
2680 (target_char_cast): Use host_integerp and tree_low_cst.
2681 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2682 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2683 (c_getstr): Likewise.
2684 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2685 (builtin_memcpy_read_str): Avoid unsigned warning.
2686 (expand_builtin_memcpy): Alignments are unsigned.
2687 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2688 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2689 * predict.c (expensive_function_p): LIMIT now unsigned.
2690 * resource.c (mark_target_live_regs): Make some vars unsigned.
2691 * sdbout.c: Use "unsigned int", not "unsigned".
2692 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2693 (sdbout_source_line): Likewise.
2694 (sdbout_record_type_name): Remove "const" for NAME declaration.
2695 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2697 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2699 * calls.c (store_one_arg): Expand comment.
2701 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2703 * calls.c (store_one_arg): Make sure that the entire argument is
2704 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2706 2001-09-09 Richard Henderson <rth@redhat.com>
2708 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2710 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2712 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2714 2001-09-09 Richard Henderson <rth@redhat.com>
2716 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2717 (alpha_this_literal_sequence_number): New.
2718 (alpha_this_gpdisp_sequence_number): New.
2719 (some_operand, input_operand): Add HIGH.
2720 (local_symbolic_operand): New.
2721 (alpha_encode_section_info): New.
2722 (alpha_legitimate_address_p): Allow LO_SUM.
2723 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2724 (alpha_expand_mov): Likewise.
2725 (secondary_reload_class): Check memory_operand not general_operand
2727 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2728 (alpha_expand_unaligned_store): Likewise.
2729 (alpha_expand_unaligned_load_words): Likewise.
2730 (alpha_expand_unaligned_store_words): Likewise.
2731 (alpha_expand_block_clear): Likewise.
2732 (print_operand): Handle %#, %*, %H.
2733 (print_operand_address): Handle LO_SUM.
2735 (alpha_does_function_need_gp): Use it.
2736 (alpha_expand_block_move): Fix signed compare warnings.
2737 (alpha_sa_mask, alpha_align_insns): Likewise.
2738 * config/alpha/alpha-protos.h: Update.
2739 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2740 (MASK_EXPLICIT_RELOCS): New.
2741 (TARGET_SWITCHES): Add -mexplicit-relocs.
2742 (EXTRA_CONSTRAINT): Add 'T'.
2743 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2744 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2745 (ENCODE_SECTION_INFO): Out line.
2746 (REDO_SECTION_INFO_P): New.
2747 (STRIP_NAME_ENCODING): New.
2748 (ASM_OUTPUT_LABELREF): New.
2749 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2750 (PREDICATE_CODES): Update.
2751 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2752 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2753 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2754 builtin_setjmp_receiver_er, exception_receiver_1_er,
2755 call_value_osf_1_er): New patterns.
2756 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2757 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2758 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2759 (FINAL_PRESCAN_INSN): New.
2761 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2763 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2765 2001-09-08 Andreas Jaeger <aj@suse.de>
2767 * i386.h (TARGET_SWITCHES): Fix description.
2769 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2771 * rs6000.c (num_insns_constant): Compute number of instructions
2774 * doc/install.texi: Explain AIX exception handling work-around.
2775 Update URL for AIX fixes.
2777 2001-09-07 Jim Wilson <wilson@redhat.com>
2779 * alias.c (clear_reg_alias_info): New.
2780 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2781 * rtl.h (clear_reg_alias_info): Declare.
2783 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2785 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2787 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2788 (m16m,edivm,emulm): Change declaration to match definition.
2790 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2792 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2793 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2796 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2798 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2799 which have no corresponding C type.
2800 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2801 the representation of 64-bit doubles to work with 64-bit ints.
2803 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2805 * config/mips/mips.c (override_options): Do not override ISA when ABI
2806 specified if MIPS_CPU_STRING_DEFAULT was specified.
2808 2001-09-07 Richard Henderson <rth@redhat.com>
2810 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2811 (express_from_1): Wrap lines.
2812 * rtlanal.c (commutative_operand_precedence): Rename from
2813 operand_preference; export.
2814 * rtl.h: Declare it.
2815 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2816 (simplify_binary_operation): Invoke simplify_plus_minus on
2817 (CONST (PLUS ...)) as well.
2818 (struct simplify_plus_minus_op_data): New.
2819 (simplify_plus_minus_op_data_cmp): New.
2820 (simplify_plus_minus): Use them. Avoid infinite recursion with
2821 simplify_binary_operation wrt CONST.
2823 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2825 * h8300-protos.h (general_operand_dst_push): Remove.
2826 * h8300.c (general_operand_dst_push): Likewise.
2827 * h8300.h (OK_FOR_T): Likewise.
2828 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2829 * h8300.md (pushqi_h8300): New.
2830 (pushqi_h8300hs): Likewise.
2832 (pushhi_h8300): Likewise.
2833 (pushhi_h8300hs): Likewise.
2836 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2838 * genattrtab.c (attr_printf): First arg is unsigned.
2839 Clean up formatting of callers.
2841 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2843 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2846 2001-09-07 Andreas Jaeger <aj@suse.de>
2848 * i386.h (TARGET_SWITCHES): Fix descriptions.
2850 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2852 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2854 2001-09-06 Ira Ruben <ira@apple.com>
2856 Remove OP_IDENTIFIER.
2857 * tree.def (OP_IDENTIFIER): Remove.
2858 * tree.c (tree_node_kind enum): Remove op_id_kind.
2859 (tree_node_kind_names): Remove "op_identifiers".
2860 (make_node): Remove OP_IDENTIFIER test.
2861 (build_op_identifier): Removed because it isn't being used.
2862 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2863 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2865 2001-09-06 Richard Henderson <rth@redhat.com>
2867 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2869 2001-09-06 Richard Henderson <rth@redhat.com>
2871 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2874 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2876 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2877 number used for CR register.
2879 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2880 Joern Rennecke (amylaar@cygnus.com)
2882 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2883 * h8300.c (initial_offset): Handle offset between RP and FP.
2884 (h8300_return_addr_rtx): New function.
2885 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2887 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2888 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2889 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2890 (CAN_ELIMINATE, REGISTER_NAMES):
2891 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2893 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2895 Remove TYPE_NONCOPIED_PARTS.
2896 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2897 (struct tree_type): Remove noncopied_parts.
2898 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2899 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2900 (fixed_type_p): Remove.
2901 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2902 (expand_expr, MODIFY_EXPR): Likewise.
2903 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2904 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2906 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2908 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2910 (mask64_operand): Likewise.
2911 (includes_rldic_lshift_p): Likewise.
2912 (includes_rldicr_lshift_p): Likewise.
2914 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2916 * objc/objc-act.c (build_message_expr): If a class method cannot
2917 be found, do not issue a warning if a corresponding instance
2918 method exists in the root class.
2920 2001-09-05 Richard Henderson <rth@redhat.com>
2922 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2924 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2926 * function.c (ggc_mark_struct_function): Mark f->outer.
2927 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2928 * integrate.c (output_inline_function): ... not here.
2930 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2932 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2934 * i386.c (size_cost): New static variable.
2935 (override_function): Use size_cost when -Os is specified.
2937 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2938 properly; Use current_function_calls_eh_return.
2939 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2940 use leave to avoid depdendancy chain.
2942 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2943 get BB loop_depth instead of computing it from LOOP notes.
2945 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2947 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2949 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2950 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2951 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2953 2001-09-05 Jeffrey A Law (law@cygnus.com)
2954 Jason Merrill (jason@redhat.com)
2956 * stor-layout.c (layout_type): Complain if an array's size can
2957 not be represented in a size_t.
2959 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2961 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2963 * gcc.c: (process_command) Add parentheses around assignment
2964 used as truth value.
2966 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2968 * config/mips/mips.c (save_restore_insns): Don't mark any register
2969 save slots as unchanging if current_function_calls_eh_return.
2971 2001-09-05 Richard Henderson <rth@redhat.com>
2973 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2974 * config/alpha/alpha-protos.h: Declare it.
2975 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2976 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2977 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2978 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2979 (REG_OK_FOR_BASE_P): Select one of the above.
2981 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2983 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2984 (crti.o): Prefix name of object file with $(T).
2987 2001-09-05 David S. Miller <davem@redhat.com>
2989 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2990 * config/sparc/linux64.h: Likewise.
2992 2001-09-05 Andreas Jaeger <aj@suse.de>
2994 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2995 available anymore, remove the documentation.
2996 (i386 Options): Fix typo, cleanup index entries.
2998 * prefix.c (concat): Remove, we can use the version from liberty.
3000 2001-09-05 Richard Henderson <rth@redhat.com>
3002 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
3003 New functions split out of md file expanders.
3004 * config/alpha/alpha-protos.h: Declare them.
3005 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
3007 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
3009 * cppmacro.c (funlike_invocation_p): No need to restore context.
3011 2001-09-04 Richard Henderson <rth@redhat.com>
3013 * reload.c (push_reload): Export.
3014 * reload.h (push_reload): Declare it.
3016 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
3017 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3018 * config/alpha/alpha.c (alpha_legitimize_address): New.
3019 (alpha_legitimize_reload_address): Likewise.
3020 * config/alpha/alpha-protos.h: Declare them.
3022 2001-09-04 Stan Shebs <shebs@apple.com>
3024 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
3025 * config/darwin.c (machopic_stub_name): Account for internally
3026 generated lib calls such as memcpy.
3028 2001-09-04 Richard Henderson <rth@redhat.com>
3030 * unwind.h (_UA_END_OF_STACK): New flag.
3031 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
3033 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
3035 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
3037 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
3039 * config/mips/mips.c (save_restore_insns): Change base_offset to
3040 fp_offset in second call to mips_emit_frame_related_store.
3042 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
3044 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
3045 sometimes be represented as a NOTE of type
3046 NOTE_INSN_DELETED_LABEL.
3047 (Insns): Document NOTE_INSN_DELETED_LABEL.
3049 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
3051 * c-common.h (tree_dump_index): Add more comments.
3052 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
3053 (dump_option_value_info): New struct.
3054 (dump_options): New array.
3055 (dump_switch_p): Parse switch options symbolically.
3056 * doc/invoke.texi (-fdump-ast): Rename to ...
3057 (-fdump-tree): ... here. Document that options are symbolic, and
3058 not all are applicable.
3060 2001-09-04 David S. Miller <davem@redhat.com>
3062 * config/sparc/sparc.md (define_splits): Kill constraints.
3064 Cleanup redundant and unused insn attributes.
3065 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
3066 binary, and move. Mark ialu as default.
3067 (commented out define_function_unit "alu"): Kill.
3068 (define_attr "use_clobbered"): Kill.
3069 (whole file): Kill address insn type references. Replace
3070 all unary/binary/move references with ialu.
3071 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
3072 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
3075 Simplify length insn attribute and make more judicious use
3076 of insn attribute defaulting.
3077 * config/sparc/sparc.md (all insns with length > one): Mark as
3078 insn type multi if real instructions, else use default if
3079 it is a forced splitter.
3080 (all insns with length == one): Use default insn length.
3081 (all insns of type ialu): Use default insn type.
3083 Fix erroneous insn attribute settings.
3084 (addx): Set insn type to misc.
3085 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
3086 const_umulsidi3_sp64): Set insn type to imul.
3088 Track SFmode vs DFmode insns according to UltraSPARC
3090 * config/sparc/sparc.md ("fptype"): New attribute, default
3092 (all DFmode single insns): Mark as fptype "double".
3094 2001-09-03 Jakub Jelinek <jakub@redhat.com>
3096 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
3098 2001-09-03 Richard Henderson <rth@redhat.com>
3100 * function.h (struct function): Add arg_pointer_save_area_init.
3101 * function.c (expand_function_end): Init arg_pointer_save_area.
3102 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
3103 when called from a nested function.
3105 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
3107 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
3110 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3112 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
3114 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
3116 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
3117 (emit_push_insn): Use specified padding direction when
3118 STACK_PUSH_CODE is POST_INC.
3120 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
3122 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3124 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
3126 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
3128 * cppinit.c (cpp_start_read): Free the imacros list as we
3129 traverse it. Don't free the chains before returning.
3130 (_cpp_push_next_buffer): Only try pushing buffers if we've
3131 completed -imacros handling.
3133 2001-08-31 Eric Christopher <echristo@redhat.com>
3135 * gcc.c (handle_braces): Add explaination for abort.
3137 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
3139 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
3140 move adjustment of bitpos instead.
3142 2001-08-31 Zack Weinberg <zack@codesourcery.com>
3144 * function.c: Remove all_functions. Make outer_function_chain
3146 (init_function_start): Don't add new function structure to
3148 (find_function_data, push_function_context_to,
3149 pop_function_context_from, put_var_into_stack,
3150 trampoline_address): Update for changed structure element names.
3151 (push_function_context_to): Disentangle.
3152 (free_after_compilation): Also free F.
3153 (expand_dummy_function_end): Don't free cfun here.
3154 (put_var_into_stack): Comment why we can't use find_function_data here.
3155 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
3156 (mark_function_chain): Split into maybe_mark_struct_function and
3157 ggc_mark_struct_function. Export the latter.
3158 (init_function_once): Mark from cfun and outer_function_chain;
3161 * function.h (struct function): Kill next_global. Rename next
3162 to outer. All users updated to match.
3163 (all_functions, outer_function_chain): Don't declare.
3165 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
3166 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
3167 don't touch f->inlinable, after calling rest_of_compilation.
3169 * tree.h: Forward-declare struct function. Prototype
3170 ggc_mark_struct_function.
3172 2001-08-31 Kazu Hirata <kazu@hxi.com>
3174 * config/h8300/h8300.md (*andorhi3): Fix typos.
3176 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * calls.c (emit_library_call_value): Don't use a fixed
3179 argument after VA_CLOSE, i.e. out of scope in traditional C.
3181 * emit-rtl.c (gen_rtvec): Likewise.
3183 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3185 * Makefile.in (c-pragma.o): Depend on output.h.
3186 (reorg.o): Depend on except.h.
3188 * c-pragma.c: Include output.h.
3190 * reorg.c: Include except.h.
3192 * unwind-dw2.c: Call __builtin_alloca, not alloca.
3194 2001-08-31 Richard Henderson <rth@redhat.com>
3196 * sched-deps.c (add_dependence): Don't elide dependancy if the
3197 conditional used by insn is modified in elem.
3199 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
3201 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
3203 2001-08-31 Diego Novillo <dnovillo@redhat.com>
3205 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
3208 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3210 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
3212 (stormy16_asm_out_constructor): New function.
3213 (TARGET_ASM_CONSTRUCTOR): Define.
3214 (TARGET_ASM_DESTRUCTOR): Define.
3216 2001-08-31 Andreas Jaeger <aj@suse.de>
3218 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3219 * loop.c (add_label_notes): Likewise.
3220 * reload.c (find_reloads): Likewise.
3221 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3223 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3225 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3226 code here. Take _Unwind_{W,Sw}ord*.
3227 (read_encoded_value_with_base): Use them.
3228 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3230 (extract_cie_info): Simplify read_?leb128 handling.
3231 (execute_stack_op, execute_cfa_program): Likewise.
3232 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3234 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3236 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3237 the frame pointer to pop the stack if convenient.
3239 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3240 Don't use post-increment before combine.
3241 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3242 a call-saved register.
3244 2001-08-31 Andreas Jaeger <aj@suse.de>
3246 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3249 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3251 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3252 not DIV/MOD, of course.
3254 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3256 * rtl.def: Undo my patch commited 2001-08-27.
3258 * genattrtab.c: Ditto.
3262 * sched-int.h: Ditto.
3264 * target-def.h: Ditto.
3268 * haifa-sched.c: Ditto.
3270 * sched-rgn.c: Ditto.
3272 * sched-vis.c: Ditto.
3274 * Makefile.in: Ditto.
3276 * doc/md.texi: Ditto.
3278 * doc/tm.texi: Ditto.
3280 * doc/contrib.texi: Ditto.
3282 * doc/gcc.texi: Ditto.
3284 * genattrtab.h: Remove it.
3286 * genautomata.c: Remove it.
3288 * genattr.c: Undo my patch and Richard Henderson's patch commited
3291 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3293 * config.gcc (h8300-*-elf*): New case.
3294 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3295 (SUBTARGET_CPP_SPEC): Define.
3296 (EXTRA_SPECS): Define.
3297 (SUBTARGET_EXTRA_SPECS): Define.
3298 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3299 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3301 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3303 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3304 (LIB2FUNCS_EXTRA): Define.
3305 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3306 config/h8300/fixunssfsi.c: New file.
3308 2001-08-30 Kazu Hirata <kazu@hxi.com>
3310 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3311 define_expand to accomodate target-specific attributes.
3312 (anonymous zero_extendqihi2 patterns): New.
3314 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3316 * h8300.md (*andorhi3): New pattern.
3318 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3320 * h8300.c (dosize): Fix test for "sub".
3322 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3324 * c-typeck.c (pointer_diff): Try to eliminate common term before
3327 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3329 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3330 Account for the saves of the FP registers.
3332 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3333 (TEXT_SECTION_ASM_OP): Define.
3334 (INIT_SECTION_ASM_OP): Define.
3335 (FINI_SECTION_ASM_OP): Define.
3336 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3337 (RDATA_SECTION_FUNCITON): Provide prototype.
3339 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3341 * reload1.c (move2add_note_store): Correct typo checking for
3344 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3346 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3347 note should not be considered outside the libcall block.
3349 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3351 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3353 2001-08-29 Kazu Hirata <kazu@hxi.com>
3355 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3357 2001-08-29 Kazu Hirata <kazu@hxi.com>
3359 * config/h8300/h8300-protos.h: Add a prototype for
3361 * config/h8300/h8300.c (emit_logical_op): New.
3362 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3369 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3371 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3372 comparison with rtx INTVAL.
3373 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3375 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3377 2001-08-29 Kazu Hirata <kazu@hxi.com>
3379 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3382 2001-08-29 Kazu Hirata <kazu@hxi.com>
3384 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3385 (reg n) to (mem (pre_dec (reg n))
3386 (anonymous movsi pattern): Likewise.
3388 2001-08-29 Kazu Hirata <kazu@hxi.com>
3390 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3392 2001-08-29 Kazu Hirata <kazu@hxi.com>
3394 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3395 several special constants.
3397 2001-08-29 Kazu Hirata <kazu@hxi.com>
3399 * config/h8300/lib1funcs.asm: Fix comment typos.
3401 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3403 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3404 Fix format specifier warnings.
3406 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3407 inet_makeaddr, semctl): Prototype.
3409 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3410 (save_restore_insns): Use base_offset, not gp_offset.
3412 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3413 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3415 2001-08-29 Richard Henderson <rth@redhat.com>
3417 * bb-reorder.c (function_tail_eff_head): New.
3418 (record_effective_endpoints): Set it.
3419 (fixup_reorder_chain): Use it.
3421 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3425 2001-08-28 Dale Johannesen <dalej@apple.com>
3427 * config/darwin.c (machopic_function_base_name): Add const
3428 qualifier to a string.
3429 (darwin_encode_section_info): Ditto.
3431 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3433 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3434 function definition.
3436 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3438 * df.h (struct df): Add rts_order variable.
3440 * df.c (df_visit_next_rts): New function.
3441 (df_visit_next): Renamed to df_visit_next_rc
3442 (df_analyse_1): Allocate/compute/free rts_order as well.
3443 (df_rd_global_compute): Use df_visit_next_rc instead of
3445 (df_ru_global_compute): Use df_visit_next_rts instead of
3448 * flow.c (flow_reverse_top_sort_order_compute): New function.
3450 * basic-block.h: Add prototype.
3452 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3454 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3455 blocks, the BB_REACHABLE is now set, rather than aux being
3456 non-NULL. Update the test to reflect this.
3458 2001-08-28 Eric Christopher <echristo@redhat.com>
3460 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3461 config/mips/crti.asm: Ditto.
3463 2001-08-28 Eric Christopher <echristo@redhat.com>
3464 Richard Henderson <rth@redhat.com>
3466 * c-pragma.h (add_weak): Move prototype from here...
3467 * output.h (add_weak): ... to here.
3468 * varasm.c (add_weak): Fix typo.
3469 * config/mips/crti.asm: New file.
3470 * config/mips/crtn.asm: Ditto.
3471 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3472 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3473 (INVOKE__main): Ditto.
3474 (INIT_SECTION_ASM_OP): New.
3475 (FINI_SECTION_ASM_OP): Ditto.
3476 (STARTFILE_SPEC): Add crti.
3477 (ENDFILE_SPEC): Add crtn.
3478 * config/mips/elf64.h: Same.
3479 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3481 * config/mips/vxworks.h: Ditto.
3482 * config/mips/t-elf: Support crti and crtn.
3484 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3486 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3489 2001-08-28 Richard Henderson <rth@redhat.com>
3491 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3492 (one_cmplbi2 splitter): Remove redundant test.
3494 2001-08-28 Dale Johannesen <dalej@apple.com>
3496 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3498 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3500 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3502 2001-08-28 Stan Shebs <shebs@apple.com>
3504 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3505 (UNALIGNED_SHORT_ASM_OP): Define.
3506 (UNALIGNED_INT_ASM_OP): Define.
3508 2001-08-28 Will Cohen <wcohen@redhat.com>
3510 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3511 generation for first set.
3513 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3515 * flow.c (redirect_edge_succ_nodup): Return new edge.
3516 (try_simplify_condjump): Use new edge.
3517 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3519 * cse.c (cse_basic_block): Skip note instructions.
3521 2001-08-27 Richard Henderson <rth@redhat.com>
3523 * combine.c (combine_simplify_rtx): Don't reverse condition
3524 if there is no reverse for the condition.
3525 (simplify_comparison): Don't simplify subregs from INT to FP.
3527 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3528 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3529 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3530 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3531 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3532 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3534 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3536 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3537 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3539 (adddi_dilshr32, adddi_dishl32): Only data register can be
3540 source for mem destination.
3542 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3543 and use bitnum to decide about register move.
3545 2001-08-27 Richard Henderson <rth@redhat.com>
3547 * genattr.c (main): Emit state_t even when not doing scheduling.
3549 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3550 Richard Henderson <rth@redhat.com>
3552 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3553 (reg_avail_info, current_bb): ... these.
3554 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3555 (compute_hash_table): Likewise.
3557 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3559 * flow.c (verify_flow_info): Use checksums to verify edges.
3561 2001-08-27 Richard Henderson <rth@redhat.com>
3563 * genautomata.c (expand_automata): Always create a description.
3565 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3567 * optabs.c (expand_binop): Correctly handle the carry in multiword
3568 add/subtract operations.
3570 2001-08-27 Fred Fish <fnf@be.com>
3572 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3575 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3577 * reload.c (find_reloads_toplev): Back out this change:
3579 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3581 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3582 mem if the address is a mode_dependent_address_p.
3584 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3586 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3587 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3588 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3591 * genattr.c (main): New variable num_insn_reservations. Increase
3592 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3593 pipeline hazard recognizer interface.
3595 * genattrtab.h: New file.
3597 * genattrtab.c: Include genattrtab.h.
3598 (attr_printf, check_attr_test, make_internal_attr,
3599 make_numeric_value): Move protypes into genattrtab.h. Define them
3601 (num_dfa_decls): New global variable.
3602 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3603 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3604 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3605 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3607 * genautomata.c: New file.
3609 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3611 * sched-int.h: (curr_state): Add the external definition for
3612 automaton pipeline interface.
3613 (haifa_insn_data): Add comments for members blockage and units.
3615 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3616 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3617 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3618 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3619 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3620 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3621 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3623 (TARGET_SCHED): Use the new macros.
3625 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3626 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3627 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3628 dfa_bubble): New members in gcc_target.sched.
3630 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3631 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3632 (insn_queue): Redefine it as pointer to array.
3633 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3635 (max_insn_queue_index_macro_value): New variable.
3636 (curr_state, dfa_state_size, ready_try): New varaibles for
3637 automaton interface.
3638 (ready_element, ready_remove, max_issue): New function prototypes
3639 for automaton interface.
3640 (choose_ready): New function prototype.
3641 (insn_unit, blockage_range): Add comments.
3642 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3643 FUNCTION_UNITS_SIZE == 0.
3644 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3645 actual_hazard, potential_hazard): Add comments.
3646 (insn_cost): Use cost -1 as undefined value. Remove
3647 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3649 (ready_element, ready_remove): New functions for automaton
3651 (schedule_insn): Add new code for automaton pipeline interface.
3652 (queue_to_ready): Add new code for automaton pipeline interface.
3653 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3654 (debug_ready_list): Print newline when the queue is empty.
3655 (max_issue): New function for automaton pipeline interface.
3656 (choose_ready): New function.
3657 (schedule_block): Add new code for automaton pipeline interface.
3658 Print ready list before scheduling each insn.
3659 (sched_init): Add new code for automaton pipeline interface.
3660 Initiate insn cost by -1.
3661 (sched_finish): Free the current automaton state and finalize
3662 automaton pipeline interface.
3664 * sched-rgn.c: Include target.h.
3665 (init_ready_list, new_ready, debug_dependencies): Add new code for
3666 automaton pipeline interface.
3668 * sched-vis.c: Include target.h.
3669 (get_visual_tbl_length): Add code for automaton interface.
3670 (target_units, print_block_visualization): Add comments.
3672 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3673 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3674 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3675 (getruntime.o, genautomata.o): New entries.
3676 (genattrtab.o): Add new dependency file genattrtab.h.
3677 (genattrtab): Add new dependencies. Link it with `libm.a'.
3678 (getruntime.o, hashtab.o): New entries for canadian cross.
3680 * doc/md.texi: Description of automaton based model.
3682 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3684 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3685 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3686 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3687 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3688 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3689 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3690 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3692 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3693 MAX_DFA_ISSUE_RATE): New macro descriptions.
3695 * doc/contrib.texi: Add dfa based scheduler contribution.
3697 * doc/gcc.texi: Add more information about genattrtab.
3699 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3701 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3704 2001-08-27 Richard Henderson <rth@redhat.com>
3706 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3707 (get_arg_pointer_save_area): New. Create an init it here.
3708 (fix_lexical_addr): Use it.
3709 * function.h: Declare it.
3710 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3711 * stmt.c (expand_nl_goto_receiver): Use it.
3713 2001-08-27 Richard Henderson <rth@redhat.com>
3715 * final.c (final_scan_insn): Don't enter APP_ON mode for
3718 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3719 alignment for assemble_integer for DW_EH_PE_aligned.
3720 * except.c (output_function_exception_table): Likewise.
3722 2001-08-26 Andreas Jaeger <aj@suse.de>
3724 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3726 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3728 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3730 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3732 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3734 (mask64_operand): Likewise.
3735 (rldic_operand): Delete.
3736 (includes_lshift64_p): Delete.
3737 (includes_rldic_lshift_p): New function.
3738 (includes_rldicr_lshift_p): New function.
3739 (print_operand): Don't call rldic_operand in case 'W'.
3740 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3741 (includes_lshift64_p): Remove.
3742 (includes_rldic_lshift_p): Declare.
3743 (includes_rldicr_lshift_p): Declare.
3744 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3745 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3746 Replace match_operand rldic_operand predicate with
3747 const_int_operand. Replace includes_lshift64_p condition with
3748 includes_rldic_lshift_p.
3749 <ashldi3_internal 64 bit rldicr patterns>: New.
3751 2001-08-27 Andreas Jaeger <aj@suse.de>
3753 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3754 * errors.c: Likewise.
3755 * final.c: Likewise.
3756 * dwarf2asm.c: Likewise.
3757 * doprint.c (checkit): Likewise.
3758 * diagnostic.c: Likewise.
3759 * collect2.c: Likewise.
3760 * calls.c: Likewise.
3761 * c-semantics.c (build_stmt): Likewise.
3762 * c-format.c (status_warning): Likewise.
3763 * c-errors.c (pedwarn_c99): Likewise.
3764 * builtins.c (validate_arglist): Likewise.
3765 * config/pj/pj.c (pj_printf): Likewise.
3766 * fix-header.c: Likewise.
3768 * gcov.c (fnotice): Likewise.
3769 * gensupport.c (message_with_line): Likewise.
3770 * mips-tfile.c: Likewise.
3771 * protoize.c (notice): Likewise.
3772 * read-rtl.c (fatal_with_file_and_line): Likewise.
3773 * rtl-error.c: Likewise.
3774 * tradcpp.c: Likewise.
3776 * cp/tree.c (build_min_nt): Likewise.
3777 (build_min): Likewise.
3778 * cp/lex.c: Likewise.
3779 * cp/errfn.c: Likewise.
3780 * cp/rtti.c (create_pseudo_type_info): Likewise.
3782 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3784 * df.c (df_uses_record): Return after recording all uses
3787 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3789 * df.c (df_insn_modify): Realloc the INSN table here, if
3790 necessary, here, too.
3792 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3794 * config/mips/mips.c (mips_function_value): Handle complex return
3797 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3799 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3801 * reload.c (make_memloc): Copy result if it is still
3802 reg_equiv_memory_loc[regno] on return.
3803 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3804 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3805 reg_equiv_mem are modified by the substitutions.
3807 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3809 * predict.c (expensive_function_p): New.
3810 * rtl.h (expensive_function_p): Declare.
3811 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3812 (use_fast_prologue_epilogue): New static variable.
3813 (expand_prologue): Set it; emit short prologues if unset.
3814 (expand_epilogue): Likewise.
3816 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3818 * config.gcc: Add stormy16-*-elf case.
3819 * config/stormy16/stormy-abi: New file.
3820 * config/stormy16/stormy16-lib2.c: New file.
3821 * config/stormy16/stormy16-protos.h: New file.
3822 * config/stormy16/stormy16.c: New file.
3823 * config/stormy16/stormy16.h: New file.
3824 * config/stormy16/stormy16.md: New file.
3825 * config/stormy16/t-stormy16: New file.
3827 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3829 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3831 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3833 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3834 descriptor members are pointer size, not constant 4.
3835 * config/rs6000/rs6000.md (define_splits): Remove more unused
3838 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3840 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3842 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3844 * cp/rtti.c (VPARAMS): Fix parameter.
3846 2001-08-24 Zack Weinberg <zackw@panix.com>
3848 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3850 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3852 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3853 in if controlling use of insv.
3854 (extract_bit_field): Likewise, for extv and extzv.
3856 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3858 * i386.md (movcc peep2): Fix load of 0.
3860 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3863 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3865 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3867 * c-pragma.h: Move weak_syms and weak_decls...
3868 * varasm.c: ...here. Now static.
3869 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3870 depend on HANDLE_PRAGMA_WEAK.
3872 * c-common.c (c_alignof, c_alignof_expr): Move here...
3873 * c-typeck.c: ...from here.
3874 * c-tree.h, c-common.h: Adjust.
3876 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3878 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3879 instead of incrementing it.
3881 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3882 asm ready, don't try to move them all into the same array element.
3884 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3886 * function.c (thread_prologue_and_epilogue_insns): Avoid
3887 fallthru flag on edge to exit.
3889 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3891 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3894 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3896 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3897 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3898 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3901 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3903 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3904 replace "GNU CC" with "GCC".
3906 2001-08-23 Richard Henderson <rth@redhat.com>
3908 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3909 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3910 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3911 Need GR between FR and not GR_AND_FR.
3912 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3913 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3914 AR regs before GR regs.
3915 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3916 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3917 (REGISTER_MOVE_COST): Update.
3918 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3920 2001-08-23 Richard Henderson <rth@redhat.com>
3922 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3925 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3927 * reload1.c (emit_reload_insns): Don't look for notes
3928 on a NULL store_insn.
3930 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3932 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3933 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3934 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3935 format specifier warnings.
3936 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3938 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3940 * config/i386/i386-protos.h: Correct declaration of
3941 i386_pe_asm_named_section.
3943 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3945 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3947 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3949 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3951 * cpperror.c (print_location): Don't show _Pragma.
3952 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3953 and file change callback generation here.
3954 (stack_include_file): Update use of cpp_push_buffer.
3955 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3956 (struct cpp_buffer): Remove type, pfile members.
3957 * cppinit.c (cpp_handle_option): Use free_chain.
3958 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3959 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3960 a cpp_reader rather than a cpp_buffer.
3961 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3962 skip_line_comment, parse_string, lex_percent, lex_dot,
3963 _cpp_lex_token): Update accordingly.
3964 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3966 (cpp_push_buffer): Update prototype.
3967 (run_directive): Update use of cpp_push_buffer.
3968 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3969 handle_assertion): Update use of run_directive.
3970 * cpplib.h (enum cpp_buffer_type): Remove.
3971 (cpp_push_buffer): Update prototype.
3972 * fix-header.c (read_scan_file): Update.
3974 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3976 * gcc.c (struct prefix_list): Change prefix to const char *.
3978 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3980 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3982 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3984 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3987 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3990 * ifcvt.c (dead_or_predicable): Adjust.
3991 * loop.c (find_and_verify_loops): Adjust.
3992 * stmt.c (expand_end_case): Adjust.
3993 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3994 head and end insn pointers in the basic block, not just local copies.
3995 (merge_blocks_move_predecessor_nojumps): Likewise.
3997 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3999 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
4000 bitmap.h, builtin-types.def, builtins.c, builtins.def,
4001 c-aux-info.c, c-common.c, c-common.def, c-common.h,
4002 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
4003 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
4004 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
4005 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
4006 conditions.h, config.gcc, configure.frag, configure.in,
4007 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
4008 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
4009 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
4010 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
4011 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
4012 emit-rtl.c, errors.c, errors.h, except.c, except.h,
4013 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
4014 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
4015 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
4016 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
4017 gencheck.c, gencodes.c, genconfig.c, genemit.c,
4018 genextract.c, genflags.c, gengenrtl.c, genmultilib,
4019 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
4020 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
4021 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
4022 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
4023 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
4024 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
4025 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
4026 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
4027 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
4028 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
4029 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
4030 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
4031 params.h, predict.c, predict.def, predict.h, prefix.c,
4032 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
4033 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
4034 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
4035 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
4036 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
4037 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
4038 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
4039 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
4040 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
4041 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
4042 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
4043 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
4044 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
4045 xcoffout.h: replace "GNU CC" with "GCC".
4047 2001-08-21 Richard Henderson <rth@redhat.com>
4049 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
4050 (final_scan_insn): Consider jump tables data even if we have no
4051 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
4053 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
4054 (ASM_OUTPUT_CASE_END): Remove.
4055 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
4056 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
4057 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
4059 2001-08-21 Richard Henderson <rth@redhat.com>
4061 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
4062 at barrier insns. Emit stop bits before barriers.
4064 * flow.c (flow_find_cross_jump): Don't consider unconditional
4065 return insns for commoning.
4067 * final.c (compute_alignments): Fix typo.
4069 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
4070 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
4071 (store_bit_field): Use mode_for_extraction more places.
4072 (extract_bit_field): Likewise.
4074 2001-08-21 Zack Weinberg <zackw@panix.com>
4076 * caller-save.c: Don't include insn-codes.h.
4077 (reg_save_code, reg_restore_code): Make arrays of int.
4078 All uses updated to match.
4079 (insert_save, insert_restore): No need to initialize "code"
4080 variable upon declaration.
4081 * Makefile.in: update dependencies; fix typo in clean rule.
4083 2001-08-21 Richard Henderson <rth@redhat.com>
4085 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
4086 (merge_if_block): Handle fallout from same.
4088 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * builtins.c (type_to_class): Fix typo in last change.
4092 2001-08-21 Richard Henderson <rth@redhat.com>
4094 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
4095 ia64_asm_output_label.
4097 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
4098 copy of gp while the real gp register contains garbage.
4100 2001-08-21 Zack Weinberg <zackw@panix.com>
4102 * expmed.c (mode_for_extraction): New function.
4103 (store_bit_field, extract_bit_field): Use it.
4104 * expr.h: Prototype it and provide an enum for its first argument.
4106 * combine.c, function.c, recog.c: Don't include insn-codes.h.
4107 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
4108 and digging through the insn_data tables.
4109 * Makefile.in: Update dependencies.
4111 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
4113 * cppfiles.c (stack_include_file): line-map.c now handles include
4115 (handle_missing_handler): Similarly.
4116 (_cpp_execute_include): Similarly.
4117 (_cpp_pop_file_buffer): Similarly.
4118 * cpphash.h (struct cpp_reader): Remove system_include_depth,
4119 buffer_stack_depth and include_depth.
4120 * cpplib.c (do_include_common): line-map.c now handles include depth.
4121 (cpp_push_buffer): Similarly.
4122 (_cpp_pop_buffer): Similarly.
4123 * cppmacro.c (builtin_macro): Update.
4124 * line-map.c (init_line_maps): Set depth.
4125 (add_line_map): Increment "used" earlier. Update and use the
4127 (trace_include): Use the include depth.
4128 * line-map.h (struct line_maps): New member depth.
4130 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4132 * cppfiles.c (stack_include_file): Don't handle -H here.
4133 * cppinit.c (cpp_start_read): Set include tracing after
4134 cpp_post_options and after stacking the main file.
4135 * line-map.c (trace_include): New.
4136 (init_line_maps, add_line_map): Update.
4137 * line-map.h (struct line_maps): New member trace_includes.
4139 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4141 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
4142 * cppfiles.c (stack_include_file): Only stack a file if there
4143 is something to do. Return a boolean indicating whether a
4144 buffer was stacked or not.
4145 (_cpp_execute_include): Similarly.
4146 (_cpp_read_file): Similarly.
4147 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
4149 2001-08-21 Sam Steingold <sds@gnu.org>
4151 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
4152 (RECACHE): keep obufp_before_macroname up to date
4154 2001-08-21 Zack Weinberg <zackw@panix.com>
4156 * stmt.c: Don't include insn-codes.h.
4157 (expand_end_case): Machine specific logic moved to expr.c.
4158 No need to worry about __builtin_classify_type.
4159 (check_for_full_enumeration_handling, emit_case_nodes):
4162 * builtins.o (expand_builtin_classify_type): Split up so code
4163 can be shared with fold_builtin_classify_type.
4164 (type_to_class, fold_builtin_classify_type): New functions.
4165 (fold_builtins): Handle __builtin_classify_type.
4167 * expr.c (do_tablejump): Now static.
4168 (case_values_threshold, try_casesi, try_tablejump): New;
4169 code mostly from stmt.c (expand_end_case).
4170 (expr.h): Update prototypes.
4172 * Makefile.in (stmt.o): Update dependencies.
4174 2001-08-21 Will Cohen <wcohen@redhat.com>
4176 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
4177 declaration of variable i.
4178 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
4179 declaration of variable i.
4181 2001-08-21 Richard Henderson <rth@redhat.com>
4183 * crtstuff.c: Fix thinko last change. Move list tails to start
4184 of CRT_END section. Tidy ifdefs.
4185 (__EH_FRAME_BEGIN__): Always static for ELF.
4186 (__do_global_ctors_1): Rename from __frame_dummy.
4187 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
4188 name change; don't hide __EH_FRAME_BEGIN__.
4190 2001-08-21 Richard Henderson <rth@redhat.com>
4192 * gdbinit.in: Move break on exit after break on fancy_abort.
4194 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
4197 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4199 * cpphash.h (_cpp_push_next_buffer): New.
4200 * cppinit.c (do_includes): Remove.
4201 (push_include, free_chain, _cpp_push_next_buffer): New.
4202 (cpp_start_read): Use them to rework command line option handling.
4203 (cpp_handle_option): Combine handling of -include and -imacros.
4204 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
4205 appropriate. Always insert missing \n at EOF.
4206 * cpplib.c (start_directive): Get the directive position right.
4207 * cppmain.c (cb_file_change): Always print the first line, unless
4210 2001-08-20 Andreas Jaeger <aj@suse.de>
4212 * profile.c (compute_branch_probabilities): Remove extra new-line
4214 * flow.c (verify_flow_info): Likewise.
4216 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4218 * basic-block.h (basic_block): Add new field 'flags'.
4219 (BB_REACHABLE): Define.
4220 (expunge_block): Declare.
4221 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4222 (EXIT_BLOCK_PTR): Ditto.
4223 (expunge_block): Remove static declaration.
4224 (cleanup_cfg): Clear bb->aux on every basic block.
4225 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4226 computing reachability.
4227 (delete_unreachable_blocks): Delete block b if b->flags has
4230 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4232 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4234 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4236 * sparc.c (sparc_variable_issue): Fix typo in last change.
4238 2001-08-20 Richard Henderson <rth@redhat.com>
4240 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4242 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4244 * pa.h (RETURN_IN_MEMORY): Improve comment.
4246 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4248 * doc/invoke.texi (Profiling options): Clarify the interactions
4249 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4251 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4253 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4256 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4258 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4261 2001-08-20 Richard Henderson <rth@redhat.com>
4263 * final.c (end_final): Fix typo last change.
4265 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4267 * cppinit.c (init_standard_includes): The returned buffer
4268 is already malloc-ed.
4269 * gcc.c (add_prefix): Similarly.
4270 * prefix.c (translate_name): Update to support clear buffer
4272 (update_path): Similarly. Be sure to free any newly allocated
4273 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4275 * prefix.h (update_path): Update prototype and document.
4276 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4277 up and update to new buffer ownership rules.
4278 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4280 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4282 * final.c (compute_alignments): New function.
4283 (init_insn_lengths): Do not care label_align.
4284 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4285 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4286 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4287 (shorted_branches): Realloc label_align array; do
4288 not call init_insn_lengths; Do not care about loop alignments.
4289 * output.h (compute_alignments): Declare.
4290 * toplev.c (rest_of_compilation): Call compute_alignments.
4291 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4293 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4294 change visited to tovisit.
4295 (propagate_freq): Use faster traversing algorithm.
4296 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4297 to tovisit; reverse meaning.
4299 * predict.c (struct block_info_def): Remove nvisited.
4300 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4301 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4303 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4305 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4306 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4307 (TARGET_FUSED_MADD): New.
4308 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4309 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4310 the multiply-add instructions.
4312 2001-08-19 Richard Henderson <rth@redhat.com>
4314 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4315 is aligned to pointer size.
4317 2001-08-19 Richard Henderson <rth@redhat.com>
4319 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4320 display markers during final schedule.
4322 2001-08-19 Richard Henderson <rth@redhat.com>
4324 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4326 2001-08-19 Richard Henderson <rth@redhat.com>
4328 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4330 (ASM_NAME_TO_STRING): Remove.
4331 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4332 in the same string. Remove support for expressions.
4334 2001-08-19 Richard Henderson <rth@redhat.com>
4336 * config/i386/i386.md (tablejump): Make an expander; handle
4337 pic relative addressing here.
4338 (tablejump_1): Rename from tablejump_pic.
4341 2001-08-19 Richard Henderson <rth@redhat.com>
4343 * regclass.c (fix_register): Fix typo.
4345 2001-08-18 Richard Henderson <rth@redhat.com>
4347 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4348 (struct _Unwind_Context): Expand br_loc to hold it.
4349 (uw_frame_state_for): Handle leaf functions better.
4350 (uw_update_reg_address): Update for br_loc change.
4352 2001-08-18 Richard Henderson <rth@redhat.com>
4354 * crtstuff.c: Move list heads before code that uses them.
4355 (__JCR_LIST__): Remove initial null.
4356 (frame_dummy, __frame_dummy): Do java registration here ...
4357 (__do_global_ctors_aux): ... not here.
4359 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4360 (__do_global_dtors_aux): Update to match.
4361 (__JCR_LIST__, __do_jv_register_classes): New.
4363 * config/ia64/crtend.asm (__JCR_END__): New.
4364 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4365 instead of an indirect LTOFF22 reloc.
4367 2001-08-18 Richard Henderson <rth@redhat.com>
4369 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4370 * regclass.c (init_reg_sets_1): Fix typo.
4371 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4372 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4373 (ia64_compute_frame_size): Make ar.unat live when in use.
4374 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4375 for ar.pfs; remove ar.unat handling.
4376 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4378 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4379 * config/ia64/ia64-protos.h: Update decls.
4380 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4381 (sibcall_pic): Likewise.
4383 2001-08-18 Richard Henderson <rth@redhat.com>
4385 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4386 pred_rel_mutex when searching for insn_group_barrier.
4387 * config/ia64/ia64.md (cycle_display): Combine the expander
4390 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4391 bit before asm as needed.
4393 2001-08-18 Richard Henderson <rth@redhat.com>
4395 * timevar.def (TV_MACH_DEP): New.
4396 * toplev.c (rest_of_compilation): Use it.
4397 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4399 2001-08-18 Zack Weinberg <zackw@panix.com>
4401 * unwind-dw2.c (execute_stack_op): Add default aborts to
4402 the inner switches to prevent warnings.
4404 2001-08-18 Richard Henderson <rth@redhat.com>
4406 * timevar.h (struct timevar_time_def): Change element type to float.
4407 (ticks_to_msec, clocks_to_msec): Likewise.
4408 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4409 (get_time): Likewise.
4410 (timevar_print): Adjust zero check and printing to match.
4412 2001-08-18 Zack Weinberg <zackw@panix.com>
4414 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4415 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4416 Eliminate overfull or underfull hboxes.
4418 2001-08-18 Zack Weinberg <zackw@panix.com>
4420 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4422 2001-08-18 Zack Weinberg <zackw@panix.com>
4424 * haifa-sched.c: Convert to target hooks. Macros replaced
4425 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4426 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4427 MD_SCHED_FINISH, and HAVE_cycle_display.
4428 * target-def.h (TARGET_SCHED_ADJUST_COST,
4429 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4430 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4431 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4432 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4433 New hook #defines to be overridden.
4434 (TARGET_SCHED): Bring them all together.
4435 (TARGET_INITIALIZER): Update.
4436 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4437 instead of 'struct rtx_def *' throughout.
4438 (struct sched): New set of hooks for the scheduler.
4439 * Makefile.in (haifa-sched.o): Depend on target.h.
4440 * doc/tm.texi: Document the new scheduler hooks, together in
4441 their own section, instead of scattered around.
4442 Fix a bunch of underfull/overfull hboxes.
4444 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4445 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4446 sparc.h: Don't define any of the old scheduler macros.
4448 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4449 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4450 sparc.c: Create hook functions from code extracted from
4451 corresponding target header, or make existing hooks static, as
4452 appropriate. Set the appropriate entries in targetm.
4454 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4455 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4456 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4457 Remove prototypes for functions which are now static.
4459 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4460 related gunk; the Haifa scheduler is now the only choice.
4462 2001-08-18 Zack Weinberg <zackw@panix.com>
4464 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4465 * genopinit.c: Put floating point divide insns in sdiv_optab.
4466 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4467 * config/gofast.h, config/c4x/c4x.h,
4468 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4469 config/pa/long_double.h, config/rs6000/sysv4.h,
4470 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4471 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4472 (init_optabs): Use init_optabv for overflow-trapping optabs.
4473 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4474 cmp_optab RTX codes so have_insn_for can find them.
4476 * optabs.c (expand_simple_binop, expand_simple_unop,
4477 have_insn_for, gen_sub3_insn): New interfaces.
4478 * expr.h: Prototype new functions.
4479 (enum optab_methods): Move here from optabs.h.
4481 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4482 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4483 Use new functions instead of working directly with optabs.
4484 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4485 unroll.c: Don't include optabs.h.
4486 * caller-save.c, combine.c, function.c, stmt.c: Just include
4487 insn-codes.h, not optabs.h.
4488 * Makefile.in: Update dependencies.
4490 * combine.c (make_compound_operation, simplify_comparison):
4491 Fix typos testing for this or that instruction.
4493 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4495 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4496 generating libgcc.a.
4498 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4500 * except.c (TYPE_HASH): Delete.
4502 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4505 * tree.c (TYPE_HASH): Delete.
4507 * tree.h (TYPE_HASH): Define.
4509 2001-08-18 Graham Stott <grahams@redhat.com>
4511 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4513 (adddi3_internal_2+2): Likewise.
4514 (eh_set_lr_di+1): Likewise.
4516 2001-08-17 Richard Henderson <rth@redhat.com>
4518 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4519 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4520 * dwarf2asm.c: ... here.
4521 * dwarfout.c: Remove them.
4523 * varasm.c (assemble_integer): Add align parameter.
4524 (assemble_real, output_constant, output_constructor): Likewise.
4525 * output.h: Update decls.
4526 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4527 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4528 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4529 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4530 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4533 * final.c (end_final): Abort profile block generation if we
4534 havn't layed it out properly.
4535 * output.h (assemble_eh_integer): Remove stale decl.
4536 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4538 (assemble_integer): Handle unaligned data.
4539 (assemble_real): Abort on unaligned data.
4540 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4542 (default_dtor_section_asm_out_destructor): Use assemble_align.
4543 (default_named_section_asm_out_constructor): Likewise.
4544 (default_ctor_section_asm_out_constructor): Likewise.
4545 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4546 (machopic_asm_out_destructor): Likewise.
4547 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4548 (nextstep_asm_out_destructor): Likewise.
4549 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4550 (vms_asm_out_destructor): Likewise.
4552 2001-08-17 Richard Henderson <rth@redhat.com>
4554 * config/mips/iris6.h (TARGET_IRIX6): New.
4555 (current_section_name, current_section_flags): New.
4556 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4557 (MAX_OFILE_ALIGNMENT): New.
4558 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4559 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4560 (copy_file_data): Split out from
4561 (mips_asm_file_end): ... here.
4562 (mips_asm_file_start): Remove extra .section directive. Use
4563 tmpfile instead of mips_make_temp_file.
4564 (mips_unique_section): Use const char * as needed for warnings.
4565 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4566 re-add align parameter.
4567 (iris6_asm_named_section): New.
4568 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4569 (iris6_asm_output_align, iris6_section_align_1): New.
4570 (iris6_asm_file_start, iris6_asm_file_end): New.
4571 * config/mips/mips-protos.h: Update decls.
4573 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4575 * doc/install.texi (Install GCC): Add links to build status pages.
4577 (Final install): Ditto; request updates for specific info
4579 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4581 * cpperror.c (print_location): Don't take a file name; use the
4583 (_cpp_begin_message): Similarly.
4584 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4585 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4586 (cpp_pedwarn_with_file_and_line): Remove.
4587 * cppfiles.c (stack_include_file): Update; set filename to stdin
4588 here when appropriate.
4589 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4590 (_cpp_begin_message): Don't take a file name.
4591 * cppinit.c: Add comment.
4592 * cpplex.c: Fix end-of-directive indicator.
4593 * cpplib.c: Don't include intl.h.
4594 (run_directive, do_diagnostic): Update.
4595 (do_line): Update to not use nominal_fname.
4596 (cpp_push_buffer): Don't take a filename.
4597 * cpplib.h (struct ht): Remove.
4598 (cpp_push_buffer): Don't take a filename.
4599 (cpp_pedwarn_with_file_and_line): Remove.
4600 * cppmacro.c (struct cpp_macro): Remove file.
4601 (builtin_macro): Update.
4602 (_cpp_create_definition): Update.
4603 * cppmain.c: Correct comment.
4604 * fix-header.c (read_scan_file): Update.
4606 2001-08-17 Kazu Hirata <kazu@hxi.com>
4608 * sbitmap.c: Fix comment formatting.
4609 * sched-deps.c: Likewise.
4610 * sibcall.c: Likewise.
4611 * simplify-rtx.c: Likewise.
4613 * ssa-ccp.c: Likewise.
4614 * stor-layout.c: Likewise.
4615 * timevar.c: Likewise.
4616 * toplev.c: Likewise.
4617 * unwind-dw2.c: Likewise.
4618 * unwind-dw2-fde.c: Likewise.
4619 * varasm.c: Likewise.
4621 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4623 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4624 or larger than an integer in memory.
4626 2001-08-17 Zack Weinberg <zackw@panix.com>
4628 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4629 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4630 * rtl.h: Don't forward-declare union tree_node here. Don't
4631 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4632 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4633 and tree respectively.
4634 * tree.h: Don't forward-declare struct rtx_def here. Don't
4635 typedef tree here. Change all uses of struct rtx_def *,
4636 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4637 and tree respectively.
4639 2001-08-17 Richard Henderson <rth@redhat.com>
4641 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4642 config/mips/openbsd.h: Fix typos last change.
4644 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4646 * doc/invoke.texi (Optimize Options): The default for
4647 -finline-limit is 600.
4649 2001-08-17 Richard Henderson <rth@redhat.com>
4651 * varasm.c (text_section): Allow TEXT_SECTION to override the
4652 printing of TEXT_SECTION_ASM_OP.
4653 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4654 (DATA_SECTION, BSS_SECTION): Remove.
4655 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4656 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4657 Rename from s/_NAME//.
4658 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4659 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4660 (TEXT_SECTION): ... here. New.
4661 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4662 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4663 * config/mips/openbsd.h: Likewise.
4664 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4665 (mips_asm_file_end): Likewise test.
4666 (mips_output_function_epilogue): Likewise. Switch back to data
4667 section after emitting the function.
4669 * doc/tm.texi (Sections): Document TEXT_SECTION.
4671 2001-08-17 Richard Henderson <rth@redhat.com>
4673 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4674 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4676 2001-08-17 Richard Henderson <rth@redhat.com>
4678 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4679 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4680 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4681 Add aligned attribute.
4683 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4685 * config/sh/sh.md: Add modes to unspecs in first insn to match
4686 those in the second.
4688 * Makefile.in: Fix collect2 copy for Cygwin.
4690 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4692 Install the proper patch.
4693 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4694 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4695 (expand_function_start): Likewise.
4696 * stmt.c (expand_decl): Likewise.
4697 * varasm.c (make_decl_rtx): Likewise.
4699 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4701 * final.c: Undo my previous accidental checkin.
4702 * output.h: Likewise.
4703 * tm.texi: Likewise.
4705 2001-08-16 Richard Henderson <rth@redhat.com>
4707 * varasm.c (named_section_flags): Remove align parameter.
4708 * varasm.c, dwarf2out.c: Update all callers.
4709 * output.h: Update prototypes.
4711 * target.h (target.asm_out.named_section): Remove align parameter.
4712 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4713 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4714 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4715 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4716 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4718 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4719 (get_named_section_flags, set_named_section_flags): New.
4720 (named_section_flags): Use them.
4721 (named_section): Do decl vs section flags check here...
4722 (default_section_type_flags): ... not here.
4723 (init_varasm_once): Create in_named_htab.
4724 (resolve_unique_section): Mark reloc unused.
4726 2001-08-16 Richard Henderson <rth@redhat.com>
4728 * varasm.c (force_const_mem): Keep pool alignment in bits.
4729 (output_constant_pool): Use assemble_align.
4731 2001-08-16 Zack Weinberg <zackw@panix.com>
4733 * doc/tm.texi: Remove extra @table command.
4735 2001-08-16 Zack Weinberg <zackw@panix.com>
4737 * final.c (shorten_branches): Clear the end of the label_align
4738 array only if we made it larger. Break up messy expressions
4741 * diagnostic.c (internal_error): Check for error recursion
4742 before doing ICE suppression.
4744 * timevar.c: Timing variables now count in milliseconds.
4745 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4746 (get_time): Not here.
4747 (timevar_print): Don't print any timer whose user, cpu, and
4748 wall times are all zero as displayed.
4749 * timevar.h: Update comment aboout units. Make timevar
4752 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4754 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4755 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4756 (expand_function_start): Likewise.
4757 * stmt.c (expand_decl): Likewise.
4758 * varasm.c (make_decl_rtx): Likewise.
4760 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4762 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4763 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4765 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4767 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4770 2001-08-16 Andreas Jaeger <aj@suse.de>
4772 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4775 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4777 * rtl.h (only_sets_cc0_p): New prototype.
4778 * jump.c (sets_cc0_p): Handle INSN.
4779 (only_sets_cc0_p): New function.
4780 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4781 (tidy_fallthru_edge): Likewise.
4782 * integrate.c (copy_insn_list): Likewise.
4783 * unroll.c (unroll_loop): Likewise.
4784 (copy_loop_body): Likewise.
4786 2001-08-15 Jason Eckhardt <jle@redhat.com>
4788 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4790 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4792 * predict.c (struct block_info_def): Remove nvisited.
4793 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4794 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4796 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4797 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4800 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4802 * predict.def: Update hitrates.
4804 2001-08-15 Richard Henderson <rth@redhat.com>
4806 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4808 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4810 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4811 note from its associated jump.
4813 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4815 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4816 also on 64-bit s390x targets.
4818 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4820 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4822 (arm_expand_prologue): Handled nested functions which take a
4823 variable argument list.
4824 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4825 macro with an invocation of
4826 arm_compute_initial_elimination_offset.
4827 * config/arm/arm-protos.h: Prototype
4828 arm_compute_initial_elimination_offset.
4830 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4832 * doc/install.texi (Specific, avr): Fix markup.
4833 (Specific, c4x): Ditto.
4835 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4837 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4839 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4841 * Makefile.in (OBJS): Add rtl-error.o
4842 (rtl-error.o): New rule.
4843 (diagnostic.o): Adjust dependency.
4844 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4845 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4846 warning_for_asm): Move to...
4847 rtl-error.c: ...here. New file.
4849 2001-08-14 Richard Henderson <rth@redhat.com>
4851 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4852 if USING_SJLJ_EXCEPTIONS.
4854 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4856 * tlink.c (scan_linker_output): Check string for unsatisfied in
4857 addition to undefined and unresolved.
4859 2001-08-14 Graham Stott <grahams@redhat.com>
4861 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4862 EH_FRAME_SECTION_NAME.
4864 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4866 * genattrtab.c (simplify_test_exp_in_temp): New function.
4867 (simplify_test_exp): Avoid explicit use of temporary obstack.
4868 (simplify_cond, insert_right_side, evaluate_eq_attr,
4869 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4870 Use simplify_test_exp_in_temp.
4871 (optimize_attrs): Iterate until expression stabilizes.
4873 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4875 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4876 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4878 2001-08-13 Richard Henderson <rth@redhat.com>
4880 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4881 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4882 * config/arm/conix-elf.h: Likewise.
4884 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4886 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4888 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4890 * gcse.c (hash_scan_set): Expressions that are set as part of
4891 jump instructions are not available.
4893 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4895 * config/s390/s390.c (print_operand, s390_function_prologue,
4896 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4898 2001-08-13 Richard Henderson <rth@redhat.com>
4900 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4901 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4902 * doc/tm.texi (Exception Region Output): Document it.
4904 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4906 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4907 DWARF2 instead of stabs by default.
4909 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4911 * config/rs6000/rs6000.c: Include optabs.h.
4913 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4915 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4916 save/restore routines.
4917 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4919 2001-08-13 Andreas Jaeger <aj@suse.de>
4921 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4922 the english is correct.
4924 2001-08-13 Zack Weinberg <zackw@panix.com>
4926 * expr.h: Split out optab- and libfunc-related code to...
4927 * optabs.h, libfuncs.h: ... these new headers.
4929 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4931 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4933 * mkconfig.sh: Don't include insn-codes.h from config.h.
4935 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4936 enum insn_code is available. Move reload_in_optab and
4937 reload_out_optab array declarations to optabs.h.
4938 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4939 there, prototype in expr.h.
4940 * gencodes.c: Cleanup: zap global variables, don't use
4941 printf where puts will do, don't bother defining MAX_INSN_CODE
4942 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4944 * genemit.c, genopinit.c: Include optabs.h in generated file.
4945 * genoutput.c: Include insn-codes.h in generated file.
4946 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4947 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4948 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4949 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4950 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4951 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4953 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4954 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4955 config/m88k/m88k.c, config/sparc/sparc.c:
4957 * reload.c: Include expr.h and optabs.h before reload.h.
4958 * config/alpha/alpha.c: Include tree.h before reload.h.
4959 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4960 and reload.h in that order.
4961 * config/sparc/sparc.c: Include debug.h.
4962 * recog.c: Include insn-codes.h.
4964 2001-08-13 Andreas Jaeger <aj@suse.de>
4966 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4969 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4971 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4972 * gcc.c (init_spec): Fix typo in comment.
4973 * varasm.c (data_section): Fix typo in comment.
4975 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4977 * predict.c (dump_prediction): New argument "USED".
4978 (combine_predictions_for_insn): Determine the used heuristics,
4979 output the case no heuristic applied.
4980 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4982 2001-08-13 Andreas Jaeger <aj@suse.de>
4984 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4987 2001-08-13 Kazu Hirata <kazu@hxi.com>
4989 * jump.c: Fix formatting.
4991 2001-08-13 Kazu Hirata <kazu@hxi.com>
4993 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4996 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4998 * loop.c (check_dbra_loop): Use condjump_label to compute
5001 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
5002 to better document the files they're in.
5004 2001-08-12 Zack Weinberg <zackw@panix.com>
5006 * recog.h (struct insn_operand_data): Shrink 'mode' field
5009 2001-08-12 Kazu Hirata <kazu@hxi.com>
5011 * gcc.c: Fix comment formatting.
5012 * gccspec.c: Likewise.
5015 * genemit.c: Likewise.
5016 * gengenrtl.c: Likewise.
5017 * genrecog.c: Likewise.
5018 * gensupport.c: Likewise.
5019 * ggc-page.c: Likewise.
5020 * global.c: Likewise.
5021 * graph.c: Likewise.
5022 * ifcvt.c: Likewise.
5023 * integrate.c: Likewise.
5025 * libgcc2.c: Likewise.
5027 * mbchar.c: Likewise.
5028 * optabs.c: Likewise.
5029 * predict.c: Likewise.
5030 * prefix.c: Likewise.
5031 * profile.c: Likewise.
5032 * protoize.c: Likewise.
5034 * recog.c: Likewise.
5035 * regclass.c: Likewise.
5036 * regmove.c: Likewise.
5037 * reg-stack.c: Likewise.
5038 * reload1.c: Likewise.
5039 * resource.c: Likewise.
5040 * rtlanal.c: Likewise.
5043 2001-08-12 Kazu Hirata <kazu@hxi.com>
5045 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
5046 a tree representing a constant is passed to the macro.
5048 2001-08-12 Richard Henderson <rth@redhat.com>
5050 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
5051 (rs6000_elf_asm_out_destructor): New.
5052 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
5053 (DTORS_SECTION_ASM_OP): Remove.
5054 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5055 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
5057 2001-08-12 David Edelsohn <edelsohn@gnu.org>
5060 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5061 * gcc.c (set_collect_gcc_options): New function, split out from
5063 Ignore elided switches.
5064 (do_spec_1): Invoke before executing command.
5065 (set_input): Export.
5066 Move declaration ...
5067 * gcc.h (set_input): ... here.
5068 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5071 2001-08-12 Richard Henderson <rth@redhat.com>
5073 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
5074 thinko wrt TARGET_RELOCATABLE.
5076 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
5078 * fix-header.c (cb_file_change): Update prototype.
5080 2001-08-11 Zack Weinberg <zackw@panix.com>
5082 * toplev.c (set_float_handler): Make static.
5083 * toplev.h: Don't prototype set_float_handler.
5085 * simplify-rtx.c: Don't include setjmp.h.
5086 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
5088 (simplify_unary_operation, simplify_binary_operation): Use them,
5089 via do_float_handler.
5091 * fold-const.c: Don't include setjmp.h.
5092 (exact_real_inverse_1): New function.
5093 (exact_real_inverse): Use it, via do_float_handler.
5095 * varasm.c: Don't include setjmp.h.
5096 (assemble_real_1): New function.
5097 (assemble_real): Use it, via do_float_handler.
5098 Call internal_error if we get a trap here.
5100 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
5101 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
5103 2001-08-11 Zack Weinberg <zackw@panix.com>
5105 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
5106 STACK_BOUNDARY if not already defined.
5108 * calls.c, function.c, reload1.c, explow.c: Don't default
5109 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
5110 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
5112 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
5115 * doc/tm.texi: Document that STACK_BOUNDARY is required;
5116 clarify difference between it and PREFERRED_STACK_BOUNDARY.
5118 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5120 * cppmacro.c (enter_macro_context): Push macro expansions even
5123 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5125 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
5126 (rs6000_elf_section_type_flags): Actually return a value.
5128 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5130 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
5131 Clean up code: add missing comments and prototypes, fix warnings,
5132 remove obsolete code, fix spacing to conform to coding style.
5134 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
5136 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
5137 and TARGET_ASM_CLOSE_PAREN.
5138 (regclass_map): CC register belongs to class NO_REGS.
5139 (legitimize_pic_address): Don't generate unnecessary moves
5140 (to avoid confusing loop optimization).
5141 (check_and_change_labels): Replace jump_long by indirect_jump.
5142 (s390_final_chunkify): Don't start a new literal pool on section
5143 switch in 64-bit code.
5144 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
5146 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
5147 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
5148 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
5150 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
5151 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
5152 (CONST_COSTS): Fixed incorrect costs.
5154 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
5155 Use emit_jump instead of emit_jump_insn (gen_jump).
5156 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
5157 (to avoid confusing flow analysis).
5158 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
5159 (casesi, casesi_jump): New.
5160 (jump_long): Removed. Functionality merged into indirect_jump.
5161 (indirect_jump): Accept address_operand, not just register_operand.
5162 (cjump_long, icjump_long): Use same logic as indirect_jump.
5163 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
5164 Fixed broken setjmp/longjmp handling.
5165 (do_builtin_setjmp_setup): Removed.
5167 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
5168 broken GNU as versions that don't accept .quad with large
5169 negative values. Use hexadecimal output instead.
5170 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
5171 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
5172 FUNCTION_EPILOGUE): Removed. Now in targetm.
5174 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
5176 * config/s390/fixdfdi.h: Add missing copyright statement.
5177 Fix type conflicts on 64-bit. Add missing SFmode routines.
5179 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
5182 2001-08-11 Richard Henderson <rth@redhat.com>
5184 * rtl.h (REG_EH_RETHROW): Remove.
5185 * rtl.c (reg_note_name): Update.
5186 * combine.c (distribute_notes): Don't check for it.
5188 2001-08-11 Richard Henderson <rth@redhat.com>
5190 * combine.c (distribute_notes): Place REG_SETJMP.
5192 2001-08-11 Richard Henderson <rth@redhat.com>
5194 * doc/extend.texi (Arrays and pointers implementation): Discourage
5195 relying on sign-extension of pointers.
5197 2001-08-11 H.J. Lu <hjl@gnu.org>
5199 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
5201 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
5202 RDATA_SECTION_ASM_OP.
5204 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5206 * doc/install.texi (Specific, c4x): Fix cross-reference to the
5207 main manual to work both for info and HTML versions.
5209 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5210 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5212 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
5213 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5214 (struct cpp_pool): New member first.
5215 * cppinit.c (append_include_chain): Plug memory leaks.
5216 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5217 Allocate pragma structures from the (aligned) macro pool to
5218 avoid leaking memory.
5219 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5220 so we don't leak memory.
5221 * hashtable.c (ht_destroy): New.
5222 * hashtable.h (ht_destroy): New.
5224 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5225 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5227 * c-lex.c (map): Make const.
5228 (cb_file_change): Update for callback passing a line map.
5229 Don't assume we have a previous map. Remove sanity check
5230 about popping too many files.
5231 * cpperror.c (print_location): Make map const.
5232 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5233 (cpp_make_system_header): Similarly.
5234 (search_from): Similarly.
5235 (_cpp_execute_include): Don't remember where we came from.
5236 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5237 (struct cpp_reader): Make map const.
5238 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5239 * cpplib.c (do_line): Update; line maps now hold sysp.
5240 (cpp_push_buffer): Similarly.
5241 (_cpp_do_file_change): Similarly; callback with map instead.
5242 (cpp_get_line_maps): Constify return value.
5243 (_cpp_pop_buffer): Update.
5244 * cpplib.h (struct cpp_file_change): Remove.
5245 (struct cpp_callbacks): Update.
5246 (cpp_get_line_maps): Constify return value.
5247 * cppmacro.c (_cpp_create_definition): Update.
5248 * cppmain.c (struct printer): Constify map.
5249 (maybe_print_line): Similarly.
5250 (print_line): Similarly. Deduce flags 1 and 2 here.
5251 (cb_file_change): Update.
5252 * line-map.c (free_line_maps): Warn regardless.
5253 (add_line_map): Return pointer to const. When passed NULL to_file
5254 with LC_LEAVE, use the obvious values for the return point so the
5255 caller doesn't have to figure them out.
5256 (lookup_line): Return pointer to const.
5257 (print_containing_files): Take pointer to const.
5258 * line-map.h (struct line_map): New members reason, sysp.
5259 (add_line_map): Return pointer to const.
5260 (lookup_line): Similarly.
5261 (print_containing_files): Take pointer to const.
5263 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5264 Richard Henderson <rth@redhat.com>
5266 * regmove.c (regmove_optimize): Avoid setting a register twice in
5269 2001-08-10 Richard Henderson <rth@redhat.com>
5271 * doc/extend.texi (Arrays and pointers implementation): Document
5272 behavior of pointer/integer conversion.
5274 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5276 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5278 2001-08-10 Richard Henderson <rth@redhat.com>
5280 * doc/extend.texi (C Implementation): New chapter.
5281 * doc/gcc.texi (Top): Link it in.
5283 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5285 * doc/install.texi (Specific): Fix CVS merge botch.
5287 2001-08-10 Richard Henderson <rth@redhat.com>
5289 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5290 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5292 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5294 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5295 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5296 this macro is now required.
5298 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5299 loop.c (find_and_verify_loops), reload.c (reload): Check
5300 for rtx code of CALL_INSN, not CALL, when deciding if we
5301 need to check for REG_SETJMP note.
5303 * gcse.c (compute_hash_table, compute_store_table): Update
5304 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5307 * config/avr/avr.c: Fix typo.
5308 * config/convex/convex.c (expand_movstr): Use adjust_address.
5309 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5311 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5312 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5314 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5315 Do define STACK_BOUNDARY.
5316 * config/i370/i370.c: Include expr.h.
5317 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5318 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5319 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5320 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5321 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5322 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5323 * config/romp/romp.c: Include expr.h after tree.h.
5325 (output_fpop): Use xmalloc, not oballoc.
5326 * config/we32k/we32k.c: Include expr.h.
5328 2001-08-10 Kazu Hirata <kazu@hxi.com>
5330 * config/h8300/h8300.h: Fix formatting.
5332 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5334 * c-common.h (RETURN_NULLIFIED_P): Lose.
5335 * c-semantics.c (genrtl_return_stmt): Don't check it.
5337 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5339 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5340 (mips_annotate_frame_insn): New function.
5341 (mips_emit_frame_related_store): New function.
5342 (save_restore_insns): Don't mark instructions that set up the base
5343 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5344 the store instructions instead.
5345 (mips_expand_prologue): If the stack size is moved into a temporary
5346 register, do not mark that move as frame-related. Add a
5347 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5349 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5351 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5352 stack slot as unchanging if current_function_calls_eh_return.
5354 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5356 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5357 access the second half of the TFmode scratch operand.
5359 2001-08-10 Anthony Green <green@redhat.com>
5361 * java/class.c (emit_register_classes): Conditionalize code on
5364 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5366 * doc/install.texi (Specific, avr): Fix cross-reference to the
5367 main manual to work both for info and HTML versions.
5369 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5371 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5372 and "use_goto" argument.
5373 (expand_null_return, expand_value_return): Update all callers.
5374 * function.c (expand_function_end): Remove code to generate simple
5376 * config/vax/vax.md (epilogue): New expander for function return.
5377 * doc/md.texi (epilogue): Remove "if defined".
5379 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5381 * Makefile.in: Partially revert my previous change:
5382 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5383 of the hashtab.o and safe-ctype.o rules.
5385 2001-08-09 Richard Henderson <rth@redhat.com>
5387 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5388 (USE_COLLECT2): Remove duplicate definition.
5389 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5390 (use_collect2): Remove dead code.
5391 * configure.in (use_collect2): Remove will_use_collect2 and
5392 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5393 * configure: Rebuild.
5395 * target.h (targetm.asm_out.constructor): New.
5396 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5397 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5398 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5399 * varasm.c (in_ctors, in_dtors): New.
5400 (assemble_constructor, assemble_destructor): Remove.
5401 (default_stabs_asm_out_destructor): New.
5402 (default_named_section_asm_out_destructor): New.
5403 (dtors_section, default_dtor_section_asm_out_destructor): New.
5404 (default_stabs_asm_out_constructor): New.
5405 (default_named_section_asm_out_constructor): New.
5406 (ctors_section, default_ctor_section_asm_out_constructor): New.
5407 * output.h: Update declarations.
5408 * c-decl.c (c_expand_body): Use target hooks instead of
5409 assemble_constructor and assemble_destructor.
5410 * profile.c (output_func_start_profiler): Likewise.
5411 * objc/objc-act.c (finish_objc): Likewise.
5412 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5413 for the constructor.
5414 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5416 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5417 (DTORS_SECTION_ASM_OP): Likewise.
5418 (__CTOR_LIST__): Use attribute section when possible.
5419 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5421 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5422 ASM_OUTPUT_CONSTRUCTOR.
5424 * config/darwin.c (machopic_asm_out_constructor): New.
5425 (machopic_asm_out_destructor): New.
5426 * config/darwin-protos.h: Update declarations.
5427 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5428 (ASM_OUTPUT_DESTRUCTOR): Remove.
5429 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5430 * config/nextstep.c (nextstep_asm_out_constructor): New.
5431 (nextstep_asm_out_destructor): New.
5432 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5433 (ASM_OUTPUT_DESTRUCTOR): Remove.
5434 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5435 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5436 ASM_OUTPUT_*STRUCTOR.
5437 * config/i386/aix386ng.h: Likewise.
5439 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5440 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5441 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5442 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5443 * config/lynx.h: Likewise.
5444 * config/netware.h: Likewise.
5445 * config/psos.h: Likewise.
5446 * config/alpha/alpha-interix.h: Likewise.
5447 * config/alpha/elf.h: Likewise.
5448 * config/arc/arc.h: Likewise.
5449 * config/arm/aof.h: Likewise.
5450 * config/arm/coff.h: Likewise.
5451 * config/arm/elf.h: Likewise.
5452 * config/c4x/c4x.h: Likewise.
5453 * config/h8300/h8300.h: Likewise.
5454 * config/i386/cygwin.h: Likewise.
5455 * config/i386/djgpp.h: Likewise.
5456 * config/i386/i386-coff.h: Likewise.
5457 * config/i386/i386-interix.h: Likewise.
5458 * config/i386/sco5.h: Likewise.
5459 * config/i386/vsta.h: Likewise.
5460 * config/i386/win32.h: Likewise.
5461 * config/i960/i960-coff.h: Likewise.
5462 * config/ia64/sysv4.h: Likewise.
5463 * config/m68hc11/m68hc11.h: Likewise.
5464 * config/m68k/coff.h: Likewise.
5465 * config/m68k/mot3300.h: Likewise.
5466 * config/m88k/m88k.h: Likewise.
5467 * config/mcore/mcore-pe.h: Likewise.
5468 * config/mcore/mcore.h: Likewise.
5469 * config/mips/elf.h: Likewise.
5470 * config/mips/elf64.h: Likewise.
5471 * config/mips/iris6.h: Likewise.
5472 * config/pa/pa64-hpux.h: Likewise.
5473 * config/rs6000/sysv4.h: Likewise.
5474 * config/sh/sh.h: Likewise.
5475 * config/sparc/litecoff.h: Likewise.
5477 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5478 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5479 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5480 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5481 (ASM_OUTPUT_DESTRUCTOR): Remove.
5482 * config/a29k/a29k.c: Move include of tree.h.
5483 * config/a29k/udi.h: Delete file.
5484 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5485 (vms_asm_out_destructor): New.
5486 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5487 (EXTRA_SECTION_FUNCTIONS): Likewise.
5488 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5489 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5490 * config/c4x/c4x.c: Move include of tree.h.
5491 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5492 (clix_asm_out_destructor): New.
5493 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5494 (ASM_OUTPUT_DESTRUCTOR): Remove.
5495 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5496 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5497 (TARGET_ASM_CONSTRUCTOR): New.
5498 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5499 (sco_asm_out_constructor): New.
5500 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5501 * config/i386/svr3gas.h: Remove stack grows up code.
5502 Remove code duplicated from i386/sysv3.h.
5503 (TARGET_ASM_CONSTRUCTOR): New.
5504 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5505 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5506 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5507 (TARGET_ASM_CONSTRUCTOR): New.
5508 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5509 (m68hc11_asm_out_destructor): New.
5510 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5511 (TARGET_ASM_DESTRUCTOR): New.
5512 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5513 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5514 config/svr3.h pertaining to section manipulation.
5515 * config/m68k/dpx2g.h: Remove #if 0 code.
5516 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5517 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5518 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5519 (TARGET_ASM_CONSTRUCTOR): New.
5520 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5521 (m88k_svr3_asm_out_constructor): New.
5522 (m88k_svr3_asm_out_destructor): New.
5523 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5524 (ASM_OUTPUT_DESTRUCTOR): Remove.
5525 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5526 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5527 * config/rs6000/aix.h: Likewise.
5528 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5529 * config/mips/vxworks.h: Likewise.
5530 * config/rs6000/lynx.h: Likewise.
5531 * config/sh/elf.h: Likewise.
5532 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5533 (DTORS_SECTION_ASM_OP): New.
5534 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5535 (ASM_OUTPUT_DESTRUCTOR): Remove.
5536 * config/sparc/sol2-sld-64.h: Likewise.
5537 * config/vax/vax.c (vms_asm_out_constructor): New.
5538 (vms_asm_out_destructor): New.
5539 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5540 (ASM_OUTPUT_DESTRUCTOR): Remove.
5541 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5543 * doc/tm.texi (@node Initialization): Update.
5545 2001-08-09 Richard Henderson <rth@redhat.com>
5547 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5548 (__do_global_dtors_aux): Use gp-relative static data to avoid
5549 one dynamic relocation.
5550 (__do_frame_setup): Register Java classes.
5551 * config/alpha/crtend.asm (__JCR_END__): New.
5553 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5555 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5556 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5557 (GEN, STAGESTUFF): Add new files.
5558 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5559 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5560 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5561 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5562 as well as insn-codes.h and insn-flags.h in config.h; and no
5563 extra headers in tconfig.h and hconfig.h.
5565 * gencodes.c: Eliminate code to generate predicate declarations
5566 or #defines for md-file constants.
5567 * genconstants.c, genpreds.c: New files.
5569 * i386.md: Re-order guard expressions such that TARGET_64BIT
5570 comes first, when this permits better optimization. Add
5571 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5572 why this is desirable.
5574 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5576 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5577 (find_fde_for_dso): Remove.
5578 (_Unwind_IteratePhdrCallback): New.
5579 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5580 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5582 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5584 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5585 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5587 2001-08-09 Graham Stott <grahams@redhat.com>
5589 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5590 (vis_no_unit): Use it.
5591 (visualize_no_unit): Add the insn only if room exists.
5593 2001-08-09 Graham Stott <grahams@redhat.com>
5595 * predict.c (estimate_probability): Replace magic numbers with
5596 appropriate enumeration.
5598 2001-08-09 Graham Stott <grahams@redhat.com>
5600 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5602 (EXTRACT_FLAGS): Likewise.
5604 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5606 * config/mips/mips.c (mips_legitimate_address_p): Check for
5607 CONST_INT in last patch.
5609 2001-08-08 Anthony Green <green@redhat.com>
5611 * java/class.c (emit_register_classes): Use assemble_jcr if
5612 possible. Keep the original mechanism as a fallback.
5613 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5614 and weak symbol support.
5615 * crtstuff.c (__JCR_LIST__): Define.
5616 (__JCR_END__): Define.
5617 (_Jv_RegiserClasses): Define weak symbol if possible.
5618 (__do_global_ctors_aux): Register classes for ELF targets with
5619 weak symbol support.
5621 2001-08-08 Kazu Hirata <kazu@hxi.com>
5623 * dbxout.c: Fix comment formatting.
5624 * dependence.c: Likewise.
5626 * diagnostic.c: Likewise.
5627 * dominance.c: Likewise.
5628 * doprint.c: Likewise.
5629 * dwarf2out.c: Likewise.
5630 * dwarfout.c: Likewise.
5631 * emit-rtl.c: Likewise.
5632 * except.c: Likewise.
5633 * explow.c: Likewise.
5634 * expmed.c: Likewise.
5637 * fold-const.c: Likewise.
5638 * function.c: Likewise.
5640 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5642 * global.c (retry_global_alloc): Avoid shadowing allocno.
5644 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5646 * except.c (remove_fixup_regions): Fix typo.
5648 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5650 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5651 unsigned HOST_WIDE_INT to avoid warning.
5652 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5653 * flow.c (set_block_for_new_insns): Likewise.
5655 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5657 * sibcall.c (return_value_pseudo): New static variable.
5658 (skip_copy_to_return_value): Handle return_value_pseudo.
5659 (call_ends_block_p): Ensure that return_value_pseudo is set.
5660 (optimize_sibling_and_tail_recursive_call): Discover the
5661 load of pseudo return value in alternate exit block.
5663 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5665 * calls.c (ECF_ALWAYS_RETURN): New constant.
5666 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5667 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5668 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5669 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5670 * rtl.c (reg_note_name): New name.
5671 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5673 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5675 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5677 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5679 * alias.c (get_alias_set): Return a previously calculated
5680 alias set for a VAR_DECL.
5681 * function.c (gen_mem_addressof): Calculate the alias set before
5684 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5686 * predict.def: Set hitrates according our experimental run.
5688 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5690 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5692 2001-08-08 H.J. Lu <hjl@gnu.org>
5694 * config/mips/mips.c (mips_unique_section): New. Copied from
5697 * config/mips/mips-protos.h (mips_unique_section): New
5700 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5702 * config/mips/little.h: New. Generic little endian mips
5703 targets. Only mips*-*-linux* is converted to use it so far.
5705 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5706 (WCHAR_TYPE): Defined
5707 (WCHAR_TYPE_SIZE): Likewise.
5708 (INIT_SUBTARGET_OPTABS): Likewise.
5709 (BSS_SECTION_ASM_OP): Likewise.
5710 (SBSS_SECTION_ASM_OP): Likewise.
5711 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5712 (ASM_DECLARE_OBJECT_NAME): Likewise.
5713 (UNIQUE_SECTION): Likewise.
5714 (EXTRA_SECTIONS): Likewise.
5715 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5716 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5717 (ASM_OUTPUT_DEF): Likewise.
5718 (HANDLE_SYSV_PRAGMA): Removed.
5719 (NO_IMPLICIT_EXTERN_C): Likewise.
5720 (TARGET_MEM_FUNCTIONS): Likewise.
5721 (STARTFILE_SPEC): Likewise.
5722 (ENDFILE_SPEC): Likewise.
5723 (LIB_SPEC): Likewise.
5724 (INVOKE__main): Likewise.
5725 (CTOR_LIST_BEGIN): Likewise.
5726 (CTOR_LIST_END): Likewise.
5727 (DTOR_LIST_BEGIN): Likewise.
5728 (DTOR_LIST_END): Likewise.
5729 (SET_ASM_OP): Likewise.
5730 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5731 (ASM_OUTPUT_DEF): Likewise.
5732 (ASM_OUTPUT_IDENT): Likewise.
5734 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5735 (CPLUSPLUS_CPP_SPEC): Likewise.
5736 (ASM_APP_ON) Redefine only if not defined.
5737 (ASM_APP_OFF): Likewise.
5738 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5739 (ASM_OUTPUT_IDENT): Likewise.
5741 * config.gcc: Update tm_file for Linux/mips.
5743 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5745 * cselib.c (cselib_record_sets): If insn is predicated, turn
5746 sources into IF_THEN_ELSEs.
5748 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5749 Turn into define_insn_and_split.
5751 * sched-deps.c: Include "cselib.h".
5752 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5753 Use cselib to turn memory addresses into VALUEs.
5754 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5755 * sched-int.h (struct sched_info): New member USE_CSELIB.
5756 * sched-ebb.c (ebb_sched_info): Initialize it.
5757 * sched-rgn.c (rgn_sched_info): Likewise.
5758 * Makefile.in (sched-deps.o): Update dependencies.
5760 * cselib.h (cselib_subst_to_values): Declare.
5761 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5762 that have no value and autoincs to be handled by generating a new
5765 2001-08-08 Graham Stott <grahams@redhat.com>
5767 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5768 within fixed length SEQUENCE.
5770 2001-08-08 Graham Stott <grahams@redhat.com>
5772 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5773 (diagnostic_prefixing_rule): Likewise.
5774 (diagnostic_line_cutoff): Likewise.
5775 (diagnostic_kind_count): Likewise.
5777 2001-08-08 Graham Stott <grahams@redhat.com>
5779 * alias.c (find_base_decl): Delete redundent assignment.
5781 2001-08-08 Graham Stott <grahams@redhat.com>
5783 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5784 (abs): Uppercase and paranthesize macro parameter.
5785 (MEM_DEPENDENCY): Add whitespace.
5787 2001-08-08 Graham Stott <grahams@redhat.com>
5789 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5790 failure check for CONST_INT
5792 2001-08-08 Graham Stott <grahams@redhat.com>
5794 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5795 (libcall_dead_p): Likewise.
5797 (mark_used_regs): Constify fmt.
5798 (find_use_as_address): Likewise.
5800 2001-08-08 Graham Stott <grahams@redhat.com>
5802 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5805 2001-08-08 Graham Stott <grahams@redhat.com>
5807 * combine.c (combine_simplify_rtx): Update comment and
5808 remove erroneous test.
5810 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5812 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5813 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5814 take care to avoid multiple no-newline at EOF warnings in that
5817 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5819 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5820 (emit_library_call_value_1): Likewise.
5821 (emit_call_1): Emit REG_SETJMP note.
5822 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5824 * cselib.c (cselib_process_insn): Likewise.
5825 * flow.c (propagate_block): Likewise.
5826 * loop.c (find_and_verify_loops): Likewise.
5827 * reload.c (find_equiv_regs): Likewise.
5828 * reload1.c (reload): Likewise.
5829 * resource.c (mark_referenced_resources,
5830 mark_set_resources): Likewise.
5831 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5832 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5833 * haifa-sched.c (unlink_other_notes): Likewise.
5834 (reemit_notes): Likewise.
5835 * sched-ebb.c (sched_ebb): Likewise.
5836 * sched-rgc.c (sched_region): Likewise.
5837 * rtl.c (note_insn_name): Likewise.
5838 (reg_note_name): Add REG_SETJMP
5839 * rtl.h (reg_note): Add REG_SETJMP.
5840 (insn_note): Remove NOTE_INSN_SETJMP.
5842 * profile.c (branch_prob): Add fake edges for setjmp.
5844 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5846 * config.gcc: Quote target_cpu_default2 correctly for
5847 powerpc*-*-* targets.
5849 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5851 * cpplib.h, line-map.h: Update comments.
5852 * cppmain.c (printer_init): Move inline.
5853 (maybe_print_line, print_line): Take a map pointer.
5854 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5855 (cb_file_change): Don't use prior value of print.map.
5857 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5859 * doc/install.texi: Document fine-grained multilib configuration.
5861 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5863 * rtlanal.c (find_first_parameter_load): Call note_stores
5864 only on the instructions.
5866 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5868 * alias.c (nonlocal_mentioned_p):
5869 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5870 * calls.c (emit_call_1): Likewise.
5871 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5872 * cselib.c (cselib_process_insn): Likewise.
5873 * df.c (df_insns_modify): Likewise.
5874 * flow.c (need_fake_edge_p): Likewise.
5875 (propagate_one_insn): Likewise.
5876 * haifa-sched.c (reemit_notes): Likewise.
5877 * integrate.c (copy_insn_list): Likewise.
5878 * jump.c (delete_prior_computation): Likewise.
5879 * local-alloc.c (validate_equiv_mem): Likewise.
5880 * loop.c (scan_loop): Likewise.
5881 * predict.c (estimate_probability): Likewise.
5882 * reload.c (reload): Likewise.
5883 * sched-deps (sched_analyze): Likewise.
5884 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5885 * gcse.c (compute_hash_table): Likewise.
5886 (mark_call): Likewise.
5887 (store_killed_in_insn): Likewise.
5889 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5891 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5893 2001-08-06 Richard Henderson <rth@redhat.com>
5895 * varasm.c (assemble_gc_entry): Remove.
5896 * output.h: Likewise.
5898 2001-08-06 Richard Henderson <rth@redhat.com>
5900 * varasm.c (assemble_constructor): Take a symbol_ref and a
5901 priority instead of a bare string. Move priority handling
5902 here from cp/decl2.c.
5903 * output.h: Update decls.
5905 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5906 and assemble_destructor.
5907 * profile.c (output_func_start_profiler): Likewise.
5908 * objc/objc-act.c (finish_objc): Likewise.
5909 (build_module_descriptor): Return the symbol not the symbol name.
5911 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5913 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5914 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5915 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5916 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5917 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5918 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5920 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5922 * cpperror.c (print_containing_files): Moved to line-map.c.
5923 (print_location): line-map.c handles re-listing or otherwise.
5924 * cpphash.h (struct lexer_state): Remove next_bol.
5925 (struct cpp_buffer): Remove include_stack_listed.
5926 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5927 Remove faked buffer handling.
5928 (_cpp_do_file_change): Tweak.
5929 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5930 * cppmain.c (struct printer): Remove filename.
5931 (print_line, cb_file_change): Update accordingly.
5932 * line-map.c: Include intl.h.
5933 (init_line_maps): Initialize last_listed.
5934 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5935 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5936 (print_containing_files): New.
5937 * line-map.h (struct line_maps): New member last_listed.
5938 (print_containing_files, INCLUDED_FROM): New.
5939 * Makefile.in: Update.
5940 * po/POTFILES.in: Add line-map.c.
5942 2001-08-06 Richard Henderson <rth@redhat.com>
5944 * except.c (convert_from_eh_region_ranges_1): Never mark
5945 USE or CLOBBER insns as throwing.
5947 * expr.c (store_constructor): Don't clobber memory targets.
5949 2001-08-06 Andreas Jaeger <aj@suse.de>
5951 * profile.c (branch_prob): Remove unused variable insn.
5953 * Makefile.in (local-alloc.o): Add dependency on except.h.
5955 * local-alloc.c: Include except.h for can_throw_internal prototype.
5957 2001-08-06 Richard Henderson <rth@redhat.com>
5959 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5960 * function.c (expand_main_function): Implement it.
5961 * doc/tm.texi: Document it.
5963 2001-08-06 Stan Shebs <shebs@apple.com>
5965 * doc/install.texi: Document powerpc-*-darwin* details.
5967 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5969 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5970 (ASM_CPU_SPEC): Move back to rs6000.h
5971 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5973 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5975 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5978 * config/rs6000/linux64.h: Ditto.
5980 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5981 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5984 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5985 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5987 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5990 2001-08-05 Richard Henderson <rth@redhat.com>
5992 * local-alloc.c (update_equiv_regs): Do not move insns that
5995 2001-08-05 Jan Hubicka <jh@suse.cz>
5997 * Makefile.in (reload1.o): Add dedendancy on except.h
5998 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
6000 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
6001 indicating wehther edges has been cleaned up.
6002 * reload1.c: Inlucde except.h
6003 (fixup_abnormal_edges): Accept deleted insns.
6004 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
6007 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
6009 * cpplib.c (do_line): Correct line number after pop_buffer.
6011 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6013 PR preprocessor/3824
6014 * line-map.c: Update comments.
6015 * line-map.h: Update comments.
6016 * tradcif.y: Don't consider large numbers unsigned.
6018 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
6020 PR preprocessor/3081
6021 * c-lex.c (map): New.
6022 (cb_file_change): Update map and use it.
6023 (cb_def_pragma, cb_define, cb_undef): Use map and line.
6024 (c_lex): Update to use map.
6025 * cpperror.c (print_location): Move to using logical line numbers.
6026 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
6027 (cpp_make_system_header): Similarly.
6028 (_cpp_execute_include): Stop line numbering hacks. Store the
6029 line we will return to.
6030 * cpphash.h (CPP_BUF_LINE): Remove.
6031 (struct cpp_buffer): Remove lineno and pseudo_newlines.
6032 Add map and return_to_line.
6033 (_cpp_do_file_change): Update.
6034 * cppinit.c (cpp_start_read): Update line kludge.
6035 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
6036 (trigraph_ok): Use logical line numbers for diagnostics.
6037 (skip_block_comment): Likewise.
6038 (skip_whitespace): Likewise.
6039 (skip_line_comment): Use pfile->line instead.
6040 (_cpp_lex_token): Update to use logical line numbering exclusively.
6041 Handle BOL locally. Accept new lines in directives, but keep
6042 pfile->line decremented. Diagnostics use logical lines. Update
6044 * cpplib.c (SEEN_EOL): New.
6045 (skip_rest_of_line, check_eol): Use it.
6046 (end_directive): Increase line number when accepting the newline
6047 at the end of a directive.
6048 (run_directive): Simplify.
6049 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
6050 (_cpp_do_file_change): Update to take buffer line number as an
6051 argument, and store the current map in the cpp_reader. Remove
6052 line number kludges.
6053 (_cpp_do__Pragma): Restore output position after a _Pragma.
6054 (cpp_push_buffer): Don't set output line or lineno.
6055 (_cpp_pop_buffer): Transfer more info from a faked buffer.
6056 Remove line kludge. Set output_line.
6057 * cppmacro.c (builtin_macro): Update handling of __LINE__.
6058 (parse_arg): Use logical lines.
6059 (save_lookahead_token): Save EOFs too now.
6060 * cppmain.c (struct printer): Fix comments.
6061 (printer_init): Simplify, let caller do errors.
6062 (scan_translation_unit, check_multiline_token, dump_macro): Update.
6063 (maybe_print_line): Simplify.
6064 (print_line): Don't print a linemarker if -P.
6065 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
6066 (cb_file_change): Simplify.
6067 * line-map.h (LAST_SOURCE_LINE): Fix.
6068 (CURRENT_LINE_MAP): New.
6070 2001-08-05 Bernd Schmidt <bernds@redhat.com>
6072 * doloop.c (doloop_modify_runtime): Properly compute number of
6073 iterations if loop was unrolled.
6075 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
6076 if their CSELIB_VAL_PTRs are.
6078 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
6079 (setup_spill_pointers): Initialize it.
6080 (spill_restore_mem): Set it.
6081 (do_spill, do_restore): Use it to add REG_INC note.
6082 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
6084 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
6085 asms if other insns are available.
6087 * config/ia64/ia64.c (condop_operator): New predicate.
6088 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
6089 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
6092 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
6093 temporary register than directly using a MEM.
6095 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6097 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
6098 parameter in last change.
6100 2001-08-04 Zack Weinberg <zackw@panix.com>
6102 * sparc.md: Don't use #if inside C test expression.
6104 2001-08-04 Richard Henderson <rth@redhat.com>
6106 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
6108 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
6110 * cpphash.h (struct cpp_reader): New member directive_line.
6111 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
6112 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
6113 do_pragma): Pass line to callbacks.
6114 (start_directive): Record line of directive.
6115 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
6116 cb_include): Similarly.
6117 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
6120 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6122 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
6125 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6127 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
6129 * reload1.c (fixup_abnormal_edges): New static function.
6132 * flow.c (need_fake_edge_p): New function.
6133 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
6134 avoid call insn to be very last insn in the insn stream.
6136 * profile.c (branch_prob): Call flow_call_edges_add instead of
6137 doing that by hand; cleanup cfg to re-merge basic blocks once
6140 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6142 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
6143 are also on line-map.h.
6144 * cppfiles.c (stack_include_file): Update.
6145 * cpphash.h (struct cpp_buffer): New member return_at_eof.
6146 (_cpp_pop_buffer): New.
6147 * cppinit.c (cpp_destroy, cpp_finish): Update.
6148 (do_includes): Mark each buffer to return at EOF.
6149 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
6150 return as requested.
6151 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
6152 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
6153 * cpplib.h (cpp_pop_buffer): Remove.
6154 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
6155 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
6157 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
6159 (do_preprocessing): Update.
6160 * fix-header.c (read_scan_file): Update. No need to pop buffers.
6161 * c-parse.in (_yylex): Similarly.
6162 * scan-decls.c (scan_decls): Similarly.
6163 * line-map.h: Update comments.
6165 * objc/Make-lang.in (objc-act.o): Update dependencies.
6167 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6169 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
6170 and soft register for operand 0.
6171 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
6173 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6175 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
6176 register for operand 0.
6177 ("bitcmpqi_z_used"): Allow memory for operand 0.
6178 (split "bitcmpqi"): New split to handle address reg as operand 1.
6180 2001-08-04 Andreas Jaeger <aj@suse.de>
6182 * gcse.c: Revert Daniel's last patch.
6184 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6186 * sparc-protos.h: Add prototypes for fp_zero_operand and
6188 * sh-protos.h: Add prototype for fpul_operand.
6190 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6192 * doc/extend.texi (Other Builtins): Fix typo in last change.
6194 2001-08-03 Richard Henderson <rth@redhat.com>
6196 * target.h (gcc_target): Add asm_out.named_section,
6197 section_type_flags, have_named_sections.
6198 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
6199 (TARGET_HAVE_NAMED_SECTIONS): New.
6200 (TARGET_SECTION_TYPE_FLAGS): New.
6202 * Makefile.in (toplev.o): Depend on TARGET_H.
6203 (varasm.o, dbxout.o): Likewise.
6204 * c-common.c (decl_attributes): Check targetm.have_named_sections
6205 instead of ifdef ASM_OUTPUT_SECTION_NAME.
6206 * dbxout.c (dbxout_function_decl): Likewise.
6207 (dbxout_function_end): Likewise.
6208 * toplev.c (compile_file): Likewise.
6209 * varasm.c (exception_section): Likewise.
6210 * cp/decl2.c (finish_objects): Likewise.
6212 * defaults.h (EH_FRAME_SECTION): Remove.
6213 (EH_FRAME_SECTION_ASM_OP): Remove.
6214 (EH_FRAME_SECTION_NAME): New.
6215 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6216 (UNIQUE_SECTION_P): Remove.
6217 * dwarf2out.c (SECTION_FORMAT): Remove.
6218 (ASM_OUTPUT_SECTION): Remove.
6219 (output_call_frame_info): Use named_section_flags.
6220 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6221 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6222 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6223 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6224 (named_section_flags): New.
6225 (named_section): Use it and targetm.section_type_flags.
6226 (resolve_unique_section): New.
6227 (assemble_start_function): Use it.
6228 (asm_emit_uninitialised, assemble_variable): Likewise.
6229 (default_section_type_flags): New.
6230 (default_no_named_section, default_elf_asm_named_section): New.
6231 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6232 * output.h: Update varasm.c decls.
6233 (SECTION_*): New flags.
6235 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6236 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6238 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6239 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6240 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6241 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6242 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6243 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6244 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6245 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6246 * config/pa/pa64-hpux.h,
6248 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6249 (TARGET_ASM_NAMED_SECTION): New.
6250 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6251 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6252 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6253 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6254 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6255 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6256 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6257 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6258 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6259 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6260 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6261 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6262 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6263 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6264 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6265 * config/sparc/sysv4.h: Likewise.
6267 * config/nextstep.h: Error until named sections implemented.
6269 * config/a29k/a29k.c (a29k_asm_named_section): New.
6270 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6271 (vms_section_type_flags, vms_asm_named_section): New.
6272 * config/arm/arm.c (arm_elf_asm_named_section): New.
6273 * config/avr/avr.c (asm_output_section_name): Remove.
6274 * config/avr/avr-protos.h: Update.
6275 * config/c4x/c4x.c (c4x_asm_named_section): New.
6276 * config/h8300/h8300.c (h8300_asm_named_section): New.
6277 * config/i386/i386.c (sco_asm_named_section): New.
6278 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6279 (i386_pe_section_type_flags): New.
6280 (i386_pe_asm_named_section): New.
6281 * config/i386/i386-protos.h: Update.
6282 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6283 * config/mcore/mcore.c (mcore_asm_named_section): New.
6284 * config/mips/mips.c (iris6_asm_named_section): New.
6285 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6286 instead of UNIQUE_SECTION_P.
6287 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6288 (xcoff_asm_named_section): New.
6289 * config/sh/sh.c (sh_asm_named_section): New.
6290 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6292 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6293 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6294 (EH_FRAME_SECTION_NAME): New.
6295 (EXCEPTION_SECTION): New.
6296 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6297 (DEBUG_*_SECTION): Remove.
6298 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6299 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6300 (EH_FRAME_SECTION_ASM_OP): Remove.
6302 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6303 (ASM_OUTPUT_SECTION_NAME): Remove.
6304 (TARGET_ASM_NAMED_SECTION): New.
6305 (TARGET_HAVE_NAMED_SECTIONS): New.
6306 (TARGET_SECTION_TYPE_FLAGS): New.
6307 (EH_FRAME_SECTION_ASM_OP): Remove.
6308 (EH_FRAME_SECTION_NAME): New.
6310 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6312 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6313 for complex expressions when cfun == 0.
6314 * doc/extend.texi: Document that __builtin_constant_p can be
6315 used in data initializers as well as functions.
6317 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6319 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6320 variable I locally, instead of expecting a declaration in the
6323 2001-08-03 Richard Henderson <rth@redhat.com>
6325 * except.c (collect_one_action_chain): Add an explicit cleanup
6326 action if regions surrounding a catch were encoded entirely
6327 within the call-site entry.
6329 2001-08-03 Richard Henderson <rth@redhat.com>
6331 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6332 don't take REGNO of a non-register.
6334 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6336 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6337 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6338 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6339 (__gthread_mutex_init_function): New function for mutex initialization.
6341 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6343 * Makefile.in: Revert screwed up commit.
6345 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6347 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6348 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6349 merged by linker script to get a final _exit().
6350 (__do_global_dtors): New for destructor handling in specific exit
6352 (__do_global_ctors): New for constructors in specific install section.
6353 (__map_data_section): Map data sections before running constructors.
6354 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6355 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6356 (DTORS_SECTION_ASM_OP): Likewise.
6357 (CTORS_SECTION_FUNCTION): Define to force a reference to
6359 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6361 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6363 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6365 * Makefile.in: Add df.h to gcse.c dependencies.
6367 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6369 * varasm.c (output_constant_def_contents): Use for the length of a
6370 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6371 depending on which is larger.
6373 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6375 * gcse.c: Include df.h for use as a dataflow analyzer.
6377 Declaration of reg_set_info: gone.
6378 New df_analyzer variable used by store motion.
6379 (reg_set_info): Deleted.
6380 (mark_mem_regs): New function, analyze regs used by a mem.
6381 (store_ops_ok): Use dataflow analyzer results to determine if
6382 necessary regs are changed in the block.
6383 (find_moveable_store): Remove check for symbol ref, we can handle
6384 much more complex expressions now.
6385 (compute_store_table): Remove most of the code, it's unnecessary
6386 now that the dataflow analyzer records the info for us.
6387 (store_killed_after): Add parameter to say whether to do the
6388 store_ops_okay test, used to speed up testing when we already know
6389 the answer, and just want to know if the store itself was killed.
6390 (build_store_vector): Largely rewritten to calculate the various
6391 vectors properly, and somewhat optimized.
6392 (store_motion): Init the df_analyzer, get REG_DEF chains.
6393 Also handle trapping expressions (since mems almost always trap)
6394 (simple_mem): Redefine what a simple mem is.
6396 2001-08-03 DJ Delorie <dj@redhat.com>
6398 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6399 set from a constant part of the condition.
6401 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6403 * mkdeps.c (deps_add_default_target): Make local variable
6404 ``start'' a const char pointer.
6405 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6407 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6409 * doc/install.texi (Configuration): Fix markup.
6410 (Specific, i?86-*-udk): Likewise.
6411 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6413 Document --enable-threads and --enable-libgcj status.
6414 (Specific, mips-sgi-irix*): Canonicalize triples.
6415 (Specific, mips-sgi-irix5): Warn about problems with this config.
6416 Mention required GNU as patch.
6417 Native assembler problems are fixed.
6418 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6419 Document --enable-threads and --enable-libgcj status.
6421 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6423 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6426 2001-08-03 Richard Henderson <rth@redhat.com>
6428 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6431 2001-08-03 Richard Henderson <rth@redhat.com>
6433 * rtlanal.c (find_first_parameter_load): Stop if we
6434 reach a CODE_LABEL at BOUNDARY.
6436 2001-08-03 Richard Henderson <rth@redhat.com>
6438 * config/alpha/alpha.md (force_movdi): New insn.
6439 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6440 Tweek FRP marking of VMS prologue insns.
6441 * config/alpha/vms.h (EPILOGUE_USES): New.
6443 2001-08-02 Richard Henderson <rth@redhat.com>
6445 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6447 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6449 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6450 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6451 config/convex/convex.h, config/d30v/d30v.c,
6452 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6453 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6454 config/mips/mips.h, config/mn10200/mn10200.h,
6455 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6456 config/v850/v850.h, config/vax/openbsd.h,
6457 config/vax/openbsd1.h, config/vax/ultrix.h,
6458 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6459 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6460 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6461 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6462 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6463 in comments and documentation.
6465 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6469 * Makefile.in (line-map.o): New.
6470 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6471 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6472 * cpperror.c (print_containing_files): Similarly.
6473 (print_location): Update. Don't output a space before _Pragma.
6474 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6475 (stack_include_filee, cpp_make_system_header): Update.
6476 (_cpp_execute_include): Get logical line number right for calling
6477 as-yet-unterminated #include.
6478 * cpphash.h (struct cpp_reader): Add line_maps.
6479 (_cpp_do_file_change): Update.
6480 * cppinit.c (cpp_create_reader): Initialize line maps.
6481 (cpp_destroy): Destroy line maps.
6482 (cpp_start_read): Get logical line number right.
6483 * cpplex.c (parse_string): Only warn once for multi-line strings.
6484 Use boolean variable for null warning.
6485 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6487 (do_include_common): End the directive early.
6488 (do_line): Don't warn about out-of-range lines in preprocessed
6489 source. Update. Remove unused variables.
6490 (_cpp_do_file_change): Update for new line mapping.
6491 (pragma_cb): New typedef.
6492 (cpp_register_pragma): Stop looking ahead before calling the
6494 (do_pragma_system_header): End directive early.
6495 (cpp_get_line_maps): New.
6496 (cpp_pop_buffer): Fudge logical line. Update.
6497 * cpplib.h: Include line-map.h
6498 (enum cpp_fc_reason): Remove.
6499 (struct cpp_file_change): Update.
6500 (cpp_get_line_maps): New.
6501 * cppmain.c (struct_printer): New member map.
6502 (cb_file_change): Update for new mappings.
6503 * fix-header.c (cb_file_change): Similarly.
6505 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6507 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6508 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6510 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6512 * config/vax/vax.c: include expr.h.
6514 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6516 * Makefile.in ($(srcdir)/configure): Only rebuild in
6518 ($(srcdir)/config.in): Only define in maintainer mode.
6519 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6521 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6523 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6525 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6527 * gcc.c (set_collect_gcc_options): New function, split out from
6529 Ignore elided switches.
6530 (do_spec_1): Invoke before executing command.
6531 (set_input): Export.
6532 Move declaration ...
6533 * gcc.h (set_input): ... here.
6534 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6537 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6540 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6542 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6544 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6546 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6547 for the unnamed instructions it expands to.
6549 2001-08-02 Richard Henderson <rth@redhat.com>
6551 * regclass.c (call_really_used_regs): Conditionally define.
6552 (init_reg_sets_1): Don't use it if not defined.
6553 (fix_register): Similarly, don't set it.
6555 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6557 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6558 Correct comment that had been missed in the previous change.
6560 2001-08-01 Stan Shebs <shebs@apple.com>
6562 * config/darwin.c (machopic_stub_name): Try matching by name.
6563 (update_stubs): New function.
6564 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6567 2001-08-01 Richard Henderson <rth@redhat.com>
6569 * except.c (output_function_exception_table): Use assemble_align.
6570 * varasm.c (assemble_eh_label): Remove.
6571 (assemble_eh_align, assemble_eh_integer): Remove.
6573 2001-08-01 Robert Lipe <robertl@caldera.com>
6575 * dwarfout.c: Remove reference to README.DWARF.
6577 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6579 * regclass.c (call_really_used_regs): New array for registers which
6580 are actually used by a call.
6581 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6583 (fix_register): Set call_really_used too.
6584 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6585 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6587 2001-08-01 Richard Henderson <rth@redhat.com>
6589 * read-rtl.c (read_name): Consider \r whitespace.
6591 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6593 * config.gcc: Recognize powerpc-*-netbsd*.
6595 * doc/install.texi (Host/target specific installation notes for
6596 GCC): Mention powerpc-*-netbsd*.
6598 * config/rs6000/netbsd.h: New file.
6599 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6600 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6601 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6602 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6603 (TARGET_VERSION): Redefine.
6605 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6606 mcall-netbsd as a match for mcall-sysv.
6607 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6608 (ncrti.S, ncrtn.S): New targets.
6609 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6611 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6612 "netbsd' as a V4 ABI.
6613 (ASM_SPEC): Check for -mcall-netbsd.
6614 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6615 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6616 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6617 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6618 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6619 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6620 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6622 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6623 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6625 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6627 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6628 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6629 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6630 including "unwind-pe.h".
6632 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6634 * rs6000.md (define_splits): Kill unused constraints.
6636 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6637 Jan Hubicka <jh@suse.cz>
6639 * function.c (thread_prologue_and_epilogue_insns): Kill code
6640 dealing with non-existent CFG.
6642 2001-08-01 Kazu Hirata <kazu@hxi.com>
6644 * alias.c: Fix comment formatting.
6645 * bitmap.c: Likewise.
6646 * builtins.c: Likewise.
6647 * calls.c: Likewise.
6648 * c-common.c: Likewise.
6649 * c-decl.c: Likewise.
6650 * c-dump.c: Likewise.
6651 * c-lex.c: Likewise.
6652 * collect2.c: Likewise.
6653 * combine.c: Likewise.
6654 * conflict.c: Likewise.
6655 * cppfiles.c: Likewise.
6656 * cppinit.c: Likewise.
6657 * cpplex.c: Likewise.
6658 * cpplib.c: Likewise.
6659 * cppmacro.c: Likewise.
6660 * cppspec.c: Likewise.
6661 * c-pragma.c: Likewise.
6662 * crtstuff.c: Likewise.
6664 * cselib.c: Likewise.
6665 * c-semantics.c: Likewise.
6666 * c-typeck.c: Likewise.
6668 2001-08-01 H.J. Lu <hjl@gnu.org>
6670 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6672 2001-08-01 H.J. Lu <hjl@gnu.org>
6674 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6676 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6678 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6679 contextualizing Objective-C class name lookup by the lexer.
6680 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6682 (protocoldef): Add support for forward @protocol declarations.
6683 (yylexname): Suppress ObjC class name lookup in certain contexts;
6684 re-enable after lookup is complete.
6685 (_yylex): Re-enable ObjC class name lookup when certain
6686 punctuation marks are seen.
6688 * objc/objc-act.c (check_protocol_recursively): New function used
6689 for finding circular dependencies in protocols.
6690 (objc_declare_protocols): New function for handling forward
6691 @protocol declarations.
6692 (receiver_is_class_object): Detect the case when 'self' is used
6693 inside of a class method.
6694 (build_message_expr): Issue a warning if class method is desired
6695 but instance method is found instead.
6696 (conforms_to_protocol): Streamline.
6697 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6698 protocol Foo, even if 'Bar foo' does not.
6699 (check_protocols): Streamline.
6700 (start_protocol): Add checks for circular and duplicate protocol
6702 (encode_aggregate_within): For typedefs of structs, encode the
6704 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6705 (objc_declare_protocols): New prototype.
6707 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6709 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6710 * cpplex.c (handle_newline): Update prototype. Maintain logical
6712 (skip_escaped_newlines, skip_block_comment, parse_string):
6714 (_cpp_lex_token): Update, and store token position within the token.
6715 * cpplib.h (struct cpp_token): Add line and column entries.
6716 * cppmacro.c (replace_args): Position stringified tokens correctly.
6718 2001-08-01 Andreas Jaeger <aj@suse.de>
6720 * basic-block.h: Add prototype for last_loop_beg_note.
6722 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6724 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6725 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6727 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6728 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6729 expand_decl_cleanup.
6730 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6732 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6733 operand while calling simple_cst_equal.
6734 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6735 operand is the cleanup expression, the third is the RTL_EXPR.
6736 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6738 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6740 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6742 2001-07-31 matthew green <mrg@eterna.com.au>
6744 * config.gcc (i386-*-netbsdelf): New description.
6745 * config/i386/netbsd-elf.h: New file.
6747 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6749 * loop.c (check_dbra_loop): Use single_set to compute
6752 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6754 PowerPC reorg and support for powerpc64-*-linux*.
6756 Also fixes emitting of constants on 32 bit and 64 bit
6759 * config.gcc: powerpc64-*-linux* is a new target.
6760 Things that needed aix.h now also include xcoff.h
6762 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6764 Move AIX specific stuff into aix.h.
6765 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6766 with more than just XCOFF now.
6767 (SET_ASM_OP): Remove, now defined where needed.
6768 (FUNCTION_PROLOGUE): New macro definition.
6769 (FUNCTION_EPILOGUE): New macro definition.
6770 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6772 * config/rs6000/xcoff.h: New file.
6774 * config/rs6000/linux64.h: New file.
6776 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6778 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6780 * rs6000.c (print_operand_address): Handle ELF syntax.
6781 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6782 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6783 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6785 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6787 * rs6000.c (rs6000_override_options): Only disable
6788 flag_function_sections for XCOFF.
6789 (exact_log2_cint_operand): New predicate.
6790 (reg_or_{add,sub}_cint64_operand): New predicates.
6791 (add_operand): Compare CONST_INT with fewer function calls.
6792 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6793 (print_operand, case 'p'): Ensure positive operand.
6794 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6795 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6796 (PREDICATE_CODES): Add new predicates.
6797 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6798 (divsi3, modsi3): Ensure positive power-of-2.
6799 (adddi3): Use new predicate. Split 32-bit constants more
6800 correctly. Re-arrange splitter to handle any constant.
6801 (subdi3): Use new predicate.
6802 (divdi3, moddi3): Ensure positive power-of-2.
6803 (movdi): Use rs6000_emit_set_const.
6804 (load_toc_v4_pic_di): Delete.
6806 2001-07-31 Graham Stott <grahams@redhat.com>
6808 * function.c (pad_below): Revert 2001-07-26 patch.
6810 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6812 * reg-stack (convert_regs_1): Fix best edge condition.
6814 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6816 * jump.c (duplicate_loop_exit_test): Better test for jumps
6817 entering the loop; create loop pre_header.
6819 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6821 * doc/install.texi: Add s390 and s390x as new targets.
6822 * doc/invoke.texi: Add documantation of S/390 and zSeries
6824 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6826 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6828 * config/m68k/m68k.md: Replace all general_operand with
6829 nonimmediate_operand for all destinations.
6830 * config/m68k/m68k.c (not_sp_operand): Likewise.
6832 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6834 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6836 2001-07-30 Richard Henderson <rth@redhat.com>
6838 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6839 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6841 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6843 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6844 Add missing doc strings
6845 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6846 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6848 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6850 * i386.c (ix86_output_main_function_alignment_hack): New function.
6851 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6853 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6854 edges by EDGE_DFS_BACK flag.
6855 (dump_edge_info): Add dfs_back flag.
6856 * basic-block.h (EDGE_DFS_BACK): New constant.
6857 (mark_dfs_back_edges): Declare.
6858 * alias.c (loop_p): Remove.
6859 (mark_constant_function): Use mark_dfs_back_edges.
6861 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6862 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6863 (compensate_edge): Break out from ...
6864 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6865 (convert_regs_2): Set block_done once block is really done;
6866 Do updating of the predecesors counts.
6868 * toplev.c (rest_of_compilation): Recompute block_for_insn
6869 before post-reload cfg_cleanup.
6870 * function.c (thread_prologue_epilogue_insns):
6871 Call set_block_for_new_insns when emitting prologue directly.
6873 2001-07-30 Andreas Jaeger <aj@suse.de>
6875 * jump.c: Add prototype for mark_modified_reg.
6877 * cse.c (set_live_p): Add unused attribute.
6879 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6881 (scan_for_source_files): Use long for count to avoid overflow.
6882 (output_data): Likewise.
6883 (output_data): Don't use string concatatenation to silence gcc
6886 * predict.c: Fix typos and grammar.
6888 * gcse.c (insert_insn_end_bb): Remove unused variables.
6890 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6892 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6893 (attempt_auto_inc): LIkewise.
6894 (mark_used_reg): Likewise.
6895 (try_pre_increment_1): Likewise.
6896 * regclass.c (regclass): Likewise.
6897 * global.c (allocno_compare): Update comment; change scaling factor.
6898 * local-alloc.c (QTY_CMP_PRI): Likewise.
6899 * regs.h (REG_FREQ_FROM_BB): New.
6900 (REG_FREQ_MAX): Likewise.
6902 2001-07-30 H.J. Lu <hjl@gnu.org>
6904 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6907 2001-07-30 H.J. Lu (hjl@gnu.org)
6909 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6910 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6911 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6913 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6915 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6916 as -mthumb-interwork when -mcpu=arm7 is specified.
6918 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6920 * predict.def (noreturn, loop branch, loop exit): Mark as first
6923 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6925 * combine.c (try_combine): Avoid barrier after noop jumps.
6927 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6929 * cpphash.h (struct cpp_reader): Remove import_warning.
6930 * cpplib.c (skip_rest_of_line): Don't bother turning off
6932 (parse_include): Move include handling to...
6933 (do_include_common): ... here. Move import warning from...
6934 (do_import): ... here.
6935 (do_pragma_poison): Don't do a callback for poison identifiers.
6936 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6937 * cppmain.c (setup_callbacks): Similarly.
6939 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6941 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6942 handle multiple sets.
6943 * except.c (sjlj_mark_call_sites): .... here.
6944 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6946 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6948 Suggested by Richard Henderson and Richard Kenner:
6949 * combine.c (recog_for_combine): Use the fake recog
6950 only if instruction does not match.
6951 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6952 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6954 * combine.c (try_combine): Discover noop jump as direct jump.
6956 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6958 * df.c (df_rd_global_compute): Add successors to worklist, not
6960 (df_ru_global_compute): Ditto.
6962 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6964 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6965 increment REG_N_SETS.
6967 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6969 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6971 * sbitmap.c (sbitmap_a_xor_b): New function.
6972 ifdef the basic block stuff on IN_GCC.
6974 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6976 * cppexp.c (parse_defined): Always record the macro name.
6977 (lex): Don't worry about identifiers, or special-case
6979 (_cpp_parse_expr): Figure out at the end of the routine
6980 whether we saw a valid !defined() expression.
6981 * cppfiles.c (stack_include_file): Update for mi_valid.
6982 (_cpp_pop_file_buffer): Similarly.
6983 * cpplex.c (_cpp_lex_token): Similarly.
6984 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6985 mi_if_not_defined, mi_lexed): Remove.
6987 * cpplib.c (do_if): Simplify.
6988 (do_endif, push_conditional, _cpp_handle_directive): Update
6989 for renaming of mi_state to mi_valid.
6991 * cpp.texi: Add index entries for digraphs, and add comment
6992 that C++ refers to them as alternative tokens.
6994 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6996 * basic-block.h (CLEANUP_PRE_LOOP): New.
6997 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6998 * sibcall.c (optimize_sibling_calls): Likewise.
6999 * toplev.c (rest_of_compilation): Likewise.
7000 * flow.c (try_forward_edges): Take argument MODE;
7001 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
7002 (try_optimize_cfg): Update call of try_forward_edges.
7004 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7005 Jan Hubicka <jh@suse.cz>
7007 * (validate_replace_rtx_1): Fix simplification of MINUS.
7009 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
7011 PR preprocessor/3669
7012 * cppinit.c (init_dependency_output): Turn off dump requests
7013 if sending dependencies to stdout.
7015 2001-07-28 Richard Henderson <rth@redhat.com>
7017 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
7020 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
7022 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
7024 2001-07-28 Kazu Hirata <kazu@hxi.com>
7026 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
7027 is VAR_DECL first to prevent an ICE.
7029 2001-07-28 Richard Henderson <rth@redhat.com>
7031 * varasm.c (immed_real_const_1): Don't elide special cases for
7033 (clear_const_double_mem): Clear const_tiny_rtx too.
7035 2001-07-28 Richard Henderson <rth@redhat.com>
7037 * dwarf2out.c (dw_val_class_offset): New.
7038 (struct dw_ranges_struct, dw_ranges_ref): New.
7039 (ranges_table, ranges_table_allocated): New.
7040 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
7041 (add_AT_offset, add_ranges, output_ranges): New.
7042 (print_die, output_die): Handle dw_val_class_offset.
7043 (attr_checksum, size_of_die, value_format): Likewise.
7044 (gen_lexical_block_die): Handle non-contiguous blocks.
7045 (gen_block_die): Likewise.
7046 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
7047 if needed. Dump the ranges table.
7048 * final.c (final_start_function): Remove unnecessary notes and
7049 rebuild the block tree before numbering the blocks.
7050 * function.c (reorder_blocks_0): Walk the existing block tree
7051 to unmark all blocks.
7052 (reorder_blocks_1): Create block fragments when duplicate block
7054 (reorder_fix_fragments): New.
7055 (reorder_blocks): Call it.
7056 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
7058 2001-07-28 Richard Henderson <rth@redhat.com>
7060 * emit-rtl.c (adjust_address): Make a copy of the memory address.
7062 2001-07-28 Richard Henderson <rth@redhat.com>
7064 * flow.c (add_to_mem_set_list): New function.
7065 (init_propagate_block_info): Use it.
7066 (mark_set_1): Likewise.
7067 (insn_dead_p): Canonicalize memory address for dead store
7068 comparison. Allow wider mode stores to kill narrower mode stores.
7069 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
7070 (invalidate_mems_from_set): Don't handle MEMs.
7072 2001-07-28 Kazu Hirata <kazu@hxi.com>
7074 * config/h8300/h8300.h: Fix formatting.
7076 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7078 * basic-block.h (EDGE_FREQUENCY): New macro.
7079 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
7081 * flow.c (find_sub_basic_blocks): Likewise.
7082 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
7083 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
7085 * predict.c (DEF_PREDICTOR): New argument FLAGS.
7086 (HITRATE): New macro.
7087 (PRED_FLAG_FIRST_MATCH): New constant.
7088 (predictor_info): New field flgags.
7089 (combine_predictions_for_insn): Use DS theory to combine
7090 probabilities; set the edge probabilities when finished.
7091 (estimate_probability): Avoid duplicated matches
7092 of LOOP_BRANCH heuristics for nested loops; update comment.
7093 * predict.def: Add flags for each prediction, set probabilities
7094 according to B&L paper.
7095 * predict.h (DEF_PREDICTOR): New argument FLAGS.
7097 * profile.c (compute_branch_probabilities): Cleanup way the edge
7098 probabilities are computed and REG_BR_PROB notes are dropped; if
7099 values does not match, emit error.
7100 (init_branch_prob): Do error instead of warning when profile driven
7101 feedback is missing or corrupt.
7103 2001-07-27 DJ Delorie <dj@redhat.com>
7105 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
7106 against a constant, try to adjust the compare to have the desired
7107 constant in it so that min/max optimizations happen more often.
7109 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7111 * flow.c (last_loop_beg_note): New function.
7112 (redirect_edge_and_branch): Use it.
7113 (split_edge): Likewise.
7115 * alias.c (loop_p): Avoid uninitialized memory access.
7117 * flow.c (try_forward_edges): Avoid accessing freed memory.
7119 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
7122 2001-07-26 Andrew Haley <aph@redhat.com>
7123 Joern Rennecke <amylaar@redhat.com>
7125 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
7126 (SUBTARGET_CPP_ENDIAN_SPEC): New.
7127 (SUBTARGET_CPP_SPEC): New.
7129 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
7130 (SUBTARGET_CPP_PTR_SPEC): New.
7131 (CPP_DEFAULT_CPU_SPEC): New.
7132 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
7133 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7134 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
7135 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
7136 (SUBTARGET_CPP_SPEC): Define as an empty string.
7138 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7140 * doc/install.texi (Configuration): Properly link the host
7141 specific instructions also when generating HTML.
7143 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
7145 * flow.c (redirect_edge_and_branch_force): Test
7146 target->global_live_at_start.
7148 2001-07-26 Richard Henderson <rth@redhat.com>
7150 * simplify-rtx.c (avoid_constant_pool_reference): Export.
7151 * rtl.h (avoid_constant_pool_reference): Declare it.
7152 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
7153 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
7155 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
7157 * rtl.h (cleanup_barriers): Declare.
7158 * jump.c (cleanup_barriers): New function.
7159 * toplev.c (rest_of_compilation): Call cleanup_barriers
7160 before loop optimizer and after bb_reorder.
7162 * flow.c (back_edge_of_syntactic_loop_p): New.
7163 (split_edge): Use it.
7165 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7167 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
7169 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
7171 * cse.c (cse_process_notes): Replace any registers if the address
7174 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
7176 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
7177 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
7178 (propagate_block): Update prototype.
7179 * flow.c (update_life_info): Simplify the CFG and
7180 recalculate the global regs which are alive when
7181 removing dead code during a global update.
7182 (propagate_block): Return non-zero if an INSN is
7185 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7187 * Makefile.in (LIBICONV): Define.
7189 2001-07-26 Catherine Moore <clm@redhat.com>
7191 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
7192 of conditional to avoid tree checking errors.
7194 2001-07-26 Kazu Hirata <kazu@hxi.com>
7196 * regmove.c (regmove_optimize): Don't replace a reg with
7197 another reg of a different mode.
7199 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
7201 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
7202 limit length of dependancy flush list.
7203 * params.h (MAX_PENDING_LIST_LENGTH): Define.
7204 * sched-int.h (struct deps): Add pending_flush_length field.
7205 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
7206 has 1 element in it.
7207 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
7208 (sched_analyze): After a jump, if the pending memory flush list is too
7209 large, flush the pending lists.
7210 (init_deps): Initialize pending_flush_length to 0.
7211 * doc/invoke.texi (max_pending_list_length): Document parameter.
7213 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
7215 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7216 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7217 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7219 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7221 * cpphash.h (struct_lexer_state): Delete was_skipping.
7222 Move skipping here from struct cpp_reader.
7223 * cpplex.c (parse_identifier): Update.
7224 (_cpp_lex_token): Don't skip tokens in a directive.
7225 * cpplib.c (struct if_stack): Update.
7226 (start_directive, end_directive): Don't change skipping state.
7227 (_cpp_handle_directive): Update.
7228 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7229 (do_else, do_endif): Update; only check for excess tokens if not
7230 in a skipped conditional block.
7231 (push_conditional): Update for new struct if_stack.
7233 2001-07-26 Graham Stott <grahams@redhat.com>
7235 * function.c (locate_and_pad_parm): Also pad initial offset
7236 so that the total argument size also includes the padding.
7238 2001-07-26 Graham Stott <grahams@redhat.com>
7240 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7241 change XSTR to XTMPL.
7243 (process_one_cond_exec): Likewise
7245 2001-07-25 Richard Henderson <rth@redhat.com>
7247 * varasm.c (assemble_variable): Create DECL_RTL before setting
7250 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7252 * predict.c (estimate_probability): Avoid duplicated predictions.
7254 * loop.c (find_and_verify_loops): Grok multiple barriers.
7256 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7258 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7260 * dbxout.c: Consistently use putc instead of fputc.
7261 (print_wide_int): New function; call instead of direct fprintf.
7262 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7263 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7264 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7265 (print_int_cst_octal): Likewise.
7266 (print_octal): Show we wrote characters.
7267 (dbxout_type): Set have_used_extensions in more places.
7269 2001-07-25 Catherine Moore <clm@redhat.com>
7271 * config/v850/v850.c (v850_va_arg): Use addr
7272 instead of valist to build incr.
7274 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7276 * flow.c (delete_dead_jumptables): New function.
7277 (life_analyzis): Call it.
7278 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7281 2001-07-25 Richard Henderson <rth@redhat.com>
7283 * except.c (reachable_handlers): Handle a region being removed
7284 out from under a RESX.
7286 2001-07-25 Richard Henderson <rth@redhat.com>
7288 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7289 swap GE/GT if it is an fp comparison.
7291 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7293 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7296 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7298 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7299 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7302 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7304 (visit_expression): When attempting to simplify an expression,
7305 retrieve any modes for arguments before they are simplified
7308 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7309 Janis Johnson <janis@us.ibm.com>
7311 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7312 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7313 pointer parameters to match documented usage of nonlocal_goto.
7314 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7315 parameters to their correct order.
7316 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7317 parameters to their correct order.
7319 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7321 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7323 2001-07-25 Jan Hubicka <jh@suse.cz>
7324 Richard Henderson <rth@redhat.com>
7326 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7328 (make_edges): New argument update_p; populate the edge cache if set.
7329 (find_basic_blocks): Update make_edges invocation.
7331 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7333 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7335 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7337 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7338 -Acpu and -Amachine.h.
7339 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7340 Corrected header to say ELF not a.out.
7341 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7342 when given -msoft-float.
7344 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7346 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7347 extra multilib parts like arm-elf.
7348 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7349 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7350 crtfini.o as extra multilib parts.
7352 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7354 * configure.in: Add rtems as a supported thread model.
7355 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7356 * configure: Rebuilt.
7358 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7360 * stor-layout.c (get_mode_alignment): make it work when
7361 BITS_PER_UNIT is not a power of two.
7362 * builtins.c (get_pointer_alignment): Likewise.
7364 2001-07-24 Richard Henderson <rth@redhat.com>
7366 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7367 the retrieved constant into the expected mode.
7369 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7371 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7372 (verify_flow_info): Check for duplicated edges; clarify
7375 * flow.c (block_label): Update basic_block_for_insn.
7376 (commit_edge_insertions): Call compute_bb_for_insn.
7378 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7381 * flow.c (redirect_edge_and_branch,
7382 try_optimize_cfg): Use redirect_edge_succ_nodup
7383 (redirect_edge_succ_nodup): New.
7384 * basic_block.h (redirect_edge_succ_nodup): Declare.
7386 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7389 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7391 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7392 (try_crossjump_to_edge): Update commetns.
7393 (try_crossjump_bb): Likewise.
7395 2001-07-24 Richard Henderson <rth@redhat.com>
7397 * combine.c (distribute_notes): Move set of need_refresh
7398 for noop_move_p down to catch all cases.
7400 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7402 * recog.c (split_all_insns_noflow): New.
7403 * rtl.h (split_all_insns_noflow): Declare.
7404 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7405 * m68hc11.c (m68hc11_reorg): Likewise.
7406 * sh.c (machine_dependent_reorg): Likewise.
7407 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7410 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7412 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7413 (ashlsi3_n splitter): Likewise.
7414 (lshrsi3_n splitter): Likewise.
7416 (GOTaddr2picreg): Make const SImode.
7417 (sym_label2reg): Likewise.
7418 (symGOT2reg): Likewise.
7419 (symGOTOFF2reg) Likewise.
7421 (casesi_worker_0): Make unspec SImode.
7423 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7425 * config/sh/sh.c (barrier_align): Check that an operand really is
7426 an insn before extracting its INSN_CODE.
7428 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7430 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7433 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7434 for SImode to prevent overflow.
7436 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7438 * config/mips/irix6-libc-compat.c: New file.
7439 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7440 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7443 2001-07-24 lars brinkhoff <lars@nocrew.org>
7445 * rtl.texi (REG_POINTER): Document.
7446 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7447 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7449 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7451 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7453 2001-07-23 Richard Henderson <rth@redhat.com>
7455 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7457 2001-07-23 Kazu Hirata <kazu@hxi.com>
7459 * config/h8300/h8300-protos.h: Add a prototype for
7460 general_operand_dst_push.
7461 * config/h8300/h8300.c (general_operand_dst_push): New.
7462 * config/h8300/h8300.h (OK_FOR_T): New.
7463 (EXTRA_CONSTRAINT): Use it.
7464 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7465 the existing movqi pattern.
7466 (movhi_push): Likewise.
7468 * reload.c: Fix comment typos.
7470 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7472 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7474 2001-07-23 H.J. Lu (hjl@gnu.org)
7476 * doc/extend.texi: Update __builtin_return_address and
7477 __builtin_frame_address.
7479 2001-07-23 Richard Henderson <rth@redhat.com>
7481 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7483 * config/i386/i386.md: New setcc+movzbl peephole2.
7485 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7487 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7488 * objc/objc-act.c: Include debug.h.
7489 (synth_module_prologue): Save and restore debug hooks too.
7491 2001-07-23 lars brinkhoff <lars@nocrew.org>
7493 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7494 and C4X_FLOAT_FORMAT.
7495 (BOOL_TYPE_SIZE): Document.
7497 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7499 * unroll.c (loop_iterations): Fix miscalculation of initial
7502 2001-07-13 Andrew Haley <aph@redhat.com>
7504 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7505 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7506 * config/sh/sh.c (sh_can_redirect_branch): New function.
7507 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7508 * reorg.c (steal_delay_list_from_target): Use
7509 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7511 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7513 * flow.c (try_simplify_condjump): Unlink insn chain on
7514 fallthru edge; use can_fallthru.
7516 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7518 * basic-block.h (find_sub_basic_block): Declare.
7519 * flow.c (make_edges): New arguments MIN and MAX;
7520 (find_sub_basic_blocks): Revamp to use make_edges
7521 and purge_dead_edges.
7522 (find_basic_blocks): Update call of find_sub_basic_block.
7524 * recog.c (split_all_insns): Always expect CFG to be consistent;
7525 call find_sub_basic_blocks in case something has changed.
7526 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7529 * basic-block.h (delete_noop_moves): Declare.
7530 * combine.c (combine_instructions): Call it.
7531 (recog_for_combine): Tolerate noop moves
7532 (distribute_notes): Force refresh when register dies at noop move.
7533 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7535 (life_analysis): Update delete_noop_moves call.
7536 (set_noop_p): Move too ...
7537 * rtlanal.c (noop_move_p): ... here.
7538 * rtl.h (noop_move_p): Declare.
7540 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7541 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7543 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7544 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7546 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7548 * reload.c (push_reload): Fix typo in comment.
7549 (find_reloads_address): Ditto.
7550 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7552 2001-07-22 Richard Henderson <rth@redhat.com>
7554 * flow.c: Grammar check and clarify a lot of comments.
7555 (try_simplify_condjump): Rename variables to be clearer.
7556 (try_forward_edges): Skip complex and fallthru edges.
7557 Rearrange tests to avoid duplicate checks.
7558 (flow_find_cross_jump): Likewise.
7559 (outgoing_edges_match): Allow match if neither branch has
7560 probability data. Loosen probability match to 5%.
7561 (try_crossjump_to_edge): Hoist repeated indirection into
7563 (try_crossjump_bb): Don't check complex edges. Eliminate
7564 redundant crossjump tests.
7565 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7566 checks before more expensive checks.
7568 2001-07-22 Richard Henderson <rth@redhat.com>
7570 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7571 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7574 2001-07-22 Richard Henderson <rth@redhat.com>
7576 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7577 (const_sint32_operand): Likewise.
7578 * m68k.md (anon mulsi pattern): Use const_int_operand not
7579 const_sint32_operand.
7580 (umulsi3_highpart): Zero extend a constant input.
7581 (smulsi3_highpart): Don't bother checking SImode constant.
7582 (const_umulsi3_highpart): Give op3 DImode.
7583 (const_smulsi3_highpart): Likewise.
7585 2001-07-22 Richard Henderson <rth@redhat.com>
7587 * flow.c (split_block): Make sure bb_note is included in the
7588 new block when splitting before a label.
7590 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7592 * basic-block.h (redirect_edge_and_branch_force,
7593 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7594 * flow.c (redirect_edge_and_branch_force,
7595 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7596 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7597 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7598 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7599 instead of label; update CFG after transformation.
7600 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7601 for finishing the transformation; handle even case where ELSE
7602 does not follow THEN.
7603 (find_if_case_2): Update call of dead_or_predictable; simplify
7606 * emit-rtl.c (split_branch_probability): New global variable.
7607 (try_split): Take care to set split_branch_probability and
7608 create REG_BR_PROB note for new jump insns.
7609 * md.texi (define_split): Document new feature.
7611 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7613 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7615 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7616 (asm_out_file): Remove redundant declaration.
7617 (assemble_asm): Remove old #if 0 block.
7618 (assemble_variable): Remove end of function; debug output is
7619 now handled with global_decl. Remove old #if 0 block. Update.
7620 Remove saved_in_section and associated no-op code.
7621 * Makefile.in (varasm.o): Correct dependencies.
7623 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7625 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7626 the definition in defaults.h.
7628 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7630 * jump.c: Update comments.
7631 (delete_barrier_successors, delete_unreferenced_labels,
7632 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7633 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7634 jump_optimize, jump_optimize_minimal): Kill.
7635 (rebuild_jump_labels): Move code from jump_optimize_1.
7636 (purge_line_number_notes): Likewise.
7637 (copy_loop_headers): Likewise.
7638 * reg-stack.c: Update comment.
7640 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7641 JUMP_AFTER_REGSCAN): Kill.
7642 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7643 purge_line_number_notes and copy_loop_headers.
7645 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7646 Richard Henderson <rth@redhat.com>
7648 * dbxout.c (dbxout_global_decl): New.
7649 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7650 * sdbout.c (sdbout_finish): New.
7651 (sdbout_debug_hooks): Use it, add comments.
7652 (sdbout_global_decl): Defer initialised public vars to
7654 * varasm.c (assemble_variable): Don't output debug information
7655 for file-scope variables.
7657 2001-07-22 Richard Henderson <rth@redhat.com>
7659 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7660 (get_round_mode_suffix): New.
7661 (print_operand): Use them for [/]. Remove support for [&'`()+].
7662 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7663 * config/alpha/alpha.md (attr round_suffix): New.
7664 (attr trap_suffix): New.
7665 (all insns): Set them appropriately. Use %/ instead of the
7668 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7670 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7672 2001-07-22 Richard Henderson <rth@redhat.com>
7674 * regrename.c (regrename_optimize): Compute nregs for each
7675 potential target register.
7677 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7678 Richard Henderson <rth@redhat.com>
7680 * dbxout.c (dbxout_global_decl): New.
7681 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7682 * sdbout.c (sdbout_finish): New.
7683 (sdbout_debug_hooks): Use it, add comments.
7684 (sdbout_global_decl): Defer initialised public vars to
7686 * varasm.c (assemble_variable): Don't output debug information
7687 for file-scope variables.
7689 2001-07-21 H.J. Lu (hjl@gnu.org)
7691 * config/mips/mips.c (mips_cpu): Moved into ...
7692 (override_options): Here.
7694 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7696 (mips_cpu): Removed.
7698 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7700 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7701 ("iorqi3"): Likewise.
7702 ("xorqi3"): Likewise.
7703 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7704 ("*subhi3_sp): Likewise.
7705 ("*subhi3"): Likewise.
7706 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7709 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7711 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7712 * config/freebsd.h: Likewise.
7713 * config/linux.h: Likewise.
7714 * config/openbsd.h: Likewise.
7715 * config/alpha/linux-elf.h: Likewise.
7716 * config/arm/linux-elf.h: Likewise.
7717 * config/d30v/d30v.h: Likewise.
7718 * config/fr30/fr30.h: Likewise.
7719 * config/ia64/aix.h: Likewise.
7720 * config/ia64/ia64.h: Likewise.
7721 * config/mips/linux.h: Likewise.
7722 * config/pj/pj.h: Likewise.
7723 * config/rs6000/linux.h: Likewise.
7724 * config/sparc/linux.h: Likewise.
7725 * config/sparc/linux64.h: Likewise.
7727 2001-07-20 Bruce Korb <bkorb@gnu.org>
7729 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7730 because getc() and char* may disagree on signedness.
7732 2001-07-20 Richard Henderson <rth@redhat.com>
7734 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7736 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7737 insns to delete in the presence of cc0 in a jump insn.
7739 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7740 Jan Hubicka <jh@suse.cz>
7742 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7743 of doing the change by hand.
7745 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7747 * rtlanal.c (set_noop_p): Return true for noop jumps.
7749 * expr.c (emit_single_push_insn): Add call to push expander.
7750 * expr.h (optab_index): Add OTI_push
7751 (push_optab): New constant.
7752 * genopinit.c (optabs): Add push_optab.
7753 * optabs.c (init_optab): Init push optab.
7754 * md.texi (push??1): Document
7756 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7758 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7759 expand to emit the pattern; put a REG_INC note for push/pop
7761 ("movdf", "movdf_internal"): Likewise.
7762 ("movsi", "movsi_internal"): Likewise.
7763 ("movsf", "movsf_internal"): Likewise.
7764 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7766 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7768 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7771 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7773 * params.def: Change default max inline insns to 100.
7775 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7777 * combine.c (combine_simplify_rtx): Generate a new shift operation
7778 when simplifying the first operand of a (neg (ashift)) expression.
7780 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7782 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7784 2001-07-20 Kelley Cook <kelley.cook@home.com>
7786 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7787 information. Move rest into ...
7788 (*-*-solaris): ... here. Eliminate redundant information and
7789 reword necessary packages section. Delete 4.x assembler bug info.
7790 (sparc-sun-*): Merge into ...
7791 (sparc-sun-sunos*): here.
7793 2001-07-20 Catherine Moore <clm@redhat.com>
7795 * config/v850/v850.md (casesi): Generate LABEL_REF
7798 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7800 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7801 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7802 * i386.md (strclrsi expander): Use it.
7804 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7806 * integrate.c (copy_insn_list): handle
7807 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7808 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7809 identically as to CODE_LABEL.
7811 * fold-const (fold): Convert A/B/C to A/(B*C) and
7814 * except.c (connect_post_landing_pads): Delete the RESX insns.
7816 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7818 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7820 * config/mips/mips.md (nmadd/nmsub): Use macro.
7822 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7824 * cppinit.c (remove_dup_dir): Make static.
7825 (remove_dup_dirs): Make static. Only warn about preempting a
7826 system directory with a non-system directory.
7828 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7830 * ifcvt.c (noce_try_store_flag_constants): Correct order
7831 of parameters to trunc_int_for_mode.
7833 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7835 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7836 an exception that will be caught within this function, do not fill
7837 its delay slot with any subsequent instruction.
7839 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7841 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7842 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7843 pointer extension instruction.
7844 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7845 * simplify-rtx.c (simplify_unary_operation) Likewise.
7846 * explow.c (convert_memory_address) Check value of
7847 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7849 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7850 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7851 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7852 Add Multilib Support.
7853 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7854 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7855 Add Multilib Support.
7856 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7858 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7859 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7860 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7862 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7864 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7865 old and new operands in `<', `3' and `b'.
7867 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7869 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7870 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7871 (toplev.o): Don't depend on xcoffout.h.
7872 * c-decl.c: Include debug.h
7873 (duplicate_decls): Use debug hook.
7874 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7875 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7876 (dbxout_types): Remove.
7877 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7878 * debug.c (do_nothing_debug_hooks): Update.
7879 (debug_true_tree, debug_nothing_rtx): New.
7880 * debug.h (struct rtx_def): New.
7881 (struct gcc_debug_hooks): New hooks ignore_block,
7882 outlining_inline_function and label.
7883 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7884 dwarf2out_frame_finish): New.
7885 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7886 Make static, update prototype.
7887 (dwarf2_debug_hooks): Update.
7888 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7889 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7890 * dwarfout.c (dwarf_debug_hooks): Update.
7891 * emit-rtl.c: Include debug.h.
7892 (remove_unnecessary_notes): Use debug hook.
7893 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7894 (final_scan_insn): Use debug hook.
7895 * integrate.c (output_inline_function): Use debug hook.
7896 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7897 (sdb_debug_hooks): Update.
7898 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7899 * toplev.c: Don't include xcoffout.h.
7900 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7901 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7903 * tree.h (dwarf2out_do_frame): Remove.
7905 2001-07-19 Catherine Moore <clm@cygnus.com>
7907 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7909 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7911 * reload1.c (eliminate_regs_in_insn): When updating a set
7912 to the frame pointer to the hardware frame pointer, perform
7913 the update always not just when REPLACE is set.
7915 * reload1.c (choose_reload_regs): Don't inherit a reload
7916 that crosses multiple registers if registers past the first
7917 don't fit in the desired class.
7919 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7920 when negating constants.
7922 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7924 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7925 * doc/tree.texi: Ditto.
7927 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7928 Jakub Jelinek <jakub@redhat.com>
7930 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7931 (extract_cie_info): Handle "eh" augmentation properly,
7933 (struct frame_state, __frame_state_for): New.
7935 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7937 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7938 HANDLE_SYSV_PRAGMA): Define.
7939 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7941 (copy_object): Caller changed.
7943 2001-07-19 Andreas Schwab <schwab@suse.de>
7945 * configure.in (assembler dwarf2 debug_line support): Define nop
7947 * configure: Regenerated.
7949 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7951 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7953 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7954 to conditionally compiled block.
7955 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7956 * dbxout.h (dbxout_function): Remove.
7957 * debug.c (do_nothing_debug_hooks): Update.
7958 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7959 global_decl, deferred_inline_function.
7960 * dwarf2out.c (dwarf2_debug_hooks): Update.
7961 (dwarf2out_global_decl): New.
7962 * dwarfout.c: Don't include dwarfout.h.
7963 (dwarfout_global_decl, dwarfout_function_decl,
7964 dwarfout_deferred_inline_function): New.
7965 (dwarf_debug_hooks): Update.
7966 * dwarfout.h: Remove.
7967 * final.c: Don't include dwarfout.h.
7968 * sdbout.c (sdbout_global_decl): New.
7969 (sdbout_debug_hooks): Update.
7970 * toplev.c: Don't include dwarfout.h.
7971 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7972 (note_deferral_of_defined_inline_function): Remove.
7973 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7974 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7975 * ch/lex.c: Don't include dwarfout.h.
7976 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7977 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7978 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7979 * cp/optimize.c: Include debug.h.
7980 (maybe_clone_body): Use debug hook.
7981 * cp/semantics.c: Include debug.h.
7982 (expand_body): Use debug hook.
7983 * po/POTFILES.in: Remove dwarfout.h.
7985 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7987 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7988 * c-parse.in (yyerror, _yylex): Similarly.
7989 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7990 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7992 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7993 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7995 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7997 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7998 in-class declaration at -g1. Fixes c++/2814.
8000 2001-07-18 Richard Henderson <rth@redhat.com>
8002 * doc/md.texi (reload_in/out): Document restrictions in predicates
8003 and constraints for these patterns. Document empty string matching
8006 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8008 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
8010 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8012 * cse.c: Undo my previous patch.
8014 2001-07-18 Tom Tromey <tromey@redhat.com>
8017 * configure: Rebuilt.
8018 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
8020 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
8022 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
8023 Jan Hubicka <jh@suse.cz>
8025 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
8026 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
8027 * jump.c (mark_jump_label): Do not forward branches.
8029 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
8031 * cse.c (delete_trivially_dead_insns): Delete the libcall block
8032 when return value is unused.
8034 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8036 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
8038 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
8040 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
8041 on error. We can't blindly return the result of
8042 pthread_mutex_trylock because it returns a positive number on
8043 error, while we must return -1 on error.
8044 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
8046 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
8048 2001-07-18 Andreas Jaeger <aj@suse.de>
8050 * integrate.c (output_inline_function): Correct type of debug_hooks.
8052 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
8054 * combine.c (combine_simplify_rtx): DIV can be treated
8055 associatively for floats if unsafe math optimisations are enabled.
8057 2001-07-17 Richard Henderson <rth@redhat.com>
8059 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
8061 2001-07-17 Richard Henderson <rth@redhat.com>
8063 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
8064 don't force the function address into a register.
8065 (expand_call, emit_library_call_value_1): Update callers.
8066 * builtins.c (expand_builtin_apply): Likewise.
8067 * expr.h (prepare_call_address): Update decl.
8069 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
8071 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
8073 * config/i386/chorus.h: Move up.
8074 * config/sparc/chorus.h: Likewise.
8075 * config/rs6000/chorus.h: Likewise.
8076 * config/chorus.h: Moved here.
8078 2001-07-17 Andreas Schwab <schwab@suse.de>
8080 * configure.in (assembler eh_frame optimization): Handle big
8082 * configure: Regenerated.
8084 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
8086 * expr.c (epxand_expr): Convert divisions into multiplications by
8087 reciprocals if -ffast-math.
8089 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
8091 * dbxout.c (dbxout_really_begin_function): Rename to
8092 dbxout_begin_function.
8093 (dbx_debug_hooks, xcoff_debug_hooks): Update.
8094 (dbxout_begin_function): Remove.
8095 (dbxout_function): Update.
8096 (dbxout_source_line): Update prototype.
8097 * dbxout.h (dbxout_begin_function): Remove.
8098 * debug.c (do_nothing_debug_hooks): Update.
8099 (debug_nothing_tree): Update.
8100 (debug_nothing_charstar_rtx): Remove.
8101 * debug.h (union tree_node): Declare.
8102 (struct rtx_def): Remove.
8103 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
8104 begin_function. Change source_line prototype.
8105 (debug_nothing_tree): New.
8106 (debug_nothing_charstar_rtx): Delete.
8107 (dwarf2out_begin_prologue): Moved from ...
8109 * dwarf2out.c (dwarf2_debug_hooks): Update.
8110 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
8111 debug info, call dwarf2out_source_line.
8112 (dwarf2out_souce_line): Update prototype.
8113 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
8114 Change prototype, make static.
8115 (dwarfout_source_line): Update prototype.
8116 (dwarf_debug_hooks): Update.
8117 * dwarfout.h (dwarfout_begin_function): Remove.
8118 * final.c (final_start_function, final_scan_insn): Use appropriate
8119 debug hooks, update to use notice_source_line.
8120 (output_source_line): Rename notice_source_line. Don't call the
8121 source_line debug hook.
8122 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
8123 make static, update prototype.
8124 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
8126 (sdbout_end_prologue): New.
8127 (sdbout_source_line): Update prototype.
8128 (sdbout_debug_hooks): Update.
8129 (sdbout_symbol): Remove unused var.
8130 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
8132 * varasm.c: Include debug.h.
8133 (assemble_start_function): Use begin_function debug_hook.
8134 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8135 update with prototype.
8136 (xcoffout_source_line): Update prototype.
8137 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
8139 (xcoffout_source_line): Update prototype.
8141 2001-07-17 Richard Henderson <rth@redhat.com>
8143 * c-typeck.c (build_binary_op): Do not shorten unsigned
8144 right shift after sign extension.
8146 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
8148 * combine.c (combine_simplify_rtx): Attempt to simplify
8149 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
8151 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
8152 (simplify_binary_operation, simplify_unary_operation,
8153 simplify_relational_operation): Use it.
8155 * combine.c (combine_simplify_rtx): Don't do associative law
8156 on divisions; allow associative law on floats.
8158 2001-07-17 H.J. Lu <hjl@gnu.org>
8159 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8161 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
8162 ASM_OUTPUT_WEAK_ALIAS are defined.
8163 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
8164 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
8166 * config/mips/iris5.h: ... here.
8167 (HANDLE_SYSV_PRAGMA): Defined as 1.
8168 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
8169 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
8172 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8174 * c-parse.in (all_prefix_attributes): New variable.
8175 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
8176 (maybe_resetattrs): New production.
8177 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
8178 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
8179 notype_initdcl, nested_function, notype_nested_function,
8180 component_decl, components, components_notype,
8181 component_declarator, component_notype_declarator,
8182 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
8183 ivars, mydecl, myparm): Update. Avoid prefix attributes just
8184 after a comma being applied to more than one declarator.
8185 * doc/extend.texi (Attribute Syntax): Update. Remove
8186 documentation of bugs that are no longer present.
8188 2001-07-13 Eric Christopher <echristo@redhat.com>
8190 * config/mips/mips.h: Change TUNE_MIPS* options to use
8192 (EXTRA_SPECS): Add cc1_cpu_spec.
8193 * config/mips/mips.md (muldf3): Fix typo.
8195 2001-07-16 Richard Henderson <rth@redhat.com>
8197 * config/m68k/m68k.c: Include expr.h and reload.h.
8198 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
8199 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
8201 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8202 Richard Henderson <rth@redhat.com>
8204 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
8205 (insn_live_p): Fix fall off end of function.
8206 (dead_libcall_p): Remove COUNTS argument; update callers.
8207 (delete_trivially_dead_insns): Remove unused variables.
8209 2001-07-17 Andreas Jaeger <aj@suse.de>
8211 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
8214 * lcm.c (optimize_mode_switching): Avoid warning for unused
8215 variable if !NORMAL_MODE.
8217 * flow.c (try_crossjump_to_edge): Remove unused variable.
8219 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8221 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8222 atexit declaration in stdlib.h.
8224 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8226 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8228 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8230 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8231 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8232 do rebuild_jump_labels instead of jump_optimize
8233 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8234 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8235 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8237 * flow.c: Include timevar.h
8238 (find_basic_block): Push/pop timevar;
8239 (cleanup_cfg): Likewise.
8240 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8241 * Makefile: Add dependencies on timevar.h
8243 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8244 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8246 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8247 * toplev.c (rest_of_compilation): Update calls.
8248 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8249 (delete_trivially_dead_insns): ... here; accept new argument
8250 preserve_basic_blocks; preserve basic blocks if set.
8252 * reg-stack.c (stack_regs_mentioned): Return 0 if
8253 stack_regs_mentioned_data is not initialized.
8254 (reg_to_stack): Make stack_regs_mentioned survive after the
8255 reg-stack is completted; do not call cleanup_cfg.
8256 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8257 make cleanup_cfg after bb-reorder to output to debug file.
8259 2001-07-16 Richard Henderson <rth@redhat.com>
8261 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8262 from int_reg_class_contents.
8264 2001-07-16 Richard Henderson <rth@redhat.com>
8266 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8267 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8268 (init_reg_sets_1): Move initialization from cse_main.
8269 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8270 (cse_main): Move its initialization also.
8271 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8272 * flow.c (propagate_one_insn): Likewise.
8273 * gcse.c (compute_hash_table): Likewise.
8274 (compute_kill_rd, compute_store_table): Likewise.
8275 * sched-deps.c (sched_analyze_1): Likewise.
8277 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8279 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8282 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8284 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8285 in if statement so we don't access undefined memory.
8287 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8289 * gcse.c: Update comment at top.
8290 Update comment on mem handling.
8291 mem_last_set, mem_first_set, mem_set_in_block: gone.
8292 Declaration of reg_set_info: gone.
8293 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8294 pointless with load_killed_in_block_p (they are *more*
8295 conservative then it, not less, and less accurate).
8296 (oprs_not_set_p): Ditto.
8297 (alloc_gcse_mem): Don't allocate mem_set_in_block
8298 (free_gcse_mem): Don't free it, either.
8299 (record_last_mem_set_info): Update comment in front, remove
8300 mem_*set_* stuff. Note the reason we don't handle stores directly
8302 (compute_hash_table): Update comments to reflect reality. Remove
8303 mem_*set_* references.
8304 (reset_opr_set_tables): Remove mem_*set_* references.
8306 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8307 (mark_clobber): Ditto (on both parts, we double set here too).
8308 (expr_killed_p): Remove mem_set_in_block test.
8309 (compute_transp): Remove mem_set_in_block test.
8311 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8312 of edge, and removal of phi alternative to dump file.
8313 (ssa_ccp_substitute_constants): Add note about register now being
8314 constant, and which uses were replaced in what insns to dump file.
8316 2001-07-16 Andreas Jaeger <aj@suse.de>
8318 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8319 variables of type HOST_WIDEST_INT.
8321 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8322 (__bb_exit_func): Correct type of count_max to avoid overflow.
8323 (num_digits): Handle long long argument.
8325 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8327 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8329 * output.h (sdb_begin_function_line): Restore as an extern
8331 * sdbout.c (sdb_begin_function_line): Make extern.
8333 2001-07-15 Richard Henderson <rth@redhat.com>
8335 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8336 * genrecog.c (maybe_both_true_mode): New.
8337 (maybe_both_true_2): Use it.
8338 (write_switch): Don't put Pmode in a switch.
8339 * rtl.c (mode arrays): Don't explicitly size them.
8341 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8343 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8344 handling; move unconditional splitting before mode switching.
8346 * i386.md (type): Add fistp type.
8347 (i387, length_attr, scheduling definitions): Handle this type.
8348 (fix_trunc?f?i2): Revamp to use mode switching.
8349 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8350 * i386.h (fp_cw_mode): New enum
8351 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8352 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8354 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8356 * Makefile.in (integrate.o): Add debug.h.
8357 * integrate.c (debug.h): Add.
8358 (output_inline_function): Save, reset, and restore debug_hooks.
8360 2001-07-15 Richard Henderson <rth@redhat.com>
8362 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8363 instead of COMPARE for the EQUIV expression.
8365 2001-07-15 Richard Henderson <rth@redhat.com>
8367 * flow.c (redirect_edge_and_branch_force): Initialize
8368 global_live_at_start and global_live_at_end.
8369 (allocate_bb_life_data): Export.
8370 * basic-block.h (allocate_bb_life_data): Declare.
8371 * toplev.c (rest_of_compilation): Call it.
8373 2001-07-15 Richard Henderson <rth@redhat.com>
8375 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8376 (alpha_tablejump_best_label): New.
8377 * config/alpha/alpha-protos.h: Declare them.
8378 * config/alpha/alpha.md: Use braced strings for code blocks.
8379 (tablejump_osf): Break out add with r29.
8380 (tablejump_osf_internal): Remove.
8381 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8382 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8384 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8386 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8389 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8391 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8392 (ix86_fp_jump_nontrivial_p): New.
8393 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8394 use ix86_fp_jump_nontrivial_p.
8395 * i386.c (ix86_fp_jump_nontrivial_p): New.
8396 (ix86_split_fp_branch): Accept code instead of rtx.
8397 (ix86_expand_compare): Expand comparison early in case
8398 doing so is resonably cheap.
8400 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8402 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8404 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8405 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8407 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8409 * dbxout.c (dbxout_source_line): Make static, update prototype.
8410 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8411 (dbxout_init, dbxout_finish, dbxout_source_line,
8412 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8413 * dbxout.h (dbxout_source_line): Delete.
8414 * debug.c (debug_nothing_file, debug_nothing_file_int,
8415 debug_nothing_file_charstar_rtx): New.
8416 (do_nothing_debug_hooks): Update.
8417 (debug_nothing_void, debug_nothing_charstar_rtx,
8418 dwarf2out_end_epilogue): New.
8419 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8420 * debug.h (struct rtx_def): Declare.
8421 (gcc_debug_hooks): New hooks source_line, end_epilogue
8423 (debug_nothing_void, debug_nothing_charstar_rtx,
8424 dwarf2out_end_epilogue): New.
8425 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8426 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8427 (dwarf2_debug_hooks): Update.
8428 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8429 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8430 * dwarf2out.h (dwarf2out_source_line): Remove.
8431 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8432 Make static, update prototype.
8433 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8434 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8435 (dwarf_debug_hooks): Update.
8436 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8437 dwarfout_end_function): Remove.
8438 * final.c (profile_function): Use debug hooks for ending functions
8440 (output_source_line, final_end_function): Update prototype,
8442 (final_start_function, final_scan_insn): Update.
8443 * output.h (sdb_begin_function_line): Remove.
8444 (final_end_function): Update prototype.
8445 * sdbout.c (sdb_begin_function_line): Make static.
8446 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8447 (sdbout_source_line): New.
8448 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8450 (sdb_debug_hooks): Update.
8451 (sdbout_init, sdbout_source_line,
8452 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8453 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8454 * toplev.c (compile_file, rest_of_compilation): Update.
8455 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8456 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8457 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8458 Update for prototype changes.
8459 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8460 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8462 2001-07-15 Richard Henderson <rth@redhat.com>
8464 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8465 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8466 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8467 * config/alpha/alpha.c: Likewise.
8468 * config/alpha/alpha.md: Likewise.
8469 * config/alpha/alpha32.h: Likewise.
8470 * config/alpha/vms.h: Likewise.
8473 2001-07-14 Richard Henderson <rth@redhat.com>
8475 * config/alpha/alpha.md: Use define_constants for unspec values.
8476 Substitute throughout.
8478 2001-07-14 Tim Josling <tej@melbpc.org.au>
8480 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8482 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8484 * pa.md: Remove unused constraints from define_split's.
8486 2001-04-14 Richard Henderson <rth@redhat.com>
8488 * ifcvt.c (find_cond_trap): Test for exit block.
8490 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8492 Re-install recently reverted patch.
8493 * emit-rtl.c (try_split): Update mark_jump_label call.
8494 * flow.c (find_sub_basic_blocks): Likewise.
8495 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8497 (mark_all_labels): Kill second parameter.
8498 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8499 (rebuild_jump_labels, jump_optimize_minimal): Update call
8501 (jump_optimize_1): Kill crossjumping code.
8502 (mark_jump_label): Kill cross_jump parameter.
8503 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8504 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8505 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8507 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8509 (dump_file_info): Likewise.
8510 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8511 reorganize passes to do reg-stack first, bb-reorder second.
8512 * invoke.texi (-d letters doc): Remove the jump2 pass.
8514 2001-07-14 Richard Henderson <rth@redhat.com>
8516 * ifcvt.c (find_cond_trap): New.
8517 (find_if_header): Call it.
8518 (merge_if_block): Relax existing jump sanity check.
8519 * jump.c (jump_optimize_1): Remove conditional trap handling.
8521 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8523 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8525 (insn_refs_are_delayed): Correct comment.
8526 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8527 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8528 instead of r31. Make associated insn !TARGET_64BIT, and
8529 provide an additional 64-bit insn that clobbers r2.
8531 (udivsi3): Likewise.
8533 (umodsi3): Likewise.
8535 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8537 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8539 * flow.c (redirect_edge_and_branch_force, split_edge,
8540 try_crossjump_to_edge): Use set_block_for_new_insns.
8541 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8543 2001-07-13 H.J. Lu (hjl@gnu.org)
8545 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8548 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8550 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8552 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8554 * c-common.c (decl_attributes): Take a pointer to the node to
8555 which attributes are to be attached, and a flags argument.
8556 * c-common.h (enum attribute_flags): New.
8557 (decl_attributes): Update prototype.
8558 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8559 finish_enum, start_function): Update calls to decl_attributes.
8560 * c-parse.in (component_declarator, component_notype_declarator,
8561 label): Update calls to decl_attributes.
8563 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8565 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8566 * config/avr/avr.c (legitimate_address_p): Return value changed
8567 from letter to register classes. For better debugging.
8569 2001-07-13 Kazu Hirata <kazu@hxi.com>
8571 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8573 2001-07-13 H.J. Lu (hjl@gnu.org)
8575 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8577 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8579 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8580 correctly for shared configurations.
8581 * config/t-libgcc-pic: New.
8582 * config/{i386,m68k,sparc}/t-openbsd: New.
8583 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8584 Support -shared. Support debugging libraries with -g.
8585 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8586 frame information does not emit pointer diffs.
8587 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8590 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8592 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8594 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8596 * combine.c (try_combine): Ensure const_int pow2 is positive.
8598 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8600 * config.gcc: Add configuration for s/390.
8601 * config/s390/s390.c: New. Subroutines for code generation.
8602 * config/s390/s390.h: New. Definitions for s/390.
8603 * config/s390/s390-protos.h: New. Prototypes.
8604 * config/s390/linux.h: New. Definitions for linux for s/390.
8605 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8606 * config/s390/t-linux: New. Makefile fragment.
8607 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8608 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8610 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8612 * emit-rtl.c (try_split): Update mark_jump_label call.
8613 * flow.c (find_sub_basic_blocks): Likewise.
8614 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8616 (mark_all_labels): Kill second parameter.
8617 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8618 (rebuild_jump_labels, jump_optimize_minimal): Update call
8620 (jump_optimize_1): Kill crossjumping code.
8621 (mark_jump_label): Kill cross_jump parameter.
8622 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8623 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8624 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8626 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8628 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8629 reorganize passes to do reg-stack first, bb-reorder second.
8630 * invoke.texi (-d letters doc): Remove the jump2 pass.
8632 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8634 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8636 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8638 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8640 (verify_flow_info): Make diagnostics prettier.
8642 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8644 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8646 * flow.c (outgoing_edges_match): Return early if condition reversal
8649 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8651 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8652 (mips_move_2words): When splitting a move into two instructions,
8653 prefix the second address operand with '%D'.
8655 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8657 * Makefile.in (final.o): Depend on debug.h.
8658 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8659 (dbx_debug_hooks): Add new hooks.
8660 (xcoff_debug_hooks): New.
8661 * debug.c (debug_nothing_file_int_int): New.
8662 (do_nothing_debug_hooks): Update.
8663 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8664 (debug_nothing_file_int_int): New.
8665 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8666 static, update prototype.
8667 (dwarf2_debug_hooks): Update.
8668 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8669 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8670 static, update prototype.
8671 (dwarf_debug_hooks): Update.
8672 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8673 * final.c: Include debug.h.
8674 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8675 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8676 static, update prototype.
8677 (sdb_debug_hooks): Update.
8678 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8679 * toplev.c: Distinguish between xcoff and dbx.
8681 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8682 Call all debug hooks, not just dwarf ones.
8684 2001-07-11 Timothy Wall <twall@redhat.com>
8686 * config.gcc: Add configuration for AIX5/IA64.
8687 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8688 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8689 support prefix/suffix code.
8690 * config/ia64/t-aix: New. Makefile fragment.
8691 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8693 2001-07-11 Kazu Hirata <kazu@hxi.com>
8695 * recog.c (validate_change): Fix a comment typo.
8697 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8699 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8700 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8702 * dbxout.c (dbx_debug_hooks): Add new hooks.
8703 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8705 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8707 * dbxout.h (dbxout_start_new_source_file,
8708 dbxout_resume_previous_source_file): Delete.
8709 * debug.c (do_nothing_debug_hooks): Add new hooks.
8710 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8711 (debug_nothing_int_charstar, debug_nothing_int): New.
8712 * debug.h (gcc_debug_hooks): New hooks define, undef,
8713 start_source_file and end_source_file.
8714 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8715 (debug_nothing_int_charstar, debug_nothing_int): New.
8716 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8717 the conditionally compiled section.
8718 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8719 dwarf2out_define, dwarf2out_undef): Make static.
8720 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8721 dwarf2out_define, dwarf2out_undef): Remove.
8722 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8723 (dwarfout_start_source_file, dwarfout_end_source_file,
8724 dwarfout_define, dwarfout_undef): Make static.
8725 (dwarfout_start_source_file_check,
8726 dwarfout_end_source_file_check): New.
8727 (dwarfout_define, dwarfout_finish): Update.
8728 * dwarfout.h (dwarfout_start_new_source_file,
8729 dwarfout_resume_previous_source_file, dwarfout_define,
8730 dwarfout_undef): Remove.
8731 * sdbout.c (sdb_debug_hooks): Add new hooks.
8732 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8734 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8735 make static, take an arg.
8736 * sdbout.h (sdbout_start_new_source_file,
8737 sdbout_resume_previous_source_file): Delete.
8738 * toplev.c (debug_start_source_file, debug_end_source_file,
8739 debug_define, debug_undef): Delete.
8740 * toplev.h (debug_start_source_file, debug_end_source_file,
8741 debug_define, debug_undef): Delete.
8743 * java/jcf-parse.c: Include debug.h.
8744 (parse_class_file): Update to use debug hooks directly.
8745 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8747 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8749 * alias.c (set_mem_alias_set): New function.
8750 * rtl.h (set_mem_alias_set): Declare it.
8751 * builtins.c (expand_builtin_return_addr): Call it instead of
8752 using MEM_ALIAS_SET accessor.
8753 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8754 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8755 (expand_builtin_va_copy):Likewise.
8756 * caller-save.c (setup_save_areas): Likewise.
8757 * calls.c (compute_argument_addresses): Likewise.
8758 * explow.c (set_mem_attributes): Likewise.
8759 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8760 (expand_assignment, store_constructor_field, store_field): Likewise.
8761 (expand_expr_unaligned): Likewise.
8762 * function.c (assign_stack_temp_for_type): Likewise.
8763 (put_reg_into_stack, gen_mem_addressof): Likewise.
8764 * ifcvt.c (noce_try_cmove_arith): Likewise.
8765 * reload1.c (reload, alter_reg): Likewise.
8766 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8767 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8768 (alpha_expand_unaligned_store): Likewise
8769 (alpha_expand_unaligned_load_words): Likewise.
8770 (alpha_expand_unaligned_store_words): Likewise.
8771 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8772 (alpha_expand_epilogue): Likewise.
8773 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8774 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8775 * config/i386/i386.c (legitimize_pic_address): Likewise.
8776 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8777 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8778 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8779 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8780 * config/mips/mips.c (mips_va_arg): Likewise.
8781 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8782 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8783 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8784 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8785 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8786 (rs6000_emit_epilogue): Likewise.
8787 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8788 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8789 * config/v850/v850.c (v850_va_arg): Likewise.
8791 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8793 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8794 when fallthru edge is present.
8795 (mege_blocks): Handle case where creation of jump insn
8798 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8799 CLEANUP_POST_REGSTACK): New constants.
8800 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8801 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8802 * output.h (cleanup_cfg): Update prototype.
8803 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8804 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8805 cleanup_cfg call; kill missleading comment.
8806 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8807 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8808 parameter; control optimizations performed using it.
8809 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8810 try_crossjump_bb): New functions.
8812 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8814 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8816 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8817 pa_output_function_prologue.
8818 * pa-protos.h (pa_output_function_prologue): New prototype.
8820 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8822 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8823 and low to get correct sign extension in low+high test.
8825 2001-07-11 Janis Johnson <janis@us.ibm.com>
8827 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8828 for large hit count.
8830 * profile.c (branch_prob): Fix .bbg info for computed gotos
8833 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8835 * stmt.c (parse_output_constraint): New function, split out
8837 (expand_asm_operands): ... here. Use parse_output_constraint.
8838 * tree.h (parse_output_constraint): Declare it.
8840 2001-07-11 Richard Henderson <rth@redhat.com>
8842 * bitmap.c: Comment some functions; fiddle whitespace.
8843 (bitmap_free): Don't export.
8844 (bitmap_element_allocate): Use memset.
8845 * bitmap.h (bitmap_free): Don't declare.
8847 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8849 * gcse.c, lcm.c, sched-deps.c:
8850 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8852 * flow.c (flow_loops_find): Free dom if we found no loops, since
8853 we aren't going to save it.
8855 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8858 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8860 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8862 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8864 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8865 #ifndef DWARF2_DEBUGGING_INFO.
8867 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8869 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8871 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8873 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8874 reverse a branch if a NE comparison is implemented with GTU.
8876 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8877 H.J. Lu <hjl@gnu.org>
8879 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8881 (call_internal2): Likewise.
8882 (call_value_internal1): Likewise.
8883 (call_value_internal2): Likewise.
8884 (call_value_multiple_internal1): Likewise.
8885 (call_value_multiple_internal2): Likewise.
8887 2001-07-10 Kazu Hirata <kazu@hxi.com>
8889 * calls.c (emit_library_call_value_1): Fix a comment typo.
8890 * dwarf2out.c (mem_loc_descriptor): Likewise.
8891 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8893 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8895 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8897 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8899 * recog.c (offsettable_address_p): Handle LO_SUM case.
8900 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8901 instead of plus_constant.
8903 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8905 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8906 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8908 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8910 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8911 adjust_address_nv instead of plus_constant.
8913 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8915 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8916 dwarf2out.o): Depend on debug.h, wrap long lines.
8917 * dbxout.c: Include debug.h.
8918 (dbx_debug_hooks): New.
8919 (dbxout_init): Make static, take just 2 args.
8920 (dbxout_finish): Make static.
8921 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8922 * debug.c: New file.
8923 * debug.h: New file.
8924 * dwarf2out.c: Include debug.h.
8925 (dwarf2_debug_hooks): New.
8926 (dwarf2out_init): Make static.
8927 (dwarf2out_finish): Make static, take 2 args.
8928 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8929 * dwarfout.c: Include debug.h.
8930 (dwarf_debug_hooks): New.
8931 (dwarfout_init): Make static.
8932 (dwarfout_finish): Make static, take 2 args.
8933 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8934 * sdbout.c: Include debug.h.
8935 (sdb_debug_hooks): New.
8936 (sdbout_init): Make static, take 2 args.
8937 * sdbout.h (sdbout_init): Delete.
8938 * toplev.c: Include debug.h.
8940 (compile_file): Set deubg_hooks based on command line options.
8941 Use the hooks unconditionally rather than conditional compilation.
8943 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8945 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8946 first_insn_after_basic_block_note instead.
8948 * df.c (df_bb_refs_unlink): #if 0 out for now.
8950 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8952 * ssa.h: Add prototype for ssa_const_prop
8953 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8954 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8955 (ssa_fast_dce): Remove unused variable
8957 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8959 * diagnostic.c (finish_diagnostic): Rename to
8960 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8963 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8965 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8968 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8969 (dump_file): Only pad the demangled name with spaces if the
8970 mangled name was padded with spaces.
8972 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8974 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8977 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8979 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8980 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8983 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8984 whether can put offset inside LO_SUM to check mode alignment, not size.
8986 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8988 * doc/tm.texi (Misc): Fix thinko.
8990 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8992 * regmove.c (replace_in_call_usage): Fix warnings.
8993 * sched-deps.c (add_dependence): Fix warnings.
8994 * simplify-rtx.c (simplify_subreg): Likewise.
8995 Return NULL_RTX instead of NULL.
8997 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8998 (subst_asm_stack_regs): Likewise.
9000 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
9003 * dwarf2out.c (output_call_frame_info): Declare i as int.
9004 (build_abbrev_table): Declare n_alloc as int.
9005 (dwarf2out_finish): Initialize die.
9006 * except.c: Declare sjlj_funcdef_number as unsigned.
9007 (connect_post_landing_pads): Declare j as unsigned.
9008 (convert_to_eh_region_ranges): Initialize call_site.
9009 (output_function_exception_table): Initialize tt_format_size.
9010 * expr.c (move_by_pieces_1): Initialize to1.
9011 (store_constructor): Initialize minelt and maxelt.
9012 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
9013 * function.c (instantiate_decls): Avoid signed/unsigned warning.
9015 * c-decl.c (combine_parm_decls): Unused, remove.
9016 * c-tree.h: Remove prototype for combine_parm_decls.
9018 * reload.c (push_reload): Fix warning.
9019 (regno_clobbered_p): Likewise.
9020 * reload1.c (replace_pseudos_in_call_usage): Likewise.
9021 (reload_combine): Likewise.
9023 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
9024 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
9026 * bitmap.c (bitmap_operation): Change user.
9027 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
9029 2001-07-10 Eric Christopher <echristo@redhat.com>
9031 * config/mips/mips.c (override_options): Fix typo.
9033 2001-07-09 Stan Shebs <shebs@apple.com>
9035 * target.h (struct gcc_target): New fields init_builtins and
9037 * target-def.h (TARGET_INIT_BUILTINS): New macro.
9038 (TARGET_EXPAND_BUILTIN): New macro.
9039 (TARGET_INITIALIZER): Add them.
9040 * builtins.c: Include target.h.
9041 (expand_builtin): Use targetm.expand_builtin.
9042 (default_init_builtins): New function.
9043 (default_expand_builtin): New function.
9044 * expr.h (default_init_builtins): Declare.
9045 (default_expand_builtin): Declare.
9046 * c-common.c (c_common_nodes_and_builtins): Use
9047 targetm.init_builtins.
9048 * defaults.h (MD_INIT_BUILTINS): Remove.
9049 * Makefile.in (builtins.o): Depend on target.h.
9051 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
9052 (TARGET_EXPAND_BUILTIN): Define.
9053 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
9054 (MD_EXPAND_BUILTIN): Remove.
9056 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
9057 (TARGET_EXPAND_BUILTIN): Define.
9058 (c4x_init_builtins): Make endlink arg a local.
9059 (c4x_print_operand): Fix typos in adjust_address usages.
9060 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
9061 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
9062 (MD_EXPAND_BUILTIN): Remove.
9064 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
9065 (TARGET_EXPAND_BUILTIN): Define.
9066 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
9067 (ix86_init_builtins): Call new function only if TARGET_MMX.
9068 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
9069 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
9070 (MD_EXPAND_BUILTIN): Remove.
9072 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
9073 (TARGET_EXPAND_BUILTIN): Define.
9074 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
9075 (MD_EXPAND_BUILTIN): Remove.
9077 * doc/tm.texi: Document these changes.
9079 2001-07-09 Diego Novillo <dnovillo@redhat.com>
9081 * basic-block.h (tree_node): Forward declare if needed.
9082 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
9083 (BLOCK_HEAD_TREE): Define.
9084 (BLOCK_END_TREE): Define.
9085 (struct loops): Rename field 'tree' to 'tree_root'.
9086 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
9088 (flow_loops_tree_build): Rename reference to field 'tree' to
9090 (flow_loops_level_compute): Ditto.
9091 * predict.c (estimate_bb_frequencies): Ditto.
9092 * tree.h (struct tree_common): Add field 'aux'.
9094 2001-07-09 Stan Shebs <shebs@apple.com>
9096 * config/darwin.c (darwin_encode_section_info): Don't mark any
9097 DECL_EXTERNAL node as defined.
9099 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
9101 * pa.c (pa_init_machine_status, pa_mark_machine_status,
9102 pa_free_machine_status, hppa_init_pic_save): Delete.
9103 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
9104 (hppa_profile_hook): Use hppa_pic_save_rtx.
9105 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
9106 hppa_init_pic_save): Delete.
9107 (hppa_pic_save_rtx): Declare.
9108 * pa.md (call, call_value, sibcall, sibcall_value,
9109 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
9111 2001-07-09 Kazu Hirata <kazu@hxi.com>
9113 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
9114 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
9116 2001-07-09 Andreas Jaeger <aj@suse.de>
9118 * output.h: Add declaration of final_forward_branch_p.
9120 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
9122 * varray.c: Include errors.h for internal_error and trim_filename
9125 * Makefile.in (varray.o): Add errors.h.
9127 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
9129 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
9130 * optabs.c (have_add2_insn): Check whether the add insn chosen
9131 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
9132 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
9134 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
9136 * Makefile.in (OBJS): Add ssa-ccp.o
9137 (ssa-ccp.o): Add dependencies.
9138 * toplev.c (DFI_ssa_ccp): New dump file enum.
9139 (dump_file): Add entry for dumping after SSA CCP.
9140 (flag_ssa_ccp): New flag variable.
9141 (f_options): Add -fssa-ccp.
9142 (rest_of_compilation): Run SSA CCP if requested.
9143 * timevar.def (TV_SSA_CCP): New timevar.
9144 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
9145 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
9146 Fix minor typo in SSA DCE documentation.
9147 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
9148 Add documentation for new dump option. Renumber dump files
9151 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9153 * emit-rtl.c (gen_highpart_mode): New.
9154 * rtl.h (gen_highpart_mode): Declare.
9155 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
9156 operand can be VOIDmode constant.
9158 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
9160 * flow.c (redirect_edge_and_branch_force): New.
9161 (can_fallthru): Ensure that basic blocks are succeeding.
9162 (try_optimize_cfg): Do not delete basic block if it is the last one.
9164 * flow.c (try_redirect_by_replacing_jump): Do not remove
9165 jumps with side effects, unlink chain on fallthru edge;
9166 set block for new jump instruction; avoid basic block to
9167 over by line number note.
9169 * flow.c (try_simplify_condjump): Verify that the condjump
9170 is not always falling trought.
9173 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9175 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9176 (try_redirect_by_replacing_jump): Update properly the count
9177 and frequency information.
9179 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9181 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
9182 address that is a LO_SUM specially.
9183 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
9185 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
9187 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
9188 (operand_subword): Use them.
9189 (change_address_1): Renamed from change_address; new arg VALIDATE.
9190 * expr.h: Reflect above changes; change_address now macro.
9191 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
9193 * cselib.c (add_mem_for_addr): Likewise.
9194 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
9195 * regmove.c (try_apply_stack_adjustment): Likewise.
9196 * reload.c (push_reload, make_memloc): Likewise.
9197 * reload1.c (eliminate_regs): Likewise.
9198 * simplify-rtx.c (simplify_replace_rtx): Likewise.
9199 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
9201 * combine.c (make_extraction, simplify_shift_const): Likewise.
9202 (gen_lowpart_for_combine): Likewise.
9203 * cse.c (gen_lowpart_if_possible): Likewise.
9204 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
9205 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
9206 * optabs.c (gen_move_insn): Likewise.
9207 * reload1.c (alter_reg): Likewise.
9208 * simplify-rtx.c (simplify_subreg): Likewise.
9209 * stmt.c (expand_anon_union_decl): Likewise.
9210 * recog.c (validate_replace_rtx_1): Likewise.
9212 * Makefile.in (recog.o): Add $(EXPR_H).
9213 * explow.c (stabilize): Call replace_equiv_address.
9214 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
9215 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9217 2001-07-03 Andrew Haley <aph@redhat.com>
9219 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9220 the mode of the memory location.
9222 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9224 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9226 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9228 * final.c (output_addr_const): Use target opening and
9229 closing parentheses.
9230 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9231 defaults, add to TARGET_ASM_OUT.
9232 * target.h (struct gcc_target): Add open_paren and close_paren.
9233 * doc/md.texi: Update.
9234 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9235 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9236 TARGET_ASM_CLOSE_PAREN.
9237 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9239 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9241 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9242 * config/a29k/a29k.h: Similarly.
9243 * config/alpha/alpha.h: Similarly.
9244 * config/arc/arc.h: Similarly.
9245 * config/arm/aof.h: Similarly.
9246 * config/arm/aout.h: Similarly.
9247 * config/avr/avr.h: Similarly.
9248 * config/c4x/c4x.h: Similarly.
9249 * config/clipper/clipper.h: Similarly.
9250 * config/convex/convex.h: Similarly.
9251 * config/d30v/d30v.h: Similarly.
9252 * config/dsp16xx/dsp16xx.h: Similarly.
9253 * config/elxsi/elxsi.h: Similarly.
9254 * config/fr30/fr30.h: Similarly.
9255 * config/h8300/h8300.h: Similarly.
9256 * config/i370/i370.h: Similarly.
9257 * config/i386/i386.h: Similarly.
9258 * config/i860/i860.h: Similarly.
9259 * config/i960/i960.h: Similarly.
9260 * config/ia64/ia64.h: Similarly.
9261 * config/m32r/m32r.h: Similarly.
9262 * config/m68hc11/m68hc11.h: Similarly.
9263 * config/m68k/m68k.h: Similarly.
9264 * config/m88k/m88k.h: Similarly.
9265 * config/mcore/mcore.h: Similarly.
9266 * config/mips/mips.h: Similarly.
9267 * config/mn10200/mn10200.h: Similarly.
9268 * config/mn10300/mn10300.h: Similarly.
9269 * config/ns32k/ns32k.h: Similarly.
9270 * config/pa/pa.h: Similarly.
9271 * config/pdp11/pdp11.h: Similarly.
9272 * config/pj/pj.h: Similarly.
9273 * config/romp/romp.h: Similarly.
9274 * config/rs6000/rs6000.h: Similarly.
9275 * config/sh/sh.h: Similarly.
9276 * config/sparc/sparc.h: Similarly.
9277 * config/v850/v850.h: Similarly.
9278 * config/vax/vax.h: Similarly.
9279 * config/we32k/we32k.h: Similarly.
9281 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9283 * doc/c-tree.texi: Document representation of attributes.
9285 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9287 * doc/tm.texi: Update some places for the rename of target to
9290 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9292 * target.h (struct gcc_target): Add insert_attributes.
9293 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9294 (TARGET_INITIALIZER): Update.
9295 * tree.c, tree.h (default_insert_attributes): New function.
9296 Update comments on other default functions to refer to targetm,
9298 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9299 TARGET_INSERT_ATTRIBUTES.
9300 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9301 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9302 Don't use PRAGMA_INSERT_ATTRIBUTES.
9303 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9304 * c-decl.c (start_decl, start_function): Don't call
9305 SET_DEFAULT_DECL_ATTRIBUTES.
9306 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9307 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9309 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9310 (c4x_check_attribute): Avoid modifying attribute list itself.
9311 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9313 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9314 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9316 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9317 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9319 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9320 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9322 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9323 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9324 Adjust parameters. Make static.
9326 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9328 * c-common.c (decl_attributes): Only take a single attributes
9330 * c-common.h (decl_attributes): Update prototype.
9331 * c-decl.c (start_decl, start_function): Only take a single
9332 attributes parameter. Update calls to decl_attributes.
9333 (finish_struct, finish_enum): Update calls to decl_attributes.
9334 (push_parm_decl): Expect unified list of attributes. Update call
9336 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9337 notype_nested_function, component_declarator,
9338 component_notype_declarator, label): Update calls to
9340 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9341 lists that are passed to push_parm_decl.
9342 * c-tree.h (start_function, start_decl): Update prototypes.
9343 * config/sh/sh-protos.h, config/sh/sh.c
9344 (sh_pragma_insert_attributes): Only take a single attributes
9346 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9347 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9348 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9349 build_module_descriptor, generate_static_references,
9350 generate_strings, build_selector_translation_table,
9351 generate_descriptor_table, generate_protocols,
9352 generate_ivars_list, generate_dispatch_table,
9353 generate_protocol_list, generate_category,
9354 generate_shared_structures, really_start_method, add_objc_decls,
9355 generate_classref_translation_entry): Update calls to start_decl
9357 (build_tmp_function_decl, start_method_def): Unify attribute lists
9358 that are passed to push_parm_decl.
9360 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9362 * final.c (no_asm_to_stream): New.
9363 (final_scan_insn): Use target structures for prologue ends
9364 and epilogue starts.
9365 * output.h (no_asm_to_stream): New.
9366 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9367 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9368 (TARGET_ASM_OUT): Update.
9369 * target.h (struct gcc_target): New members function_end_prologue
9370 and function_begin_epilogue.
9371 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9372 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9373 * config/alpha/alpha.c (output_end_prologue): Rename to
9374 alpha_output_function_end_prologue. Use in target struct
9376 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9377 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9378 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9379 ia64_output_function_end_prologue. Use in target struct
9381 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9382 mistyped prototypes.
9383 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9384 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9386 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9387 an use in target struct, make static.
9388 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9391 2001-07-08 Richard Henderson <rth@redhat.com>
9393 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9395 2001-07-08 Richard Henderson <rth@redhat.com>
9397 * config/i386/i386.md: Remove constraints strings from define_split
9398 and define_peephole2 patterns.
9399 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9400 (eh_return): Use them.
9402 2001-07-08 Richard Henderson <rth@redhat.com>
9404 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9405 Document MD_FALLBACK_FRAME_STATE_FOR.
9407 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9409 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9410 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9412 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9414 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9416 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9417 of the label inside NAME as opposed to just the end of NAME.
9419 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9421 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9422 * config/alpha/alpha.c (alpha_init_machine_status,
9423 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9424 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9425 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9426 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9428 2001-07-06 Stan Shebs <shebs@apple.com>
9430 * target.h (targetm): Rename global from "target", so as not to
9431 conflict with local variables.
9433 * c-typeck.c: Ditto.
9437 * cp/decl2.c: Ditto.
9438 * cp/typeck.c: Ditto.
9439 * 1750a/1750a.c: Ditto.
9440 * a29k/a29k.c: Ditto.
9444 * clipper/clipper.c: Ditto.
9445 * convex/convex.c: Ditto.
9446 * d30v/d30v.c: Ditto.
9447 * dsp16xx/dsp16xx.c: Ditto.
9448 * elxsi/elxsi.c: Ditto.
9449 * fr30/fr30.c: Ditto.
9450 * h8300/h8300.c: Ditto.
9451 * i370/i370.c: Ditto.
9452 * i386/i386.c: Ditto.
9453 * i860/i860.c: Ditto.
9454 * i960/i960.c: Ditto.
9455 * ia64/ia64.c: Ditto.
9456 * m32r/m32r.c: Ditto.
9457 * m68hc11/m68hc11.c: Ditto.
9458 * m68k/m68k.c: Ditto.
9459 * m88k/m88k.c: Ditto.
9460 * mips/mips.c: Ditto.
9461 * ns32k/ns32k.c: Ditto.
9463 * pdp11/pdp11.c: Ditto.
9464 * romp/romp.c: Ditto.
9465 * rs6000/rs6000.c: Ditto.
9467 * sparc/sparc.c: Ditto.
9469 * we32k/we32k.c: Ditto.
9470 * doc/tm.texi: Update the manual to match.
9472 2001-07-06 Richard Henderson <rth@redhat.com>
9474 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9475 DWARF2_UNWIND_INFO not just whether it is defined.
9477 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9479 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9480 call to simplify_binary_operation returns a new pattern.
9482 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9484 * glimits.h (__SHRT_MAX__): New.
9485 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9486 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9488 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9490 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9493 2001-07-06 Richard Henderson <rth@redhat.com>
9495 * bitmap.c (bitmap_release_memory): Move adjacent to the
9496 allocation functions.
9497 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9498 the implementation. Binary search for the set bit.
9499 (bitmap_union_of_diff): Allocate the temporary on the stack
9500 instead of using xmalloc.
9502 2001-07-06 Richard Henderson <rth@redhat.com>
9504 * genrecog.c (validate_pattern): Warn for constraints in
9505 define_{expand,split,peephole2}. Remove strict_low_part
9506 before looking up match_dup.
9508 2001-07-06 DJ Delorie <dj@redhat.com>
9510 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9511 chapter about various build hints and history. Add section
9512 talking about the various types of native and cross builds.
9514 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9516 * Makefile.in (final.o): Depend on target.h.
9517 * final.c: Include target.h.
9518 (default_function_pro_epilogue): New.
9519 (final_start_function): Use target structure for function prologues.
9520 (final_end_function): Use target structure for function epilogues.
9521 * fold-const.c (real_hex_to_f): Constify s and p.
9522 * output.h (default_function_pro_epilogue): New.
9523 * real.h (real_hex_to_f): Update prototype.
9524 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9525 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9526 (TARGET_INITIALIZER): Update.
9527 * target.h (gcc_target): Add struct asm_out.
9528 * doc/tm.texi: Update.
9531 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9532 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9533 in cpu/cpu.c, or rename old functions consistently. Take
9534 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9535 redundant macros and prototypes. Make new functions static.
9537 * 1750a/1750a.c: Similarly.
9538 * 1750a/1750a.h: Similarly.
9539 * a29k/a29k-protos.h: Similarly.
9540 * a29k/a29k.c: Similarly.
9541 * a29k/a29k.h: Similarly.
9542 * arc/arc-protos.h: Similarly.
9543 * arc/arc.c: Similarly.
9544 * arc/arc.h: Similarly.
9545 * arm/arm-protos.h: Similarly.
9546 * arm/arm.c: Similarly.
9547 * arm/arm.h: Similarly.
9548 * avr/avr-protos.h: Similarly.
9549 * avr/avr.c: Similarly.
9550 * avr/avr.h: Similarly.
9551 * clipper/clipper-protos.h: Similarly.
9552 * clipper/clipper.c: Similarly.
9553 * clipper/clipper.h: Similarly.
9554 * convex/convex.c: Similarly.
9555 * convex/convex.h: Similarly.
9556 * d30v/d30v-protos.h: Similarly.
9557 * d30v/d30v.c: Similarly.
9558 * d30v/d30v.h: Similarly.
9559 * d30v/d30v.md: Similarly.
9560 * dsp16xx/dsp16xx-protos.h: Similarly.
9561 * dsp16xx/dsp16xx.c: Similarly.
9562 * dsp16xx/dsp16xx.h: Similarly.
9563 * elxsi/elxsi.c: Similarly.
9564 * elxsi/elxsi.h: Similarly.
9565 * fr30/fr30.c: Similarly.
9566 * fr30/fr30.md: Similarly.
9567 * h8300/h8300-protos.h: Similarly.
9568 * h8300/h8300.c: Similarly.
9569 * h8300/h8300.h: Similarly.
9570 * i370/i370-protos.h: Similarly.
9571 * i370/i370.c: Similarly.
9572 * i370/i370.h: Similarly.
9573 * i386/i386.c: Similarly.
9574 * i386/osf1elf.h: Similarly.
9575 * i386/osfrose.h: Similarly.
9576 * i860/i860-protos.h: Similarly.
9577 * i860/i860.c: Similarly.
9578 * i860/i860.h: Similarly.
9579 * i960/i960-protos.h: Similarly.
9580 * i960/i960.c: Similarly.
9581 * i960/i960.h: Similarly.
9582 * ia64/ia64-protos.h: Similarly.
9583 * ia64/ia64.c: Similarly.
9584 * ia64/ia64.h: Similarly.
9585 * m32r/m32r-protos.h: Similarly.
9586 * m32r/m32r.c: Similarly.
9587 * m32r/m32r.h: Similarly.
9588 * m68hc11/m68hc11-protos.h: Similarly.
9589 * m68hc11/m68hc11.c: Similarly.
9590 * m68hc11/m68hc11.h: Similarly.
9591 * m68k/crds.h: Similarly.
9592 * m68k/dpx2.h: Similarly.
9593 * m68k/m68k-protos.h: Similarly.
9594 * m68k/m68k.c: Similarly.
9595 * m68k/m68k.h: Similarly.
9596 * m68k/news.h: Similarly.
9597 * m88k/m88k-protos.h: Similarly.
9598 * m88k/m88k.c: Similarly.
9599 * m88k/m88k.h: Similarly.
9600 * mips/mips-protos.h: Similarly.
9601 * mips/mips.c: Similarly.
9602 * mips/mips.h: Similarly.
9603 * ns32k/merlin.h: Similarly.
9604 * ns32k/ns32k.c: Similarly.
9605 * ns32k/ns32k.h: Similarly.
9606 * ns32k/tek6000.h: Similarly.
9607 * pa/pa-protos.h: Similarly.
9608 * pa/pa.c: Similarly.
9609 * pa/pa.h: Similarly.
9610 * pdp11/2bsd.h: Similarly.
9611 * pdp11/pdp11-protos.h: Similarly.
9612 * pdp11/pdp11.c: Similarly.
9613 * pdp11/pdp11.h: Similarly.
9614 * romp/romp-protos.h: Similarly.
9615 * romp/romp.c: Similarly.
9616 * romp/romp.h: Similarly.
9617 * rs6000/rs6000-protos.h: Similarly.
9618 * rs6000/rs6000.c: Similarly.
9619 * rs6000/rs6000.h: Similarly.
9620 * rs6000/sysv4.h: Similarly.
9621 * sh/sh-protos.h: Similarly.
9622 * sh/sh.c: Similarly.
9623 * sh/sh.h: Similarly.
9624 * sparc/sparc-protos.h: Similarly.
9625 * sparc/sparc.c: Similarly.
9626 * sparc/sparc.h: Similarly.
9627 * vax/vax.c: Similarly.
9628 * vax/vax.h: Similarly.
9629 * vax/vms.h: Similarly.
9630 * we32k/we32k.c: Similarly.
9631 * we32k/we32k.h: Similarly.
9633 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9635 * basic-block.h (first_insn_after_basic_block_note): Declare.
9636 * flow.c (first_insn_after_basic_block_note): Define. Moved
9638 * ssa.c (first_insn_after_basic_block_note): Remove.
9639 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9641 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9642 nodes when we find a dead conditional branch. Insert BARRIERs
9643 after any blocks with no successors, but which do not have
9646 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9648 * varray.c (varray_check_failed): Use internal_error.
9650 2001-07-05 Andrew Haley <aph@redhat.com>
9652 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9653 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9654 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9656 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9658 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9659 reference if the target constant is also a SYMBOL_REF.
9661 2001-07-05 Eric Christopher <echristo@redhat.com>
9663 * config/mips/mips.h (MASK_MIPS3900): Remove.
9664 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9665 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9666 (TARGET_MIPS3900): Change to use mips_arch.
9667 (TARGET_MIPS4000): New.
9668 (TARGET_MIPS4100): New.
9669 (TARGET_MIPS4300): New.
9670 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9671 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9673 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9674 (ISA_HAS_BRANCHLIKELY): To here.
9675 (CC1_CPU_SPEC): New.
9676 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9677 (mips_arch_string): Declare.
9678 (mips_arch): Declare.
9679 (TARGET_OPTIONS): Add -march and -mtune.
9681 * config/mips/mips.c (mips_arch_string): New.
9683 (override_options): Handle -march for codegen and -mtune
9684 for scheduling. Use mips_arch. Move tx39 target default here.
9685 (mips_parse_cpu): Move error message to override_options.
9687 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9689 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9691 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9692 (MIPS Options): Ditto. Change mcpu entry to historical text.
9694 2001-07-05 H.J. Lu (hjl@gnu.org)
9696 * config/mips/mips.c (mips_parse_cpu): New function to parse
9699 2001-07-05 Jim Wilson <wilson@redhat.com>
9701 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9702 * config/ia64/t-ia64: Likewise.
9703 (LIB1ASMFUNCS): Update comment.
9705 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9707 * doc/install.texi (Install GCC: Binaries): Fix typo.
9709 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9711 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9712 reference using the stack pointer, adjust it since we push Y
9714 ("*ashrsi3"): Likewise.
9715 ("*lshrsi3"): Likewise.
9717 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9719 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9720 when -fomit-frame-pointer is used.
9722 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9724 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9725 (try_redirect_by_replacing_jump): Reverse updating properly the
9726 count and frequency information. Reverse removing cc0 setter.
9727 (forwarder_block_p): Reverse fixing for fallthru blocks.
9729 2001-07-05 DJ Delorie <dj@redhat.com>
9731 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9732 (translate_options): If the above is defined, use it to map
9733 given options to new options.
9734 * doc/tm.texi: Document it.
9736 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9737 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9739 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9740 cause programs using computed gotos to run more slowly.
9742 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9744 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9746 Consistently require binutils 2.11.2, not prereleases.
9747 (Specific, decstation-*): Canonicalize as mips-dec-*.
9748 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9750 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9751 (Specific, mips-*): Reword MIPS C compiler requirements.
9752 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9753 (Specific, sunv5): Removed, obsolete.
9755 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9757 * dwarf2out.c (output_loc_list): Use an all ones mask for
9758 .text asm output and don't rely on long long
9759 literals. Reformat some long lines.
9761 2001-07-05 Andreas Jaeger <aj@suse.de>
9763 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9766 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9768 * dwarf2out.c (dwarf2out_define): Update comment.
9769 (dwarf2out_undef): Ditto.
9770 (dwarf2out_start_source_file): Ditto.
9771 (dwarf2out_end_source_file): Ditto.
9772 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9773 since we never call the start/end debug hook for the primary file.
9775 2001-07-04 Kazu Hirata <kazu@hxi.com>
9777 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9780 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9782 * cppinit.c (remove_dup_dirs): Inform if a system include
9783 directory is being reordered.
9784 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9786 * doc/cpp.texi (Search Paths): Likewise.
9787 * doc/gcc.texi (Interoperation): Remove information about
9790 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9792 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9793 (VARRAY_TOP_CHAR_PTR): Likewise.
9795 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9797 * gcc.c (process_command): Don't assign elements of a const char*.
9799 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9801 * emit-rtl.c (change_address): Don't abort if invalid address while
9802 reload is in progress.
9804 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9806 * c-lex.c (cb_file_change): Pass line number to
9807 debug_start_source_file.
9808 (cb_undefine): Pass correct line number to debug_undef.
9810 * toplev.c (debug_start_source_file): Add line number to
9811 parameters. Pass it along to dwarf2out_start_source_file.
9812 (decode_g_option): Stop resetting debug level back to normal when
9813 we change debug formats, unless the current level is
9814 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9817 * toplev.h (debug_start_source_file): Add line number to
9820 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9823 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9825 Output debug_macinfo data for starting file if requested.
9826 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9828 (dwarf2out_define): Output debug_macinfo data for defining a macro
9830 (dwarf2out_undef): Output debug_macinfo data for undefining a
9832 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9833 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9834 (macinfo_section_label): New. DWARF2 macro info section label.
9835 (dwarf2out_init): If we want macro info, output the start label
9837 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9838 attribute to the compilation unit die pointing to the macro info.
9840 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9842 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9843 DWARF2_DEBUGGING_INFO.
9844 (add_loc_descr_to_loc_list): Ditto.
9845 (output_loc_list): Ditto.
9846 Also, fix thinko in curr not being initialized.
9847 (gen_internal_sym): Ditto.
9849 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9851 * emit-rtl.c (replace_equiv_address): New function.
9852 * expr.h (replace_equiv_address): New declaration.
9853 * explow.c (validize_mem): Call it instead of change_address and
9854 also call if -fforce-addr and address is constant.
9855 * expr.c: Replace more calls to change_address with adjust_address
9856 and/or replace_equiv_address or to validize_mem.
9857 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9858 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9859 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9860 * config/i370/i370.md, config/i860/i860.md: Likewise.
9861 * config/i960/i960.md, config/mips/mips.c: Likewise.
9862 * config/mips/mips.md, config/pa/pa.md: Likewise.
9863 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9864 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9866 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9868 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9870 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9873 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9875 * doc/include: New directory.
9876 * doc/fdl.texi: Move to doc/include/fdl.texi.
9877 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9878 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9879 * doc/gcc.texi: Use funding.texi and gpl.texi.
9880 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9881 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9882 Update dependencies and use -I $(docdir)/include.
9884 2001-07-04 Anthony Green <green@redhat.com>
9886 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9888 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9890 * doc/install.texi (sparc64-*-*): Remove garbage.
9892 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9894 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9895 Fix typo in last change to use adjust_address.
9897 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9899 * doc/install.texi (Specific): Update information for *-*-solaris*.
9901 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9903 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9905 2001-07-03 Stan Shebs <shebs@apple.com>
9907 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9908 case for flag_no_mach_text_sections.
9909 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9910 * config/darwin.c (flag_no_mach_text_sections): Remove.
9911 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9913 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9915 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9916 and avoid checking for constant as first operand.
9917 * recog.c (find_constant_term_loc): No longer static.
9918 (adj_offettable_operand): Delete.
9919 * rtl.h (adj_offsettable_operand): Delete declaration.
9920 (find_constant_term): Add declaration.
9921 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9923 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9924 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9925 * config/i386/i386.c, config/i386/i386.md: Likewise.
9926 * config/i860/i860.c, config/i960/i960.c: Likewise.
9927 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9928 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9929 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9930 * config/mips/mips.c, config/mips/mips.md: Likewise.
9931 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9932 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9933 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9934 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9935 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9936 * config/ns32k/ns32k.md: Likewise.
9938 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9940 * rtl.c (copy_rtx): Handle 'T' format letter.
9941 * gensupport.c (collect_insn_data): Likewise.
9942 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9944 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9946 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9947 -B option. Use 'dir' not 'foo' as example directory name.
9949 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9951 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9952 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9954 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9956 * doc/cppinternals.texi: Improve formatting and logical markup.
9958 2001-07-03 Andreas Jaeger <aj@suse.de>
9960 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9962 * genrecog.c (write_header): Include reload.h for prototypes in
9965 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9968 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9969 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9970 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9971 i386_pe_valid_type_attribute_p): Add.
9972 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9973 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9975 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9977 * explow.c (plus_constant_wide, case LO_SUM): New case.
9978 (plus_constant_for_output_wide): Delete.
9979 * rtl.h (plus_constant_for_output): Delete.
9980 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9981 instead of plus_constant_for_output.
9982 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9983 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9984 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9985 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9986 * config/sparc/sparc.md: Likewise.
9987 Convert some change_address calls to adjust_address.
9989 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9991 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9992 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9993 documentation of -std and -Wwrite-strings.
9995 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9997 * cse.c (canon_hash): Don't register registers in very small
9998 register classes, as extending their lifetime might cause
10001 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
10003 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
10005 * flow.c (forwarder_block_p): Fix for fallthru blocks.
10006 (try_redirect_by_replacing_jump): Update properly the count
10007 and frequency information.
10009 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
10011 * toplev.c (dump_file_index): Move SSA dumps just after first
10013 (dump_file): Corresponding changes.
10014 (rest_of_compilation): Move SSA path to just after the first
10016 * doc/gcc.texi (Passes): Update due to movement of SSA path.
10017 * doc/invoke.texi: Update dump file #s as they were completely
10018 out of date with reality.
10020 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
10022 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
10024 * expr.c (emit_move_insn_1): Deal with non-default
10027 * expr.c (emit_single_push_insn): Fix warning.
10029 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
10031 * expr.c (emit_move_insn_1): Avoid modifying
10032 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
10034 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10036 * emit-rtl.c (adjust_address): New function.
10037 * expr.h (adjust_address): Add declaration.
10038 * builtins.c: Replace some calls to change_address with calls to it
10039 or to validize_mem.
10040 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
10041 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
10042 * config/arm/arm.c, config/convex/convex.c: Likewise.
10043 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
10044 * config/i386/i386.c, config/i386/i386.md: Likewise.
10045 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
10046 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
10047 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
10048 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
10049 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
10051 2001-07-02 Jim Wilson <wilson@redhat.com>
10053 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
10055 2001-07-02 Steve Ellcey <sje@cup.hp.com>
10057 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
10058 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
10060 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10062 * cppinit.c (lang_defaults): New table.
10063 (set_lang): Just read from lang_defaults into the live options
10066 2001-07-02 Zack Weinberg <zackw@stanford.edu>
10068 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
10069 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
10070 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
10072 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10074 * doc/install.texi: Various spelling and markup fixes.
10075 (Installing GCC): Component specific installation instructions are
10078 Warn about removing old install dir in the presence of shared libs.
10079 (Configuration): Invoke with options target to match configure
10081 Consistently refer to gas, gld pathnames.
10082 Invert --enable-multilib documentation.
10083 Remove references to old compiler versions.
10085 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10087 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
10089 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10091 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
10093 (Specific, mips*-sgi-irix5): Note IDO download.
10094 Reworded MIPS C hints.
10095 Use GNU as instead of GAS.
10097 Removed SGI Freeware reference, IRIX 6 only.
10098 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
10099 Note N64 library requirement/workaround.
10101 Complete list of structure passing bug victims.
10103 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10105 * doc/install.texi: Remove CVS Id.
10107 2001-07-02 Andreas Jaeger <aj@suse.de>
10109 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
10110 (find_inherently_necessary): Remove unused variable.
10112 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
10114 * c-common.h (TDI_inlined): New ast dump phase.
10115 (dump_flag_name): New function.
10116 * c-dump.c (dump_files): Add inlined phase.
10117 (dump_flag_name): Define.
10118 * doc/invoke.texi (-fdump-ast-inlined): Document.
10120 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10122 * stor-layout.c (layout_decl): Revert change to handling of alignment
10125 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10127 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
10130 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
10132 * doc/tm.texi (FUNCTION_ARG): Document that the last call
10135 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
10137 * tlink.c (recompile_files): Remove COMPILER_PATH and
10138 LIBRARY_PATH from the environment.
10140 2001-07-01 Zack Weinberg <zackw@stanford.edu>
10142 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
10143 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
10145 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
10147 * c-parse.in (OBJC_STRING): Kill.
10148 (objc_string): Decompose to [objc_string] '@' STRING.
10149 (reswords): Take the leading '@' off all the Objective C keywords.
10150 (objc_rid_sans_at): Kill.
10151 (init_reswords): Don't initialize it.
10152 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
10153 (_yylex): Kill reconsider label. Look ahead one token after
10154 an '@'; if we get an identifier, check whether it's an
10155 Objective C @-keyword. If so, return the keyword. Otherwise,
10156 put back the token and return the '@' as a terminal.
10158 * cpplib.c (lex_macro_node): Remove unnecessary check for
10159 leading '@' on identifier. Clarify control flow and commentary.
10161 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10163 * cse.c (new_label_ref): Variable deleted.
10164 (insert): Remove set of new_label_ref.
10165 (check_for_label_ref): New function.
10166 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
10168 See ChangeLog.5 for earlier changes.