1 2001-10-07 Dale Johannesen <dalej@apple.com>
3 * reload1.c (reload_reg_free_p): Teach register interference
4 checking that multiple output reloads are emitted in
6 reload1.c (reload_reg_reaches_end_p): Ditto.
7 reload1.c (reloads_conflict): Ditto.
9 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
11 * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
12 NULL_TREE inside @code.
14 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
16 * doc/gcc.texi: Document consistent style of "32-bit",
17 "Objective-C", and "@code{NULL}".
19 2001-10-06 Zack Weinberg <zack@codesourcery.com>
21 * cpplex.c (enum spell_type): Add SPELL_NUMBER.
22 (cpp_token_len, cpp_spell_token, cpp_output_token,
23 _cpp_equiv_tokens): Handle it.
24 * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
25 CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
26 * cppexp.c (_cpp_parse_expr): Use the correct operator code in
29 Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
31 * gcc.c (default_compilers): Remove .ada.
33 2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
35 * doc/cppinternals.texi: Update.
37 2001-10-06 Zack Weinberg <zack@codesourcery.com>
39 * gcc.c (main): Set this_file_error if the appropriate
40 compiler for a language has not been installed.
42 2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
44 * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
46 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
48 * gccbug.in (CATEGORIES): Add ada.
50 2001-10-05 Catherine Moore <clm@redhat.com>
52 * config/stormy16/stormy-abi: Document abi changes.
53 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
54 (ICALL_REGS): New register class.
55 (NUM_ARGUMENT_REGISTERS): Now 6.
56 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
58 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
59 * config/stormy16.md (call_internal, call_value_internal,
60 indirect_jump): Use new 'z' constraint.
62 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
64 * doc/cppinternals.texi: Update.
66 2001-10-05 Richard Henderson <rth@redhat.com>
68 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
69 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
70 the gas section-name-as-label feature.
72 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
74 * doc/cppinternals.texi: Update.
76 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
78 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
79 to ensure valid SImode constants.
81 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
83 * Makefile.in (c-decl.o): Depend on tree-inline.h.
84 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
85 * c-decl.c: Include tree-inline.h.
86 (c_expand_body): Call optimize_inline_calls. Determine whether
87 a function is inlinable upfront, and only clear
88 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
89 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
90 (c_disregard_inline_limits): New function.
91 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
92 (c_post_options): Enable tree inlining if inlining is enabled.
93 Don't inline trees when instrumenting functions.
94 (c_init): Initialize lang_disregard_inline_limits and
95 lang_cannot_inline_tree_fn.
96 * tree-inline.c (initialize_inlined_parameters): Handle calls
97 with fewer arguments than declared parameters, and fewer
98 parameters than passed arguments. Don't assume value is a
100 (declare_return_variable): Convert return value back to the
101 original type, if it was promoted.
102 (tree_inlinable_function_p): New function.
103 (inlinable_function_p): Don't look at DECL_INLINE if we're
104 inlining all functions. Make it work with a NULL id.
105 Re-check DECL_UNINLINABLE after language-specific checks.
106 * tree-inline.h (tree_inlinable_function_p): Declare it.
107 * integrate.c (save_for_inline): Don't bother to prepare argvec
109 * cse.c (check_for_label_ref): Don't check deleted labels.
111 * Makefile.in (tree-inline.o): Depend on newly-included headers.
112 * tree-inline.c: Include headers needed for the functions moved in.
113 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
114 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
115 (copy_body, initialize_inlined_parameters): Likewise.
116 (declare_return_variable, inlinable_function_p): Likewise.
117 (expand_call_inline, expand_calls_inline): Likewise.
118 (optimize_inline_calls, clone_body): Likewise.
119 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
120 (copy_tree_r, remap_save_expr): Likewise.
122 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
124 * Makefile.in (OBJS): Added tree-inline.o.
125 (c-common.o): Depend on tree-inline.h.
126 (tree-inline.o): New target.
127 * c-common.c: Include tree-inline.h.
128 (c_mark_lang_decl): Don't mark saved_tree.
129 (c_common_lang_init): Set lang_anon_aggr_type_p.
130 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
131 (struct c_lang_decl): Moved saved_tree to tree_decl.
132 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
133 * integrate.h (function_attribute_inlinable_p): Declare it.
134 * integrate.c (function_attribute_inlinable_p): Export it.
135 * tree-inline.c: New file. Define variables declared in...
136 * tree-inline.h: New file. Declare functions to be moved to
137 tree-inline.c. Define macros and declare types and hooks for
138 language-specific tree inlining.
139 (flag_inline_trees): Moved definition from cp/decl2.c.
140 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
141 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
142 (struct tree_decl): Moved saved_tree from c_lang_decl and
143 inlined_fns from C++'s lang_decl.
145 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
147 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
148 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
150 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
152 * doc/cppinternals.texi: Update.
154 2001-10-04 Eric Christopher <echristo@redhat.com>
156 * config/mips/mips.c (init_cumulative_args): Remember to set
158 * config.gcc: Redo linux configuration. Add target_cpu_default
159 of soft-float to all mipsisa32 combinations and tx39.
160 * config/mips/linux.h: Remove include of mips.h.
162 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
164 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
165 HOST_LDFLAGS and HOST_CPPFLAGS.
167 2001-10-03 Ziemowit Laski <zlaski@apple.com>
169 * c-parse.in (objc_inherit_code, objc_pq_context,
170 objc_public_flag): Make static.
171 (objc_interface_context, objc_implementation_context,
172 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
173 global tree array in objc/objc-act.[ch].
174 (methoddef): Remove unnecessary code.
176 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
177 Hoist struct definitions to objc-act.h.
178 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
179 cat_count): Place declaration in objc-act.h.
180 (objc_tree_index): Move enumeration to objc-act.h.
181 (objc_global_trees): Place declaration and macro accessors in
183 (implementation_context): Remove duplicate; use
184 objc_implementation_context instead:
185 (method_context): Remove duplicate; use objc_method_context
187 (objc_ellipsis_node, objc_method_prototype_template,
188 implemented_classes, function_type): Move global vars to
190 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
191 (build_message_expr): Move actual construction of ObjC message
192 send nodes to finish_message_expr.
193 (finish_message_expr): New routine, contains code formerly in
195 * objc/objc-act.h (finish_message_expr): New prototype.
196 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
197 declarations; these vars are now part of objc_global_trees.
198 (objc_tree_index, objc_global_trees): Move definitions from
200 * objc/objc-tree.def: Update copyright info.
202 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
204 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
206 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
207 only if TARGET_ARCH64.
209 2001-10-02 Bernd Schmidt <bernds@redhat.com>
211 * doc/extend.texi: Fix some problems with previous checkin.
212 * doc/invoke.texi: Likewise.
214 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
216 * cpphash.h: Update comments.
217 (cpp_context): Update.
218 (spec_nodes): Remove n__Pragma.
219 * cppinit.c (cpp_create_reader): Update.
220 (builtin_array): Add _Pragma.
221 * cpplib.h: Update comments.
222 (NODE_DISABLED, BT_PRAGMA): New.
223 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
224 * cppmacro.c (struct cpp_macro): Remove disabled.
225 (builtin_macro): Return int, handle _Pragma, push the new token
226 on the context stack.
227 (funlike_invocation_p): Unconstify, update.
228 (enter_macro_context): Handle builtins here.
229 (replace_args, push_token_context, push_ptoken_context):
230 Update for prototype changes.
231 (_cpp_pop_context): Update.
232 (cpp_get_token): Don't handle buitins, nor _Pragma here.
233 (cpp_sys_macro_p): Update.
234 (_cpp_free_definition): Clear disabled flag.
235 (_cpp_create_definition): Upate.
236 * cppmain.c: Update comments.
238 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
239 Andreas Jaeger <aj@suse.de>,
240 Jan Hubicka <jh@suse.cz>
242 * doc/invoke.texi (i386 Options): Document x86-64 options.
243 (i386 and x86-64 Options): Rename i386 options section.
245 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
246 (TARGET_SWITCHES): Add -munwind-info.
247 (MASK_NO_UNWIND_INFO): New.
248 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
250 (ASM_OUTPUT_DOUBLE_INT): New.
252 * config/i386/linux64.h: New spec file for Linux x86-64 support.
253 * config.gcc: Fix tm_file settings for x86-64.
254 * config/i386/x86-64.h: New file with OS independent x86-64
256 * config/i386/biarch64.h: New file used to configure compiler
257 to biarch/64bit compilation.
259 * config/i386/i386.c: (override_options): Set flags default
260 for 64bit compilation.
262 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
264 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
265 (ix86_expand_int_movcc): Optimize DImode conditional moves with
267 (ix86_attr_length_immediate_default): Support MODE_DI.
268 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
270 (indirect_jump, tablejump): Turn into expander.
272 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
274 * c-common.c (c_format_attribute_table): Make format and
275 format_arg attributes apply to function types rather than to
277 (is_valid_printf_arglist): Construct an attribute list and pass
278 that to check_function_format rather than a name.
279 * c-common.h (check_function_format): Adjust prototype.
280 * c-decl.c (duplicate_decls): Preserve attributes from type of
281 built-in decl when allowing for harmless conflict in types.
282 * c-format.c (record_function_format,
283 record_international_format, function_format_list,
284 international_format_info, international_format_list): Remove.
285 (function_format_info): Remove next, name and assembler_name.
286 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
287 (decode_format_attr): New.
288 (handle_format_attribute): Handle receiving a type rather than a
289 decl. Call decode_format_attr. Store format information in a
290 function_format_info.
291 (handle_format_arg_attribute): Correct comment. Handle receiving
292 a type rather than a decl. Use unsigned HOST_WIDE_INT for
294 (check_format_info_recurse, check_format_info_main): Take argument
295 numbers as unsigned HOST_WIDE_INT.
296 (check_function_format): Take a list of attributes from the
297 function type rather than a name or assembler name. Check for
298 format attributes in that list and the attributes on the type of
299 the current function rather than looking through
300 function_format_list.
301 (check_format_info): Use unsigned HOST_WIDE_INT for argument
303 (check_format_info_recurse): Take format_arg attributes from the
304 type of the function calls rather than using
305 international_format_list. Allow for multiple format_arg
307 * c-typeck.c (build_function_call): Pass type attributes to
308 check_function_format rather than name or assembler name. Don't
309 require there to be a name or assembler name to check formats.
311 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
313 * attribs.c (decl_attributes): Possibly call
314 insert_default_attributes to insert default attributes on
315 functions in a lazy manner.
316 * builtin-attrs.def: New file; define the default format and
317 format_arg attributes.
318 * c-common.c (c_format_attribute_table): Move to earlier in the
320 (c_common_nodes_and_builtins): Initialize format_attribute_table.
321 (enum built_in_attribute, built_in_attributes,
322 c_attrs_initialized, c_init_attributes,
323 c_common_insert_default_attributes): New.
324 (c_common_lang_init): Don't initialize format_attribute_table. Do
325 call c_init_attributes.
326 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
327 * c-common.h (init_function_format_info): Don't declare.
328 (c_common_insert_default_attributes): Declare.
329 * c-decl.c (implicitly_declare, builtin_function): Call
331 (init_decl_processing): Don't call init_function_format_info.
332 (insert_default_attributes): New.
333 * c-format.c (handle_format_attribute,
334 handle_format_arg_attribute): Be quiet about inappropriate
335 declaration when applying default attributes.
336 (init_function_format_info): Remove.
337 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
338 (insert_default_attributes): Declare.
340 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
342 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
344 2001-10-01 Jim Wilson <wilson@redhat.com>
346 * sched-deps.c (add_dependence): When elide conditional dependence,
347 check that insn doesn't modify cond2.
349 2001-10-01 Dale Johannesen <dalej@apple.com>
351 * config/rs6000/rs6000.h (enum processor_type): Add support
352 for 7400 (G4) and 7450.
354 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
355 (rs6000_issue_rate): Ditto.
356 (rs6000_adjust_cost): Fix cycle counts for compares.
357 (debug_stack_info): Fix an obvious typo.
358 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
359 * doc/invoke.texi: Document.
360 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
362 (PROCESSOR_DEFAULT): Ditto.
364 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
366 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
367 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
368 later recursive make invocation.
370 2001-10-01 Hans Boehm <boehm@acm.org>
372 * optabs.c (emit_libcall_block): When using non-call exceptions,
373 don't add REG_LIBCALL reg notes to trapping calls.
375 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
377 * flow.c (propagate_block_delete_libcall): Remove unused first arg
378 (propagate_one_insn): Update for above change
380 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
382 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
383 _Unwind_GetTextRelBase): Argument is unused.
385 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
387 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
388 Loop through NOPs, placeholders, and components.
389 Don't go through NOPs if change mode.
390 (record_alias_subset): Do nothing if SUBSET and SET are the same.
391 * emit-rtl.c (set_mem_alias_set): Enable check.
392 * expr.c (find_placeholder): New function.
393 (expand_expr, case PLACEHOLDER_EXPR): Use it.
394 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
395 to modify it and avoid unneeded copies.
396 * expr.h (expand_expr): Always define.
397 (find_placeholder): New declaration.
399 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
401 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
402 operand 2 is the stack pointer.
403 ("addr-peephole"): Fix address computation peephole when operand 2
404 is the stack pointer.
406 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
408 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
409 (ix86_setup_incoming_varargs): Likewise.
411 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
413 * stor-layout.c (layout_type): Don't complain about too-large
416 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
418 * function.c (keep_stack_depressed): Don't use delete_insn.
420 * expr.h (set_mem_alias_set): Move decl to here.
421 * rtl.h (mem_attrs): New typedef and struct.
422 (union rtunion_def): Add field for mem_attrs.
423 (X0MEMATTR, MEM_ATTRS): New macros.
424 (MEM_ALIAS_SET): Use MEM_ATTRS.
425 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
426 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
427 (set_mem_alias_set): Delete decl from here.
429 * alias.c (set_mem_alias_set): Delete from here.
430 * emit-rtl.c (mem_attrs_htab): New variable.
431 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
432 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
433 (mem_attrs_mark, get_mem_attrs): Likewise.
434 (gen_rtx_MEM): Clear MEM_ATTRS.
435 (set_mem_attributes): Move to here.
436 (set_mem_alias_set): Likewise, and call get_mem_attrs.
437 (init_emit_once): const_int_htab now deletable htab.
438 Initialize mem_attrs_htab.
439 * explow.c (set_mem_attributes): Delete from here.
440 * function.c (put_var_into_stack): Clear MEM_ATTRS.
441 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
442 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
443 * reload1.c (reload): Rework changing REG to MEM.
445 2001-09-30 H.J. Lu <hjl@gnu.org>
447 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
448 * config.in: Rebuild.
450 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
452 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
453 ("tsthi_1"): Avoid allocation in register y.
454 ("*movqi_68hc12"): Reorganize and fix constraints.
455 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
456 ("addqi3"): Likewise.
457 ("addhi3"): Fix constraints.
458 ("*logicalhi3_zexthi"): Disparage soft registers.
460 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
462 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
465 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
467 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
468 that we use setjmp/longjmp exceptions.
470 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
472 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
473 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
474 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
475 _cpp_pool_alloc, _cpp_next_chunk): Remove.
476 (_cpp_extend_buff, BUFF_ROOM): Update.
477 (_cpp_append_extend_buff): New.
478 (struct cpp_reader): Remove macro_pool, add a_buff.
479 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
481 (cpp_destroy): Free a_buff instead of macro_pool.
482 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
483 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
484 _cpp_pool_alloc, ): Remove.
485 (parse_number, parse_string): Update use of _cpp_extend_buff.
486 (_cpp_extend_buff): Update.
487 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
488 * cpplib.c (glue_header_name, parse_answer):
489 Update use of _cpp_extend_buff.
490 (cpp_register_pragma, cpp_register_pragma_space): Use
492 (do_assert, do_unassert): Check for EOL, update.
493 * cppmacro.c (stringify_arg, collect_args): Update to use
494 _cpp_extend_buff and _cpp_append_extend_buff.
495 (save_parameter, parse_params, alloc_expansion_token,
496 _cpp_create_definition): Rework memory management.
498 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
500 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
501 update md_exec_prefix.
502 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
505 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
507 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
508 (SELECT_CC_MODE): Use s390_select_ccmode.
509 * config/s390/s390-protos.h (s390_select_ccmode): Add.
510 * config/s390/s390.c (s390_select_ccmode): New.
511 (s390_match_ccmode): Add CCLmode.
512 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
513 (output_branch_condition, output_inverse_branch_condition): Removed.
514 (print_operand): Use s390_branch_condition_mnemonic.
515 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
516 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
517 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
519 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
520 when converting conditional branches to far branches.
521 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
522 cmpint_di): Use CCSmode instead of CCUmode.
524 * config/s390/s390.c (legitimate_la_operand_p): New.
525 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
526 * config/s390/s390.md (movsi): Convert load address patterns to
527 arithmetic operations when necessary.
528 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
529 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
530 (*do_la_reg_0): Don't use before reload.
532 * config/s390/s390.c (legitimize_address): Make more efficient
533 use of two-register addressing mode.
535 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
536 with -mno-backchain in some corner cases.
538 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
540 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
542 * reload.c (find_reloads): Mark new USE insns with QImode.
543 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
544 find_reloads_subreg_address): Likewise.
545 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
547 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
549 (reload): Make sure there are no USEs with mode other than
550 VOIDmode. At the end, remove those marked with QImode.
552 2001-09-29 Per Bothner <per@bothner.com>
554 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
555 * Makefile.in (includedir): Rename to local_includedir.
556 (includedir): Define as $(prefix)/include.
557 * config.in (PREFIX_INCLUDE_DIR): New variable.
558 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
560 2001-09-29 Bernd Schmidt <bernds@redhat.com>
562 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
564 * doc/extend.texi (Vector Extensions): New node.
565 * doc/invoke.texi (Machine Dependent Options): Add documentation for
566 i386 -mmmx, -msse, -m3dnow.
568 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
570 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
572 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
574 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
576 * doc/invoke.texi (Optimize Options): Delete spurious @table.
578 2001-09-28 Richard Henderson <rth@redhat.com>
580 * varasm.c (assemble_integer): Bound alignment check by
583 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
585 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
587 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
589 2001-09-25 Bernd Schmidt <bernds@redhat.com>
591 Mostly from Graham Stott <grahams@redhat.com>
592 * c-common.c (type_for_mode): Add support for V2SFmode.
593 * tree.c (build_common_tree_nodes_2): Likewise.
594 * tree.h (enum tree_index, global_trees): Likewise.
595 * config/i386/i386.c (x86_3dnow_a): New variable.
596 (override_options): Support 3Dnow extensions.
597 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
598 Athlon's version of 3Dnow.
599 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
600 (ix86_expand_builtin): Handle them.
601 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
602 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
603 TARGET_3DNOW_A): New macros.
604 (TARGET_SWITCHES): Add 3Dnow switches.
605 (VALID_MMX_REG_MODE_3DNOW): New macro.
606 (VECTOR_MODE_SUPPORTED_P): Use it.
607 (enum ix86_builtins): Add entries for 3Dnow builtins.
608 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
609 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
610 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
611 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
612 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
613 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
614 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
615 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
616 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
617 sfence_insn, prefetch): Make these available if TARGET_SSE or
620 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
622 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
623 ix86_va_start, ix86_build_va_list): Declare.
624 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
625 ix86_va_start, ix86_build_va_list): New global functions.
626 * i386.md (sse_prologue_save_insn): New insn.
627 (sse_prologue_save): New expander.
628 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
629 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
631 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
633 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
634 Use size_t everywhere, make definitions consistent with
637 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
639 * gcse.c (replace_store_insn): Use delete_insn.
640 * loop.c (move_movables): Likewise; avoid delete_insn
641 from clobbering notes moved elsewhere.
642 (check_dbra_loop): Use delete_insn.
643 * ssa.c (convert_from_ssa): Likewise.
644 * cse.c (cse_insn): Use delete_insn.
646 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
648 * cpphash.h (struct cpp_buff): Make unsigned.
649 (_cpp_get_buff): Take length of size_t.
650 (_cpp_unaligned_alloc): New.
651 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
652 (struct cpp_reader): Remove ident_pool. Add u_buff.
653 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
654 (cpp_destroy): Destroy u_buff, not ident_pool.
655 * cpplex.c (parse_number, parse_string, save_comment,
656 cpp_token_as_text): Update to use the unaligned buffer.
657 (new_buff): Make unsigned.
658 (_cpp_unaligned_alloc): New.
659 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
660 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
662 (collect_args): Make unsigned.
664 2001-09-27 Zack Weinberg <zack@codesourcery.com>
666 * cpplex.c (cpp_output_token): Use a putc loop for
667 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
669 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
670 * configure, config.in: Regenerate.
671 * system.h: Replace fwrite and fprintf with their unlocked
672 variants if available.
674 2001-09-27 Richard Henderson <rth@redhat.com>
676 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
677 in favour of .eh_frame.
679 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
681 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
683 (LIBCALL_VALUE): Likewise.
685 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
687 * cpphash.h: Update comment.
688 * cpplex.c: Update comments.
689 (_cpp_can_paste): Remove.
690 * cpplib.h (_cpp_can_paste): Remove.
691 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
692 lexer rather than _cpp_can_paste.
694 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
696 * doc/cppinternals.texi: Update.
698 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
700 * cpphash.h (struct cpp_pool): Remove locks and locked.
701 (struct cpp_context): Add member buff.
702 (struct cpp_reader): Remove member argument_pool.
703 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
704 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
705 * cpplex.c (chunk_suitable): Remove pool argument.
706 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
707 (new_buff, _cpp_extend_buff): Update.
708 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
709 which buffer is returned.
710 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
711 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
712 * cppmacro.c (lock_pools, unlock_pools): Remove.
713 (push_ptoken_context): Take a _cpp_buff.
714 (enter_macro_context): Pool locking removed.
715 (replace_args): Use a _cpp_buff for the replacement list with
717 (push_token_context): Clear buff.
718 (expand_arg): Use _cpp_pop_context.
719 (_cpp_pop_context): Free a context's buffer, if any.
721 2001-09-26 DJ Delorie <dj@redhat.com>
723 * c-typeck.c (digest_init): Check for sizeless arrays.
725 2001-09-26 Richard Henderson <rth@redhat.com>
727 * optabs.c (init_one_libfunc): Create a dummy function type
728 instead of using error_mark_node.
730 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
732 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
733 _cpp_extend_buff, _cpp_free_buff): New.
734 (struct cpp_reader): New member free_buffs.
735 * cppinit.c (cpp_destroy): Free buffers.
736 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
737 _cpp_extend_buff, _cpp_free_buff): New.
738 * cpplib.h (struct cpp_options): Remove unused member.
739 * cppmacro.c (collect_args): New. Combines the old parse_arg
740 and parse_args. Use _cpp_buff for memory allocation.
741 (funlike_invocation_p, replace_args): Update.
743 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
745 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
747 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
749 * except.c (sjlj_mark_call_sites): Change address inside sequence.
751 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
753 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
756 2001-09-25 Janis Johnson <janis187@us.ibm.com>
757 Jim Wilson <wilson@redhat.com>
759 * doc/install.texi (Specific, ia64-*-linux): Document.
761 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
763 * Makefile.in (cfgrtl.o): Add.
764 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
765 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
766 free_aux_for_edge): Declare.
768 (HAVE_return): Undefine.
769 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
770 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
771 free_aux_for_edge): New global functions.
772 (first_delete_block): New static variable.
773 (init_flow): Clear first_delete_block.
774 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
775 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
776 try_redirect_by_replacing_jump, last_loop_beg_note,
777 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
778 delete_insn, delete_insn_chain, create_basic_block_structure,
779 create_basic_block, flow_delete_block, compute_bb_for_insn,
780 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
781 set_block_for_new_insns, split_block, merge_blocks_nomove,
782 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
783 redirect_edge_and_branch, force_nonfallthru_and_redirect,
784 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
785 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
786 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
787 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
788 purge_all_dead_edges): Move to ....
789 * cfgrtl.c: New file; .... Here.
791 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
792 (reroder_basic_block): Use alloc_aux_for_blocks.
793 * predict.c (estimate_bb_frequencies): Likewise; use
795 * profile.c (compute_branch_probabilities): Likewise.
796 (branch_prob): Likewise.
797 * reg-stack.c (reg_to_stack): Likewise.
799 * emit-rtl.c (emit_insns_after): Never return NULL.
801 * basic-block.h (set_block_for_new_insns): Delete.
802 * cfgrtl.c (set_block_for_new_insns): Delete.
804 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
805 calls when crossjumping.
807 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
808 * unroll.c (copy_loop_body): Use delete_insn.
810 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
811 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
812 keep_stack_depressed): Likewise.
813 * gcse.c (cprop_cc0_jump): Likewise.
814 * local-alloc.c (update_equiv_regs): Likewise.
815 * loop.c (scan_loop, loop_delete_insns): Likewise.
816 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
817 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
818 delete_output_reload, delete_address_reloads_1,
819 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
821 * sibcall.c (replace_call_placeholder): Likewise.
822 * cse.c (cse_insn): Likewise.
824 2001-09-25 Bernd Schmidt <bernds@redhat.com>
826 From Graham Stott <grahams@redhat.com>
827 (def_builtin): Only define builtins appropriate for target_flags. All
829 (builtin_decsription): Add new field mask which is used to determine
830 when to define the builtin via the macro def_builtin.
832 (bdesc_comi): Initialise new mask fields.
833 (bdesc_2srg): Likewise.
834 (bdesc_1arg): Likewise.
836 * config/i386/i386.c (ix86_init_builtins): Correct return type
837 building v4hi_ftype_v4hi_int_int tree node.
838 (ix86_expand_sse_comi): Fix typo swapping operands.
839 Don't swap comparision condition, it is already swapped.
840 (ix86_expand_sse_compare): Before swapping operands
841 move operand 1 into new rtx and not the target rtx.
842 Don't swap comparison condition, it is already swapped.
843 Always check whether we need to create a new TARGET.
845 * config/i386/i386.md: (sse_comi) Fix typos.
846 (sse_ucomi): Likewise.
847 (cvtss2si): Fix operand 0 contraint.
848 (cvttss2si): Likewise.
849 (sse_unpckhps): Fix mode for operand 2.
850 (sse_unpcklps): Likewise.
852 2001-09-25 Graham Stott <grahams@redhat.com>
854 * sibcall.c (skip_copy_to_return_value): Tighten return value
857 2001-09-24 David Edelsohn <edelsohn@gnu.org>
859 * rs6000.c (lwa_operand): Address must be word aligned.
861 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
863 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
865 (type_hash_mark): Mark type itself.
867 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
869 * c-lex.c (cb_def_pragma): Update.
870 (c_lex): Update, and skip padding.
871 * cppexp.c (lex, parse_defined): Update, remove unused variable.
872 * cpphash.h (struct toklist): Delete.
874 (struct cpp_context): Update.
875 (struct cpp_reader): New members eof, avoid_paste.
876 (_cpp_temp_token): New.
877 * cppinit.c (cpp_create_reader): Update.
878 * cpplex.c (_cpp_temp_token): New.
879 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
880 (cpp_output_token): Don't print leading whitespace.
881 (cpp_output_line): Update.
882 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
883 do_include_common, do_line, do_ident, do_pragma,
884 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
885 parse_assertion): Update.
886 (get_token_no_padding): New.
887 * cpplib.h (CPP_PADDING): New.
888 (AVOID_LPASTE): Delete.
889 (struct cpp_token): New union member source.
890 (cpp_get_token): Update.
891 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
892 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
893 replace_args, quote_string, stringify_arg, parse_arg, next_context,
894 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
895 _cpp_backup_tokens, _cpp_create_definition): Update.
896 (push_arg_context): Delete.
897 (padding_token, push_token_context, push_ptoken_context): New.
898 (make_string_token, make_number_token): Update, rename.
899 (cpp_get_token): Update to handle tokens as pointers to const,
900 and insert padding appropriately.
901 * cppmain.c (struct printer): New member prev.
902 (check_multiline_token): Constify.
903 (do_preprocessing, cb_line_change): Update.
904 (scan_translation_unit): Update to handle spacing.
905 * scan-decls.c (get_a_token): New.
906 (skip_to_closing_brace, scan_decls): Update.
907 * fix-header.c (read_scan_file): Update.
909 * doc/cpp.texi: Update.
911 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
913 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
914 leak by passing malloc'ed pointer to reconcat, not concat.
916 2001-09-24 DJ Delorie <dj@redhat.com>
918 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
920 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
922 * flow.c (delete_dead_jumptables): Delete jumptable if the only
923 reference is from the literal pool.
925 2001-09-24 Janis Johnson <janis187@us.ibm.com>
927 * doc/install.texi (Final install): Request additional information
928 in mail about successful builds.
930 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
932 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
933 initial value of return pointer register instead of value in frame-20.
936 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
938 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
939 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
940 the libcall if there isn't a referenced identifier for the symbol.
942 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
944 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
945 non 64-bit machines. Use these as a plabel for the trampoline.
946 (TRAMPOLINE_SIZE): Adjust size for new words.
947 (INITIALIZE_TRAMPOLINE): Initialize new words.
948 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
949 pointer to the plabel in the trampoline.
951 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
953 * pa.c (function_arg): Pass floating arguments in both general and
954 floating registers in indirect (dynamic) calls when generating code
955 for the 32 bit ABI and the HP assembler.
957 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
959 * doc/install.texi: Markup fixes.
960 Use Solaris 2, SunOS 4 as appropriate.
961 (Specific, *-*-solaris2*): Explain this.
962 Unconditionally warn against /usr/ucb tools.
963 Remove Sun as warning, obsolete.
964 Move X11 header bug workaround here, update patches.
965 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
966 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
968 2001-09-23 Zack Weinberg <zack@codesourcery.com>
970 * errors.h (warning, error, fatal, internal_error): Don't mark
971 with ATTRIBUTE_PRINTF_n.
972 * toplev.h (internal_error, fatal_io_error, warning, error,
973 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
974 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
977 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
979 * function.c (pop_function_context_from): var_refs_queue
980 and temp slots now in GC memory.
981 (mark_function_status, free_after_compilation): Likewise;
982 also struct function now in GC memory.
983 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
984 (combine_temp_slots): Likewise.
985 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
986 (prepare_function_start): Use GC memory for struct function.
987 (mark_temp_slot): Deleted.
988 (gcc_mark_struct_function): struct function now in GC memory.
990 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
991 code for division, not modulus.
993 * rtl.def (MEM): Remove obsolete part of comment.
995 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
997 * c-format.c (init_function_format_info): Check __builtin_printf
998 and __builtin_fprintf even if -ffreestanding. Check C99 functions
1001 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1003 * c-common.c (format_attribute_table): Remove decl.
1004 * tree.h (format_attribute_table, lang_attribute_table): New decls.
1005 (lang_attribute_common): Likewise.
1007 * function.c (fix_lexical_address): Use set_mem_alias_set.
1008 (expand_function_start): Likewise.
1009 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
1011 * varasm.c (output_constant): Fix unused variable warning.
1013 * attribs.c: New file, from c-common.c.
1014 (attribute_tables): Now four elements.
1015 (format_attribute_table, lang_attribute_common): New variables.
1016 (init_attributes): Reflect above changes.
1017 (handle_mode_attribute): Delete check for wider than uintmax.
1018 * c-common.c: Delete parts moved to attribs.c.
1019 (enum attrs): Deleted; unused.
1020 (c_format_attribute_table): New variable.
1021 (c_common_lang_init): Initialize format_attribute_table with it.
1022 * c-common.h (decl_attributes): Remove decl.
1023 * tree.h (decl_attribute): Move it to here.
1024 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
1025 (attribs.o): New rule.
1027 2001-09-22 Andreas Jaeger <aj@suse.de>
1029 * builtins.c (c_getstr): Remove unused variable.
1031 2001-09-21 Richard Henderson <rth@redhat.com>
1033 * reload1.c (reload): Use delete_insn instead of splatting
1036 2001-09-21 Richard Henderson <rth@redhat.com>
1038 * reload.c (push_secondary_reload): Don't check for "=" in output
1039 constraint after ""->ALL_REGS check.
1041 2001-09-21 Richard Henderson <rth@redhat.com>
1043 * predict.c (expected_value_to_br_prob): Use pc_set.
1045 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
1046 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
1048 2001-09-21 Richard Henderson <rth@redhat.com>
1050 * rtl.h (LCT_RETURNS_TWICE): New.
1051 * calls.c (emit_call_1): Set current_function_calls_setjmp for
1053 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
1054 to ECF_RETURNS_TWICE.
1055 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
1058 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
1060 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
1061 (JMP_BUF_SIZE): New.
1063 2001-09-21 Richard Henderson <rth@redhat.com>
1065 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
1068 2001-09-21 Richard Henderson <rth@redhat.com>
1070 * tree.def (FDESC_EXPR): New.
1071 * expr.c (expand_expr): Handle it.
1072 * varasm.c (initializer_constant_valid_p): Likewise.
1073 (output_constant): Likewise.
1074 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1075 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
1076 (ASM_OUTPUT_FDESC): New.
1077 * doc/tm.texi: Document the new macros.
1079 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1081 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
1082 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
1083 once merging is complete.
1085 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1087 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
1089 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
1091 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
1092 that would be invalid after a merge.
1094 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
1096 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
1097 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
1099 (flow_delete_insn): This one.
1100 (delete_insn_chain): Rename from ...; do not care labels.
1101 (flow_delete_insn_chain): ... this one.
1102 (flow_delete_block): Remove the insns one BB has been expunged.
1103 (merge_blocks_nomove): Likewise.
1104 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
1105 updating BB boundaries.
1106 (tidy_fallthru_edge): Likewise.
1107 (commit_one_edge_insertion): Likewise.
1108 * cfgbuild.c (find_basic_block): Likewise.
1109 (find_basic_blocks_1): Likewise.
1110 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
1111 (try_crossjump_to_edge): Likewise.
1112 (try_optimize_cfg): Likewise.
1113 * cse.c (delete_trivially_dead_insns): Likewise.
1114 * df.c (df_insn_delete): Likewise.
1115 * doloop.c (doloop_modify): Use delete_related_insns.
1116 * emit-rtl.c (try_split): Likewise.
1117 (remove_insn): Update BB boundaries.
1118 * expect.c (connect_post_landing_pads): Use delete_related_insns.
1119 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
1120 updating BB boundaries.
1121 (propagate_block_delete_insn): Likewise.
1122 (propagate_block_delete_libcall): Likewise.
1123 * function.c (delete_handlers): Use delete_related_insns.
1124 (thread_prologue_and_epilogue_insns): Likewise.
1125 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
1126 * genpeep.c (gen_peephole): Use delete_related_insns.
1127 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
1129 (find_cond_trap): Likewise.
1130 * integrate.c (save_for_inline): Use delete_related_insns.
1131 (copy_insn_list): Likewise.
1132 * jump.c (pruge_linie_number_notes): Likewise.
1133 (duplicate_loop_exit_test): Likewise.
1134 (delete_computation): Likewise.
1135 (delete_related_insn): Rename from ...; use delete_insn
1136 (delete_insn): ... this one.
1137 (redirect_jump): Use delete_related_insns.
1138 * loop.c (scan_loop): Likewise.
1139 (move_movables): Likewise.
1140 (find_and_verify_loops): Likewise.
1141 (check_dbra_loop): Likewise.
1142 * recog.c (peephole2_optimize): Likewise.
1143 * reg-stack.c (delete_insn_for_stacker): Remove.
1144 (move_for_stack_reg): Use delete_insn.
1145 * regmove.c (combine_stack_adjustments_for_block): Likewise.
1146 * reload1.c (delete_address_reloads): Use delete_related_insns.
1147 (fixup_abnormal_edges): Use delete_insn.
1148 * recog.c (emit_delay_sequence): Use delete_related_insns.
1149 (delete_from-delay_slot): Likewise.
1150 (delete_scheduled_jump): likewise.
1151 (optimize_skip): Likewise.
1152 (try_merge_delay_insns): Likewise.
1153 (full_simple_delay_slots): Likewise.
1154 (fill_slots_from_thread): Likewise.
1155 (relax_delay_slots): Likewise.
1156 (make_return_insns): Likewise.
1157 (dbr_schedule): Likewise.
1158 * rtl.h (delete_insn): Rename to delete_related_insns.
1159 (delete_insn, delete_insn_chain): New prototypes.
1160 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
1161 by df_insn_delete already.
1162 * ssa-dce.c (delete_insn_bb): Use delete_insn.
1163 * ssa.c (convert_from_ssa): Use delete_related_insns.
1164 * unroll.c (unroll_loop): Likewise.
1165 (calculate_giv_inc): Likewise.
1166 (copy_loop_body): Likewise.
1168 * i386-protos.h (ix86_libcall_value, ix86_function_value,
1169 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1170 ix86_return_in_memory, ix86_function_value): Declare.
1171 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
1172 new static valurables.
1173 (x86_64_reg_class): New enum
1174 (x86_64_reg_class_name): New array.
1175 (classify_argument, examine_argument, construct_container,
1176 merge_classes): New static functions.
1177 (optimization_options): Enable flag_omit_frame_pointer and disable
1178 flag_pcc_struct_return on 64bit.
1179 (ix86_libcall_value, ix86_function_value,
1180 ix86_function_arg_regno_p, ix86_function_arg_boundary,
1181 ix86_return_in_memory, ix86_function_value): New global functions.
1182 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
1183 (function_arg_advance): Handle x86_64 passing conventions.
1184 (function_arg): Likewise.
1185 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
1186 (RETURN_IN_MEMORY): Move offline.
1187 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
1188 (FUNCTION_VALUE_REGNO_P): New macro.
1189 (FUNCTION_ARG_REGNO_P): Move offline.
1190 (struct ix86_args): Add maybe_vaarg.
1191 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
1192 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
1194 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
1196 * s390.md: Changed attributes for scheduling.
1197 * s390.c: (s390_adjust_cost, s390_adjust_priority)
1200 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
1202 Table-driven attributes.
1203 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
1204 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
1205 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
1206 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
1207 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
1208 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
1209 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
1210 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
1211 * tree.h (struct tree_decl): Change machine_attributes to
1213 * doc/c-tree.texi: Document that all attributes are now attached
1215 * c-common.c (add_attribute, attrtab, attrtab_idx,
1216 default_valid_lang_attribute, valid_lang_attribute): Remove.
1217 (attribute_tables, attributes_initialized,
1218 c_common_attribute_table, default_lang_attribute_table): New
1220 (handle_packed_attribute, handle_nocommon_attribute,
1221 handle_common_attribute, handle_noreturn_attribute,
1222 handle_unused_attribute, handle_const_attribute,
1223 handle_transparent_union_attribute, handle_constructor_attribute,
1224 handle_destructor_attribute, handle_mode_attribute,
1225 handle_section_attribute, handle_aligned_attribute,
1226 handle_weak_attribute, handle_alias_attribute,
1227 handle_no_instrument_function_attribute,
1228 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
1229 handle_no_limit_stack_attribute, handle_pure_attribute): New
1231 (init_attributes, decl_attributes): Rewrite to implement
1232 table-driven attributes.
1233 * c-common.h (enum attribute_flags): Move to tree.h.
1234 * c-format.c (decl_handle_format_attribute,
1235 decl_handle_format_arg_attribute): Rename to
1236 handle_format_attribute and handle_format_arg_attribute. Update
1237 for table-driven attributes.
1238 * c-common.h (decl_handle_format_attribute,
1239 decl_handle_format_arg_attribute): Remove prototypes.
1240 (handle_format_attribute, handle_format_arg_attribute): Add
1242 * c-decl.c (grokdeclarator): Handle attributes nested inside
1244 * c-parse.in (setattrs, maybe_setattrs): Remove.
1245 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
1246 Update to handle nested attributes properly.
1247 (maybe_resetattrs, after_type_declarator,
1248 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
1249 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
1251 (make_pointer_declarator): Update to handle nested attributes
1253 * doc/extend.texi: Update documentation of limits of attributes
1254 syntax. Warn about problems with attribute semantics in C++.
1255 * target.h (struct target): Remove valid_decl_attribute and
1256 valid_type_attribute. Add attribute_table and
1257 function_attribute_inlinable_p.
1258 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
1259 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
1260 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
1262 (TARGET_INITIALIZER): Update.
1263 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
1265 (function_attribute_inlinable_p): New function. Check for the
1266 presence of any machine attributes before using
1267 targetm.function_attribute_inlinable_p.
1268 (function_cannot_inline_p): Update.
1269 * Makefile.in (integrate.o): Update dependencies.
1270 * doc/tm.texi: Update documentation of target attributes and
1271 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1272 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1274 (default_target_attribute_table,
1275 default_function_attribute_inlinable_p): New.
1276 (lookup_attribute): Update comment to clarify handling of multiple
1277 attributes with the same name.
1278 (merge_attributes, attribute_list_contained): Allow multiple
1279 attributes with the same name but different arguments to appear in
1280 the same attribute list.
1281 * tree.h (default_valid_attribute_p): Remove prototype.
1282 (struct attribute_spec): New.
1283 (default_target_attribute_table): Declare.
1284 (enum attribute_flags): Move from c-common.h. Add
1285 ATTR_FLAG_TYPE_IN_PLACE.
1286 (default_function_attribute_inlinable_p): Declare.
1287 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1288 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1289 (TARGET_ATTRIBUTE_TABLE): Define.
1290 (vms_attribute_table): New.
1291 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1292 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1293 (TARGET_ATTRIBUTE_TABLE): Define.
1294 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1295 * config/arm/arm.c (arm_valid_type_attribute_p,
1296 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1298 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1300 (TARGET_ATTRIBUTE_TABLE): Define.
1301 (arm_attribute_table, arm_handle_fndecl_attribute,
1302 arm_handle_isr_attribute): New.
1303 * config/avr/avr.c (avr_valid_type_attribute,
1304 avr_valid_decl_attribute): Remove.
1305 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1307 (TARGET_ATTRIBUTE_TABLE): Define.
1308 (avr_attribute_table, avr_handle_progmem_attribute,
1309 avr_handle_fndecl_attribute): New.
1310 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1311 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1312 (TARGET_ATTRIBUTE_TABLE): Define.
1313 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1314 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1315 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1316 (TARGET_ATTRIBUTE_TABLE): Define.
1317 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1318 h8300_handle_eightbit_data_attribute,
1319 h8300_handle_tiny_data_attribute): New.
1320 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1321 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1323 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1325 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1326 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1328 (TARGET_ATTRIBUTE_TABLE): Define.
1329 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1330 ix86_handle_regparm_attribute): New.
1331 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1332 i386_pe_valid_type_attribute_p): Remove.
1333 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1334 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1335 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1336 (TARGET_ATTRIBUTE_TABLE): Define.
1337 (ia64_attribute_table): New.
1338 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1339 interrupt_ident2, model_ident1, model_ident2): Remove.
1340 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1341 (TARGET_ATTRIBUTE_TABLE): Define.
1342 (init_idents): Update.
1343 (m32r_attribute_table, m32r_handle_model_attribute): New.
1344 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1346 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1347 (TARGET_ATTRIBUTE_TABLE): Define.
1348 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1349 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1350 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1351 (TARGET_ATTRIBUTE_TABLE): Define.
1352 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1353 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1354 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1355 (TARGET_ATTRIBUTE_TABLE): Define.
1356 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1357 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1358 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1359 (TARGET_ATTRIBUTE_TABLE): Define.
1360 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1361 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1362 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1363 (TARGET_ATTRIBUTE_TABLE): Define.
1364 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1365 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1367 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1369 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1370 (TARGET_ATTRIBUTE_TABLE): Define.
1371 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1373 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1374 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1375 (TARGET_ATTRIBUTE_TABLE): Define.
1376 (v850_attribute_table, v850_handle_interrupt_attribute,
1377 v850_handle_data_area_attribute): New.
1378 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1379 Return void. Call decl_attributes instead of
1380 valid_machine_attribute.
1382 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1384 * sh-protos.h (sh_pr_n_sets): Declare.
1385 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1386 look at the copy to determine if PR needs to be saved.
1387 sh_pr_n_sets: New function.
1388 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1389 (ALLOCATE_INITIAL_VALUE): Define.
1391 * sh.c (initial_elimination_offset):
1392 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1394 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1396 * integrate.c (allocate_initial_values): New function.
1397 * integrate.h (allocate_initial_values): Declare.
1398 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1400 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1402 * toplev.c (rest_of_compilation): To here.
1403 Call allocate_initial_values.
1404 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1406 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1408 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1410 2001-09-20 DJ Delorie <dj@redhat.com>
1412 * c-typeck.c (really_start_incremental_init): Discriminate
1413 between zero-length arrays and flexible arrays.
1414 (push_init_level): Detect zero-length arrays and handle them
1415 like fixed-sized arrays.
1416 * expr.c (store_constructor): Handle zero-length arrays and
1417 flexible arrays correctly.
1418 * doc/extend.texi: Update zero-length array notes.
1420 2001-09-20 Jim Wilson <wilson@redhat.com>
1422 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1423 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1424 for issue port conflicts.
1425 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1427 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1429 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1432 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1434 * fold-const.c (hashtab.h): Include.
1435 (int_const_binop): Remove FORSIZE arg and compute from type; all
1437 Call size_int_type_wide for all single-word constants.
1438 (size_htab_hash, size_htab_eq): New functions.
1439 (size_int_type_wide): Rework to use hash table.
1440 * ggc-common.c (hashtab.h): Include.
1441 (struct d_htab_root): New struct.
1442 (d_htab_roots): New variable.
1443 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1444 (ggc_mark_roots): Handle deletable htabs.
1445 * ggc-page.c (ggc_marked_p): New function.
1446 * ggc-simple.c (ggc_marked_p): Likewise.
1447 * ggc.h: Reformatting throughout.
1448 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1449 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1450 (type_hash_add): Allocate struct type_hash from GC memory.
1451 (mark_hash_entry, mark_type_hash): Deleted.
1452 (type_hash_marked_p, type_hash_mark): New functions.
1453 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1455 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1457 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1460 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1462 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1463 array-too-large test for signed sizetype.
1465 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1467 * i386.md (indirect_jump): Allow Pmode operand.
1468 (tablejump): LIkewise; perform expansion to 64bit mode.
1469 * i386.c (symbolic_operand): Allow 64bit PIC references.
1470 (pic_symbolic_operand): Likewise.
1471 (ix86_find_base_term): Strip the 64bit PIC references.
1472 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1473 (legitimize_pic_address): Likewise.
1474 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1475 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1477 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1479 * stringpool.c (get_identifier_with_length): New function.
1480 * tree.h (get_identifier_with_length): New prototype.
1482 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1483 David Edelsohn <edelsohn@gnu.org>
1486 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1487 already sign-extended.
1489 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1490 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1492 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1493 (output_profile_hook): Declare label_name const.
1494 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1495 to match constraints.
1497 2001-09-19 Stan Shebs <shebs@apple.com>
1499 * alias.c: Fix typos in comments.
1500 * sched-rgn.c (init_ready_list): Ditto.
1501 * unwind-dw2.c (uw_frame_state_for): Ditto.
1502 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1503 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1504 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1506 2001-09-19 Richard Henderson <rth@redhat.com>
1508 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1510 * Makefile.in (cfg.o): Depend on TM_P_H.
1512 2001-09-19 Richard Henderson <rth@redhat.com>
1514 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1515 (local_symbolic_operand): ... here.
1516 (small_symbolic_operand): Check mode.
1517 (global_symbolic_operand): New.
1518 (input_operand): Reject symbolics if explicit relocs.
1519 (call_operand): Tidy.
1520 (alpha_legitimize_address): Use movdi_er_high_g.
1521 (alpha_expand_mov): Likewise.
1522 * config/alpha/alpha-protos.h: Update.
1523 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1524 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1525 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1526 (UNSPECV_LDGP2): Remove.
1527 (all call patterns): Use 's' not 'i' for symbolic constraint.
1528 (call_osf call_value_osf): Use call_operand.
1529 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1530 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1531 (prologue_ldgp_1_er): Remove.
1532 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1533 (builtin_setjmp_receiver_er patterns): Use them.
1534 (exception_receiver_er): Likewise.
1536 2001-09-19 Richard Henderson <rth@redhat.com>
1538 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1540 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1541 and NON_LOCAL_GOTO notes.
1542 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1543 copy over CALL_INSN_FUNCTION_USAGE.
1545 2001-09-18 Catherine Moore <clm@redhat.com>
1547 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1550 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1552 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1553 new-style tm_file specification. Specify correct tm_p_file,
1554 md_file, and out_file for s390x.
1556 * config/s390/linux.h, linux64.h: Don't include other target
1557 macro header files. Now handled via tm_file.
1559 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1560 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1561 are defined before use.
1563 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1565 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1566 code generation only for Gnu assembler.
1568 2001-09-18 Catherine Moore <clm@redhat.com>
1570 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1572 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1574 * config/mips/mips.c (mips_frame_set): New.
1575 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1576 a parallel frame-related expression with a set for each register.
1578 2001-09-18 Philip Blundell <philb@gnu.org>
1580 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1583 2001-09-17 Dale Johannesen <dalej@apple.com>
1585 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1586 * config/rs6000/aix.h (FIXED_R2): Define.
1587 * config/rs6000/darwin.h (FIXED_R2): Define.
1588 * config/rs6000/sysv4.h (FIXED_R2): Define.
1590 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1592 * except.c (dw2_build_landing_pads): New local
1593 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1594 barrier after clobbers. Fixes c++/4012.
1596 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1598 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1600 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1602 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1603 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1605 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1610 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1612 * cpphash.h (_cpp_lex_direct): New.
1613 * cpplex.c (_cpp_lex_token): Update.
1614 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1615 and increment that pointer.
1616 * cppmacro.c (alloc_expansion_token): New.
1617 (lex_expansion_token): Lex macro expansion directly into
1620 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1622 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1624 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1626 * basic-block.h (free_bb_for_insn): Declare.
1627 * bb-reorder.c (label_for_bb): Use block_label.
1628 (emit_jump_to_block_after): Remove.
1629 (insert_intra_1): Do not update block_for_insn.
1630 (insert_inter_bb_scope_notes): Likewise; update bb->end
1631 * cfg.c (free_bb_for_insn): New.
1632 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1633 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1634 (commit_one_edge_insertion): Likewise.
1635 (commit_one_edge_insertion): Do not update BB boundary.
1636 (commit_edge_insertions): Do not call compute_bb_for_insn.
1637 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1638 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1639 (merge_blocks_move_successor_nojumps): Likewise.
1640 (try_crossjump_to_edge): Do not update block_for_insn.
1641 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1642 * df.c (df_pattern_emit_later): Do not update BB boundary.
1643 (df_jump_pattern_emit_after): Likewise.
1644 (df_insn_move_before): Use emit_insn_before.
1645 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1647 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1648 boundaries and basic_block_for_insn.
1649 (reorder_insns_nobb): Rename from reorder_insns.
1650 (reorder_insns): New.
1651 (emit_block_insn_before, emit_block_insn_after): Kill.
1652 * flow.c (check_function_return_warnings): Do not call
1653 compute_bb_for_insn; Do not free basic_block_for_insn.
1654 (attempt_auto_inc): Do not update basic_block_for_insn.
1655 * function.c (emit_return_into_block): Likewise;
1656 do not update BB boundaries.
1657 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1658 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1659 (pre_insert_copy_insn): Likewise.
1660 (update_ld_motion_notes): Likewise.
1661 (insert_insn_start_bb): Likewise.
1662 (replace_store_insn): Likewise.
1663 * ifcvt.c (noce_process_if_block): Likewise.
1664 (if_convert): Do not call compute_bb_for_insn.
1665 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1666 Use emit_insn_before and emit_insn_after.
1667 * recog.c (split_all_insns): Do not update BB boundaries;
1668 Do not call compute_bb_for_insn.
1669 (peephole2_optimize): Do not update BB boundaries.
1670 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1672 (emit_swap_insn): Likewise.
1673 (convert_regs_1): Likewise.
1674 * reload1.c (reload): Call compute_bb_for_insn.
1675 * rtl.h (reorder_insns_nobb): Declare.
1676 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1677 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1678 at places CFG is invalidated; do not call compute_bb_for_insn.
1680 * cfg.c (expunge_block): Invalidate BB structure.
1682 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1685 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1687 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1689 * cpphash.h (_cpp_lex_token): Update prototype.
1690 * cpplex.c (_cpp_lex_token): New prototype.
1691 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1692 lex_macro_node, read_flag, do_pragma_poison): Update.
1693 * cppmacro.c (cpp_get_token, parse_params,
1694 lex_expansion_token): Update.
1696 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1698 * cppmain.c (scan_translation_unit): Don't worry about
1699 putting a space after hashes.
1700 * cpplib.c (directive_diagnostics): New.
1701 (_cpp_handle_directive): Update to use directive_diagnostics.
1702 (run_directive): Don't toggle prevent_expansion.
1703 (do_line): Backup in case of the line extension.
1704 * cpplib.h (cpp_lexer_pos): Remove.
1705 * cppmacro.c (_cpp_create_definition): Precede a leading #
1708 2001-09-15 Richard Henderson <rth@redhat.com>
1710 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1712 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1714 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1716 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1718 PR preprocessor/3571
1719 * tradcpp.c (handle_directive): Skip non-vertical space.
1721 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1723 * cppmain.c (setup_callbacks): Set line callback only
1724 if outputting preprocessed source.
1726 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1728 * collect2.c (main): Const-ification.
1729 * gcc.c (translate_options, process_command): Use xstrdup in
1730 lieu of xmalloc/strcpy.
1731 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1733 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1735 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1738 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * scan-decls.c (scan_decls): Fix typo.
1742 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1744 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1745 Split mlstring_pos into mls_line and mls_col.
1746 * cppinit.c (cpp_create_reader): Initialize line to 1.
1747 (cpp_destroy): Free tokenruns.
1748 (push_include): Don't update lexer_pos.
1749 * cpplex.c (unterminated, parse_string): Update.
1750 (lex_token): Don't update lexer_pos, update.
1751 * cpplib.c (if_stack): Save line instead of line + col.
1752 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1753 push_conditional, _cpp_pop_buffer): Update.
1754 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1755 (_cpp_create_definition): Update.
1757 2001-09-15 Eric Christopher <echristo@redhat.com>
1759 * config/mips/abi64.h: Add support for MEABI.
1761 2001-09-15 Eric Christopher <echristo@redhat.com>
1763 * config/mips/mips.md: Add unspec #2.
1765 (reload_outdi): Ditto.
1766 (reload_outsi): Ditto.
1769 2001-09-15 Eric Christopher <echristo@redhat.com>
1770 Jason Eckhardt <jle@redhat.com>
1772 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1773 * config/mips/isa32-linux.h: New file.
1774 * config/mips/isa3264.h: Ditto.
1775 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1776 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1777 (output_block_mode): Support MEABI.
1778 (function_arg): Ditto. Fix floating point arg passing.
1779 (mips_va_start): Ditto.
1780 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1782 (mips_asm_file_start): Add new section to pass abi to gdb.
1783 (function_arg_pass_by_reference): Support MEABI.
1784 (mips_parse_cpu): Support mips32 and mips64 processors.
1785 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1786 TARGET_MIPS5KC. Support isa32 and isa64.
1787 (processor_type): Add r4kc, r5kc, r20kc.
1788 (GENERATE_MULT3_SI): New.
1789 (GENERATE_MULT3_DI): Ditto.
1790 (GENERATE_MULT3): Remove.
1791 (ISA_HAS_64BIT_REGS): Add isa == 64.
1792 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1793 (ISA_HAS_MADD_MSUB): New.
1794 (ISA_HAS_CLZ_CLO): Ditto.
1795 (ISA_HAS_DCLZ_DCLO): Ditto.
1796 (ABI_GAS_ASM_SPEC): New.
1797 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1800 (SUBTARGET_CC1_SPEC): Ditto.
1801 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1802 (PAD_VARARGS_DOWN): Support MEABI.
1803 (HARD_REGNO_NREGS): Move to mips.c.
1804 (ASM_OUTPUT_IDENT): Add #undef.
1805 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1806 (mulsi3): Use GENERATE_MULT3_SI.
1807 (mulsi3_mult3): Ditto. Support mips32, mips64.
1808 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1809 (mul_sub_si): New pattern.
1810 (unnamed splitters): New.
1811 (muldi3): Use GENERATE_MULT3_DI.
1812 (muldi3_internal2): Ditto.
1813 (movdicc): Support mips32.
1814 * config/mips/t-isa3264: New file.
1816 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1818 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1819 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1820 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1822 * reorg.c (fill_slots_from_thread): After call to
1823 steal_delay_list_from_target, update own_thread as new_thread may
1826 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1828 * cpperror.c (print_location): Take line and column, for
1829 default positioning use the previously lexed token.
1830 (_cpp_begin_message): Take line and column.
1831 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1832 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1833 * cpphash.h (_cpp_begin_message): Update prototype.
1834 * cppinit.c (push_include): Don't set output line.
1835 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1836 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1837 (do_pragma): Kludge for front ends. Don't expand macros at all.
1838 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1839 (struct cpp_token): Remove output_line.
1840 (struct cpp_callbacks): New member line_change.
1841 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1842 cpp_get_token): Preserve BOL flag.
1843 (cpp_get_line): Remove.
1844 (_cpp_backup_tokens): Remove useless abort().
1845 * cppmain.c (cb_line_change): New.
1846 (scan_translation_unit): Don't worry about starting new lines here.
1847 * scan-decls.c (scan_decls): Update.
1848 * c-lex.c (c_lex, init_c_lex): Update.
1849 (cb_line_change, src_lineno): New.
1851 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1853 * tree.c (append_random_chars): Generate the random
1854 characters in a reproducable fashion.
1856 2001-09-14 Richard Henderson <rth@redhat.com>
1858 * config/i386/i386.c (internal_label_prefix): New.
1859 (internal_label_prefix_len): New.
1860 (override_options): Set them.
1861 (local_symbolic_operand): New.
1862 (legitimate_pic_address_disp_p): Use it.
1863 (legitimize_pic_address): Likewise.
1865 2001-09-14 Marc Espie <espie@openbsd.org>
1867 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1870 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1872 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1873 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1875 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1877 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1878 invocation of SUBREG_REGNO_OFFSET.
1880 * haifa-sched.c: Fix typo in FSF copyright statement.
1881 * sched-deps.c: Fix typo in FSF copyright statement.
1882 * sched-ebb.c: Fix typo in FSF copyright statement.
1883 * sched-rgn.c: Fix typo in FSF copyright statement.
1884 * sched-vis.c: Fix typo in FSF copyright statement.
1886 * config.gcc: Move inclusion of arm elf specific header files
1887 from the files themselves into the tm_file variable. Make
1888 sure that elfos.h is included before target specific elf
1890 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1892 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1893 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1894 ASM_OUTPUT_CASE_LABEL): Protect definition.
1895 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1896 not already defined.
1897 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1898 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1899 Remove duplicate definition.
1900 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1901 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1902 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1903 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1904 Remove inclusion of arm/elf.h.
1905 * config/arm/unknown-elf.h: as for conix-elf.h.
1906 (STARTFILE_SPEC): Include crti.o and crtn.o.
1907 * config/arm/linux-elf.h: as for conix-elf.h.
1908 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1909 * config/arm/strongarm-elf.h: Remove inclusion of
1911 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1912 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1913 unknown-elf.h and elf.h.
1914 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1915 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1916 ASM_WEAKEN_LABEL): Remove redundant definition.
1917 * config/arm/elf.h: Test for inclusion of elfos.h
1918 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1919 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1920 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1921 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1922 redundant definition.
1923 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1924 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1925 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1926 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1927 Add rules to build crti.o and crtn.o
1928 * crti.asm: New file.
1929 * crtn.asm: New file.
1931 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1933 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1934 * cpphash.h (struct tokenrun): Add prev.
1935 (struct lexer_state): Remove bol.
1936 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1937 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1939 * cppinit.c (cpp_create_reader): Don't set bol.
1940 (cpp_destroy): Don't free lookaheads.
1941 * cpplex.c (lex_directive): Remove.
1942 (next_tokenrun): Update.
1943 (_cpp_lex_token): Clean up logic.
1944 (lex_token): Update to return a pointer to lexed token, since it
1945 can move to the start of the buffer. Simpify newline handling.
1946 * cpplib.c (SEEN_EOL): Update.
1947 (skip_rest_of_line): Remove lookahead stuff.
1948 (end_directive): Line numbers are already incremented. Revert
1949 to start of lexed token buffer if we can.
1950 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1951 parse_answer): Use _cpp_backup_tokens.
1952 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1953 instead. Don't check for EOL.
1954 (do_include_common, do_line, do_pragma_system_header): Use
1956 * cpplib.h (BOL, _cpp_backup_tokens): New.
1957 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1958 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1959 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1960 (builtin_macro): Don't use cpp_get_line.
1961 (cpp_get_line): Short term kludge.
1962 (parse_arg): Handle directives in arguments here. Back up when
1963 appropriate. Store EOF at end of argument list.
1964 (funlike_invocation_p): Use _cpp_backup_tokens.
1965 (push_arg_context): Account for EOF at end of list.
1966 (cpp_get_token): Remove lookahead stuff. Update.
1968 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1970 * c-parse.in (yyerror): Const-ification and/or static-ization.
1971 * c-typeck.c (push_member_name): Likewise.
1972 * collect2.c (main): Likewise.
1973 * dbxout.c (dbxout_parms): Likewise.
1974 * diagnostic.c (format_with_decl): Likewise.
1975 * dwarf2out.c (output_ranges): Likewise.
1976 * dwarfout.c (fundamental_type_code): Likewise.
1977 * except.c (dw2_output_call_site_table): Likewise.
1978 * gcc.c (do_spec_1): Likewise.
1979 * genopinit.c (optabs): Likewise.
1980 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1981 gen_declaration_1, handle_impent): Likewise.
1982 * protoize.c (default_include, in_system_include_dir, abspath):
1984 * sched-vis.c (visualize_stall_cycles): Likewise.
1985 * sdbout.c (plain_type_1, sdbout_end_function,
1986 sdbout_end_epilogue): Likewise.
1987 * varasm.c (decode_reg_name): Likewise.
1989 * 1750a.c (mod_regno_adjust): Likewise.
1990 * alpha.c (alpha_write_one_linkage,
1991 unicosmk_output_default_externs): Likewise.
1992 * arm.c (arm_condition_codes): Likewise.
1993 * arm.h (arm_condition_codes): Likewise.
1994 * avr.c (output_movsisf, encode_section_info): Likewise.
1995 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1997 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1998 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1999 * m88k.c (output_function_profiler): Likewise.
2000 * mips.c (mips_output_conditional_branch): Likewise.
2001 * ns32k.c (ns32k_out_reg_names): Likewise.
2002 * ns32k.h (ns32k_out_reg_names): Likewise.
2003 * pj.c (pj_output_rval): Likewise.
2004 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
2005 * sparc.c (sparc_flat_function_prologue,
2006 sparc_flat_function_epilogue): Likewise.
2008 2001-09-13 Markus Werle <numerical.simulation@web.de>
2009 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2011 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
2012 Aachen University of Technology".
2014 2001-09-13 Andreas Schwab <schwab@suse.de>
2016 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
2019 2001-09-13 Richard Henderson <rth@redhat.com>
2021 * config/alpha/alpha.c (small_symbolic_operand): New.
2022 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
2023 (some_operand, input_operand): Don't handle HIGH.
2024 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
2025 (alpha_expand_mov): Likewise.
2026 (print_operand) [H]: Just print HIGH symbol.
2027 (print_operand_address): Handle small data.
2028 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
2029 (TARGET_SWITCHES): Add -msmall-data/large-data.
2030 (PIC_OFFSET_TABLE_REGNUM): New.
2031 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
2032 (PREDICATE_COES): Update.
2033 * config/alpha/alpha.md (adddi_er_high): New.
2034 (adddi_er_low): Handle small data.
2035 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
2036 prefer .sdata to .rodata.
2037 (SELECT_RTX_SECTION): Likewise.
2039 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
2041 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
2042 defining __size_t and leaving size_t undefined.
2044 2001-09-12 Diego Novillo <dnovillo@redhat.com>
2046 * basic-block.h (expunge_block): Declare.
2047 * cfg.c (expunge_block): Remove static declaration.
2049 2001-09-12 Richard Henderson <rth@redhat.com>
2051 * integrate.c (copy_insn_list): Copy label name from
2052 NOTE_INSN_DELETED_LABEL.
2054 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2056 * c-common.c (c_tree_code_name): Const-ification.
2057 * c-decl.c (c_decode_option): Likewise.
2058 * c-typeck.c (warn_for_assignment): Likewise.
2059 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
2061 * cppinit.c (output_deps): Likewise.
2062 * dependence.c (dependence_string, direction_string): Likewise.
2063 * dwarf2out.c (output_ranges): Likewise.
2064 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
2065 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
2066 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
2067 standard_startfile_prefix, standard_startfile_prefix_1,
2068 standard_startfile_prefix_2, tooldir_base_prefix,
2069 standard_bindir_prefix, find_a_file): Likewise.
2070 * genattrtab.c (make_length_attrs): Likewise.
2071 * gencheck.c (tree_codes): Likewise.
2072 * genemit.c (gen_split): Likewise.
2073 * genrecog.c (special_mode_pred_table): Likewise.
2074 * graph.c (graph_ext): Likewise.
2075 * protoize (default_include): Likewise.
2076 * reload.c (reload_when_needed_name): Likewise.
2077 * sched-vis.c (visualize_stall_cycles): Likewise.
2078 * tlink.c (recompile_files): Likewise.
2079 * toplev.c (decode_g_option): Likewise.
2080 * tradcpp.c (output_deps): Likewise.
2081 * varasm.c (decode_reg_name): Likewise.
2083 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
2086 * avr.c (avr_regnames, encode_section_info): Likewise.
2087 * c4x.c (float_reg_names): Likewise.
2088 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
2089 * elfos.h (const_section): Likewise.
2090 * i386.c (ix86_comp_type_attributes): Likewise.
2091 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
2092 * ia64/aix.h (UNIQUE_SECTION): Likewise.
2093 * ia64.c (type_names): Likewise.
2094 * m68hc11.c (reg_class_names): Likewise.
2095 * m88k.c (m_options): Likewise.
2096 * mips.c (mips_output_conditional_branch, mips_unique_section):
2098 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2099 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
2100 ultra_code_names): Likewise.
2101 * sparc.h (OVERRIDE_OPTIONS): Likewise.
2103 2001-09-12 Jakub Jelinek <jakub@redhat.com>
2105 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
2106 Use --fatal-warnings option for gas.
2107 * configure: Rebuilt.
2109 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2111 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
2113 2001-09-11 Jim Wilson <wilson@redhat.com>
2115 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
2117 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2119 * builtins.c (c_strlen): Treat an offset too large for a
2120 HOST_WIDE_INT as out of range.
2122 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
2124 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
2125 (EDGE_CRITICAL_P): New predicate.
2126 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
2128 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
2129 (dump_edge_info): Remove "crit".
2130 * cfganal.c (mark_critical_edges): Kill.
2131 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
2132 * cfgcleanup.c (cleanup_cfg): Likewise.
2133 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
2134 (find_spanning_tree): Likewise.
2135 * reg-stack.c (convert_regs_1): Likewise.
2136 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
2138 * basic-block.h (create_basic_block_structure): New.
2139 (create_basic_block): Update prototype.
2140 (force_nonfallthru): New.
2141 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
2142 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
2143 handle updating of block_for_insn, creating of empty BBs and BBs at
2144 the end of INSN chain.
2145 (create_basic_block): New function.
2146 (split_block): Use create_basic_block.
2147 (force_nonfallthru_and_redirect): Break out from ...; cleanup
2148 (redirect_edge_and_branch_force): ... here.
2149 (force_nonfallthru): New.
2150 (split_edge): Rewrite to use force_nonfallthru and create_block.
2151 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
2152 (find_basic_blocks): Free basic_block_for_insn.
2153 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
2155 * cfg.c: Fix formating.
2156 * cfgcleanup.c: Fix formating.
2157 (merge_blocks, tail_recursion_label_p): Return bool.
2158 (merge_blocks_move_predecessor_nojumps,
2159 merge_blocks_move_successor_nojumps): Return void.
2161 2001-09-11 Jakub Jelinek <jakub@redhat.com>
2163 * configure.in: Check whether assembler supports section merging.
2164 * config.in: Rebuilt.
2165 * configure: Rebuilt.
2166 * varasm.c (variable_section, output_constant_pool): Pass alignment
2167 to SELECT_SECTION and SELECT_RTX_SECTION.
2168 (mergeable_string_section): New.
2169 (mergeable_constant_section): New.
2170 (default_elf_asm_named_section): Output SECTION_MERGE and
2171 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2172 * output.h (mergeable_string_section): New.
2173 (mergeable_constant_section): New.
2174 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
2175 * toplev.c (flag_merge_constants): New.
2176 (f_options): Add -fmerge-constants and -fmerge-all-constants
2178 (toplev_main): Default to -fno-merge-constants if not optimizing.
2179 * flags.h (flag_merge_constants): Add extern.
2180 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
2181 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
2183 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
2184 Define if assembler has working .subsection -1 support.
2185 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
2186 Put constant into special SHF_MERGE sections if the linker should
2187 attempt to merge duplicates.
2188 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
2190 Put constant into special SHF_MERGE sections if the linker should
2191 attempt to merge duplicates.
2192 * config/alpha/elf.h: Likewise.
2193 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
2194 has working .subsection -1 support.
2195 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
2197 * config/svr3.h: Likewise.
2198 * config/darwin.h: Likewise.
2199 * config/arm/aof.h: Likewise.
2200 * config/arm/linux-elf.h: Likewise.
2201 * config/avr/avr.h: Likewise.
2202 * config/c4x/c4x.h: Likewise.
2203 * config/d30v/d30v.h: Likewise.
2204 * config/i386/dgux.h: Likewise.
2205 * config/i386/osfrose.h: Likewise.
2206 * config/i386/sco5.h: Likewise.
2207 * config/i386/svr3gas.h: Likewise.
2208 * config/ia64/aix.h: Likewise.
2209 * config/m32r/m32r.h: Likewise.
2210 * config/m68k/m68k.h: Likewise.
2211 * config/m88k/dgux.h: Likewise.
2212 * config/m88k/m88k.h: Likewise.
2213 * config/mcore/mcore-pe.h: Likewise.
2214 * config/mips/mips.h: Likewise.
2215 * config/pa/pa.h: Likewise.
2216 * config/pa/pa-linux.h: Likewise.
2217 * config/romp/romp.h: Likewise.
2218 * config/rs6000/sysv4.h: Likewise.
2219 * config/rs6000/xcoff.h: Likewise.
2220 * config/s390/linux.h: Likewise.
2221 * config/sparc/sparc.h: Likewise.
2222 * config/sparc/sysv4.h: Likewise.
2223 * config/stormy16/stormy16.h: Likewise.
2224 * config/v850/v850.h: Likewise.
2225 * config/vax/vms.h: Likewise.
2226 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
2227 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
2228 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
2229 default_elf_asm_named_section for SHF_MERGE sections.
2231 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2233 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
2236 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
2238 * c-common.c (split_specs_attrs): Allow for empty attributes with
2239 empty TREE_PURPOSE. Fixes PR c/4294.
2241 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
2243 * basic-block.h (cached_make_edge, make_single_succ): New.
2244 (make_edge): Remove first parameter.
2245 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
2246 * cfg.c (cached_make_edge): Rename from make_edge; return newly
2247 created edge; use obstack allocation.
2248 (make_edge, make_single_succ_edge): New.
2249 (first_removed_edge): New static variable.
2250 (init_flow): Initialize first_removed_edge and n_edges.
2251 (clear_edges): Use remove_edge.
2252 (flow_delete_block): Likewise.
2253 (remove_edge): Add removed edges to the removed edges list.
2254 (split_block, redirect_edge_and_branch_force, split_edge):
2256 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
2257 (add_noreturn_fake_exit_edges): Likewise.
2258 (connect_infinite_loops_to_exit): Liekwise.
2259 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
2260 Use cached_make_edge.
2261 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
2262 * profile.c (branch_prob): Update make_edge call.
2263 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
2265 2001-09-11 Richard Henderson <rth@redhat.com>
2267 * config/alpha/alpha.c: Tidy formatting.
2268 (local_symbolic_operand): Verify mode.
2269 (alpha_sa_mask): Ignore unicos for eh_return.
2270 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2271 * config/alpha/alpha.md (umk divsi patterns): Remove.
2272 (extendsfdf2): Remove unicos check.
2273 (tablejump): Merge vms and unicos code; always use direct set
2276 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2278 * config.gcc (alpha*-*-unicosmk*): New target.
2280 * config/alpha/alpha-protos.h (symbolic_operand,
2281 unicosmk_add_call_info_word, unicosmk_add_extern,
2282 unicosmk_defer_case_vector, unicosmk_unique_section,
2283 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2284 unicosmk_asm_file_start, unicosmk_asm_file_end,
2285 unicosmk_output_common): Declare.
2287 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2288 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2289 alpha_does_function_need_gp, alpha_end_function): Support Cray
2291 (alpha_init_machine_status, alpha_mark_machine_status,
2292 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2293 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2294 unicosmk_asm_named_section, unicosmk_insert_attributes,
2295 unicosmk_section_type_flags, symbolic_operand,
2296 unicosmk_output_module_name, unicosmk_output_default_externs,
2297 unicosmk_output_dex, unicosmk_output_externs,
2298 unicosmk_output_addr_vec, unicosmk_ssib_name,
2299 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2300 unicosmk_asm_file_end, unicosmk_output_common,
2301 unicosmk_section_type_flags, unicosmk_unique_section,
2302 unicosmk_add_call_info_word, unicosmk_text_section,
2303 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2304 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2305 unicosmk_dex_count, unicosmk_special_name): New.
2306 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2307 TARGET_ABI_UNICOSMK.
2308 (get_aligned_mem, alpha_expand_unaligned_load,
2309 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2310 alpha_expand_unaligned_store_words): Support big-endian mode.
2311 (print_operand): Likewise. New format specifier 't'. Use
2312 TARGET_AS_SLASH_BEFORE_SUFFIX.
2313 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2314 (alpha_pv_save_size): Update with above change.
2315 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2316 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2319 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2320 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2321 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2322 (EXTRA_CONSTRAINT): New constraint 'U'.
2323 (PREDICATE_CODES): Add symbolic_operand.
2325 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2326 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2327 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2328 (integer division and modulus patterns): Split in default and
2330 (*divmodsi_internal, *divmoddi_internal): Disable for
2331 TARGET_ABI_UNICOSMK.
2332 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2333 little-endian and big-endian versions.
2334 (ext, ins, msk): Likewise.
2335 (extv, extzv, insv): Support big-endian mode.
2336 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2337 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2338 *tablejump_umk_internal, *call_value_umk): New.
2339 (*movdi_nofix): Add pattern for loading an address into a register on
2340 TARGET_ABI_UNICOSMK.
2341 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2342 (umk_mismatch_args, arg_home_umk): New.
2343 (various insns): Don't use mov, fmov, nop, fnop and unop.
2344 (realign): Support TARGET_ABI_UNICOSMK.
2346 * config/alpha/unicosmk.h: New file.
2347 * config/alpha/t-unicosmk: New file.
2349 * fixinc/inclhack.def (unicosmk_restrict): New.
2350 * fixinc/fixincl.x: Regenerate.
2352 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2353 (wchar_t): Check for and define __WCHAR_T__.
2355 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2357 * combine.c (simplify_shift_const): Treat shifts by the mode
2360 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2362 * cpphash.h (struct tokenrun): New.
2363 (struct cpp_context): New member bol.
2364 (struct cpp_reader): New members.
2365 (_cpp_init_tokenrun): New.
2366 * cppinit.c (cpp_create_reader): Set up the token runs.
2367 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2368 (lex_token): New internalised version of _cpp_lex_token. Don't
2369 handle directives or the multiple include opimisation here any
2370 more. Simply lex a token.
2371 * cpplib.c (run_directive): Clear bol.
2372 (_cpp_pop_buffer): Set bol.
2373 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2376 2001-09-11 Michael Meissner <meissner@redhat.com>
2378 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2379 give an error if the user uses -mfp32.
2380 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2382 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2383 floating point register size.
2384 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2386 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2387 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2389 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2390 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2392 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2394 * dbxout.c (dbxout_parms): Fix typo in comment.
2395 * unroll.c (loop_find_equiv_value): Ditto.
2396 * toplev.c (rest_of_compilation): Ditto.
2397 * loop.c (scan_loop): Ditto.
2398 * dwarf2out.c (struct dw_fde_struct): Ditto.
2400 2001-09-10 Zack Weinberg <zackw@panix.com>
2402 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2403 copying identifier when we're just going to throw it away.
2404 (parse_identifier_slow): New routine to handle abnormal cases.
2405 (_cpp_lex_token): Update call site.
2407 * hashtable.c (ht_lookup): Don't assume that the string we've
2408 been given is NUL-terminated.
2409 * system.h: #define __builtin_expect(a, b) to (a) if not
2412 2001-09-10 Michael Meissner <meissner@redhat.com>
2414 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2417 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2419 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2421 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2423 * builtins.c (c_getstr): Correct thinko in last change and further
2426 2001-09-10 Tim Freeman <tim@fungibole.com>
2428 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2429 into varray's and register them as roots with the garbage
2430 collector so they are not collected too soon.
2432 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2434 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2436 * basic-block.h (flow_obstack, label_value_list,
2437 tail_recursion_label_list): Declare
2438 (tidy_fallthru_edges): Declare.
2439 (expunge_block, last_loop_beg_note): Delete.
2440 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2442 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2443 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2444 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2445 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2446 expunge_block, flow_delete_block, compute_bb_for_insn,
2447 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2448 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2449 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2450 try_redirect_by_replacing_jump, last_loop_beg_note,
2451 redirect_edge_and_branch, redirect_edge_and_branch_force,
2452 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2453 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2454 commit_edge_insertions, dump_flow_info, debug_flow_info,
2455 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2456 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2457 Move here from flow.c
2458 * cfganal.c: New file.
2459 (forwarder_block_p, can_fallthru, mark_critical_edges,
2460 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2461 find_unreachable_blocks, create_edge_list, free_edge_list,
2462 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2463 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2464 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2465 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2466 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2467 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2468 Move here from flow.c
2469 * cfgbuild.c: New file
2470 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2471 make_edges, find_basic_blocks_1, find_basic_blocks,
2472 find_sub_basic_blocks): Move here from flow.c
2473 * cfgcleanup.c: New file.
2474 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2475 merge_blocks_move_predecessor_nojumps,
2476 merge_blocks_move_successor_nojumps, merge_blocks,
2477 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2478 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2479 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2481 * cfgloop.c: New file
2482 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2483 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2484 flow_loop_exit_edges_find, flow_loop_nodes_find,
2485 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2486 flow_loop_tree_node_add, flow_loops_tree_build,
2487 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2488 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2489 Move here from flow.c
2490 * flow.c: Remove everything moved elsewhere
2491 * output.h (cleanup_cfg): Return bool.
2493 * bb-reorder.c (reorder_block_def): Remove 'index'.
2494 (insert_intra_1): Add argument BB, set block for new note.
2495 (make_reorder_chain): Do not depdent on BB indexes.
2496 (make_reorder_chain_1): Do not use BB indexes.
2497 (label_for_bb): Likewise; set BB for new insn.
2498 (emit_jump_to_block_after): Likewise.
2499 (fixup_reoder_chain): Sanity check that all basic blocks
2500 are chained; verify newly created insn chain; remove
2501 undocnitional jump simplifying; Do not use BB indexes;
2502 properly initialize count and frequency information;
2503 dump reordered sequence.
2504 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2505 (insert_inter_bb_scope_notes): Set block for new insn.
2506 (reorder_basic_blocks): Dump flow info before reoredering.
2508 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2510 * alias.c (clear_reg_alias_info): Use K&R format definition.
2511 Avoid unsigned warning.
2512 * builtins.c: Use "unsigned int", not "unsigned".
2513 (target_char_cast): Use host_integerp and tree_low_cst.
2514 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2515 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2516 (c_getstr): Likewise.
2517 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2518 (builtin_memcpy_read_str): Avoid unsigned warning.
2519 (expand_builtin_memcpy): Alignments are unsigned.
2520 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2521 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2522 * predict.c (expensive_function_p): LIMIT now unsigned.
2523 * resource.c (mark_target_live_regs): Make some vars unsigned.
2524 * sdbout.c: Use "unsigned int", not "unsigned".
2525 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2526 (sdbout_source_line): Likewise.
2527 (sdbout_record_type_name): Remove "const" for NAME declaration.
2528 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2530 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2532 * calls.c (store_one_arg): Expand comment.
2534 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2536 * calls.c (store_one_arg): Make sure that the entire argument is
2537 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2539 2001-09-09 Richard Henderson <rth@redhat.com>
2541 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2543 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2545 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2547 2001-09-09 Richard Henderson <rth@redhat.com>
2549 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2550 (alpha_this_literal_sequence_number): New.
2551 (alpha_this_gpdisp_sequence_number): New.
2552 (some_operand, input_operand): Add HIGH.
2553 (local_symbolic_operand): New.
2554 (alpha_encode_section_info): New.
2555 (alpha_legitimate_address_p): Allow LO_SUM.
2556 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2557 (alpha_expand_mov): Likewise.
2558 (secondary_reload_class): Check memory_operand not general_operand
2560 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2561 (alpha_expand_unaligned_store): Likewise.
2562 (alpha_expand_unaligned_load_words): Likewise.
2563 (alpha_expand_unaligned_store_words): Likewise.
2564 (alpha_expand_block_clear): Likewise.
2565 (print_operand): Handle %#, %*, %H.
2566 (print_operand_address): Handle LO_SUM.
2568 (alpha_does_function_need_gp): Use it.
2569 (alpha_expand_block_move): Fix signed compare warnings.
2570 (alpha_sa_mask, alpha_align_insns): Likewise.
2571 * config/alpha/alpha-protos.h: Update.
2572 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2573 (MASK_EXPLICIT_RELOCS): New.
2574 (TARGET_SWITCHES): Add -mexplicit-relocs.
2575 (EXTRA_CONSTRAINT): Add 'T'.
2576 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2577 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2578 (ENCODE_SECTION_INFO): Out line.
2579 (REDO_SECTION_INFO_P): New.
2580 (STRIP_NAME_ENCODING): New.
2581 (ASM_OUTPUT_LABELREF): New.
2582 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2583 (PREDICATE_CODES): Update.
2584 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2585 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2586 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2587 builtin_setjmp_receiver_er, exception_receiver_1_er,
2588 call_value_osf_1_er): New patterns.
2589 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2590 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2591 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2592 (FINAL_PRESCAN_INSN): New.
2594 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2596 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2598 2001-09-08 Andreas Jaeger <aj@suse.de>
2600 * i386.h (TARGET_SWITCHES): Fix description.
2602 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2604 * rs6000.c (num_insns_constant): Compute number of instructions
2607 * doc/install.texi: Explain AIX exception handling work-around.
2608 Update URL for AIX fixes.
2610 2001-09-07 Jim Wilson <wilson@redhat.com>
2612 * alias.c (clear_reg_alias_info): New.
2613 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2614 * rtl.h (clear_reg_alias_info): Declare.
2616 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2618 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2620 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2621 (m16m,edivm,emulm): Change declaration to match definition.
2623 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2625 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2626 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2629 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2631 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2632 which have no corresponding C type.
2633 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2634 the representation of 64-bit doubles to work with 64-bit ints.
2636 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2638 * config/mips/mips.c (override_options): Do not override ISA when ABI
2639 specified if MIPS_CPU_STRING_DEFAULT was specified.
2641 2001-09-07 Richard Henderson <rth@redhat.com>
2643 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2644 (express_from_1): Wrap lines.
2645 * rtlanal.c (commutative_operand_precedence): Rename from
2646 operand_preference; export.
2647 * rtl.h: Declare it.
2648 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2649 (simplify_binary_operation): Invoke simplify_plus_minus on
2650 (CONST (PLUS ...)) as well.
2651 (struct simplify_plus_minus_op_data): New.
2652 (simplify_plus_minus_op_data_cmp): New.
2653 (simplify_plus_minus): Use them. Avoid infinite recursion with
2654 simplify_binary_operation wrt CONST.
2656 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2658 * h8300-protos.h (general_operand_dst_push): Remove.
2659 * h8300.c (general_operand_dst_push): Likewise.
2660 * h8300.h (OK_FOR_T): Likewise.
2661 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2662 * h8300.md (pushqi_h8300): New.
2663 (pushqi_h8300hs): Likewise.
2665 (pushhi_h8300): Likewise.
2666 (pushhi_h8300hs): Likewise.
2669 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2671 * genattrtab.c (attr_printf): First arg is unsigned.
2672 Clean up formatting of callers.
2674 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2676 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2679 2001-09-07 Andreas Jaeger <aj@suse.de>
2681 * i386.h (TARGET_SWITCHES): Fix descriptions.
2683 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2685 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2687 2001-09-06 Ira Ruben <ira@apple.com>
2689 Remove OP_IDENTIFIER.
2690 * tree.def (OP_IDENTIFIER): Remove.
2691 * tree.c (tree_node_kind enum): Remove op_id_kind.
2692 (tree_node_kind_names): Remove "op_identifiers".
2693 (make_node): Remove OP_IDENTIFIER test.
2694 (build_op_identifier): Removed because it isn't being used.
2695 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2696 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2698 2001-09-06 Richard Henderson <rth@redhat.com>
2700 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2702 2001-09-06 Richard Henderson <rth@redhat.com>
2704 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2707 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2709 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2710 number used for CR register.
2712 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2713 Joern Rennecke (amylaar@cygnus.com)
2715 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2716 * h8300.c (initial_offset): Handle offset between RP and FP.
2717 (h8300_return_addr_rtx): New function.
2718 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2720 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2721 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2722 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2723 (CAN_ELIMINATE, REGISTER_NAMES):
2724 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2726 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2728 Remove TYPE_NONCOPIED_PARTS.
2729 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2730 (struct tree_type): Remove noncopied_parts.
2731 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2732 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2733 (fixed_type_p): Remove.
2734 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2735 (expand_expr, MODIFY_EXPR): Likewise.
2736 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2737 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2739 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2741 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2743 (mask64_operand): Likewise.
2744 (includes_rldic_lshift_p): Likewise.
2745 (includes_rldicr_lshift_p): Likewise.
2747 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2749 * objc/objc-act.c (build_message_expr): If a class method cannot
2750 be found, do not issue a warning if a corresponding instance
2751 method exists in the root class.
2753 2001-09-05 Richard Henderson <rth@redhat.com>
2755 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2757 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2759 * function.c (ggc_mark_struct_function): Mark f->outer.
2760 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2761 * integrate.c (output_inline_function): ... not here.
2763 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2765 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2767 * i386.c (size_cost): New static variable.
2768 (override_function): Use size_cost when -Os is specified.
2770 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2771 properly; Use current_function_calls_eh_return.
2772 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2773 use leave to avoid depdendancy chain.
2775 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2776 get BB loop_depth instead of computing it from LOOP notes.
2778 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2780 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2782 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2783 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2784 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2786 2001-09-05 Jeffrey A Law (law@cygnus.com)
2787 Jason Merrill (jason@redhat.com)
2789 * stor-layout.c (layout_type): Complain if an array's size can
2790 not be represented in a size_t.
2792 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2794 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2796 * gcc.c: (process_command) Add parentheses around assignment
2797 used as truth value.
2799 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2801 * config/mips/mips.c (save_restore_insns): Don't mark any register
2802 save slots as unchanging if current_function_calls_eh_return.
2804 2001-09-05 Richard Henderson <rth@redhat.com>
2806 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2807 * config/alpha/alpha-protos.h: Declare it.
2808 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2809 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2810 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2811 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2812 (REG_OK_FOR_BASE_P): Select one of the above.
2814 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2816 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2817 (crti.o): Prefix name of object file with $(T).
2820 2001-09-05 David S. Miller <davem@redhat.com>
2822 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2823 * config/sparc/linux64.h: Likewise.
2825 2001-09-05 Andreas Jaeger <aj@suse.de>
2827 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2828 available anymore, remove the documentation.
2829 (i386 Options): Fix typo, cleanup index entries.
2831 * prefix.c (concat): Remove, we can use the version from liberty.
2833 2001-09-05 Richard Henderson <rth@redhat.com>
2835 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2836 New functions split out of md file expanders.
2837 * config/alpha/alpha-protos.h: Declare them.
2838 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2840 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * cppmacro.c (funlike_invocation_p): No need to restore context.
2844 2001-09-04 Richard Henderson <rth@redhat.com>
2846 * reload.c (push_reload): Export.
2847 * reload.h (push_reload): Declare it.
2849 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2850 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2851 * config/alpha/alpha.c (alpha_legitimize_address): New.
2852 (alpha_legitimize_reload_address): Likewise.
2853 * config/alpha/alpha-protos.h: Declare them.
2855 2001-09-04 Stan Shebs <shebs@apple.com>
2857 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2858 * config/darwin.c (machopic_stub_name): Account for internally
2859 generated lib calls such as memcpy.
2861 2001-09-04 Richard Henderson <rth@redhat.com>
2863 * unwind.h (_UA_END_OF_STACK): New flag.
2864 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2866 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2868 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2870 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2872 * config/mips/mips.c (save_restore_insns): Change base_offset to
2873 fp_offset in second call to mips_emit_frame_related_store.
2875 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2877 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2878 sometimes be represented as a NOTE of type
2879 NOTE_INSN_DELETED_LABEL.
2880 (Insns): Document NOTE_INSN_DELETED_LABEL.
2882 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2884 * c-common.h (tree_dump_index): Add more comments.
2885 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2886 (dump_option_value_info): New struct.
2887 (dump_options): New array.
2888 (dump_switch_p): Parse switch options symbolically.
2889 * doc/invoke.texi (-fdump-ast): Rename to ...
2890 (-fdump-tree): ... here. Document that options are symbolic, and
2891 not all are applicable.
2893 2001-09-04 David S. Miller <davem@redhat.com>
2895 * config/sparc/sparc.md (define_splits): Kill constraints.
2897 Cleanup redundant and unused insn attributes.
2898 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2899 binary, and move. Mark ialu as default.
2900 (commented out define_function_unit "alu"): Kill.
2901 (define_attr "use_clobbered"): Kill.
2902 (whole file): Kill address insn type references. Replace
2903 all unary/binary/move references with ialu.
2904 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2905 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2908 Simplify length insn attribute and make more judicious use
2909 of insn attribute defaulting.
2910 * config/sparc/sparc.md (all insns with length > one): Mark as
2911 insn type multi if real instructions, else use default if
2912 it is a forced splitter.
2913 (all insns with length == one): Use default insn length.
2914 (all insns of type ialu): Use default insn type.
2916 Fix erroneous insn attribute settings.
2917 (addx): Set insn type to misc.
2918 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2919 const_umulsidi3_sp64): Set insn type to imul.
2921 Track SFmode vs DFmode insns according to UltraSPARC
2923 * config/sparc/sparc.md ("fptype"): New attribute, default
2925 (all DFmode single insns): Mark as fptype "double".
2927 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2929 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2931 2001-09-03 Richard Henderson <rth@redhat.com>
2933 * function.h (struct function): Add arg_pointer_save_area_init.
2934 * function.c (expand_function_end): Init arg_pointer_save_area.
2935 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2936 when called from a nested function.
2938 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2940 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2943 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2945 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2947 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2949 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2950 (emit_push_insn): Use specified padding direction when
2951 STACK_PUSH_CODE is POST_INC.
2953 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2955 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2957 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2959 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cppinit.c (cpp_start_read): Free the imacros list as we
2962 traverse it. Don't free the chains before returning.
2963 (_cpp_push_next_buffer): Only try pushing buffers if we've
2964 completed -imacros handling.
2966 2001-08-31 Eric Christopher <echristo@redhat.com>
2968 * gcc.c (handle_braces): Add explaination for abort.
2970 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2972 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2973 move adjustment of bitpos instead.
2975 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2977 * function.c: Remove all_functions. Make outer_function_chain
2979 (init_function_start): Don't add new function structure to
2981 (find_function_data, push_function_context_to,
2982 pop_function_context_from, put_var_into_stack,
2983 trampoline_address): Update for changed structure element names.
2984 (push_function_context_to): Disentangle.
2985 (free_after_compilation): Also free F.
2986 (expand_dummy_function_end): Don't free cfun here.
2987 (put_var_into_stack): Comment why we can't use find_function_data here.
2988 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2989 (mark_function_chain): Split into maybe_mark_struct_function and
2990 ggc_mark_struct_function. Export the latter.
2991 (init_function_once): Mark from cfun and outer_function_chain;
2994 * function.h (struct function): Kill next_global. Rename next
2995 to outer. All users updated to match.
2996 (all_functions, outer_function_chain): Don't declare.
2998 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2999 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
3000 don't touch f->inlinable, after calling rest_of_compilation.
3002 * tree.h: Forward-declare struct function. Prototype
3003 ggc_mark_struct_function.
3005 2001-08-31 Kazu Hirata <kazu@hxi.com>
3007 * config/h8300/h8300.md (*andorhi3): Fix typos.
3009 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3011 * calls.c (emit_library_call_value): Don't use a fixed
3012 argument after VA_CLOSE, i.e. out of scope in traditional C.
3014 * emit-rtl.c (gen_rtvec): Likewise.
3016 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3018 * Makefile.in (c-pragma.o): Depend on output.h.
3019 (reorg.o): Depend on except.h.
3021 * c-pragma.c: Include output.h.
3023 * reorg.c: Include except.h.
3025 * unwind-dw2.c: Call __builtin_alloca, not alloca.
3027 2001-08-31 Richard Henderson <rth@redhat.com>
3029 * sched-deps.c (add_dependence): Don't elide dependancy if the
3030 conditional used by insn is modified in elem.
3032 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
3034 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
3036 2001-08-31 Diego Novillo <dnovillo@redhat.com>
3038 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
3041 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3043 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
3045 (stormy16_asm_out_constructor): New function.
3046 (TARGET_ASM_CONSTRUCTOR): Define.
3047 (TARGET_ASM_DESTRUCTOR): Define.
3049 2001-08-31 Andreas Jaeger <aj@suse.de>
3051 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
3052 * loop.c (add_label_notes): Likewise.
3053 * reload.c (find_reloads): Likewise.
3054 * config/sh/sh.c (machine_dependent_reorg): Likewise.
3056 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
3058 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
3059 code here. Take _Unwind_{W,Sw}ord*.
3060 (read_encoded_value_with_base): Use them.
3061 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
3063 (extract_cie_info): Simplify read_?leb128 handling.
3064 (execute_stack_op, execute_cfa_program): Likewise.
3065 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
3067 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
3069 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
3070 the frame pointer to pop the stack if convenient.
3072 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
3073 Don't use post-increment before combine.
3074 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
3075 a call-saved register.
3077 2001-08-31 Andreas Jaeger <aj@suse.de>
3079 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
3082 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
3084 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
3085 not DIV/MOD, of course.
3087 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
3089 * rtl.def: Undo my patch commited 2001-08-27.
3091 * genattrtab.c: Ditto.
3095 * sched-int.h: Ditto.
3097 * target-def.h: Ditto.
3101 * haifa-sched.c: Ditto.
3103 * sched-rgn.c: Ditto.
3105 * sched-vis.c: Ditto.
3107 * Makefile.in: Ditto.
3109 * doc/md.texi: Ditto.
3111 * doc/tm.texi: Ditto.
3113 * doc/contrib.texi: Ditto.
3115 * doc/gcc.texi: Ditto.
3117 * genattrtab.h: Remove it.
3119 * genautomata.c: Remove it.
3121 * genattr.c: Undo my patch and Richard Henderson's patch commited
3124 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
3126 * config.gcc (h8300-*-elf*): New case.
3127 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
3128 (SUBTARGET_CPP_SPEC): Define.
3129 (EXTRA_SPECS): Define.
3130 (SUBTARGET_EXTRA_SPECS): Define.
3131 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
3132 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
3134 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
3136 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
3137 (LIB2FUNCS_EXTRA): Define.
3138 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
3139 config/h8300/fixunssfsi.c: New file.
3141 2001-08-30 Kazu Hirata <kazu@hxi.com>
3143 * config/h8300/h8300.md (zero_extendqihi2): Changes to
3144 define_expand to accomodate target-specific attributes.
3145 (anonymous zero_extendqihi2 patterns): New.
3147 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
3149 * h8300.md (*andorhi3): New pattern.
3151 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
3153 * h8300.c (dosize): Fix test for "sub".
3155 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
3157 * c-typeck.c (pointer_diff): Try to eliminate common term before
3160 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
3162 * config/arm/arm.c (arm_compute_initial_elimination_offset):
3163 Account for the saves of the FP registers.
3165 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
3166 (TEXT_SECTION_ASM_OP): Define.
3167 (INIT_SECTION_ASM_OP): Define.
3168 (FINI_SECTION_ASM_OP): Define.
3169 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
3170 (RDATA_SECTION_FUNCITON): Provide prototype.
3172 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
3174 * reload1.c (move2add_note_store): Correct typo checking for
3177 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
3179 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
3180 note should not be considered outside the libcall block.
3182 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3184 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
3186 2001-08-29 Kazu Hirata <kazu@hxi.com>
3188 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
3190 2001-08-29 Kazu Hirata <kazu@hxi.com>
3192 * config/h8300/h8300-protos.h: Add a prototype for
3194 * config/h8300/h8300.c (emit_logical_op): New.
3195 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
3202 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3204 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
3205 comparison with rtx INTVAL.
3206 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
3208 * pa.h (FUNCTION_ARG_SIZE): Likewise.
3210 2001-08-29 Kazu Hirata <kazu@hxi.com>
3212 * config/h8300/lib1funcs.asm: Update the copyright. Fix
3215 2001-08-29 Kazu Hirata <kazu@hxi.com>
3217 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
3218 (reg n) to (mem (pre_dec (reg n))
3219 (anonymous movsi pattern): Likewise.
3221 2001-08-29 Kazu Hirata <kazu@hxi.com>
3223 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
3225 2001-08-29 Kazu Hirata <kazu@hxi.com>
3227 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
3228 several special constants.
3230 2001-08-29 Kazu Hirata <kazu@hxi.com>
3232 * config/h8300/lib1funcs.asm: Fix comment typos.
3234 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3236 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
3237 Fix format specifier warnings.
3239 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
3240 inet_makeaddr, semctl): Prototype.
3242 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
3243 (save_restore_insns): Use base_offset, not gp_offset.
3245 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
3246 (ASM_OUTPUT_BYTE): Fix format specifier warning.
3248 2001-08-29 Richard Henderson <rth@redhat.com>
3250 * bb-reorder.c (function_tail_eff_head): New.
3251 (record_effective_endpoints): Set it.
3252 (fixup_reorder_chain): Use it.
3254 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3256 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
3258 2001-08-28 Dale Johannesen <dalej@apple.com>
3260 * config/darwin.c (machopic_function_base_name): Add const
3261 qualifier to a string.
3262 (darwin_encode_section_info): Ditto.
3264 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3266 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
3267 function definition.
3269 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3271 * df.h (struct df): Add rts_order variable.
3273 * df.c (df_visit_next_rts): New function.
3274 (df_visit_next): Renamed to df_visit_next_rc
3275 (df_analyse_1): Allocate/compute/free rts_order as well.
3276 (df_rd_global_compute): Use df_visit_next_rc instead of
3278 (df_ru_global_compute): Use df_visit_next_rts instead of
3281 * flow.c (flow_reverse_top_sort_order_compute): New function.
3283 * basic-block.h: Add prototype.
3285 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3287 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3288 blocks, the BB_REACHABLE is now set, rather than aux being
3289 non-NULL. Update the test to reflect this.
3291 2001-08-28 Eric Christopher <echristo@redhat.com>
3293 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3294 config/mips/crti.asm: Ditto.
3296 2001-08-28 Eric Christopher <echristo@redhat.com>
3297 Richard Henderson <rth@redhat.com>
3299 * c-pragma.h (add_weak): Move prototype from here...
3300 * output.h (add_weak): ... to here.
3301 * varasm.c (add_weak): Fix typo.
3302 * config/mips/crti.asm: New file.
3303 * config/mips/crtn.asm: Ditto.
3304 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3305 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3306 (INVOKE__main): Ditto.
3307 (INIT_SECTION_ASM_OP): New.
3308 (FINI_SECTION_ASM_OP): Ditto.
3309 (STARTFILE_SPEC): Add crti.
3310 (ENDFILE_SPEC): Add crtn.
3311 * config/mips/elf64.h: Same.
3312 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3314 * config/mips/vxworks.h: Ditto.
3315 * config/mips/t-elf: Support crti and crtn.
3317 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3319 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3322 2001-08-28 Richard Henderson <rth@redhat.com>
3324 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3325 (one_cmplbi2 splitter): Remove redundant test.
3327 2001-08-28 Dale Johannesen <dalej@apple.com>
3329 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3331 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3333 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3335 2001-08-28 Stan Shebs <shebs@apple.com>
3337 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3338 (UNALIGNED_SHORT_ASM_OP): Define.
3339 (UNALIGNED_INT_ASM_OP): Define.
3341 2001-08-28 Will Cohen <wcohen@redhat.com>
3343 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3344 generation for first set.
3346 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3348 * flow.c (redirect_edge_succ_nodup): Return new edge.
3349 (try_simplify_condjump): Use new edge.
3350 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3352 * cse.c (cse_basic_block): Skip note instructions.
3354 2001-08-27 Richard Henderson <rth@redhat.com>
3356 * combine.c (combine_simplify_rtx): Don't reverse condition
3357 if there is no reverse for the condition.
3358 (simplify_comparison): Don't simplify subregs from INT to FP.
3360 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3361 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3362 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3363 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3364 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3365 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3367 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3369 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3370 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3372 (adddi_dilshr32, adddi_dishl32): Only data register can be
3373 source for mem destination.
3375 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3376 and use bitnum to decide about register move.
3378 2001-08-27 Richard Henderson <rth@redhat.com>
3380 * genattr.c (main): Emit state_t even when not doing scheduling.
3382 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3383 Richard Henderson <rth@redhat.com>
3385 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3386 (reg_avail_info, current_bb): ... these.
3387 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3388 (compute_hash_table): Likewise.
3390 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3392 * flow.c (verify_flow_info): Use checksums to verify edges.
3394 2001-08-27 Richard Henderson <rth@redhat.com>
3396 * genautomata.c (expand_automata): Always create a description.
3398 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3400 * optabs.c (expand_binop): Correctly handle the carry in multiword
3401 add/subtract operations.
3403 2001-08-27 Fred Fish <fnf@be.com>
3405 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3408 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3410 * reload.c (find_reloads_toplev): Back out this change:
3412 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3414 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3415 mem if the address is a mode_dependent_address_p.
3417 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3419 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3420 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3421 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3424 * genattr.c (main): New variable num_insn_reservations. Increase
3425 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3426 pipeline hazard recognizer interface.
3428 * genattrtab.h: New file.
3430 * genattrtab.c: Include genattrtab.h.
3431 (attr_printf, check_attr_test, make_internal_attr,
3432 make_numeric_value): Move protypes into genattrtab.h. Define them
3434 (num_dfa_decls): New global variable.
3435 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3436 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3437 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3438 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3440 * genautomata.c: New file.
3442 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3444 * sched-int.h: (curr_state): Add the external definition for
3445 automaton pipeline interface.
3446 (haifa_insn_data): Add comments for members blockage and units.
3448 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3449 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3450 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3451 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3452 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3453 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3454 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3456 (TARGET_SCHED): Use the new macros.
3458 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3459 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3460 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3461 dfa_bubble): New members in gcc_target.sched.
3463 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3464 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3465 (insn_queue): Redefine it as pointer to array.
3466 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3468 (max_insn_queue_index_macro_value): New variable.
3469 (curr_state, dfa_state_size, ready_try): New varaibles for
3470 automaton interface.
3471 (ready_element, ready_remove, max_issue): New function prototypes
3472 for automaton interface.
3473 (choose_ready): New function prototype.
3474 (insn_unit, blockage_range): Add comments.
3475 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3476 FUNCTION_UNITS_SIZE == 0.
3477 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3478 actual_hazard, potential_hazard): Add comments.
3479 (insn_cost): Use cost -1 as undefined value. Remove
3480 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3482 (ready_element, ready_remove): New functions for automaton
3484 (schedule_insn): Add new code for automaton pipeline interface.
3485 (queue_to_ready): Add new code for automaton pipeline interface.
3486 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3487 (debug_ready_list): Print newline when the queue is empty.
3488 (max_issue): New function for automaton pipeline interface.
3489 (choose_ready): New function.
3490 (schedule_block): Add new code for automaton pipeline interface.
3491 Print ready list before scheduling each insn.
3492 (sched_init): Add new code for automaton pipeline interface.
3493 Initiate insn cost by -1.
3494 (sched_finish): Free the current automaton state and finalize
3495 automaton pipeline interface.
3497 * sched-rgn.c: Include target.h.
3498 (init_ready_list, new_ready, debug_dependencies): Add new code for
3499 automaton pipeline interface.
3501 * sched-vis.c: Include target.h.
3502 (get_visual_tbl_length): Add code for automaton interface.
3503 (target_units, print_block_visualization): Add comments.
3505 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3506 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3507 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3508 (getruntime.o, genautomata.o): New entries.
3509 (genattrtab.o): Add new dependency file genattrtab.h.
3510 (genattrtab): Add new dependencies. Link it with `libm.a'.
3511 (getruntime.o, hashtab.o): New entries for canadian cross.
3513 * doc/md.texi: Description of automaton based model.
3515 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3517 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3518 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3519 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3520 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3521 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3522 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3523 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3525 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3526 MAX_DFA_ISSUE_RATE): New macro descriptions.
3528 * doc/contrib.texi: Add dfa based scheduler contribution.
3530 * doc/gcc.texi: Add more information about genattrtab.
3532 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3534 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3537 2001-08-27 Richard Henderson <rth@redhat.com>
3539 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3540 (get_arg_pointer_save_area): New. Create an init it here.
3541 (fix_lexical_addr): Use it.
3542 * function.h: Declare it.
3543 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3544 * stmt.c (expand_nl_goto_receiver): Use it.
3546 2001-08-27 Richard Henderson <rth@redhat.com>
3548 * final.c (final_scan_insn): Don't enter APP_ON mode for
3551 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3552 alignment for assemble_integer for DW_EH_PE_aligned.
3553 * except.c (output_function_exception_table): Likewise.
3555 2001-08-26 Andreas Jaeger <aj@suse.de>
3557 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3559 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3561 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3563 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3565 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3567 (mask64_operand): Likewise.
3568 (rldic_operand): Delete.
3569 (includes_lshift64_p): Delete.
3570 (includes_rldic_lshift_p): New function.
3571 (includes_rldicr_lshift_p): New function.
3572 (print_operand): Don't call rldic_operand in case 'W'.
3573 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3574 (includes_lshift64_p): Remove.
3575 (includes_rldic_lshift_p): Declare.
3576 (includes_rldicr_lshift_p): Declare.
3577 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3578 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3579 Replace match_operand rldic_operand predicate with
3580 const_int_operand. Replace includes_lshift64_p condition with
3581 includes_rldic_lshift_p.
3582 <ashldi3_internal 64 bit rldicr patterns>: New.
3584 2001-08-27 Andreas Jaeger <aj@suse.de>
3586 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3587 * errors.c: Likewise.
3588 * final.c: Likewise.
3589 * dwarf2asm.c: Likewise.
3590 * doprint.c (checkit): Likewise.
3591 * diagnostic.c: Likewise.
3592 * collect2.c: Likewise.
3593 * calls.c: Likewise.
3594 * c-semantics.c (build_stmt): Likewise.
3595 * c-format.c (status_warning): Likewise.
3596 * c-errors.c (pedwarn_c99): Likewise.
3597 * builtins.c (validate_arglist): Likewise.
3598 * config/pj/pj.c (pj_printf): Likewise.
3599 * fix-header.c: Likewise.
3601 * gcov.c (fnotice): Likewise.
3602 * gensupport.c (message_with_line): Likewise.
3603 * mips-tfile.c: Likewise.
3604 * protoize.c (notice): Likewise.
3605 * read-rtl.c (fatal_with_file_and_line): Likewise.
3606 * rtl-error.c: Likewise.
3607 * tradcpp.c: Likewise.
3609 * cp/tree.c (build_min_nt): Likewise.
3610 (build_min): Likewise.
3611 * cp/lex.c: Likewise.
3612 * cp/errfn.c: Likewise.
3613 * cp/rtti.c (create_pseudo_type_info): Likewise.
3615 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3617 * df.c (df_uses_record): Return after recording all uses
3620 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3622 * df.c (df_insn_modify): Realloc the INSN table here, if
3623 necessary, here, too.
3625 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3627 * config/mips/mips.c (mips_function_value): Handle complex return
3630 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3632 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3634 * reload.c (make_memloc): Copy result if it is still
3635 reg_equiv_memory_loc[regno] on return.
3636 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3637 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3638 reg_equiv_mem are modified by the substitutions.
3640 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3642 * predict.c (expensive_function_p): New.
3643 * rtl.h (expensive_function_p): Declare.
3644 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3645 (use_fast_prologue_epilogue): New static variable.
3646 (expand_prologue): Set it; emit short prologues if unset.
3647 (expand_epilogue): Likewise.
3649 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3651 * config.gcc: Add stormy16-*-elf case.
3652 * config/stormy16/stormy-abi: New file.
3653 * config/stormy16/stormy16-lib2.c: New file.
3654 * config/stormy16/stormy16-protos.h: New file.
3655 * config/stormy16/stormy16.c: New file.
3656 * config/stormy16/stormy16.h: New file.
3657 * config/stormy16/stormy16.md: New file.
3658 * config/stormy16/t-stormy16: New file.
3660 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3662 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3664 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3666 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3667 descriptor members are pointer size, not constant 4.
3668 * config/rs6000/rs6000.md (define_splits): Remove more unused
3671 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3673 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3675 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3677 * cp/rtti.c (VPARAMS): Fix parameter.
3679 2001-08-24 Zack Weinberg <zackw@panix.com>
3681 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3683 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3685 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3686 in if controlling use of insv.
3687 (extract_bit_field): Likewise, for extv and extzv.
3689 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3691 * i386.md (movcc peep2): Fix load of 0.
3693 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3696 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3698 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3700 * c-pragma.h: Move weak_syms and weak_decls...
3701 * varasm.c: ...here. Now static.
3702 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3703 depend on HANDLE_PRAGMA_WEAK.
3705 * c-common.c (c_alignof, c_alignof_expr): Move here...
3706 * c-typeck.c: ...from here.
3707 * c-tree.h, c-common.h: Adjust.
3709 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3711 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3712 instead of incrementing it.
3714 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3715 asm ready, don't try to move them all into the same array element.
3717 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3719 * function.c (thread_prologue_and_epilogue_insns): Avoid
3720 fallthru flag on edge to exit.
3722 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3724 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3727 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3729 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3730 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3731 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3734 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3736 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3737 replace "GNU CC" with "GCC".
3739 2001-08-23 Richard Henderson <rth@redhat.com>
3741 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3742 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3743 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3744 Need GR between FR and not GR_AND_FR.
3745 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3746 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3747 AR regs before GR regs.
3748 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3749 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3750 (REGISTER_MOVE_COST): Update.
3751 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3753 2001-08-23 Richard Henderson <rth@redhat.com>
3755 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3758 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3760 * reload1.c (emit_reload_insns): Don't look for notes
3761 on a NULL store_insn.
3763 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3765 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3766 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3767 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3768 format specifier warnings.
3769 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3771 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3773 * config/i386/i386-protos.h: Correct declaration of
3774 i386_pe_asm_named_section.
3776 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3778 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3780 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3782 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3784 * cpperror.c (print_location): Don't show _Pragma.
3785 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3786 and file change callback generation here.
3787 (stack_include_file): Update use of cpp_push_buffer.
3788 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3789 (struct cpp_buffer): Remove type, pfile members.
3790 * cppinit.c (cpp_handle_option): Use free_chain.
3791 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3792 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3793 a cpp_reader rather than a cpp_buffer.
3794 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3795 skip_line_comment, parse_string, lex_percent, lex_dot,
3796 _cpp_lex_token): Update accordingly.
3797 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3799 (cpp_push_buffer): Update prototype.
3800 (run_directive): Update use of cpp_push_buffer.
3801 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3802 handle_assertion): Update use of run_directive.
3803 * cpplib.h (enum cpp_buffer_type): Remove.
3804 (cpp_push_buffer): Update prototype.
3805 * fix-header.c (read_scan_file): Update.
3807 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3809 * gcc.c (struct prefix_list): Change prefix to const char *.
3811 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3813 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3815 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3817 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3820 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3823 * ifcvt.c (dead_or_predicable): Adjust.
3824 * loop.c (find_and_verify_loops): Adjust.
3825 * stmt.c (expand_end_case): Adjust.
3826 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3827 head and end insn pointers in the basic block, not just local copies.
3828 (merge_blocks_move_predecessor_nojumps): Likewise.
3830 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3832 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3833 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3834 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3835 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3836 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3837 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3838 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3839 conditions.h, config.gcc, configure.frag, configure.in,
3840 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3841 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3842 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3843 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3844 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3845 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3846 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3847 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3848 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3849 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3850 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3851 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3852 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3853 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3854 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3855 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3856 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3857 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3858 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3859 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3860 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3861 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3862 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3863 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3864 params.h, predict.c, predict.def, predict.h, prefix.c,
3865 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3866 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3867 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3868 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3869 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3870 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3871 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3872 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3873 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3874 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3875 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3876 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3877 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3878 xcoffout.h: replace "GNU CC" with "GCC".
3880 2001-08-21 Richard Henderson <rth@redhat.com>
3882 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3883 (final_scan_insn): Consider jump tables data even if we have no
3884 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3886 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3887 (ASM_OUTPUT_CASE_END): Remove.
3888 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3889 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3890 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3892 2001-08-21 Richard Henderson <rth@redhat.com>
3894 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3895 at barrier insns. Emit stop bits before barriers.
3897 * flow.c (flow_find_cross_jump): Don't consider unconditional
3898 return insns for commoning.
3900 * final.c (compute_alignments): Fix typo.
3902 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3903 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3904 (store_bit_field): Use mode_for_extraction more places.
3905 (extract_bit_field): Likewise.
3907 2001-08-21 Zack Weinberg <zackw@panix.com>
3909 * caller-save.c: Don't include insn-codes.h.
3910 (reg_save_code, reg_restore_code): Make arrays of int.
3911 All uses updated to match.
3912 (insert_save, insert_restore): No need to initialize "code"
3913 variable upon declaration.
3914 * Makefile.in: update dependencies; fix typo in clean rule.
3916 2001-08-21 Richard Henderson <rth@redhat.com>
3918 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3919 (merge_if_block): Handle fallout from same.
3921 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3923 * builtins.c (type_to_class): Fix typo in last change.
3925 2001-08-21 Richard Henderson <rth@redhat.com>
3927 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3928 ia64_asm_output_label.
3930 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3931 copy of gp while the real gp register contains garbage.
3933 2001-08-21 Zack Weinberg <zackw@panix.com>
3935 * expmed.c (mode_for_extraction): New function.
3936 (store_bit_field, extract_bit_field): Use it.
3937 * expr.h: Prototype it and provide an enum for its first argument.
3939 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3940 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3941 and digging through the insn_data tables.
3942 * Makefile.in: Update dependencies.
3944 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3946 * cppfiles.c (stack_include_file): line-map.c now handles include
3948 (handle_missing_handler): Similarly.
3949 (_cpp_execute_include): Similarly.
3950 (_cpp_pop_file_buffer): Similarly.
3951 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3952 buffer_stack_depth and include_depth.
3953 * cpplib.c (do_include_common): line-map.c now handles include depth.
3954 (cpp_push_buffer): Similarly.
3955 (_cpp_pop_buffer): Similarly.
3956 * cppmacro.c (builtin_macro): Update.
3957 * line-map.c (init_line_maps): Set depth.
3958 (add_line_map): Increment "used" earlier. Update and use the
3960 (trace_include): Use the include depth.
3961 * line-map.h (struct line_maps): New member depth.
3963 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3965 * cppfiles.c (stack_include_file): Don't handle -H here.
3966 * cppinit.c (cpp_start_read): Set include tracing after
3967 cpp_post_options and after stacking the main file.
3968 * line-map.c (trace_include): New.
3969 (init_line_maps, add_line_map): Update.
3970 * line-map.h (struct line_maps): New member trace_includes.
3972 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3975 * cppfiles.c (stack_include_file): Only stack a file if there
3976 is something to do. Return a boolean indicating whether a
3977 buffer was stacked or not.
3978 (_cpp_execute_include): Similarly.
3979 (_cpp_read_file): Similarly.
3980 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3982 2001-08-21 Sam Steingold <sds@gnu.org>
3984 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3985 (RECACHE): keep obufp_before_macroname up to date
3987 2001-08-21 Zack Weinberg <zackw@panix.com>
3989 * stmt.c: Don't include insn-codes.h.
3990 (expand_end_case): Machine specific logic moved to expr.c.
3991 No need to worry about __builtin_classify_type.
3992 (check_for_full_enumeration_handling, emit_case_nodes):
3995 * builtins.o (expand_builtin_classify_type): Split up so code
3996 can be shared with fold_builtin_classify_type.
3997 (type_to_class, fold_builtin_classify_type): New functions.
3998 (fold_builtins): Handle __builtin_classify_type.
4000 * expr.c (do_tablejump): Now static.
4001 (case_values_threshold, try_casesi, try_tablejump): New;
4002 code mostly from stmt.c (expand_end_case).
4003 (expr.h): Update prototypes.
4005 * Makefile.in (stmt.o): Update dependencies.
4007 2001-08-21 Will Cohen <wcohen@redhat.com>
4009 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
4010 declaration of variable i.
4011 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
4012 declaration of variable i.
4014 2001-08-21 Richard Henderson <rth@redhat.com>
4016 * crtstuff.c: Fix thinko last change. Move list tails to start
4017 of CRT_END section. Tidy ifdefs.
4018 (__EH_FRAME_BEGIN__): Always static for ELF.
4019 (__do_global_ctors_1): Rename from __frame_dummy.
4020 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
4021 name change; don't hide __EH_FRAME_BEGIN__.
4023 2001-08-21 Richard Henderson <rth@redhat.com>
4025 * gdbinit.in: Move break on exit after break on fancy_abort.
4027 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
4030 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
4032 * cpphash.h (_cpp_push_next_buffer): New.
4033 * cppinit.c (do_includes): Remove.
4034 (push_include, free_chain, _cpp_push_next_buffer): New.
4035 (cpp_start_read): Use them to rework command line option handling.
4036 (cpp_handle_option): Combine handling of -include and -imacros.
4037 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
4038 appropriate. Always insert missing \n at EOF.
4039 * cpplib.c (start_directive): Get the directive position right.
4040 * cppmain.c (cb_file_change): Always print the first line, unless
4043 2001-08-20 Andreas Jaeger <aj@suse.de>
4045 * profile.c (compute_branch_probabilities): Remove extra new-line
4047 * flow.c (verify_flow_info): Likewise.
4049 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4051 * basic-block.h (basic_block): Add new field 'flags'.
4052 (BB_REACHABLE): Define.
4053 (expunge_block): Declare.
4054 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
4055 (EXIT_BLOCK_PTR): Ditto.
4056 (expunge_block): Remove static declaration.
4057 (cleanup_cfg): Clear bb->aux on every basic block.
4058 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
4059 computing reachability.
4060 (delete_unreachable_blocks): Delete block b if b->flags has
4063 2001-08-20 Diego Novillo <dnovillo@redhat.com>
4065 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
4067 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4069 * sparc.c (sparc_variable_issue): Fix typo in last change.
4071 2001-08-20 Richard Henderson <rth@redhat.com>
4073 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
4075 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
4077 * pa.h (RETURN_IN_MEMORY): Improve comment.
4079 2001-08-20 Janis Johnson <janis187@us.ibm.com>
4081 * doc/invoke.texi (Profiling options): Clarify the interactions
4082 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
4084 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
4086 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
4089 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4091 * gcc.c (make_relative_prefix): Allocate a sufficiently large
4094 2001-08-20 Richard Henderson <rth@redhat.com>
4096 * final.c (end_final): Fix typo last change.
4098 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
4100 * cppinit.c (init_standard_includes): The returned buffer
4101 is already malloc-ed.
4102 * gcc.c (add_prefix): Similarly.
4103 * prefix.c (translate_name): Update to support clear buffer
4105 (update_path): Similarly. Be sure to free any newly allocated
4106 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
4108 * prefix.h (update_path): Update prototype and document.
4109 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
4110 up and update to new buffer ownership rules.
4111 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
4113 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4115 * final.c (compute_alignments): New function.
4116 (init_insn_lengths): Do not care label_align.
4117 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
4118 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
4119 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
4120 (shorted_branches): Realloc label_align array; do
4121 not call init_insn_lengths; Do not care about loop alignments.
4122 * output.h (compute_alignments): Declare.
4123 * toplev.c (rest_of_compilation): Call compute_alignments.
4124 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
4126 * predict.c (block_info_def): Add npredecesors, remove nvisited;
4127 change visited to tovisit.
4128 (propagate_freq): Use faster traversing algorithm.
4129 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
4130 to tovisit; reverse meaning.
4132 * predict.c (struct block_info_def): Remove nvisited.
4133 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4134 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4136 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
4138 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
4139 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
4140 (TARGET_FUSED_MADD): New.
4141 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
4142 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
4143 the multiply-add instructions.
4145 2001-08-19 Richard Henderson <rth@redhat.com>
4147 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
4148 is aligned to pointer size.
4150 2001-08-19 Richard Henderson <rth@redhat.com>
4152 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
4153 display markers during final schedule.
4155 2001-08-19 Richard Henderson <rth@redhat.com>
4157 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
4159 2001-08-19 Richard Henderson <rth@redhat.com>
4161 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
4163 (ASM_NAME_TO_STRING): Remove.
4164 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
4165 in the same string. Remove support for expressions.
4167 2001-08-19 Richard Henderson <rth@redhat.com>
4169 * config/i386/i386.md (tablejump): Make an expander; handle
4170 pic relative addressing here.
4171 (tablejump_1): Rename from tablejump_pic.
4174 2001-08-19 Richard Henderson <rth@redhat.com>
4176 * regclass.c (fix_register): Fix typo.
4178 2001-08-18 Richard Henderson <rth@redhat.com>
4180 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
4181 (struct _Unwind_Context): Expand br_loc to hold it.
4182 (uw_frame_state_for): Handle leaf functions better.
4183 (uw_update_reg_address): Update for br_loc change.
4185 2001-08-18 Richard Henderson <rth@redhat.com>
4187 * crtstuff.c: Move list heads before code that uses them.
4188 (__JCR_LIST__): Remove initial null.
4189 (frame_dummy, __frame_dummy): Do java registration here ...
4190 (__do_global_ctors_aux): ... not here.
4192 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
4193 (__do_global_dtors_aux): Update to match.
4194 (__JCR_LIST__, __do_jv_register_classes): New.
4196 * config/ia64/crtend.asm (__JCR_END__): New.
4197 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
4198 instead of an indirect LTOFF22 reloc.
4200 2001-08-18 Richard Henderson <rth@redhat.com>
4202 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
4203 * regclass.c (init_reg_sets_1): Fix typo.
4204 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
4205 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
4206 (ia64_compute_frame_size): Make ar.unat live when in use.
4207 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
4208 for ar.pfs; remove ar.unat handling.
4209 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
4211 (PREDICATE_CODES): Add ar_pfs_reg_operand.
4212 * config/ia64/ia64-protos.h: Update decls.
4213 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
4214 (sibcall_pic): Likewise.
4216 2001-08-18 Richard Henderson <rth@redhat.com>
4218 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
4219 pred_rel_mutex when searching for insn_group_barrier.
4220 * config/ia64/ia64.md (cycle_display): Combine the expander
4223 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
4224 bit before asm as needed.
4226 2001-08-18 Richard Henderson <rth@redhat.com>
4228 * timevar.def (TV_MACH_DEP): New.
4229 * toplev.c (rest_of_compilation): Use it.
4230 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
4232 2001-08-18 Zack Weinberg <zackw@panix.com>
4234 * unwind-dw2.c (execute_stack_op): Add default aborts to
4235 the inner switches to prevent warnings.
4237 2001-08-18 Richard Henderson <rth@redhat.com>
4239 * timevar.h (struct timevar_time_def): Change element type to float.
4240 (ticks_to_msec, clocks_to_msec): Likewise.
4241 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
4242 (get_time): Likewise.
4243 (timevar_print): Adjust zero check and printing to match.
4245 2001-08-18 Zack Weinberg <zackw@panix.com>
4247 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
4248 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
4249 Eliminate overfull or underfull hboxes.
4251 2001-08-18 Zack Weinberg <zackw@panix.com>
4253 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
4255 2001-08-18 Zack Weinberg <zackw@panix.com>
4257 * haifa-sched.c: Convert to target hooks. Macros replaced
4258 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
4259 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
4260 MD_SCHED_FINISH, and HAVE_cycle_display.
4261 * target-def.h (TARGET_SCHED_ADJUST_COST,
4262 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
4263 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
4264 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
4265 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
4266 New hook #defines to be overridden.
4267 (TARGET_SCHED): Bring them all together.
4268 (TARGET_INITIALIZER): Update.
4269 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
4270 instead of 'struct rtx_def *' throughout.
4271 (struct sched): New set of hooks for the scheduler.
4272 * Makefile.in (haifa-sched.o): Depend on target.h.
4273 * doc/tm.texi: Document the new scheduler hooks, together in
4274 their own section, instead of scattered around.
4275 Fix a bunch of underfull/overfull hboxes.
4277 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4278 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4279 sparc.h: Don't define any of the old scheduler macros.
4281 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4282 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4283 sparc.c: Create hook functions from code extracted from
4284 corresponding target header, or make existing hooks static, as
4285 appropriate. Set the appropriate entries in targetm.
4287 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4288 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4289 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4290 Remove prototypes for functions which are now static.
4292 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4293 related gunk; the Haifa scheduler is now the only choice.
4295 2001-08-18 Zack Weinberg <zackw@panix.com>
4297 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4298 * genopinit.c: Put floating point divide insns in sdiv_optab.
4299 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4300 * config/gofast.h, config/c4x/c4x.h,
4301 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4302 config/pa/long_double.h, config/rs6000/sysv4.h,
4303 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4304 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4305 (init_optabs): Use init_optabv for overflow-trapping optabs.
4306 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4307 cmp_optab RTX codes so have_insn_for can find them.
4309 * optabs.c (expand_simple_binop, expand_simple_unop,
4310 have_insn_for, gen_sub3_insn): New interfaces.
4311 * expr.h: Prototype new functions.
4312 (enum optab_methods): Move here from optabs.h.
4314 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4315 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4316 Use new functions instead of working directly with optabs.
4317 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4318 unroll.c: Don't include optabs.h.
4319 * caller-save.c, combine.c, function.c, stmt.c: Just include
4320 insn-codes.h, not optabs.h.
4321 * Makefile.in: Update dependencies.
4323 * combine.c (make_compound_operation, simplify_comparison):
4324 Fix typos testing for this or that instruction.
4326 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4328 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4329 generating libgcc.a.
4331 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4333 * except.c (TYPE_HASH): Delete.
4335 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4338 * tree.c (TYPE_HASH): Delete.
4340 * tree.h (TYPE_HASH): Define.
4342 2001-08-18 Graham Stott <grahams@redhat.com>
4344 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4346 (adddi3_internal_2+2): Likewise.
4347 (eh_set_lr_di+1): Likewise.
4349 2001-08-17 Richard Henderson <rth@redhat.com>
4351 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4352 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4353 * dwarf2asm.c: ... here.
4354 * dwarfout.c: Remove them.
4356 * varasm.c (assemble_integer): Add align parameter.
4357 (assemble_real, output_constant, output_constructor): Likewise.
4358 * output.h: Update decls.
4359 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4360 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4361 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4362 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4363 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4366 * final.c (end_final): Abort profile block generation if we
4367 havn't layed it out properly.
4368 * output.h (assemble_eh_integer): Remove stale decl.
4369 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4371 (assemble_integer): Handle unaligned data.
4372 (assemble_real): Abort on unaligned data.
4373 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4375 (default_dtor_section_asm_out_destructor): Use assemble_align.
4376 (default_named_section_asm_out_constructor): Likewise.
4377 (default_ctor_section_asm_out_constructor): Likewise.
4378 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4379 (machopic_asm_out_destructor): Likewise.
4380 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4381 (nextstep_asm_out_destructor): Likewise.
4382 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4383 (vms_asm_out_destructor): Likewise.
4385 2001-08-17 Richard Henderson <rth@redhat.com>
4387 * config/mips/iris6.h (TARGET_IRIX6): New.
4388 (current_section_name, current_section_flags): New.
4389 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4390 (MAX_OFILE_ALIGNMENT): New.
4391 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4392 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4393 (copy_file_data): Split out from
4394 (mips_asm_file_end): ... here.
4395 (mips_asm_file_start): Remove extra .section directive. Use
4396 tmpfile instead of mips_make_temp_file.
4397 (mips_unique_section): Use const char * as needed for warnings.
4398 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4399 re-add align parameter.
4400 (iris6_asm_named_section): New.
4401 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4402 (iris6_asm_output_align, iris6_section_align_1): New.
4403 (iris6_asm_file_start, iris6_asm_file_end): New.
4404 * config/mips/mips-protos.h: Update decls.
4406 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4408 * doc/install.texi (Install GCC): Add links to build status pages.
4410 (Final install): Ditto; request updates for specific info
4412 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4414 * cpperror.c (print_location): Don't take a file name; use the
4416 (_cpp_begin_message): Similarly.
4417 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4418 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4419 (cpp_pedwarn_with_file_and_line): Remove.
4420 * cppfiles.c (stack_include_file): Update; set filename to stdin
4421 here when appropriate.
4422 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4423 (_cpp_begin_message): Don't take a file name.
4424 * cppinit.c: Add comment.
4425 * cpplex.c: Fix end-of-directive indicator.
4426 * cpplib.c: Don't include intl.h.
4427 (run_directive, do_diagnostic): Update.
4428 (do_line): Update to not use nominal_fname.
4429 (cpp_push_buffer): Don't take a filename.
4430 * cpplib.h (struct ht): Remove.
4431 (cpp_push_buffer): Don't take a filename.
4432 (cpp_pedwarn_with_file_and_line): Remove.
4433 * cppmacro.c (struct cpp_macro): Remove file.
4434 (builtin_macro): Update.
4435 (_cpp_create_definition): Update.
4436 * cppmain.c: Correct comment.
4437 * fix-header.c (read_scan_file): Update.
4439 2001-08-17 Kazu Hirata <kazu@hxi.com>
4441 * sbitmap.c: Fix comment formatting.
4442 * sched-deps.c: Likewise.
4443 * sibcall.c: Likewise.
4444 * simplify-rtx.c: Likewise.
4446 * ssa-ccp.c: Likewise.
4447 * stor-layout.c: Likewise.
4448 * timevar.c: Likewise.
4449 * toplev.c: Likewise.
4450 * unwind-dw2.c: Likewise.
4451 * unwind-dw2-fde.c: Likewise.
4452 * varasm.c: Likewise.
4454 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4456 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4457 or larger than an integer in memory.
4459 2001-08-17 Zack Weinberg <zackw@panix.com>
4461 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4462 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4463 * rtl.h: Don't forward-declare union tree_node here. Don't
4464 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4465 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4466 and tree respectively.
4467 * tree.h: Don't forward-declare struct rtx_def here. Don't
4468 typedef tree here. Change all uses of struct rtx_def *,
4469 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4470 and tree respectively.
4472 2001-08-17 Richard Henderson <rth@redhat.com>
4474 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4475 config/mips/openbsd.h: Fix typos last change.
4477 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4479 * doc/invoke.texi (Optimize Options): The default for
4480 -finline-limit is 600.
4482 2001-08-17 Richard Henderson <rth@redhat.com>
4484 * varasm.c (text_section): Allow TEXT_SECTION to override the
4485 printing of TEXT_SECTION_ASM_OP.
4486 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4487 (DATA_SECTION, BSS_SECTION): Remove.
4488 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4489 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4490 Rename from s/_NAME//.
4491 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4492 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4493 (TEXT_SECTION): ... here. New.
4494 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4495 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4496 * config/mips/openbsd.h: Likewise.
4497 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4498 (mips_asm_file_end): Likewise test.
4499 (mips_output_function_epilogue): Likewise. Switch back to data
4500 section after emitting the function.
4502 * doc/tm.texi (Sections): Document TEXT_SECTION.
4504 2001-08-17 Richard Henderson <rth@redhat.com>
4506 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4507 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4509 2001-08-17 Richard Henderson <rth@redhat.com>
4511 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4512 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4513 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4514 Add aligned attribute.
4516 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4518 * config/sh/sh.md: Add modes to unspecs in first insn to match
4519 those in the second.
4521 * Makefile.in: Fix collect2 copy for Cygwin.
4523 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4525 Install the proper patch.
4526 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4527 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4528 (expand_function_start): Likewise.
4529 * stmt.c (expand_decl): Likewise.
4530 * varasm.c (make_decl_rtx): Likewise.
4532 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4534 * final.c: Undo my previous accidental checkin.
4535 * output.h: Likewise.
4536 * tm.texi: Likewise.
4538 2001-08-16 Richard Henderson <rth@redhat.com>
4540 * varasm.c (named_section_flags): Remove align parameter.
4541 * varasm.c, dwarf2out.c: Update all callers.
4542 * output.h: Update prototypes.
4544 * target.h (target.asm_out.named_section): Remove align parameter.
4545 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4546 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4547 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4548 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4549 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4551 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4552 (get_named_section_flags, set_named_section_flags): New.
4553 (named_section_flags): Use them.
4554 (named_section): Do decl vs section flags check here...
4555 (default_section_type_flags): ... not here.
4556 (init_varasm_once): Create in_named_htab.
4557 (resolve_unique_section): Mark reloc unused.
4559 2001-08-16 Richard Henderson <rth@redhat.com>
4561 * varasm.c (force_const_mem): Keep pool alignment in bits.
4562 (output_constant_pool): Use assemble_align.
4564 2001-08-16 Zack Weinberg <zackw@panix.com>
4566 * doc/tm.texi: Remove extra @table command.
4568 2001-08-16 Zack Weinberg <zackw@panix.com>
4570 * final.c (shorten_branches): Clear the end of the label_align
4571 array only if we made it larger. Break up messy expressions
4574 * diagnostic.c (internal_error): Check for error recursion
4575 before doing ICE suppression.
4577 * timevar.c: Timing variables now count in milliseconds.
4578 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4579 (get_time): Not here.
4580 (timevar_print): Don't print any timer whose user, cpu, and
4581 wall times are all zero as displayed.
4582 * timevar.h: Update comment aboout units. Make timevar
4585 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4587 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4588 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4589 (expand_function_start): Likewise.
4590 * stmt.c (expand_decl): Likewise.
4591 * varasm.c (make_decl_rtx): Likewise.
4593 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4595 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4596 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4598 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4600 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4603 2001-08-16 Andreas Jaeger <aj@suse.de>
4605 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4608 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4610 * rtl.h (only_sets_cc0_p): New prototype.
4611 * jump.c (sets_cc0_p): Handle INSN.
4612 (only_sets_cc0_p): New function.
4613 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4614 (tidy_fallthru_edge): Likewise.
4615 * integrate.c (copy_insn_list): Likewise.
4616 * unroll.c (unroll_loop): Likewise.
4617 (copy_loop_body): Likewise.
4619 2001-08-15 Jason Eckhardt <jle@redhat.com>
4621 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4623 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4625 * predict.c (struct block_info_def): Remove nvisited.
4626 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4627 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4629 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4630 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4633 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4635 * predict.def: Update hitrates.
4637 2001-08-15 Richard Henderson <rth@redhat.com>
4639 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4641 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4643 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4644 note from its associated jump.
4646 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4648 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4649 also on 64-bit s390x targets.
4651 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4653 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4655 (arm_expand_prologue): Handled nested functions which take a
4656 variable argument list.
4657 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4658 macro with an invocation of
4659 arm_compute_initial_elimination_offset.
4660 * config/arm/arm-protos.h: Prototype
4661 arm_compute_initial_elimination_offset.
4663 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4665 * doc/install.texi (Specific, avr): Fix markup.
4666 (Specific, c4x): Ditto.
4668 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4670 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4672 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4674 * Makefile.in (OBJS): Add rtl-error.o
4675 (rtl-error.o): New rule.
4676 (diagnostic.o): Adjust dependency.
4677 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4678 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4679 warning_for_asm): Move to...
4680 rtl-error.c: ...here. New file.
4682 2001-08-14 Richard Henderson <rth@redhat.com>
4684 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4685 if USING_SJLJ_EXCEPTIONS.
4687 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4689 * tlink.c (scan_linker_output): Check string for unsatisfied in
4690 addition to undefined and unresolved.
4692 2001-08-14 Graham Stott <grahams@redhat.com>
4694 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4695 EH_FRAME_SECTION_NAME.
4697 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4699 * genattrtab.c (simplify_test_exp_in_temp): New function.
4700 (simplify_test_exp): Avoid explicit use of temporary obstack.
4701 (simplify_cond, insert_right_side, evaluate_eq_attr,
4702 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4703 Use simplify_test_exp_in_temp.
4704 (optimize_attrs): Iterate until expression stabilizes.
4706 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4708 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4709 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4711 2001-08-13 Richard Henderson <rth@redhat.com>
4713 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4714 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4715 * config/arm/conix-elf.h: Likewise.
4717 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4719 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4721 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4723 * gcse.c (hash_scan_set): Expressions that are set as part of
4724 jump instructions are not available.
4726 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4728 * config/s390/s390.c (print_operand, s390_function_prologue,
4729 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4731 2001-08-13 Richard Henderson <rth@redhat.com>
4733 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4734 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4735 * doc/tm.texi (Exception Region Output): Document it.
4737 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4739 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4740 DWARF2 instead of stabs by default.
4742 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4744 * config/rs6000/rs6000.c: Include optabs.h.
4746 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4748 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4749 save/restore routines.
4750 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4752 2001-08-13 Andreas Jaeger <aj@suse.de>
4754 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4755 the english is correct.
4757 2001-08-13 Zack Weinberg <zackw@panix.com>
4759 * expr.h: Split out optab- and libfunc-related code to...
4760 * optabs.h, libfuncs.h: ... these new headers.
4762 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4764 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4766 * mkconfig.sh: Don't include insn-codes.h from config.h.
4768 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4769 enum insn_code is available. Move reload_in_optab and
4770 reload_out_optab array declarations to optabs.h.
4771 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4772 there, prototype in expr.h.
4773 * gencodes.c: Cleanup: zap global variables, don't use
4774 printf where puts will do, don't bother defining MAX_INSN_CODE
4775 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4777 * genemit.c, genopinit.c: Include optabs.h in generated file.
4778 * genoutput.c: Include insn-codes.h in generated file.
4779 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4780 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4781 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4782 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4783 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4784 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4786 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4787 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4788 config/m88k/m88k.c, config/sparc/sparc.c:
4790 * reload.c: Include expr.h and optabs.h before reload.h.
4791 * config/alpha/alpha.c: Include tree.h before reload.h.
4792 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4793 and reload.h in that order.
4794 * config/sparc/sparc.c: Include debug.h.
4795 * recog.c: Include insn-codes.h.
4797 2001-08-13 Andreas Jaeger <aj@suse.de>
4799 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4802 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4804 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4805 * gcc.c (init_spec): Fix typo in comment.
4806 * varasm.c (data_section): Fix typo in comment.
4808 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4810 * predict.c (dump_prediction): New argument "USED".
4811 (combine_predictions_for_insn): Determine the used heuristics,
4812 output the case no heuristic applied.
4813 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4815 2001-08-13 Andreas Jaeger <aj@suse.de>
4817 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4820 2001-08-13 Kazu Hirata <kazu@hxi.com>
4822 * jump.c: Fix formatting.
4824 2001-08-13 Kazu Hirata <kazu@hxi.com>
4826 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4829 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4831 * loop.c (check_dbra_loop): Use condjump_label to compute
4834 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4835 to better document the files they're in.
4837 2001-08-12 Zack Weinberg <zackw@panix.com>
4839 * recog.h (struct insn_operand_data): Shrink 'mode' field
4842 2001-08-12 Kazu Hirata <kazu@hxi.com>
4844 * gcc.c: Fix comment formatting.
4845 * gccspec.c: Likewise.
4848 * genemit.c: Likewise.
4849 * gengenrtl.c: Likewise.
4850 * genrecog.c: Likewise.
4851 * gensupport.c: Likewise.
4852 * ggc-page.c: Likewise.
4853 * global.c: Likewise.
4854 * graph.c: Likewise.
4855 * ifcvt.c: Likewise.
4856 * integrate.c: Likewise.
4858 * libgcc2.c: Likewise.
4860 * mbchar.c: Likewise.
4861 * optabs.c: Likewise.
4862 * predict.c: Likewise.
4863 * prefix.c: Likewise.
4864 * profile.c: Likewise.
4865 * protoize.c: Likewise.
4867 * recog.c: Likewise.
4868 * regclass.c: Likewise.
4869 * regmove.c: Likewise.
4870 * reg-stack.c: Likewise.
4871 * reload1.c: Likewise.
4872 * resource.c: Likewise.
4873 * rtlanal.c: Likewise.
4876 2001-08-12 Kazu Hirata <kazu@hxi.com>
4878 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4879 a tree representing a constant is passed to the macro.
4881 2001-08-12 Richard Henderson <rth@redhat.com>
4883 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4884 (rs6000_elf_asm_out_destructor): New.
4885 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4886 (DTORS_SECTION_ASM_OP): Remove.
4887 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4888 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4890 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4893 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4894 * gcc.c (set_collect_gcc_options): New function, split out from
4896 Ignore elided switches.
4897 (do_spec_1): Invoke before executing command.
4898 (set_input): Export.
4899 Move declaration ...
4900 * gcc.h (set_input): ... here.
4901 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4904 2001-08-12 Richard Henderson <rth@redhat.com>
4906 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4907 thinko wrt TARGET_RELOCATABLE.
4909 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4911 * fix-header.c (cb_file_change): Update prototype.
4913 2001-08-11 Zack Weinberg <zackw@panix.com>
4915 * toplev.c (set_float_handler): Make static.
4916 * toplev.h: Don't prototype set_float_handler.
4918 * simplify-rtx.c: Don't include setjmp.h.
4919 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4921 (simplify_unary_operation, simplify_binary_operation): Use them,
4922 via do_float_handler.
4924 * fold-const.c: Don't include setjmp.h.
4925 (exact_real_inverse_1): New function.
4926 (exact_real_inverse): Use it, via do_float_handler.
4928 * varasm.c: Don't include setjmp.h.
4929 (assemble_real_1): New function.
4930 (assemble_real): Use it, via do_float_handler.
4931 Call internal_error if we get a trap here.
4933 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4934 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4936 2001-08-11 Zack Weinberg <zackw@panix.com>
4938 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4939 STACK_BOUNDARY if not already defined.
4941 * calls.c, function.c, reload1.c, explow.c: Don't default
4942 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4943 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4945 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4948 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4949 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4951 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * cppmacro.c (enter_macro_context): Push macro expansions even
4956 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4958 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4959 (rs6000_elf_section_type_flags): Actually return a value.
4961 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4963 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4964 Clean up code: add missing comments and prototypes, fix warnings,
4965 remove obsolete code, fix spacing to conform to coding style.
4967 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4969 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4970 and TARGET_ASM_CLOSE_PAREN.
4971 (regclass_map): CC register belongs to class NO_REGS.
4972 (legitimize_pic_address): Don't generate unnecessary moves
4973 (to avoid confusing loop optimization).
4974 (check_and_change_labels): Replace jump_long by indirect_jump.
4975 (s390_final_chunkify): Don't start a new literal pool on section
4976 switch in 64-bit code.
4977 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4979 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4980 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4981 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4983 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4984 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4985 (CONST_COSTS): Fixed incorrect costs.
4987 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4988 Use emit_jump instead of emit_jump_insn (gen_jump).
4989 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4990 (to avoid confusing flow analysis).
4991 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4992 (casesi, casesi_jump): New.
4993 (jump_long): Removed. Functionality merged into indirect_jump.
4994 (indirect_jump): Accept address_operand, not just register_operand.
4995 (cjump_long, icjump_long): Use same logic as indirect_jump.
4996 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4997 Fixed broken setjmp/longjmp handling.
4998 (do_builtin_setjmp_setup): Removed.
5000 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
5001 broken GNU as versions that don't accept .quad with large
5002 negative values. Use hexadecimal output instead.
5003 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
5004 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
5005 FUNCTION_EPILOGUE): Removed. Now in targetm.
5007 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
5009 * config/s390/fixdfdi.h: Add missing copyright statement.
5010 Fix type conflicts on 64-bit. Add missing SFmode routines.
5012 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
5015 2001-08-11 Richard Henderson <rth@redhat.com>
5017 * rtl.h (REG_EH_RETHROW): Remove.
5018 * rtl.c (reg_note_name): Update.
5019 * combine.c (distribute_notes): Don't check for it.
5021 2001-08-11 Richard Henderson <rth@redhat.com>
5023 * combine.c (distribute_notes): Place REG_SETJMP.
5025 2001-08-11 Richard Henderson <rth@redhat.com>
5027 * doc/extend.texi (Arrays and pointers implementation): Discourage
5028 relying on sign-extension of pointers.
5030 2001-08-11 H.J. Lu <hjl@gnu.org>
5032 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
5034 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
5035 RDATA_SECTION_ASM_OP.
5037 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5039 * doc/install.texi (Specific, c4x): Fix cross-reference to the
5040 main manual to work both for info and HTML versions.
5042 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5043 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5045 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
5046 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
5047 (struct cpp_pool): New member first.
5048 * cppinit.c (append_include_chain): Plug memory leaks.
5049 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
5050 Allocate pragma structures from the (aligned) macro pool to
5051 avoid leaking memory.
5052 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
5053 so we don't leak memory.
5054 * hashtable.c (ht_destroy): New.
5055 * hashtable.h (ht_destroy): New.
5057 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
5058 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5060 * c-lex.c (map): Make const.
5061 (cb_file_change): Update for callback passing a line map.
5062 Don't assume we have a previous map. Remove sanity check
5063 about popping too many files.
5064 * cpperror.c (print_location): Make map const.
5065 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
5066 (cpp_make_system_header): Similarly.
5067 (search_from): Similarly.
5068 (_cpp_execute_include): Don't remember where we came from.
5069 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
5070 (struct cpp_reader): Make map const.
5071 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
5072 * cpplib.c (do_line): Update; line maps now hold sysp.
5073 (cpp_push_buffer): Similarly.
5074 (_cpp_do_file_change): Similarly; callback with map instead.
5075 (cpp_get_line_maps): Constify return value.
5076 (_cpp_pop_buffer): Update.
5077 * cpplib.h (struct cpp_file_change): Remove.
5078 (struct cpp_callbacks): Update.
5079 (cpp_get_line_maps): Constify return value.
5080 * cppmacro.c (_cpp_create_definition): Update.
5081 * cppmain.c (struct printer): Constify map.
5082 (maybe_print_line): Similarly.
5083 (print_line): Similarly. Deduce flags 1 and 2 here.
5084 (cb_file_change): Update.
5085 * line-map.c (free_line_maps): Warn regardless.
5086 (add_line_map): Return pointer to const. When passed NULL to_file
5087 with LC_LEAVE, use the obvious values for the return point so the
5088 caller doesn't have to figure them out.
5089 (lookup_line): Return pointer to const.
5090 (print_containing_files): Take pointer to const.
5091 * line-map.h (struct line_map): New members reason, sysp.
5092 (add_line_map): Return pointer to const.
5093 (lookup_line): Similarly.
5094 (print_containing_files): Take pointer to const.
5096 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
5097 Richard Henderson <rth@redhat.com>
5099 * regmove.c (regmove_optimize): Avoid setting a register twice in
5102 2001-08-10 Richard Henderson <rth@redhat.com>
5104 * doc/extend.texi (Arrays and pointers implementation): Document
5105 behavior of pointer/integer conversion.
5107 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
5109 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
5111 2001-08-10 Richard Henderson <rth@redhat.com>
5113 * doc/extend.texi (C Implementation): New chapter.
5114 * doc/gcc.texi (Top): Link it in.
5116 2001-08-10 Andrew Cagney <ac131313@redhat.com>
5118 * doc/install.texi (Specific): Fix CVS merge botch.
5120 2001-08-10 Richard Henderson <rth@redhat.com>
5122 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
5123 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
5125 2001-08-10 Zack Weinberg <zackw@stanford.edu>
5127 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
5128 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
5129 this macro is now required.
5131 * cselib.c (cselib_process_insn), flow.c (propagate_block),
5132 loop.c (find_and_verify_loops), reload.c (reload): Check
5133 for rtx code of CALL_INSN, not CALL, when deciding if we
5134 need to check for REG_SETJMP note.
5136 * gcse.c (compute_hash_table, compute_store_table): Update
5137 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
5140 * config/avr/avr.c: Fix typo.
5141 * config/convex/convex.c (expand_movstr): Use adjust_address.
5142 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
5144 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
5145 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
5147 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
5148 Do define STACK_BOUNDARY.
5149 * config/i370/i370.c: Include expr.h.
5150 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
5151 config/pa/som.h, config/v850/v850.h: Take in_ctors and
5152 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
5153 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
5154 * config/m88k/m88k.c: Include c-tree.h after expr.h.
5155 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
5156 * config/romp/romp.c: Include expr.h after tree.h.
5158 (output_fpop): Use xmalloc, not oballoc.
5159 * config/we32k/we32k.c: Include expr.h.
5161 2001-08-10 Kazu Hirata <kazu@hxi.com>
5163 * config/h8300/h8300.h: Fix formatting.
5165 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5167 * c-common.h (RETURN_NULLIFIED_P): Lose.
5168 * c-semantics.c (genrtl_return_stmt): Don't check it.
5170 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5172 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
5173 (mips_annotate_frame_insn): New function.
5174 (mips_emit_frame_related_store): New function.
5175 (save_restore_insns): Don't mark instructions that set up the base
5176 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
5177 the store instructions instead.
5178 (mips_expand_prologue): If the stack size is moved into a temporary
5179 register, do not mark that move as frame-related. Add a
5180 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
5182 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5184 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
5185 stack slot as unchanging if current_function_calls_eh_return.
5187 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
5189 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
5190 access the second half of the TFmode scratch operand.
5192 2001-08-10 Anthony Green <green@redhat.com>
5194 * java/class.c (emit_register_classes): Conditionalize code on
5197 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5199 * doc/install.texi (Specific, avr): Fix cross-reference to the
5200 main manual to work both for info and HTML versions.
5202 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5204 * stmt.c (expand_null_return_1): Remove code to generate simple returns
5205 and "use_goto" argument.
5206 (expand_null_return, expand_value_return): Update all callers.
5207 * function.c (expand_function_end): Remove code to generate simple
5209 * config/vax/vax.md (epilogue): New expander for function return.
5210 * doc/md.texi (epilogue): Remove "if defined".
5212 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5214 * Makefile.in: Partially revert my previous change:
5215 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
5216 of the hashtab.o and safe-ctype.o rules.
5218 2001-08-09 Richard Henderson <rth@redhat.com>
5220 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
5221 (USE_COLLECT2): Remove duplicate definition.
5222 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
5223 (use_collect2): Remove dead code.
5224 * configure.in (use_collect2): Remove will_use_collect2 and
5225 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
5226 * configure: Rebuild.
5228 * target.h (targetm.asm_out.constructor): New.
5229 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
5230 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
5231 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
5232 * varasm.c (in_ctors, in_dtors): New.
5233 (assemble_constructor, assemble_destructor): Remove.
5234 (default_stabs_asm_out_destructor): New.
5235 (default_named_section_asm_out_destructor): New.
5236 (dtors_section, default_dtor_section_asm_out_destructor): New.
5237 (default_stabs_asm_out_constructor): New.
5238 (default_named_section_asm_out_constructor): New.
5239 (ctors_section, default_ctor_section_asm_out_constructor): New.
5240 * output.h: Update declarations.
5241 * c-decl.c (c_expand_body): Use target hooks instead of
5242 assemble_constructor and assemble_destructor.
5243 * profile.c (output_func_start_profiler): Likewise.
5244 * objc/objc-act.c (finish_objc): Likewise.
5245 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
5246 for the constructor.
5247 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
5249 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
5250 (DTORS_SECTION_ASM_OP): Likewise.
5251 (__CTOR_LIST__): Use attribute section when possible.
5252 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
5254 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
5255 ASM_OUTPUT_CONSTRUCTOR.
5257 * config/darwin.c (machopic_asm_out_constructor): New.
5258 (machopic_asm_out_destructor): New.
5259 * config/darwin-protos.h: Update declarations.
5260 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5261 (ASM_OUTPUT_DESTRUCTOR): Remove.
5262 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5263 * config/nextstep.c (nextstep_asm_out_constructor): New.
5264 (nextstep_asm_out_destructor): New.
5265 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5266 (ASM_OUTPUT_DESTRUCTOR): Remove.
5267 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5268 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
5269 ASM_OUTPUT_*STRUCTOR.
5270 * config/i386/aix386ng.h: Likewise.
5272 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5273 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5274 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5275 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5276 * config/lynx.h: Likewise.
5277 * config/netware.h: Likewise.
5278 * config/psos.h: Likewise.
5279 * config/alpha/alpha-interix.h: Likewise.
5280 * config/alpha/elf.h: Likewise.
5281 * config/arc/arc.h: Likewise.
5282 * config/arm/aof.h: Likewise.
5283 * config/arm/coff.h: Likewise.
5284 * config/arm/elf.h: Likewise.
5285 * config/c4x/c4x.h: Likewise.
5286 * config/h8300/h8300.h: Likewise.
5287 * config/i386/cygwin.h: Likewise.
5288 * config/i386/djgpp.h: Likewise.
5289 * config/i386/i386-coff.h: Likewise.
5290 * config/i386/i386-interix.h: Likewise.
5291 * config/i386/sco5.h: Likewise.
5292 * config/i386/vsta.h: Likewise.
5293 * config/i386/win32.h: Likewise.
5294 * config/i960/i960-coff.h: Likewise.
5295 * config/ia64/sysv4.h: Likewise.
5296 * config/m68hc11/m68hc11.h: Likewise.
5297 * config/m68k/coff.h: Likewise.
5298 * config/m68k/mot3300.h: Likewise.
5299 * config/m88k/m88k.h: Likewise.
5300 * config/mcore/mcore-pe.h: Likewise.
5301 * config/mcore/mcore.h: Likewise.
5302 * config/mips/elf.h: Likewise.
5303 * config/mips/elf64.h: Likewise.
5304 * config/mips/iris6.h: Likewise.
5305 * config/pa/pa64-hpux.h: Likewise.
5306 * config/rs6000/sysv4.h: Likewise.
5307 * config/sh/sh.h: Likewise.
5308 * config/sparc/litecoff.h: Likewise.
5310 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5311 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5312 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5313 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5314 (ASM_OUTPUT_DESTRUCTOR): Remove.
5315 * config/a29k/a29k.c: Move include of tree.h.
5316 * config/a29k/udi.h: Delete file.
5317 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5318 (vms_asm_out_destructor): New.
5319 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5320 (EXTRA_SECTION_FUNCTIONS): Likewise.
5321 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5322 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5323 * config/c4x/c4x.c: Move include of tree.h.
5324 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5325 (clix_asm_out_destructor): New.
5326 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5327 (ASM_OUTPUT_DESTRUCTOR): Remove.
5328 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5329 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5330 (TARGET_ASM_CONSTRUCTOR): New.
5331 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5332 (sco_asm_out_constructor): New.
5333 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5334 * config/i386/svr3gas.h: Remove stack grows up code.
5335 Remove code duplicated from i386/sysv3.h.
5336 (TARGET_ASM_CONSTRUCTOR): New.
5337 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5338 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5339 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5340 (TARGET_ASM_CONSTRUCTOR): New.
5341 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5342 (m68hc11_asm_out_destructor): New.
5343 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5344 (TARGET_ASM_DESTRUCTOR): New.
5345 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5346 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5347 config/svr3.h pertaining to section manipulation.
5348 * config/m68k/dpx2g.h: Remove #if 0 code.
5349 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5350 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5351 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5352 (TARGET_ASM_CONSTRUCTOR): New.
5353 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5354 (m88k_svr3_asm_out_constructor): New.
5355 (m88k_svr3_asm_out_destructor): New.
5356 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5357 (ASM_OUTPUT_DESTRUCTOR): Remove.
5358 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5359 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5360 * config/rs6000/aix.h: Likewise.
5361 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5362 * config/mips/vxworks.h: Likewise.
5363 * config/rs6000/lynx.h: Likewise.
5364 * config/sh/elf.h: Likewise.
5365 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5366 (DTORS_SECTION_ASM_OP): New.
5367 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5368 (ASM_OUTPUT_DESTRUCTOR): Remove.
5369 * config/sparc/sol2-sld-64.h: Likewise.
5370 * config/vax/vax.c (vms_asm_out_constructor): New.
5371 (vms_asm_out_destructor): New.
5372 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5373 (ASM_OUTPUT_DESTRUCTOR): Remove.
5374 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5376 * doc/tm.texi (@node Initialization): Update.
5378 2001-08-09 Richard Henderson <rth@redhat.com>
5380 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5381 (__do_global_dtors_aux): Use gp-relative static data to avoid
5382 one dynamic relocation.
5383 (__do_frame_setup): Register Java classes.
5384 * config/alpha/crtend.asm (__JCR_END__): New.
5386 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5388 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5389 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5390 (GEN, STAGESTUFF): Add new files.
5391 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5392 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5393 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5394 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5395 as well as insn-codes.h and insn-flags.h in config.h; and no
5396 extra headers in tconfig.h and hconfig.h.
5398 * gencodes.c: Eliminate code to generate predicate declarations
5399 or #defines for md-file constants.
5400 * genconstants.c, genpreds.c: New files.
5402 * i386.md: Re-order guard expressions such that TARGET_64BIT
5403 comes first, when this permits better optimization. Add
5404 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5405 why this is desirable.
5407 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5409 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5410 (find_fde_for_dso): Remove.
5411 (_Unwind_IteratePhdrCallback): New.
5412 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5413 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5415 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5417 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5418 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5420 2001-08-09 Graham Stott <grahams@redhat.com>
5422 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5423 (vis_no_unit): Use it.
5424 (visualize_no_unit): Add the insn only if room exists.
5426 2001-08-09 Graham Stott <grahams@redhat.com>
5428 * predict.c (estimate_probability): Replace magic numbers with
5429 appropriate enumeration.
5431 2001-08-09 Graham Stott <grahams@redhat.com>
5433 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5435 (EXTRACT_FLAGS): Likewise.
5437 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5439 * config/mips/mips.c (mips_legitimate_address_p): Check for
5440 CONST_INT in last patch.
5442 2001-08-08 Anthony Green <green@redhat.com>
5444 * java/class.c (emit_register_classes): Use assemble_jcr if
5445 possible. Keep the original mechanism as a fallback.
5446 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5447 and weak symbol support.
5448 * crtstuff.c (__JCR_LIST__): Define.
5449 (__JCR_END__): Define.
5450 (_Jv_RegiserClasses): Define weak symbol if possible.
5451 (__do_global_ctors_aux): Register classes for ELF targets with
5452 weak symbol support.
5454 2001-08-08 Kazu Hirata <kazu@hxi.com>
5456 * dbxout.c: Fix comment formatting.
5457 * dependence.c: Likewise.
5459 * diagnostic.c: Likewise.
5460 * dominance.c: Likewise.
5461 * doprint.c: Likewise.
5462 * dwarf2out.c: Likewise.
5463 * dwarfout.c: Likewise.
5464 * emit-rtl.c: Likewise.
5465 * except.c: Likewise.
5466 * explow.c: Likewise.
5467 * expmed.c: Likewise.
5470 * fold-const.c: Likewise.
5471 * function.c: Likewise.
5473 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5475 * global.c (retry_global_alloc): Avoid shadowing allocno.
5477 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5479 * except.c (remove_fixup_regions): Fix typo.
5481 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5483 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5484 unsigned HOST_WIDE_INT to avoid warning.
5485 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5486 * flow.c (set_block_for_new_insns): Likewise.
5488 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5490 * sibcall.c (return_value_pseudo): New static variable.
5491 (skip_copy_to_return_value): Handle return_value_pseudo.
5492 (call_ends_block_p): Ensure that return_value_pseudo is set.
5493 (optimize_sibling_and_tail_recursive_call): Discover the
5494 load of pseudo return value in alternate exit block.
5496 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5498 * calls.c (ECF_ALWAYS_RETURN): New constant.
5499 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5500 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5501 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5502 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5503 * rtl.c (reg_note_name): New name.
5504 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5506 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5508 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5510 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5512 * alias.c (get_alias_set): Return a previously calculated
5513 alias set for a VAR_DECL.
5514 * function.c (gen_mem_addressof): Calculate the alias set before
5517 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5519 * predict.def: Set hitrates according our experimental run.
5521 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5523 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5525 2001-08-08 H.J. Lu <hjl@gnu.org>
5527 * config/mips/mips.c (mips_unique_section): New. Copied from
5530 * config/mips/mips-protos.h (mips_unique_section): New
5533 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5535 * config/mips/little.h: New. Generic little endian mips
5536 targets. Only mips*-*-linux* is converted to use it so far.
5538 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5539 (WCHAR_TYPE): Defined
5540 (WCHAR_TYPE_SIZE): Likewise.
5541 (INIT_SUBTARGET_OPTABS): Likewise.
5542 (BSS_SECTION_ASM_OP): Likewise.
5543 (SBSS_SECTION_ASM_OP): Likewise.
5544 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5545 (ASM_DECLARE_OBJECT_NAME): Likewise.
5546 (UNIQUE_SECTION): Likewise.
5547 (EXTRA_SECTIONS): Likewise.
5548 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5549 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5550 (ASM_OUTPUT_DEF): Likewise.
5551 (HANDLE_SYSV_PRAGMA): Removed.
5552 (NO_IMPLICIT_EXTERN_C): Likewise.
5553 (TARGET_MEM_FUNCTIONS): Likewise.
5554 (STARTFILE_SPEC): Likewise.
5555 (ENDFILE_SPEC): Likewise.
5556 (LIB_SPEC): Likewise.
5557 (INVOKE__main): Likewise.
5558 (CTOR_LIST_BEGIN): Likewise.
5559 (CTOR_LIST_END): Likewise.
5560 (DTOR_LIST_BEGIN): Likewise.
5561 (DTOR_LIST_END): Likewise.
5562 (SET_ASM_OP): Likewise.
5563 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5564 (ASM_OUTPUT_DEF): Likewise.
5565 (ASM_OUTPUT_IDENT): Likewise.
5567 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5568 (CPLUSPLUS_CPP_SPEC): Likewise.
5569 (ASM_APP_ON) Redefine only if not defined.
5570 (ASM_APP_OFF): Likewise.
5571 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5572 (ASM_OUTPUT_IDENT): Likewise.
5574 * config.gcc: Update tm_file for Linux/mips.
5576 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5578 * cselib.c (cselib_record_sets): If insn is predicated, turn
5579 sources into IF_THEN_ELSEs.
5581 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5582 Turn into define_insn_and_split.
5584 * sched-deps.c: Include "cselib.h".
5585 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5586 Use cselib to turn memory addresses into VALUEs.
5587 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5588 * sched-int.h (struct sched_info): New member USE_CSELIB.
5589 * sched-ebb.c (ebb_sched_info): Initialize it.
5590 * sched-rgn.c (rgn_sched_info): Likewise.
5591 * Makefile.in (sched-deps.o): Update dependencies.
5593 * cselib.h (cselib_subst_to_values): Declare.
5594 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5595 that have no value and autoincs to be handled by generating a new
5598 2001-08-08 Graham Stott <grahams@redhat.com>
5600 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5601 within fixed length SEQUENCE.
5603 2001-08-08 Graham Stott <grahams@redhat.com>
5605 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5606 (diagnostic_prefixing_rule): Likewise.
5607 (diagnostic_line_cutoff): Likewise.
5608 (diagnostic_kind_count): Likewise.
5610 2001-08-08 Graham Stott <grahams@redhat.com>
5612 * alias.c (find_base_decl): Delete redundent assignment.
5614 2001-08-08 Graham Stott <grahams@redhat.com>
5616 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5617 (abs): Uppercase and paranthesize macro parameter.
5618 (MEM_DEPENDENCY): Add whitespace.
5620 2001-08-08 Graham Stott <grahams@redhat.com>
5622 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5623 failure check for CONST_INT
5625 2001-08-08 Graham Stott <grahams@redhat.com>
5627 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5628 (libcall_dead_p): Likewise.
5630 (mark_used_regs): Constify fmt.
5631 (find_use_as_address): Likewise.
5633 2001-08-08 Graham Stott <grahams@redhat.com>
5635 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5638 2001-08-08 Graham Stott <grahams@redhat.com>
5640 * combine.c (combine_simplify_rtx): Update comment and
5641 remove erroneous test.
5643 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5645 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5646 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5647 take care to avoid multiple no-newline at EOF warnings in that
5650 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5652 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5653 (emit_library_call_value_1): Likewise.
5654 (emit_call_1): Emit REG_SETJMP note.
5655 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5657 * cselib.c (cselib_process_insn): Likewise.
5658 * flow.c (propagate_block): Likewise.
5659 * loop.c (find_and_verify_loops): Likewise.
5660 * reload.c (find_equiv_regs): Likewise.
5661 * reload1.c (reload): Likewise.
5662 * resource.c (mark_referenced_resources,
5663 mark_set_resources): Likewise.
5664 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5665 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5666 * haifa-sched.c (unlink_other_notes): Likewise.
5667 (reemit_notes): Likewise.
5668 * sched-ebb.c (sched_ebb): Likewise.
5669 * sched-rgc.c (sched_region): Likewise.
5670 * rtl.c (note_insn_name): Likewise.
5671 (reg_note_name): Add REG_SETJMP
5672 * rtl.h (reg_note): Add REG_SETJMP.
5673 (insn_note): Remove NOTE_INSN_SETJMP.
5675 * profile.c (branch_prob): Add fake edges for setjmp.
5677 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5679 * config.gcc: Quote target_cpu_default2 correctly for
5680 powerpc*-*-* targets.
5682 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5684 * cpplib.h, line-map.h: Update comments.
5685 * cppmain.c (printer_init): Move inline.
5686 (maybe_print_line, print_line): Take a map pointer.
5687 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5688 (cb_file_change): Don't use prior value of print.map.
5690 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5692 * doc/install.texi: Document fine-grained multilib configuration.
5694 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5696 * rtlanal.c (find_first_parameter_load): Call note_stores
5697 only on the instructions.
5699 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5701 * alias.c (nonlocal_mentioned_p):
5702 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5703 * calls.c (emit_call_1): Likewise.
5704 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5705 * cselib.c (cselib_process_insn): Likewise.
5706 * df.c (df_insns_modify): Likewise.
5707 * flow.c (need_fake_edge_p): Likewise.
5708 (propagate_one_insn): Likewise.
5709 * haifa-sched.c (reemit_notes): Likewise.
5710 * integrate.c (copy_insn_list): Likewise.
5711 * jump.c (delete_prior_computation): Likewise.
5712 * local-alloc.c (validate_equiv_mem): Likewise.
5713 * loop.c (scan_loop): Likewise.
5714 * predict.c (estimate_probability): Likewise.
5715 * reload.c (reload): Likewise.
5716 * sched-deps (sched_analyze): Likewise.
5717 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5718 * gcse.c (compute_hash_table): Likewise.
5719 (mark_call): Likewise.
5720 (store_killed_in_insn): Likewise.
5722 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5724 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5726 2001-08-06 Richard Henderson <rth@redhat.com>
5728 * varasm.c (assemble_gc_entry): Remove.
5729 * output.h: Likewise.
5731 2001-08-06 Richard Henderson <rth@redhat.com>
5733 * varasm.c (assemble_constructor): Take a symbol_ref and a
5734 priority instead of a bare string. Move priority handling
5735 here from cp/decl2.c.
5736 * output.h: Update decls.
5738 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5739 and assemble_destructor.
5740 * profile.c (output_func_start_profiler): Likewise.
5741 * objc/objc-act.c (finish_objc): Likewise.
5742 (build_module_descriptor): Return the symbol not the symbol name.
5744 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5746 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5747 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5748 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5749 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5750 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5751 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5753 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5755 * cpperror.c (print_containing_files): Moved to line-map.c.
5756 (print_location): line-map.c handles re-listing or otherwise.
5757 * cpphash.h (struct lexer_state): Remove next_bol.
5758 (struct cpp_buffer): Remove include_stack_listed.
5759 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5760 Remove faked buffer handling.
5761 (_cpp_do_file_change): Tweak.
5762 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5763 * cppmain.c (struct printer): Remove filename.
5764 (print_line, cb_file_change): Update accordingly.
5765 * line-map.c: Include intl.h.
5766 (init_line_maps): Initialize last_listed.
5767 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5768 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5769 (print_containing_files): New.
5770 * line-map.h (struct line_maps): New member last_listed.
5771 (print_containing_files, INCLUDED_FROM): New.
5772 * Makefile.in: Update.
5773 * po/POTFILES.in: Add line-map.c.
5775 2001-08-06 Richard Henderson <rth@redhat.com>
5777 * except.c (convert_from_eh_region_ranges_1): Never mark
5778 USE or CLOBBER insns as throwing.
5780 * expr.c (store_constructor): Don't clobber memory targets.
5782 2001-08-06 Andreas Jaeger <aj@suse.de>
5784 * profile.c (branch_prob): Remove unused variable insn.
5786 * Makefile.in (local-alloc.o): Add dependency on except.h.
5788 * local-alloc.c: Include except.h for can_throw_internal prototype.
5790 2001-08-06 Richard Henderson <rth@redhat.com>
5792 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5793 * function.c (expand_main_function): Implement it.
5794 * doc/tm.texi: Document it.
5796 2001-08-06 Stan Shebs <shebs@apple.com>
5798 * doc/install.texi: Document powerpc-*-darwin* details.
5800 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5802 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5803 (ASM_CPU_SPEC): Move back to rs6000.h
5804 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5806 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5808 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5811 * config/rs6000/linux64.h: Ditto.
5813 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5814 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5817 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5818 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5820 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5823 2001-08-05 Richard Henderson <rth@redhat.com>
5825 * local-alloc.c (update_equiv_regs): Do not move insns that
5828 2001-08-05 Jan Hubicka <jh@suse.cz>
5830 * Makefile.in (reload1.o): Add dedendancy on except.h
5831 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5833 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5834 indicating wehther edges has been cleaned up.
5835 * reload1.c: Inlucde except.h
5836 (fixup_abnormal_edges): Accept deleted insns.
5837 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5840 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5842 * cpplib.c (do_line): Correct line number after pop_buffer.
5844 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5846 PR preprocessor/3824
5847 * line-map.c: Update comments.
5848 * line-map.h: Update comments.
5849 * tradcif.y: Don't consider large numbers unsigned.
5851 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5853 PR preprocessor/3081
5854 * c-lex.c (map): New.
5855 (cb_file_change): Update map and use it.
5856 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5857 (c_lex): Update to use map.
5858 * cpperror.c (print_location): Move to using logical line numbers.
5859 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5860 (cpp_make_system_header): Similarly.
5861 (_cpp_execute_include): Stop line numbering hacks. Store the
5862 line we will return to.
5863 * cpphash.h (CPP_BUF_LINE): Remove.
5864 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5865 Add map and return_to_line.
5866 (_cpp_do_file_change): Update.
5867 * cppinit.c (cpp_start_read): Update line kludge.
5868 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5869 (trigraph_ok): Use logical line numbers for diagnostics.
5870 (skip_block_comment): Likewise.
5871 (skip_whitespace): Likewise.
5872 (skip_line_comment): Use pfile->line instead.
5873 (_cpp_lex_token): Update to use logical line numbering exclusively.
5874 Handle BOL locally. Accept new lines in directives, but keep
5875 pfile->line decremented. Diagnostics use logical lines. Update
5877 * cpplib.c (SEEN_EOL): New.
5878 (skip_rest_of_line, check_eol): Use it.
5879 (end_directive): Increase line number when accepting the newline
5880 at the end of a directive.
5881 (run_directive): Simplify.
5882 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5883 (_cpp_do_file_change): Update to take buffer line number as an
5884 argument, and store the current map in the cpp_reader. Remove
5885 line number kludges.
5886 (_cpp_do__Pragma): Restore output position after a _Pragma.
5887 (cpp_push_buffer): Don't set output line or lineno.
5888 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5889 Remove line kludge. Set output_line.
5890 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5891 (parse_arg): Use logical lines.
5892 (save_lookahead_token): Save EOFs too now.
5893 * cppmain.c (struct printer): Fix comments.
5894 (printer_init): Simplify, let caller do errors.
5895 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5896 (maybe_print_line): Simplify.
5897 (print_line): Don't print a linemarker if -P.
5898 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5899 (cb_file_change): Simplify.
5900 * line-map.h (LAST_SOURCE_LINE): Fix.
5901 (CURRENT_LINE_MAP): New.
5903 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5905 * doloop.c (doloop_modify_runtime): Properly compute number of
5906 iterations if loop was unrolled.
5908 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5909 if their CSELIB_VAL_PTRs are.
5911 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5912 (setup_spill_pointers): Initialize it.
5913 (spill_restore_mem): Set it.
5914 (do_spill, do_restore): Use it to add REG_INC note.
5915 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5917 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5918 asms if other insns are available.
5920 * config/ia64/ia64.c (condop_operator): New predicate.
5921 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5922 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5925 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5926 temporary register than directly using a MEM.
5928 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5930 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5931 parameter in last change.
5933 2001-08-04 Zack Weinberg <zackw@panix.com>
5935 * sparc.md: Don't use #if inside C test expression.
5937 2001-08-04 Richard Henderson <rth@redhat.com>
5939 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5941 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * cpphash.h (struct cpp_reader): New member directive_line.
5944 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5945 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5946 do_pragma): Pass line to callbacks.
5947 (start_directive): Record line of directive.
5948 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5949 cb_include): Similarly.
5950 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5953 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5955 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5958 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5960 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5962 * reload1.c (fixup_abnormal_edges): New static function.
5965 * flow.c (need_fake_edge_p): New function.
5966 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5967 avoid call insn to be very last insn in the insn stream.
5969 * profile.c (branch_prob): Call flow_call_edges_add instead of
5970 doing that by hand; cleanup cfg to re-merge basic blocks once
5973 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5975 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5976 are also on line-map.h.
5977 * cppfiles.c (stack_include_file): Update.
5978 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5979 (_cpp_pop_buffer): New.
5980 * cppinit.c (cpp_destroy, cpp_finish): Update.
5981 (do_includes): Mark each buffer to return at EOF.
5982 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5983 return as requested.
5984 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5985 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5986 * cpplib.h (cpp_pop_buffer): Remove.
5987 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5988 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5990 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5992 (do_preprocessing): Update.
5993 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5994 * c-parse.in (_yylex): Similarly.
5995 * scan-decls.c (scan_decls): Similarly.
5996 * line-map.h: Update comments.
5998 * objc/Make-lang.in (objc-act.o): Update dependencies.
6000 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6002 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
6003 and soft register for operand 0.
6004 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
6006 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6008 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
6009 register for operand 0.
6010 ("bitcmpqi_z_used"): Allow memory for operand 0.
6011 (split "bitcmpqi"): New split to handle address reg as operand 1.
6013 2001-08-04 Andreas Jaeger <aj@suse.de>
6015 * gcse.c: Revert Daniel's last patch.
6017 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6019 * sparc-protos.h: Add prototypes for fp_zero_operand and
6021 * sh-protos.h: Add prototype for fpul_operand.
6023 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
6025 * doc/extend.texi (Other Builtins): Fix typo in last change.
6027 2001-08-03 Richard Henderson <rth@redhat.com>
6029 * target.h (gcc_target): Add asm_out.named_section,
6030 section_type_flags, have_named_sections.
6031 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
6032 (TARGET_HAVE_NAMED_SECTIONS): New.
6033 (TARGET_SECTION_TYPE_FLAGS): New.
6035 * Makefile.in (toplev.o): Depend on TARGET_H.
6036 (varasm.o, dbxout.o): Likewise.
6037 * c-common.c (decl_attributes): Check targetm.have_named_sections
6038 instead of ifdef ASM_OUTPUT_SECTION_NAME.
6039 * dbxout.c (dbxout_function_decl): Likewise.
6040 (dbxout_function_end): Likewise.
6041 * toplev.c (compile_file): Likewise.
6042 * varasm.c (exception_section): Likewise.
6043 * cp/decl2.c (finish_objects): Likewise.
6045 * defaults.h (EH_FRAME_SECTION): Remove.
6046 (EH_FRAME_SECTION_ASM_OP): Remove.
6047 (EH_FRAME_SECTION_NAME): New.
6048 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
6049 (UNIQUE_SECTION_P): Remove.
6050 * dwarf2out.c (SECTION_FORMAT): Remove.
6051 (ASM_OUTPUT_SECTION): Remove.
6052 (output_call_frame_info): Use named_section_flags.
6053 (output_comp_unit, dwarf2out_start_source_file): Likewise.
6054 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
6055 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
6056 * varasm.c (in_eh_frame, eh_frame_section): Remove.
6057 (named_section_flags): New.
6058 (named_section): Use it and targetm.section_type_flags.
6059 (resolve_unique_section): New.
6060 (assemble_start_function): Use it.
6061 (asm_emit_uninitialised, assemble_variable): Likewise.
6062 (default_section_type_flags): New.
6063 (default_no_named_section, default_elf_asm_named_section): New.
6064 (default_coff_asm_named_section, default_pe_asm_named_section): New.
6065 * output.h: Update varasm.c decls.
6066 (SECTION_*): New flags.
6068 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
6069 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
6071 * config/elfos.h (UNIQUE_SECTION_P): Remove.
6072 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
6073 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
6074 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6075 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
6076 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
6077 * config/mips/elf.h, config/mips/elf64.h: Likewise.
6078 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
6079 * config/pa/pa64-hpux.h,
6081 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
6082 (TARGET_ASM_NAMED_SECTION): New.
6083 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
6084 * config/alpha/vms.h, config/arm/coff.h: Likewise.
6085 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
6086 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
6087 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
6088 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
6089 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
6090 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
6091 * config/i386/sco5.h, config/i386/win32.h: Likewise.
6092 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
6093 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
6094 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
6095 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
6096 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
6097 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
6098 * config/sparc/sysv4.h: Likewise.
6100 * config/nextstep.h: Error until named sections implemented.
6102 * config/a29k/a29k.c (a29k_asm_named_section): New.
6103 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
6104 (vms_section_type_flags, vms_asm_named_section): New.
6105 * config/arm/arm.c (arm_elf_asm_named_section): New.
6106 * config/avr/avr.c (asm_output_section_name): Remove.
6107 * config/avr/avr-protos.h: Update.
6108 * config/c4x/c4x.c (c4x_asm_named_section): New.
6109 * config/h8300/h8300.c (h8300_asm_named_section): New.
6110 * config/i386/i386.c (sco_asm_named_section): New.
6111 * config/i386/winnt.c (SECTION_PE_SHARED): New.
6112 (i386_pe_section_type_flags): New.
6113 (i386_pe_asm_named_section): New.
6114 * config/i386/i386-protos.h: Update.
6115 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
6116 * config/mcore/mcore.c (mcore_asm_named_section): New.
6117 * config/mips/mips.c (iris6_asm_named_section): New.
6118 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
6119 instead of UNIQUE_SECTION_P.
6120 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
6121 (xcoff_asm_named_section): New.
6122 * config/sh/sh.c (sh_asm_named_section): New.
6123 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
6125 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
6126 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
6127 (EH_FRAME_SECTION_NAME): New.
6128 (EXCEPTION_SECTION): New.
6129 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
6130 (DEBUG_*_SECTION): Remove.
6131 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
6132 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
6133 (EH_FRAME_SECTION_ASM_OP): Remove.
6135 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
6136 (ASM_OUTPUT_SECTION_NAME): Remove.
6137 (TARGET_ASM_NAMED_SECTION): New.
6138 (TARGET_HAVE_NAMED_SECTIONS): New.
6139 (TARGET_SECTION_TYPE_FLAGS): New.
6140 (EH_FRAME_SECTION_ASM_OP): Remove.
6141 (EH_FRAME_SECTION_NAME): New.
6143 2001-08-03 Zack Weinberg <zackw@stanford.edu>
6145 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
6146 for complex expressions when cfun == 0.
6147 * doc/extend.texi: Document that __builtin_constant_p can be
6148 used in data initializers as well as functions.
6150 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
6152 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
6153 variable I locally, instead of expecting a declaration in the
6156 2001-08-03 Richard Henderson <rth@redhat.com>
6158 * except.c (collect_one_action_chain): Add an explicit cleanup
6159 action if regions surrounding a catch were encoded entirely
6160 within the call-site entry.
6162 2001-08-03 Richard Henderson <rth@redhat.com>
6164 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
6165 don't take REGNO of a non-register.
6167 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6169 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
6170 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
6171 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
6172 (__gthread_mutex_init_function): New function for mutex initialization.
6174 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6176 * Makefile.in: Revert screwed up commit.
6178 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6180 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
6181 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
6182 merged by linker script to get a final _exit().
6183 (__do_global_dtors): New for destructor handling in specific exit
6185 (__do_global_ctors): New for constructors in specific install section.
6186 (__map_data_section): Map data sections before running constructors.
6187 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
6188 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
6189 (DTORS_SECTION_ASM_OP): Likewise.
6190 (CTORS_SECTION_FUNCTION): Define to force a reference to
6192 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
6194 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6196 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
6198 * Makefile.in: Add df.h to gcse.c dependencies.
6200 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6202 * varasm.c (output_constant_def_contents): Use for the length of a
6203 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
6204 depending on which is larger.
6206 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
6208 * gcse.c: Include df.h for use as a dataflow analyzer.
6210 Declaration of reg_set_info: gone.
6211 New df_analyzer variable used by store motion.
6212 (reg_set_info): Deleted.
6213 (mark_mem_regs): New function, analyze regs used by a mem.
6214 (store_ops_ok): Use dataflow analyzer results to determine if
6215 necessary regs are changed in the block.
6216 (find_moveable_store): Remove check for symbol ref, we can handle
6217 much more complex expressions now.
6218 (compute_store_table): Remove most of the code, it's unnecessary
6219 now that the dataflow analyzer records the info for us.
6220 (store_killed_after): Add parameter to say whether to do the
6221 store_ops_okay test, used to speed up testing when we already know
6222 the answer, and just want to know if the store itself was killed.
6223 (build_store_vector): Largely rewritten to calculate the various
6224 vectors properly, and somewhat optimized.
6225 (store_motion): Init the df_analyzer, get REG_DEF chains.
6226 Also handle trapping expressions (since mems almost always trap)
6227 (simple_mem): Redefine what a simple mem is.
6229 2001-08-03 DJ Delorie <dj@redhat.com>
6231 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
6232 set from a constant part of the condition.
6234 2001-08-01 Andrew Cagney <ac131313@redhat.com>
6236 * mkdeps.c (deps_add_default_target): Make local variable
6237 ``start'' a const char pointer.
6238 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
6240 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6242 * doc/install.texi (Configuration): Fix markup.
6243 (Specific, i?86-*-udk): Likewise.
6244 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
6246 Document --enable-threads and --enable-libgcj status.
6247 (Specific, mips-sgi-irix*): Canonicalize triples.
6248 (Specific, mips-sgi-irix5): Warn about problems with this config.
6249 Mention required GNU as patch.
6250 Native assembler problems are fixed.
6251 (Specific, mips-sgi-irix6): Update O32 ABI support status.
6252 Document --enable-threads and --enable-libgcj status.
6254 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6256 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
6259 2001-08-03 Richard Henderson <rth@redhat.com>
6261 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
6264 2001-08-03 Richard Henderson <rth@redhat.com>
6266 * rtlanal.c (find_first_parameter_load): Stop if we
6267 reach a CODE_LABEL at BOUNDARY.
6269 2001-08-03 Richard Henderson <rth@redhat.com>
6271 * config/alpha/alpha.md (force_movdi): New insn.
6272 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6273 Tweek FRP marking of VMS prologue insns.
6274 * config/alpha/vms.h (EPILOGUE_USES): New.
6276 2001-08-02 Richard Henderson <rth@redhat.com>
6278 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6280 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6282 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6283 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6284 config/convex/convex.h, config/d30v/d30v.c,
6285 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6286 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6287 config/mips/mips.h, config/mn10200/mn10200.h,
6288 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6289 config/v850/v850.h, config/vax/openbsd.h,
6290 config/vax/openbsd1.h, config/vax/ultrix.h,
6291 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6292 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6293 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6294 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6295 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6296 in comments and documentation.
6298 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6302 * Makefile.in (line-map.o): New.
6303 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6304 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6305 * cpperror.c (print_containing_files): Similarly.
6306 (print_location): Update. Don't output a space before _Pragma.
6307 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6308 (stack_include_filee, cpp_make_system_header): Update.
6309 (_cpp_execute_include): Get logical line number right for calling
6310 as-yet-unterminated #include.
6311 * cpphash.h (struct cpp_reader): Add line_maps.
6312 (_cpp_do_file_change): Update.
6313 * cppinit.c (cpp_create_reader): Initialize line maps.
6314 (cpp_destroy): Destroy line maps.
6315 (cpp_start_read): Get logical line number right.
6316 * cpplex.c (parse_string): Only warn once for multi-line strings.
6317 Use boolean variable for null warning.
6318 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6320 (do_include_common): End the directive early.
6321 (do_line): Don't warn about out-of-range lines in preprocessed
6322 source. Update. Remove unused variables.
6323 (_cpp_do_file_change): Update for new line mapping.
6324 (pragma_cb): New typedef.
6325 (cpp_register_pragma): Stop looking ahead before calling the
6327 (do_pragma_system_header): End directive early.
6328 (cpp_get_line_maps): New.
6329 (cpp_pop_buffer): Fudge logical line. Update.
6330 * cpplib.h: Include line-map.h
6331 (enum cpp_fc_reason): Remove.
6332 (struct cpp_file_change): Update.
6333 (cpp_get_line_maps): New.
6334 * cppmain.c (struct_printer): New member map.
6335 (cb_file_change): Update for new mappings.
6336 * fix-header.c (cb_file_change): Similarly.
6338 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6340 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6341 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6343 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6345 * config/vax/vax.c: include expr.h.
6347 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6349 * Makefile.in ($(srcdir)/configure): Only rebuild in
6351 ($(srcdir)/config.in): Only define in maintainer mode.
6352 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6354 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6356 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6358 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6360 * gcc.c (set_collect_gcc_options): New function, split out from
6362 Ignore elided switches.
6363 (do_spec_1): Invoke before executing command.
6364 (set_input): Export.
6365 Move declaration ...
6366 * gcc.h (set_input): ... here.
6367 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6370 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6373 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6375 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6377 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6379 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6380 for the unnamed instructions it expands to.
6382 2001-08-02 Richard Henderson <rth@redhat.com>
6384 * regclass.c (call_really_used_regs): Conditionally define.
6385 (init_reg_sets_1): Don't use it if not defined.
6386 (fix_register): Similarly, don't set it.
6388 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6390 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6391 Correct comment that had been missed in the previous change.
6393 2001-08-01 Stan Shebs <shebs@apple.com>
6395 * config/darwin.c (machopic_stub_name): Try matching by name.
6396 (update_stubs): New function.
6397 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6400 2001-08-01 Richard Henderson <rth@redhat.com>
6402 * except.c (output_function_exception_table): Use assemble_align.
6403 * varasm.c (assemble_eh_label): Remove.
6404 (assemble_eh_align, assemble_eh_integer): Remove.
6406 2001-08-01 Robert Lipe <robertl@caldera.com>
6408 * dwarfout.c: Remove reference to README.DWARF.
6410 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6412 * regclass.c (call_really_used_regs): New array for registers which
6413 are actually used by a call.
6414 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6416 (fix_register): Set call_really_used too.
6417 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6418 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6420 2001-08-01 Richard Henderson <rth@redhat.com>
6422 * read-rtl.c (read_name): Consider \r whitespace.
6424 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6426 * config.gcc: Recognize powerpc-*-netbsd*.
6428 * doc/install.texi (Host/target specific installation notes for
6429 GCC): Mention powerpc-*-netbsd*.
6431 * config/rs6000/netbsd.h: New file.
6432 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6433 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6434 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6435 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6436 (TARGET_VERSION): Redefine.
6438 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6439 mcall-netbsd as a match for mcall-sysv.
6440 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6441 (ncrti.S, ncrtn.S): New targets.
6442 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6444 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6445 "netbsd' as a V4 ABI.
6446 (ASM_SPEC): Check for -mcall-netbsd.
6447 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6448 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6449 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6450 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6451 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6452 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6453 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6455 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6456 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6458 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6460 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6461 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6462 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6463 including "unwind-pe.h".
6465 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6467 * rs6000.md (define_splits): Kill unused constraints.
6469 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6470 Jan Hubicka <jh@suse.cz>
6472 * function.c (thread_prologue_and_epilogue_insns): Kill code
6473 dealing with non-existent CFG.
6475 2001-08-01 Kazu Hirata <kazu@hxi.com>
6477 * alias.c: Fix comment formatting.
6478 * bitmap.c: Likewise.
6479 * builtins.c: Likewise.
6480 * calls.c: Likewise.
6481 * c-common.c: Likewise.
6482 * c-decl.c: Likewise.
6483 * c-dump.c: Likewise.
6484 * c-lex.c: Likewise.
6485 * collect2.c: Likewise.
6486 * combine.c: Likewise.
6487 * conflict.c: Likewise.
6488 * cppfiles.c: Likewise.
6489 * cppinit.c: Likewise.
6490 * cpplex.c: Likewise.
6491 * cpplib.c: Likewise.
6492 * cppmacro.c: Likewise.
6493 * cppspec.c: Likewise.
6494 * c-pragma.c: Likewise.
6495 * crtstuff.c: Likewise.
6497 * cselib.c: Likewise.
6498 * c-semantics.c: Likewise.
6499 * c-typeck.c: Likewise.
6501 2001-08-01 H.J. Lu <hjl@gnu.org>
6503 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6505 2001-08-01 H.J. Lu <hjl@gnu.org>
6507 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6509 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6511 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6512 contextualizing Objective-C class name lookup by the lexer.
6513 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6515 (protocoldef): Add support for forward @protocol declarations.
6516 (yylexname): Suppress ObjC class name lookup in certain contexts;
6517 re-enable after lookup is complete.
6518 (_yylex): Re-enable ObjC class name lookup when certain
6519 punctuation marks are seen.
6521 * objc/objc-act.c (check_protocol_recursively): New function used
6522 for finding circular dependencies in protocols.
6523 (objc_declare_protocols): New function for handling forward
6524 @protocol declarations.
6525 (receiver_is_class_object): Detect the case when 'self' is used
6526 inside of a class method.
6527 (build_message_expr): Issue a warning if class method is desired
6528 but instance method is found instead.
6529 (conforms_to_protocol): Streamline.
6530 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6531 protocol Foo, even if 'Bar foo' does not.
6532 (check_protocols): Streamline.
6533 (start_protocol): Add checks for circular and duplicate protocol
6535 (encode_aggregate_within): For typedefs of structs, encode the
6537 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6538 (objc_declare_protocols): New prototype.
6540 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6542 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6543 * cpplex.c (handle_newline): Update prototype. Maintain logical
6545 (skip_escaped_newlines, skip_block_comment, parse_string):
6547 (_cpp_lex_token): Update, and store token position within the token.
6548 * cpplib.h (struct cpp_token): Add line and column entries.
6549 * cppmacro.c (replace_args): Position stringified tokens correctly.
6551 2001-08-01 Andreas Jaeger <aj@suse.de>
6553 * basic-block.h: Add prototype for last_loop_beg_note.
6555 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6557 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6558 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6560 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6561 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6562 expand_decl_cleanup.
6563 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6565 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6566 operand while calling simple_cst_equal.
6567 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6568 operand is the cleanup expression, the third is the RTL_EXPR.
6569 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6571 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6573 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6575 2001-07-31 matthew green <mrg@eterna.com.au>
6577 * config.gcc (i386-*-netbsdelf): New description.
6578 * config/i386/netbsd-elf.h: New file.
6580 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6582 * loop.c (check_dbra_loop): Use single_set to compute
6585 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6587 PowerPC reorg and support for powerpc64-*-linux*.
6589 Also fixes emitting of constants on 32 bit and 64 bit
6592 * config.gcc: powerpc64-*-linux* is a new target.
6593 Things that needed aix.h now also include xcoff.h
6595 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6597 Move AIX specific stuff into aix.h.
6598 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6599 with more than just XCOFF now.
6600 (SET_ASM_OP): Remove, now defined where needed.
6601 (FUNCTION_PROLOGUE): New macro definition.
6602 (FUNCTION_EPILOGUE): New macro definition.
6603 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6605 * config/rs6000/xcoff.h: New file.
6607 * config/rs6000/linux64.h: New file.
6609 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6611 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6613 * rs6000.c (print_operand_address): Handle ELF syntax.
6614 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6615 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6616 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6618 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6620 * rs6000.c (rs6000_override_options): Only disable
6621 flag_function_sections for XCOFF.
6622 (exact_log2_cint_operand): New predicate.
6623 (reg_or_{add,sub}_cint64_operand): New predicates.
6624 (add_operand): Compare CONST_INT with fewer function calls.
6625 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6626 (print_operand, case 'p'): Ensure positive operand.
6627 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6628 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6629 (PREDICATE_CODES): Add new predicates.
6630 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6631 (divsi3, modsi3): Ensure positive power-of-2.
6632 (adddi3): Use new predicate. Split 32-bit constants more
6633 correctly. Re-arrange splitter to handle any constant.
6634 (subdi3): Use new predicate.
6635 (divdi3, moddi3): Ensure positive power-of-2.
6636 (movdi): Use rs6000_emit_set_const.
6637 (load_toc_v4_pic_di): Delete.
6639 2001-07-31 Graham Stott <grahams@redhat.com>
6641 * function.c (pad_below): Revert 2001-07-26 patch.
6643 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6645 * reg-stack (convert_regs_1): Fix best edge condition.
6647 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6649 * jump.c (duplicate_loop_exit_test): Better test for jumps
6650 entering the loop; create loop pre_header.
6652 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6654 * doc/install.texi: Add s390 and s390x as new targets.
6655 * doc/invoke.texi: Add documantation of S/390 and zSeries
6657 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6659 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6661 * config/m68k/m68k.md: Replace all general_operand with
6662 nonimmediate_operand for all destinations.
6663 * config/m68k/m68k.c (not_sp_operand): Likewise.
6665 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6667 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6669 2001-07-30 Richard Henderson <rth@redhat.com>
6671 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6672 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6674 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6676 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6677 Add missing doc strings
6678 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6679 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6681 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6683 * i386.c (ix86_output_main_function_alignment_hack): New function.
6684 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6686 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6687 edges by EDGE_DFS_BACK flag.
6688 (dump_edge_info): Add dfs_back flag.
6689 * basic-block.h (EDGE_DFS_BACK): New constant.
6690 (mark_dfs_back_edges): Declare.
6691 * alias.c (loop_p): Remove.
6692 (mark_constant_function): Use mark_dfs_back_edges.
6694 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6695 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6696 (compensate_edge): Break out from ...
6697 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6698 (convert_regs_2): Set block_done once block is really done;
6699 Do updating of the predecesors counts.
6701 * toplev.c (rest_of_compilation): Recompute block_for_insn
6702 before post-reload cfg_cleanup.
6703 * function.c (thread_prologue_epilogue_insns):
6704 Call set_block_for_new_insns when emitting prologue directly.
6706 2001-07-30 Andreas Jaeger <aj@suse.de>
6708 * jump.c: Add prototype for mark_modified_reg.
6710 * cse.c (set_live_p): Add unused attribute.
6712 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6714 (scan_for_source_files): Use long for count to avoid overflow.
6715 (output_data): Likewise.
6716 (output_data): Don't use string concatatenation to silence gcc
6719 * predict.c: Fix typos and grammar.
6721 * gcse.c (insert_insn_end_bb): Remove unused variables.
6723 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6725 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6726 (attempt_auto_inc): LIkewise.
6727 (mark_used_reg): Likewise.
6728 (try_pre_increment_1): Likewise.
6729 * regclass.c (regclass): Likewise.
6730 * global.c (allocno_compare): Update comment; change scaling factor.
6731 * local-alloc.c (QTY_CMP_PRI): Likewise.
6732 * regs.h (REG_FREQ_FROM_BB): New.
6733 (REG_FREQ_MAX): Likewise.
6735 2001-07-30 H.J. Lu <hjl@gnu.org>
6737 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6740 2001-07-30 H.J. Lu (hjl@gnu.org)
6742 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6743 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6744 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6746 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6748 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6749 as -mthumb-interwork when -mcpu=arm7 is specified.
6751 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6753 * predict.def (noreturn, loop branch, loop exit): Mark as first
6756 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6758 * combine.c (try_combine): Avoid barrier after noop jumps.
6760 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6762 * cpphash.h (struct cpp_reader): Remove import_warning.
6763 * cpplib.c (skip_rest_of_line): Don't bother turning off
6765 (parse_include): Move include handling to...
6766 (do_include_common): ... here. Move import warning from...
6767 (do_import): ... here.
6768 (do_pragma_poison): Don't do a callback for poison identifiers.
6769 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6770 * cppmain.c (setup_callbacks): Similarly.
6772 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6774 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6775 handle multiple sets.
6776 * except.c (sjlj_mark_call_sites): .... here.
6777 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6779 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6781 Suggested by Richard Henderson and Richard Kenner:
6782 * combine.c (recog_for_combine): Use the fake recog
6783 only if instruction does not match.
6784 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6785 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6787 * combine.c (try_combine): Discover noop jump as direct jump.
6789 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6791 * df.c (df_rd_global_compute): Add successors to worklist, not
6793 (df_ru_global_compute): Ditto.
6795 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6797 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6798 increment REG_N_SETS.
6800 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6802 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6804 * sbitmap.c (sbitmap_a_xor_b): New function.
6805 ifdef the basic block stuff on IN_GCC.
6807 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6809 * cppexp.c (parse_defined): Always record the macro name.
6810 (lex): Don't worry about identifiers, or special-case
6812 (_cpp_parse_expr): Figure out at the end of the routine
6813 whether we saw a valid !defined() expression.
6814 * cppfiles.c (stack_include_file): Update for mi_valid.
6815 (_cpp_pop_file_buffer): Similarly.
6816 * cpplex.c (_cpp_lex_token): Similarly.
6817 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6818 mi_if_not_defined, mi_lexed): Remove.
6820 * cpplib.c (do_if): Simplify.
6821 (do_endif, push_conditional, _cpp_handle_directive): Update
6822 for renaming of mi_state to mi_valid.
6824 * cpp.texi: Add index entries for digraphs, and add comment
6825 that C++ refers to them as alternative tokens.
6827 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6829 * basic-block.h (CLEANUP_PRE_LOOP): New.
6830 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6831 * sibcall.c (optimize_sibling_calls): Likewise.
6832 * toplev.c (rest_of_compilation): Likewise.
6833 * flow.c (try_forward_edges): Take argument MODE;
6834 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6835 (try_optimize_cfg): Update call of try_forward_edges.
6837 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6838 Jan Hubicka <jh@suse.cz>
6840 * (validate_replace_rtx_1): Fix simplification of MINUS.
6842 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6844 PR preprocessor/3669
6845 * cppinit.c (init_dependency_output): Turn off dump requests
6846 if sending dependencies to stdout.
6848 2001-07-28 Richard Henderson <rth@redhat.com>
6850 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6853 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6855 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6857 2001-07-28 Kazu Hirata <kazu@hxi.com>
6859 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6860 is VAR_DECL first to prevent an ICE.
6862 2001-07-28 Richard Henderson <rth@redhat.com>
6864 * varasm.c (immed_real_const_1): Don't elide special cases for
6866 (clear_const_double_mem): Clear const_tiny_rtx too.
6868 2001-07-28 Richard Henderson <rth@redhat.com>
6870 * dwarf2out.c (dw_val_class_offset): New.
6871 (struct dw_ranges_struct, dw_ranges_ref): New.
6872 (ranges_table, ranges_table_allocated): New.
6873 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6874 (add_AT_offset, add_ranges, output_ranges): New.
6875 (print_die, output_die): Handle dw_val_class_offset.
6876 (attr_checksum, size_of_die, value_format): Likewise.
6877 (gen_lexical_block_die): Handle non-contiguous blocks.
6878 (gen_block_die): Likewise.
6879 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6880 if needed. Dump the ranges table.
6881 * final.c (final_start_function): Remove unnecessary notes and
6882 rebuild the block tree before numbering the blocks.
6883 * function.c (reorder_blocks_0): Walk the existing block tree
6884 to unmark all blocks.
6885 (reorder_blocks_1): Create block fragments when duplicate block
6887 (reorder_fix_fragments): New.
6888 (reorder_blocks): Call it.
6889 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6891 2001-07-28 Richard Henderson <rth@redhat.com>
6893 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6895 2001-07-28 Richard Henderson <rth@redhat.com>
6897 * flow.c (add_to_mem_set_list): New function.
6898 (init_propagate_block_info): Use it.
6899 (mark_set_1): Likewise.
6900 (insn_dead_p): Canonicalize memory address for dead store
6901 comparison. Allow wider mode stores to kill narrower mode stores.
6902 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6903 (invalidate_mems_from_set): Don't handle MEMs.
6905 2001-07-28 Kazu Hirata <kazu@hxi.com>
6907 * config/h8300/h8300.h: Fix formatting.
6909 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6911 * basic-block.h (EDGE_FREQUENCY): New macro.
6912 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6914 * flow.c (find_sub_basic_blocks): Likewise.
6915 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6916 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6918 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6919 (HITRATE): New macro.
6920 (PRED_FLAG_FIRST_MATCH): New constant.
6921 (predictor_info): New field flgags.
6922 (combine_predictions_for_insn): Use DS theory to combine
6923 probabilities; set the edge probabilities when finished.
6924 (estimate_probability): Avoid duplicated matches
6925 of LOOP_BRANCH heuristics for nested loops; update comment.
6926 * predict.def: Add flags for each prediction, set probabilities
6927 according to B&L paper.
6928 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6930 * profile.c (compute_branch_probabilities): Cleanup way the edge
6931 probabilities are computed and REG_BR_PROB notes are dropped; if
6932 values does not match, emit error.
6933 (init_branch_prob): Do error instead of warning when profile driven
6934 feedback is missing or corrupt.
6936 2001-07-27 DJ Delorie <dj@redhat.com>
6938 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6939 against a constant, try to adjust the compare to have the desired
6940 constant in it so that min/max optimizations happen more often.
6942 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6944 * flow.c (last_loop_beg_note): New function.
6945 (redirect_edge_and_branch): Use it.
6946 (split_edge): Likewise.
6948 * alias.c (loop_p): Avoid uninitialized memory access.
6950 * flow.c (try_forward_edges): Avoid accessing freed memory.
6952 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6955 2001-07-26 Andrew Haley <aph@redhat.com>
6956 Joern Rennecke <amylaar@redhat.com>
6958 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6959 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6960 (SUBTARGET_CPP_SPEC): New.
6962 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6963 (SUBTARGET_CPP_PTR_SPEC): New.
6964 (CPP_DEFAULT_CPU_SPEC): New.
6965 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6966 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6967 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6968 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6969 (SUBTARGET_CPP_SPEC): Define as an empty string.
6971 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6973 * doc/install.texi (Configuration): Properly link the host
6974 specific instructions also when generating HTML.
6976 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6978 * flow.c (redirect_edge_and_branch_force): Test
6979 target->global_live_at_start.
6981 2001-07-26 Richard Henderson <rth@redhat.com>
6983 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6984 * rtl.h (avoid_constant_pool_reference): Declare it.
6985 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6986 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6988 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6990 * rtl.h (cleanup_barriers): Declare.
6991 * jump.c (cleanup_barriers): New function.
6992 * toplev.c (rest_of_compilation): Call cleanup_barriers
6993 before loop optimizer and after bb_reorder.
6995 * flow.c (back_edge_of_syntactic_loop_p): New.
6996 (split_edge): Use it.
6998 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7000 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
7002 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
7004 * cse.c (cse_process_notes): Replace any registers if the address
7007 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
7009 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
7010 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
7011 (propagate_block): Update prototype.
7012 * flow.c (update_life_info): Simplify the CFG and
7013 recalculate the global regs which are alive when
7014 removing dead code during a global update.
7015 (propagate_block): Return non-zero if an INSN is
7018 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7020 * Makefile.in (LIBICONV): Define.
7022 2001-07-26 Catherine Moore <clm@redhat.com>
7024 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
7025 of conditional to avoid tree checking errors.
7027 2001-07-26 Kazu Hirata <kazu@hxi.com>
7029 * regmove.c (regmove_optimize): Don't replace a reg with
7030 another reg of a different mode.
7032 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
7034 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
7035 limit length of dependancy flush list.
7036 * params.h (MAX_PENDING_LIST_LENGTH): Define.
7037 * sched-int.h (struct deps): Add pending_flush_length field.
7038 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
7039 has 1 element in it.
7040 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
7041 (sched_analyze): After a jump, if the pending memory flush list is too
7042 large, flush the pending lists.
7043 (init_deps): Initialize pending_flush_length to 0.
7044 * doc/invoke.texi (max_pending_list_length): Document parameter.
7046 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
7048 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
7049 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
7050 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
7052 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7054 * cpphash.h (struct_lexer_state): Delete was_skipping.
7055 Move skipping here from struct cpp_reader.
7056 * cpplex.c (parse_identifier): Update.
7057 (_cpp_lex_token): Don't skip tokens in a directive.
7058 * cpplib.c (struct if_stack): Update.
7059 (start_directive, end_directive): Don't change skipping state.
7060 (_cpp_handle_directive): Update.
7061 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
7062 (do_else, do_endif): Update; only check for excess tokens if not
7063 in a skipped conditional block.
7064 (push_conditional): Update for new struct if_stack.
7066 2001-07-26 Graham Stott <grahams@redhat.com>
7068 * function.c (locate_and_pad_parm): Also pad initial offset
7069 so that the total argument size also includes the padding.
7071 2001-07-26 Graham Stott <grahams@redhat.com>
7073 * gensupport.c (alter_output_for_insn): Correct enable checking failure
7074 change XSTR to XTMPL.
7076 (process_one_cond_exec): Likewise
7078 2001-07-25 Richard Henderson <rth@redhat.com>
7080 * varasm.c (assemble_variable): Create DECL_RTL before setting
7083 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
7085 * predict.c (estimate_probability): Avoid duplicated predictions.
7087 * loop.c (find_and_verify_loops): Grok multiple barriers.
7089 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7091 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
7093 * dbxout.c: Consistently use putc instead of fputc.
7094 (print_wide_int): New function; call instead of direct fprintf.
7095 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
7096 (dbxout_type_fields, dbxout_type_method_1): Likewise.
7097 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
7098 (print_int_cst_octal): Likewise.
7099 (print_octal): Show we wrote characters.
7100 (dbxout_type): Set have_used_extensions in more places.
7102 2001-07-25 Catherine Moore <clm@redhat.com>
7104 * config/v850/v850.c (v850_va_arg): Use addr
7105 instead of valist to build incr.
7107 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
7109 * flow.c (delete_dead_jumptables): New function.
7110 (life_analyzis): Call it.
7111 * bb-reorder.c (skip_insns_after_block): Handle contradictory
7114 2001-07-25 Richard Henderson <rth@redhat.com>
7116 * except.c (reachable_handlers): Handle a region being removed
7117 out from under a RESX.
7119 2001-07-25 Richard Henderson <rth@redhat.com>
7121 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
7122 swap GE/GT if it is an fp comparison.
7124 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
7126 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
7129 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
7131 * ssa.c (rename_insn_1): Do not wrap an assignment to a
7132 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
7135 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
7137 (visit_expression): When attempting to simplify an expression,
7138 retrieve any modes for arguments before they are simplified
7141 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7142 Janis Johnson <janis@us.ibm.com>
7144 * stmt.c (expand_goto): A nonlocal goto can be a call too.
7145 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
7146 pointer parameters to match documented usage of nonlocal_goto.
7147 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
7148 parameters to their correct order.
7149 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
7150 parameters to their correct order.
7152 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
7154 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
7156 2001-07-25 Jan Hubicka <jh@suse.cz>
7157 Richard Henderson <rth@redhat.com>
7159 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
7161 (make_edges): New argument update_p; populate the edge cache if set.
7162 (find_basic_blocks): Update make_edges invocation.
7164 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7166 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
7168 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7170 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
7171 -Acpu and -Amachine.h.
7172 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
7173 Corrected header to say ELF not a.out.
7174 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
7175 when given -msoft-float.
7177 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7179 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
7180 extra multilib parts like arm-elf.
7181 (i960-*-coff*, i960-*-rtems): Should not use collect2.
7182 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
7183 crtfini.o as extra multilib parts.
7185 2001-07-24 Joel Sherrill <joel@OARcorp.com>
7187 * configure.in: Add rtems as a supported thread model.
7188 * gthr-rtems.h: Add missing entry point __gthread_active_p.
7189 * configure: Rebuilt.
7191 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
7193 * stor-layout.c (get_mode_alignment): make it work when
7194 BITS_PER_UNIT is not a power of two.
7195 * builtins.c (get_pointer_alignment): Likewise.
7197 2001-07-24 Richard Henderson <rth@redhat.com>
7199 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
7200 the retrieved constant into the expected mode.
7202 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
7204 * flow.c (try_simplify_condjump): Avoid duplicated edges.
7205 (verify_flow_info): Check for duplicated edges; clarify
7208 * flow.c (block_label): Update basic_block_for_insn.
7209 (commit_edge_insertions): Call compute_bb_for_insn.
7211 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
7214 * flow.c (redirect_edge_and_branch,
7215 try_optimize_cfg): Use redirect_edge_succ_nodup
7216 (redirect_edge_succ_nodup): New.
7217 * basic_block.h (redirect_edge_succ_nodup): Declare.
7219 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
7222 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
7224 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
7225 (try_crossjump_to_edge): Update commetns.
7226 (try_crossjump_bb): Likewise.
7228 2001-07-24 Richard Henderson <rth@redhat.com>
7230 * combine.c (distribute_notes): Move set of need_refresh
7231 for noop_move_p down to catch all cases.
7233 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
7235 * recog.c (split_all_insns_noflow): New.
7236 * rtl.h (split_all_insns_noflow): Declare.
7237 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
7238 * m68hc11.c (m68hc11_reorg): Likewise.
7239 * sh.c (machine_dependent_reorg): Likewise.
7240 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
7243 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7245 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
7246 (ashlsi3_n splitter): Likewise.
7247 (lshrsi3_n splitter): Likewise.
7249 (GOTaddr2picreg): Make const SImode.
7250 (sym_label2reg): Likewise.
7251 (symGOT2reg): Likewise.
7252 (symGOTOFF2reg) Likewise.
7254 (casesi_worker_0): Make unspec SImode.
7256 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
7258 * config/sh/sh.c (barrier_align): Check that an operand really is
7259 an insn before extracting its INSN_CODE.
7261 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
7263 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
7266 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
7267 for SImode to prevent overflow.
7269 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7271 * config/mips/irix6-libc-compat.c: New file.
7272 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7273 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7276 2001-07-24 lars brinkhoff <lars@nocrew.org>
7278 * rtl.texi (REG_POINTER): Document.
7279 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7280 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7282 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7284 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7286 2001-07-23 Richard Henderson <rth@redhat.com>
7288 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7290 2001-07-23 Kazu Hirata <kazu@hxi.com>
7292 * config/h8300/h8300-protos.h: Add a prototype for
7293 general_operand_dst_push.
7294 * config/h8300/h8300.c (general_operand_dst_push): New.
7295 * config/h8300/h8300.h (OK_FOR_T): New.
7296 (EXTRA_CONSTRAINT): Use it.
7297 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7298 the existing movqi pattern.
7299 (movhi_push): Likewise.
7301 * reload.c: Fix comment typos.
7303 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7305 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7307 2001-07-23 H.J. Lu (hjl@gnu.org)
7309 * doc/extend.texi: Update __builtin_return_address and
7310 __builtin_frame_address.
7312 2001-07-23 Richard Henderson <rth@redhat.com>
7314 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7316 * config/i386/i386.md: New setcc+movzbl peephole2.
7318 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7320 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7321 * objc/objc-act.c: Include debug.h.
7322 (synth_module_prologue): Save and restore debug hooks too.
7324 2001-07-23 lars brinkhoff <lars@nocrew.org>
7326 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7327 and C4X_FLOAT_FORMAT.
7328 (BOOL_TYPE_SIZE): Document.
7330 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7332 * unroll.c (loop_iterations): Fix miscalculation of initial
7335 2001-07-13 Andrew Haley <aph@redhat.com>
7337 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7338 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7339 * config/sh/sh.c (sh_can_redirect_branch): New function.
7340 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7341 * reorg.c (steal_delay_list_from_target): Use
7342 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7344 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7346 * flow.c (try_simplify_condjump): Unlink insn chain on
7347 fallthru edge; use can_fallthru.
7349 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7351 * basic-block.h (find_sub_basic_block): Declare.
7352 * flow.c (make_edges): New arguments MIN and MAX;
7353 (find_sub_basic_blocks): Revamp to use make_edges
7354 and purge_dead_edges.
7355 (find_basic_blocks): Update call of find_sub_basic_block.
7357 * recog.c (split_all_insns): Always expect CFG to be consistent;
7358 call find_sub_basic_blocks in case something has changed.
7359 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7362 * basic-block.h (delete_noop_moves): Declare.
7363 * combine.c (combine_instructions): Call it.
7364 (recog_for_combine): Tolerate noop moves
7365 (distribute_notes): Force refresh when register dies at noop move.
7366 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7368 (life_analysis): Update delete_noop_moves call.
7369 (set_noop_p): Move too ...
7370 * rtlanal.c (noop_move_p): ... here.
7371 * rtl.h (noop_move_p): Declare.
7373 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7374 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7376 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7377 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7379 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7381 * reload.c (push_reload): Fix typo in comment.
7382 (find_reloads_address): Ditto.
7383 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7385 2001-07-22 Richard Henderson <rth@redhat.com>
7387 * flow.c: Grammar check and clarify a lot of comments.
7388 (try_simplify_condjump): Rename variables to be clearer.
7389 (try_forward_edges): Skip complex and fallthru edges.
7390 Rearrange tests to avoid duplicate checks.
7391 (flow_find_cross_jump): Likewise.
7392 (outgoing_edges_match): Allow match if neither branch has
7393 probability data. Loosen probability match to 5%.
7394 (try_crossjump_to_edge): Hoist repeated indirection into
7396 (try_crossjump_bb): Don't check complex edges. Eliminate
7397 redundant crossjump tests.
7398 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7399 checks before more expensive checks.
7401 2001-07-22 Richard Henderson <rth@redhat.com>
7403 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7404 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7407 2001-07-22 Richard Henderson <rth@redhat.com>
7409 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7410 (const_sint32_operand): Likewise.
7411 * m68k.md (anon mulsi pattern): Use const_int_operand not
7412 const_sint32_operand.
7413 (umulsi3_highpart): Zero extend a constant input.
7414 (smulsi3_highpart): Don't bother checking SImode constant.
7415 (const_umulsi3_highpart): Give op3 DImode.
7416 (const_smulsi3_highpart): Likewise.
7418 2001-07-22 Richard Henderson <rth@redhat.com>
7420 * flow.c (split_block): Make sure bb_note is included in the
7421 new block when splitting before a label.
7423 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7425 * basic-block.h (redirect_edge_and_branch_force,
7426 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7427 * flow.c (redirect_edge_and_branch_force,
7428 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7429 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7430 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7431 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7432 instead of label; update CFG after transformation.
7433 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7434 for finishing the transformation; handle even case where ELSE
7435 does not follow THEN.
7436 (find_if_case_2): Update call of dead_or_predictable; simplify
7439 * emit-rtl.c (split_branch_probability): New global variable.
7440 (try_split): Take care to set split_branch_probability and
7441 create REG_BR_PROB note for new jump insns.
7442 * md.texi (define_split): Document new feature.
7444 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7446 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7448 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7449 (asm_out_file): Remove redundant declaration.
7450 (assemble_asm): Remove old #if 0 block.
7451 (assemble_variable): Remove end of function; debug output is
7452 now handled with global_decl. Remove old #if 0 block. Update.
7453 Remove saved_in_section and associated no-op code.
7454 * Makefile.in (varasm.o): Correct dependencies.
7456 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7458 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7459 the definition in defaults.h.
7461 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7463 * jump.c: Update comments.
7464 (delete_barrier_successors, delete_unreferenced_labels,
7465 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7466 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7467 jump_optimize, jump_optimize_minimal): Kill.
7468 (rebuild_jump_labels): Move code from jump_optimize_1.
7469 (purge_line_number_notes): Likewise.
7470 (copy_loop_headers): Likewise.
7471 * reg-stack.c: Update comment.
7473 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7474 JUMP_AFTER_REGSCAN): Kill.
7475 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7476 purge_line_number_notes and copy_loop_headers.
7478 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7479 Richard Henderson <rth@redhat.com>
7481 * dbxout.c (dbxout_global_decl): New.
7482 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7483 * sdbout.c (sdbout_finish): New.
7484 (sdbout_debug_hooks): Use it, add comments.
7485 (sdbout_global_decl): Defer initialised public vars to
7487 * varasm.c (assemble_variable): Don't output debug information
7488 for file-scope variables.
7490 2001-07-22 Richard Henderson <rth@redhat.com>
7492 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7493 (get_round_mode_suffix): New.
7494 (print_operand): Use them for [/]. Remove support for [&'`()+].
7495 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7496 * config/alpha/alpha.md (attr round_suffix): New.
7497 (attr trap_suffix): New.
7498 (all insns): Set them appropriately. Use %/ instead of the
7501 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7503 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7505 2001-07-22 Richard Henderson <rth@redhat.com>
7507 * regrename.c (regrename_optimize): Compute nregs for each
7508 potential target register.
7510 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7511 Richard Henderson <rth@redhat.com>
7513 * dbxout.c (dbxout_global_decl): New.
7514 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7515 * sdbout.c (sdbout_finish): New.
7516 (sdbout_debug_hooks): Use it, add comments.
7517 (sdbout_global_decl): Defer initialised public vars to
7519 * varasm.c (assemble_variable): Don't output debug information
7520 for file-scope variables.
7522 2001-07-21 H.J. Lu (hjl@gnu.org)
7524 * config/mips/mips.c (mips_cpu): Moved into ...
7525 (override_options): Here.
7527 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7529 (mips_cpu): Removed.
7531 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7533 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7534 ("iorqi3"): Likewise.
7535 ("xorqi3"): Likewise.
7536 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7537 ("*subhi3_sp): Likewise.
7538 ("*subhi3"): Likewise.
7539 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7542 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7544 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7545 * config/freebsd.h: Likewise.
7546 * config/linux.h: Likewise.
7547 * config/openbsd.h: Likewise.
7548 * config/alpha/linux-elf.h: Likewise.
7549 * config/arm/linux-elf.h: Likewise.
7550 * config/d30v/d30v.h: Likewise.
7551 * config/fr30/fr30.h: Likewise.
7552 * config/ia64/aix.h: Likewise.
7553 * config/ia64/ia64.h: Likewise.
7554 * config/mips/linux.h: Likewise.
7555 * config/pj/pj.h: Likewise.
7556 * config/rs6000/linux.h: Likewise.
7557 * config/sparc/linux.h: Likewise.
7558 * config/sparc/linux64.h: Likewise.
7560 2001-07-20 Bruce Korb <bkorb@gnu.org>
7562 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7563 because getc() and char* may disagree on signedness.
7565 2001-07-20 Richard Henderson <rth@redhat.com>
7567 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7569 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7570 insns to delete in the presence of cc0 in a jump insn.
7572 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7573 Jan Hubicka <jh@suse.cz>
7575 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7576 of doing the change by hand.
7578 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7580 * rtlanal.c (set_noop_p): Return true for noop jumps.
7582 * expr.c (emit_single_push_insn): Add call to push expander.
7583 * expr.h (optab_index): Add OTI_push
7584 (push_optab): New constant.
7585 * genopinit.c (optabs): Add push_optab.
7586 * optabs.c (init_optab): Init push optab.
7587 * md.texi (push??1): Document
7589 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7591 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7592 expand to emit the pattern; put a REG_INC note for push/pop
7594 ("movdf", "movdf_internal"): Likewise.
7595 ("movsi", "movsi_internal"): Likewise.
7596 ("movsf", "movsf_internal"): Likewise.
7597 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7599 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7601 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7604 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7606 * params.def: Change default max inline insns to 100.
7608 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7610 * combine.c (combine_simplify_rtx): Generate a new shift operation
7611 when simplifying the first operand of a (neg (ashift)) expression.
7613 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7615 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7617 2001-07-20 Kelley Cook <kelley.cook@home.com>
7619 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7620 information. Move rest into ...
7621 (*-*-solaris): ... here. Eliminate redundant information and
7622 reword necessary packages section. Delete 4.x assembler bug info.
7623 (sparc-sun-*): Merge into ...
7624 (sparc-sun-sunos*): here.
7626 2001-07-20 Catherine Moore <clm@redhat.com>
7628 * config/v850/v850.md (casesi): Generate LABEL_REF
7631 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7633 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7634 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7635 * i386.md (strclrsi expander): Use it.
7637 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7639 * integrate.c (copy_insn_list): handle
7640 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7641 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7642 identically as to CODE_LABEL.
7644 * fold-const (fold): Convert A/B/C to A/(B*C) and
7647 * except.c (connect_post_landing_pads): Delete the RESX insns.
7649 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7651 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7653 * config/mips/mips.md (nmadd/nmsub): Use macro.
7655 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7657 * cppinit.c (remove_dup_dir): Make static.
7658 (remove_dup_dirs): Make static. Only warn about preempting a
7659 system directory with a non-system directory.
7661 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7663 * ifcvt.c (noce_try_store_flag_constants): Correct order
7664 of parameters to trunc_int_for_mode.
7666 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7668 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7669 an exception that will be caught within this function, do not fill
7670 its delay slot with any subsequent instruction.
7672 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7674 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7675 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7676 pointer extension instruction.
7677 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7678 * simplify-rtx.c (simplify_unary_operation) Likewise.
7679 * explow.c (convert_memory_address) Check value of
7680 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7682 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7683 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7684 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7685 Add Multilib Support.
7686 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7687 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7688 Add Multilib Support.
7689 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7691 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7692 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7693 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7695 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7697 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7698 old and new operands in `<', `3' and `b'.
7700 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7702 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7703 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7704 (toplev.o): Don't depend on xcoffout.h.
7705 * c-decl.c: Include debug.h
7706 (duplicate_decls): Use debug hook.
7707 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7708 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7709 (dbxout_types): Remove.
7710 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7711 * debug.c (do_nothing_debug_hooks): Update.
7712 (debug_true_tree, debug_nothing_rtx): New.
7713 * debug.h (struct rtx_def): New.
7714 (struct gcc_debug_hooks): New hooks ignore_block,
7715 outlining_inline_function and label.
7716 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7717 dwarf2out_frame_finish): New.
7718 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7719 Make static, update prototype.
7720 (dwarf2_debug_hooks): Update.
7721 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7722 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7723 * dwarfout.c (dwarf_debug_hooks): Update.
7724 * emit-rtl.c: Include debug.h.
7725 (remove_unnecessary_notes): Use debug hook.
7726 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7727 (final_scan_insn): Use debug hook.
7728 * integrate.c (output_inline_function): Use debug hook.
7729 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7730 (sdb_debug_hooks): Update.
7731 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7732 * toplev.c: Don't include xcoffout.h.
7733 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7734 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7736 * tree.h (dwarf2out_do_frame): Remove.
7738 2001-07-19 Catherine Moore <clm@cygnus.com>
7740 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7742 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7744 * reload1.c (eliminate_regs_in_insn): When updating a set
7745 to the frame pointer to the hardware frame pointer, perform
7746 the update always not just when REPLACE is set.
7748 * reload1.c (choose_reload_regs): Don't inherit a reload
7749 that crosses multiple registers if registers past the first
7750 don't fit in the desired class.
7752 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7753 when negating constants.
7755 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7757 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7758 * doc/tree.texi: Ditto.
7760 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7761 Jakub Jelinek <jakub@redhat.com>
7763 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7764 (extract_cie_info): Handle "eh" augmentation properly,
7766 (struct frame_state, __frame_state_for): New.
7768 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7770 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7771 HANDLE_SYSV_PRAGMA): Define.
7772 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7774 (copy_object): Caller changed.
7776 2001-07-19 Andreas Schwab <schwab@suse.de>
7778 * configure.in (assembler dwarf2 debug_line support): Define nop
7780 * configure: Regenerated.
7782 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7784 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7786 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7787 to conditionally compiled block.
7788 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7789 * dbxout.h (dbxout_function): Remove.
7790 * debug.c (do_nothing_debug_hooks): Update.
7791 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7792 global_decl, deferred_inline_function.
7793 * dwarf2out.c (dwarf2_debug_hooks): Update.
7794 (dwarf2out_global_decl): New.
7795 * dwarfout.c: Don't include dwarfout.h.
7796 (dwarfout_global_decl, dwarfout_function_decl,
7797 dwarfout_deferred_inline_function): New.
7798 (dwarf_debug_hooks): Update.
7799 * dwarfout.h: Remove.
7800 * final.c: Don't include dwarfout.h.
7801 * sdbout.c (sdbout_global_decl): New.
7802 (sdbout_debug_hooks): Update.
7803 * toplev.c: Don't include dwarfout.h.
7804 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7805 (note_deferral_of_defined_inline_function): Remove.
7806 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7807 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7808 * ch/lex.c: Don't include dwarfout.h.
7809 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7810 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7811 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7812 * cp/optimize.c: Include debug.h.
7813 (maybe_clone_body): Use debug hook.
7814 * cp/semantics.c: Include debug.h.
7815 (expand_body): Use debug hook.
7816 * po/POTFILES.in: Remove dwarfout.h.
7818 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7820 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7821 * c-parse.in (yyerror, _yylex): Similarly.
7822 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7823 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7825 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7826 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7828 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7830 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7831 in-class declaration at -g1. Fixes c++/2814.
7833 2001-07-18 Richard Henderson <rth@redhat.com>
7835 * doc/md.texi (reload_in/out): Document restrictions in predicates
7836 and constraints for these patterns. Document empty string matching
7839 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7841 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7843 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7845 * cse.c: Undo my previous patch.
7847 2001-07-18 Tom Tromey <tromey@redhat.com>
7850 * configure: Rebuilt.
7851 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7853 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7855 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7856 Jan Hubicka <jh@suse.cz>
7858 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7859 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7860 * jump.c (mark_jump_label): Do not forward branches.
7862 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7864 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7865 when return value is unused.
7867 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7869 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7871 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7873 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7874 on error. We can't blindly return the result of
7875 pthread_mutex_trylock because it returns a positive number on
7876 error, while we must return -1 on error.
7877 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7879 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7881 2001-07-18 Andreas Jaeger <aj@suse.de>
7883 * integrate.c (output_inline_function): Correct type of debug_hooks.
7885 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7887 * combine.c (combine_simplify_rtx): DIV can be treated
7888 associatively for floats if unsafe math optimisations are enabled.
7890 2001-07-17 Richard Henderson <rth@redhat.com>
7892 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7894 2001-07-17 Richard Henderson <rth@redhat.com>
7896 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7897 don't force the function address into a register.
7898 (expand_call, emit_library_call_value_1): Update callers.
7899 * builtins.c (expand_builtin_apply): Likewise.
7900 * expr.h (prepare_call_address): Update decl.
7902 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7904 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7906 * config/i386/chorus.h: Move up.
7907 * config/sparc/chorus.h: Likewise.
7908 * config/rs6000/chorus.h: Likewise.
7909 * config/chorus.h: Moved here.
7911 2001-07-17 Andreas Schwab <schwab@suse.de>
7913 * configure.in (assembler eh_frame optimization): Handle big
7915 * configure: Regenerated.
7917 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7919 * expr.c (epxand_expr): Convert divisions into multiplications by
7920 reciprocals if -ffast-math.
7922 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7924 * dbxout.c (dbxout_really_begin_function): Rename to
7925 dbxout_begin_function.
7926 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7927 (dbxout_begin_function): Remove.
7928 (dbxout_function): Update.
7929 (dbxout_source_line): Update prototype.
7930 * dbxout.h (dbxout_begin_function): Remove.
7931 * debug.c (do_nothing_debug_hooks): Update.
7932 (debug_nothing_tree): Update.
7933 (debug_nothing_charstar_rtx): Remove.
7934 * debug.h (union tree_node): Declare.
7935 (struct rtx_def): Remove.
7936 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7937 begin_function. Change source_line prototype.
7938 (debug_nothing_tree): New.
7939 (debug_nothing_charstar_rtx): Delete.
7940 (dwarf2out_begin_prologue): Moved from ...
7942 * dwarf2out.c (dwarf2_debug_hooks): Update.
7943 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7944 debug info, call dwarf2out_source_line.
7945 (dwarf2out_souce_line): Update prototype.
7946 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7947 Change prototype, make static.
7948 (dwarfout_source_line): Update prototype.
7949 (dwarf_debug_hooks): Update.
7950 * dwarfout.h (dwarfout_begin_function): Remove.
7951 * final.c (final_start_function, final_scan_insn): Use appropriate
7952 debug hooks, update to use notice_source_line.
7953 (output_source_line): Rename notice_source_line. Don't call the
7954 source_line debug hook.
7955 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7956 make static, update prototype.
7957 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7959 (sdbout_end_prologue): New.
7960 (sdbout_source_line): Update prototype.
7961 (sdbout_debug_hooks): Update.
7962 (sdbout_symbol): Remove unused var.
7963 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7965 * varasm.c: Include debug.h.
7966 (assemble_start_function): Use begin_function debug_hook.
7967 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7968 update with prototype.
7969 (xcoffout_source_line): Update prototype.
7970 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7972 (xcoffout_source_line): Update prototype.
7974 2001-07-17 Richard Henderson <rth@redhat.com>
7976 * c-typeck.c (build_binary_op): Do not shorten unsigned
7977 right shift after sign extension.
7979 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7981 * combine.c (combine_simplify_rtx): Attempt to simplify
7982 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7984 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7985 (simplify_binary_operation, simplify_unary_operation,
7986 simplify_relational_operation): Use it.
7988 * combine.c (combine_simplify_rtx): Don't do associative law
7989 on divisions; allow associative law on floats.
7991 2001-07-17 H.J. Lu <hjl@gnu.org>
7992 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7994 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7995 ASM_OUTPUT_WEAK_ALIAS are defined.
7996 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7997 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7999 * config/mips/iris5.h: ... here.
8000 (HANDLE_SYSV_PRAGMA): Defined as 1.
8001 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
8002 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
8005 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8007 * c-parse.in (all_prefix_attributes): New variable.
8008 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
8009 (maybe_resetattrs): New production.
8010 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
8011 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
8012 notype_initdcl, nested_function, notype_nested_function,
8013 component_decl, components, components_notype,
8014 component_declarator, component_notype_declarator,
8015 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
8016 ivars, mydecl, myparm): Update. Avoid prefix attributes just
8017 after a comma being applied to more than one declarator.
8018 * doc/extend.texi (Attribute Syntax): Update. Remove
8019 documentation of bugs that are no longer present.
8021 2001-07-13 Eric Christopher <echristo@redhat.com>
8023 * config/mips/mips.h: Change TUNE_MIPS* options to use
8025 (EXTRA_SPECS): Add cc1_cpu_spec.
8026 * config/mips/mips.md (muldf3): Fix typo.
8028 2001-07-16 Richard Henderson <rth@redhat.com>
8030 * config/m68k/m68k.c: Include expr.h and reload.h.
8031 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
8032 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
8034 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8035 Richard Henderson <rth@redhat.com>
8037 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
8038 (insn_live_p): Fix fall off end of function.
8039 (dead_libcall_p): Remove COUNTS argument; update callers.
8040 (delete_trivially_dead_insns): Remove unused variables.
8042 2001-07-17 Andreas Jaeger <aj@suse.de>
8044 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
8047 * lcm.c (optimize_mode_switching): Avoid warning for unused
8048 variable if !NORMAL_MODE.
8050 * flow.c (try_crossjump_to_edge): Remove unused variable.
8052 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
8054 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
8055 atexit declaration in stdlib.h.
8057 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
8059 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
8061 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8063 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
8064 * except.c (finish_eh_generation): Update call of cleanup_cfg;
8065 do rebuild_jump_labels instead of jump_optimize
8066 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
8067 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
8068 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
8070 * flow.c: Include timevar.h
8071 (find_basic_block): Push/pop timevar;
8072 (cleanup_cfg): Likewise.
8073 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
8074 * Makefile: Add dependencies on timevar.h
8076 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
8077 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
8079 * rtl.h (delete_trivially_dead_insns): Add new parameter.
8080 * toplev.c (rest_of_compilation): Update calls.
8081 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
8082 (delete_trivially_dead_insns): ... here; accept new argument
8083 preserve_basic_blocks; preserve basic blocks if set.
8085 * reg-stack.c (stack_regs_mentioned): Return 0 if
8086 stack_regs_mentioned_data is not initialized.
8087 (reg_to_stack): Make stack_regs_mentioned survive after the
8088 reg-stack is completted; do not call cleanup_cfg.
8089 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
8090 make cleanup_cfg after bb-reorder to output to debug file.
8092 2001-07-16 Richard Henderson <rth@redhat.com>
8094 * regclass.c (init_reg_sets): Use only 32 bits per initializer
8095 from int_reg_class_contents.
8097 2001-07-16 Richard Henderson <rth@redhat.com>
8099 * hard-reg-set.h (regs_invalidated_by_call): Declare.
8100 * regclass.c (regs_invalidated_by_call): Move from cse.c.
8101 (init_reg_sets_1): Move initialization from cse_main.
8102 * cse.c (regs_invalidated_by_call): Move to regclass.c.
8103 (cse_main): Move its initialization also.
8104 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
8105 * flow.c (propagate_one_insn): Likewise.
8106 * gcse.c (compute_hash_table): Likewise.
8107 (compute_kill_rd, compute_store_table): Likewise.
8108 * sched-deps.c (sched_analyze_1): Likewise.
8110 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
8112 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
8115 2001-07-16 Steve Ellcey <sje@cup.hp.com>
8117 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
8118 in if statement so we don't access undefined memory.
8120 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
8122 * gcse.c: Update comment at top.
8123 Update comment on mem handling.
8124 mem_last_set, mem_first_set, mem_set_in_block: gone.
8125 Declaration of reg_set_info: gone.
8126 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
8127 pointless with load_killed_in_block_p (they are *more*
8128 conservative then it, not less, and less accurate).
8129 (oprs_not_set_p): Ditto.
8130 (alloc_gcse_mem): Don't allocate mem_set_in_block
8131 (free_gcse_mem): Don't free it, either.
8132 (record_last_mem_set_info): Update comment in front, remove
8133 mem_*set_* stuff. Note the reason we don't handle stores directly
8135 (compute_hash_table): Update comments to reflect reality. Remove
8136 mem_*set_* references.
8137 (reset_opr_set_tables): Remove mem_*set_* references.
8139 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
8140 (mark_clobber): Ditto (on both parts, we double set here too).
8141 (expr_killed_p): Remove mem_set_in_block test.
8142 (compute_transp): Remove mem_set_in_block test.
8144 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
8145 of edge, and removal of phi alternative to dump file.
8146 (ssa_ccp_substitute_constants): Add note about register now being
8147 constant, and which uses were replaced in what insns to dump file.
8149 2001-07-16 Andreas Jaeger <aj@suse.de>
8151 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
8152 variables of type HOST_WIDEST_INT.
8154 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
8155 (__bb_exit_func): Correct type of count_max to avoid overflow.
8156 (num_digits): Handle long long argument.
8158 * combine.c (gen_lowpart_for_combine): Remove unused variable.
8160 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8162 * output.h (sdb_begin_function_line): Restore as an extern
8164 * sdbout.c (sdb_begin_function_line): Make extern.
8166 2001-07-15 Richard Henderson <rth@redhat.com>
8168 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
8169 * genrecog.c (maybe_both_true_mode): New.
8170 (maybe_both_true_2): Use it.
8171 (write_switch): Don't put Pmode in a switch.
8172 * rtl.c (mode arrays): Don't explicitly size them.
8174 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8176 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
8177 handling; move unconditional splitting before mode switching.
8179 * i386.md (type): Add fistp type.
8180 (i387, length_attr, scheduling definitions): Handle this type.
8181 (fix_trunc?f?i2): Revamp to use mode switching.
8182 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
8183 * i386.h (fp_cw_mode): New enum
8184 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
8185 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
8187 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8189 * Makefile.in (integrate.o): Add debug.h.
8190 * integrate.c (debug.h): Add.
8191 (output_inline_function): Save, reset, and restore debug_hooks.
8193 2001-07-15 Richard Henderson <rth@redhat.com>
8195 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
8196 instead of COMPARE for the EQUIV expression.
8198 2001-07-15 Richard Henderson <rth@redhat.com>
8200 * flow.c (redirect_edge_and_branch_force): Initialize
8201 global_live_at_start and global_live_at_end.
8202 (allocate_bb_life_data): Export.
8203 * basic-block.h (allocate_bb_life_data): Declare.
8204 * toplev.c (rest_of_compilation): Call it.
8206 2001-07-15 Richard Henderson <rth@redhat.com>
8208 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
8209 (alpha_tablejump_best_label): New.
8210 * config/alpha/alpha-protos.h: Declare them.
8211 * config/alpha/alpha.md: Use braced strings for code blocks.
8212 (tablejump_osf): Break out add with r29.
8213 (tablejump_osf_internal): Remove.
8214 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
8215 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
8217 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8219 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
8222 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
8224 * i386-protos.h (ix86_split_fp_branch): Update prototype.
8225 (ix86_fp_jump_nontrivial_p): New.
8226 * i386.md (fp_jcc_?): Update call of split_fp_branch;
8227 use ix86_fp_jump_nontrivial_p.
8228 * i386.c (ix86_fp_jump_nontrivial_p): New.
8229 (ix86_split_fp_branch): Accept code instead of rtx.
8230 (ix86_expand_compare): Expand comparison early in case
8231 doing so is resonably cheap.
8233 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
8235 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
8237 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
8238 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
8240 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
8242 * dbxout.c (dbxout_source_line): Make static, update prototype.
8243 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
8244 (dbxout_init, dbxout_finish, dbxout_source_line,
8245 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
8246 * dbxout.h (dbxout_source_line): Delete.
8247 * debug.c (debug_nothing_file, debug_nothing_file_int,
8248 debug_nothing_file_charstar_rtx): New.
8249 (do_nothing_debug_hooks): Update.
8250 (debug_nothing_void, debug_nothing_charstar_rtx,
8251 dwarf2out_end_epilogue): New.
8252 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8253 * debug.h (struct rtx_def): Declare.
8254 (gcc_debug_hooks): New hooks source_line, end_epilogue
8256 (debug_nothing_void, debug_nothing_charstar_rtx,
8257 dwarf2out_end_epilogue): New.
8258 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
8259 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
8260 (dwarf2_debug_hooks): Update.
8261 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
8262 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
8263 * dwarf2out.h (dwarf2out_source_line): Remove.
8264 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
8265 Make static, update prototype.
8266 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
8267 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
8268 (dwarf_debug_hooks): Update.
8269 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
8270 dwarfout_end_function): Remove.
8271 * final.c (profile_function): Use debug hooks for ending functions
8273 (output_source_line, final_end_function): Update prototype,
8275 (final_start_function, final_scan_insn): Update.
8276 * output.h (sdb_begin_function_line): Remove.
8277 (final_end_function): Update prototype.
8278 * sdbout.c (sdb_begin_function_line): Make static.
8279 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8280 (sdbout_source_line): New.
8281 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8283 (sdb_debug_hooks): Update.
8284 (sdbout_init, sdbout_source_line,
8285 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8286 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8287 * toplev.c (compile_file, rest_of_compilation): Update.
8288 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8289 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8290 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8291 Update for prototype changes.
8292 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8293 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8295 2001-07-15 Richard Henderson <rth@redhat.com>
8297 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8298 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8299 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8300 * config/alpha/alpha.c: Likewise.
8301 * config/alpha/alpha.md: Likewise.
8302 * config/alpha/alpha32.h: Likewise.
8303 * config/alpha/vms.h: Likewise.
8306 2001-07-14 Richard Henderson <rth@redhat.com>
8308 * config/alpha/alpha.md: Use define_constants for unspec values.
8309 Substitute throughout.
8311 2001-07-14 Tim Josling <tej@melbpc.org.au>
8313 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8315 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8317 * pa.md: Remove unused constraints from define_split's.
8319 2001-04-14 Richard Henderson <rth@redhat.com>
8321 * ifcvt.c (find_cond_trap): Test for exit block.
8323 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8325 Re-install recently reverted patch.
8326 * emit-rtl.c (try_split): Update mark_jump_label call.
8327 * flow.c (find_sub_basic_blocks): Likewise.
8328 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8330 (mark_all_labels): Kill second parameter.
8331 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8332 (rebuild_jump_labels, jump_optimize_minimal): Update call
8334 (jump_optimize_1): Kill crossjumping code.
8335 (mark_jump_label): Kill cross_jump parameter.
8336 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8337 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8338 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8340 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8342 (dump_file_info): Likewise.
8343 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8344 reorganize passes to do reg-stack first, bb-reorder second.
8345 * invoke.texi (-d letters doc): Remove the jump2 pass.
8347 2001-07-14 Richard Henderson <rth@redhat.com>
8349 * ifcvt.c (find_cond_trap): New.
8350 (find_if_header): Call it.
8351 (merge_if_block): Relax existing jump sanity check.
8352 * jump.c (jump_optimize_1): Remove conditional trap handling.
8354 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8356 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8358 (insn_refs_are_delayed): Correct comment.
8359 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8360 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8361 instead of r31. Make associated insn !TARGET_64BIT, and
8362 provide an additional 64-bit insn that clobbers r2.
8364 (udivsi3): Likewise.
8366 (umodsi3): Likewise.
8368 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8370 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8372 * flow.c (redirect_edge_and_branch_force, split_edge,
8373 try_crossjump_to_edge): Use set_block_for_new_insns.
8374 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8376 2001-07-13 H.J. Lu (hjl@gnu.org)
8378 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8381 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8383 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8385 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8387 * c-common.c (decl_attributes): Take a pointer to the node to
8388 which attributes are to be attached, and a flags argument.
8389 * c-common.h (enum attribute_flags): New.
8390 (decl_attributes): Update prototype.
8391 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8392 finish_enum, start_function): Update calls to decl_attributes.
8393 * c-parse.in (component_declarator, component_notype_declarator,
8394 label): Update calls to decl_attributes.
8396 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8398 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8399 * config/avr/avr.c (legitimate_address_p): Return value changed
8400 from letter to register classes. For better debugging.
8402 2001-07-13 Kazu Hirata <kazu@hxi.com>
8404 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8406 2001-07-13 H.J. Lu (hjl@gnu.org)
8408 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8410 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8412 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8413 correctly for shared configurations.
8414 * config/t-libgcc-pic: New.
8415 * config/{i386,m68k,sparc}/t-openbsd: New.
8416 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8417 Support -shared. Support debugging libraries with -g.
8418 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8419 frame information does not emit pointer diffs.
8420 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8423 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8425 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8427 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8429 * combine.c (try_combine): Ensure const_int pow2 is positive.
8431 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8433 * config.gcc: Add configuration for s/390.
8434 * config/s390/s390.c: New. Subroutines for code generation.
8435 * config/s390/s390.h: New. Definitions for s/390.
8436 * config/s390/s390-protos.h: New. Prototypes.
8437 * config/s390/linux.h: New. Definitions for linux for s/390.
8438 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8439 * config/s390/t-linux: New. Makefile fragment.
8440 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8441 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8443 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8445 * emit-rtl.c (try_split): Update mark_jump_label call.
8446 * flow.c (find_sub_basic_blocks): Likewise.
8447 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8449 (mark_all_labels): Kill second parameter.
8450 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8451 (rebuild_jump_labels, jump_optimize_minimal): Update call
8453 (jump_optimize_1): Kill crossjumping code.
8454 (mark_jump_label): Kill cross_jump parameter.
8455 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8456 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8457 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8459 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8461 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8462 reorganize passes to do reg-stack first, bb-reorder second.
8463 * invoke.texi (-d letters doc): Remove the jump2 pass.
8465 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8467 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8469 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8471 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8473 (verify_flow_info): Make diagnostics prettier.
8475 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8477 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8479 * flow.c (outgoing_edges_match): Return early if condition reversal
8482 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8484 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8485 (mips_move_2words): When splitting a move into two instructions,
8486 prefix the second address operand with '%D'.
8488 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8490 * Makefile.in (final.o): Depend on debug.h.
8491 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8492 (dbx_debug_hooks): Add new hooks.
8493 (xcoff_debug_hooks): New.
8494 * debug.c (debug_nothing_file_int_int): New.
8495 (do_nothing_debug_hooks): Update.
8496 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8497 (debug_nothing_file_int_int): New.
8498 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8499 static, update prototype.
8500 (dwarf2_debug_hooks): Update.
8501 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8502 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8503 static, update prototype.
8504 (dwarf_debug_hooks): Update.
8505 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8506 * final.c: Include debug.h.
8507 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8508 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8509 static, update prototype.
8510 (sdb_debug_hooks): Update.
8511 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8512 * toplev.c: Distinguish between xcoff and dbx.
8514 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8515 Call all debug hooks, not just dwarf ones.
8517 2001-07-11 Timothy Wall <twall@redhat.com>
8519 * config.gcc: Add configuration for AIX5/IA64.
8520 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8521 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8522 support prefix/suffix code.
8523 * config/ia64/t-aix: New. Makefile fragment.
8524 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8526 2001-07-11 Kazu Hirata <kazu@hxi.com>
8528 * recog.c (validate_change): Fix a comment typo.
8530 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8532 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8533 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8535 * dbxout.c (dbx_debug_hooks): Add new hooks.
8536 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8538 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8540 * dbxout.h (dbxout_start_new_source_file,
8541 dbxout_resume_previous_source_file): Delete.
8542 * debug.c (do_nothing_debug_hooks): Add new hooks.
8543 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8544 (debug_nothing_int_charstar, debug_nothing_int): New.
8545 * debug.h (gcc_debug_hooks): New hooks define, undef,
8546 start_source_file and end_source_file.
8547 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8548 (debug_nothing_int_charstar, debug_nothing_int): New.
8549 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8550 the conditionally compiled section.
8551 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8552 dwarf2out_define, dwarf2out_undef): Make static.
8553 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8554 dwarf2out_define, dwarf2out_undef): Remove.
8555 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8556 (dwarfout_start_source_file, dwarfout_end_source_file,
8557 dwarfout_define, dwarfout_undef): Make static.
8558 (dwarfout_start_source_file_check,
8559 dwarfout_end_source_file_check): New.
8560 (dwarfout_define, dwarfout_finish): Update.
8561 * dwarfout.h (dwarfout_start_new_source_file,
8562 dwarfout_resume_previous_source_file, dwarfout_define,
8563 dwarfout_undef): Remove.
8564 * sdbout.c (sdb_debug_hooks): Add new hooks.
8565 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8567 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8568 make static, take an arg.
8569 * sdbout.h (sdbout_start_new_source_file,
8570 sdbout_resume_previous_source_file): Delete.
8571 * toplev.c (debug_start_source_file, debug_end_source_file,
8572 debug_define, debug_undef): Delete.
8573 * toplev.h (debug_start_source_file, debug_end_source_file,
8574 debug_define, debug_undef): Delete.
8576 * java/jcf-parse.c: Include debug.h.
8577 (parse_class_file): Update to use debug hooks directly.
8578 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8580 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8582 * alias.c (set_mem_alias_set): New function.
8583 * rtl.h (set_mem_alias_set): Declare it.
8584 * builtins.c (expand_builtin_return_addr): Call it instead of
8585 using MEM_ALIAS_SET accessor.
8586 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8587 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8588 (expand_builtin_va_copy):Likewise.
8589 * caller-save.c (setup_save_areas): Likewise.
8590 * calls.c (compute_argument_addresses): Likewise.
8591 * explow.c (set_mem_attributes): Likewise.
8592 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8593 (expand_assignment, store_constructor_field, store_field): Likewise.
8594 (expand_expr_unaligned): Likewise.
8595 * function.c (assign_stack_temp_for_type): Likewise.
8596 (put_reg_into_stack, gen_mem_addressof): Likewise.
8597 * ifcvt.c (noce_try_cmove_arith): Likewise.
8598 * reload1.c (reload, alter_reg): Likewise.
8599 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8600 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8601 (alpha_expand_unaligned_store): Likewise
8602 (alpha_expand_unaligned_load_words): Likewise.
8603 (alpha_expand_unaligned_store_words): Likewise.
8604 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8605 (alpha_expand_epilogue): Likewise.
8606 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8607 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8608 * config/i386/i386.c (legitimize_pic_address): Likewise.
8609 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8610 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8611 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8612 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8613 * config/mips/mips.c (mips_va_arg): Likewise.
8614 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8615 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8616 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8617 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8618 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8619 (rs6000_emit_epilogue): Likewise.
8620 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8621 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8622 * config/v850/v850.c (v850_va_arg): Likewise.
8624 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8626 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8627 when fallthru edge is present.
8628 (mege_blocks): Handle case where creation of jump insn
8631 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8632 CLEANUP_POST_REGSTACK): New constants.
8633 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8634 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8635 * output.h (cleanup_cfg): Update prototype.
8636 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8637 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8638 cleanup_cfg call; kill missleading comment.
8639 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8640 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8641 parameter; control optimizations performed using it.
8642 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8643 try_crossjump_bb): New functions.
8645 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8647 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8649 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8650 pa_output_function_prologue.
8651 * pa-protos.h (pa_output_function_prologue): New prototype.
8653 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8655 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8656 and low to get correct sign extension in low+high test.
8658 2001-07-11 Janis Johnson <janis@us.ibm.com>
8660 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8661 for large hit count.
8663 * profile.c (branch_prob): Fix .bbg info for computed gotos
8666 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8668 * stmt.c (parse_output_constraint): New function, split out
8670 (expand_asm_operands): ... here. Use parse_output_constraint.
8671 * tree.h (parse_output_constraint): Declare it.
8673 2001-07-11 Richard Henderson <rth@redhat.com>
8675 * bitmap.c: Comment some functions; fiddle whitespace.
8676 (bitmap_free): Don't export.
8677 (bitmap_element_allocate): Use memset.
8678 * bitmap.h (bitmap_free): Don't declare.
8680 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8682 * gcse.c, lcm.c, sched-deps.c:
8683 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8685 * flow.c (flow_loops_find): Free dom if we found no loops, since
8686 we aren't going to save it.
8688 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8691 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8693 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8695 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8697 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8698 #ifndef DWARF2_DEBUGGING_INFO.
8700 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8702 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8704 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8706 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8707 reverse a branch if a NE comparison is implemented with GTU.
8709 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8710 H.J. Lu <hjl@gnu.org>
8712 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8714 (call_internal2): Likewise.
8715 (call_value_internal1): Likewise.
8716 (call_value_internal2): Likewise.
8717 (call_value_multiple_internal1): Likewise.
8718 (call_value_multiple_internal2): Likewise.
8720 2001-07-10 Kazu Hirata <kazu@hxi.com>
8722 * calls.c (emit_library_call_value_1): Fix a comment typo.
8723 * dwarf2out.c (mem_loc_descriptor): Likewise.
8724 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8726 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8728 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8730 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8732 * recog.c (offsettable_address_p): Handle LO_SUM case.
8733 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8734 instead of plus_constant.
8736 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8738 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8739 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8741 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8743 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8744 adjust_address_nv instead of plus_constant.
8746 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8748 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8749 dwarf2out.o): Depend on debug.h, wrap long lines.
8750 * dbxout.c: Include debug.h.
8751 (dbx_debug_hooks): New.
8752 (dbxout_init): Make static, take just 2 args.
8753 (dbxout_finish): Make static.
8754 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8755 * debug.c: New file.
8756 * debug.h: New file.
8757 * dwarf2out.c: Include debug.h.
8758 (dwarf2_debug_hooks): New.
8759 (dwarf2out_init): Make static.
8760 (dwarf2out_finish): Make static, take 2 args.
8761 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8762 * dwarfout.c: Include debug.h.
8763 (dwarf_debug_hooks): New.
8764 (dwarfout_init): Make static.
8765 (dwarfout_finish): Make static, take 2 args.
8766 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8767 * sdbout.c: Include debug.h.
8768 (sdb_debug_hooks): New.
8769 (sdbout_init): Make static, take 2 args.
8770 * sdbout.h (sdbout_init): Delete.
8771 * toplev.c: Include debug.h.
8773 (compile_file): Set deubg_hooks based on command line options.
8774 Use the hooks unconditionally rather than conditional compilation.
8776 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8778 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8779 first_insn_after_basic_block_note instead.
8781 * df.c (df_bb_refs_unlink): #if 0 out for now.
8783 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8785 * ssa.h: Add prototype for ssa_const_prop
8786 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8787 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8788 (ssa_fast_dce): Remove unused variable
8790 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8792 * diagnostic.c (finish_diagnostic): Rename to
8793 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8796 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8798 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8801 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8802 (dump_file): Only pad the demangled name with spaces if the
8803 mangled name was padded with spaces.
8805 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8807 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8810 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8812 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8813 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8816 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8817 whether can put offset inside LO_SUM to check mode alignment, not size.
8819 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8821 * doc/tm.texi (Misc): Fix thinko.
8823 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8825 * regmove.c (replace_in_call_usage): Fix warnings.
8826 * sched-deps.c (add_dependence): Fix warnings.
8827 * simplify-rtx.c (simplify_subreg): Likewise.
8828 Return NULL_RTX instead of NULL.
8830 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8831 (subst_asm_stack_regs): Likewise.
8833 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8836 * dwarf2out.c (output_call_frame_info): Declare i as int.
8837 (build_abbrev_table): Declare n_alloc as int.
8838 (dwarf2out_finish): Initialize die.
8839 * except.c: Declare sjlj_funcdef_number as unsigned.
8840 (connect_post_landing_pads): Declare j as unsigned.
8841 (convert_to_eh_region_ranges): Initialize call_site.
8842 (output_function_exception_table): Initialize tt_format_size.
8843 * expr.c (move_by_pieces_1): Initialize to1.
8844 (store_constructor): Initialize minelt and maxelt.
8845 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8846 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8848 * c-decl.c (combine_parm_decls): Unused, remove.
8849 * c-tree.h: Remove prototype for combine_parm_decls.
8851 * reload.c (push_reload): Fix warning.
8852 (regno_clobbered_p): Likewise.
8853 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8854 (reload_combine): Likewise.
8856 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8857 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8859 * bitmap.c (bitmap_operation): Change user.
8860 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8862 2001-07-10 Eric Christopher <echristo@redhat.com>
8864 * config/mips/mips.c (override_options): Fix typo.
8866 2001-07-09 Stan Shebs <shebs@apple.com>
8868 * target.h (struct gcc_target): New fields init_builtins and
8870 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8871 (TARGET_EXPAND_BUILTIN): New macro.
8872 (TARGET_INITIALIZER): Add them.
8873 * builtins.c: Include target.h.
8874 (expand_builtin): Use targetm.expand_builtin.
8875 (default_init_builtins): New function.
8876 (default_expand_builtin): New function.
8877 * expr.h (default_init_builtins): Declare.
8878 (default_expand_builtin): Declare.
8879 * c-common.c (c_common_nodes_and_builtins): Use
8880 targetm.init_builtins.
8881 * defaults.h (MD_INIT_BUILTINS): Remove.
8882 * Makefile.in (builtins.o): Depend on target.h.
8884 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8885 (TARGET_EXPAND_BUILTIN): Define.
8886 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8887 (MD_EXPAND_BUILTIN): Remove.
8889 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8890 (TARGET_EXPAND_BUILTIN): Define.
8891 (c4x_init_builtins): Make endlink arg a local.
8892 (c4x_print_operand): Fix typos in adjust_address usages.
8893 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8894 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8895 (MD_EXPAND_BUILTIN): Remove.
8897 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8898 (TARGET_EXPAND_BUILTIN): Define.
8899 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8900 (ix86_init_builtins): Call new function only if TARGET_MMX.
8901 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8902 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8903 (MD_EXPAND_BUILTIN): Remove.
8905 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8906 (TARGET_EXPAND_BUILTIN): Define.
8907 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8908 (MD_EXPAND_BUILTIN): Remove.
8910 * doc/tm.texi: Document these changes.
8912 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8914 * basic-block.h (tree_node): Forward declare if needed.
8915 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8916 (BLOCK_HEAD_TREE): Define.
8917 (BLOCK_END_TREE): Define.
8918 (struct loops): Rename field 'tree' to 'tree_root'.
8919 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8921 (flow_loops_tree_build): Rename reference to field 'tree' to
8923 (flow_loops_level_compute): Ditto.
8924 * predict.c (estimate_bb_frequencies): Ditto.
8925 * tree.h (struct tree_common): Add field 'aux'.
8927 2001-07-09 Stan Shebs <shebs@apple.com>
8929 * config/darwin.c (darwin_encode_section_info): Don't mark any
8930 DECL_EXTERNAL node as defined.
8932 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8934 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8935 pa_free_machine_status, hppa_init_pic_save): Delete.
8936 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8937 (hppa_profile_hook): Use hppa_pic_save_rtx.
8938 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8939 hppa_init_pic_save): Delete.
8940 (hppa_pic_save_rtx): Declare.
8941 * pa.md (call, call_value, sibcall, sibcall_value,
8942 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8944 2001-07-09 Kazu Hirata <kazu@hxi.com>
8946 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8947 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8949 2001-07-09 Andreas Jaeger <aj@suse.de>
8951 * output.h: Add declaration of final_forward_branch_p.
8953 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8955 * varray.c: Include errors.h for internal_error and trim_filename
8958 * Makefile.in (varray.o): Add errors.h.
8960 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8962 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8963 * optabs.c (have_add2_insn): Check whether the add insn chosen
8964 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8965 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8967 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8969 * Makefile.in (OBJS): Add ssa-ccp.o
8970 (ssa-ccp.o): Add dependencies.
8971 * toplev.c (DFI_ssa_ccp): New dump file enum.
8972 (dump_file): Add entry for dumping after SSA CCP.
8973 (flag_ssa_ccp): New flag variable.
8974 (f_options): Add -fssa-ccp.
8975 (rest_of_compilation): Run SSA CCP if requested.
8976 * timevar.def (TV_SSA_CCP): New timevar.
8977 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8978 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8979 Fix minor typo in SSA DCE documentation.
8980 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8981 Add documentation for new dump option. Renumber dump files
8984 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8986 * emit-rtl.c (gen_highpart_mode): New.
8987 * rtl.h (gen_highpart_mode): Declare.
8988 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8989 operand can be VOIDmode constant.
8991 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8993 * flow.c (redirect_edge_and_branch_force): New.
8994 (can_fallthru): Ensure that basic blocks are succeeding.
8995 (try_optimize_cfg): Do not delete basic block if it is the last one.
8997 * flow.c (try_redirect_by_replacing_jump): Do not remove
8998 jumps with side effects, unlink chain on fallthru edge;
8999 set block for new jump instruction; avoid basic block to
9000 over by line number note.
9002 * flow.c (try_simplify_condjump): Verify that the condjump
9003 is not always falling trought.
9006 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9008 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9009 (try_redirect_by_replacing_jump): Update properly the count
9010 and frequency information.
9012 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9014 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
9015 address that is a LO_SUM specially.
9016 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
9018 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
9020 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
9021 (operand_subword): Use them.
9022 (change_address_1): Renamed from change_address; new arg VALIDATE.
9023 * expr.h: Reflect above changes; change_address now macro.
9024 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
9026 * cselib.c (add_mem_for_addr): Likewise.
9027 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
9028 * regmove.c (try_apply_stack_adjustment): Likewise.
9029 * reload.c (push_reload, make_memloc): Likewise.
9030 * reload1.c (eliminate_regs): Likewise.
9031 * simplify-rtx.c (simplify_replace_rtx): Likewise.
9032 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
9034 * combine.c (make_extraction, simplify_shift_const): Likewise.
9035 (gen_lowpart_for_combine): Likewise.
9036 * cse.c (gen_lowpart_if_possible): Likewise.
9037 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
9038 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
9039 * optabs.c (gen_move_insn): Likewise.
9040 * reload1.c (alter_reg): Likewise.
9041 * simplify-rtx.c (simplify_subreg): Likewise.
9042 * stmt.c (expand_anon_union_decl): Likewise.
9043 * recog.c (validate_replace_rtx_1): Likewise.
9045 * Makefile.in (recog.o): Add $(EXPR_H).
9046 * explow.c (stabilize): Call replace_equiv_address.
9047 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
9048 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
9050 2001-07-03 Andrew Haley <aph@redhat.com>
9052 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
9053 the mode of the memory location.
9055 2001-07-09 Bo Thorsen <bo@suse.co.uk>
9057 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
9059 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
9061 * final.c (output_addr_const): Use target opening and
9062 closing parentheses.
9063 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
9064 defaults, add to TARGET_ASM_OUT.
9065 * target.h (struct gcc_target): Add open_paren and close_paren.
9066 * doc/md.texi: Update.
9067 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
9068 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
9069 TARGET_ASM_CLOSE_PAREN.
9070 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9072 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
9074 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
9075 * config/a29k/a29k.h: Similarly.
9076 * config/alpha/alpha.h: Similarly.
9077 * config/arc/arc.h: Similarly.
9078 * config/arm/aof.h: Similarly.
9079 * config/arm/aout.h: Similarly.
9080 * config/avr/avr.h: Similarly.
9081 * config/c4x/c4x.h: Similarly.
9082 * config/clipper/clipper.h: Similarly.
9083 * config/convex/convex.h: Similarly.
9084 * config/d30v/d30v.h: Similarly.
9085 * config/dsp16xx/dsp16xx.h: Similarly.
9086 * config/elxsi/elxsi.h: Similarly.
9087 * config/fr30/fr30.h: Similarly.
9088 * config/h8300/h8300.h: Similarly.
9089 * config/i370/i370.h: Similarly.
9090 * config/i386/i386.h: Similarly.
9091 * config/i860/i860.h: Similarly.
9092 * config/i960/i960.h: Similarly.
9093 * config/ia64/ia64.h: Similarly.
9094 * config/m32r/m32r.h: Similarly.
9095 * config/m68hc11/m68hc11.h: Similarly.
9096 * config/m68k/m68k.h: Similarly.
9097 * config/m88k/m88k.h: Similarly.
9098 * config/mcore/mcore.h: Similarly.
9099 * config/mips/mips.h: Similarly.
9100 * config/mn10200/mn10200.h: Similarly.
9101 * config/mn10300/mn10300.h: Similarly.
9102 * config/ns32k/ns32k.h: Similarly.
9103 * config/pa/pa.h: Similarly.
9104 * config/pdp11/pdp11.h: Similarly.
9105 * config/pj/pj.h: Similarly.
9106 * config/romp/romp.h: Similarly.
9107 * config/rs6000/rs6000.h: Similarly.
9108 * config/sh/sh.h: Similarly.
9109 * config/sparc/sparc.h: Similarly.
9110 * config/v850/v850.h: Similarly.
9111 * config/vax/vax.h: Similarly.
9112 * config/we32k/we32k.h: Similarly.
9114 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
9116 * doc/c-tree.texi: Document representation of attributes.
9118 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9120 * doc/tm.texi: Update some places for the rename of target to
9123 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9125 * target.h (struct gcc_target): Add insert_attributes.
9126 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
9127 (TARGET_INITIALIZER): Update.
9128 * tree.c, tree.h (default_insert_attributes): New function.
9129 Update comments on other default functions to refer to targetm,
9131 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
9132 TARGET_INSERT_ATTRIBUTES.
9133 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
9134 * c-common.c (decl_attributes): Use targetm.insert_attributes.
9135 Don't use PRAGMA_INSERT_ATTRIBUTES.
9136 * Makefile.in (c-common.o): Depend on $(TARGET_H).
9137 * c-decl.c (start_decl, start_function): Don't call
9138 SET_DEFAULT_DECL_ATTRIBUTES.
9139 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9140 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
9142 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
9143 (c4x_check_attribute): Avoid modifying attribute list itself.
9144 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
9146 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
9147 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
9149 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
9150 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
9152 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
9153 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
9155 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
9156 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
9157 Adjust parameters. Make static.
9159 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
9161 * c-common.c (decl_attributes): Only take a single attributes
9163 * c-common.h (decl_attributes): Update prototype.
9164 * c-decl.c (start_decl, start_function): Only take a single
9165 attributes parameter. Update calls to decl_attributes.
9166 (finish_struct, finish_enum): Update calls to decl_attributes.
9167 (push_parm_decl): Expect unified list of attributes. Update call
9169 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
9170 notype_nested_function, component_declarator,
9171 component_notype_declarator, label): Update calls to
9173 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
9174 lists that are passed to push_parm_decl.
9175 * c-tree.h (start_function, start_decl): Update prototypes.
9176 * config/sh/sh-protos.h, config/sh/sh.c
9177 (sh_pragma_insert_attributes): Only take a single attributes
9179 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
9180 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
9181 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
9182 build_module_descriptor, generate_static_references,
9183 generate_strings, build_selector_translation_table,
9184 generate_descriptor_table, generate_protocols,
9185 generate_ivars_list, generate_dispatch_table,
9186 generate_protocol_list, generate_category,
9187 generate_shared_structures, really_start_method, add_objc_decls,
9188 generate_classref_translation_entry): Update calls to start_decl
9190 (build_tmp_function_decl, start_method_def): Unify attribute lists
9191 that are passed to push_parm_decl.
9193 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
9195 * final.c (no_asm_to_stream): New.
9196 (final_scan_insn): Use target structures for prologue ends
9197 and epilogue starts.
9198 * output.h (no_asm_to_stream): New.
9199 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
9200 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
9201 (TARGET_ASM_OUT): Update.
9202 * target.h (struct gcc_target): New members function_end_prologue
9203 and function_begin_epilogue.
9204 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
9205 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
9206 * config/alpha/alpha.c (output_end_prologue): Rename to
9207 alpha_output_function_end_prologue. Use in target struct
9209 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
9210 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
9211 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
9212 ia64_output_function_end_prologue. Use in target struct
9214 (ia64_function_prologue, ia64_funciton_epilogue): Rename
9215 mistyped prototypes.
9216 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
9217 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
9219 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
9220 an use in target struct, make static.
9221 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
9224 2001-07-08 Richard Henderson <rth@redhat.com>
9226 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
9228 2001-07-08 Richard Henderson <rth@redhat.com>
9230 * config/i386/i386.md: Remove constraints strings from define_split
9231 and define_peephole2 patterns.
9232 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
9233 (eh_return): Use them.
9235 2001-07-08 Richard Henderson <rth@redhat.com>
9237 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
9238 Document MD_FALLBACK_FRAME_STATE_FOR.
9240 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9242 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
9243 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
9245 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
9247 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
9249 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
9250 of the label inside NAME as opposed to just the end of NAME.
9252 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
9254 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
9255 * config/alpha/alpha.c (alpha_init_machine_status,
9256 alpha_mark_machine_status, alpha_free_machine_status): Delete.
9257 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
9258 (vms_valid_decl_attribute_p): Make static, conditionally compile.
9259 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
9261 2001-07-06 Stan Shebs <shebs@apple.com>
9263 * target.h (targetm): Rename global from "target", so as not to
9264 conflict with local variables.
9266 * c-typeck.c: Ditto.
9270 * cp/decl2.c: Ditto.
9271 * cp/typeck.c: Ditto.
9272 * 1750a/1750a.c: Ditto.
9273 * a29k/a29k.c: Ditto.
9277 * clipper/clipper.c: Ditto.
9278 * convex/convex.c: Ditto.
9279 * d30v/d30v.c: Ditto.
9280 * dsp16xx/dsp16xx.c: Ditto.
9281 * elxsi/elxsi.c: Ditto.
9282 * fr30/fr30.c: Ditto.
9283 * h8300/h8300.c: Ditto.
9284 * i370/i370.c: Ditto.
9285 * i386/i386.c: Ditto.
9286 * i860/i860.c: Ditto.
9287 * i960/i960.c: Ditto.
9288 * ia64/ia64.c: Ditto.
9289 * m32r/m32r.c: Ditto.
9290 * m68hc11/m68hc11.c: Ditto.
9291 * m68k/m68k.c: Ditto.
9292 * m88k/m88k.c: Ditto.
9293 * mips/mips.c: Ditto.
9294 * ns32k/ns32k.c: Ditto.
9296 * pdp11/pdp11.c: Ditto.
9297 * romp/romp.c: Ditto.
9298 * rs6000/rs6000.c: Ditto.
9300 * sparc/sparc.c: Ditto.
9302 * we32k/we32k.c: Ditto.
9303 * doc/tm.texi: Update the manual to match.
9305 2001-07-06 Richard Henderson <rth@redhat.com>
9307 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9308 DWARF2_UNWIND_INFO not just whether it is defined.
9310 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9312 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9313 call to simplify_binary_operation returns a new pattern.
9315 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9317 * glimits.h (__SHRT_MAX__): New.
9318 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9319 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9321 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9323 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9326 2001-07-06 Richard Henderson <rth@redhat.com>
9328 * bitmap.c (bitmap_release_memory): Move adjacent to the
9329 allocation functions.
9330 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9331 the implementation. Binary search for the set bit.
9332 (bitmap_union_of_diff): Allocate the temporary on the stack
9333 instead of using xmalloc.
9335 2001-07-06 Richard Henderson <rth@redhat.com>
9337 * genrecog.c (validate_pattern): Warn for constraints in
9338 define_{expand,split,peephole2}. Remove strict_low_part
9339 before looking up match_dup.
9341 2001-07-06 DJ Delorie <dj@redhat.com>
9343 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9344 chapter about various build hints and history. Add section
9345 talking about the various types of native and cross builds.
9347 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9349 * Makefile.in (final.o): Depend on target.h.
9350 * final.c: Include target.h.
9351 (default_function_pro_epilogue): New.
9352 (final_start_function): Use target structure for function prologues.
9353 (final_end_function): Use target structure for function epilogues.
9354 * fold-const.c (real_hex_to_f): Constify s and p.
9355 * output.h (default_function_pro_epilogue): New.
9356 * real.h (real_hex_to_f): Update prototype.
9357 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9358 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9359 (TARGET_INITIALIZER): Update.
9360 * target.h (gcc_target): Add struct asm_out.
9361 * doc/tm.texi: Update.
9364 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9365 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9366 in cpu/cpu.c, or rename old functions consistently. Take
9367 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9368 redundant macros and prototypes. Make new functions static.
9370 * 1750a/1750a.c: Similarly.
9371 * 1750a/1750a.h: Similarly.
9372 * a29k/a29k-protos.h: Similarly.
9373 * a29k/a29k.c: Similarly.
9374 * a29k/a29k.h: Similarly.
9375 * arc/arc-protos.h: Similarly.
9376 * arc/arc.c: Similarly.
9377 * arc/arc.h: Similarly.
9378 * arm/arm-protos.h: Similarly.
9379 * arm/arm.c: Similarly.
9380 * arm/arm.h: Similarly.
9381 * avr/avr-protos.h: Similarly.
9382 * avr/avr.c: Similarly.
9383 * avr/avr.h: Similarly.
9384 * clipper/clipper-protos.h: Similarly.
9385 * clipper/clipper.c: Similarly.
9386 * clipper/clipper.h: Similarly.
9387 * convex/convex.c: Similarly.
9388 * convex/convex.h: Similarly.
9389 * d30v/d30v-protos.h: Similarly.
9390 * d30v/d30v.c: Similarly.
9391 * d30v/d30v.h: Similarly.
9392 * d30v/d30v.md: Similarly.
9393 * dsp16xx/dsp16xx-protos.h: Similarly.
9394 * dsp16xx/dsp16xx.c: Similarly.
9395 * dsp16xx/dsp16xx.h: Similarly.
9396 * elxsi/elxsi.c: Similarly.
9397 * elxsi/elxsi.h: Similarly.
9398 * fr30/fr30.c: Similarly.
9399 * fr30/fr30.md: Similarly.
9400 * h8300/h8300-protos.h: Similarly.
9401 * h8300/h8300.c: Similarly.
9402 * h8300/h8300.h: Similarly.
9403 * i370/i370-protos.h: Similarly.
9404 * i370/i370.c: Similarly.
9405 * i370/i370.h: Similarly.
9406 * i386/i386.c: Similarly.
9407 * i386/osf1elf.h: Similarly.
9408 * i386/osfrose.h: Similarly.
9409 * i860/i860-protos.h: Similarly.
9410 * i860/i860.c: Similarly.
9411 * i860/i860.h: Similarly.
9412 * i960/i960-protos.h: Similarly.
9413 * i960/i960.c: Similarly.
9414 * i960/i960.h: Similarly.
9415 * ia64/ia64-protos.h: Similarly.
9416 * ia64/ia64.c: Similarly.
9417 * ia64/ia64.h: Similarly.
9418 * m32r/m32r-protos.h: Similarly.
9419 * m32r/m32r.c: Similarly.
9420 * m32r/m32r.h: Similarly.
9421 * m68hc11/m68hc11-protos.h: Similarly.
9422 * m68hc11/m68hc11.c: Similarly.
9423 * m68hc11/m68hc11.h: Similarly.
9424 * m68k/crds.h: Similarly.
9425 * m68k/dpx2.h: Similarly.
9426 * m68k/m68k-protos.h: Similarly.
9427 * m68k/m68k.c: Similarly.
9428 * m68k/m68k.h: Similarly.
9429 * m68k/news.h: Similarly.
9430 * m88k/m88k-protos.h: Similarly.
9431 * m88k/m88k.c: Similarly.
9432 * m88k/m88k.h: Similarly.
9433 * mips/mips-protos.h: Similarly.
9434 * mips/mips.c: Similarly.
9435 * mips/mips.h: Similarly.
9436 * ns32k/merlin.h: Similarly.
9437 * ns32k/ns32k.c: Similarly.
9438 * ns32k/ns32k.h: Similarly.
9439 * ns32k/tek6000.h: Similarly.
9440 * pa/pa-protos.h: Similarly.
9441 * pa/pa.c: Similarly.
9442 * pa/pa.h: Similarly.
9443 * pdp11/2bsd.h: Similarly.
9444 * pdp11/pdp11-protos.h: Similarly.
9445 * pdp11/pdp11.c: Similarly.
9446 * pdp11/pdp11.h: Similarly.
9447 * romp/romp-protos.h: Similarly.
9448 * romp/romp.c: Similarly.
9449 * romp/romp.h: Similarly.
9450 * rs6000/rs6000-protos.h: Similarly.
9451 * rs6000/rs6000.c: Similarly.
9452 * rs6000/rs6000.h: Similarly.
9453 * rs6000/sysv4.h: Similarly.
9454 * sh/sh-protos.h: Similarly.
9455 * sh/sh.c: Similarly.
9456 * sh/sh.h: Similarly.
9457 * sparc/sparc-protos.h: Similarly.
9458 * sparc/sparc.c: Similarly.
9459 * sparc/sparc.h: Similarly.
9460 * vax/vax.c: Similarly.
9461 * vax/vax.h: Similarly.
9462 * vax/vms.h: Similarly.
9463 * we32k/we32k.c: Similarly.
9464 * we32k/we32k.h: Similarly.
9466 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9468 * basic-block.h (first_insn_after_basic_block_note): Declare.
9469 * flow.c (first_insn_after_basic_block_note): Define. Moved
9471 * ssa.c (first_insn_after_basic_block_note): Remove.
9472 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9474 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9475 nodes when we find a dead conditional branch. Insert BARRIERs
9476 after any blocks with no successors, but which do not have
9479 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9481 * varray.c (varray_check_failed): Use internal_error.
9483 2001-07-05 Andrew Haley <aph@redhat.com>
9485 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9486 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9487 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9489 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9491 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9492 reference if the target constant is also a SYMBOL_REF.
9494 2001-07-05 Eric Christopher <echristo@redhat.com>
9496 * config/mips/mips.h (MASK_MIPS3900): Remove.
9497 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9498 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9499 (TARGET_MIPS3900): Change to use mips_arch.
9500 (TARGET_MIPS4000): New.
9501 (TARGET_MIPS4100): New.
9502 (TARGET_MIPS4300): New.
9503 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9504 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9506 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9507 (ISA_HAS_BRANCHLIKELY): To here.
9508 (CC1_CPU_SPEC): New.
9509 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9510 (mips_arch_string): Declare.
9511 (mips_arch): Declare.
9512 (TARGET_OPTIONS): Add -march and -mtune.
9514 * config/mips/mips.c (mips_arch_string): New.
9516 (override_options): Handle -march for codegen and -mtune
9517 for scheduling. Use mips_arch. Move tx39 target default here.
9518 (mips_parse_cpu): Move error message to override_options.
9520 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9522 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9524 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9525 (MIPS Options): Ditto. Change mcpu entry to historical text.
9527 2001-07-05 H.J. Lu (hjl@gnu.org)
9529 * config/mips/mips.c (mips_parse_cpu): New function to parse
9532 2001-07-05 Jim Wilson <wilson@redhat.com>
9534 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9535 * config/ia64/t-ia64: Likewise.
9536 (LIB1ASMFUNCS): Update comment.
9538 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9540 * doc/install.texi (Install GCC: Binaries): Fix typo.
9542 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9544 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9545 reference using the stack pointer, adjust it since we push Y
9547 ("*ashrsi3"): Likewise.
9548 ("*lshrsi3"): Likewise.
9550 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9552 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9553 when -fomit-frame-pointer is used.
9555 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9557 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9558 (try_redirect_by_replacing_jump): Reverse updating properly the
9559 count and frequency information. Reverse removing cc0 setter.
9560 (forwarder_block_p): Reverse fixing for fallthru blocks.
9562 2001-07-05 DJ Delorie <dj@redhat.com>
9564 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9565 (translate_options): If the above is defined, use it to map
9566 given options to new options.
9567 * doc/tm.texi: Document it.
9569 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9570 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9572 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9573 cause programs using computed gotos to run more slowly.
9575 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9577 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9579 Consistently require binutils 2.11.2, not prereleases.
9580 (Specific, decstation-*): Canonicalize as mips-dec-*.
9581 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9583 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9584 (Specific, mips-*): Reword MIPS C compiler requirements.
9585 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9586 (Specific, sunv5): Removed, obsolete.
9588 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9590 * dwarf2out.c (output_loc_list): Use an all ones mask for
9591 .text asm output and don't rely on long long
9592 literals. Reformat some long lines.
9594 2001-07-05 Andreas Jaeger <aj@suse.de>
9596 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9599 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9601 * dwarf2out.c (dwarf2out_define): Update comment.
9602 (dwarf2out_undef): Ditto.
9603 (dwarf2out_start_source_file): Ditto.
9604 (dwarf2out_end_source_file): Ditto.
9605 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9606 since we never call the start/end debug hook for the primary file.
9608 2001-07-04 Kazu Hirata <kazu@hxi.com>
9610 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9613 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9615 * cppinit.c (remove_dup_dirs): Inform if a system include
9616 directory is being reordered.
9617 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9619 * doc/cpp.texi (Search Paths): Likewise.
9620 * doc/gcc.texi (Interoperation): Remove information about
9623 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9625 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9626 (VARRAY_TOP_CHAR_PTR): Likewise.
9628 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9630 * gcc.c (process_command): Don't assign elements of a const char*.
9632 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9634 * emit-rtl.c (change_address): Don't abort if invalid address while
9635 reload is in progress.
9637 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9639 * c-lex.c (cb_file_change): Pass line number to
9640 debug_start_source_file.
9641 (cb_undefine): Pass correct line number to debug_undef.
9643 * toplev.c (debug_start_source_file): Add line number to
9644 parameters. Pass it along to dwarf2out_start_source_file.
9645 (decode_g_option): Stop resetting debug level back to normal when
9646 we change debug formats, unless the current level is
9647 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9650 * toplev.h (debug_start_source_file): Add line number to
9653 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9656 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9658 Output debug_macinfo data for starting file if requested.
9659 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9661 (dwarf2out_define): Output debug_macinfo data for defining a macro
9663 (dwarf2out_undef): Output debug_macinfo data for undefining a
9665 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9666 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9667 (macinfo_section_label): New. DWARF2 macro info section label.
9668 (dwarf2out_init): If we want macro info, output the start label
9670 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9671 attribute to the compilation unit die pointing to the macro info.
9673 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9675 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9676 DWARF2_DEBUGGING_INFO.
9677 (add_loc_descr_to_loc_list): Ditto.
9678 (output_loc_list): Ditto.
9679 Also, fix thinko in curr not being initialized.
9680 (gen_internal_sym): Ditto.
9682 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9684 * emit-rtl.c (replace_equiv_address): New function.
9685 * expr.h (replace_equiv_address): New declaration.
9686 * explow.c (validize_mem): Call it instead of change_address and
9687 also call if -fforce-addr and address is constant.
9688 * expr.c: Replace more calls to change_address with adjust_address
9689 and/or replace_equiv_address or to validize_mem.
9690 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9691 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9692 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9693 * config/i370/i370.md, config/i860/i860.md: Likewise.
9694 * config/i960/i960.md, config/mips/mips.c: Likewise.
9695 * config/mips/mips.md, config/pa/pa.md: Likewise.
9696 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9697 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9699 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9701 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9703 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9706 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9708 * doc/include: New directory.
9709 * doc/fdl.texi: Move to doc/include/fdl.texi.
9710 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9711 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9712 * doc/gcc.texi: Use funding.texi and gpl.texi.
9713 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9714 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9715 Update dependencies and use -I $(docdir)/include.
9717 2001-07-04 Anthony Green <green@redhat.com>
9719 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9721 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9723 * doc/install.texi (sparc64-*-*): Remove garbage.
9725 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9727 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9728 Fix typo in last change to use adjust_address.
9730 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9732 * doc/install.texi (Specific): Update information for *-*-solaris*.
9734 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9736 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9738 2001-07-03 Stan Shebs <shebs@apple.com>
9740 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9741 case for flag_no_mach_text_sections.
9742 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9743 * config/darwin.c (flag_no_mach_text_sections): Remove.
9744 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9746 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9748 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9749 and avoid checking for constant as first operand.
9750 * recog.c (find_constant_term_loc): No longer static.
9751 (adj_offettable_operand): Delete.
9752 * rtl.h (adj_offsettable_operand): Delete declaration.
9753 (find_constant_term): Add declaration.
9754 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9756 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9757 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9758 * config/i386/i386.c, config/i386/i386.md: Likewise.
9759 * config/i860/i860.c, config/i960/i960.c: Likewise.
9760 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9761 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9762 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9763 * config/mips/mips.c, config/mips/mips.md: Likewise.
9764 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9765 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9766 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9767 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9768 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9769 * config/ns32k/ns32k.md: Likewise.
9771 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9773 * rtl.c (copy_rtx): Handle 'T' format letter.
9774 * gensupport.c (collect_insn_data): Likewise.
9775 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9777 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9779 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9780 -B option. Use 'dir' not 'foo' as example directory name.
9782 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9784 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9785 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9787 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9789 * doc/cppinternals.texi: Improve formatting and logical markup.
9791 2001-07-03 Andreas Jaeger <aj@suse.de>
9793 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9795 * genrecog.c (write_header): Include reload.h for prototypes in
9798 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9801 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9802 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9803 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9804 i386_pe_valid_type_attribute_p): Add.
9805 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9806 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9808 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9810 * explow.c (plus_constant_wide, case LO_SUM): New case.
9811 (plus_constant_for_output_wide): Delete.
9812 * rtl.h (plus_constant_for_output): Delete.
9813 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9814 instead of plus_constant_for_output.
9815 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9816 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9817 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9818 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9819 * config/sparc/sparc.md: Likewise.
9820 Convert some change_address calls to adjust_address.
9822 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9824 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9825 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9826 documentation of -std and -Wwrite-strings.
9828 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9830 * cse.c (canon_hash): Don't register registers in very small
9831 register classes, as extending their lifetime might cause
9834 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9836 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9838 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9839 (try_redirect_by_replacing_jump): Update properly the count
9840 and frequency information.
9842 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9844 * toplev.c (dump_file_index): Move SSA dumps just after first
9846 (dump_file): Corresponding changes.
9847 (rest_of_compilation): Move SSA path to just after the first
9849 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9850 * doc/invoke.texi: Update dump file #s as they were completely
9851 out of date with reality.
9853 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9855 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9857 * expr.c (emit_move_insn_1): Deal with non-default
9860 * expr.c (emit_single_push_insn): Fix warning.
9862 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9864 * expr.c (emit_move_insn_1): Avoid modifying
9865 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9867 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9869 * emit-rtl.c (adjust_address): New function.
9870 * expr.h (adjust_address): Add declaration.
9871 * builtins.c: Replace some calls to change_address with calls to it
9873 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9874 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9875 * config/arm/arm.c, config/convex/convex.c: Likewise.
9876 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9877 * config/i386/i386.c, config/i386/i386.md: Likewise.
9878 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9879 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9880 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9881 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9882 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9884 2001-07-02 Jim Wilson <wilson@redhat.com>
9886 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9888 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9890 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9891 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9893 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9895 * cppinit.c (lang_defaults): New table.
9896 (set_lang): Just read from lang_defaults into the live options
9899 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9901 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9902 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9903 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9905 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9907 * doc/install.texi: Various spelling and markup fixes.
9908 (Installing GCC): Component specific installation instructions are
9911 Warn about removing old install dir in the presence of shared libs.
9912 (Configuration): Invoke with options target to match configure
9914 Consistently refer to gas, gld pathnames.
9915 Invert --enable-multilib documentation.
9916 Remove references to old compiler versions.
9918 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9920 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9922 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9924 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9926 (Specific, mips*-sgi-irix5): Note IDO download.
9927 Reworded MIPS C hints.
9928 Use GNU as instead of GAS.
9930 Removed SGI Freeware reference, IRIX 6 only.
9931 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9932 Note N64 library requirement/workaround.
9934 Complete list of structure passing bug victims.
9936 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9938 * doc/install.texi: Remove CVS Id.
9940 2001-07-02 Andreas Jaeger <aj@suse.de>
9942 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9943 (find_inherently_necessary): Remove unused variable.
9945 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9947 * c-common.h (TDI_inlined): New ast dump phase.
9948 (dump_flag_name): New function.
9949 * c-dump.c (dump_files): Add inlined phase.
9950 (dump_flag_name): Define.
9951 * doc/invoke.texi (-fdump-ast-inlined): Document.
9953 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9955 * stor-layout.c (layout_decl): Revert change to handling of alignment
9958 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9960 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9963 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9965 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9968 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9970 * tlink.c (recompile_files): Remove COMPILER_PATH and
9971 LIBRARY_PATH from the environment.
9973 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9975 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9976 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9978 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9980 * c-parse.in (OBJC_STRING): Kill.
9981 (objc_string): Decompose to [objc_string] '@' STRING.
9982 (reswords): Take the leading '@' off all the Objective C keywords.
9983 (objc_rid_sans_at): Kill.
9984 (init_reswords): Don't initialize it.
9985 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9986 (_yylex): Kill reconsider label. Look ahead one token after
9987 an '@'; if we get an identifier, check whether it's an
9988 Objective C @-keyword. If so, return the keyword. Otherwise,
9989 put back the token and return the '@' as a terminal.
9991 * cpplib.c (lex_macro_node): Remove unnecessary check for
9992 leading '@' on identifier. Clarify control flow and commentary.
9994 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9996 * cse.c (new_label_ref): Variable deleted.
9997 (insert): Remove set of new_label_ref.
9998 (check_for_label_ref): New function.
9999 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
10001 See ChangeLog.5 for earlier changes.