| blob | 72e101e6d4fb032772e13397040884f526cc94b3 |
1 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (c_format_attribute_table): Make format and
4 format_arg attributes apply to function types rather than to
5 decls.
6 (is_valid_printf_arglist): Construct an attribute list and pass
7 that to check_function_format rather than a name.
8 * c-common.h (check_function_format): Adjust prototype.
9 * c-decl.c (duplicate_decls): Preserve attributes from type of
10 built-in decl when allowing for harmless conflict in types.
11 * c-format.c (record_function_format,
12 record_international_format, function_format_list,
13 international_format_info, international_format_list): Remove.
14 (function_format_info): Remove next, name and assembler_name.
15 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
16 (decode_format_attr): New.
17 (handle_format_attribute): Handle receiving a type rather than a
18 decl. Call decode_format_attr. Store format information in a
19 function_format_info.
20 (handle_format_arg_attribute): Correct comment. Handle receiving
21 a type rather than a decl. Use unsigned HOST_WIDE_INT for
22 arg_num.
23 (check_format_info_recurse, check_format_info_main): Take argument
24 numbers as unsigned HOST_WIDE_INT.
25 (check_function_format): Take a list of attributes from the
26 function type rather than a name or assembler name. Check for
27 format attributes in that list and the attributes on the type of
28 the current function rather than looking through
29 function_format_list.
30 (check_format_info): Use unsigned HOST_WIDE_INT for argument
31 numbers.
32 (check_format_info_recurse): Take format_arg attributes from the
33 type of the function calls rather than using
34 international_format_list. Allow for multiple format_arg
35 attributes.
36 * c-typeck.c (build_function_call): Pass type attributes to
37 check_function_format rather than name or assembler name. Don't
38 require there to be a name or assembler name to check formats.
40 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
42 * attribs.c (decl_attributes): Possibly call
43 insert_default_attributes to insert default attributes on
44 functions in a lazy manner.
45 * builtin-attrs.def: New file; define the default format and
46 format_arg attributes.
47 * c-common.c (c_format_attribute_table): Move to earlier in the
48 file.
49 (c_common_nodes_and_builtins): Initialize format_attribute_table.
50 (enum built_in_attribute, built_in_attributes,
51 c_attrs_initialized, c_init_attributes,
52 c_common_insert_default_attributes): New.
53 (c_common_lang_init): Don't initialize format_attribute_table. Do
54 call c_init_attributes.
55 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
56 * c-common.h (init_function_format_info): Don't declare.
57 (c_common_insert_default_attributes): Declare.
58 * c-decl.c (implicitly_declare, builtin_function): Call
59 decl_attributes.
60 (init_decl_processing): Don't call init_function_format_info.
61 (insert_default_attributes): New.
62 * c-format.c (handle_format_attribute,
63 handle_format_arg_attribute): Be quiet about inappropriate
64 declaration when applying default attributes.
65 (init_function_format_info): Remove.
66 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
67 (insert_default_attributes): Declare.
69 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
71 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
73 2001-10-01 Jim Wilson <wilson@redhat.com>
75 * sched-deps.c (add_dependence): When elide conditional dependence,
76 check that insn doesn't modify cond2.
78 2001-10-01 Dale Johannesen <dalej@apple.com>
80 * config/rs6000/rs6000.h (enum processor_type): Add support
81 for 7400 (G4) and 7450.
82 (RTX_COSTS): Ditto.
83 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
84 (rs6000_issue_rate): Ditto.
85 (rs6000_adjust_cost): Fix cycle counts for compares.
86 (debug_stack_info): Fix an obvious typo.
87 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
88 * doc/invoke.texi: Document.
89 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
90 for Darwin.
91 (PROCESSOR_DEFAULT): Ditto.
93 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
95 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
96 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
97 later recursive make invocation.
99 2001-10-01 Hans Boehm <boehm@acm.org>
101 * optabs.c (emit_libcall_block): When using non-call exceptions,
102 don't add REG_LIBCALL reg notes to trapping calls.
104 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
106 * flow.c (propagate_block_delete_libcall): Remove unused first arg
107 (propagate_one_insn): Update for above change
109 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
111 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
112 _Unwind_GetTextRelBase): Argument is unused.
114 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
116 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
117 Loop through NOPs, placeholders, and components.
118 Don't go through NOPs if change mode.
119 (record_alias_subset): Do nothing if SUBSET and SET are the same.
120 * emit-rtl.c (set_mem_alias_set): Enable check.
121 * expr.c (find_placeholder): New function.
122 (expand_expr, case PLACEHOLDER_EXPR): Use it.
123 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
124 to modify it and avoid unneeded copies.
125 * expr.h (expand_expr): Always define.
126 (find_placeholder): New declaration.
128 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
130 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
131 operand 2 is the stack pointer.
132 ("addr-peephole"): Fix address computation peephole when operand 2
133 is the stack pointer.
135 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
137 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
138 (ix86_setup_incoming_varargs): Likewise.
140 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
142 * stor-layout.c (layout_type): Don't complain about too-large
143 array here.
145 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
147 * function.c (keep_stack_depressed): Don't use delete_insn.
149 * expr.h (set_mem_alias_set): Move decl to here.
150 * rtl.h (mem_attrs): New typedef and struct.
151 (union rtunion_def): Add field for mem_attrs.
152 (X0MEMATTR, MEM_ATTRS): New macros.
153 (MEM_ALIAS_SET): Use MEM_ATTRS.
154 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
155 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
156 (set_mem_alias_set): Delete decl from here.
158 * alias.c (set_mem_alias_set): Delete from here.
159 * emit-rtl.c (mem_attrs_htab): New variable.
160 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
161 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
162 (mem_attrs_mark, get_mem_attrs): Likewise.
163 (gen_rtx_MEM): Clear MEM_ATTRS.
164 (set_mem_attributes): Move to here.
165 (set_mem_alias_set): Likewise, and call get_mem_attrs.
166 (init_emit_once): const_int_htab now deletable htab.
167 Initialize mem_attrs_htab.
168 * explow.c (set_mem_attributes): Delete from here.
169 * function.c (put_var_into_stack): Clear MEM_ATTRS.
170 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
171 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
172 * reload1.c (reload): Rework changing REG to MEM.
174 2001-09-30 H.J. Lu <hjl@gnu.org>
176 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
177 * config.in: Rebuild.
179 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
181 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
182 ("tsthi_1"): Avoid allocation in register y.
183 ("*movqi_68hc12"): Reorganize and fix constraints.
184 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
185 ("addqi3"): Likewise.
186 ("addhi3"): Fix constraints.
187 ("*logicalhi3_zexthi"): Disparage soft registers.
189 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
191 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
192 to tmp reg.
194 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
196 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
197 that we use setjmp/longjmp exceptions.
199 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
201 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
202 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
203 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
204 _cpp_pool_alloc, _cpp_next_chunk): Remove.
205 (_cpp_extend_buff, BUFF_ROOM): Update.
206 (_cpp_append_extend_buff): New.
207 (struct cpp_reader): Remove macro_pool, add a_buff.
208 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
209 macro_pool.
210 (cpp_destroy): Free a_buff instead of macro_pool.
211 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
212 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
213 _cpp_pool_alloc, ): Remove.
214 (parse_number, parse_string): Update use of _cpp_extend_buff.
215 (_cpp_extend_buff): Update.
216 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
217 * cpplib.c (glue_header_name, parse_answer):
218 Update use of _cpp_extend_buff.
219 (cpp_register_pragma, cpp_register_pragma_space): Use
220 _cpp_aligned_alloc.
221 (do_assert, do_unassert): Check for EOL, update.
222 * cppmacro.c (stringify_arg, collect_args): Update to use
223 _cpp_extend_buff and _cpp_append_extend_buff.
224 (save_parameter, parse_params, alloc_expansion_token,
225 _cpp_create_definition): Rework memory management.
227 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
229 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
230 update md_exec_prefix.
231 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
232 to string constant.
234 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
236 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
237 (SELECT_CC_MODE): Use s390_select_ccmode.
238 * config/s390/s390-protos.h (s390_select_ccmode): Add.
239 * config/s390/s390.c (s390_select_ccmode): New.
240 (s390_match_ccmode): Add CCLmode.
241 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
242 (output_branch_condition, output_inverse_branch_condition): Removed.
243 (print_operand): Use s390_branch_condition_mnemonic.
244 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
245 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
246 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
248 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
249 when converting conditional branches to far branches.
250 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
251 cmpint_di): Use CCSmode instead of CCUmode.
253 * config/s390/s390.c (legitimate_la_operand_p): New.
254 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
255 * config/s390/s390.md (movsi): Convert load address patterns to
256 arithmetic operations when necessary.
257 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
258 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
259 (*do_la_reg_0): Don't use before reload.
261 * config/s390/s390.c (legitimize_address): Make more efficient
262 use of two-register addressing mode.
264 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
265 with -mno-backchain in some corner cases.
267 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
269 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
271 * reload.c (find_reloads): Mark new USE insns with QImode.
272 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
273 find_reloads_subreg_address): Likewise.
274 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
275 encountered.
276 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
277 CLOBBERs.
278 (reload): Make sure there are no USEs with mode other than
279 VOIDmode. At the end, remove those marked with QImode.
281 2001-09-29 Per Bothner <per@bothner.com>
283 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
284 * Makefile.in (includedir): Rename to local_includedir.
285 (includedir): Define as $(prefix)/include.
286 * config.in (PREFIX_INCLUDE_DIR): New variable.
287 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
289 2001-09-29 Bernd Schmidt <bernds@redhat.com>
291 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
292 storehps builtins.
293 * doc/extend.texi (Vector Extensions): New node.
294 * doc/invoke.texi (Machine Dependent Options): Add documentation for
295 i386 -mmmx, -msse, -m3dnow.
297 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
299 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
301 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
303 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
305 * doc/invoke.texi (Optimize Options): Delete spurious @table.
307 2001-09-28 Richard Henderson <rth@redhat.com>
309 * varasm.c (assemble_integer): Bound alignment check by
310 BIGGEST_ALIGNMENT.
312 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
314 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
316 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
318 2001-09-25 Bernd Schmidt <bernds@redhat.com>
320 Mostly from Graham Stott <grahams@redhat.com>
321 * c-common.c (type_for_mode): Add support for V2SFmode.
322 * tree.c (build_common_tree_nodes_2): Likewise.
323 * tree.h (enum tree_index, global_trees): Likewise.
324 * config/i386/i386.c (x86_3dnow_a): New variable.
325 (override_options): Support 3Dnow extensions.
326 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
327 Athlon's version of 3Dnow.
328 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
329 (ix86_expand_builtin): Handle them.
330 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
331 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
332 TARGET_3DNOW_A): New macros.
333 (TARGET_SWITCHES): Add 3Dnow switches.
334 (VALID_MMX_REG_MODE_3DNOW): New macro.
335 (VECTOR_MODE_SUPPORTED_P): Use it.
336 (enum ix86_builtins): Add entries for 3Dnow builtins.
337 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
338 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
339 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
340 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
341 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
342 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
343 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
344 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
345 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
346 sfence_insn, prefetch): Make these available if TARGET_SSE or
347 TARGET_3DNOW_A.
349 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
351 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
352 ix86_va_start, ix86_build_va_list): Declare.
353 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
354 ix86_va_start, ix86_build_va_list): New global functions.
355 * i386.md (sse_prologue_save_insn): New insn.
356 (sse_prologue_save): New expander.
357 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
358 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
360 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
362 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
363 Use size_t everywhere, make definitions consistent with
364 prototypes.
366 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
368 * gcse.c (replace_store_insn): Use delete_insn.
369 * loop.c (move_movables): Likewise; avoid delete_insn
370 from clobbering notes moved elsewhere.
371 (check_dbra_loop): Use delete_insn.
372 * ssa.c (convert_from_ssa): Likewise.
373 * cse.c (cse_insn): Use delete_insn.
375 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
377 * cpphash.h (struct cpp_buff): Make unsigned.
378 (_cpp_get_buff): Take length of size_t.
379 (_cpp_unaligned_alloc): New.
380 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
381 (struct cpp_reader): Remove ident_pool. Add u_buff.
382 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
383 (cpp_destroy): Destroy u_buff, not ident_pool.
384 * cpplex.c (parse_number, parse_string, save_comment,
385 cpp_token_as_text): Update to use the unaligned buffer.
386 (new_buff): Make unsigned.
387 (_cpp_unaligned_alloc): New.
388 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
389 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
390 Similarly.
391 (collect_args): Make unsigned.
393 2001-09-27 Zack Weinberg <zack@codesourcery.com>
395 * cpplex.c (cpp_output_token): Use a putc loop for
396 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
398 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
399 * configure, config.in: Regenerate.
400 * system.h: Replace fwrite and fprintf with their unlocked
401 variants if available.
403 2001-09-27 Richard Henderson <rth@redhat.com>
405 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
406 in favour of .eh_frame.
408 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
410 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
411 to macros.
412 (LIBCALL_VALUE): Likewise.
414 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
416 * cpphash.h: Update comment.
417 * cpplex.c: Update comments.
418 (_cpp_can_paste): Remove.
419 * cpplib.h (_cpp_can_paste): Remove.
420 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
421 lexer rather than _cpp_can_paste.
423 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
425 * doc/cppinternals.texi: Update.
427 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
429 * cpphash.h (struct cpp_pool): Remove locks and locked.
430 (struct cpp_context): Add member buff.
431 (struct cpp_reader): Remove member argument_pool.
432 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
433 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
434 * cpplex.c (chunk_suitable): Remove pool argument.
435 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
436 (new_buff, _cpp_extend_buff): Update.
437 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
438 which buffer is returned.
439 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
440 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
441 * cppmacro.c (lock_pools, unlock_pools): Remove.
442 (push_ptoken_context): Take a _cpp_buff.
443 (enter_macro_context): Pool locking removed.
444 (replace_args): Use a _cpp_buff for the replacement list with
445 arguments replaced.
446 (push_token_context): Clear buff.
447 (expand_arg): Use _cpp_pop_context.
448 (_cpp_pop_context): Free a context's buffer, if any.
450 2001-09-26 DJ Delorie <dj@redhat.com>
452 * c-typeck.c (digest_init): Check for sizeless arrays.
454 2001-09-26 Richard Henderson <rth@redhat.com>
456 * optabs.c (init_one_libfunc): Create a dummy function type
457 instead of using error_mark_node.
459 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
461 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
462 _cpp_extend_buff, _cpp_free_buff): New.
463 (struct cpp_reader): New member free_buffs.
464 * cppinit.c (cpp_destroy): Free buffers.
465 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
466 _cpp_extend_buff, _cpp_free_buff): New.
467 * cpplib.h (struct cpp_options): Remove unused member.
468 * cppmacro.c (collect_args): New. Combines the old parse_arg
469 and parse_args. Use _cpp_buff for memory allocation.
470 (funlike_invocation_p, replace_args): Update.
472 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
474 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
476 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
478 * except.c (sjlj_mark_call_sites): Change address inside sequence.
480 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
482 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
483 glibc.
485 2001-09-25 Janis Johnson <janis187@us.ibm.com>
486 Jim Wilson <wilson@redhat.com>
488 * doc/install.texi (Specific, ia64-*-linux): Document.
490 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
492 * Makefile.in (cfgrtl.o): Add.
493 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
494 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
495 free_aux_for_edge): Declare.
496 * cfg.c
497 (HAVE_return): Undefine.
498 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
499 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
500 free_aux_for_edge): New global functions.
501 (first_delete_block): New static variable.
502 (init_flow): Clear first_delete_block.
503 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
504 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
505 try_redirect_by_replacing_jump, last_loop_beg_note,
506 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
507 delete_insn, delete_insn_chain, create_basic_block_structure,
508 create_basic_block, flow_delete_block, compute_bb_for_insn,
509 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
510 set_block_for_new_insns, split_block, merge_blocks_nomove,
511 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
512 redirect_edge_and_branch, force_nonfallthru_and_redirect,
513 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
514 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
515 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
516 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
517 purge_all_dead_edges): Move to ....
518 * cfgrtl.c: New file; .... Here.
520 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
521 (reroder_basic_block): Use alloc_aux_for_blocks.
522 * predict.c (estimate_bb_frequencies): Likewise; use
523 alloc_aux_for_edges.
524 * profile.c (compute_branch_probabilities): Likewise.
525 (branch_prob): Likewise.
526 * reg-stack.c (reg_to_stack): Likewise.
528 * emit-rtl.c (emit_insns_after): Never return NULL.
530 * basic-block.h (set_block_for_new_insns): Delete.
531 * cfgrtl.c (set_block_for_new_insns): Delete.
533 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
534 calls when crossjumping.
536 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
537 * unroll.c (copy_loop_body): Use delete_insn.
539 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
540 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
541 keep_stack_depressed): Likewise.
542 * gcse.c (cprop_cc0_jump): Likewise.
543 * local-alloc.c (update_equiv_regs): Likewise.
544 * loop.c (scan_loop, loop_delete_insns): Likewise.
545 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
546 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
547 delete_output_reload, delete_address_reloads_1,
548 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
549 Likewise.
550 * sibcall.c (replace_call_placeholder): Likewise.
551 * cse.c (cse_insn): Likewise.
553 2001-09-25 Bernd Schmidt <bernds@redhat.com>
555 From Graham Stott <grahams@redhat.com>
556 (def_builtin): Only define builtins appropriate for target_flags. All
557 callers changed.
558 (builtin_decsription): Add new field mask which is used to determine
559 when to define the builtin via the macro def_builtin.
561 (bdesc_comi): Initialise new mask fields.
562 (bdesc_2srg): Likewise.
563 (bdesc_1arg): Likewise.
565 * config/i386/i386.c (ix86_init_builtins): Correct return type
566 building v4hi_ftype_v4hi_int_int tree node.
567 (ix86_expand_sse_comi): Fix typo swapping operands.
568 Don't swap comparision condition, it is already swapped.
569 (ix86_expand_sse_compare): Before swapping operands
570 move operand 1 into new rtx and not the target rtx.
571 Don't swap comparison condition, it is already swapped.
572 Always check whether we need to create a new TARGET.
574 * config/i386/i386.md: (sse_comi) Fix typos.
575 (sse_ucomi): Likewise.
576 (cvtss2si): Fix operand 0 contraint.
577 (cvttss2si): Likewise.
578 (sse_unpckhps): Fix mode for operand 2.
579 (sse_unpcklps): Likewise.
581 2001-09-25 Graham Stott <grahams@redhat.com>
583 * sibcall.c (skip_copy_to_return_value): Tighten return value
584 copy check.
586 2001-09-24 David Edelsohn <edelsohn@gnu.org>
588 * rs6000.c (lwa_operand): Address must be word aligned.
590 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
592 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
593 number has been set.
594 (type_hash_mark): Mark type itself.
596 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
598 * c-lex.c (cb_def_pragma): Update.
599 (c_lex): Update, and skip padding.
600 * cppexp.c (lex, parse_defined): Update, remove unused variable.
601 * cpphash.h (struct toklist): Delete.
602 (union utoken): New.
603 (struct cpp_context): Update.
604 (struct cpp_reader): New members eof, avoid_paste.
605 (_cpp_temp_token): New.
606 * cppinit.c (cpp_create_reader): Update.
607 * cpplex.c (_cpp_temp_token): New.
608 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
609 (cpp_output_token): Don't print leading whitespace.
610 (cpp_output_line): Update.
611 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
612 do_include_common, do_line, do_ident, do_pragma,
613 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
614 parse_assertion): Update.
615 (get_token_no_padding): New.
616 * cpplib.h (CPP_PADDING): New.
617 (AVOID_LPASTE): Delete.
618 (struct cpp_token): New union member source.
619 (cpp_get_token): Update.
620 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
621 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
622 replace_args, quote_string, stringify_arg, parse_arg, next_context,
623 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
624 _cpp_backup_tokens, _cpp_create_definition): Update.
625 (push_arg_context): Delete.
626 (padding_token, push_token_context, push_ptoken_context): New.
627 (make_string_token, make_number_token): Update, rename.
628 (cpp_get_token): Update to handle tokens as pointers to const,
629 and insert padding appropriately.
630 * cppmain.c (struct printer): New member prev.
631 (check_multiline_token): Constify.
632 (do_preprocessing, cb_line_change): Update.
633 (scan_translation_unit): Update to handle spacing.
634 * scan-decls.c (get_a_token): New.
635 (skip_to_closing_brace, scan_decls): Update.
636 * fix-header.c (read_scan_file): Update.
638 * doc/cpp.texi: Update.
640 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
643 leak by passing malloc'ed pointer to reconcat, not concat.
645 2001-09-24 DJ Delorie <dj@redhat.com>
647 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
649 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
651 * flow.c (delete_dead_jumptables): Delete jumptable if the only
652 reference is from the literal pool.
654 2001-09-24 Janis Johnson <janis187@us.ibm.com>
656 * doc/install.texi (Final install): Request additional information
657 in mail about successful builds.
659 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
661 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
662 initial value of return pointer register instead of value in frame-20.
663 Revise comments.
665 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
667 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
668 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
669 the libcall if there isn't a referenced identifier for the symbol.
671 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
673 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
674 non 64-bit machines. Use these as a plabel for the trampoline.
675 (TRAMPOLINE_SIZE): Adjust size for new words.
676 (INITIALIZE_TRAMPOLINE): Initialize new words.
677 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
678 pointer to the plabel in the trampoline.
680 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
682 * pa.c (function_arg): Pass floating arguments in both general and
683 floating registers in indirect (dynamic) calls when generating code
684 for the 32 bit ABI and the HP assembler.
686 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
688 * doc/install.texi: Markup fixes.
689 Use Solaris 2, SunOS 4 as appropriate.
690 (Specific, *-*-solaris2*): Explain this.
691 Unconditionally warn against /usr/ucb tools.
692 Remove Sun as warning, obsolete.
693 Move X11 header bug workaround here, update patches.
694 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
695 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
697 2001-09-23 Zack Weinberg <zack@codesourcery.com>
699 * errors.h (warning, error, fatal, internal_error): Don't mark
700 with ATTRIBUTE_PRINTF_n.
701 * toplev.h (internal_error, fatal_io_error, warning, error,
702 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
703 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
704 Likewise.
706 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
708 * function.c (pop_function_context_from): var_refs_queue
709 and temp slots now in GC memory.
710 (mark_function_status, free_after_compilation): Likewise;
711 also struct function now in GC memory.
712 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
713 (combine_temp_slots): Likewise.
714 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
715 (prepare_function_start): Use GC memory for struct function.
716 (mark_temp_slot): Deleted.
717 (gcc_mark_struct_function): struct function now in GC memory.
719 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
720 code for division, not modulus.
722 * rtl.def (MEM): Remove obsolete part of comment.
724 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
726 * c-format.c (init_function_format_info): Check __builtin_printf
727 and __builtin_fprintf even if -ffreestanding. Check C99 functions
728 in gnu89 mode.
730 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
732 * c-common.c (format_attribute_table): Remove decl.
733 * tree.h (format_attribute_table, lang_attribute_table): New decls.
734 (lang_attribute_common): Likewise.
736 * function.c (fix_lexical_address): Use set_mem_alias_set.
737 (expand_function_start): Likewise.
738 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
740 * varasm.c (output_constant): Fix unused variable warning.
742 * attribs.c: New file, from c-common.c.
743 (attribute_tables): Now four elements.
744 (format_attribute_table, lang_attribute_common): New variables.
745 (init_attributes): Reflect above changes.
746 (handle_mode_attribute): Delete check for wider than uintmax.
747 * c-common.c: Delete parts moved to attribs.c.
748 (enum attrs): Deleted; unused.
749 (c_format_attribute_table): New variable.
750 (c_common_lang_init): Initialize format_attribute_table with it.
751 * c-common.h (decl_attributes): Remove decl.
752 * tree.h (decl_attribute): Move it to here.
753 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
754 (attribs.o): New rule.
756 2001-09-22 Andreas Jaeger <aj@suse.de>
758 * builtins.c (c_getstr): Remove unused variable.
760 2001-09-21 Richard Henderson <rth@redhat.com>
762 * reload1.c (reload): Use delete_insn instead of splatting
763 NOTE_INSN_DELETED.
765 2001-09-21 Richard Henderson <rth@redhat.com>
767 * reload.c (push_secondary_reload): Don't check for "=" in output
768 constraint after ""->ALL_REGS check.
770 2001-09-21 Richard Henderson <rth@redhat.com>
772 * predict.c (expected_value_to_br_prob): Use pc_set.
774 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
775 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
777 2001-09-21 Richard Henderson <rth@redhat.com>
779 * rtl.h (LCT_RETURNS_TWICE): New.
780 * calls.c (emit_call_1): Set current_function_calls_setjmp for
781 ECF_RETURNS_TWICE.
782 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
783 to ECF_RETURNS_TWICE.
784 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
785 call to setjmp.
787 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
789 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
790 (JMP_BUF_SIZE): New.
792 2001-09-21 Richard Henderson <rth@redhat.com>
794 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
795 to R8_REGS.
797 2001-09-21 Richard Henderson <rth@redhat.com>
799 * tree.def (FDESC_EXPR): New.
800 * expr.c (expand_expr): Handle it.
801 * varasm.c (initializer_constant_valid_p): Likewise.
802 (output_constant): Likewise.
803 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
804 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
805 (ASM_OUTPUT_FDESC): New.
806 * doc/tm.texi: Document the new macros.
808 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
810 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
811 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
812 once merging is complete.
814 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
816 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
818 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
820 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
821 that would be invalid after a merge.
823 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
825 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
826 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
827 remove some labels.
828 (flow_delete_insn): This one.
829 (delete_insn_chain): Rename from ...; do not care labels.
830 (flow_delete_insn_chain): ... this one.
831 (flow_delete_block): Remove the insns one BB has been expunged.
832 (merge_blocks_nomove): Likewise.
833 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
834 updating BB boundaries.
835 (tidy_fallthru_edge): Likewise.
836 (commit_one_edge_insertion): Likewise.
837 * cfgbuild.c (find_basic_block): Likewise.
838 (find_basic_blocks_1): Likewise.
839 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
840 (try_crossjump_to_edge): Likewise.
841 (try_optimize_cfg): Likewise.
842 * cse.c (delete_trivially_dead_insns): Likewise.
843 * df.c (df_insn_delete): Likewise.
844 * doloop.c (doloop_modify): Use delete_related_insns.
845 * emit-rtl.c (try_split): Likewise.
846 (remove_insn): Update BB boundaries.
847 * expect.c (connect_post_landing_pads): Use delete_related_insns.
848 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
849 updating BB boundaries.
850 (propagate_block_delete_insn): Likewise.
851 (propagate_block_delete_libcall): Likewise.
852 * function.c (delete_handlers): Use delete_related_insns.
853 (thread_prologue_and_epilogue_insns): Likewise.
854 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
855 * genpeep.c (gen_peephole): Use delete_related_insns.
856 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
857 BB boundaries.
858 (find_cond_trap): Likewise.
859 * integrate.c (save_for_inline): Use delete_related_insns.
860 (copy_insn_list): Likewise.
861 * jump.c (pruge_linie_number_notes): Likewise.
862 (duplicate_loop_exit_test): Likewise.
863 (delete_computation): Likewise.
864 (delete_related_insn): Rename from ...; use delete_insn
865 (delete_insn): ... this one.
866 (redirect_jump): Use delete_related_insns.
867 * loop.c (scan_loop): Likewise.
868 (move_movables): Likewise.
869 (find_and_verify_loops): Likewise.
870 (check_dbra_loop): Likewise.
871 * recog.c (peephole2_optimize): Likewise.
872 * reg-stack.c (delete_insn_for_stacker): Remove.
873 (move_for_stack_reg): Use delete_insn.
874 * regmove.c (combine_stack_adjustments_for_block): Likewise.
875 * reload1.c (delete_address_reloads): Use delete_related_insns.
876 (fixup_abnormal_edges): Use delete_insn.
877 * recog.c (emit_delay_sequence): Use delete_related_insns.
878 (delete_from-delay_slot): Likewise.
879 (delete_scheduled_jump): likewise.
880 (optimize_skip): Likewise.
881 (try_merge_delay_insns): Likewise.
882 (full_simple_delay_slots): Likewise.
883 (fill_slots_from_thread): Likewise.
884 (relax_delay_slots): Likewise.
885 (make_return_insns): Likewise.
886 (dbr_schedule): Likewise.
887 * rtl.h (delete_insn): Rename to delete_related_insns.
888 (delete_insn, delete_insn_chain): New prototypes.
889 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
890 by df_insn_delete already.
891 * ssa-dce.c (delete_insn_bb): Use delete_insn.
892 * ssa.c (convert_from_ssa): Use delete_related_insns.
893 * unroll.c (unroll_loop): Likewise.
894 (calculate_giv_inc): Likewise.
895 (copy_loop_body): Likewise.
897 * i386-protos.h (ix86_libcall_value, ix86_function_value,
898 ix86_function_arg_regno_p, ix86_function_arg_boundary,
899 ix86_return_in_memory, ix86_function_value): Declare.
900 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
901 new static valurables.
902 (x86_64_reg_class): New enum
903 (x86_64_reg_class_name): New array.
904 (classify_argument, examine_argument, construct_container,
905 merge_classes): New static functions.
906 (optimization_options): Enable flag_omit_frame_pointer and disable
907 flag_pcc_struct_return on 64bit.
908 (ix86_libcall_value, ix86_function_value,
909 ix86_function_arg_regno_p, ix86_function_arg_boundary,
910 ix86_return_in_memory, ix86_function_value): New global functions.
911 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
912 (function_arg_advance): Handle x86_64 passing conventions.
913 (function_arg): Likewise.
914 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
915 (RETURN_IN_MEMORY): Move offline.
916 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
917 (FUNCTION_VALUE_REGNO_P): New macro.
918 (FUNCTION_ARG_REGNO_P): Move offline.
919 (struct ix86_args): Add maybe_vaarg.
920 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
921 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
923 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
925 * s390.md: Changed attributes for scheduling.
926 * s390.c: (s390_adjust_cost, s390_adjust_priority)
927 Changed scheduling
929 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
931 Table-driven attributes.
932 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
933 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
934 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
935 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
936 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
937 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
938 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
939 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
940 * tree.h (struct tree_decl): Change machine_attributes to
941 attributes.
942 * doc/c-tree.texi: Document that all attributes are now attached
943 to decls and types.
944 * c-common.c (add_attribute, attrtab, attrtab_idx,
945 default_valid_lang_attribute, valid_lang_attribute): Remove.
946 (attribute_tables, attributes_initialized,
947 c_common_attribute_table, default_lang_attribute_table): New
948 variables.
949 (handle_packed_attribute, handle_nocommon_attribute,
950 handle_common_attribute, handle_noreturn_attribute,
951 handle_unused_attribute, handle_const_attribute,
952 handle_transparent_union_attribute, handle_constructor_attribute,
953 handle_destructor_attribute, handle_mode_attribute,
954 handle_section_attribute, handle_aligned_attribute,
955 handle_weak_attribute, handle_alias_attribute,
956 handle_no_instrument_function_attribute,
957 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
958 handle_no_limit_stack_attribute, handle_pure_attribute): New
959 functions.
960 (init_attributes, decl_attributes): Rewrite to implement
961 table-driven attributes.
962 * c-common.h (enum attribute_flags): Move to tree.h.
963 * c-format.c (decl_handle_format_attribute,
964 decl_handle_format_arg_attribute): Rename to
965 handle_format_attribute and handle_format_arg_attribute. Update
966 for table-driven attributes.
967 * c-common.h (decl_handle_format_attribute,
968 decl_handle_format_arg_attribute): Remove prototypes.
969 (handle_format_attribute, handle_format_arg_attribute): Add
970 prototypes.
971 * c-decl.c (grokdeclarator): Handle attributes nested inside
972 declarators.
973 * c-parse.in (setattrs, maybe_setattrs): Remove.
974 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
975 Update to handle nested attributes properly.
976 (maybe_resetattrs, after_type_declarator,
977 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
978 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
979 properly.
980 (make_pointer_declarator): Update to handle nested attributes
981 properly.
982 * doc/extend.texi: Update documentation of limits of attributes
983 syntax. Warn about problems with attribute semantics in C++.
984 * target.h (struct target): Remove valid_decl_attribute and
985 valid_type_attribute. Add attribute_table and
986 function_attribute_inlinable_p.
987 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
988 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
989 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
990 Add.
991 (TARGET_INITIALIZER): Update.
992 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
993 definition.
994 (function_attribute_inlinable_p): New function. Check for the
995 presence of any machine attributes before using
996 targetm.function_attribute_inlinable_p.
997 (function_cannot_inline_p): Update.
998 * Makefile.in (integrate.o): Update dependencies.
999 * doc/tm.texi: Update documentation of target attributes and
1000 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
1001 * tree.c (default_valid_attribute_p, valid_machine_attribute):
1002 Remove.
1003 (default_target_attribute_table,
1004 default_function_attribute_inlinable_p): New.
1005 (lookup_attribute): Update comment to clarify handling of multiple
1006 attributes with the same name.
1007 (merge_attributes, attribute_list_contained): Allow multiple
1008 attributes with the same name but different arguments to appear in
1009 the same attribute list.
1010 * tree.h (default_valid_attribute_p): Remove prototype.
1011 (struct attribute_spec): New.
1012 (default_target_attribute_table): Declare.
1013 (enum attribute_flags): Move from c-common.h. Add
1014 ATTR_FLAG_TYPE_IN_PLACE.
1015 (default_function_attribute_inlinable_p): Declare.
1016 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
1017 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1018 (TARGET_ATTRIBUTE_TABLE): Define.
1019 (vms_attribute_table): New.
1020 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
1021 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1022 (TARGET_ATTRIBUTE_TABLE): Define.
1023 (arc_attribute_table, arc_handle_interrupt_attribute): New.
1024 * config/arm/arm.c (arm_valid_type_attribute_p,
1025 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
1026 Remove.
1027 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1028 define.
1029 (TARGET_ATTRIBUTE_TABLE): Define.
1030 (arm_attribute_table, arm_handle_fndecl_attribute,
1031 arm_handle_isr_attribute): New.
1032 * config/avr/avr.c (avr_valid_type_attribute,
1033 avr_valid_decl_attribute): Remove.
1034 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
1035 define.
1036 (TARGET_ATTRIBUTE_TABLE): Define.
1037 (avr_attribute_table, avr_handle_progmem_attribute,
1038 avr_handle_fndecl_attribute): New.
1039 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
1040 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1041 (TARGET_ATTRIBUTE_TABLE): Define.
1042 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
1043 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
1044 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1045 (TARGET_ATTRIBUTE_TABLE): Define.
1046 (h8300_attribute_table, h8300_handle_fndecl_attribute,
1047 h8300_handle_eightbit_data_attribute,
1048 h8300_handle_tiny_data_attribute): New.
1049 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
1050 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
1051 Remove prototypes.
1052 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
1053 declarations.
1054 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
1055 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
1056 define.
1057 (TARGET_ATTRIBUTE_TABLE): Define.
1058 (ix86_attribute_table, ix86_handle_cdecl_attribute,
1059 ix86_handle_regparm_attribute): New.
1060 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
1061 i386_pe_valid_type_attribute_p): Remove.
1062 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
1063 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
1064 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1065 (TARGET_ATTRIBUTE_TABLE): Define.
1066 (ia64_attribute_table): New.
1067 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
1068 interrupt_ident2, model_ident1, model_ident2): Remove.
1069 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1070 (TARGET_ATTRIBUTE_TABLE): Define.
1071 (init_idents): Update.
1072 (m32r_attribute_table, m32r_handle_model_attribute): New.
1073 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
1074 Remove.
1075 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1076 (TARGET_ATTRIBUTE_TABLE): Define.
1077 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
1078 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
1079 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1080 (TARGET_ATTRIBUTE_TABLE): Define.
1081 (mcore_attribute_table, mcore_handle_naked_attribute): New.
1082 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
1083 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1084 (TARGET_ATTRIBUTE_TABLE): Define.
1085 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
1086 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
1087 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
1088 (TARGET_ATTRIBUTE_TABLE): Define.
1089 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
1090 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
1091 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1092 (TARGET_ATTRIBUTE_TABLE): Define.
1093 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
1094 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1095 New.
1096 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
1097 Remove.
1098 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
1099 (TARGET_ATTRIBUTE_TABLE): Define.
1100 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
1101 New.
1102 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
1103 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
1104 (TARGET_ATTRIBUTE_TABLE): Define.
1105 (v850_attribute_table, v850_handle_interrupt_attribute,
1106 v850_handle_data_area_attribute): New.
1107 * config/v850/v850-c.c (mark_current_function_as_interrupt):
1108 Return void. Call decl_attributes instead of
1109 valid_machine_attribute.
1111 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
1113 * sh-protos.h (sh_pr_n_sets): Declare.
1114 * sh.c (calc_live_regs): If the initial value for PR has been copied,
1115 look at the copy to determine if PR needs to be saved.
1116 sh_pr_n_sets: New function.
1117 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
1118 (ALLOCATE_INITIAL_VALUE): Define.
1120 * sh.c (initial_elimination_offset):
1121 Fix RETURN_ADDRESS_POINTER_REGNUM case.
1123 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
1125 * integrate.c (allocate_initial_values): New function.
1126 * integrate.h (allocate_initial_values): Declare.
1127 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
1128 here...
1129 * reload1.c (reload): And initialization of reg_equiv_memory_loc
1130 from here...
1131 * toplev.c (rest_of_compilation): To here.
1132 Call allocate_initial_values.
1133 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
1135 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1137 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
1139 2001-09-20 DJ Delorie <dj@redhat.com>
1141 * c-typeck.c (really_start_incremental_init): Discriminate
1142 between zero-length arrays and flexible arrays.
1143 (push_init_level): Detect zero-length arrays and handle them
1144 like fixed-sized arrays.
1145 * expr.c (store_constructor): Handle zero-length arrays and
1146 flexible arrays correctly.
1147 * doc/extend.texi: Update zero-length array notes.
1149 2001-09-20 Jim Wilson <wilson@redhat.com>
1151 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
1152 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
1153 for issue port conflicts.
1154 (cycle_end_fill_slots): TYPE_L instructions take two slots.
1156 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
1158 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
1159 on ia64.
1161 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1163 * fold-const.c (hashtab.h): Include.
1164 (int_const_binop): Remove FORSIZE arg and compute from type; all
1165 callers changed.
1166 Call size_int_type_wide for all single-word constants.
1167 (size_htab_hash, size_htab_eq): New functions.
1168 (size_int_type_wide): Rework to use hash table.
1169 * ggc-common.c (hashtab.h): Include.
1170 (struct d_htab_root): New struct.
1171 (d_htab_roots): New variable.
1172 (ggc_add_deletable_htab, ggc_htab_delete): New functions
1173 (ggc_mark_roots): Handle deletable htabs.
1174 * ggc-page.c (ggc_marked_p): New function.
1175 * ggc-simple.c (ggc_marked_p): Likewise.
1176 * ggc.h: Reformatting throughout.
1177 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1178 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1179 (type_hash_add): Allocate struct type_hash from GC memory.
1180 (mark_hash_entry, mark_type_hash): Deleted.
1181 (type_hash_marked_p, type_hash_mark): New functions.
1182 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1184 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1186 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1187 than SImode.
1189 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1191 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1192 array-too-large test for signed sizetype.
1194 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1196 * i386.md (indirect_jump): Allow Pmode operand.
1197 (tablejump): LIkewise; perform expansion to 64bit mode.
1198 * i386.c (symbolic_operand): Allow 64bit PIC references.
1199 (pic_symbolic_operand): Likewise.
1200 (ix86_find_base_term): Strip the 64bit PIC references.
1201 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1202 (legitimize_pic_address): Likewise.
1203 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1204 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1206 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1208 * stringpool.c (get_identifier_with_length): New function.
1209 * tree.h (get_identifier_with_length): New prototype.
1211 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1212 David Edelsohn <edelsohn@gnu.org>
1214 Revert:
1215 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1216 already sign-extended.
1218 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1219 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1220 HOST_WIDE_INT.
1221 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1222 (output_profile_hook): Declare label_name const.
1223 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1224 to match constraints.
1226 2001-09-19 Stan Shebs <shebs@apple.com>
1228 * alias.c: Fix typos in comments.
1229 * sched-rgn.c (init_ready_list): Ditto.
1230 * unwind-dw2.c (uw_frame_state_for): Ditto.
1231 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1232 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1233 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1235 2001-09-19 Richard Henderson <rth@redhat.com>
1237 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1238 to the exit block.
1239 * Makefile.in (cfg.o): Depend on TM_P_H.
1241 2001-09-19 Richard Henderson <rth@redhat.com>
1243 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1244 (local_symbolic_operand): ... here.
1245 (small_symbolic_operand): Check mode.
1246 (global_symbolic_operand): New.
1247 (input_operand): Reject symbolics if explicit relocs.
1248 (call_operand): Tidy.
1249 (alpha_legitimize_address): Use movdi_er_high_g.
1250 (alpha_expand_mov): Likewise.
1251 * config/alpha/alpha-protos.h: Update.
1252 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1253 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1254 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1255 (UNSPECV_LDGP2): Remove.
1256 (all call patterns): Use 's' not 'i' for symbolic constraint.
1257 (call_osf call_value_osf): Use call_operand.
1258 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1259 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1260 (prologue_ldgp_1_er): Remove.
1261 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1262 (builtin_setjmp_receiver_er patterns): Use them.
1263 (exception_receiver_er): Likewise.
1265 2001-09-19 Richard Henderson <rth@redhat.com>
1267 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1269 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1270 and NON_LOCAL_GOTO notes.
1271 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1272 copy over CALL_INSN_FUNCTION_USAGE.
1274 2001-09-18 Catherine Moore <clm@redhat.com>
1276 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1277 Define as 0.
1279 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1281 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1282 new-style tm_file specification. Specify correct tm_p_file,
1283 md_file, and out_file for s390x.
1285 * config/s390/linux.h, linux64.h: Don't include other target
1286 macro header files. Now handled via tm_file.
1288 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1289 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1290 are defined before use.
1292 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1294 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1295 code generation only for Gnu assembler.
1297 2001-09-18 Catherine Moore <clm@redhat.com>
1299 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1301 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1303 * config/mips/mips.c (mips_frame_set): New.
1304 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1305 a parallel frame-related expression with a set for each register.
1307 2001-09-18 Philip Blundell <philb@gnu.org>
1309 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1310 header files.
1312 2001-09-17 Dale Johannesen <dalej@apple.com>
1314 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1315 * config/rs6000/aix.h (FIXED_R2): Define.
1316 * config/rs6000/darwin.h (FIXED_R2): Define.
1317 * config/rs6000/sysv4.h (FIXED_R2): Define.
1319 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1321 * except.c (dw2_build_landing_pads): New local
1322 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1323 barrier after clobbers. Fixes c++/4012.
1325 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1327 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1329 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1331 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1332 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1334 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1336 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1337 alloca/strcpy.
1339 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1341 * cpphash.h (_cpp_lex_direct): New.
1342 * cpplex.c (_cpp_lex_token): Update.
1343 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1344 and increment that pointer.
1345 * cppmacro.c (alloc_expansion_token): New.
1346 (lex_expansion_token): Lex macro expansion directly into
1347 macro storage.
1349 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1351 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1353 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1355 * basic-block.h (free_bb_for_insn): Declare.
1356 * bb-reorder.c (label_for_bb): Use block_label.
1357 (emit_jump_to_block_after): Remove.
1358 (insert_intra_1): Do not update block_for_insn.
1359 (insert_inter_bb_scope_notes): Likewise; update bb->end
1360 * cfg.c (free_bb_for_insn): New.
1361 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1362 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1363 (commit_one_edge_insertion): Likewise.
1364 (commit_one_edge_insertion): Do not update BB boundary.
1365 (commit_edge_insertions): Do not call compute_bb_for_insn.
1366 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1367 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1368 (merge_blocks_move_successor_nojumps): Likewise.
1369 (try_crossjump_to_edge): Do not update block_for_insn.
1370 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1371 * df.c (df_pattern_emit_later): Do not update BB boundary.
1372 (df_jump_pattern_emit_after): Likewise.
1373 (df_insn_move_before): Use emit_insn_before.
1374 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1375 properly.
1376 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1377 boundaries and basic_block_for_insn.
1378 (reorder_insns_nobb): Rename from reorder_insns.
1379 (reorder_insns): New.
1380 (emit_block_insn_before, emit_block_insn_after): Kill.
1381 * flow.c (check_function_return_warnings): Do not call
1382 compute_bb_for_insn; Do not free basic_block_for_insn.
1383 (attempt_auto_inc): Do not update basic_block_for_insn.
1384 * function.c (emit_return_into_block): Likewise;
1385 do not update BB boundaries.
1386 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1387 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1388 (pre_insert_copy_insn): Likewise.
1389 (update_ld_motion_notes): Likewise.
1390 (insert_insn_start_bb): Likewise.
1391 (replace_store_insn): Likewise.
1392 * ifcvt.c (noce_process_if_block): Likewise.
1393 (if_convert): Do not call compute_bb_for_insn.
1394 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1395 Use emit_insn_before and emit_insn_after.
1396 * recog.c (split_all_insns): Do not update BB boundaries;
1397 Do not call compute_bb_for_insn.
1398 (peephole2_optimize): Do not update BB boundaries.
1399 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1400 emit_insn_before.
1401 (emit_swap_insn): Likewise.
1402 (convert_regs_1): Likewise.
1403 * reload1.c (reload): Call compute_bb_for_insn.
1404 * rtl.h (reorder_insns_nobb): Declare.
1405 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1406 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1407 at places CFG is invalidated; do not call compute_bb_for_insn.
1409 * cfg.c (expunge_block): Invalidate BB structure.
1411 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1412 array.
1414 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1416 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1418 * cpphash.h (_cpp_lex_token): Update prototype.
1419 * cpplex.c (_cpp_lex_token): New prototype.
1420 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1421 lex_macro_node, read_flag, do_pragma_poison): Update.
1422 * cppmacro.c (cpp_get_token, parse_params,
1423 lex_expansion_token): Update.
1425 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1427 * cppmain.c (scan_translation_unit): Don't worry about
1428 putting a space after hashes.
1429 * cpplib.c (directive_diagnostics): New.
1430 (_cpp_handle_directive): Update to use directive_diagnostics.
1431 (run_directive): Don't toggle prevent_expansion.
1432 (do_line): Backup in case of the line extension.
1433 * cpplib.h (cpp_lexer_pos): Remove.
1434 * cppmacro.c (_cpp_create_definition): Precede a leading #
1435 with whitespace.
1437 2001-09-15 Richard Henderson <rth@redhat.com>
1439 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1441 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1443 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1445 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1447 PR preprocessor/3571
1448 * tradcpp.c (handle_directive): Skip non-vertical space.
1450 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1452 * cppmain.c (setup_callbacks): Set line callback only
1453 if outputting preprocessed source.
1455 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1457 * collect2.c (main): Const-ification.
1458 * gcc.c (translate_options, process_command): Use xstrdup in
1459 lieu of xmalloc/strcpy.
1460 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1462 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1464 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1465 example.
1467 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1469 * scan-decls.c (scan_decls): Fix typo.
1471 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1473 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1474 Split mlstring_pos into mls_line and mls_col.
1475 * cppinit.c (cpp_create_reader): Initialize line to 1.
1476 (cpp_destroy): Free tokenruns.
1477 (push_include): Don't update lexer_pos.
1478 * cpplex.c (unterminated, parse_string): Update.
1479 (lex_token): Don't update lexer_pos, update.
1480 * cpplib.c (if_stack): Save line instead of line + col.
1481 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1482 push_conditional, _cpp_pop_buffer): Update.
1483 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1484 (_cpp_create_definition): Update.
1486 2001-09-15 Eric Christopher <echristo@redhat.com>
1488 * config/mips/abi64.h: Add support for MEABI.
1490 2001-09-15 Eric Christopher <echristo@redhat.com>
1492 * config/mips/mips.md: Add unspec #2.
1493 (reload_indi): Use.
1494 (reload_outdi): Ditto.
1495 (reload_outsi): Ditto.
1496 (HILO_delay): New.
1498 2001-09-15 Eric Christopher <echristo@redhat.com>
1499 Jason Eckhardt <jle@redhat.com>
1501 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1502 * config/mips/isa32-linux.h: New file.
1503 * config/mips/isa3264.h: Ditto.
1504 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1505 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1506 (output_block_mode): Support MEABI.
1507 (function_arg): Ditto. Fix floating point arg passing.
1508 (mips_va_start): Ditto.
1509 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1510 processors.
1511 (mips_asm_file_start): Add new section to pass abi to gdb.
1512 (function_arg_pass_by_reference): Support MEABI.
1513 (mips_parse_cpu): Support mips32 and mips64 processors.
1514 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1515 TARGET_MIPS5KC. Support isa32 and isa64.
1516 (processor_type): Add r4kc, r5kc, r20kc.
1517 (GENERATE_MULT3_SI): New.
1518 (GENERATE_MULT3_DI): Ditto.
1519 (GENERATE_MULT3): Remove.
1520 (ISA_HAS_64BIT_REGS): Add isa == 64.
1521 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1522 (ISA_HAS_MADD_MSUB): New.
1523 (ISA_HAS_CLZ_CLO): Ditto.
1524 (ISA_HAS_DCLZ_DCLO): Ditto.
1525 (ABI_GAS_ASM_SPEC): New.
1526 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1527 (ASM_SPEC): Ditto.
1528 (LINK_SPEC): Ditto.
1529 (SUBTARGET_CC1_SPEC): Ditto.
1530 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1531 (PAD_VARARGS_DOWN): Support MEABI.
1532 (HARD_REGNO_NREGS): Move to mips.c.
1533 (ASM_OUTPUT_IDENT): Add #undef.
1534 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1535 (mulsi3): Use GENERATE_MULT3_SI.
1536 (mulsi3_mult3): Ditto. Support mips32, mips64.
1537 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1538 (mul_sub_si): New pattern.
1539 (unnamed splitters): New.
1540 (muldi3): Use GENERATE_MULT3_DI.
1541 (muldi3_internal2): Ditto.
1542 (movdicc): Support mips32.
1543 * config/mips/t-isa3264: New file.
1545 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1547 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1548 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1549 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1551 * reorg.c (fill_slots_from_thread): After call to
1552 steal_delay_list_from_target, update own_thread as new_thread may
1553 have branched.
1555 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1557 * cpperror.c (print_location): Take line and column, for
1558 default positioning use the previously lexed token.
1559 (_cpp_begin_message): Take line and column.
1560 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1561 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1562 * cpphash.h (_cpp_begin_message): Update prototype.
1563 * cppinit.c (push_include): Don't set output line.
1564 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1565 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1566 (do_pragma): Kludge for front ends. Don't expand macros at all.
1567 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1568 (struct cpp_token): Remove output_line.
1569 (struct cpp_callbacks): New member line_change.
1570 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1571 cpp_get_token): Preserve BOL flag.
1572 (cpp_get_line): Remove.
1573 (_cpp_backup_tokens): Remove useless abort().
1574 * cppmain.c (cb_line_change): New.
1575 (scan_translation_unit): Don't worry about starting new lines here.
1576 * scan-decls.c (scan_decls): Update.
1577 * c-lex.c (c_lex, init_c_lex): Update.
1578 (cb_line_change, src_lineno): New.
1580 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1582 * tree.c (append_random_chars): Generate the random
1583 characters in a reproducable fashion.
1585 2001-09-14 Richard Henderson <rth@redhat.com>
1587 * config/i386/i386.c (internal_label_prefix): New.
1588 (internal_label_prefix_len): New.
1589 (override_options): Set them.
1590 (local_symbolic_operand): New.
1591 (legitimate_pic_address_disp_p): Use it.
1592 (legitimize_pic_address): Likewise.
1594 2001-09-14 Marc Espie <espie@openbsd.org>
1596 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1597 correctly.
1599 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1601 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1602 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1604 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1606 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1607 invocation of SUBREG_REGNO_OFFSET.
1609 * haifa-sched.c: Fix typo in FSF copyright statement.
1610 * sched-deps.c: Fix typo in FSF copyright statement.
1611 * sched-ebb.c: Fix typo in FSF copyright statement.
1612 * sched-rgn.c: Fix typo in FSF copyright statement.
1613 * sched-vis.c: Fix typo in FSF copyright statement.
1615 * config.gcc: Move inclusion of arm elf specific header files
1616 from the files themselves into the tm_file variable. Make
1617 sure that elfos.h is included before target specific elf
1618 headers.
1619 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1620 already defined.
1621 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1622 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1623 ASM_OUTPUT_CASE_LABEL): Protect definition.
1624 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1625 not already defined.
1626 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1627 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1628 Remove duplicate definition.
1629 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1630 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1631 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1632 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1633 Remove inclusion of arm/elf.h.
1634 * config/arm/unknown-elf.h: as for conix-elf.h.
1635 (STARTFILE_SPEC): Include crti.o and crtn.o.
1636 * config/arm/linux-elf.h: as for conix-elf.h.
1637 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1638 * config/arm/strongarm-elf.h: Remove inclusion of
1639 unknown-elf.h.
1640 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1641 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1642 unknown-elf.h and elf.h.
1643 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1644 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1645 ASM_WEAKEN_LABEL): Remove redundant definition.
1646 * config/arm/elf.h: Test for inclusion of elfos.h
1647 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1648 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1649 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1650 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1651 redundant definition.
1652 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1653 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1654 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1655 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1656 Add rules to build crti.o and crtn.o
1657 * crti.asm: New file.
1658 * crtn.asm: New file.
1660 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1662 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1663 * cpphash.h (struct tokenrun): Add prev.
1664 (struct lexer_state): Remove bol.
1665 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1666 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1667 : Remove.
1668 * cppinit.c (cpp_create_reader): Don't set bol.
1669 (cpp_destroy): Don't free lookaheads.
1670 * cpplex.c (lex_directive): Remove.
1671 (next_tokenrun): Update.
1672 (_cpp_lex_token): Clean up logic.
1673 (lex_token): Update to return a pointer to lexed token, since it
1674 can move to the start of the buffer. Simpify newline handling.
1675 * cpplib.c (SEEN_EOL): Update.
1676 (skip_rest_of_line): Remove lookahead stuff.
1677 (end_directive): Line numbers are already incremented. Revert
1678 to start of lexed token buffer if we can.
1679 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1680 parse_answer): Use _cpp_backup_tokens.
1681 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1682 instead. Don't check for EOL.
1683 (do_include_common, do_line, do_pragma_system_header): Use
1684 skip_rest_of_line.
1685 * cpplib.h (BOL, _cpp_backup_tokens): New.
1686 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1687 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1688 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1689 (builtin_macro): Don't use cpp_get_line.
1690 (cpp_get_line): Short term kludge.
1691 (parse_arg): Handle directives in arguments here. Back up when
1692 appropriate. Store EOF at end of argument list.
1693 (funlike_invocation_p): Use _cpp_backup_tokens.
1694 (push_arg_context): Account for EOF at end of list.
1695 (cpp_get_token): Remove lookahead stuff. Update.
1697 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * c-parse.in (yyerror): Const-ification and/or static-ization.
1700 * c-typeck.c (push_member_name): Likewise.
1701 * collect2.c (main): Likewise.
1702 * dbxout.c (dbxout_parms): Likewise.
1703 * diagnostic.c (format_with_decl): Likewise.
1704 * dwarf2out.c (output_ranges): Likewise.
1705 * dwarfout.c (fundamental_type_code): Likewise.
1706 * except.c (dw2_output_call_site_table): Likewise.
1707 * gcc.c (do_spec_1): Likewise.
1708 * genopinit.c (optabs): Likewise.
1709 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1710 gen_declaration_1, handle_impent): Likewise.
1711 * protoize.c (default_include, in_system_include_dir, abspath):
1712 Likewise.
1713 * sched-vis.c (visualize_stall_cycles): Likewise.
1714 * sdbout.c (plain_type_1, sdbout_end_function,
1715 sdbout_end_epilogue): Likewise.
1716 * varasm.c (decode_reg_name): Likewise.
1718 * 1750a.c (mod_regno_adjust): Likewise.
1719 * alpha.c (alpha_write_one_linkage,
1720 unicosmk_output_default_externs): Likewise.
1721 * arm.c (arm_condition_codes): Likewise.
1722 * arm.h (arm_condition_codes): Likewise.
1723 * avr.c (output_movsisf, encode_section_info): Likewise.
1724 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1725 Likewise.
1726 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1727 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1728 * m88k.c (output_function_profiler): Likewise.
1729 * mips.c (mips_output_conditional_branch): Likewise.
1730 * ns32k.c (ns32k_out_reg_names): Likewise.
1731 * ns32k.h (ns32k_out_reg_names): Likewise.
1732 * pj.c (pj_output_rval): Likewise.
1733 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1734 * sparc.c (sparc_flat_function_prologue,
1735 sparc_flat_function_epilogue): Likewise.
1737 2001-09-13 Markus Werle <numerical.simulation@web.de>
1738 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1740 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1741 Aachen University of Technology".
1743 2001-09-13 Andreas Schwab <schwab@suse.de>
1745 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1746 C99.
1748 2001-09-13 Richard Henderson <rth@redhat.com>
1750 * config/alpha/alpha.c (small_symbolic_operand): New.
1751 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1752 (some_operand, input_operand): Don't handle HIGH.
1753 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1754 (alpha_expand_mov): Likewise.
1755 (print_operand) [H]: Just print HIGH symbol.
1756 (print_operand_address): Handle small data.
1757 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1758 (TARGET_SWITCHES): Add -msmall-data/large-data.
1759 (PIC_OFFSET_TABLE_REGNUM): New.
1760 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1761 (PREDICATE_COES): Update.
1762 * config/alpha/alpha.md (adddi_er_high): New.
1763 (adddi_er_low): Handle small data.
1764 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1765 prefer .sdata to .rodata.
1766 (SELECT_RTX_SECTION): Likewise.
1768 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1770 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1771 defining __size_t and leaving size_t undefined.
1773 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1775 * basic-block.h (expunge_block): Declare.
1776 * cfg.c (expunge_block): Remove static declaration.
1778 2001-09-12 Richard Henderson <rth@redhat.com>
1780 * integrate.c (copy_insn_list): Copy label name from
1781 NOTE_INSN_DELETED_LABEL.
1783 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * c-common.c (c_tree_code_name): Const-ification.
1786 * c-decl.c (c_decode_option): Likewise.
1787 * c-typeck.c (warn_for_assignment): Likewise.
1788 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1789 Likewise.
1790 * cppinit.c (output_deps): Likewise.
1791 * dependence.c (dependence_string, direction_string): Likewise.
1792 * dwarf2out.c (output_ranges): Likewise.
1793 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1794 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1795 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1796 standard_startfile_prefix, standard_startfile_prefix_1,
1797 standard_startfile_prefix_2, tooldir_base_prefix,
1798 standard_bindir_prefix, find_a_file): Likewise.
1799 * genattrtab.c (make_length_attrs): Likewise.
1800 * gencheck.c (tree_codes): Likewise.
1801 * genemit.c (gen_split): Likewise.
1802 * genrecog.c (special_mode_pred_table): Likewise.
1803 * graph.c (graph_ext): Likewise.
1804 * protoize (default_include): Likewise.
1805 * reload.c (reload_when_needed_name): Likewise.
1806 * sched-vis.c (visualize_stall_cycles): Likewise.
1807 * tlink.c (recompile_files): Likewise.
1808 * toplev.c (decode_g_option): Likewise.
1809 * tradcpp.c (output_deps): Likewise.
1810 * varasm.c (decode_reg_name): Likewise.
1812 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1813 Const-ification.
1814 * arm.md: Likewise.
1815 * avr.c (avr_regnames, encode_section_info): Likewise.
1816 * c4x.c (float_reg_names): Likewise.
1817 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1818 * elfos.h (const_section): Likewise.
1819 * i386.c (ix86_comp_type_attributes): Likewise.
1820 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1821 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1822 * ia64.c (type_names): Likewise.
1823 * m68hc11.c (reg_class_names): Likewise.
1824 * m88k.c (m_options): Likewise.
1825 * mips.c (mips_output_conditional_branch, mips_unique_section):
1826 Likewise.
1827 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1828 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1829 ultra_code_names): Likewise.
1830 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1832 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1834 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1835 Use --fatal-warnings option for gas.
1836 * configure: Rebuilt.
1838 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1840 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1842 2001-09-11 Jim Wilson <wilson@redhat.com>
1844 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1846 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1848 * builtins.c (c_strlen): Treat an offset too large for a
1849 HOST_WIDE_INT as out of range.
1851 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1853 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1854 (EDGE_CRITICAL_P): New predicate.
1855 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1856 handling.
1857 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1858 (dump_edge_info): Remove "crit".
1859 * cfganal.c (mark_critical_edges): Kill.
1860 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1861 * cfgcleanup.c (cleanup_cfg): Likewise.
1862 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1863 (find_spanning_tree): Likewise.
1864 * reg-stack.c (convert_regs_1): Likewise.
1865 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1867 * basic-block.h (create_basic_block_structure): New.
1868 (create_basic_block): Update prototype.
1869 (force_nonfallthru): New.
1870 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1871 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1872 handle updating of block_for_insn, creating of empty BBs and BBs at
1873 the end of INSN chain.
1874 (create_basic_block): New function.
1875 (split_block): Use create_basic_block.
1876 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1877 (redirect_edge_and_branch_force): ... here.
1878 (force_nonfallthru): New.
1879 (split_edge): Rewrite to use force_nonfallthru and create_block.
1880 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1881 (find_basic_blocks): Free basic_block_for_insn.
1882 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1884 * cfg.c: Fix formating.
1885 * cfgcleanup.c: Fix formating.
1886 (merge_blocks, tail_recursion_label_p): Return bool.
1887 (merge_blocks_move_predecessor_nojumps,
1888 merge_blocks_move_successor_nojumps): Return void.
1890 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1892 * configure.in: Check whether assembler supports section merging.
1893 * config.in: Rebuilt.
1894 * configure: Rebuilt.
1895 * varasm.c (variable_section, output_constant_pool): Pass alignment
1896 to SELECT_SECTION and SELECT_RTX_SECTION.
1897 (mergeable_string_section): New.
1898 (mergeable_constant_section): New.
1899 (default_elf_asm_named_section): Output SECTION_MERGE and
1900 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1901 * output.h (mergeable_string_section): New.
1902 (mergeable_constant_section): New.
1903 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1904 * toplev.c (flag_merge_constants): New.
1905 (f_options): Add -fmerge-constants and -fmerge-all-constants
1906 options.
1907 (toplev_main): Default to -fno-merge-constants if not optimizing.
1908 * flags.h (flag_merge_constants): Add extern.
1909 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1910 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1911 argument.
1912 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1913 Define if assembler has working .subsection -1 support.
1914 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1915 Put constant into special SHF_MERGE sections if the linker should
1916 attempt to merge duplicates.
1917 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1918 macro argument.
1919 Put constant into special SHF_MERGE sections if the linker should
1920 attempt to merge duplicates.
1921 * config/alpha/elf.h: Likewise.
1922 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1923 has working .subsection -1 support.
1924 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1925 SELECT_SECTION.
1926 * config/svr3.h: Likewise.
1927 * config/darwin.h: Likewise.
1928 * config/arm/aof.h: Likewise.
1929 * config/arm/linux-elf.h: Likewise.
1930 * config/avr/avr.h: Likewise.
1931 * config/c4x/c4x.h: Likewise.
1932 * config/d30v/d30v.h: Likewise.
1933 * config/i386/dgux.h: Likewise.
1934 * config/i386/osfrose.h: Likewise.
1935 * config/i386/sco5.h: Likewise.
1936 * config/i386/svr3gas.h: Likewise.
1937 * config/ia64/aix.h: Likewise.
1938 * config/m32r/m32r.h: Likewise.
1939 * config/m68k/m68k.h: Likewise.
1940 * config/m88k/dgux.h: Likewise.
1941 * config/m88k/m88k.h: Likewise.
1942 * config/mcore/mcore-pe.h: Likewise.
1943 * config/mips/mips.h: Likewise.
1944 * config/pa/pa.h: Likewise.
1945 * config/pa/pa-linux.h: Likewise.
1946 * config/romp/romp.h: Likewise.
1947 * config/rs6000/sysv4.h: Likewise.
1948 * config/rs6000/xcoff.h: Likewise.
1949 * config/s390/linux.h: Likewise.
1950 * config/sparc/sparc.h: Likewise.
1951 * config/sparc/sysv4.h: Likewise.
1952 * config/stormy16/stormy16.h: Likewise.
1953 * config/v850/v850.h: Likewise.
1954 * config/vax/vms.h: Likewise.
1955 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1956 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1957 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1958 default_elf_asm_named_section for SHF_MERGE sections.
1960 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1962 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1963 is OK.
1965 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1967 * c-common.c (split_specs_attrs): Allow for empty attributes with
1968 empty TREE_PURPOSE. Fixes PR c/4294.
1970 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1972 * basic-block.h (cached_make_edge, make_single_succ): New.
1973 (make_edge): Remove first parameter.
1974 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1975 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1976 created edge; use obstack allocation.
1977 (make_edge, make_single_succ_edge): New.
1978 (first_removed_edge): New static variable.
1979 (init_flow): Initialize first_removed_edge and n_edges.
1980 (clear_edges): Use remove_edge.
1981 (flow_delete_block): Likewise.
1982 (remove_edge): Add removed edges to the removed edges list.
1983 (split_block, redirect_edge_and_branch_force, split_edge):
1984 Use make_edge.
1985 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1986 (add_noreturn_fake_exit_edges): Likewise.
1987 (connect_infinite_loops_to_exit): Liekwise.
1988 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1989 Use cached_make_edge.
1990 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1991 * profile.c (branch_prob): Update make_edge call.
1992 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1994 2001-09-11 Richard Henderson <rth@redhat.com>
1996 * config/alpha/alpha.c: Tidy formatting.
1997 (local_symbolic_operand): Verify mode.
1998 (alpha_sa_mask): Ignore unicos for eh_return.
1999 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
2000 * config/alpha/alpha.md (umk divsi patterns): Remove.
2001 (extendsfdf2): Remove unicos check.
2002 (tablejump): Merge vms and unicos code; always use direct set
2003 plus label_ref use.
2005 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2007 * config.gcc (alpha*-*-unicosmk*): New target.
2009 * config/alpha/alpha-protos.h (symbolic_operand,
2010 unicosmk_add_call_info_word, unicosmk_add_extern,
2011 unicosmk_defer_case_vector, unicosmk_unique_section,
2012 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
2013 unicosmk_asm_file_start, unicosmk_asm_file_end,
2014 unicosmk_output_common): Declare.
2016 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
2017 direct_return, function_arg, alpha_va_start, alpha_va_arg,
2018 alpha_does_function_need_gp, alpha_end_function): Support Cray
2019 Unicos/Mk.
2020 (alpha_init_machine_status, alpha_mark_machine_status,
2021 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
2022 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
2023 unicosmk_asm_named_section, unicosmk_insert_attributes,
2024 unicosmk_section_type_flags, symbolic_operand,
2025 unicosmk_output_module_name, unicosmk_output_default_externs,
2026 unicosmk_output_dex, unicosmk_output_externs,
2027 unicosmk_output_addr_vec, unicosmk_ssib_name,
2028 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
2029 unicosmk_asm_file_end, unicosmk_output_common,
2030 unicosmk_section_type_flags, unicosmk_unique_section,
2031 unicosmk_add_call_info_word, unicosmk_text_section,
2032 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
2033 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
2034 unicosmk_dex_count, unicosmk_special_name): New.
2035 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
2036 TARGET_ABI_UNICOSMK.
2037 (get_aligned_mem, alpha_expand_unaligned_load,
2038 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
2039 alpha_expand_unaligned_store_words): Support big-endian mode.
2040 (print_operand): Likewise. New format specifier 't'. Use
2041 TARGET_AS_SLASH_BEFORE_SUFFIX.
2042 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
2043 (alpha_pv_save_size): Update with above change.
2044 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
2045 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
2046 Unicos/Mk.
2048 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
2049 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
2050 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
2051 (EXTRA_CONSTRAINT): New constraint 'U'.
2052 (PREDICATE_CODES): Add symbolic_operand.
2054 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
2055 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
2056 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
2057 (integer division and modulus patterns): Split in default and
2058 Unicos/Mk versions.
2059 (*divmodsi_internal, *divmoddi_internal): Disable for
2060 TARGET_ABI_UNICOSMK.
2061 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
2062 little-endian and big-endian versions.
2063 (ext, ins, msk): Likewise.
2064 (extv, extzv, insv): Support big-endian mode.
2065 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
2066 (call_umk, call_value_umk, *call_umk, tablejump_umk,
2067 *tablejump_umk_internal, *call_value_umk): New.
2068 (*movdi_nofix): Add pattern for loading an address into a register on
2069 TARGET_ABI_UNICOSMK.
2070 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
2071 (umk_mismatch_args, arg_home_umk): New.
2072 (various insns): Don't use mov, fmov, nop, fnop and unop.
2073 (realign): Support TARGET_ABI_UNICOSMK.
2075 * config/alpha/unicosmk.h: New file.
2076 * config/alpha/t-unicosmk: New file.
2078 * fixinc/inclhack.def (unicosmk_restrict): New.
2079 * fixinc/fixincl.x: Regenerate.
2081 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
2082 (wchar_t): Check for and define __WCHAR_T__.
2084 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
2086 * combine.c (simplify_shift_const): Treat shifts by the mode
2087 size as undefined.
2089 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
2091 * cpphash.h (struct tokenrun): New.
2092 (struct cpp_context): New member bol.
2093 (struct cpp_reader): New members.
2094 (_cpp_init_tokenrun): New.
2095 * cppinit.c (cpp_create_reader): Set up the token runs.
2096 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
2097 (lex_token): New internalised version of _cpp_lex_token. Don't
2098 handle directives or the multiple include opimisation here any
2099 more. Simply lex a token.
2100 * cpplib.c (run_directive): Clear bol.
2101 (_cpp_pop_buffer): Set bol.
2102 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
2103 arguments.
2105 2001-09-11 Michael Meissner <meissner@redhat.com>
2107 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
2108 give an error if the user uses -mfp32.
2109 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
2110 default options.
2111 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
2112 floating point register size.
2113 (EXTRA_SPECS): Add CPP_FPR_SPEC.
2115 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
2116 HOST_WIDE_INT_PRINT_DEC to properly print the result of
2117 int_size_in_bytes.
2118 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2119 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
2121 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
2123 * dbxout.c (dbxout_parms): Fix typo in comment.
2124 * unroll.c (loop_find_equiv_value): Ditto.
2125 * toplev.c (rest_of_compilation): Ditto.
2126 * loop.c (scan_loop): Ditto.
2127 * dwarf2out.c (struct dw_fde_struct): Ditto.
2129 2001-09-10 Zack Weinberg <zackw@panix.com>
2131 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
2132 copying identifier when we're just going to throw it away.
2133 (parse_identifier_slow): New routine to handle abnormal cases.
2134 (_cpp_lex_token): Update call site.
2136 * hashtable.c (ht_lookup): Don't assume that the string we've
2137 been given is NUL-terminated.
2138 * system.h: #define __builtin_expect(a, b) to (a) if not
2139 GCC >=3.0.
2141 2001-09-10 Michael Meissner <meissner@redhat.com>
2143 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
2144 binutils, gdb.
2146 2001-09-10 David Edelsohn <edelsohn@gnu.org>
2148 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
2150 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2152 * builtins.c (c_getstr): Correct thinko in last change and further
2153 cleanup.
2155 2001-09-10 Tim Freeman <tim@fungibole.com>
2157 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
2158 into varray's and register them as roots with the garbage
2159 collector so they are not collected too soon.
2161 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
2163 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
2164 New.
2165 * basic-block.h (flow_obstack, label_value_list,
2166 tail_recursion_label_list): Declare
2167 (tidy_fallthru_edges): Declare.
2168 (expunge_block, last_loop_beg_note): Delete.
2169 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
2170 * cfg.c: New file
2171 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
2172 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
2173 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
2174 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
2175 expunge_block, flow_delete_block, compute_bb_for_insn,
2176 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
2177 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2178 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2179 try_redirect_by_replacing_jump, last_loop_beg_note,
2180 redirect_edge_and_branch, redirect_edge_and_branch_force,
2181 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2182 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2183 commit_edge_insertions, dump_flow_info, debug_flow_info,
2184 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2185 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2186 Move here from flow.c
2187 * cfganal.c: New file.
2188 (forwarder_block_p, can_fallthru, mark_critical_edges,
2189 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2190 find_unreachable_blocks, create_edge_list, free_edge_list,
2191 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2192 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2193 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2194 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2195 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2196 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2197 Move here from flow.c
2198 * cfgbuild.c: New file
2199 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2200 make_edges, find_basic_blocks_1, find_basic_blocks,
2201 find_sub_basic_blocks): Move here from flow.c
2202 * cfgcleanup.c: New file.
2203 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2204 merge_blocks_move_predecessor_nojumps,
2205 merge_blocks_move_successor_nojumps, merge_blocks,
2206 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2207 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2208 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2209 if succeeded.
2210 * cfgloop.c: New file
2211 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2212 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2213 flow_loop_exit_edges_find, flow_loop_nodes_find,
2214 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2215 flow_loop_tree_node_add, flow_loops_tree_build,
2216 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2217 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2218 Move here from flow.c
2219 * flow.c: Remove everything moved elsewhere
2220 * output.h (cleanup_cfg): Return bool.
2222 * bb-reorder.c (reorder_block_def): Remove 'index'.
2223 (insert_intra_1): Add argument BB, set block for new note.
2224 (make_reorder_chain): Do not depdent on BB indexes.
2225 (make_reorder_chain_1): Do not use BB indexes.
2226 (label_for_bb): Likewise; set BB for new insn.
2227 (emit_jump_to_block_after): Likewise.
2228 (fixup_reoder_chain): Sanity check that all basic blocks
2229 are chained; verify newly created insn chain; remove
2230 undocnitional jump simplifying; Do not use BB indexes;
2231 properly initialize count and frequency information;
2232 dump reordered sequence.
2233 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2234 (insert_inter_bb_scope_notes): Set block for new insn.
2235 (reorder_basic_blocks): Dump flow info before reoredering.
2237 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2239 * alias.c (clear_reg_alias_info): Use K&R format definition.
2240 Avoid unsigned warning.
2241 * builtins.c: Use "unsigned int", not "unsigned".
2242 (target_char_cast): Use host_integerp and tree_low_cst.
2243 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2244 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2245 (c_getstr): Likewise.
2246 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2247 (builtin_memcpy_read_str): Avoid unsigned warning.
2248 (expand_builtin_memcpy): Alignments are unsigned.
2249 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2250 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2251 * predict.c (expensive_function_p): LIMIT now unsigned.
2252 * resource.c (mark_target_live_regs): Make some vars unsigned.
2253 * sdbout.c: Use "unsigned int", not "unsigned".
2254 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2255 (sdbout_source_line): Likewise.
2256 (sdbout_record_type_name): Remove "const" for NAME declaration.
2257 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2259 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2261 * calls.c (store_one_arg): Expand comment.
2263 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2265 * calls.c (store_one_arg): Make sure that the entire argument is
2266 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2268 2001-09-09 Richard Henderson <rth@redhat.com>
2270 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2272 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2274 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2276 2001-09-09 Richard Henderson <rth@redhat.com>
2278 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2279 (alpha_this_literal_sequence_number): New.
2280 (alpha_this_gpdisp_sequence_number): New.
2281 (some_operand, input_operand): Add HIGH.
2282 (local_symbolic_operand): New.
2283 (alpha_encode_section_info): New.
2284 (alpha_legitimate_address_p): Allow LO_SUM.
2285 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2286 (alpha_expand_mov): Likewise.
2287 (secondary_reload_class): Check memory_operand not general_operand
2288 for FP_REGS test.
2289 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2290 (alpha_expand_unaligned_store): Likewise.
2291 (alpha_expand_unaligned_load_words): Likewise.
2292 (alpha_expand_unaligned_store_words): Likewise.
2293 (alpha_expand_block_clear): Likewise.
2294 (print_operand): Handle %#, %*, %H.
2295 (print_operand_address): Handle LO_SUM.
2296 (find_lo_sum): New.
2297 (alpha_does_function_need_gp): Use it.
2298 (alpha_expand_block_move): Fix signed compare warnings.
2299 (alpha_sa_mask, alpha_align_insns): Likewise.
2300 * config/alpha/alpha-protos.h: Update.
2301 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2302 (MASK_EXPLICIT_RELOCS): New.
2303 (TARGET_SWITCHES): Add -mexplicit-relocs.
2304 (EXTRA_CONSTRAINT): Add 'T'.
2305 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2306 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2307 (ENCODE_SECTION_INFO): Out line.
2308 (REDO_SECTION_INFO_P): New.
2309 (STRIP_NAME_ENCODING): New.
2310 (ASM_OUTPUT_LABELREF): New.
2311 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2312 (PREDICATE_CODES): Update.
2313 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2314 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2315 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2316 builtin_setjmp_receiver_er, exception_receiver_1_er,
2317 call_value_osf_1_er): New patterns.
2318 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2319 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2320 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2321 (FINAL_PRESCAN_INSN): New.
2323 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2325 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2327 2001-09-08 Andreas Jaeger <aj@suse.de>
2329 * i386.h (TARGET_SWITCHES): Fix description.
2331 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2333 * rs6000.c (num_insns_constant): Compute number of instructions
2334 more accurately.
2336 * doc/install.texi: Explain AIX exception handling work-around.
2337 Update URL for AIX fixes.
2339 2001-09-07 Jim Wilson <wilson@redhat.com>
2341 * alias.c (clear_reg_alias_info): New.
2342 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2343 * rtl.h (clear_reg_alias_info): Declare.
2345 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2347 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2348 available.
2349 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2350 (m16m,edivm,emulm): Change declaration to match definition.
2352 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2354 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2355 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2356 can be reloaded.
2358 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2360 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2361 which have no corresponding C type.
2362 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2363 the representation of 64-bit doubles to work with 64-bit ints.
2365 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2367 * config/mips/mips.c (override_options): Do not override ISA when ABI
2368 specified if MIPS_CPU_STRING_DEFAULT was specified.
2370 2001-09-07 Richard Henderson <rth@redhat.com>
2372 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2373 (express_from_1): Wrap lines.
2374 * rtlanal.c (commutative_operand_precedence): Rename from
2375 operand_preference; export.
2376 * rtl.h: Declare it.
2377 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2378 (simplify_binary_operation): Invoke simplify_plus_minus on
2379 (CONST (PLUS ...)) as well.
2380 (struct simplify_plus_minus_op_data): New.
2381 (simplify_plus_minus_op_data_cmp): New.
2382 (simplify_plus_minus): Use them. Avoid infinite recursion with
2383 simplify_binary_operation wrt CONST.
2385 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2387 * h8300-protos.h (general_operand_dst_push): Remove.
2388 * h8300.c (general_operand_dst_push): Likewise.
2389 * h8300.h (OK_FOR_T): Likewise.
2390 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2391 * h8300.md (pushqi_h8300): New.
2392 (pushqi_h8300hs): Likewise.
2393 (pushqi): Likewise.
2394 (pushhi_h8300): Likewise.
2395 (pushhi_h8300hs): Likewise.
2396 (pushhi): Likewise.
2398 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2400 * genattrtab.c (attr_printf): First arg is unsigned.
2401 Clean up formatting of callers.
2403 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2405 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2406 registers.
2408 2001-09-07 Andreas Jaeger <aj@suse.de>
2410 * i386.h (TARGET_SWITCHES): Fix descriptions.
2412 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2414 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2416 2001-09-06 Ira Ruben <ira@apple.com>
2418 Remove OP_IDENTIFIER.
2419 * tree.def (OP_IDENTIFIER): Remove.
2420 * tree.c (tree_node_kind enum): Remove op_id_kind.
2421 (tree_node_kind_names): Remove "op_identifiers".
2422 (make_node): Remove OP_IDENTIFIER test.
2423 (build_op_identifier): Removed because it isn't being used.
2424 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2425 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2427 2001-09-06 Richard Henderson <rth@redhat.com>
2429 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2431 2001-09-06 Richard Henderson <rth@redhat.com>
2433 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2434 of CONST.
2436 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2438 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2439 number used for CR register.
2441 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2442 Joern Rennecke (amylaar@cygnus.com)
2444 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2445 * h8300.c (initial_offset): Handle offset between RP and FP.
2446 (h8300_return_addr_rtx): New function.
2447 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2448 return register.
2449 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2450 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2451 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2452 (CAN_ELIMINATE, REGISTER_NAMES):
2453 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2455 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2457 Remove TYPE_NONCOPIED_PARTS.
2458 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2459 (struct tree_type): Remove noncopied_parts.
2460 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2461 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2462 (fixed_type_p): Remove.
2463 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2464 (expand_expr, MODIFY_EXPR): Likewise.
2465 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2466 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2468 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2470 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2471 compiler warnings.
2472 (mask64_operand): Likewise.
2473 (includes_rldic_lshift_p): Likewise.
2474 (includes_rldicr_lshift_p): Likewise.
2476 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2478 * objc/objc-act.c (build_message_expr): If a class method cannot
2479 be found, do not issue a warning if a corresponding instance
2480 method exists in the root class.
2482 2001-09-05 Richard Henderson <rth@redhat.com>
2484 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2486 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2488 * function.c (ggc_mark_struct_function): Mark f->outer.
2489 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2490 * integrate.c (output_inline_function): ... not here.
2492 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2494 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2496 * i386.c (size_cost): New static variable.
2497 (override_function): Use size_cost when -Os is specified.
2499 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2500 properly; Use current_function_calls_eh_return.
2501 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2502 use leave to avoid depdendancy chain.
2504 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2505 get BB loop_depth instead of computing it from LOOP notes.
2507 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2509 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2511 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2512 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2513 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2515 2001-09-05 Jeffrey A Law (law@cygnus.com)
2516 Jason Merrill (jason@redhat.com)
2518 * stor-layout.c (layout_type): Complain if an array's size can
2519 not be represented in a size_t.
2521 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2523 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2525 * gcc.c: (process_command) Add parentheses around assignment
2526 used as truth value.
2528 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2530 * config/mips/mips.c (save_restore_insns): Don't mark any register
2531 save slots as unchanging if current_function_calls_eh_return.
2533 2001-09-05 Richard Henderson <rth@redhat.com>
2535 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2536 * config/alpha/alpha-protos.h: Declare it.
2537 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2538 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2539 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2540 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2541 (REG_OK_FOR_BASE_P): Select one of the above.
2543 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2545 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2546 (crti.o): Prefix name of object file with $(T).
2547 (crtn.o): Likewise.
2549 2001-09-05 David S. Miller <davem@redhat.com>
2551 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2552 * config/sparc/linux64.h: Likewise.
2554 2001-09-05 Andreas Jaeger <aj@suse.de>
2556 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2557 available anymore, remove the documentation.
2558 (i386 Options): Fix typo, cleanup index entries.
2560 * prefix.c (concat): Remove, we can use the version from liberty.
2562 2001-09-05 Richard Henderson <rth@redhat.com>
2564 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2565 New functions split out of md file expanders.
2566 * config/alpha/alpha-protos.h: Declare them.
2567 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2569 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2571 * cppmacro.c (funlike_invocation_p): No need to restore context.
2573 2001-09-04 Richard Henderson <rth@redhat.com>
2575 * reload.c (push_reload): Export.
2576 * reload.h (push_reload): Declare it.
2578 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2579 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2580 * config/alpha/alpha.c (alpha_legitimize_address): New.
2581 (alpha_legitimize_reload_address): Likewise.
2582 * config/alpha/alpha-protos.h: Declare them.
2584 2001-09-04 Stan Shebs <shebs@apple.com>
2586 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2587 * config/darwin.c (machopic_stub_name): Account for internally
2588 generated lib calls such as memcpy.
2590 2001-09-04 Richard Henderson <rth@redhat.com>
2592 * unwind.h (_UA_END_OF_STACK): New flag.
2593 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2595 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2597 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2599 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2601 * config/mips/mips.c (save_restore_insns): Change base_offset to
2602 fp_offset in second call to mips_emit_frame_related_store.
2604 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2606 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2607 sometimes be represented as a NOTE of type
2608 NOTE_INSN_DELETED_LABEL.
2609 (Insns): Document NOTE_INSN_DELETED_LABEL.
2611 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2613 * c-common.h (tree_dump_index): Add more comments.
2614 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2615 (dump_option_value_info): New struct.
2616 (dump_options): New array.
2617 (dump_switch_p): Parse switch options symbolically.
2618 * doc/invoke.texi (-fdump-ast): Rename to ...
2619 (-fdump-tree): ... here. Document that options are symbolic, and
2620 not all are applicable.
2622 2001-09-04 David S. Miller <davem@redhat.com>
2624 * config/sparc/sparc.md (define_splits): Kill constraints.
2626 Cleanup redundant and unused insn attributes.
2627 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2628 binary, and move. Mark ialu as default.
2629 (commented out define_function_unit "alu"): Kill.
2630 (define_attr "use_clobbered"): Kill.
2631 (whole file): Kill address insn type references. Replace
2632 all unary/binary/move references with ialu.
2633 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2634 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2635 TYPE_IALU.
2637 Simplify length insn attribute and make more judicious use
2638 of insn attribute defaulting.
2639 * config/sparc/sparc.md (all insns with length > one): Mark as
2640 insn type multi if real instructions, else use default if
2641 it is a forced splitter.
2642 (all insns with length == one): Use default insn length.
2643 (all insns of type ialu): Use default insn type.
2645 Fix erroneous insn attribute settings.
2646 (addx): Set insn type to misc.
2647 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2648 const_umulsidi3_sp64): Set insn type to imul.
2650 Track SFmode vs DFmode insns according to UltraSPARC
2651 scheduling rules.
2652 * config/sparc/sparc.md ("fptype"): New attribute, default
2653 to "single".
2654 (all DFmode single insns): Mark as fptype "double".
2656 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2658 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2660 2001-09-03 Richard Henderson <rth@redhat.com>
2662 * function.h (struct function): Add arg_pointer_save_area_init.
2663 * function.c (expand_function_end): Init arg_pointer_save_area.
2664 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2665 when called from a nested function.
2667 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2669 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2670 is enabled.
2672 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2674 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2676 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2678 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2679 (emit_push_insn): Use specified padding direction when
2680 STACK_PUSH_CODE is POST_INC.
2682 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2684 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2686 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2688 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2690 * cppinit.c (cpp_start_read): Free the imacros list as we
2691 traverse it. Don't free the chains before returning.
2692 (_cpp_push_next_buffer): Only try pushing buffers if we've
2693 completed -imacros handling.
2695 2001-08-31 Eric Christopher <echristo@redhat.com>
2697 * gcc.c (handle_braces): Add explaination for abort.
2699 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2701 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2702 move adjustment of bitpos instead.
2704 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2706 * function.c: Remove all_functions. Make outer_function_chain
2707 static.
2708 (init_function_start): Don't add new function structure to
2709 all_functions.
2710 (find_function_data, push_function_context_to,
2711 pop_function_context_from, put_var_into_stack,
2712 trampoline_address): Update for changed structure element names.
2713 (push_function_context_to): Disentangle.
2714 (free_after_compilation): Also free F.
2715 (expand_dummy_function_end): Don't free cfun here.
2716 (put_var_into_stack): Comment why we can't use find_function_data here.
2717 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2718 (mark_function_chain): Split into maybe_mark_struct_function and
2719 ggc_mark_struct_function. Export the latter.
2720 (init_function_once): Mark from cfun and outer_function_chain;
2721 not all_functions.
2723 * function.h (struct function): Kill next_global. Rename next
2724 to outer. All users updated to match.
2725 (all_functions, outer_function_chain): Don't declare.
2727 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2728 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2729 don't touch f->inlinable, after calling rest_of_compilation.
2731 * tree.h: Forward-declare struct function. Prototype
2732 ggc_mark_struct_function.
2734 2001-08-31 Kazu Hirata <kazu@hxi.com>
2736 * config/h8300/h8300.md (*andorhi3): Fix typos.
2738 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2740 * calls.c (emit_library_call_value): Don't use a fixed
2741 argument after VA_CLOSE, i.e. out of scope in traditional C.
2743 * emit-rtl.c (gen_rtvec): Likewise.
2745 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * Makefile.in (c-pragma.o): Depend on output.h.
2748 (reorg.o): Depend on except.h.
2750 * c-pragma.c: Include output.h.
2752 * reorg.c: Include except.h.
2754 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2756 2001-08-31 Richard Henderson <rth@redhat.com>
2758 * sched-deps.c (add_dependence): Don't elide dependancy if the
2759 conditional used by insn is modified in elem.
2761 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2763 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2765 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2767 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2768 dump_switch_p.
2770 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2772 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2773 function.
2774 (stormy16_asm_out_constructor): New function.
2775 (TARGET_ASM_CONSTRUCTOR): Define.
2776 (TARGET_ASM_DESTRUCTOR): Define.
2778 2001-08-31 Andreas Jaeger <aj@suse.de>
2780 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2781 * loop.c (add_label_notes): Likewise.
2782 * reload.c (find_reloads): Likewise.
2783 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2785 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2787 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2788 code here. Take _Unwind_{W,Sw}ord*.
2789 (read_encoded_value_with_base): Use them.
2790 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2791 words.
2792 (extract_cie_info): Simplify read_?leb128 handling.
2793 (execute_stack_op, execute_cfa_program): Likewise.
2794 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2796 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2798 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2799 the frame pointer to pop the stack if convenient.
2801 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2802 Don't use post-increment before combine.
2803 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2804 a call-saved register.
2806 2001-08-31 Andreas Jaeger <aj@suse.de>
2808 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2809 code was correct.
2811 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2813 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2814 not DIV/MOD, of course.
2816 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2818 * rtl.def: Undo my patch commited 2001-08-27.
2820 * genattrtab.c: Ditto.
2822 * rtl.h: Ditto.
2824 * sched-int.h: Ditto.
2826 * target-def.h: Ditto.
2828 * target.h: Ditto.
2830 * haifa-sched.c: Ditto.
2832 * sched-rgn.c: Ditto.
2834 * sched-vis.c: Ditto.
2836 * Makefile.in: Ditto.
2838 * doc/md.texi: Ditto.
2840 * doc/tm.texi: Ditto.
2842 * doc/contrib.texi: Ditto.
2844 * doc/gcc.texi: Ditto.
2846 * genattrtab.h: Remove it.
2848 * genautomata.c: Remove it.
2850 * genattr.c: Undo my patch and Richard Henderson's patch commited
2851 2001-08-27.
2853 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2855 * config.gcc (h8300-*-elf*): New case.
2856 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2857 (SUBTARGET_CPP_SPEC): Define.
2858 (EXTRA_SPECS): Define.
2859 (SUBTARGET_EXTRA_SPECS): Define.
2860 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2861 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2863 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2865 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2866 (LIB2FUNCS_EXTRA): Define.
2867 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2868 config/h8300/fixunssfsi.c: New file.
2870 2001-08-30 Kazu Hirata <kazu@hxi.com>
2872 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2873 define_expand to accomodate target-specific attributes.
2874 (anonymous zero_extendqihi2 patterns): New.
2876 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2878 * h8300.md (*andorhi3): New pattern.
2880 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2882 * h8300.c (dosize): Fix test for "sub".
2884 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2886 * c-typeck.c (pointer_diff): Try to eliminate common term before
2887 doing conversions.
2889 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2891 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2892 Account for the saves of the FP registers.
2894 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2895 (TEXT_SECTION_ASM_OP): Define.
2896 (INIT_SECTION_ASM_OP): Define.
2897 (FINI_SECTION_ASM_OP): Define.
2898 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2899 (RDATA_SECTION_FUNCITON): Provide prototype.
2901 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2903 * reload1.c (move2add_note_store): Correct typo checking for
2904 argument pushes.
2906 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2908 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2909 note should not be considered outside the libcall block.
2911 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2913 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2915 2001-08-29 Kazu Hirata <kazu@hxi.com>
2917 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2919 2001-08-29 Kazu Hirata <kazu@hxi.com>
2921 * config/h8300/h8300-protos.h: Add a prototype for
2922 emit_logical_op.
2923 * config/h8300/h8300.c (emit_logical_op): New.
2924 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2925 (andsi3): Likewise.
2926 (iorhi3): Likewise.
2927 (iorsi3): Likewise.
2928 (xorhi3): Likewise.
2929 (xorsi3): Likewise.
2931 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2933 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2934 comparison with rtx INTVAL.
2935 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2936 expression.
2937 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2939 2001-08-29 Kazu Hirata <kazu@hxi.com>
2941 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2942 comment typos.
2944 2001-08-29 Kazu Hirata <kazu@hxi.com>
2946 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2947 (reg n) to (mem (pre_dec (reg n))
2948 (anonymous movsi pattern): Likewise.
2950 2001-08-29 Kazu Hirata <kazu@hxi.com>
2952 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2954 2001-08-29 Kazu Hirata <kazu@hxi.com>
2956 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2957 several special constants.
2959 2001-08-29 Kazu Hirata <kazu@hxi.com>
2961 * config/h8300/lib1funcs.asm: Fix comment typos.
2963 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2966 Fix format specifier warnings.
2968 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2969 inet_makeaddr, semctl): Prototype.
2971 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2972 (save_restore_insns): Use base_offset, not gp_offset.
2974 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2975 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2977 2001-08-29 Richard Henderson <rth@redhat.com>
2979 * bb-reorder.c (function_tail_eff_head): New.
2980 (record_effective_endpoints): Set it.
2981 (fixup_reorder_chain): Use it.
2983 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2987 2001-08-28 Dale Johannesen <dalej@apple.com>
2989 * config/darwin.c (machopic_function_base_name): Add const
2990 qualifier to a string.
2991 (darwin_encode_section_info): Ditto.
2993 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2995 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2996 function definition.
2998 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3000 * df.h (struct df): Add rts_order variable.
3002 * df.c (df_visit_next_rts): New function.
3003 (df_visit_next): Renamed to df_visit_next_rc
3004 (df_analyse_1): Allocate/compute/free rts_order as well.
3005 (df_rd_global_compute): Use df_visit_next_rc instead of
3006 df_visit_next.
3007 (df_ru_global_compute): Use df_visit_next_rts instead of
3008 df_visit_next.
3010 * flow.c (flow_reverse_top_sort_order_compute): New function.
3012 * basic-block.h: Add prototype.
3014 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
3016 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
3017 blocks, the BB_REACHABLE is now set, rather than aux being
3018 non-NULL. Update the test to reflect this.
3020 2001-08-28 Eric Christopher <echristo@redhat.com>
3022 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
3023 config/mips/crti.asm: Ditto.
3025 2001-08-28 Eric Christopher <echristo@redhat.com>
3026 Richard Henderson <rth@redhat.com>
3028 * c-pragma.h (add_weak): Move prototype from here...
3029 * output.h (add_weak): ... to here.
3030 * varasm.c (add_weak): Fix typo.
3031 * config/mips/crti.asm: New file.
3032 * config/mips/crtn.asm: Ditto.
3033 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
3034 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
3035 (INVOKE__main): Ditto.
3036 (INIT_SECTION_ASM_OP): New.
3037 (FINI_SECTION_ASM_OP): Ditto.
3038 (STARTFILE_SPEC): Add crti.
3039 (ENDFILE_SPEC): Add crtn.
3040 * config/mips/elf64.h: Same.
3041 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
3042 Remove.
3043 * config/mips/vxworks.h: Ditto.
3044 * config/mips/t-elf: Support crti and crtn.
3046 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
3048 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
3049 INSN_LIST.
3051 2001-08-28 Richard Henderson <rth@redhat.com>
3053 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
3054 (one_cmplbi2 splitter): Remove redundant test.
3056 2001-08-28 Dale Johannesen <dalej@apple.com>
3058 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
3060 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
3062 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
3064 2001-08-28 Stan Shebs <shebs@apple.com>
3066 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
3067 (UNALIGNED_SHORT_ASM_OP): Define.
3068 (UNALIGNED_INT_ASM_OP): Define.
3070 2001-08-28 Will Cohen <wcohen@redhat.com>
3072 * config/rs6000/rs6000.md (store_multiple): Correct RTL
3073 generation for first set.
3075 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3077 * flow.c (redirect_edge_succ_nodup): Return new edge.
3078 (try_simplify_condjump): Use new edge.
3079 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
3081 * cse.c (cse_basic_block): Skip note instructions.
3083 2001-08-27 Richard Henderson <rth@redhat.com>
3085 * combine.c (combine_simplify_rtx): Don't reverse condition
3086 if there is no reverse for the condition.
3087 (simplify_comparison): Don't simplify subregs from INT to FP.
3089 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
3090 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
3091 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
3092 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
3093 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
3094 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
3096 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3098 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
3099 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
3100 (pushqi1): New.
3101 (adddi_dilshr32, adddi_dishl32): Only data register can be
3102 source for mem destination.
3104 * expmed.c (store_bit_field): Ignore adjustment to bitpos
3105 and use bitnum to decide about register move.
3107 2001-08-27 Richard Henderson <rth@redhat.com>
3109 * genattr.c (main): Emit state_t even when not doing scheduling.
3111 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3112 Richard Henderson <rth@redhat.com>
3114 * gcse.c (reg_first_set, reg_last_set): Replace with ...
3115 (reg_avail_info, current_bb): ... these.
3116 (oprs_unchanged_p, record_last_reg_set_info): Use them.
3117 (compute_hash_table): Likewise.
3119 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
3121 * flow.c (verify_flow_info): Use checksums to verify edges.
3123 2001-08-27 Richard Henderson <rth@redhat.com>
3125 * genautomata.c (expand_automata): Always create a description.
3127 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3129 * optabs.c (expand_binop): Correctly handle the carry in multiword
3130 add/subtract operations.
3132 2001-08-27 Fred Fish <fnf@be.com>
3134 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
3135 __SIZE_TYPE__.
3137 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
3139 * reload.c (find_reloads_toplev): Back out this change:
3141 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3143 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3144 mem if the address is a mode_dependent_address_p.
3146 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
3148 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
3149 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
3150 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
3151 RTL constructions.
3153 * genattr.c (main): New variable num_insn_reservations. Increase
3154 it if there is DEFINE_INSN_RESERVATION. Output automaton based
3155 pipeline hazard recognizer interface.
3157 * genattrtab.h: New file.
3159 * genattrtab.c: Include genattrtab.h.
3160 (attr_printf, check_attr_test, make_internal_attr,
3161 make_numeric_value): Move protypes into genattrtab.h. Define them
3162 as external.
3163 (num_dfa_decls): New global variable.
3164 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
3165 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
3166 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
3167 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
3169 * genautomata.c: New file.
3171 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
3173 * sched-int.h: (curr_state): Add the external definition for
3174 automaton pipeline interface.
3175 (haifa_insn_data): Add comments for members blockage and units.
3177 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3178 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3179 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3180 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3181 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3182 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3183 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3184 macros.
3185 (TARGET_SCHED): Use the new macros.
3187 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3188 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3189 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3190 dfa_bubble): New members in gcc_target.sched.
3192 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3193 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3194 (insn_queue): Redefine it as pointer to array.
3195 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3196 INSN_QUEUE_SIZE.
3197 (max_insn_queue_index_macro_value): New variable.
3198 (curr_state, dfa_state_size, ready_try): New varaibles for
3199 automaton interface.
3200 (ready_element, ready_remove, max_issue): New function prototypes
3201 for automaton interface.
3202 (choose_ready): New function prototype.
3203 (insn_unit, blockage_range): Add comments.
3204 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3205 FUNCTION_UNITS_SIZE == 0.
3206 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3207 actual_hazard, potential_hazard): Add comments.
3208 (insn_cost): Use cost -1 as undefined value. Remove
3209 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3210 pipeline interface.
3211 (ready_element, ready_remove): New functions for automaton
3212 interface.
3213 (schedule_insn): Add new code for automaton pipeline interface.
3214 (queue_to_ready): Add new code for automaton pipeline interface.
3215 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3216 (debug_ready_list): Print newline when the queue is empty.
3217 (max_issue): New function for automaton pipeline interface.
3218 (choose_ready): New function.
3219 (schedule_block): Add new code for automaton pipeline interface.
3220 Print ready list before scheduling each insn.
3221 (sched_init): Add new code for automaton pipeline interface.
3222 Initiate insn cost by -1.
3223 (sched_finish): Free the current automaton state and finalize
3224 automaton pipeline interface.
3226 * sched-rgn.c: Include target.h.
3227 (init_ready_list, new_ready, debug_dependencies): Add new code for
3228 automaton pipeline interface.
3230 * sched-vis.c: Include target.h.
3231 (get_visual_tbl_length): Add code for automaton interface.
3232 (target_units, print_block_visualization): Add comments.
3234 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3235 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3236 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3237 (getruntime.o, genautomata.o): New entries.
3238 (genattrtab.o): Add new dependency file genattrtab.h.
3239 (genattrtab): Add new dependencies. Link it with `libm.a'.
3240 (getruntime.o, hashtab.o): New entries for canadian cross.
3242 * doc/md.texi: Description of automaton based model.
3244 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3245 Add comments.
3246 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3247 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3248 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3249 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3250 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3251 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3252 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3253 hook descriptions.
3254 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3255 MAX_DFA_ISSUE_RATE): New macro descriptions.
3257 * doc/contrib.texi: Add dfa based scheduler contribution.
3259 * doc/gcc.texi: Add more information about genattrtab.
3261 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3263 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3264 an RTL basic block.
3266 2001-08-27 Richard Henderson <rth@redhat.com>
3268 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3269 (get_arg_pointer_save_area): New. Create an init it here.
3270 (fix_lexical_addr): Use it.
3271 * function.h: Declare it.
3272 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3273 * stmt.c (expand_nl_goto_receiver): Use it.
3275 2001-08-27 Richard Henderson <rth@redhat.com>
3277 * final.c (final_scan_insn): Don't enter APP_ON mode for
3278 empty asm strings.
3280 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3281 alignment for assemble_integer for DW_EH_PE_aligned.
3282 * except.c (output_function_exception_table): Likewise.
3284 2001-08-26 Andreas Jaeger <aj@suse.de>
3286 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3288 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3290 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3292 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3294 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3295 bit-shifting loop.
3296 (mask64_operand): Likewise.
3297 (rldic_operand): Delete.
3298 (includes_lshift64_p): Delete.
3299 (includes_rldic_lshift_p): New function.
3300 (includes_rldicr_lshift_p): New function.
3301 (print_operand): Don't call rldic_operand in case 'W'.
3302 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3303 (includes_lshift64_p): Remove.
3304 (includes_rldic_lshift_p): Declare.
3305 (includes_rldicr_lshift_p): Declare.
3306 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3307 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3308 Replace match_operand rldic_operand predicate with
3309 const_int_operand. Replace includes_lshift64_p condition with
3310 includes_rldic_lshift_p.
3311 <ashldi3_internal 64 bit rldicr patterns>: New.
3313 2001-08-27 Andreas Jaeger <aj@suse.de>
3315 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3316 * errors.c: Likewise.
3317 * final.c: Likewise.
3318 * dwarf2asm.c: Likewise.
3319 * doprint.c (checkit): Likewise.
3320 * diagnostic.c: Likewise.
3321 * collect2.c: Likewise.
3322 * calls.c: Likewise.
3323 * c-semantics.c (build_stmt): Likewise.
3324 * c-format.c (status_warning): Likewise.
3325 * c-errors.c (pedwarn_c99): Likewise.
3326 * builtins.c (validate_arglist): Likewise.
3327 * config/pj/pj.c (pj_printf): Likewise.
3328 * fix-header.c: Likewise.
3329 * gcc.c: Likewise.
3330 * gcov.c (fnotice): Likewise.
3331 * gensupport.c (message_with_line): Likewise.
3332 * mips-tfile.c: Likewise.
3333 * protoize.c (notice): Likewise.
3334 * read-rtl.c (fatal_with_file_and_line): Likewise.
3335 * rtl-error.c: Likewise.
3336 * tradcpp.c: Likewise.
3337 * tree.c: Likewise.
3338 * cp/tree.c (build_min_nt): Likewise.
3339 (build_min): Likewise.
3340 * cp/lex.c: Likewise.
3341 * cp/errfn.c: Likewise.
3342 * cp/rtti.c (create_pseudo_type_info): Likewise.
3344 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3346 * df.c (df_uses_record): Return after recording all uses
3347 in ASM_OPERANDS.
3349 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3351 * df.c (df_insn_modify): Realloc the INSN table here, if
3352 necessary, here, too.
3354 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3356 * config/mips/mips.c (mips_function_value): Handle complex return
3357 values.
3359 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3361 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3362 unshared.
3363 * reload.c (make_memloc): Copy result if it is still
3364 reg_equiv_memory_loc[regno] on return.
3365 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3366 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3367 reg_equiv_mem are modified by the substitutions.
3369 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3371 * predict.c (expensive_function_p): New.
3372 * rtl.h (expensive_function_p): Declare.
3373 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3374 (use_fast_prologue_epilogue): New static variable.
3375 (expand_prologue): Set it; emit short prologues if unset.
3376 (expand_epilogue): Likewise.
3378 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3380 * config.gcc: Add stormy16-*-elf case.
3381 * config/stormy16/stormy-abi: New file.
3382 * config/stormy16/stormy16-lib2.c: New file.
3383 * config/stormy16/stormy16-protos.h: New file.
3384 * config/stormy16/stormy16.c: New file.
3385 * config/stormy16/stormy16.h: New file.
3386 * config/stormy16/stormy16.md: New file.
3387 * config/stormy16/t-stormy16: New file.
3389 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3391 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3393 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3395 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3396 descriptor members are pointer size, not constant 4.
3397 * config/rs6000/rs6000.md (define_splits): Remove more unused
3398 constraints.
3400 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3402 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3404 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3406 * cp/rtti.c (VPARAMS): Fix parameter.
3408 2001-08-24 Zack Weinberg <zackw@panix.com>
3410 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3411 to zero.
3412 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3413 to switch.
3414 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3415 in if controlling use of insv.
3416 (extract_bit_field): Likewise, for extv and extzv.
3418 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3420 * i386.md (movcc peep2): Fix load of 0.
3422 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3424 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3425 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3427 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3429 * c-pragma.h: Move weak_syms and weak_decls...
3430 * varasm.c: ...here. Now static.
3431 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3432 depend on HANDLE_PRAGMA_WEAK.
3434 * c-common.c (c_alignof, c_alignof_expr): Move here...
3435 * c-typeck.c: ...from here.
3436 * c-tree.h, c-common.h: Adjust.
3438 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3440 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3441 instead of incrementing it.
3443 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3444 asm ready, don't try to move them all into the same array element.
3446 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3448 * function.c (thread_prologue_and_epilogue_insns): Avoid
3449 fallthru flag on edge to exit.
3451 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3453 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3454 dead edges.
3456 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3458 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3459 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3460 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3461 Remove prototype.
3463 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3465 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3466 replace "GNU CC" with "GCC".
3468 2001-08-23 Richard Henderson <rth@redhat.com>
3470 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3471 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3472 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3473 Need GR between FR and not GR_AND_FR.
3474 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3475 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3476 AR regs before GR regs.
3477 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3478 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3479 (REGISTER_MOVE_COST): Update.
3480 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3482 2001-08-23 Richard Henderson <rth@redhat.com>
3484 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3485 a register class.
3487 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3489 * reload1.c (emit_reload_insns): Don't look for notes
3490 on a NULL store_insn.
3492 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3494 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3495 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3496 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3497 format specifier warnings.
3498 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3500 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3502 * config/i386/i386-protos.h: Correct declaration of
3503 i386_pe_asm_named_section.
3505 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3507 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3508 variable i.
3509 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3511 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * cpperror.c (print_location): Don't show _Pragma.
3514 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3515 and file change callback generation here.
3516 (stack_include_file): Update use of cpp_push_buffer.
3517 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3518 (struct cpp_buffer): Remove type, pfile members.
3519 * cppinit.c (cpp_handle_option): Use free_chain.
3520 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3521 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3522 a cpp_reader rather than a cpp_buffer.
3523 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3524 skip_line_comment, parse_string, lex_percent, lex_dot,
3525 _cpp_lex_token): Update accordingly.
3526 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3527 generation here.
3528 (cpp_push_buffer): Update prototype.
3529 (run_directive): Update use of cpp_push_buffer.
3530 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3531 handle_assertion): Update use of run_directive.
3532 * cpplib.h (enum cpp_buffer_type): Remove.
3533 (cpp_push_buffer): Update prototype.
3534 * fix-header.c (read_scan_file): Update.
3536 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3538 * gcc.c (struct prefix_list): Change prefix to const char *.
3540 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3542 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3544 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3546 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3547 from a new MEM.
3549 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3550 a squeezable note.
3551 * rtl.h: Adjust.
3552 * ifcvt.c (dead_or_predicable): Adjust.
3553 * loop.c (find_and_verify_loops): Adjust.
3554 * stmt.c (expand_end_case): Adjust.
3555 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3556 head and end insn pointers in the basic block, not just local copies.
3557 (merge_blocks_move_predecessor_nojumps): Likewise.
3559 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3561 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3562 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3563 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3564 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3565 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3566 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3567 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3568 conditions.h, config.gcc, configure.frag, configure.in,
3569 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3570 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3571 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3572 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3573 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3574 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3575 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3576 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3577 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3578 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3579 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3580 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3581 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3582 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3583 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3584 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3585 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3586 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3587 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3588 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3589 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3590 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3591 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3592 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3593 params.h, predict.c, predict.def, predict.h, prefix.c,
3594 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3595 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3596 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3597 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3598 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3599 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3600 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3601 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3602 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3603 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3604 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3605 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3606 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3607 xcoffout.h: replace "GNU CC" with "GCC".
3609 2001-08-21 Richard Henderson <rth@redhat.com>
3611 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3612 (final_scan_insn): Consider jump tables data even if we have no
3613 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3614 ADDR_VEC_ALIGN.
3615 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3616 (ASM_OUTPUT_CASE_END): Remove.
3617 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3618 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3619 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3621 2001-08-21 Richard Henderson <rth@redhat.com>
3623 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3624 at barrier insns. Emit stop bits before barriers.
3626 * flow.c (flow_find_cross_jump): Don't consider unconditional
3627 return insns for commoning.
3629 * final.c (compute_alignments): Fix typo.
3631 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3632 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3633 (store_bit_field): Use mode_for_extraction more places.
3634 (extract_bit_field): Likewise.
3636 2001-08-21 Zack Weinberg <zackw@panix.com>
3638 * caller-save.c: Don't include insn-codes.h.
3639 (reg_save_code, reg_restore_code): Make arrays of int.
3640 All uses updated to match.
3641 (insert_save, insert_restore): No need to initialize "code"
3642 variable upon declaration.
3643 * Makefile.in: update dependencies; fix typo in clean rule.
3645 2001-08-21 Richard Henderson <rth@redhat.com>
3647 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3648 (merge_if_block): Handle fallout from same.
3650 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3652 * builtins.c (type_to_class): Fix typo in last change.
3654 2001-08-21 Richard Henderson <rth@redhat.com>
3656 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3657 ia64_asm_output_label.
3659 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3660 copy of gp while the real gp register contains garbage.
3662 2001-08-21 Zack Weinberg <zackw@panix.com>
3664 * expmed.c (mode_for_extraction): New function.
3665 (store_bit_field, extract_bit_field): Use it.
3666 * expr.h: Prototype it and provide an enum for its first argument.
3668 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3669 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3670 and digging through the insn_data tables.
3671 * Makefile.in: Update dependencies.
3673 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3675 * cppfiles.c (stack_include_file): line-map.c now handles include
3676 depth.
3677 (handle_missing_handler): Similarly.
3678 (_cpp_execute_include): Similarly.
3679 (_cpp_pop_file_buffer): Similarly.
3680 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3681 buffer_stack_depth and include_depth.
3682 * cpplib.c (do_include_common): line-map.c now handles include depth.
3683 (cpp_push_buffer): Similarly.
3684 (_cpp_pop_buffer): Similarly.
3685 * cppmacro.c (builtin_macro): Update.
3686 * line-map.c (init_line_maps): Set depth.
3687 (add_line_map): Increment "used" earlier. Update and use the
3688 include depth.
3689 (trace_include): Use the include depth.
3690 * line-map.h (struct line_maps): New member depth.
3692 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3694 * cppfiles.c (stack_include_file): Don't handle -H here.
3695 * cppinit.c (cpp_start_read): Set include tracing after
3696 cpp_post_options and after stacking the main file.
3697 * line-map.c (trace_include): New.
3698 (init_line_maps, add_line_map): Update.
3699 * line-map.h (struct line_maps): New member trace_includes.
3701 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3703 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3704 * cppfiles.c (stack_include_file): Only stack a file if there
3705 is something to do. Return a boolean indicating whether a
3706 buffer was stacked or not.
3707 (_cpp_execute_include): Similarly.
3708 (_cpp_read_file): Similarly.
3709 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3711 2001-08-21 Sam Steingold <sds@gnu.org>
3713 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3714 (RECACHE): keep obufp_before_macroname up to date
3716 2001-08-21 Zack Weinberg <zackw@panix.com>
3718 * stmt.c: Don't include insn-codes.h.
3719 (expand_end_case): Machine specific logic moved to expr.c.
3720 No need to worry about __builtin_classify_type.
3721 (check_for_full_enumeration_handling, emit_case_nodes):
3722 Kill #if 0 blocks.
3724 * builtins.o (expand_builtin_classify_type): Split up so code
3725 can be shared with fold_builtin_classify_type.
3726 (type_to_class, fold_builtin_classify_type): New functions.
3727 (fold_builtins): Handle __builtin_classify_type.
3729 * expr.c (do_tablejump): Now static.
3730 (case_values_threshold, try_casesi, try_tablejump): New;
3731 code mostly from stmt.c (expand_end_case).
3732 (expr.h): Update prototypes.
3734 * Makefile.in (stmt.o): Update dependencies.
3736 2001-08-21 Will Cohen <wcohen@redhat.com>
3738 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3739 declaration of variable i.
3740 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3741 declaration of variable i.
3743 2001-08-21 Richard Henderson <rth@redhat.com>
3745 * crtstuff.c: Fix thinko last change. Move list tails to start
3746 of CRT_END section. Tidy ifdefs.
3747 (__EH_FRAME_BEGIN__): Always static for ELF.
3748 (__do_global_ctors_1): Rename from __frame_dummy.
3749 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3750 name change; don't hide __EH_FRAME_BEGIN__.
3752 2001-08-21 Richard Henderson <rth@redhat.com>
3754 * gdbinit.in: Move break on exit after break on fancy_abort.
3756 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3757 sized types.
3759 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3761 * cpphash.h (_cpp_push_next_buffer): New.
3762 * cppinit.c (do_includes): Remove.
3763 (push_include, free_chain, _cpp_push_next_buffer): New.
3764 (cpp_start_read): Use them to rework command line option handling.
3765 (cpp_handle_option): Combine handling of -include and -imacros.
3766 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3767 appropriate. Always insert missing \n at EOF.
3768 * cpplib.c (start_directive): Get the directive position right.
3769 * cppmain.c (cb_file_change): Always print the first line, unless
3770 preprocessed.
3772 2001-08-20 Andreas Jaeger <aj@suse.de>
3774 * profile.c (compute_branch_probabilities): Remove extra new-line
3775 in error message.
3776 * flow.c (verify_flow_info): Likewise.
3778 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3780 * basic-block.h (basic_block): Add new field 'flags'.
3781 (BB_REACHABLE): Define.
3782 (expunge_block): Declare.
3783 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3784 (EXIT_BLOCK_PTR): Ditto.
3785 (expunge_block): Remove static declaration.
3786 (cleanup_cfg): Clear bb->aux on every basic block.
3787 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3788 computing reachability.
3789 (delete_unreachable_blocks): Delete block b if b->flags has
3790 BB_REACHABLE unset.
3792 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3794 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3796 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 * sparc.c (sparc_variable_issue): Fix typo in last change.
3800 2001-08-20 Richard Henderson <rth@redhat.com>
3802 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3804 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3806 * pa.h (RETURN_IN_MEMORY): Improve comment.
3808 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3810 * doc/invoke.texi (Profiling options): Clarify the interactions
3811 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3813 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3815 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3816 command.
3818 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3820 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3821 buffer.
3823 2001-08-20 Richard Henderson <rth@redhat.com>
3825 * final.c (end_final): Fix typo last change.
3827 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3829 * cppinit.c (init_standard_includes): The returned buffer
3830 is already malloc-ed.
3831 * gcc.c (add_prefix): Similarly.
3832 * prefix.c (translate_name): Update to support clear buffer
3833 ownership rules.
3834 (update_path): Similarly. Be sure to free any newly allocated
3835 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3836 (tr): New function.
3837 * prefix.h (update_path): Update prototype and document.
3838 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3839 up and update to new buffer ownership rules.
3840 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3842 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3844 * final.c (compute_alignments): New function.
3845 (init_insn_lengths): Do not care label_align.
3846 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3847 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3848 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3849 (shorted_branches): Realloc label_align array; do
3850 not call init_insn_lengths; Do not care about loop alignments.
3851 * output.h (compute_alignments): Declare.
3852 * toplev.c (rest_of_compilation): Call compute_alignments.
3853 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3855 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3856 change visited to tovisit.
3857 (propagate_freq): Use faster traversing algorithm.
3858 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3859 to tovisit; reverse meaning.
3861 * predict.c (struct block_info_def): Remove nvisited.
3862 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3863 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3865 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3867 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3868 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3869 (TARGET_FUSED_MADD): New.
3870 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3871 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3872 the multiply-add instructions.
3874 2001-08-19 Richard Henderson <rth@redhat.com>
3876 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3877 is aligned to pointer size.
3879 2001-08-19 Richard Henderson <rth@redhat.com>
3881 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3882 display markers during final schedule.
3884 2001-08-19 Richard Henderson <rth@redhat.com>
3886 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3888 2001-08-19 Richard Henderson <rth@redhat.com>
3890 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3891 in the same string.
3892 (ASM_NAME_TO_STRING): Remove.
3893 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3894 in the same string. Remove support for expressions.
3896 2001-08-19 Richard Henderson <rth@redhat.com>
3898 * config/i386/i386.md (tablejump): Make an expander; handle
3899 pic relative addressing here.
3900 (tablejump_1): Rename from tablejump_pic.
3901 (casesi): Remove.
3903 2001-08-19 Richard Henderson <rth@redhat.com>
3905 * regclass.c (fix_register): Fix typo.
3907 2001-08-18 Richard Henderson <rth@redhat.com>
3909 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3910 (struct _Unwind_Context): Expand br_loc to hold it.
3911 (uw_frame_state_for): Handle leaf functions better.
3912 (uw_update_reg_address): Update for br_loc change.
3914 2001-08-18 Richard Henderson <rth@redhat.com>
3916 * crtstuff.c: Move list heads before code that uses them.
3917 (__JCR_LIST__): Remove initial null.
3918 (frame_dummy, __frame_dummy): Do java registration here ...
3919 (__do_global_ctors_aux): ... not here.
3921 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3922 (__do_global_dtors_aux): Update to match.
3923 (__JCR_LIST__, __do_jv_register_classes): New.
3924 (.init): Call it.
3925 * config/ia64/crtend.asm (__JCR_END__): New.
3926 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3927 instead of an indirect LTOFF22 reloc.
3929 2001-08-18 Richard Henderson <rth@redhat.com>
3931 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3932 * regclass.c (init_reg_sets_1): Fix typo.
3933 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3934 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3935 (ia64_compute_frame_size): Make ar.unat live when in use.
3936 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3937 for ar.pfs; remove ar.unat handling.
3938 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3939 call-saved.
3940 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3941 * config/ia64/ia64-protos.h: Update decls.
3942 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3943 (sibcall_pic): Likewise.
3945 2001-08-18 Richard Henderson <rth@redhat.com>
3947 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3948 pred_rel_mutex when searching for insn_group_barrier.
3949 * config/ia64/ia64.md (cycle_display): Combine the expander
3950 and insn patterns.
3952 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3953 bit before asm as needed.
3955 2001-08-18 Richard Henderson <rth@redhat.com>
3957 * timevar.def (TV_MACH_DEP): New.
3958 * toplev.c (rest_of_compilation): Use it.
3959 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3961 2001-08-18 Zack Weinberg <zackw@panix.com>
3963 * unwind-dw2.c (execute_stack_op): Add default aborts to
3964 the inner switches to prevent warnings.
3966 2001-08-18 Richard Henderson <rth@redhat.com>
3968 * timevar.h (struct timevar_time_def): Change element type to float.
3969 (ticks_to_msec, clocks_to_msec): Likewise.
3970 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3971 (get_time): Likewise.
3972 (timevar_print): Adjust zero check and printing to match.
3974 2001-08-18 Zack Weinberg <zackw@panix.com>
3976 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3977 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3978 Eliminate overfull or underfull hboxes.
3980 2001-08-18 Zack Weinberg <zackw@panix.com>
3982 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3984 2001-08-18 Zack Weinberg <zackw@panix.com>
3986 * haifa-sched.c: Convert to target hooks. Macros replaced
3987 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3988 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3989 MD_SCHED_FINISH, and HAVE_cycle_display.
3990 * target-def.h (TARGET_SCHED_ADJUST_COST,
3991 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3992 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3993 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3994 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3995 New hook #defines to be overridden.
3996 (TARGET_SCHED): Bring them all together.
3997 (TARGET_INITIALIZER): Update.
3998 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3999 instead of 'struct rtx_def *' throughout.
4000 (struct sched): New set of hooks for the scheduler.
4001 * Makefile.in (haifa-sched.o): Depend on target.h.
4002 * doc/tm.texi: Document the new scheduler hooks, together in
4003 their own section, instead of scattered around.
4004 Fix a bunch of underfull/overfull hboxes.
4006 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
4007 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
4008 sparc.h: Don't define any of the old scheduler macros.
4010 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
4011 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
4012 sparc.c: Create hook functions from code extracted from
4013 corresponding target header, or make existing hooks static, as
4014 appropriate. Set the appropriate entries in targetm.
4016 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
4017 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
4018 rs6000-protos.h, s390-protos.h, sparc-protos.h:
4019 Remove prototypes for functions which are now static.
4021 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
4022 related gunk; the Haifa scheduler is now the only choice.
4024 2001-08-18 Zack Weinberg <zackw@panix.com>
4026 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
4027 * genopinit.c: Put floating point divide insns in sdiv_optab.
4028 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
4029 * config/gofast.h, config/c4x/c4x.h,
4030 config/ia64/hpux_longdouble.h, config/mips/mips.h,
4031 config/pa/long_double.h, config/rs6000/sysv4.h,
4032 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
4033 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
4034 (init_optabs): Use init_optabv for overflow-trapping optabs.
4035 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
4036 cmp_optab RTX codes so have_insn_for can find them.
4038 * optabs.c (expand_simple_binop, expand_simple_unop,
4039 have_insn_for, gen_sub3_insn): New interfaces.
4040 * expr.h: Prototype new functions.
4041 (enum optab_methods): Move here from optabs.h.
4043 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
4044 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
4045 Use new functions instead of working directly with optabs.
4046 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
4047 unroll.c: Don't include optabs.h.
4048 * caller-save.c, combine.c, function.c, stmt.c: Just include
4049 insn-codes.h, not optabs.h.
4050 * Makefile.in: Update dependencies.
4052 * combine.c (make_compound_operation, simplify_comparison):
4053 Fix typos testing for this or that instruction.
4055 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4057 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
4058 generating libgcc.a.
4060 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4062 * except.c (TYPE_HASH): Delete.
4064 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
4065 HOST_WIDE_INT.
4067 * tree.c (TYPE_HASH): Delete.
4069 * tree.h (TYPE_HASH): Define.
4071 2001-08-18 Graham Stott <grahams@redhat.com>
4073 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
4074 define_split.
4075 (adddi3_internal_2+2): Likewise.
4076 (eh_set_lr_di+1): Likewise.
4078 2001-08-17 Richard Henderson <rth@redhat.com>
4080 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4081 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
4082 * dwarf2asm.c: ... here.
4083 * dwarfout.c: Remove them.
4085 * varasm.c (assemble_integer): Add align parameter.
4086 (assemble_real, output_constant, output_constructor): Likewise.
4087 * output.h: Update decls.
4088 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
4089 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
4090 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
4091 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
4092 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
4093 Update all callers.
4095 * final.c (end_final): Abort profile block generation if we
4096 havn't layed it out properly.
4097 * output.h (assemble_eh_integer): Remove stale decl.
4098 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
4099 (min_align): New.
4100 (assemble_integer): Handle unaligned data.
4101 (assemble_real): Abort on unaligned data.
4102 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
4103 anything useful.
4104 (default_dtor_section_asm_out_destructor): Use assemble_align.
4105 (default_named_section_asm_out_constructor): Likewise.
4106 (default_ctor_section_asm_out_constructor): Likewise.
4107 * config/darwin.c (machopic_asm_out_constructor): Likewise.
4108 (machopic_asm_out_destructor): Likewise.
4109 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
4110 (nextstep_asm_out_destructor): Likewise.
4111 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
4112 (vms_asm_out_destructor): Likewise.
4114 2001-08-17 Richard Henderson <rth@redhat.com>
4116 * config/mips/iris6.h (TARGET_IRIX6): New.
4117 (current_section_name, current_section_flags): New.
4118 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
4119 (MAX_OFILE_ALIGNMENT): New.
4120 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
4121 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
4122 (copy_file_data): Split out from
4123 (mips_asm_file_end): ... here.
4124 (mips_asm_file_start): Remove extra .section directive. Use
4125 tmpfile instead of mips_make_temp_file.
4126 (mips_unique_section): Use const char * as needed for warnings.
4127 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
4128 re-add align parameter.
4129 (iris6_asm_named_section): New.
4130 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
4131 (iris6_asm_output_align, iris6_section_align_1): New.
4132 (iris6_asm_file_start, iris6_asm_file_end): New.
4133 * config/mips/mips-protos.h: Update decls.
4135 2001-08-17 Janis Johnson <janis187@us.ibm.com>
4137 * doc/install.texi (Install GCC): Add links to build status pages.
4138 (Specific): Ditto.
4139 (Final install): Ditto; request updates for specific info
4141 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
4143 * cpperror.c (print_location): Don't take a file name; use the
4144 line map instead.
4145 (_cpp_begin_message): Similarly.
4146 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
4147 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
4148 (cpp_pedwarn_with_file_and_line): Remove.
4149 * cppfiles.c (stack_include_file): Update; set filename to stdin
4150 here when appropriate.
4151 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
4152 (_cpp_begin_message): Don't take a file name.
4153 * cppinit.c: Add comment.
4154 * cpplex.c: Fix end-of-directive indicator.
4155 * cpplib.c: Don't include intl.h.
4156 (run_directive, do_diagnostic): Update.
4157 (do_line): Update to not use nominal_fname.
4158 (cpp_push_buffer): Don't take a filename.
4159 * cpplib.h (struct ht): Remove.
4160 (cpp_push_buffer): Don't take a filename.
4161 (cpp_pedwarn_with_file_and_line): Remove.
4162 * cppmacro.c (struct cpp_macro): Remove file.
4163 (builtin_macro): Update.
4164 (_cpp_create_definition): Update.
4165 * cppmain.c: Correct comment.
4166 * fix-header.c (read_scan_file): Update.
4168 2001-08-17 Kazu Hirata <kazu@hxi.com>
4170 * sbitmap.c: Fix comment formatting.
4171 * sched-deps.c: Likewise.
4172 * sibcall.c: Likewise.
4173 * simplify-rtx.c: Likewise.
4174 * ssa.c: Likewise.
4175 * ssa-ccp.c: Likewise.
4176 * stor-layout.c: Likewise.
4177 * timevar.c: Likewise.
4178 * toplev.c: Likewise.
4179 * unwind-dw2.c: Likewise.
4180 * unwind-dw2-fde.c: Likewise.
4181 * varasm.c: Likewise.
4183 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4185 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4186 or larger than an integer in memory.
4188 2001-08-17 Zack Weinberg <zackw@panix.com>
4190 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4191 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4192 * rtl.h: Don't forward-declare union tree_node here. Don't
4193 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4194 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4195 and tree respectively.
4196 * tree.h: Don't forward-declare struct rtx_def here. Don't
4197 typedef tree here. Change all uses of struct rtx_def *,
4198 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4199 and tree respectively.
4201 2001-08-17 Richard Henderson <rth@redhat.com>
4203 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4204 config/mips/openbsd.h: Fix typos last change.
4206 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4208 * doc/invoke.texi (Optimize Options): The default for
4209 -finline-limit is 600.
4211 2001-08-17 Richard Henderson <rth@redhat.com>
4213 * varasm.c (text_section): Allow TEXT_SECTION to override the
4214 printing of TEXT_SECTION_ASM_OP.
4215 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4216 (DATA_SECTION, BSS_SECTION): Remove.
4217 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4218 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4219 Rename from s/_NAME//.
4220 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4221 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4222 (TEXT_SECTION): ... here. New.
4223 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4224 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4225 * config/mips/openbsd.h: Likewise.
4226 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4227 (mips_asm_file_end): Likewise test.
4228 (mips_output_function_epilogue): Likewise. Switch back to data
4229 section after emitting the function.
4231 * doc/tm.texi (Sections): Document TEXT_SECTION.
4233 2001-08-17 Richard Henderson <rth@redhat.com>
4235 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4236 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4238 2001-08-17 Richard Henderson <rth@redhat.com>
4240 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4241 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4242 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4243 Add aligned attribute.
4245 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4247 * config/sh/sh.md: Add modes to unspecs in first insn to match
4248 those in the second.
4250 * Makefile.in: Fix collect2 copy for Cygwin.
4252 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4254 Install the proper patch.
4255 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4256 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4257 (expand_function_start): Likewise.
4258 * stmt.c (expand_decl): Likewise.
4259 * varasm.c (make_decl_rtx): Likewise.
4261 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4263 * final.c: Undo my previous accidental checkin.
4264 * output.h: Likewise.
4265 * tm.texi: Likewise.
4267 2001-08-16 Richard Henderson <rth@redhat.com>
4269 * varasm.c (named_section_flags): Remove align parameter.
4270 * varasm.c, dwarf2out.c: Update all callers.
4271 * output.h: Update prototypes.
4273 * target.h (target.asm_out.named_section): Remove align parameter.
4274 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4275 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4276 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4277 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4278 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4280 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4281 (get_named_section_flags, set_named_section_flags): New.
4282 (named_section_flags): Use them.
4283 (named_section): Do decl vs section flags check here...
4284 (default_section_type_flags): ... not here.
4285 (init_varasm_once): Create in_named_htab.
4286 (resolve_unique_section): Mark reloc unused.
4288 2001-08-16 Richard Henderson <rth@redhat.com>
4290 * varasm.c (force_const_mem): Keep pool alignment in bits.
4291 (output_constant_pool): Use assemble_align.
4293 2001-08-16 Zack Weinberg <zackw@panix.com>
4295 * doc/tm.texi: Remove extra @table command.
4297 2001-08-16 Zack Weinberg <zackw@panix.com>
4299 * final.c (shorten_branches): Clear the end of the label_align
4300 array only if we made it larger. Break up messy expressions
4301 for clarity.
4303 * diagnostic.c (internal_error): Check for error recursion
4304 before doing ICE suppression.
4306 * timevar.c: Timing variables now count in milliseconds.
4307 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4308 (get_time): Not here.
4309 (timevar_print): Don't print any timer whose user, cpu, and
4310 wall times are all zero as displayed.
4311 * timevar.h: Update comment aboout units. Make timevar
4312 counters unsigned.
4314 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4316 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4317 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4318 (expand_function_start): Likewise.
4319 * stmt.c (expand_decl): Likewise.
4320 * varasm.c (make_decl_rtx): Likewise.
4322 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4324 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4325 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4327 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4329 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4330 variables.
4332 2001-08-16 Andreas Jaeger <aj@suse.de>
4334 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4335 prototype.
4337 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4339 * rtl.h (only_sets_cc0_p): New prototype.
4340 * jump.c (sets_cc0_p): Handle INSN.
4341 (only_sets_cc0_p): New function.
4342 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4343 (tidy_fallthru_edge): Likewise.
4344 * integrate.c (copy_insn_list): Likewise.
4345 * unroll.c (unroll_loop): Likewise.
4346 (copy_loop_body): Likewise.
4348 2001-08-15 Jason Eckhardt <jle@redhat.com>
4350 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4352 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4354 * predict.c (struct block_info_def): Remove nvisited.
4355 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4356 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4358 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4359 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4360 be masked.
4362 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4364 * predict.def: Update hitrates.
4366 2001-08-15 Richard Henderson <rth@redhat.com>
4368 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4370 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4372 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4373 note from its associated jump.
4375 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4377 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4378 also on 64-bit s390x targets.
4380 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4382 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4383 function.
4384 (arm_expand_prologue): Handled nested functions which take a
4385 variable argument list.
4386 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4387 macro with an invocation of
4388 arm_compute_initial_elimination_offset.
4389 * config/arm/arm-protos.h: Prototype
4390 arm_compute_initial_elimination_offset.
4392 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4394 * doc/install.texi (Specific, avr): Fix markup.
4395 (Specific, c4x): Ditto.
4397 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4399 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4401 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4403 * Makefile.in (OBJS): Add rtl-error.o
4404 (rtl-error.o): New rule.
4405 (diagnostic.o): Adjust dependency.
4406 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4407 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4408 warning_for_asm): Move to...
4409 rtl-error.c: ...here. New file.
4411 2001-08-14 Richard Henderson <rth@redhat.com>
4413 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4414 if USING_SJLJ_EXCEPTIONS.
4416 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4418 * tlink.c (scan_linker_output): Check string for unsatisfied in
4419 addition to undefined and unresolved.
4421 2001-08-14 Graham Stott <grahams@redhat.com>
4423 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4424 EH_FRAME_SECTION_NAME.
4426 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4428 * genattrtab.c (simplify_test_exp_in_temp): New function.
4429 (simplify_test_exp): Avoid explicit use of temporary obstack.
4430 (simplify_cond, insert_right_side, evaluate_eq_attr,
4431 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4432 Use simplify_test_exp_in_temp.
4433 (optimize_attrs): Iterate until expression stabilizes.
4435 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4437 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4438 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4440 2001-08-13 Richard Henderson <rth@redhat.com>
4442 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4443 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4444 * config/arm/conix-elf.h: Likewise.
4446 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4448 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4449 in gcc.c.
4450 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4452 * gcse.c (hash_scan_set): Expressions that are set as part of
4453 jump instructions are not available.
4455 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4457 * config/s390/s390.c (print_operand, s390_function_prologue,
4458 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4460 2001-08-13 Richard Henderson <rth@redhat.com>
4462 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4463 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4464 * doc/tm.texi (Exception Region Output): Document it.
4466 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4468 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4469 DWARF2 instead of stabs by default.
4471 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4473 * config/rs6000/rs6000.c: Include optabs.h.
4475 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4477 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4478 save/restore routines.
4479 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4481 2001-08-13 Andreas Jaeger <aj@suse.de>
4483 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4484 the english is correct.
4486 2001-08-13 Zack Weinberg <zackw@panix.com>
4488 * expr.h: Split out optab- and libfunc-related code to...
4489 * optabs.h, libfuncs.h: ... these new headers.
4491 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4492 (OPTABS_H): New.
4493 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4494 dependencies.
4495 * mkconfig.sh: Don't include insn-codes.h from config.h.
4497 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4498 enum insn_code is available. Move reload_in_optab and
4499 reload_out_optab array declarations to optabs.h.
4500 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4501 there, prototype in expr.h.
4502 * gencodes.c: Cleanup: zap global variables, don't use
4503 printf where puts will do, don't bother defining MAX_INSN_CODE
4504 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4506 * genemit.c, genopinit.c: Include optabs.h in generated file.
4507 * genoutput.c: Include insn-codes.h in generated file.
4508 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4509 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4510 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4511 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4512 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4513 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4514 Include optabs.h.
4515 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4516 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4517 config/m88k/m88k.c, config/sparc/sparc.c:
4518 Include libfuncs.h.
4519 * reload.c: Include expr.h and optabs.h before reload.h.
4520 * config/alpha/alpha.c: Include tree.h before reload.h.
4521 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4522 and reload.h in that order.
4523 * config/sparc/sparc.c: Include debug.h.
4524 * recog.c: Include insn-codes.h.
4526 2001-08-13 Andreas Jaeger <aj@suse.de>
4528 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4529 s390*linux.
4531 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4533 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4534 * gcc.c (init_spec): Fix typo in comment.
4535 * varasm.c (data_section): Fix typo in comment.
4537 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4539 * predict.c (dump_prediction): New argument "USED".
4540 (combine_predictions_for_insn): Determine the used heuristics,
4541 output the case no heuristic applied.
4542 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4544 2001-08-13 Andreas Jaeger <aj@suse.de>
4546 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4547 register %rip.
4549 2001-08-13 Kazu Hirata <kazu@hxi.com>
4551 * jump.c: Fix formatting.
4553 2001-08-13 Kazu Hirata <kazu@hxi.com>
4555 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4556 length.
4558 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4560 * loop.c (check_dbra_loop): Use condjump_label to compute
4561 jump_label.
4563 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4564 to better document the files they're in.
4566 2001-08-12 Zack Weinberg <zackw@panix.com>
4568 * recog.h (struct insn_operand_data): Shrink 'mode' field
4569 to 16 bits.
4571 2001-08-12 Kazu Hirata <kazu@hxi.com>
4573 * gcc.c: Fix comment formatting.
4574 * gccspec.c: Likewise.
4575 * gcov.c: Likewise.
4576 * gcse.c: Likewise.
4577 * genemit.c: Likewise.
4578 * gengenrtl.c: Likewise.
4579 * genrecog.c: Likewise.
4580 * gensupport.c: Likewise.
4581 * ggc-page.c: Likewise.
4582 * global.c: Likewise.
4583 * graph.c: Likewise.
4584 * ifcvt.c: Likewise.
4585 * integrate.c: Likewise.
4586 * lcm.c: Likewise.
4587 * libgcc2.c: Likewise.
4588 * loop.c: Likewise.
4589 * mbchar.c: Likewise.
4590 * optabs.c: Likewise.
4591 * predict.c: Likewise.
4592 * prefix.c: Likewise.
4593 * profile.c: Likewise.
4594 * protoize.c: Likewise.
4595 * real.c: Likewise.
4596 * recog.c: Likewise.
4597 * regclass.c: Likewise.
4598 * regmove.c: Likewise.
4599 * reg-stack.c: Likewise.
4600 * reload1.c: Likewise.
4601 * resource.c: Likewise.
4602 * rtlanal.c: Likewise.
4603 * rtl.c: Likewise.
4605 2001-08-12 Kazu Hirata <kazu@hxi.com>
4607 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4608 a tree representing a constant is passed to the macro.
4610 2001-08-12 Richard Henderson <rth@redhat.com>
4612 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4613 (rs6000_elf_asm_out_destructor): New.
4614 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4615 (DTORS_SECTION_ASM_OP): Remove.
4616 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4617 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4619 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4621 Revert:
4622 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4623 * gcc.c (set_collect_gcc_options): New function, split out from
4624 main.
4625 Ignore elided switches.
4626 (do_spec_1): Invoke before executing command.
4627 (set_input): Export.
4628 Move declaration ...
4629 * gcc.h (set_input): ... here.
4630 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4631 file.
4633 2001-08-12 Richard Henderson <rth@redhat.com>
4635 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4636 thinko wrt TARGET_RELOCATABLE.
4638 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4640 * fix-header.c (cb_file_change): Update prototype.
4642 2001-08-11 Zack Weinberg <zackw@panix.com>
4644 * toplev.c (set_float_handler): Make static.
4645 * toplev.h: Don't prototype set_float_handler.
4647 * simplify-rtx.c: Don't include setjmp.h.
4648 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4649 New functions.
4650 (simplify_unary_operation, simplify_binary_operation): Use them,
4651 via do_float_handler.
4653 * fold-const.c: Don't include setjmp.h.
4654 (exact_real_inverse_1): New function.
4655 (exact_real_inverse): Use it, via do_float_handler.
4657 * varasm.c: Don't include setjmp.h.
4658 (assemble_real_1): New function.
4659 (assemble_real): Use it, via do_float_handler.
4660 Call internal_error if we get a trap here.
4662 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4663 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4665 2001-08-11 Zack Weinberg <zackw@panix.com>
4667 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4668 STACK_BOUNDARY if not already defined.
4670 * calls.c, function.c, reload1.c, explow.c: Don't default
4671 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4672 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4674 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4675 to run-time test.
4677 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4678 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4680 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4682 * cppmacro.c (enter_macro_context): Push macro expansions even
4683 if empty.
4685 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4687 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4688 (rs6000_elf_section_type_flags): Actually return a value.
4690 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4692 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4693 Clean up code: add missing comments and prototypes, fix warnings,
4694 remove obsolete code, fix spacing to conform to coding style.
4696 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4698 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4699 and TARGET_ASM_CLOSE_PAREN.
4700 (regclass_map): CC register belongs to class NO_REGS.
4701 (legitimize_pic_address): Don't generate unnecessary moves
4702 (to avoid confusing loop optimization).
4703 (check_and_change_labels): Replace jump_long by indirect_jump.
4704 (s390_final_chunkify): Don't start a new literal pool on section
4705 switch in 64-bit code.
4706 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4708 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4709 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4710 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4711 modes correctly.
4712 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4713 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4714 (CONST_COSTS): Fixed incorrect costs.
4716 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4717 Use emit_jump instead of emit_jump_insn (gen_jump).
4718 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4719 (to avoid confusing flow analysis).
4720 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4721 (casesi, casesi_jump): New.
4722 (jump_long): Removed. Functionality merged into indirect_jump.
4723 (indirect_jump): Accept address_operand, not just register_operand.
4724 (cjump_long, icjump_long): Use same logic as indirect_jump.
4725 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4726 Fixed broken setjmp/longjmp handling.
4727 (do_builtin_setjmp_setup): Removed.
4729 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4730 broken GNU as versions that don't accept .quad with large
4731 negative values. Use hexadecimal output instead.
4732 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4733 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4734 FUNCTION_EPILOGUE): Removed. Now in targetm.
4736 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4738 * config/s390/fixdfdi.h: Add missing copyright statement.
4739 Fix type conflicts on 64-bit. Add missing SFmode routines.
4741 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4742 email address.
4744 2001-08-11 Richard Henderson <rth@redhat.com>
4746 * rtl.h (REG_EH_RETHROW): Remove.
4747 * rtl.c (reg_note_name): Update.
4748 * combine.c (distribute_notes): Don't check for it.
4750 2001-08-11 Richard Henderson <rth@redhat.com>
4752 * combine.c (distribute_notes): Place REG_SETJMP.
4754 2001-08-11 Richard Henderson <rth@redhat.com>
4756 * doc/extend.texi (Arrays and pointers implementation): Discourage
4757 relying on sign-extension of pointers.
4759 2001-08-11 H.J. Lu <hjl@gnu.org>
4761 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4762 in_dtors.
4763 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4764 RDATA_SECTION_ASM_OP.
4766 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4768 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4769 main manual to work both for info and HTML versions.
4771 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4772 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4774 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4775 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4776 (struct cpp_pool): New member first.
4777 * cppinit.c (append_include_chain): Plug memory leaks.
4778 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4779 Allocate pragma structures from the (aligned) macro pool to
4780 avoid leaking memory.
4781 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4782 so we don't leak memory.
4783 * hashtable.c (ht_destroy): New.
4784 * hashtable.h (ht_destroy): New.
4786 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4787 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4789 * c-lex.c (map): Make const.
4790 (cb_file_change): Update for callback passing a line map.
4791 Don't assume we have a previous map. Remove sanity check
4792 about popping too many files.
4793 * cpperror.c (print_location): Make map const.
4794 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4795 (cpp_make_system_header): Similarly.
4796 (search_from): Similarly.
4797 (_cpp_execute_include): Don't remember where we came from.
4798 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4799 (struct cpp_reader): Make map const.
4800 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4801 * cpplib.c (do_line): Update; line maps now hold sysp.
4802 (cpp_push_buffer): Similarly.
4803 (_cpp_do_file_change): Similarly; callback with map instead.
4804 (cpp_get_line_maps): Constify return value.
4805 (_cpp_pop_buffer): Update.
4806 * cpplib.h (struct cpp_file_change): Remove.
4807 (struct cpp_callbacks): Update.
4808 (cpp_get_line_maps): Constify return value.
4809 * cppmacro.c (_cpp_create_definition): Update.
4810 * cppmain.c (struct printer): Constify map.
4811 (maybe_print_line): Similarly.
4812 (print_line): Similarly. Deduce flags 1 and 2 here.
4813 (cb_file_change): Update.
4814 * line-map.c (free_line_maps): Warn regardless.
4815 (add_line_map): Return pointer to const. When passed NULL to_file
4816 with LC_LEAVE, use the obvious values for the return point so the
4817 caller doesn't have to figure them out.
4818 (lookup_line): Return pointer to const.
4819 (print_containing_files): Take pointer to const.
4820 * line-map.h (struct line_map): New members reason, sysp.
4821 (add_line_map): Return pointer to const.
4822 (lookup_line): Similarly.
4823 (print_containing_files): Take pointer to const.
4825 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4826 Richard Henderson <rth@redhat.com>
4828 * regmove.c (regmove_optimize): Avoid setting a register twice in
4829 a parallel set.
4831 2001-08-10 Richard Henderson <rth@redhat.com>
4833 * doc/extend.texi (Arrays and pointers implementation): Document
4834 behavior of pointer/integer conversion.
4836 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4838 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4840 2001-08-10 Richard Henderson <rth@redhat.com>
4842 * doc/extend.texi (C Implementation): New chapter.
4843 * doc/gcc.texi (Top): Link it in.
4845 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4847 * doc/install.texi (Specific): Fix CVS merge botch.
4849 2001-08-10 Richard Henderson <rth@redhat.com>
4851 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4852 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4854 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4856 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4857 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4858 this macro is now required.
4860 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4861 loop.c (find_and_verify_loops), reload.c (reload): Check
4862 for rtx code of CALL_INSN, not CALL, when deciding if we
4863 need to check for REG_SETJMP note.
4865 * gcse.c (compute_hash_table, compute_store_table): Update
4866 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4867 logic.
4869 * config/avr/avr.c: Fix typo.
4870 * config/convex/convex.c (expand_movstr): Use adjust_address.
4871 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4872 variable.
4873 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4874 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4875 Fix typo.
4876 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4877 Do define STACK_BOUNDARY.
4878 * config/i370/i370.c: Include expr.h.
4879 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4880 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4881 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4882 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4883 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4884 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4885 * config/romp/romp.c: Include expr.h after tree.h.
4886 Include toplev.h.
4887 (output_fpop): Use xmalloc, not oballoc.
4888 * config/we32k/we32k.c: Include expr.h.
4890 2001-08-10 Kazu Hirata <kazu@hxi.com>
4892 * config/h8300/h8300.h: Fix formatting.
4894 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4896 * c-common.h (RETURN_NULLIFIED_P): Lose.
4897 * c-semantics.c (genrtl_return_stmt): Don't check it.
4899 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4901 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4902 (mips_annotate_frame_insn): New function.
4903 (mips_emit_frame_related_store): New function.
4904 (save_restore_insns): Don't mark instructions that set up the base
4905 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4906 the store instructions instead.
4907 (mips_expand_prologue): If the stack size is moved into a temporary
4908 register, do not mark that move as frame-related. Add a
4909 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4911 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4913 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4914 stack slot as unchanging if current_function_calls_eh_return.
4916 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4918 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4919 access the second half of the TFmode scratch operand.
4921 2001-08-10 Anthony Green <green@redhat.com>
4923 * java/class.c (emit_register_classes): Conditionalize code on
4924 JCR_SECTION_NAME.
4926 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4928 * doc/install.texi (Specific, avr): Fix cross-reference to the
4929 main manual to work both for info and HTML versions.
4931 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4933 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4934 and "use_goto" argument.
4935 (expand_null_return, expand_value_return): Update all callers.
4936 * function.c (expand_function_end): Remove code to generate simple
4937 return.
4938 * config/vax/vax.md (epilogue): New expander for function return.
4939 * doc/md.texi (epilogue): Remove "if defined".
4941 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4943 * Makefile.in: Partially revert my previous change:
4944 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4945 of the hashtab.o and safe-ctype.o rules.
4947 2001-08-09 Richard Henderson <rth@redhat.com>
4949 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4950 (USE_COLLECT2): Remove duplicate definition.
4951 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4952 (use_collect2): Remove dead code.
4953 * configure.in (use_collect2): Remove will_use_collect2 and
4954 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4955 * configure: Rebuild.
4957 * target.h (targetm.asm_out.constructor): New.
4958 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4959 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4960 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4961 * varasm.c (in_ctors, in_dtors): New.
4962 (assemble_constructor, assemble_destructor): Remove.
4963 (default_stabs_asm_out_destructor): New.
4964 (default_named_section_asm_out_destructor): New.
4965 (dtors_section, default_dtor_section_asm_out_destructor): New.
4966 (default_stabs_asm_out_constructor): New.
4967 (default_named_section_asm_out_constructor): New.
4968 (ctors_section, default_ctor_section_asm_out_constructor): New.
4969 * output.h: Update declarations.
4970 * c-decl.c (c_expand_body): Use target hooks instead of
4971 assemble_constructor and assemble_destructor.
4972 * profile.c (output_func_start_profiler): Likewise.
4973 * objc/objc-act.c (finish_objc): Likewise.
4974 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4975 for the constructor.
4976 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4978 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4979 (DTORS_SECTION_ASM_OP): Likewise.
4980 (__CTOR_LIST__): Use attribute section when possible.
4981 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4983 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4984 ASM_OUTPUT_CONSTRUCTOR.
4986 * config/darwin.c (machopic_asm_out_constructor): New.
4987 (machopic_asm_out_destructor): New.
4988 * config/darwin-protos.h: Update declarations.
4989 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4990 (ASM_OUTPUT_DESTRUCTOR): Remove.
4991 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4992 * config/nextstep.c (nextstep_asm_out_constructor): New.
4993 (nextstep_asm_out_destructor): New.
4994 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4995 (ASM_OUTPUT_DESTRUCTOR): Remove.
4996 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4997 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4998 ASM_OUTPUT_*STRUCTOR.
4999 * config/i386/aix386ng.h: Likewise.
5001 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
5002 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
5003 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5004 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5005 * config/lynx.h: Likewise.
5006 * config/netware.h: Likewise.
5007 * config/psos.h: Likewise.
5008 * config/alpha/alpha-interix.h: Likewise.
5009 * config/alpha/elf.h: Likewise.
5010 * config/arc/arc.h: Likewise.
5011 * config/arm/aof.h: Likewise.
5012 * config/arm/coff.h: Likewise.
5013 * config/arm/elf.h: Likewise.
5014 * config/c4x/c4x.h: Likewise.
5015 * config/h8300/h8300.h: Likewise.
5016 * config/i386/cygwin.h: Likewise.
5017 * config/i386/djgpp.h: Likewise.
5018 * config/i386/i386-coff.h: Likewise.
5019 * config/i386/i386-interix.h: Likewise.
5020 * config/i386/sco5.h: Likewise.
5021 * config/i386/vsta.h: Likewise.
5022 * config/i386/win32.h: Likewise.
5023 * config/i960/i960-coff.h: Likewise.
5024 * config/ia64/sysv4.h: Likewise.
5025 * config/m68hc11/m68hc11.h: Likewise.
5026 * config/m68k/coff.h: Likewise.
5027 * config/m68k/mot3300.h: Likewise.
5028 * config/m88k/m88k.h: Likewise.
5029 * config/mcore/mcore-pe.h: Likewise.
5030 * config/mcore/mcore.h: Likewise.
5031 * config/mips/elf.h: Likewise.
5032 * config/mips/elf64.h: Likewise.
5033 * config/mips/iris6.h: Likewise.
5034 * config/pa/pa64-hpux.h: Likewise.
5035 * config/rs6000/sysv4.h: Likewise.
5036 * config/sh/sh.h: Likewise.
5037 * config/sparc/litecoff.h: Likewise.
5039 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
5040 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5041 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5042 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5043 (ASM_OUTPUT_DESTRUCTOR): Remove.
5044 * config/a29k/a29k.c: Move include of tree.h.
5045 * config/a29k/udi.h: Delete file.
5046 * config/alpha/alpha.c (vms_asm_out_constructor): New.
5047 (vms_asm_out_destructor): New.
5048 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
5049 (EXTRA_SECTION_FUNCTIONS): Likewise.
5050 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5051 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5052 * config/c4x/c4x.c: Move include of tree.h.
5053 * config/clipper/clipper.c (clix_asm_out_constructor): New.
5054 (clix_asm_out_destructor): New.
5055 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5056 (ASM_OUTPUT_DESTRUCTOR): Remove.
5057 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5058 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5059 (TARGET_ASM_CONSTRUCTOR): New.
5060 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
5061 (sco_asm_out_constructor): New.
5062 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
5063 * config/i386/svr3gas.h: Remove stack grows up code.
5064 Remove code duplicated from i386/sysv3.h.
5065 (TARGET_ASM_CONSTRUCTOR): New.
5066 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
5067 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
5068 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5069 (TARGET_ASM_CONSTRUCTOR): New.
5070 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
5071 (m68hc11_asm_out_destructor): New.
5072 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
5073 (TARGET_ASM_DESTRUCTOR): New.
5074 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
5075 * config/m68k/dpx2.h: Properly undef all the bits inherited from
5076 config/svr3.h pertaining to section manipulation.
5077 * config/m68k/dpx2g.h: Remove #if 0 code.
5078 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
5079 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
5080 (ASM_OUTPUT_CONSTRUCTOR): Remove.
5081 (TARGET_ASM_CONSTRUCTOR): New.
5082 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
5083 (m88k_svr3_asm_out_constructor): New.
5084 (m88k_svr3_asm_out_destructor): New.
5085 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5086 (ASM_OUTPUT_DESTRUCTOR): Remove.
5087 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5088 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
5089 * config/rs6000/aix.h: Likewise.
5090 * config/mips/rtems64.h: Don't undef removed constructor related bits.
5091 * config/mips/vxworks.h: Likewise.
5092 * config/rs6000/lynx.h: Likewise.
5093 * config/sh/elf.h: Likewise.
5094 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
5095 (DTORS_SECTION_ASM_OP): New.
5096 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5097 (ASM_OUTPUT_DESTRUCTOR): Remove.
5098 * config/sparc/sol2-sld-64.h: Likewise.
5099 * config/vax/vax.c (vms_asm_out_constructor): New.
5100 (vms_asm_out_destructor): New.
5101 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
5102 (ASM_OUTPUT_DESTRUCTOR): Remove.
5103 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
5105 * doc/tm.texi (@node Initialization): Update.
5107 2001-08-09 Richard Henderson <rth@redhat.com>
5109 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
5110 (__do_global_dtors_aux): Use gp-relative static data to avoid
5111 one dynamic relocation.
5112 (__do_frame_setup): Register Java classes.
5113 * config/alpha/crtend.asm (__JCR_END__): New.
5115 2001-08-09 Zack Weinberg <zackw@stanford.edu>
5117 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
5118 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
5119 (GEN, STAGESTUFF): Add new files.
5120 (insn-constants.h, s-constants, tm-preds.h, s-preds,
5121 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
5122 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
5123 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
5124 as well as insn-codes.h and insn-flags.h in config.h; and no
5125 extra headers in tconfig.h and hconfig.h.
5127 * gencodes.c: Eliminate code to generate predicate declarations
5128 or #defines for md-file constants.
5129 * genconstants.c, genpreds.c: New files.
5131 * i386.md: Re-order guard expressions such that TARGET_64BIT
5132 comes first, when this permits better optimization. Add
5133 TARGET_64BIT to more x86-64 patterns. Add comment explaining
5134 why this is desirable.
5136 2001-08-09 Jakub Jelinek <jakub@redhat.com>
5138 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
5139 (find_fde_for_dso): Remove.
5140 (_Unwind_IteratePhdrCallback): New.
5141 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
5142 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
5144 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5146 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
5147 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
5149 2001-08-09 Graham Stott <grahams@redhat.com>
5151 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
5152 (vis_no_unit): Use it.
5153 (visualize_no_unit): Add the insn only if room exists.
5155 2001-08-09 Graham Stott <grahams@redhat.com>
5157 * predict.c (estimate_probability): Replace magic numbers with
5158 appropriate enumeration.
5160 2001-08-09 Graham Stott <grahams@redhat.com>
5162 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
5163 parameter.
5164 (EXTRACT_FLAGS): Likewise.
5166 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
5168 * config/mips/mips.c (mips_legitimate_address_p): Check for
5169 CONST_INT in last patch.
5171 2001-08-08 Anthony Green <green@redhat.com>
5173 * java/class.c (emit_register_classes): Use assemble_jcr if
5174 possible. Keep the original mechanism as a fallback.
5175 * defaults.h (JCR_SECTION_NAME): Define if we have named section
5176 and weak symbol support.
5177 * crtstuff.c (__JCR_LIST__): Define.
5178 (__JCR_END__): Define.
5179 (_Jv_RegiserClasses): Define weak symbol if possible.
5180 (__do_global_ctors_aux): Register classes for ELF targets with
5181 weak symbol support.
5183 2001-08-08 Kazu Hirata <kazu@hxi.com>
5185 * dbxout.c: Fix comment formatting.
5186 * dependence.c: Likewise.
5187 * df.c: Likewise.
5188 * diagnostic.c: Likewise.
5189 * dominance.c: Likewise.
5190 * doprint.c: Likewise.
5191 * dwarf2out.c: Likewise.
5192 * dwarfout.c: Likewise.
5193 * emit-rtl.c: Likewise.
5194 * except.c: Likewise.
5195 * explow.c: Likewise.
5196 * expmed.c: Likewise.
5197 * expr.c: Likewise.
5198 * flow.c: Likewise.
5199 * fold-const.c: Likewise.
5200 * function.c: Likewise.
5202 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5204 * global.c (retry_global_alloc): Avoid shadowing allocno.
5206 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5208 * except.c (remove_fixup_regions): Fix typo.
5210 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5212 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5213 unsigned HOST_WIDE_INT to avoid warning.
5214 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5215 * flow.c (set_block_for_new_insns): Likewise.
5217 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5219 * sibcall.c (return_value_pseudo): New static variable.
5220 (skip_copy_to_return_value): Handle return_value_pseudo.
5221 (call_ends_block_p): Ensure that return_value_pseudo is set.
5222 (optimize_sibling_and_tail_recursive_call): Discover the
5223 load of pseudo return value in alternate exit block.
5225 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5227 * calls.c (ECF_ALWAYS_RETURN): New constant.
5228 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5229 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5230 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5231 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5232 * rtl.c (reg_note_name): New name.
5233 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5235 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5237 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5239 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5241 * alias.c (get_alias_set): Return a previously calculated
5242 alias set for a VAR_DECL.
5243 * function.c (gen_mem_addressof): Calculate the alias set before
5244 touching the RTL.
5246 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5248 * predict.def: Set hitrates according our experimental run.
5250 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5252 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5254 2001-08-08 H.J. Lu <hjl@gnu.org>
5256 * config/mips/mips.c (mips_unique_section): New. Copied from
5257 config/mips/elf.h.
5259 * config/mips/mips-protos.h (mips_unique_section): New
5260 prototype.
5262 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5264 * config/mips/little.h: New. Generic little endian mips
5265 targets. Only mips*-*-linux* is converted to use it so far.
5267 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5268 (WCHAR_TYPE): Defined
5269 (WCHAR_TYPE_SIZE): Likewise.
5270 (INIT_SUBTARGET_OPTABS): Likewise.
5271 (BSS_SECTION_ASM_OP): Likewise.
5272 (SBSS_SECTION_ASM_OP): Likewise.
5273 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5274 (ASM_DECLARE_OBJECT_NAME): Likewise.
5275 (UNIQUE_SECTION): Likewise.
5276 (EXTRA_SECTIONS): Likewise.
5277 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5278 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5279 (ASM_OUTPUT_DEF): Likewise.
5280 (HANDLE_SYSV_PRAGMA): Removed.
5281 (NO_IMPLICIT_EXTERN_C): Likewise.
5282 (TARGET_MEM_FUNCTIONS): Likewise.
5283 (STARTFILE_SPEC): Likewise.
5284 (ENDFILE_SPEC): Likewise.
5285 (LIB_SPEC): Likewise.
5286 (INVOKE__main): Likewise.
5287 (CTOR_LIST_BEGIN): Likewise.
5288 (CTOR_LIST_END): Likewise.
5289 (DTOR_LIST_BEGIN): Likewise.
5290 (DTOR_LIST_END): Likewise.
5291 (SET_ASM_OP): Likewise.
5292 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5293 (ASM_OUTPUT_DEF): Likewise.
5294 (ASM_OUTPUT_IDENT): Likewise.
5296 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5297 (CPLUSPLUS_CPP_SPEC): Likewise.
5298 (ASM_APP_ON) Redefine only if not defined.
5299 (ASM_APP_OFF): Likewise.
5300 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5301 (ASM_OUTPUT_IDENT): Likewise.
5303 * config.gcc: Update tm_file for Linux/mips.
5305 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5307 * cselib.c (cselib_record_sets): If insn is predicated, turn
5308 sources into IF_THEN_ELSEs.
5310 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5311 Turn into define_insn_and_split.
5313 * sched-deps.c: Include "cselib.h".
5314 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5315 Use cselib to turn memory addresses into VALUEs.
5316 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5317 * sched-int.h (struct sched_info): New member USE_CSELIB.
5318 * sched-ebb.c (ebb_sched_info): Initialize it.
5319 * sched-rgn.c (rgn_sched_info): Likewise.
5320 * Makefile.in (sched-deps.o): Update dependencies.
5322 * cselib.h (cselib_subst_to_values): Declare.
5323 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5324 that have no value and autoincs to be handled by generating a new
5325 dummy value.
5327 2001-08-08 Graham Stott <grahams@redhat.com>
5329 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5330 within fixed length SEQUENCE.
5332 2001-08-08 Graham Stott <grahams@redhat.com>
5334 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5335 (diagnostic_prefixing_rule): Likewise.
5336 (diagnostic_line_cutoff): Likewise.
5337 (diagnostic_kind_count): Likewise.
5339 2001-08-08 Graham Stott <grahams@redhat.com>
5341 * alias.c (find_base_decl): Delete redundent assignment.
5343 2001-08-08 Graham Stott <grahams@redhat.com>
5345 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5346 (abs): Uppercase and paranthesize macro parameter.
5347 (MEM_DEPENDENCY): Add whitespace.
5349 2001-08-08 Graham Stott <grahams@redhat.com>
5351 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5352 failure check for CONST_INT
5354 2001-08-08 Graham Stott <grahams@redhat.com>
5356 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5357 (libcall_dead_p): Likewise.
5359 (mark_used_regs): Constify fmt.
5360 (find_use_as_address): Likewise.
5362 2001-08-08 Graham Stott <grahams@redhat.com>
5364 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5365 parameter.
5367 2001-08-08 Graham Stott <grahams@redhat.com>
5369 * combine.c (combine_simplify_rtx): Update comment and
5370 remove erroneous test.
5372 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5374 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5375 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5376 take care to avoid multiple no-newline at EOF warnings in that
5377 case.
5379 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5381 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5382 (emit_library_call_value_1): Likewise.
5383 (emit_call_1): Emit REG_SETJMP note.
5384 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5385 of INSN_SETJMP
5386 * cselib.c (cselib_process_insn): Likewise.
5387 * flow.c (propagate_block): Likewise.
5388 * loop.c (find_and_verify_loops): Likewise.
5389 * reload.c (find_equiv_regs): Likewise.
5390 * reload1.c (reload): Likewise.
5391 * resource.c (mark_referenced_resources,
5392 mark_set_resources): Likewise.
5393 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5394 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5395 * haifa-sched.c (unlink_other_notes): Likewise.
5396 (reemit_notes): Likewise.
5397 * sched-ebb.c (sched_ebb): Likewise.
5398 * sched-rgc.c (sched_region): Likewise.
5399 * rtl.c (note_insn_name): Likewise.
5400 (reg_note_name): Add REG_SETJMP
5401 * rtl.h (reg_note): Add REG_SETJMP.
5402 (insn_note): Remove NOTE_INSN_SETJMP.
5404 * profile.c (branch_prob): Add fake edges for setjmp.
5406 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5408 * config.gcc: Quote target_cpu_default2 correctly for
5409 powerpc*-*-* targets.
5411 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5413 * cpplib.h, line-map.h: Update comments.
5414 * cppmain.c (printer_init): Move inline.
5415 (maybe_print_line, print_line): Take a map pointer.
5416 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5417 (cb_file_change): Don't use prior value of print.map.
5419 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5421 * doc/install.texi: Document fine-grained multilib configuration.
5423 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5425 * rtlanal.c (find_first_parameter_load): Call note_stores
5426 only on the instructions.
5428 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5430 * alias.c (nonlocal_mentioned_p):
5431 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5432 * calls.c (emit_call_1): Likewise.
5433 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5434 * cselib.c (cselib_process_insn): Likewise.
5435 * df.c (df_insns_modify): Likewise.
5436 * flow.c (need_fake_edge_p): Likewise.
5437 (propagate_one_insn): Likewise.
5438 * haifa-sched.c (reemit_notes): Likewise.
5439 * integrate.c (copy_insn_list): Likewise.
5440 * jump.c (delete_prior_computation): Likewise.
5441 * local-alloc.c (validate_equiv_mem): Likewise.
5442 * loop.c (scan_loop): Likewise.
5443 * predict.c (estimate_probability): Likewise.
5444 * reload.c (reload): Likewise.
5445 * sched-deps (sched_analyze): Likewise.
5446 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5447 * gcse.c (compute_hash_table): Likewise.
5448 (mark_call): Likewise.
5449 (store_killed_in_insn): Likewise.
5451 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5453 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5455 2001-08-06 Richard Henderson <rth@redhat.com>
5457 * varasm.c (assemble_gc_entry): Remove.
5458 * output.h: Likewise.
5460 2001-08-06 Richard Henderson <rth@redhat.com>
5462 * varasm.c (assemble_constructor): Take a symbol_ref and a
5463 priority instead of a bare string. Move priority handling
5464 here from cp/decl2.c.
5465 * output.h: Update decls.
5467 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5468 and assemble_destructor.
5469 * profile.c (output_func_start_profiler): Likewise.
5470 * objc/objc-act.c (finish_objc): Likewise.
5471 (build_module_descriptor): Return the symbol not the symbol name.
5473 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5475 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5476 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5477 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5478 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5479 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5480 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5482 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5484 * cpperror.c (print_containing_files): Moved to line-map.c.
5485 (print_location): line-map.c handles re-listing or otherwise.
5486 * cpphash.h (struct lexer_state): Remove next_bol.
5487 (struct cpp_buffer): Remove include_stack_listed.
5488 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5489 Remove faked buffer handling.
5490 (_cpp_do_file_change): Tweak.
5491 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5492 * cppmain.c (struct printer): Remove filename.
5493 (print_line, cb_file_change): Update accordingly.
5494 * line-map.c: Include intl.h.
5495 (init_line_maps): Initialize last_listed.
5496 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5497 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5498 (print_containing_files): New.
5499 * line-map.h (struct line_maps): New member last_listed.
5500 (print_containing_files, INCLUDED_FROM): New.
5501 * Makefile.in: Update.
5502 * po/POTFILES.in: Add line-map.c.
5504 2001-08-06 Richard Henderson <rth@redhat.com>
5506 * except.c (convert_from_eh_region_ranges_1): Never mark
5507 USE or CLOBBER insns as throwing.
5509 * expr.c (store_constructor): Don't clobber memory targets.
5511 2001-08-06 Andreas Jaeger <aj@suse.de>
5513 * profile.c (branch_prob): Remove unused variable insn.
5515 * Makefile.in (local-alloc.o): Add dependency on except.h.
5517 * local-alloc.c: Include except.h for can_throw_internal prototype.
5519 2001-08-06 Richard Henderson <rth@redhat.com>
5521 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5522 * function.c (expand_main_function): Implement it.
5523 * doc/tm.texi: Document it.
5525 2001-08-06 Stan Shebs <shebs@apple.com>
5527 * doc/install.texi: Document powerpc-*-darwin* details.
5529 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5531 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5532 (ASM_CPU_SPEC): Move back to rs6000.h
5533 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5535 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5537 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5538 readded.
5540 * config/rs6000/linux64.h: Ditto.
5542 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5543 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5544 nothing.
5546 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5547 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5549 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5550 to rs6000.h
5552 2001-08-05 Richard Henderson <rth@redhat.com>
5554 * local-alloc.c (update_equiv_regs): Do not move insns that
5555 can throw.
5557 2001-08-05 Jan Hubicka <jh@suse.cz>
5559 * Makefile.in (reload1.o): Add dedendancy on except.h
5560 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5561 prototypes.
5562 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5563 indicating wehther edges has been cleaned up.
5564 * reload1.c: Inlucde except.h
5565 (fixup_abnormal_edges): Accept deleted insns.
5566 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5567 after combine.
5569 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5571 * cpplib.c (do_line): Correct line number after pop_buffer.
5573 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5575 PR preprocessor/3824
5576 * line-map.c: Update comments.
5577 * line-map.h: Update comments.
5578 * tradcif.y: Don't consider large numbers unsigned.
5580 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5582 PR preprocessor/3081
5583 * c-lex.c (map): New.
5584 (cb_file_change): Update map and use it.
5585 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5586 (c_lex): Update to use map.
5587 * cpperror.c (print_location): Move to using logical line numbers.
5588 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5589 (cpp_make_system_header): Similarly.
5590 (_cpp_execute_include): Stop line numbering hacks. Store the
5591 line we will return to.
5592 * cpphash.h (CPP_BUF_LINE): Remove.
5593 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5594 Add map and return_to_line.
5595 (_cpp_do_file_change): Update.
5596 * cppinit.c (cpp_start_read): Update line kludge.
5597 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5598 (trigraph_ok): Use logical line numbers for diagnostics.
5599 (skip_block_comment): Likewise.
5600 (skip_whitespace): Likewise.
5601 (skip_line_comment): Use pfile->line instead.
5602 (_cpp_lex_token): Update to use logical line numbering exclusively.
5603 Handle BOL locally. Accept new lines in directives, but keep
5604 pfile->line decremented. Diagnostics use logical lines. Update
5605 directive handling.
5606 * cpplib.c (SEEN_EOL): New.
5607 (skip_rest_of_line, check_eol): Use it.
5608 (end_directive): Increase line number when accepting the newline
5609 at the end of a directive.
5610 (run_directive): Simplify.
5611 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5612 (_cpp_do_file_change): Update to take buffer line number as an
5613 argument, and store the current map in the cpp_reader. Remove
5614 line number kludges.
5615 (_cpp_do__Pragma): Restore output position after a _Pragma.
5616 (cpp_push_buffer): Don't set output line or lineno.
5617 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5618 Remove line kludge. Set output_line.
5619 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5620 (parse_arg): Use logical lines.
5621 (save_lookahead_token): Save EOFs too now.
5622 * cppmain.c (struct printer): Fix comments.
5623 (printer_init): Simplify, let caller do errors.
5624 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5625 (maybe_print_line): Simplify.
5626 (print_line): Don't print a linemarker if -P.
5627 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5628 (cb_file_change): Simplify.
5629 * line-map.h (LAST_SOURCE_LINE): Fix.
5630 (CURRENT_LINE_MAP): New.
5632 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5634 * doloop.c (doloop_modify_runtime): Properly compute number of
5635 iterations if loop was unrolled.
5637 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5638 if their CSELIB_VAL_PTRs are.
5640 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5641 (setup_spill_pointers): Initialize it.
5642 (spill_restore_mem): Set it.
5643 (do_spill, do_restore): Use it to add REG_INC note.
5644 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5646 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5647 asms if other insns are available.
5649 * config/ia64/ia64.c (condop_operator): New predicate.
5650 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5651 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5652 patterns.
5654 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5655 temporary register than directly using a MEM.
5657 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5659 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5660 parameter in last change.
5662 2001-08-04 Zack Weinberg <zackw@panix.com>
5664 * sparc.md: Don't use #if inside C test expression.
5666 2001-08-04 Richard Henderson <rth@redhat.com>
5668 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5670 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5672 * cpphash.h (struct cpp_reader): New member directive_line.
5673 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5674 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5675 do_pragma): Pass line to callbacks.
5676 (start_directive): Record line of directive.
5677 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5678 cb_include): Similarly.
5679 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5680 Similarly.
5682 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5684 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5685 comment.
5687 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5689 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5691 * reload1.c (fixup_abnormal_edges): New static function.
5692 (reload): Use it.
5694 * flow.c (need_fake_edge_p): New function.
5695 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5696 avoid call insn to be very last insn in the insn stream.
5698 * profile.c (branch_prob): Call flow_call_edges_add instead of
5699 doing that by hand; cleanup cfg to re-merge basic blocks once
5700 we are done.
5702 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5704 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5705 are also on line-map.h.
5706 * cppfiles.c (stack_include_file): Update.
5707 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5708 (_cpp_pop_buffer): New.
5709 * cppinit.c (cpp_destroy, cpp_finish): Update.
5710 (do_includes): Mark each buffer to return at EOF.
5711 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5712 return as requested.
5713 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5714 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5715 * cpplib.h (cpp_pop_buffer): Remove.
5716 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5717 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5718 buffers.
5719 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5720 to pop buffers.
5721 (do_preprocessing): Update.
5722 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5723 * c-parse.in (_yylex): Similarly.
5724 * scan-decls.c (scan_decls): Similarly.
5725 * line-map.h: Update comments.
5727 * objc/Make-lang.in (objc-act.o): Update dependencies.
5729 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5731 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5732 and soft register for operand 0.
5733 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5735 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5737 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5738 register for operand 0.
5739 ("bitcmpqi_z_used"): Allow memory for operand 0.
5740 (split "bitcmpqi"): New split to handle address reg as operand 1.
5742 2001-08-04 Andreas Jaeger <aj@suse.de>
5744 * gcse.c: Revert Daniel's last patch.
5746 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5748 * sparc-protos.h: Add prototypes for fp_zero_operand and
5749 reg_or_0_operand.
5750 * sh-protos.h: Add prototype for fpul_operand.
5752 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5754 * doc/extend.texi (Other Builtins): Fix typo in last change.
5756 2001-08-03 Richard Henderson <rth@redhat.com>
5758 * target.h (gcc_target): Add asm_out.named_section,
5759 section_type_flags, have_named_sections.
5760 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5761 (TARGET_HAVE_NAMED_SECTIONS): New.
5762 (TARGET_SECTION_TYPE_FLAGS): New.
5764 * Makefile.in (toplev.o): Depend on TARGET_H.
5765 (varasm.o, dbxout.o): Likewise.
5766 * c-common.c (decl_attributes): Check targetm.have_named_sections
5767 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5768 * dbxout.c (dbxout_function_decl): Likewise.
5769 (dbxout_function_end): Likewise.
5770 * toplev.c (compile_file): Likewise.
5771 * varasm.c (exception_section): Likewise.
5772 * cp/decl2.c (finish_objects): Likewise.
5774 * defaults.h (EH_FRAME_SECTION): Remove.
5775 (EH_FRAME_SECTION_ASM_OP): Remove.
5776 (EH_FRAME_SECTION_NAME): New.
5777 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5778 (UNIQUE_SECTION_P): Remove.
5779 * dwarf2out.c (SECTION_FORMAT): Remove.
5780 (ASM_OUTPUT_SECTION): Remove.
5781 (output_call_frame_info): Use named_section_flags.
5782 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5783 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5784 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5785 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5786 (named_section_flags): New.
5787 (named_section): Use it and targetm.section_type_flags.
5788 (resolve_unique_section): New.
5789 (assemble_start_function): Use it.
5790 (asm_emit_uninitialised, assemble_variable): Likewise.
5791 (default_section_type_flags): New.
5792 (default_no_named_section, default_elf_asm_named_section): New.
5793 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5794 * output.h: Update varasm.c decls.
5795 (SECTION_*): New flags.
5797 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5798 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5800 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5801 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5802 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5803 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5804 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5805 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5806 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5807 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5808 * config/pa/pa64-hpux.h,
5810 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5811 (TARGET_ASM_NAMED_SECTION): New.
5812 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5813 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5814 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5815 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5816 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5817 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5818 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5819 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5820 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5821 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5822 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5823 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5824 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5825 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5826 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5827 * config/sparc/sysv4.h: Likewise.
5829 * config/nextstep.h: Error until named sections implemented.
5831 * config/a29k/a29k.c (a29k_asm_named_section): New.
5832 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5833 (vms_section_type_flags, vms_asm_named_section): New.
5834 * config/arm/arm.c (arm_elf_asm_named_section): New.
5835 * config/avr/avr.c (asm_output_section_name): Remove.
5836 * config/avr/avr-protos.h: Update.
5837 * config/c4x/c4x.c (c4x_asm_named_section): New.
5838 * config/h8300/h8300.c (h8300_asm_named_section): New.
5839 * config/i386/i386.c (sco_asm_named_section): New.
5840 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5841 (i386_pe_section_type_flags): New.
5842 (i386_pe_asm_named_section): New.
5843 * config/i386/i386-protos.h: Update.
5844 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5845 * config/mcore/mcore.c (mcore_asm_named_section): New.
5846 * config/mips/mips.c (iris6_asm_named_section): New.
5847 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5848 instead of UNIQUE_SECTION_P.
5849 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5850 (xcoff_asm_named_section): New.
5851 * config/sh/sh.c (sh_asm_named_section): New.
5852 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5854 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5855 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5856 (EH_FRAME_SECTION_NAME): New.
5857 (EXCEPTION_SECTION): New.
5858 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5859 (DEBUG_*_SECTION): Remove.
5860 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5861 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5862 (EH_FRAME_SECTION_ASM_OP): Remove.
5864 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5865 (ASM_OUTPUT_SECTION_NAME): Remove.
5866 (TARGET_ASM_NAMED_SECTION): New.
5867 (TARGET_HAVE_NAMED_SECTIONS): New.
5868 (TARGET_SECTION_TYPE_FLAGS): New.
5869 (EH_FRAME_SECTION_ASM_OP): Remove.
5870 (EH_FRAME_SECTION_NAME): New.
5872 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5874 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5875 for complex expressions when cfun == 0.
5876 * doc/extend.texi: Document that __builtin_constant_p can be
5877 used in data initializers as well as functions.
5879 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5881 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5882 variable I locally, instead of expecting a declaration in the
5883 calling context.
5885 2001-08-03 Richard Henderson <rth@redhat.com>
5887 * except.c (collect_one_action_chain): Add an explicit cleanup
5888 action if regions surrounding a catch were encoded entirely
5889 within the call-site entry.
5891 2001-08-03 Richard Henderson <rth@redhat.com>
5893 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5894 don't take REGNO of a non-register.
5896 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5898 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5899 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5900 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5901 (__gthread_mutex_init_function): New function for mutex initialization.
5903 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5905 * Makefile.in: Revert screwed up commit.
5907 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5909 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5910 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5911 merged by linker script to get a final _exit().
5912 (__do_global_dtors): New for destructor handling in specific exit
5913 section.
5914 (__do_global_ctors): New for constructors in specific install section.
5915 (__map_data_section): Map data sections before running constructors.
5916 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5917 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5918 (DTORS_SECTION_ASM_OP): Likewise.
5919 (CTORS_SECTION_FUNCTION): Define to force a reference to
5920 __do_global_ctors.
5921 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5923 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5925 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5927 * Makefile.in: Add df.h to gcse.c dependencies.
5929 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5931 * varasm.c (output_constant_def_contents): Use for the length of a
5932 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5933 depending on which is larger.
5935 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5937 * gcse.c: Include df.h for use as a dataflow analyzer.
5938 Remove regvec.
5939 Declaration of reg_set_info: gone.
5940 New df_analyzer variable used by store motion.
5941 (reg_set_info): Deleted.
5942 (mark_mem_regs): New function, analyze regs used by a mem.
5943 (store_ops_ok): Use dataflow analyzer results to determine if
5944 necessary regs are changed in the block.
5945 (find_moveable_store): Remove check for symbol ref, we can handle
5946 much more complex expressions now.
5947 (compute_store_table): Remove most of the code, it's unnecessary
5948 now that the dataflow analyzer records the info for us.
5949 (store_killed_after): Add parameter to say whether to do the
5950 store_ops_okay test, used to speed up testing when we already know
5951 the answer, and just want to know if the store itself was killed.
5952 (build_store_vector): Largely rewritten to calculate the various
5953 vectors properly, and somewhat optimized.
5954 (store_motion): Init the df_analyzer, get REG_DEF chains.
5955 Also handle trapping expressions (since mems almost always trap)
5956 (simple_mem): Redefine what a simple mem is.
5958 2001-08-03 DJ Delorie <dj@redhat.com>
5960 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5961 set from a constant part of the condition.
5963 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5965 * mkdeps.c (deps_add_default_target): Make local variable
5966 ``start'' a const char pointer.
5967 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5969 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5971 * doc/install.texi (Configuration): Fix markup.
5972 (Specific, i?86-*-udk): Likewise.
5973 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5974 --with-gnu-ld.
5975 Document --enable-threads and --enable-libgcj status.
5976 (Specific, mips-sgi-irix*): Canonicalize triples.
5977 (Specific, mips-sgi-irix5): Warn about problems with this config.
5978 Mention required GNU as patch.
5979 Native assembler problems are fixed.
5980 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5981 Document --enable-threads and --enable-libgcj status.
5983 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5985 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5986 of mkinstalldirs.
5988 2001-08-03 Richard Henderson <rth@redhat.com>
5990 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5991 constant data.
5993 2001-08-03 Richard Henderson <rth@redhat.com>
5995 * rtlanal.c (find_first_parameter_load): Stop if we
5996 reach a CODE_LABEL at BOUNDARY.
5998 2001-08-03 Richard Henderson <rth@redhat.com>
6000 * config/alpha/alpha.md (force_movdi): New insn.
6001 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
6002 Tweek FRP marking of VMS prologue insns.
6003 * config/alpha/vms.h (EPILOGUE_USES): New.
6005 2001-08-02 Richard Henderson <rth@redhat.com>
6007 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
6009 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6011 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
6012 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
6013 config/convex/convex.h, config/d30v/d30v.c,
6014 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
6015 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
6016 config/mips/mips.h, config/mn10200/mn10200.h,
6017 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
6018 config/v850/v850.h, config/vax/openbsd.h,
6019 config/vax/openbsd1.h, config/vax/ultrix.h,
6020 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
6021 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
6022 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
6023 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
6024 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
6025 in comments and documentation.
6027 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6029 * line-map.c: New.
6030 * line-map.h: New.
6031 * Makefile.in (line-map.o): New.
6032 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
6033 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
6034 * cpperror.c (print_containing_files): Similarly.
6035 (print_location): Update. Don't output a space before _Pragma.
6036 * cppfiles.c (stack_include_file): Set to line 1 immediately.
6037 (stack_include_filee, cpp_make_system_header): Update.
6038 (_cpp_execute_include): Get logical line number right for calling
6039 as-yet-unterminated #include.
6040 * cpphash.h (struct cpp_reader): Add line_maps.
6041 (_cpp_do_file_change): Update.
6042 * cppinit.c (cpp_create_reader): Initialize line maps.
6043 (cpp_destroy): Destroy line maps.
6044 (cpp_start_read): Get logical line number right.
6045 * cpplex.c (parse_string): Only warn once for multi-line strings.
6046 Use boolean variable for null warning.
6047 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
6048 already.
6049 (do_include_common): End the directive early.
6050 (do_line): Don't warn about out-of-range lines in preprocessed
6051 source. Update. Remove unused variables.
6052 (_cpp_do_file_change): Update for new line mapping.
6053 (pragma_cb): New typedef.
6054 (cpp_register_pragma): Stop looking ahead before calling the
6055 handler. Clean up.
6056 (do_pragma_system_header): End directive early.
6057 (cpp_get_line_maps): New.
6058 (cpp_pop_buffer): Fudge logical line. Update.
6059 * cpplib.h: Include line-map.h
6060 (enum cpp_fc_reason): Remove.
6061 (struct cpp_file_change): Update.
6062 (cpp_get_line_maps): New.
6063 * cppmain.c (struct_printer): New member map.
6064 (cb_file_change): Update for new mappings.
6065 * fix-header.c (cb_file_change): Similarly.
6067 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6069 * Makefile.in (libgcc.mk): Define mkinstalldirs.
6070 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
6072 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
6074 * config/vax/vax.c: include expr.h.
6076 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
6078 * Makefile.in ($(srcdir)/configure): Only rebuild in
6079 maintainer mode.
6080 ($(srcdir)/config.in): Only define in maintainer mode.
6081 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
6083 2001-08-02 David Edelsohn <edelsohn@gnu.org>
6085 * doc/install.texi (Install GCC: Binaries): Update Bull info.
6087 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6089 * gcc.c (set_collect_gcc_options): New function, split out from
6090 main.
6091 Ignore elided switches.
6092 (do_spec_1): Invoke before executing command.
6093 (set_input): Export.
6094 Move declaration ...
6095 * gcc.h (set_input): ... here.
6096 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6097 file.
6099 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
6101 Kill -fhonor-std.
6102 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
6103 interaction.
6104 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
6106 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
6108 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
6109 for the unnamed instructions it expands to.
6111 2001-08-02 Richard Henderson <rth@redhat.com>
6113 * regclass.c (call_really_used_regs): Conditionally define.
6114 (init_reg_sets_1): Don't use it if not defined.
6115 (fix_register): Similarly, don't set it.
6117 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6119 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
6120 Correct comment that had been missed in the previous change.
6122 2001-08-01 Stan Shebs <shebs@apple.com>
6124 * config/darwin.c (machopic_stub_name): Try matching by name.
6125 (update_stubs): New function.
6126 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
6127 unconditionally.
6129 2001-08-01 Richard Henderson <rth@redhat.com>
6131 * except.c (output_function_exception_table): Use assemble_align.
6132 * varasm.c (assemble_eh_label): Remove.
6133 (assemble_eh_align, assemble_eh_integer): Remove.
6135 2001-08-01 Robert Lipe <robertl@caldera.com>
6137 * dwarfout.c: Remove reference to README.DWARF.
6139 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
6141 * regclass.c (call_really_used_regs): New array for registers which
6142 are actually used by a call.
6143 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
6144 new array.
6145 (fix_register): Set call_really_used too.
6146 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
6147 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
6149 2001-08-01 Richard Henderson <rth@redhat.com>
6151 * read-rtl.c (read_name): Consider \r whitespace.
6153 2001-07-11 Andrew Cagney <ac131313@redhat.com>
6155 * config.gcc: Recognize powerpc-*-netbsd*.
6157 * doc/install.texi (Host/target specific installation notes for
6158 GCC): Mention powerpc-*-netbsd*.
6160 * config/rs6000/netbsd.h: New file.
6161 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
6162 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
6163 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
6164 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
6165 (TARGET_VERSION): Redefine.
6167 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
6168 mcall-netbsd as a match for mcall-sysv.
6169 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
6170 (ncrti.S, ncrtn.S): New targets.
6171 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
6173 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
6174 "netbsd' as a V4 ABI.
6175 (ASM_SPEC): Check for -mcall-netbsd.
6176 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
6177 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6178 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6179 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6180 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6181 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6182 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6184 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6185 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6187 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6189 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6190 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6191 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6192 including "unwind-pe.h".
6194 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6196 * rs6000.md (define_splits): Kill unused constraints.
6198 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6199 Jan Hubicka <jh@suse.cz>
6201 * function.c (thread_prologue_and_epilogue_insns): Kill code
6202 dealing with non-existent CFG.
6204 2001-08-01 Kazu Hirata <kazu@hxi.com>
6206 * alias.c: Fix comment formatting.
6207 * bitmap.c: Likewise.
6208 * builtins.c: Likewise.
6209 * calls.c: Likewise.
6210 * c-common.c: Likewise.
6211 * c-decl.c: Likewise.
6212 * c-dump.c: Likewise.
6213 * c-lex.c: Likewise.
6214 * collect2.c: Likewise.
6215 * combine.c: Likewise.
6216 * conflict.c: Likewise.
6217 * cppfiles.c: Likewise.
6218 * cppinit.c: Likewise.
6219 * cpplex.c: Likewise.
6220 * cpplib.c: Likewise.
6221 * cppmacro.c: Likewise.
6222 * cppspec.c: Likewise.
6223 * c-pragma.c: Likewise.
6224 * crtstuff.c: Likewise.
6225 * cse.c: Likewise.
6226 * cselib.c: Likewise.
6227 * c-semantics.c: Likewise.
6228 * c-typeck.c: Likewise.
6230 2001-08-01 H.J. Lu <hjl@gnu.org>
6232 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6234 2001-08-01 H.J. Lu <hjl@gnu.org>
6236 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6238 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6240 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6241 contextualizing Objective-C class name lookup by the lexer.
6242 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6243 seeing a TYPESPEC.
6244 (protocoldef): Add support for forward @protocol declarations.
6245 (yylexname): Suppress ObjC class name lookup in certain contexts;
6246 re-enable after lookup is complete.
6247 (_yylex): Re-enable ObjC class name lookup when certain
6248 punctuation marks are seen.
6250 * objc/objc-act.c (check_protocol_recursively): New function used
6251 for finding circular dependencies in protocols.
6252 (objc_declare_protocols): New function for handling forward
6253 @protocol declarations.
6254 (receiver_is_class_object): Detect the case when 'self' is used
6255 inside of a class method.
6256 (build_message_expr): Issue a warning if class method is desired
6257 but instance method is found instead.
6258 (conforms_to_protocol): Streamline.
6259 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6260 protocol Foo, even if 'Bar foo' does not.
6261 (check_protocols): Streamline.
6262 (start_protocol): Add checks for circular and duplicate protocol
6263 definitions.
6264 (encode_aggregate_within): For typedefs of structs, encode the
6265 underlying struct.
6266 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6267 (objc_declare_protocols): New prototype.
6269 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6271 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6272 * cpplex.c (handle_newline): Update prototype. Maintain logical
6273 line number.
6274 (skip_escaped_newlines, skip_block_comment, parse_string):
6275 Update accordingly.
6276 (_cpp_lex_token): Update, and store token position within the token.
6277 * cpplib.h (struct cpp_token): Add line and column entries.
6278 * cppmacro.c (replace_args): Position stringified tokens correctly.
6280 2001-08-01 Andreas Jaeger <aj@suse.de>
6282 * basic-block.h: Add prototype for last_loop_beg_note.
6284 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6286 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6287 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6288 comment.
6289 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6290 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6291 expand_decl_cleanup.
6292 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6293 the first RTX.
6294 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6295 operand while calling simple_cst_equal.
6296 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6297 operand is the cleanup expression, the third is the RTL_EXPR.
6298 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6300 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6302 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6304 2001-07-31 matthew green <mrg@eterna.com.au>
6306 * config.gcc (i386-*-netbsdelf): New description.
6307 * config/i386/netbsd-elf.h: New file.
6309 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6311 * loop.c (check_dbra_loop): Use single_set to compute
6312 jump_label.
6314 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6316 PowerPC reorg and support for powerpc64-*-linux*.
6318 Also fixes emitting of constants on 32 bit and 64 bit
6319 platforms.
6321 * config.gcc: powerpc64-*-linux* is a new target.
6322 Things that needed aix.h now also include xcoff.h
6324 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6325 xcoff.h.
6326 Move AIX specific stuff into aix.h.
6327 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6328 with more than just XCOFF now.
6329 (SET_ASM_OP): Remove, now defined where needed.
6330 (FUNCTION_PROLOGUE): New macro definition.
6331 (FUNCTION_EPILOGUE): New macro definition.
6332 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6334 * config/rs6000/xcoff.h: New file.
6336 * config/rs6000/linux64.h: New file.
6338 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6340 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6342 * rs6000.c (print_operand_address): Handle ELF syntax.
6343 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6344 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6345 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6347 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6349 * rs6000.c (rs6000_override_options): Only disable
6350 flag_function_sections for XCOFF.
6351 (exact_log2_cint_operand): New predicate.
6352 (reg_or_{add,sub}_cint64_operand): New predicates.
6353 (add_operand): Compare CONST_INT with fewer function calls.
6354 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6355 (print_operand, case 'p'): Ensure positive operand.
6356 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6357 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6358 (PREDICATE_CODES): Add new predicates.
6359 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6360 (divsi3, modsi3): Ensure positive power-of-2.
6361 (adddi3): Use new predicate. Split 32-bit constants more
6362 correctly. Re-arrange splitter to handle any constant.
6363 (subdi3): Use new predicate.
6364 (divdi3, moddi3): Ensure positive power-of-2.
6365 (movdi): Use rs6000_emit_set_const.
6366 (load_toc_v4_pic_di): Delete.
6368 2001-07-31 Graham Stott <grahams@redhat.com>
6370 * function.c (pad_below): Revert 2001-07-26 patch.
6372 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6374 * reg-stack (convert_regs_1): Fix best edge condition.
6376 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6378 * jump.c (duplicate_loop_exit_test): Better test for jumps
6379 entering the loop; create loop pre_header.
6381 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6383 * doc/install.texi: Add s390 and s390x as new targets.
6384 * doc/invoke.texi: Add documantation of S/390 and zSeries
6385 target options.
6386 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6388 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6390 * config/m68k/m68k.md: Replace all general_operand with
6391 nonimmediate_operand for all destinations.
6392 * config/m68k/m68k.c (not_sp_operand): Likewise.
6394 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6396 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6398 2001-07-30 Richard Henderson <rth@redhat.com>
6400 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6401 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6403 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6405 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6406 Add missing doc strings
6407 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6408 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6410 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6412 * i386.c (ix86_output_main_function_alignment_hack): New function.
6413 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6415 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6416 edges by EDGE_DFS_BACK flag.
6417 (dump_edge_info): Add dfs_back flag.
6418 * basic-block.h (EDGE_DFS_BACK): New constant.
6419 (mark_dfs_back_edges): Declare.
6420 * alias.c (loop_p): Remove.
6421 (mark_constant_function): Use mark_dfs_back_edges.
6423 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6424 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6425 (compensate_edge): Break out from ...
6426 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6427 (convert_regs_2): Set block_done once block is really done;
6428 Do updating of the predecesors counts.
6430 * toplev.c (rest_of_compilation): Recompute block_for_insn
6431 before post-reload cfg_cleanup.
6432 * function.c (thread_prologue_epilogue_insns):
6433 Call set_block_for_new_insns when emitting prologue directly.
6435 2001-07-30 Andreas Jaeger <aj@suse.de>
6437 * jump.c: Add prototype for mark_modified_reg.
6439 * cse.c (set_live_p): Add unused attribute.
6441 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6442 overflow.
6443 (scan_for_source_files): Use long for count to avoid overflow.
6444 (output_data): Likewise.
6445 (output_data): Don't use string concatatenation to silence gcc
6446 -traditional.
6448 * predict.c: Fix typos and grammar.
6450 * gcse.c (insert_insn_end_bb): Remove unused variables.
6452 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6454 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6455 (attempt_auto_inc): LIkewise.
6456 (mark_used_reg): Likewise.
6457 (try_pre_increment_1): Likewise.
6458 * regclass.c (regclass): Likewise.
6459 * global.c (allocno_compare): Update comment; change scaling factor.
6460 * local-alloc.c (QTY_CMP_PRI): Likewise.
6461 * regs.h (REG_FREQ_FROM_BB): New.
6462 (REG_FREQ_MAX): Likewise.
6464 2001-07-30 H.J. Lu <hjl@gnu.org>
6466 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6467 -D_GNU_SOURCE.
6469 2001-07-30 H.J. Lu (hjl@gnu.org)
6471 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6472 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6473 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6475 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6477 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6478 as -mthumb-interwork when -mcpu=arm7 is specified.
6480 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6482 * predict.def (noreturn, loop branch, loop exit): Mark as first
6483 match heuristics.
6485 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6487 * combine.c (try_combine): Avoid barrier after noop jumps.
6489 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6491 * cpphash.h (struct cpp_reader): Remove import_warning.
6492 * cpplib.c (skip_rest_of_line): Don't bother turning off
6493 macro expansion.
6494 (parse_include): Move include handling to...
6495 (do_include_common): ... here. Move import warning from...
6496 (do_import): ... here.
6497 (do_pragma_poison): Don't do a callback for poison identifiers.
6498 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6499 * cppmain.c (setup_callbacks): Similarly.
6501 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6503 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6504 handle multiple sets.
6505 * except.c (sjlj_mark_call_sites): .... here.
6506 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6508 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6510 Suggested by Richard Henderson and Richard Kenner:
6511 * combine.c (recog_for_combine): Use the fake recog
6512 only if instruction does not match.
6513 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6514 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6516 * combine.c (try_combine): Discover noop jump as direct jump.
6518 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6520 * df.c (df_rd_global_compute): Add successors to worklist, not
6521 current item.
6522 (df_ru_global_compute): Ditto.
6524 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6526 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6527 increment REG_N_SETS.
6529 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6531 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6533 * sbitmap.c (sbitmap_a_xor_b): New function.
6534 ifdef the basic block stuff on IN_GCC.
6536 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6538 * cppexp.c (parse_defined): Always record the macro name.
6539 (lex): Don't worry about identifiers, or special-case
6540 CPP_NOT here.
6541 (_cpp_parse_expr): Figure out at the end of the routine
6542 whether we saw a valid !defined() expression.
6543 * cppfiles.c (stack_include_file): Update for mi_valid.
6544 (_cpp_pop_file_buffer): Similarly.
6545 * cpplex.c (_cpp_lex_token): Similarly.
6546 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6547 mi_if_not_defined, mi_lexed): Remove.
6548 (mi_valid): New.
6549 * cpplib.c (do_if): Simplify.
6550 (do_endif, push_conditional, _cpp_handle_directive): Update
6551 for renaming of mi_state to mi_valid.
6552 doc:
6553 * cpp.texi: Add index entries for digraphs, and add comment
6554 that C++ refers to them as alternative tokens.
6556 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6558 * basic-block.h (CLEANUP_PRE_LOOP): New.
6559 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6560 * sibcall.c (optimize_sibling_calls): Likewise.
6561 * toplev.c (rest_of_compilation): Likewise.
6562 * flow.c (try_forward_edges): Take argument MODE;
6563 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6564 (try_optimize_cfg): Update call of try_forward_edges.
6566 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6567 Jan Hubicka <jh@suse.cz>
6569 * (validate_replace_rtx_1): Fix simplification of MINUS.
6571 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6573 PR preprocessor/3669
6574 * cppinit.c (init_dependency_output): Turn off dump requests
6575 if sending dependencies to stdout.
6577 2001-07-28 Richard Henderson <rth@redhat.com>
6579 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6580 not optimizing.
6582 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6584 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6586 2001-07-28 Kazu Hirata <kazu@hxi.com>
6588 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6589 is VAR_DECL first to prevent an ICE.
6591 2001-07-28 Richard Henderson <rth@redhat.com>
6593 * varasm.c (immed_real_const_1): Don't elide special cases for
6594 nested functions.
6595 (clear_const_double_mem): Clear const_tiny_rtx too.
6597 2001-07-28 Richard Henderson <rth@redhat.com>
6599 * dwarf2out.c (dw_val_class_offset): New.
6600 (struct dw_ranges_struct, dw_ranges_ref): New.
6601 (ranges_table, ranges_table_allocated): New.
6602 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6603 (add_AT_offset, add_ranges, output_ranges): New.
6604 (print_die, output_die): Handle dw_val_class_offset.
6605 (attr_checksum, size_of_die, value_format): Likewise.
6606 (gen_lexical_block_die): Handle non-contiguous blocks.
6607 (gen_block_die): Likewise.
6608 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6609 if needed. Dump the ranges table.
6610 * final.c (final_start_function): Remove unnecessary notes and
6611 rebuild the block tree before numbering the blocks.
6612 * function.c (reorder_blocks_0): Walk the existing block tree
6613 to unmark all blocks.
6614 (reorder_blocks_1): Create block fragments when duplicate block
6615 notes are seen.
6616 (reorder_fix_fragments): New.
6617 (reorder_blocks): Call it.
6618 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6620 2001-07-28 Richard Henderson <rth@redhat.com>
6622 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6624 2001-07-28 Richard Henderson <rth@redhat.com>
6626 * flow.c (add_to_mem_set_list): New function.
6627 (init_propagate_block_info): Use it.
6628 (mark_set_1): Likewise.
6629 (insn_dead_p): Canonicalize memory address for dead store
6630 comparison. Allow wider mode stores to kill narrower mode stores.
6631 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6632 (invalidate_mems_from_set): Don't handle MEMs.
6634 2001-07-28 Kazu Hirata <kazu@hxi.com>
6636 * config/h8300/h8300.h: Fix formatting.
6638 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6640 * basic-block.h (EDGE_FREQUENCY): New macro.
6641 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6642 for new BB/edges.
6643 * flow.c (find_sub_basic_blocks): Likewise.
6644 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6645 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6647 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6648 (HITRATE): New macro.
6649 (PRED_FLAG_FIRST_MATCH): New constant.
6650 (predictor_info): New field flgags.
6651 (combine_predictions_for_insn): Use DS theory to combine
6652 probabilities; set the edge probabilities when finished.
6653 (estimate_probability): Avoid duplicated matches
6654 of LOOP_BRANCH heuristics for nested loops; update comment.
6655 * predict.def: Add flags for each prediction, set probabilities
6656 according to B&L paper.
6657 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6659 * profile.c (compute_branch_probabilities): Cleanup way the edge
6660 probabilities are computed and REG_BR_PROB notes are dropped; if
6661 values does not match, emit error.
6662 (init_branch_prob): Do error instead of warning when profile driven
6663 feedback is missing or corrupt.
6665 2001-07-27 DJ Delorie <dj@redhat.com>
6667 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6668 against a constant, try to adjust the compare to have the desired
6669 constant in it so that min/max optimizations happen more often.
6671 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6673 * flow.c (last_loop_beg_note): New function.
6674 (redirect_edge_and_branch): Use it.
6675 (split_edge): Likewise.
6677 * alias.c (loop_p): Avoid uninitialized memory access.
6679 * flow.c (try_forward_edges): Avoid accessing freed memory.
6681 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6682 variable access.
6684 2001-07-26 Andrew Haley <aph@redhat.com>
6685 Joern Rennecke <amylaar@redhat.com>
6687 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6688 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6689 (SUBTARGET_CPP_SPEC): New.
6690 (CPP_SPEC): Remove.
6691 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6692 (SUBTARGET_CPP_PTR_SPEC): New.
6693 (CPP_DEFAULT_CPU_SPEC): New.
6694 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6695 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6696 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6697 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6698 (SUBTARGET_CPP_SPEC): Define as an empty string.
6700 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6702 * doc/install.texi (Configuration): Properly link the host
6703 specific instructions also when generating HTML.
6705 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6707 * flow.c (redirect_edge_and_branch_force): Test
6708 target->global_live_at_start.
6710 2001-07-26 Richard Henderson <rth@redhat.com>
6712 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6713 * rtl.h (avoid_constant_pool_reference): Declare it.
6714 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6715 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6717 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6719 * rtl.h (cleanup_barriers): Declare.
6720 * jump.c (cleanup_barriers): New function.
6721 * toplev.c (rest_of_compilation): Call cleanup_barriers
6722 before loop optimizer and after bb_reorder.
6724 * flow.c (back_edge_of_syntactic_loop_p): New.
6725 (split_edge): Use it.
6727 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6729 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6731 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6733 * cse.c (cse_process_notes): Replace any registers if the address
6734 remains valid.
6736 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6738 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6739 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6740 (propagate_block): Update prototype.
6741 * flow.c (update_life_info): Simplify the CFG and
6742 recalculate the global regs which are alive when
6743 removing dead code during a global update.
6744 (propagate_block): Return non-zero if an INSN is
6745 deleted.
6747 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6749 * Makefile.in (LIBICONV): Define.
6751 2001-07-26 Catherine Moore <clm@redhat.com>
6753 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6754 of conditional to avoid tree checking errors.
6756 2001-07-26 Kazu Hirata <kazu@hxi.com>
6758 * regmove.c (regmove_optimize): Don't replace a reg with
6759 another reg of a different mode.
6761 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6763 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6764 limit length of dependancy flush list.
6765 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6766 * sched-int.h (struct deps): Add pending_flush_length field.
6767 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6768 has 1 element in it.
6769 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6770 (sched_analyze): After a jump, if the pending memory flush list is too
6771 large, flush the pending lists.
6772 (init_deps): Initialize pending_flush_length to 0.
6773 * doc/invoke.texi (max_pending_list_length): Document parameter.
6775 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6777 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6778 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6779 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6781 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6783 * cpphash.h (struct_lexer_state): Delete was_skipping.
6784 Move skipping here from struct cpp_reader.
6785 * cpplex.c (parse_identifier): Update.
6786 (_cpp_lex_token): Don't skip tokens in a directive.
6787 * cpplib.c (struct if_stack): Update.
6788 (start_directive, end_directive): Don't change skipping state.
6789 (_cpp_handle_directive): Update.
6790 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6791 (do_else, do_endif): Update; only check for excess tokens if not
6792 in a skipped conditional block.
6793 (push_conditional): Update for new struct if_stack.
6795 2001-07-26 Graham Stott <grahams@redhat.com>
6797 * function.c (locate_and_pad_parm): Also pad initial offset
6798 so that the total argument size also includes the padding.
6800 2001-07-26 Graham Stott <grahams@redhat.com>
6802 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6803 change XSTR to XTMPL.
6805 (process_one_cond_exec): Likewise
6807 2001-07-25 Richard Henderson <rth@redhat.com>
6809 * varasm.c (assemble_variable): Create DECL_RTL before setting
6810 TREE_ASM_WRITTEN.
6812 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6814 * predict.c (estimate_probability): Avoid duplicated predictions.
6816 * loop.c (find_and_verify_loops): Grok multiple barriers.
6818 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6820 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6822 * dbxout.c: Consistently use putc instead of fputc.
6823 (print_wide_int): New function; call instead of direct fprintf.
6824 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6825 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6826 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6827 (print_int_cst_octal): Likewise.
6828 (print_octal): Show we wrote characters.
6829 (dbxout_type): Set have_used_extensions in more places.
6831 2001-07-25 Catherine Moore <clm@redhat.com>
6833 * config/v850/v850.c (v850_va_arg): Use addr
6834 instead of valist to build incr.
6836 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6838 * flow.c (delete_dead_jumptables): New function.
6839 (life_analyzis): Call it.
6840 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6841 sequences.
6843 2001-07-25 Richard Henderson <rth@redhat.com>
6845 * except.c (reachable_handlers): Handle a region being removed
6846 out from under a RESX.
6848 2001-07-25 Richard Henderson <rth@redhat.com>
6850 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6851 swap GE/GT if it is an fp comparison.
6853 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6855 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6856 operands.
6858 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6860 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6861 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6862 glitch.
6864 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6865 throw an exception.
6866 (visit_expression): When attempting to simplify an expression,
6867 retrieve any modes for arguments before they are simplified
6868 to constants.
6870 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6871 Janis Johnson <janis@us.ibm.com>
6873 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6874 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6875 pointer parameters to match documented usage of nonlocal_goto.
6876 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6877 parameters to their correct order.
6878 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6879 parameters to their correct order.
6881 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6883 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6885 2001-07-25 Jan Hubicka <jh@suse.cz>
6886 Richard Henderson <rth@redhat.com>
6888 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6889 the sequence.
6890 (make_edges): New argument update_p; populate the edge cache if set.
6891 (find_basic_blocks): Update make_edges invocation.
6893 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6895 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6897 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6899 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6900 -Acpu and -Amachine.h.
6901 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6902 Corrected header to say ELF not a.out.
6903 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6904 when given -msoft-float.
6906 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6908 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6909 extra multilib parts like arm-elf.
6910 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6911 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6912 crtfini.o as extra multilib parts.
6914 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6916 * configure.in: Add rtems as a supported thread model.
6917 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6918 * configure: Rebuilt.
6920 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6922 * stor-layout.c (get_mode_alignment): make it work when
6923 BITS_PER_UNIT is not a power of two.
6924 * builtins.c (get_pointer_alignment): Likewise.
6926 2001-07-24 Richard Henderson <rth@redhat.com>
6928 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6929 the retrieved constant into the expected mode.
6931 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6933 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6934 (verify_flow_info): Check for duplicated edges; clarify
6935 error reporting.
6937 * flow.c (block_label): Update basic_block_for_insn.
6938 (commit_edge_insertions): Call compute_bb_for_insn.
6940 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6941 returns too.
6943 * flow.c (redirect_edge_and_branch,
6944 try_optimize_cfg): Use redirect_edge_succ_nodup
6945 (redirect_edge_succ_nodup): New.
6946 * basic_block.h (redirect_edge_succ_nodup): Declare.
6948 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6949 after gcse.
6951 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6953 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6954 (try_crossjump_to_edge): Update commetns.
6955 (try_crossjump_bb): Likewise.
6957 2001-07-24 Richard Henderson <rth@redhat.com>
6959 * combine.c (distribute_notes): Move set of need_refresh
6960 for noop_move_p down to catch all cases.
6962 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6964 * recog.c (split_all_insns_noflow): New.
6965 * rtl.h (split_all_insns_noflow): Declare.
6966 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6967 * m68hc11.c (m68hc11_reorg): Likewise.
6968 * sh.c (machine_dependent_reorg): Likewise.
6969 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6970 call.
6972 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6974 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6975 (ashlsi3_n splitter): Likewise.
6976 (lshrsi3_n splitter): Likewise.
6978 (GOTaddr2picreg): Make const SImode.
6979 (sym_label2reg): Likewise.
6980 (symGOT2reg): Likewise.
6981 (symGOTOFF2reg) Likewise.
6983 (casesi_worker_0): Make unspec SImode.
6985 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6987 * config/sh/sh.c (barrier_align): Check that an operand really is
6988 an insn before extracting its INSN_CODE.
6990 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6992 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6993 dangling else.
6995 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6996 for SImode to prevent overflow.
6998 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7000 * config/mips/irix6-libc-compat.c: New file.
7001 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
7002 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
7003 passing workaround.
7005 2001-07-24 lars brinkhoff <lars@nocrew.org>
7007 * rtl.texi (REG_POINTER): Document.
7008 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
7009 QFmode, HFmode, TQFmode, QCmode, and HCmode.
7011 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7013 * flow.c (delete_noop_moves): Do not confuse libcall regions.
7015 2001-07-23 Richard Henderson <rth@redhat.com>
7017 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
7019 2001-07-23 Kazu Hirata <kazu@hxi.com>
7021 * config/h8300/h8300-protos.h: Add a prototype for
7022 general_operand_dst_push.
7023 * config/h8300/h8300.c (general_operand_dst_push): New.
7024 * config/h8300/h8300.h (OK_FOR_T): New.
7025 (EXTRA_CONSTRAINT): Use it.
7026 * config/h8300/h8300.md (movqi_push): Remove and integrate into
7027 the existing movqi pattern.
7028 (movhi_push): Likewise.
7030 * reload.c: Fix comment typos.
7032 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
7034 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
7036 2001-07-23 H.J. Lu (hjl@gnu.org)
7038 * doc/extend.texi: Update __builtin_return_address and
7039 __builtin_frame_address.
7041 2001-07-23 Richard Henderson <rth@redhat.com>
7043 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
7044 before CSE.
7045 * config/i386/i386.md: New setcc+movzbl peephole2.
7047 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7049 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
7050 * objc/objc-act.c: Include debug.h.
7051 (synth_module_prologue): Save and restore debug hooks too.
7053 2001-07-23 lars brinkhoff <lars@nocrew.org>
7055 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
7056 and C4X_FLOAT_FORMAT.
7057 (BOOL_TYPE_SIZE): Document.
7059 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
7061 * unroll.c (loop_iterations): Fix miscalculation of initial
7062 giv offset.
7064 2001-07-13 Andrew Haley <aph@redhat.com>
7066 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
7067 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
7068 * config/sh/sh.c (sh_can_redirect_branch): New function.
7069 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
7070 * reorg.c (steal_delay_list_from_target): Use
7071 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
7073 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7075 * flow.c (try_simplify_condjump): Unlink insn chain on
7076 fallthru edge; use can_fallthru.
7078 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
7080 * basic-block.h (find_sub_basic_block): Declare.
7081 * flow.c (make_edges): New arguments MIN and MAX;
7082 (find_sub_basic_blocks): Revamp to use make_edges
7083 and purge_dead_edges.
7084 (find_basic_blocks): Update call of find_sub_basic_block.
7086 * recog.c (split_all_insns): Always expect CFG to be consistent;
7087 call find_sub_basic_blocks in case something has changed.
7088 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
7089 has been built.
7091 * basic-block.h (delete_noop_moves): Declare.
7092 * combine.c (combine_instructions): Call it.
7093 (recog_for_combine): Tolerate noop moves
7094 (distribute_notes): Force refresh when register dies at noop move.
7095 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
7096 too.
7097 (life_analysis): Update delete_noop_moves call.
7098 (set_noop_p): Move too ...
7099 * rtlanal.c (noop_move_p): ... here.
7100 * rtl.h (noop_move_p): Declare.
7102 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
7103 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
7104 after combine.
7105 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
7106 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
7108 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
7110 * reload.c (push_reload): Fix typo in comment.
7111 (find_reloads_address): Ditto.
7112 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
7114 2001-07-22 Richard Henderson <rth@redhat.com>
7116 * flow.c: Grammar check and clarify a lot of comments.
7117 (try_simplify_condjump): Rename variables to be clearer.
7118 (try_forward_edges): Skip complex and fallthru edges.
7119 Rearrange tests to avoid duplicate checks.
7120 (flow_find_cross_jump): Likewise.
7121 (outgoing_edges_match): Allow match if neither branch has
7122 probability data. Loosen probability match to 5%.
7123 (try_crossjump_to_edge): Hoist repeated indirection into
7124 local variables.
7125 (try_crossjump_bb): Don't check complex edges. Eliminate
7126 redundant crossjump tests.
7127 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
7128 checks before more expensive checks.
7130 2001-07-22 Richard Henderson <rth@redhat.com>
7132 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
7133 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
7134 arguments.
7136 2001-07-22 Richard Henderson <rth@redhat.com>
7138 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
7139 (const_sint32_operand): Likewise.
7140 * m68k.md (anon mulsi pattern): Use const_int_operand not
7141 const_sint32_operand.
7142 (umulsi3_highpart): Zero extend a constant input.
7143 (smulsi3_highpart): Don't bother checking SImode constant.
7144 (const_umulsi3_highpart): Give op3 DImode.
7145 (const_smulsi3_highpart): Likewise.
7147 2001-07-22 Richard Henderson <rth@redhat.com>
7149 * flow.c (split_block): Make sure bb_note is included in the
7150 new block when splitting before a label.
7152 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
7154 * basic-block.h (redirect_edge_and_branch_force,
7155 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
7156 * flow.c (redirect_edge_and_branch_force,
7157 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
7158 (redirect_edge_and_branch_force): Fix copying of lifeness information.
7159 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
7160 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
7161 instead of label; update CFG after transformation.
7162 (find_if_case_1): Update call, use redirect_edge_and_branch_force
7163 for finishing the transformation; handle even case where ELSE
7164 does not follow THEN.
7165 (find_if_case_2): Update call of dead_or_predictable; simplify
7166 CFG update.
7168 * emit-rtl.c (split_branch_probability): New global variable.
7169 (try_split): Take care to set split_branch_probability and
7170 create REG_BR_PROB note for new jump insns.
7171 * md.texi (define_split): Document new feature.
7173 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
7175 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7177 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7178 (asm_out_file): Remove redundant declaration.
7179 (assemble_asm): Remove old #if 0 block.
7180 (assemble_variable): Remove end of function; debug output is
7181 now handled with global_decl. Remove old #if 0 block. Update.
7182 Remove saved_in_section and associated no-op code.
7183 * Makefile.in (varasm.o): Correct dependencies.
7185 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7187 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7188 the definition in defaults.h.
7190 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7192 * jump.c: Update comments.
7193 (delete_barrier_successors, delete_unreferenced_labels,
7194 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7195 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7196 jump_optimize, jump_optimize_minimal): Kill.
7197 (rebuild_jump_labels): Move code from jump_optimize_1.
7198 (purge_line_number_notes): Likewise.
7199 (copy_loop_headers): Likewise.
7200 * reg-stack.c: Update comment.
7201 * stmt.c: Likewise.
7202 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7203 JUMP_AFTER_REGSCAN): Kill.
7204 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7205 purge_line_number_notes and copy_loop_headers.
7207 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7208 Richard Henderson <rth@redhat.com>
7210 * dbxout.c (dbxout_global_decl): New.
7211 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7212 * sdbout.c (sdbout_finish): New.
7213 (sdbout_debug_hooks): Use it, add comments.
7214 (sdbout_global_decl): Defer initialised public vars to
7215 sdbout_finish.
7216 * varasm.c (assemble_variable): Don't output debug information
7217 for file-scope variables.
7219 2001-07-22 Richard Henderson <rth@redhat.com>
7221 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7222 (get_round_mode_suffix): New.
7223 (print_operand): Use them for [/]. Remove support for [&'`()+].
7224 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7225 * config/alpha/alpha.md (attr round_suffix): New.
7226 (attr trap_suffix): New.
7227 (all insns): Set them appropriately. Use %/ instead of the
7228 myriad punctuators.
7230 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7232 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7234 2001-07-22 Richard Henderson <rth@redhat.com>
7236 * regrename.c (regrename_optimize): Compute nregs for each
7237 potential target register.
7239 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7240 Richard Henderson <rth@redhat.com>
7242 * dbxout.c (dbxout_global_decl): New.
7243 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7244 * sdbout.c (sdbout_finish): New.
7245 (sdbout_debug_hooks): Use it, add comments.
7246 (sdbout_global_decl): Defer initialised public vars to
7247 sdbout_finish.
7248 * varasm.c (assemble_variable): Don't output debug information
7249 for file-scope variables.
7251 2001-07-21 H.J. Lu (hjl@gnu.org)
7253 * config/mips/mips.c (mips_cpu): Moved into ...
7254 (override_options): Here.
7256 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7257 mips_tune.
7258 (mips_cpu): Removed.
7260 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7262 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7263 ("iorqi3"): Likewise.
7264 ("xorqi3"): Likewise.
7265 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7266 ("*subhi3_sp): Likewise.
7267 ("*subhi3"): Likewise.
7268 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7269 reload problems.
7271 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7273 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7274 * config/freebsd.h: Likewise.
7275 * config/linux.h: Likewise.
7276 * config/openbsd.h: Likewise.
7277 * config/alpha/linux-elf.h: Likewise.
7278 * config/arm/linux-elf.h: Likewise.
7279 * config/d30v/d30v.h: Likewise.
7280 * config/fr30/fr30.h: Likewise.
7281 * config/ia64/aix.h: Likewise.
7282 * config/ia64/ia64.h: Likewise.
7283 * config/mips/linux.h: Likewise.
7284 * config/pj/pj.h: Likewise.
7285 * config/rs6000/linux.h: Likewise.
7286 * config/sparc/linux.h: Likewise.
7287 * config/sparc/linux64.h: Likewise.
7289 2001-07-20 Bruce Korb <bkorb@gnu.org>
7291 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7292 because getc() and char* may disagree on signedness.
7294 2001-07-20 Richard Henderson <rth@redhat.com>
7296 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7298 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7299 insns to delete in the presence of cc0 in a jump insn.
7301 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7302 Jan Hubicka <jh@suse.cz>
7304 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7305 of doing the change by hand.
7307 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7309 * rtlanal.c (set_noop_p): Return true for noop jumps.
7311 * expr.c (emit_single_push_insn): Add call to push expander.
7312 * expr.h (optab_index): Add OTI_push
7313 (push_optab): New constant.
7314 * genopinit.c (optabs): Add push_optab.
7315 * optabs.c (init_optab): Init push optab.
7316 * md.texi (push??1): Document
7318 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7320 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7321 expand to emit the pattern; put a REG_INC note for push/pop
7322 instructions.
7323 ("movdf", "movdf_internal"): Likewise.
7324 ("movsi", "movsi_internal"): Likewise.
7325 ("movsf", "movsf_internal"): Likewise.
7326 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7328 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7330 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7331 gen_highpart.
7333 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7335 * params.def: Change default max inline insns to 100.
7337 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7339 * combine.c (combine_simplify_rtx): Generate a new shift operation
7340 when simplifying the first operand of a (neg (ashift)) expression.
7342 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7344 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7346 2001-07-20 Kelley Cook <kelley.cook@home.com>
7348 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7349 information. Move rest into ...
7350 (*-*-solaris): ... here. Eliminate redundant information and
7351 reword necessary packages section. Delete 4.x assembler bug info.
7352 (sparc-sun-*): Merge into ...
7353 (sparc-sun-sunos*): here.
7355 2001-07-20 Catherine Moore <clm@redhat.com>
7357 * config/v850/v850.md (casesi): Generate LABEL_REF
7358 with Pmode.
7360 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7362 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7363 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7364 * i386.md (strclrsi expander): Use it.
7366 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7368 * integrate.c (copy_insn_list): handle
7369 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7370 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7371 identically as to CODE_LABEL.
7373 * fold-const (fold): Convert A/B/C to A/(B*C) and
7374 A/(B/C) to (A/B)*C
7376 * except.c (connect_post_landing_pads): Delete the RESX insns.
7378 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7380 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7382 * config/mips/mips.md (nmadd/nmsub): Use macro.
7384 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7386 * cppinit.c (remove_dup_dir): Make static.
7387 (remove_dup_dirs): Make static. Only warn about preempting a
7388 system directory with a non-system directory.
7390 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7392 * ifcvt.c (noce_try_store_flag_constants): Correct order
7393 of parameters to trunc_int_for_mode.
7395 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7397 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7398 an exception that will be caught within this function, do not fill
7399 its delay slot with any subsequent instruction.
7401 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7403 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7404 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7405 pointer extension instruction.
7406 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7407 * simplify-rtx.c (simplify_unary_operation) Likewise.
7408 * explow.c (convert_memory_address) Check value of
7409 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7410 less than zero.
7411 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7412 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7413 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7414 Add Multilib Support.
7415 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7416 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7417 Add Multilib Support.
7418 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7419 support.
7420 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7421 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7422 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7424 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7426 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7427 old and new operands in `<', `3' and `b'.
7429 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7431 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7432 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7433 (toplev.o): Don't depend on xcoffout.h.
7434 * c-decl.c: Include debug.h
7435 (duplicate_decls): Use debug hook.
7436 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7437 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7438 (dbxout_types): Remove.
7439 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7440 * debug.c (do_nothing_debug_hooks): Update.
7441 (debug_true_tree, debug_nothing_rtx): New.
7442 * debug.h (struct rtx_def): New.
7443 (struct gcc_debug_hooks): New hooks ignore_block,
7444 outlining_inline_function and label.
7445 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7446 dwarf2out_frame_finish): New.
7447 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7448 Make static, update prototype.
7449 (dwarf2_debug_hooks): Update.
7450 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7451 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7452 * dwarfout.c (dwarf_debug_hooks): Update.
7453 * emit-rtl.c: Include debug.h.
7454 (remove_unnecessary_notes): Use debug hook.
7455 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7456 (final_scan_insn): Use debug hook.
7457 * integrate.c (output_inline_function): Use debug hook.
7458 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7459 (sdb_debug_hooks): Update.
7460 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7461 * toplev.c: Don't include xcoffout.h.
7462 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7463 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7464 Remove.
7465 * tree.h (dwarf2out_do_frame): Remove.
7467 2001-07-19 Catherine Moore <clm@cygnus.com>
7469 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7471 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7473 * reload1.c (eliminate_regs_in_insn): When updating a set
7474 to the frame pointer to the hardware frame pointer, perform
7475 the update always not just when REPLACE is set.
7477 * reload1.c (choose_reload_regs): Don't inherit a reload
7478 that crosses multiple registers if registers past the first
7479 don't fit in the desired class.
7481 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7482 when negating constants.
7484 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7486 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7487 * doc/tree.texi: Ditto.
7489 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7490 Jakub Jelinek <jakub@redhat.com>
7492 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7493 (extract_cie_info): Handle "eh" augmentation properly,
7494 remember eh_ptr.
7495 (struct frame_state, __frame_state_for): New.
7497 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7499 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7500 HANDLE_SYSV_PRAGMA): Define.
7501 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7502 previous args.
7503 (copy_object): Caller changed.
7505 2001-07-19 Andreas Schwab <schwab@suse.de>
7507 * configure.in (assembler dwarf2 debug_line support): Define nop
7508 insn for m68k.
7509 * configure: Regenerated.
7511 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7513 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7514 dwarfout.h.
7515 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7516 to conditionally compiled block.
7517 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7518 * dbxout.h (dbxout_function): Remove.
7519 * debug.c (do_nothing_debug_hooks): Update.
7520 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7521 global_decl, deferred_inline_function.
7522 * dwarf2out.c (dwarf2_debug_hooks): Update.
7523 (dwarf2out_global_decl): New.
7524 * dwarfout.c: Don't include dwarfout.h.
7525 (dwarfout_global_decl, dwarfout_function_decl,
7526 dwarfout_deferred_inline_function): New.
7527 (dwarf_debug_hooks): Update.
7528 * dwarfout.h: Remove.
7529 * final.c: Don't include dwarfout.h.
7530 * sdbout.c (sdbout_global_decl): New.
7531 (sdbout_debug_hooks): Update.
7532 * toplev.c: Don't include dwarfout.h.
7533 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7534 (note_deferral_of_defined_inline_function): Remove.
7535 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7536 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7537 * ch/lex.c: Don't include dwarfout.h.
7538 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7539 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7540 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7541 * cp/optimize.c: Include debug.h.
7542 (maybe_clone_body): Use debug hook.
7543 * cp/semantics.c: Include debug.h.
7544 (expand_body): Use debug hook.
7545 * po/POTFILES.in: Remove dwarfout.h.
7547 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7549 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7550 * c-parse.in (yyerror, _yylex): Similarly.
7551 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7552 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7553 Update comments.
7554 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7555 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7557 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7559 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7560 in-class declaration at -g1. Fixes c++/2814.
7562 2001-07-18 Richard Henderson <rth@redhat.com>
7564 * doc/md.texi (reload_in/out): Document restrictions in predicates
7565 and constraints for these patterns. Document empty string matching
7566 ALL_REGS.
7568 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7570 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7572 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7574 * cse.c: Undo my previous patch.
7576 2001-07-18 Tom Tromey <tromey@redhat.com>
7578 For PR java/2812:
7579 * configure: Rebuilt.
7580 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7581 instead.
7582 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7584 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7585 Jan Hubicka <jh@suse.cz>
7587 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7588 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7589 * jump.c (mark_jump_label): Do not forward branches.
7591 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7593 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7594 when return value is unused.
7596 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7598 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7600 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7602 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7603 on error. We can't blindly return the result of
7604 pthread_mutex_trylock because it returns a positive number on
7605 error, while we must return -1 on error.
7606 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7607 fixes.
7608 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7610 2001-07-18 Andreas Jaeger <aj@suse.de>
7612 * integrate.c (output_inline_function): Correct type of debug_hooks.
7614 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7616 * combine.c (combine_simplify_rtx): DIV can be treated
7617 associatively for floats if unsafe math optimisations are enabled.
7619 2001-07-17 Richard Henderson <rth@redhat.com>
7621 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7623 2001-07-17 Richard Henderson <rth@redhat.com>
7625 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7626 don't force the function address into a register.
7627 (expand_call, emit_library_call_value_1): Update callers.
7628 * builtins.c (expand_builtin_apply): Likewise.
7629 * expr.h (prepare_call_address): Update decl.
7631 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7633 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7634 config directory.
7635 * config/i386/chorus.h: Move up.
7636 * config/sparc/chorus.h: Likewise.
7637 * config/rs6000/chorus.h: Likewise.
7638 * config/chorus.h: Moved here.
7640 2001-07-17 Andreas Schwab <schwab@suse.de>
7642 * configure.in (assembler eh_frame optimization): Handle big
7643 endian.
7644 * configure: Regenerated.
7646 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7648 * expr.c (epxand_expr): Convert divisions into multiplications by
7649 reciprocals if -ffast-math.
7651 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7653 * dbxout.c (dbxout_really_begin_function): Rename to
7654 dbxout_begin_function.
7655 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7656 (dbxout_begin_function): Remove.
7657 (dbxout_function): Update.
7658 (dbxout_source_line): Update prototype.
7659 * dbxout.h (dbxout_begin_function): Remove.
7660 * debug.c (do_nothing_debug_hooks): Update.
7661 (debug_nothing_tree): Update.
7662 (debug_nothing_charstar_rtx): Remove.
7663 * debug.h (union tree_node): Declare.
7664 (struct rtx_def): Remove.
7665 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7666 begin_function. Change source_line prototype.
7667 (debug_nothing_tree): New.
7668 (debug_nothing_charstar_rtx): Delete.
7669 (dwarf2out_begin_prologue): Moved from ...
7670 * tree.h: ... here.
7671 * dwarf2out.c (dwarf2_debug_hooks): Update.
7672 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7673 debug info, call dwarf2out_source_line.
7674 (dwarf2out_souce_line): Update prototype.
7675 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7676 Change prototype, make static.
7677 (dwarfout_source_line): Update prototype.
7678 (dwarf_debug_hooks): Update.
7679 * dwarfout.h (dwarfout_begin_function): Remove.
7680 * final.c (final_start_function, final_scan_insn): Use appropriate
7681 debug hooks, update to use notice_source_line.
7682 (output_source_line): Rename notice_source_line. Don't call the
7683 source_line debug hook.
7684 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7685 make static, update prototype.
7686 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7687 prototype.
7688 (sdbout_end_prologue): New.
7689 (sdbout_source_line): Update prototype.
7690 (sdbout_debug_hooks): Update.
7691 (sdbout_symbol): Remove unused var.
7692 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7693 Delete.
7694 * varasm.c: Include debug.h.
7695 (assemble_start_function): Use begin_function debug_hook.
7696 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7697 update with prototype.
7698 (xcoffout_source_line): Update prototype.
7699 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7700 update prototype.
7701 (xcoffout_source_line): Update prototype.
7703 2001-07-17 Richard Henderson <rth@redhat.com>
7705 * c-typeck.c (build_binary_op): Do not shorten unsigned
7706 right shift after sign extension.
7708 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7710 * combine.c (combine_simplify_rtx): Attempt to simplify
7711 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7713 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7714 (simplify_binary_operation, simplify_unary_operation,
7715 simplify_relational_operation): Use it.
7717 * combine.c (combine_simplify_rtx): Don't do associative law
7718 on divisions; allow associative law on floats.
7720 2001-07-17 H.J. Lu <hjl@gnu.org>
7721 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7723 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7724 ASM_OUTPUT_WEAK_ALIAS are defined.
7725 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7726 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7727 Moved ...
7728 * config/mips/iris5.h: ... here.
7729 (HANDLE_SYSV_PRAGMA): Defined as 1.
7730 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7731 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7732 symbol.
7734 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7736 * c-parse.in (all_prefix_attributes): New variable.
7737 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7738 (maybe_resetattrs): New production.
7739 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7740 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7741 notype_initdcl, nested_function, notype_nested_function,
7742 component_decl, components, components_notype,
7743 component_declarator, component_notype_declarator,
7744 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7745 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7746 after a comma being applied to more than one declarator.
7747 * doc/extend.texi (Attribute Syntax): Update. Remove
7748 documentation of bugs that are no longer present.
7750 2001-07-13 Eric Christopher <echristo@redhat.com>
7752 * config/mips/mips.h: Change TUNE_MIPS* options to use
7753 mips_tune.
7754 (EXTRA_SPECS): Add cc1_cpu_spec.
7755 * config/mips/mips.md (muldf3): Fix typo.
7757 2001-07-16 Richard Henderson <rth@redhat.com>
7759 * config/m68k/m68k.c: Include expr.h and reload.h.
7760 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7761 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7763 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7764 Richard Henderson <rth@redhat.com>
7766 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7767 (insn_live_p): Fix fall off end of function.
7768 (dead_libcall_p): Remove COUNTS argument; update callers.
7769 (delete_trivially_dead_insns): Remove unused variables.
7771 2001-07-17 Andreas Jaeger <aj@suse.de>
7773 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7774 x86-64 pic support.
7776 * lcm.c (optimize_mode_switching): Avoid warning for unused
7777 variable if !NORMAL_MODE.
7779 * flow.c (try_crossjump_to_edge): Remove unused variable.
7781 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7783 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7784 atexit declaration in stdlib.h.
7786 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7788 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7790 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7792 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7793 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7794 do rebuild_jump_labels instead of jump_optimize
7795 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7796 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7797 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7799 * flow.c: Include timevar.h
7800 (find_basic_block): Push/pop timevar;
7801 (cleanup_cfg): Likewise.
7802 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7803 * Makefile: Add dependencies on timevar.h
7805 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7806 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7808 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7809 * toplev.c (rest_of_compilation): Update calls.
7810 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7811 (delete_trivially_dead_insns): ... here; accept new argument
7812 preserve_basic_blocks; preserve basic blocks if set.
7814 * reg-stack.c (stack_regs_mentioned): Return 0 if
7815 stack_regs_mentioned_data is not initialized.
7816 (reg_to_stack): Make stack_regs_mentioned survive after the
7817 reg-stack is completted; do not call cleanup_cfg.
7818 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7819 make cleanup_cfg after bb-reorder to output to debug file.
7821 2001-07-16 Richard Henderson <rth@redhat.com>
7823 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7824 from int_reg_class_contents.
7826 2001-07-16 Richard Henderson <rth@redhat.com>
7828 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7829 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7830 (init_reg_sets_1): Move initialization from cse_main.
7831 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7832 (cse_main): Move its initialization also.
7833 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7834 * flow.c (propagate_one_insn): Likewise.
7835 * gcse.c (compute_hash_table): Likewise.
7836 (compute_kill_rd, compute_store_table): Likewise.
7837 * sched-deps.c (sched_analyze_1): Likewise.
7839 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7841 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7842 gen_rtx_SET.
7844 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7846 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7847 in if statement so we don't access undefined memory.
7849 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7851 * gcse.c: Update comment at top.
7852 Update comment on mem handling.
7853 mem_last_set, mem_first_set, mem_set_in_block: gone.
7854 Declaration of reg_set_info: gone.
7855 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7856 pointless with load_killed_in_block_p (they are *more*
7857 conservative then it, not less, and less accurate).
7858 (oprs_not_set_p): Ditto.
7859 (alloc_gcse_mem): Don't allocate mem_set_in_block
7860 (free_gcse_mem): Don't free it, either.
7861 (record_last_mem_set_info): Update comment in front, remove
7862 mem_*set_* stuff. Note the reason we don't handle stores directly
7863 here.
7864 (compute_hash_table): Update comments to reflect reality. Remove
7865 mem_*set_* references.
7866 (reset_opr_set_tables): Remove mem_*set_* references.
7867 (mark_call): Ditto.
7868 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7869 (mark_clobber): Ditto (on both parts, we double set here too).
7870 (expr_killed_p): Remove mem_set_in_block test.
7871 (compute_transp): Remove mem_set_in_block test.
7873 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7874 of edge, and removal of phi alternative to dump file.
7875 (ssa_ccp_substitute_constants): Add note about register now being
7876 constant, and which uses were replaced in what insns to dump file.
7878 2001-07-16 Andreas Jaeger <aj@suse.de>
7880 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7881 variables of type HOST_WIDEST_INT.
7883 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7884 (__bb_exit_func): Correct type of count_max to avoid overflow.
7885 (num_digits): Handle long long argument.
7887 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7889 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7891 * output.h (sdb_begin_function_line): Restore as an extern
7892 variable.
7893 * sdbout.c (sdb_begin_function_line): Make extern.
7895 2001-07-15 Richard Henderson <rth@redhat.com>
7897 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7898 * genrecog.c (maybe_both_true_mode): New.
7899 (maybe_both_true_2): Use it.
7900 (write_switch): Don't put Pmode in a switch.
7901 * rtl.c (mode arrays): Don't explicitly size them.
7903 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7905 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7906 handling; move unconditional splitting before mode switching.
7908 * i386.md (type): Add fistp type.
7909 (i387, length_attr, scheduling definitions): Handle this type.
7910 (fix_trunc?f?i2): Revamp to use mode switching.
7911 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7912 * i386.h (fp_cw_mode): New enum
7913 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7914 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7916 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7918 * Makefile.in (integrate.o): Add debug.h.
7919 * integrate.c (debug.h): Add.
7920 (output_inline_function): Save, reset, and restore debug_hooks.
7922 2001-07-15 Richard Henderson <rth@redhat.com>
7924 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7925 instead of COMPARE for the EQUIV expression.
7927 2001-07-15 Richard Henderson <rth@redhat.com>
7929 * flow.c (redirect_edge_and_branch_force): Initialize
7930 global_live_at_start and global_live_at_end.
7931 (allocate_bb_life_data): Export.
7932 * basic-block.h (allocate_bb_life_data): Declare.
7933 * toplev.c (rest_of_compilation): Call it.
7935 2001-07-15 Richard Henderson <rth@redhat.com>
7937 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7938 (alpha_tablejump_best_label): New.
7939 * config/alpha/alpha-protos.h: Declare them.
7940 * config/alpha/alpha.md: Use braced strings for code blocks.
7941 (tablejump_osf): Break out add with r29.
7942 (tablejump_osf_internal): Remove.
7943 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7944 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7946 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7948 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7949 of the movable.
7951 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7953 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7954 (ix86_fp_jump_nontrivial_p): New.
7955 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7956 use ix86_fp_jump_nontrivial_p.
7957 * i386.c (ix86_fp_jump_nontrivial_p): New.
7958 (ix86_split_fp_branch): Accept code instead of rtx.
7959 (ix86_expand_compare): Expand comparison early in case
7960 doing so is resonably cheap.
7962 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7964 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7965 not 'machine'.
7966 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7967 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7969 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7971 * dbxout.c (dbxout_source_line): Make static, update prototype.
7972 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7973 (dbxout_init, dbxout_finish, dbxout_source_line,
7974 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7975 * dbxout.h (dbxout_source_line): Delete.
7976 * debug.c (debug_nothing_file, debug_nothing_file_int,
7977 debug_nothing_file_charstar_rtx): New.
7978 (do_nothing_debug_hooks): Update.
7979 (debug_nothing_void, debug_nothing_charstar_rtx,
7980 dwarf2out_end_epilogue): New.
7981 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7982 * debug.h (struct rtx_def): Declare.
7983 (gcc_debug_hooks): New hooks source_line, end_epilogue
7984 and end_function.
7985 (debug_nothing_void, debug_nothing_charstar_rtx,
7986 dwarf2out_end_epilogue): New.
7987 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7988 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7989 (dwarf2_debug_hooks): Update.
7990 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7991 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7992 * dwarf2out.h (dwarf2out_source_line): Remove.
7993 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7994 Make static, update prototype.
7995 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7996 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7997 (dwarf_debug_hooks): Update.
7998 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7999 dwarfout_end_function): Remove.
8000 * final.c (profile_function): Use debug hooks for ending functions
8001 and epilogues.
8002 (output_source_line, final_end_function): Update prototype,
8003 use debug hooks.
8004 (final_start_function, final_scan_insn): Update.
8005 * output.h (sdb_begin_function_line): Remove.
8006 (final_end_function): Update prototype.
8007 * sdbout.c (sdb_begin_function_line): Make static.
8008 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
8009 (sdbout_source_line): New.
8010 (sdbout_end_epilogue, sdbout_end_function): Make static, update
8011 prototypes.
8012 (sdb_debug_hooks): Update.
8013 (sdbout_init, sdbout_source_line,
8014 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
8015 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
8016 * toplev.c (compile_file, rest_of_compilation): Update.
8017 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
8018 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
8019 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
8020 Update for prototype changes.
8021 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
8022 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
8024 2001-07-15 Richard Henderson <rth@redhat.com>
8026 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
8027 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
8028 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
8029 * config/alpha/alpha.c: Likewise.
8030 * config/alpha/alpha.md: Likewise.
8031 * config/alpha/alpha32.h: Likewise.
8032 * config/alpha/vms.h: Likewise.
8033 (OPEN_VMS): Remove.
8035 2001-07-14 Richard Henderson <rth@redhat.com>
8037 * config/alpha/alpha.md: Use define_constants for unspec values.
8038 Substitute throughout.
8040 2001-07-14 Tim Josling <tej@melbpc.org.au>
8042 * tree.def (EXPON_EXPR) remove. Never supported anyway.
8044 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
8046 * pa.md: Remove unused constraints from define_split's.
8048 2001-04-14 Richard Henderson <rth@redhat.com>
8050 * ifcvt.c (find_cond_trap): Test for exit block.
8052 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
8054 Re-install recently reverted patch.
8055 * emit-rtl.c (try_split): Update mark_jump_label call.
8056 * flow.c (find_sub_basic_blocks): Likewise.
8057 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8058 jump_back_p): Kill.
8059 (mark_all_labels): Kill second parameter.
8060 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8061 (rebuild_jump_labels, jump_optimize_minimal): Update call
8062 of jump_optimize_1.
8063 (jump_optimize_1): Kill crossjumping code.
8064 (mark_jump_label): Kill cross_jump parameter.
8065 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8066 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8067 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8068 splitting.
8069 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8070 DFI_bpro.
8071 (dump_file_info): Likewise.
8072 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8073 reorganize passes to do reg-stack first, bb-reorder second.
8074 * invoke.texi (-d letters doc): Remove the jump2 pass.
8076 2001-07-14 Richard Henderson <rth@redhat.com>
8078 * ifcvt.c (find_cond_trap): New.
8079 (find_if_header): Call it.
8080 (merge_if_block): Relax existing jump sanity check.
8081 * jump.c (jump_optimize_1): Remove conditional trap handling.
8083 2001-07-14 Alan Modra <amodra@bigpond.net.au>
8085 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
8086 millicode.
8087 (insn_refs_are_delayed): Correct comment.
8088 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
8089 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
8090 instead of r31. Make associated insn !TARGET_64BIT, and
8091 provide an additional 64-bit insn that clobbers r2.
8092 (divsi3): Likewise.
8093 (udivsi3): Likewise.
8094 (modsi3): Likewise.
8095 (umodsi3): Likewise.
8097 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
8099 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
8101 * flow.c (redirect_edge_and_branch_force, split_edge,
8102 try_crossjump_to_edge): Use set_block_for_new_insns.
8103 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
8105 2001-07-13 H.J. Lu (hjl@gnu.org)
8107 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
8108 the correct patch.
8110 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8112 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
8114 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
8116 * c-common.c (decl_attributes): Take a pointer to the node to
8117 which attributes are to be attached, and a flags argument.
8118 * c-common.h (enum attribute_flags): New.
8119 (decl_attributes): Update prototype.
8120 * c-decl.c (start_decl, push_parm_decl, finish_struct,
8121 finish_enum, start_function): Update calls to decl_attributes.
8122 * c-parse.in (component_declarator, component_notype_declarator,
8123 label): Update calls to decl_attributes.
8125 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
8127 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
8128 * config/avr/avr.c (legitimate_address_p): Return value changed
8129 from letter to register classes. For better debugging.
8131 2001-07-13 Kazu Hirata <kazu@hxi.com>
8133 * jump.c (reversed_comparison_code_parts): Fix comment typos.
8135 2001-07-13 H.J. Lu (hjl@gnu.org)
8137 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
8139 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
8141 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
8142 correctly for shared configurations.
8143 * config/t-libgcc-pic: New.
8144 * config/{i386,m68k,sparc}/t-openbsd: New.
8145 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
8146 Support -shared. Support debugging libraries with -g.
8147 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
8148 frame information does not emit pointer diffs.
8149 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
8150 emit pointer diffs.
8152 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
8154 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
8156 2001-07-13 David Edelsohn <edelsohn@gnu.org>
8158 * combine.c (try_combine): Ensure const_int pow2 is positive.
8160 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
8162 * config.gcc: Add configuration for s/390.
8163 * config/s390/s390.c: New. Subroutines for code generation.
8164 * config/s390/s390.h: New. Definitions for s/390.
8165 * config/s390/s390-protos.h: New. Prototypes.
8166 * config/s390/linux.h: New. Definitions for linux for s/390.
8167 * config/s390/linux64.h: New. Definitions for linux for zSeries.
8168 * config/s390/t-linux: New. Makefile fragment.
8169 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
8170 * config/s390/fixdfdi.h: New. Fix L_fix*di.
8172 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
8174 * emit-rtl.c (try_split): Update mark_jump_label call.
8175 * flow.c (find_sub_basic_blocks): Likewise.
8176 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8177 jump_back_p): Kill.
8178 (mark_all_labels): Kill second parameter.
8179 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8180 (rebuild_jump_labels, jump_optimize_minimal): Update call
8181 of jump_optimize_1.
8182 (jump_optimize_1): Kill crossjumping code.
8183 (mark_jump_label): Kill cross_jump parameter.
8184 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8185 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8186 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8187 splitting.
8188 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8189 DFI_bpro.
8190 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8191 reorganize passes to do reg-stack first, bb-reorder second.
8192 * invoke.texi (-d letters doc): Remove the jump2 pass.
8194 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8196 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8198 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8200 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8201 basic blocks.
8202 (verify_flow_info): Make diagnostics prettier.
8204 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8206 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8208 * flow.c (outgoing_edges_match): Return early if condition reversal
8209 failed.
8211 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8213 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8214 (mips_move_2words): When splitting a move into two instructions,
8215 prefix the second address operand with '%D'.
8217 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8219 * Makefile.in (final.o): Depend on debug.h.
8220 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8221 (dbx_debug_hooks): Add new hooks.
8222 (xcoff_debug_hooks): New.
8223 * debug.c (debug_nothing_file_int_int): New.
8224 (do_nothing_debug_hooks): Update.
8225 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8226 (debug_nothing_file_int_int): New.
8227 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8228 static, update prototype.
8229 (dwarf2_debug_hooks): Update.
8230 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8231 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8232 static, update prototype.
8233 (dwarf_debug_hooks): Update.
8234 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8235 * final.c: Include debug.h.
8236 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8237 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8238 static, update prototype.
8239 (sdb_debug_hooks): Update.
8240 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8241 * toplev.c: Distinguish between xcoff and dbx.
8243 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8244 Call all debug hooks, not just dwarf ones.
8246 2001-07-11 Timothy Wall <twall@redhat.com>
8248 * config.gcc: Add configuration for AIX5/IA64.
8249 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8250 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8251 support prefix/suffix code.
8252 * config/ia64/t-aix: New. Makefile fragment.
8253 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8255 2001-07-11 Kazu Hirata <kazu@hxi.com>
8257 * recog.c (validate_change): Fix a comment typo.
8259 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8261 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8262 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8263 hooks directly.
8264 * dbxout.c (dbx_debug_hooks): Add new hooks.
8265 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8266 make static.
8267 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8268 make static.
8269 * dbxout.h (dbxout_start_new_source_file,
8270 dbxout_resume_previous_source_file): Delete.
8271 * debug.c (do_nothing_debug_hooks): Add new hooks.
8272 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8273 (debug_nothing_int_charstar, debug_nothing_int): New.
8274 * debug.h (gcc_debug_hooks): New hooks define, undef,
8275 start_source_file and end_source_file.
8276 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8277 (debug_nothing_int_charstar, debug_nothing_int): New.
8278 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8279 the conditionally compiled section.
8280 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8281 dwarf2out_define, dwarf2out_undef): Make static.
8282 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8283 dwarf2out_define, dwarf2out_undef): Remove.
8284 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8285 (dwarfout_start_source_file, dwarfout_end_source_file,
8286 dwarfout_define, dwarfout_undef): Make static.
8287 (dwarfout_start_source_file_check,
8288 dwarfout_end_source_file_check): New.
8289 (dwarfout_define, dwarfout_finish): Update.
8290 * dwarfout.h (dwarfout_start_new_source_file,
8291 dwarfout_resume_previous_source_file, dwarfout_define,
8292 dwarfout_undef): Remove.
8293 * sdbout.c (sdb_debug_hooks): Add new hooks.
8294 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8295 make static.
8296 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8297 make static, take an arg.
8298 * sdbout.h (sdbout_start_new_source_file,
8299 sdbout_resume_previous_source_file): Delete.
8300 * toplev.c (debug_start_source_file, debug_end_source_file,
8301 debug_define, debug_undef): Delete.
8302 * toplev.h (debug_start_source_file, debug_end_source_file,
8303 debug_define, debug_undef): Delete.
8305 * java/jcf-parse.c: Include debug.h.
8306 (parse_class_file): Update to use debug hooks directly.
8307 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8309 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8311 * alias.c (set_mem_alias_set): New function.
8312 * rtl.h (set_mem_alias_set): Declare it.
8313 * builtins.c (expand_builtin_return_addr): Call it instead of
8314 using MEM_ALIAS_SET accessor.
8315 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8316 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8317 (expand_builtin_va_copy):Likewise.
8318 * caller-save.c (setup_save_areas): Likewise.
8319 * calls.c (compute_argument_addresses): Likewise.
8320 * explow.c (set_mem_attributes): Likewise.
8321 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8322 (expand_assignment, store_constructor_field, store_field): Likewise.
8323 (expand_expr_unaligned): Likewise.
8324 * function.c (assign_stack_temp_for_type): Likewise.
8325 (put_reg_into_stack, gen_mem_addressof): Likewise.
8326 * ifcvt.c (noce_try_cmove_arith): Likewise.
8327 * reload1.c (reload, alter_reg): Likewise.
8328 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8329 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8330 (alpha_expand_unaligned_store): Likewise
8331 (alpha_expand_unaligned_load_words): Likewise.
8332 (alpha_expand_unaligned_store_words): Likewise.
8333 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8334 (alpha_expand_epilogue): Likewise.
8335 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8336 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8337 * config/i386/i386.c (legitimize_pic_address): Likewise.
8338 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8339 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8340 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8341 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8342 * config/mips/mips.c (mips_va_arg): Likewise.
8343 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8344 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8345 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8346 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8347 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8348 (rs6000_emit_epilogue): Likewise.
8349 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8350 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8351 * config/v850/v850.c (v850_va_arg): Likewise.
8353 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8355 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8356 when fallthru edge is present.
8357 (mege_blocks): Handle case where creation of jump insn
8358 is required.
8360 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8361 CLEANUP_POST_REGSTACK): New constants.
8362 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8363 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8364 * output.h (cleanup_cfg): Update prototype.
8365 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8366 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8367 cleanup_cfg call; kill missleading comment.
8368 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8369 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8370 parameter; control optimizations performed using it.
8371 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8372 try_crossjump_bb): New functions.
8374 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8376 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8377 extern.
8378 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8379 pa_output_function_prologue.
8380 * pa-protos.h (pa_output_function_prologue): New prototype.
8382 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8384 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8385 and low to get correct sign extension in low+high test.
8387 2001-07-11 Janis Johnson <janis@us.ibm.com>
8389 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8390 for large hit count.
8392 * profile.c (branch_prob): Fix .bbg info for computed gotos
8393 and C++ EH code.
8395 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8397 * stmt.c (parse_output_constraint): New function, split out
8398 from ...
8399 (expand_asm_operands): ... here. Use parse_output_constraint.
8400 * tree.h (parse_output_constraint): Declare it.
8402 2001-07-11 Richard Henderson <rth@redhat.com>
8404 * bitmap.c: Comment some functions; fiddle whitespace.
8405 (bitmap_free): Don't export.
8406 (bitmap_element_allocate): Use memset.
8407 * bitmap.h (bitmap_free): Don't declare.
8409 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8411 * gcse.c, lcm.c, sched-deps.c:
8412 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8414 * flow.c (flow_loops_find): Free dom if we found no loops, since
8415 we aren't going to save it.
8417 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8418 done.
8420 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8422 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8424 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8426 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8427 #ifndef DWARF2_DEBUGGING_INFO.
8429 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8431 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8433 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8435 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8436 reverse a branch if a NE comparison is implemented with GTU.
8438 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8439 H.J. Lu <hjl@gnu.org>
8441 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8442 constant addresses.
8443 (call_internal2): Likewise.
8444 (call_value_internal1): Likewise.
8445 (call_value_internal2): Likewise.
8446 (call_value_multiple_internal1): Likewise.
8447 (call_value_multiple_internal2): Likewise.
8449 2001-07-10 Kazu Hirata <kazu@hxi.com>
8451 * calls.c (emit_library_call_value_1): Fix a comment typo.
8452 * dwarf2out.c (mem_loc_descriptor): Likewise.
8453 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8455 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8457 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8459 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8461 * recog.c (offsettable_address_p): Handle LO_SUM case.
8462 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8463 instead of plus_constant.
8465 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8467 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8468 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8470 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8472 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8473 adjust_address_nv instead of plus_constant.
8475 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8477 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8478 dwarf2out.o): Depend on debug.h, wrap long lines.
8479 * dbxout.c: Include debug.h.
8480 (dbx_debug_hooks): New.
8481 (dbxout_init): Make static, take just 2 args.
8482 (dbxout_finish): Make static.
8483 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8484 * debug.c: New file.
8485 * debug.h: New file.
8486 * dwarf2out.c: Include debug.h.
8487 (dwarf2_debug_hooks): New.
8488 (dwarf2out_init): Make static.
8489 (dwarf2out_finish): Make static, take 2 args.
8490 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8491 * dwarfout.c: Include debug.h.
8492 (dwarf_debug_hooks): New.
8493 (dwarfout_init): Make static.
8494 (dwarfout_finish): Make static, take 2 args.
8495 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8496 * sdbout.c: Include debug.h.
8497 (sdb_debug_hooks): New.
8498 (sdbout_init): Make static, take 2 args.
8499 * sdbout.h (sdbout_init): Delete.
8500 * toplev.c: Include debug.h.
8501 (debug_hooks): New.
8502 (compile_file): Set deubg_hooks based on command line options.
8503 Use the hooks unconditionally rather than conditional compilation.
8505 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8507 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8508 first_insn_after_basic_block_note instead.
8510 * df.c (df_bb_refs_unlink): #if 0 out for now.
8512 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8514 * ssa.h: Add prototype for ssa_const_prop
8515 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8516 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8517 (ssa_fast_dce): Remove unused variable
8519 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8521 * diagnostic.c (finish_diagnostic): Rename to
8522 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8523 calls thourghout.
8525 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8527 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8528 .loc support.
8530 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8531 (dump_file): Only pad the demangled name with spaces if the
8532 mangled name was padded with spaces.
8534 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8536 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8537 edge detection.
8539 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8541 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8542 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8543 EXPAND_INITIALIZER.
8545 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8546 whether can put offset inside LO_SUM to check mode alignment, not size.
8548 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8550 * doc/tm.texi (Misc): Fix thinko.
8552 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8554 * regmove.c (replace_in_call_usage): Fix warnings.
8555 * sched-deps.c (add_dependence): Fix warnings.
8556 * simplify-rtx.c (simplify_subreg): Likewise.
8557 Return NULL_RTX instead of NULL.
8559 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8560 (subst_asm_stack_regs): Likewise.
8562 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8563 warnings.
8565 * dwarf2out.c (output_call_frame_info): Declare i as int.
8566 (build_abbrev_table): Declare n_alloc as int.
8567 (dwarf2out_finish): Initialize die.
8568 * except.c: Declare sjlj_funcdef_number as unsigned.
8569 (connect_post_landing_pads): Declare j as unsigned.
8570 (convert_to_eh_region_ranges): Initialize call_site.
8571 (output_function_exception_table): Initialize tt_format_size.
8572 * expr.c (move_by_pieces_1): Initialize to1.
8573 (store_constructor): Initialize minelt and maxelt.
8574 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8575 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8577 * c-decl.c (combine_parm_decls): Unused, remove.
8578 * c-tree.h: Remove prototype for combine_parm_decls.
8580 * reload.c (push_reload): Fix warning.
8581 (regno_clobbered_p): Likewise.
8582 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8583 (reload_combine): Likewise.
8585 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8586 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8587 warnings.
8588 * bitmap.c (bitmap_operation): Change user.
8589 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8591 2001-07-10 Eric Christopher <echristo@redhat.com>
8593 * config/mips/mips.c (override_options): Fix typo.
8595 2001-07-09 Stan Shebs <shebs@apple.com>
8597 * target.h (struct gcc_target): New fields init_builtins and
8598 expand_builtin.
8599 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8600 (TARGET_EXPAND_BUILTIN): New macro.
8601 (TARGET_INITIALIZER): Add them.
8602 * builtins.c: Include target.h.
8603 (expand_builtin): Use targetm.expand_builtin.
8604 (default_init_builtins): New function.
8605 (default_expand_builtin): New function.
8606 * expr.h (default_init_builtins): Declare.
8607 (default_expand_builtin): Declare.
8608 * c-common.c (c_common_nodes_and_builtins): Use
8609 targetm.init_builtins.
8610 * defaults.h (MD_INIT_BUILTINS): Remove.
8611 * Makefile.in (builtins.o): Depend on target.h.
8613 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8614 (TARGET_EXPAND_BUILTIN): Define.
8615 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8616 (MD_EXPAND_BUILTIN): Remove.
8618 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8619 (TARGET_EXPAND_BUILTIN): Define.
8620 (c4x_init_builtins): Make endlink arg a local.
8621 (c4x_print_operand): Fix typos in adjust_address usages.
8622 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8623 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8624 (MD_EXPAND_BUILTIN): Remove.
8626 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8627 (TARGET_EXPAND_BUILTIN): Define.
8628 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8629 (ix86_init_builtins): Call new function only if TARGET_MMX.
8630 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8631 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8632 (MD_EXPAND_BUILTIN): Remove.
8634 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8635 (TARGET_EXPAND_BUILTIN): Define.
8636 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8637 (MD_EXPAND_BUILTIN): Remove.
8639 * doc/tm.texi: Document these changes.
8641 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8643 * basic-block.h (tree_node): Forward declare if needed.
8644 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8645 (BLOCK_HEAD_TREE): Define.
8646 (BLOCK_END_TREE): Define.
8647 (struct loops): Rename field 'tree' to 'tree_root'.
8648 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8649 'end_tree'.
8650 (flow_loops_tree_build): Rename reference to field 'tree' to
8651 'tree_root'.
8652 (flow_loops_level_compute): Ditto.
8653 * predict.c (estimate_bb_frequencies): Ditto.
8654 * tree.h (struct tree_common): Add field 'aux'.
8656 2001-07-09 Stan Shebs <shebs@apple.com>
8658 * config/darwin.c (darwin_encode_section_info): Don't mark any
8659 DECL_EXTERNAL node as defined.
8661 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8663 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8664 pa_free_machine_status, hppa_init_pic_save): Delete.
8665 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8666 (hppa_profile_hook): Use hppa_pic_save_rtx.
8667 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8668 hppa_init_pic_save): Delete.
8669 (hppa_pic_save_rtx): Declare.
8670 * pa.md (call, call_value, sibcall, sibcall_value,
8671 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8673 2001-07-09 Kazu Hirata <kazu@hxi.com>
8675 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8676 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8678 2001-07-09 Andreas Jaeger <aj@suse.de>
8680 * output.h: Add declaration of final_forward_branch_p.
8682 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8684 * varray.c: Include errors.h for internal_error and trim_filename
8685 declarations.
8687 * Makefile.in (varray.o): Add errors.h.
8689 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8691 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8692 * optabs.c (have_add2_insn): Check whether the add insn chosen
8693 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8694 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8696 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8698 * Makefile.in (OBJS): Add ssa-ccp.o
8699 (ssa-ccp.o): Add dependencies.
8700 * toplev.c (DFI_ssa_ccp): New dump file enum.
8701 (dump_file): Add entry for dumping after SSA CCP.
8702 (flag_ssa_ccp): New flag variable.
8703 (f_options): Add -fssa-ccp.
8704 (rest_of_compilation): Run SSA CCP if requested.
8705 * timevar.def (TV_SSA_CCP): New timevar.
8706 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8707 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8708 Fix minor typo in SSA DCE documentation.
8709 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8710 Add documentation for new dump option. Renumber dump files
8711 appropriately.
8713 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8715 * emit-rtl.c (gen_highpart_mode): New.
8716 * rtl.h (gen_highpart_mode): Declare.
8717 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8718 operand can be VOIDmode constant.
8720 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8722 * flow.c (redirect_edge_and_branch_force): New.
8723 (can_fallthru): Ensure that basic blocks are succeeding.
8724 (try_optimize_cfg): Do not delete basic block if it is the last one.
8726 * flow.c (try_redirect_by_replacing_jump): Do not remove
8727 jumps with side effects, unlink chain on fallthru edge;
8728 set block for new jump instruction; avoid basic block to
8729 over by line number note.
8731 * flow.c (try_simplify_condjump): Verify that the condjump
8732 is not always falling trought.
8734 Re-install patch:
8735 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8737 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8738 (try_redirect_by_replacing_jump): Update properly the count
8739 and frequency information.
8741 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8743 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8744 address that is a LO_SUM specially.
8745 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8747 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8749 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8750 (operand_subword): Use them.
8751 (change_address_1): Renamed from change_address; new arg VALIDATE.
8752 * expr.h: Reflect above changes; change_address now macro.
8753 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8754 making MEM.
8755 * cselib.c (add_mem_for_addr): Likewise.
8756 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8757 * regmove.c (try_apply_stack_adjustment): Likewise.
8758 * reload.c (push_reload, make_memloc): Likewise.
8759 * reload1.c (eliminate_regs): Likewise.
8760 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8761 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8762 adjust_addess.
8763 * combine.c (make_extraction, simplify_shift_const): Likewise.
8764 (gen_lowpart_for_combine): Likewise.
8765 * cse.c (gen_lowpart_if_possible): Likewise.
8766 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8767 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8768 * optabs.c (gen_move_insn): Likewise.
8769 * reload1.c (alter_reg): Likewise.
8770 * simplify-rtx.c (simplify_subreg): Likewise.
8771 * stmt.c (expand_anon_union_decl): Likewise.
8772 * recog.c (validate_replace_rtx_1): Likewise.
8773 (expr.h): Include.
8774 * Makefile.in (recog.o): Add $(EXPR_H).
8775 * explow.c (stabilize): Call replace_equiv_address.
8776 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8777 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8779 2001-07-03 Andrew Haley <aph@redhat.com>
8781 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8782 the mode of the memory location.
8784 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8786 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8788 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8790 * final.c (output_addr_const): Use target opening and
8791 closing parentheses.
8792 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8793 defaults, add to TARGET_ASM_OUT.
8794 * target.h (struct gcc_target): Add open_paren and close_paren.
8795 * doc/md.texi: Update.
8796 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8797 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8798 TARGET_ASM_CLOSE_PAREN.
8799 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8800 Override.
8801 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8802 Override.
8803 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8804 * config/a29k/a29k.h: Similarly.
8805 * config/alpha/alpha.h: Similarly.
8806 * config/arc/arc.h: Similarly.
8807 * config/arm/aof.h: Similarly.
8808 * config/arm/aout.h: Similarly.
8809 * config/avr/avr.h: Similarly.
8810 * config/c4x/c4x.h: Similarly.
8811 * config/clipper/clipper.h: Similarly.
8812 * config/convex/convex.h: Similarly.
8813 * config/d30v/d30v.h: Similarly.
8814 * config/dsp16xx/dsp16xx.h: Similarly.
8815 * config/elxsi/elxsi.h: Similarly.
8816 * config/fr30/fr30.h: Similarly.
8817 * config/h8300/h8300.h: Similarly.
8818 * config/i370/i370.h: Similarly.
8819 * config/i386/i386.h: Similarly.
8820 * config/i860/i860.h: Similarly.
8821 * config/i960/i960.h: Similarly.
8822 * config/ia64/ia64.h: Similarly.
8823 * config/m32r/m32r.h: Similarly.
8824 * config/m68hc11/m68hc11.h: Similarly.
8825 * config/m68k/m68k.h: Similarly.
8826 * config/m88k/m88k.h: Similarly.
8827 * config/mcore/mcore.h: Similarly.
8828 * config/mips/mips.h: Similarly.
8829 * config/mn10200/mn10200.h: Similarly.
8830 * config/mn10300/mn10300.h: Similarly.
8831 * config/ns32k/ns32k.h: Similarly.
8832 * config/pa/pa.h: Similarly.
8833 * config/pdp11/pdp11.h: Similarly.
8834 * config/pj/pj.h: Similarly.
8835 * config/romp/romp.h: Similarly.
8836 * config/rs6000/rs6000.h: Similarly.
8837 * config/sh/sh.h: Similarly.
8838 * config/sparc/sparc.h: Similarly.
8839 * config/v850/v850.h: Similarly.
8840 * config/vax/vax.h: Similarly.
8841 * config/we32k/we32k.h: Similarly.
8843 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8845 * doc/c-tree.texi: Document representation of attributes.
8847 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8849 * doc/tm.texi: Update some places for the rename of target to
8850 targetm. Fix typo.
8852 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8854 * target.h (struct gcc_target): Add insert_attributes.
8855 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8856 (TARGET_INITIALIZER): Update.
8857 * tree.c, tree.h (default_insert_attributes): New function.
8858 Update comments on other default functions to refer to targetm,
8859 not target.
8860 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8861 TARGET_INSERT_ATTRIBUTES.
8862 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8863 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8864 Don't use PRAGMA_INSERT_ATTRIBUTES.
8865 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8866 * c-decl.c (start_decl, start_function): Don't call
8867 SET_DEFAULT_DECL_ATTRIBUTES.
8868 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8869 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8870 declare.
8871 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8872 (c4x_check_attribute): Avoid modifying attribute list itself.
8873 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8874 Make static.
8875 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8876 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8877 declare.
8878 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8879 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8880 Make static.
8881 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8882 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8883 declare.
8884 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8885 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8886 Adjust parameters. Make static.
8888 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8890 * c-common.c (decl_attributes): Only take a single attributes
8891 parameter.
8892 * c-common.h (decl_attributes): Update prototype.
8893 * c-decl.c (start_decl, start_function): Only take a single
8894 attributes parameter. Update calls to decl_attributes.
8895 (finish_struct, finish_enum): Update calls to decl_attributes.
8896 (push_parm_decl): Expect unified list of attributes. Update call
8897 to decl_attributes.
8898 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8899 notype_nested_function, component_declarator,
8900 component_notype_declarator, label): Update calls to
8901 decl_attributes.
8902 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8903 lists that are passed to push_parm_decl.
8904 * c-tree.h (start_function, start_decl): Update prototypes.
8905 * config/sh/sh-protos.h, config/sh/sh.c
8906 (sh_pragma_insert_attributes): Only take a single attributes
8907 parameter.
8908 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8909 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8910 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8911 build_module_descriptor, generate_static_references,
8912 generate_strings, build_selector_translation_table,
8913 generate_descriptor_table, generate_protocols,
8914 generate_ivars_list, generate_dispatch_table,
8915 generate_protocol_list, generate_category,
8916 generate_shared_structures, really_start_method, add_objc_decls,
8917 generate_classref_translation_entry): Update calls to start_decl
8918 and start_function.
8919 (build_tmp_function_decl, start_method_def): Unify attribute lists
8920 that are passed to push_parm_decl.
8922 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8924 * final.c (no_asm_to_stream): New.
8925 (final_scan_insn): Use target structures for prologue ends
8926 and epilogue starts.
8927 * output.h (no_asm_to_stream): New.
8928 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8929 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8930 (TARGET_ASM_OUT): Update.
8931 * target.h (struct gcc_target): New members function_end_prologue
8932 and function_begin_epilogue.
8933 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8934 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8935 * config/alpha/alpha.c (output_end_prologue): Rename to
8936 alpha_output_function_end_prologue. Use in target struct
8937 and make static.
8938 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8939 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8940 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8941 ia64_output_function_end_prologue. Use in target struct
8942 and make static.
8943 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8944 mistyped prototypes.
8945 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8946 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8947 Delete.
8948 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8949 an use in target struct, make static.
8950 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8951 Delete.
8953 2001-07-08 Richard Henderson <rth@redhat.com>
8955 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8957 2001-07-08 Richard Henderson <rth@redhat.com>
8959 * config/i386/i386.md: Remove constraints strings from define_split
8960 and define_peephole2 patterns.
8961 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8962 (eh_return): Use them.
8964 2001-07-08 Richard Henderson <rth@redhat.com>
8966 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8967 Document MD_FALLBACK_FRAME_STATE_FOR.
8969 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8971 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8972 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8973 elimination.
8974 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8976 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8978 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8979 of the label inside NAME as opposed to just the end of NAME.
8981 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8983 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8984 * config/alpha/alpha.c (alpha_init_machine_status,
8985 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8986 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8987 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8988 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8990 2001-07-06 Stan Shebs <shebs@apple.com>
8992 * target.h (targetm): Rename global from "target", so as not to
8993 conflict with local variables.
8994 * c-decl.c: Ditto.
8995 * c-typeck.c: Ditto.
8996 * final.c: Ditto.
8997 * tree.c: Ditto.
8998 * cp/decl.c: Ditto.
8999 * cp/decl2.c: Ditto.
9000 * cp/typeck.c: Ditto.
9001 * 1750a/1750a.c: Ditto.
9002 * a29k/a29k.c: Ditto.
9003 * arc/arc.c: Ditto.
9004 * arm/arm.c: Ditto.
9005 * avr/avr.c: Ditto.
9006 * clipper/clipper.c: Ditto.
9007 * convex/convex.c: Ditto.
9008 * d30v/d30v.c: Ditto.
9009 * dsp16xx/dsp16xx.c: Ditto.
9010 * elxsi/elxsi.c: Ditto.
9011 * fr30/fr30.c: Ditto.
9012 * h8300/h8300.c: Ditto.
9013 * i370/i370.c: Ditto.
9014 * i386/i386.c: Ditto.
9015 * i860/i860.c: Ditto.
9016 * i960/i960.c: Ditto.
9017 * ia64/ia64.c: Ditto.
9018 * m32r/m32r.c: Ditto.
9019 * m68hc11/m68hc11.c: Ditto.
9020 * m68k/m68k.c: Ditto.
9021 * m88k/m88k.c: Ditto.
9022 * mips/mips.c: Ditto.
9023 * ns32k/ns32k.c: Ditto.
9024 * pa/pa.c: Ditto.
9025 * pdp11/pdp11.c: Ditto.
9026 * romp/romp.c: Ditto.
9027 * rs6000/rs6000.c: Ditto.
9028 * sh/sh.c: Ditto.
9029 * sparc/sparc.c: Ditto.
9030 * vax/vax.c: Ditto.
9031 * we32k/we32k.c: Ditto.
9032 * doc/tm.texi: Update the manual to match.
9034 2001-07-06 Richard Henderson <rth@redhat.com>
9036 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
9037 DWARF2_UNWIND_INFO not just whether it is defined.
9039 2001-07-06 Diego Novillo <dnovillo@redhat.com>
9041 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
9042 call to simplify_binary_operation returns a new pattern.
9044 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9046 * glimits.h (__SHRT_MAX__): New.
9047 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
9048 (SHRT_MAX): Define in terms of __SHRT_MAX__.
9050 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
9052 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
9053 avoid warnings.
9055 2001-07-06 Richard Henderson <rth@redhat.com>
9057 * bitmap.c (bitmap_release_memory): Move adjacent to the
9058 allocation functions.
9059 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
9060 the implementation. Binary search for the set bit.
9061 (bitmap_union_of_diff): Allocate the temporary on the stack
9062 instead of using xmalloc.
9064 2001-07-06 Richard Henderson <rth@redhat.com>
9066 * genrecog.c (validate_pattern): Warn for constraints in
9067 define_{expand,split,peephole2}. Remove strict_low_part
9068 before looking up match_dup.
9070 2001-07-06 DJ Delorie <dj@redhat.com>
9072 * doc/gcc.texi (Makefile): Rename to be a more general purpose
9073 chapter about various build hints and history. Add section
9074 talking about the various types of native and cross builds.
9076 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
9078 * Makefile.in (final.o): Depend on target.h.
9079 * final.c: Include target.h.
9080 (default_function_pro_epilogue): New.
9081 (final_start_function): Use target structure for function prologues.
9082 (final_end_function): Use target structure for function epilogues.
9083 * fold-const.c (real_hex_to_f): Constify s and p.
9084 * output.h (default_function_pro_epilogue): New.
9085 * real.h (real_hex_to_f): Update prototype.
9086 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
9087 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
9088 (TARGET_INITIALIZER): Update.
9089 * target.h (gcc_target): Add struct asm_out.
9090 * doc/tm.texi: Update.
9092 config:
9093 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
9094 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
9095 in cpu/cpu.c, or rename old functions consistently. Take
9096 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
9097 redundant macros and prototypes. Make new functions static.
9099 * 1750a/1750a.c: Similarly.
9100 * 1750a/1750a.h: Similarly.
9101 * a29k/a29k-protos.h: Similarly.
9102 * a29k/a29k.c: Similarly.
9103 * a29k/a29k.h: Similarly.
9104 * arc/arc-protos.h: Similarly.
9105 * arc/arc.c: Similarly.
9106 * arc/arc.h: Similarly.
9107 * arm/arm-protos.h: Similarly.
9108 * arm/arm.c: Similarly.
9109 * arm/arm.h: Similarly.
9110 * avr/avr-protos.h: Similarly.
9111 * avr/avr.c: Similarly.
9112 * avr/avr.h: Similarly.
9113 * clipper/clipper-protos.h: Similarly.
9114 * clipper/clipper.c: Similarly.
9115 * clipper/clipper.h: Similarly.
9116 * convex/convex.c: Similarly.
9117 * convex/convex.h: Similarly.
9118 * d30v/d30v-protos.h: Similarly.
9119 * d30v/d30v.c: Similarly.
9120 * d30v/d30v.h: Similarly.
9121 * d30v/d30v.md: Similarly.
9122 * dsp16xx/dsp16xx-protos.h: Similarly.
9123 * dsp16xx/dsp16xx.c: Similarly.
9124 * dsp16xx/dsp16xx.h: Similarly.
9125 * elxsi/elxsi.c: Similarly.
9126 * elxsi/elxsi.h: Similarly.
9127 * fr30/fr30.c: Similarly.
9128 * fr30/fr30.md: Similarly.
9129 * h8300/h8300-protos.h: Similarly.
9130 * h8300/h8300.c: Similarly.
9131 * h8300/h8300.h: Similarly.
9132 * i370/i370-protos.h: Similarly.
9133 * i370/i370.c: Similarly.
9134 * i370/i370.h: Similarly.
9135 * i386/i386.c: Similarly.
9136 * i386/osf1elf.h: Similarly.
9137 * i386/osfrose.h: Similarly.
9138 * i860/i860-protos.h: Similarly.
9139 * i860/i860.c: Similarly.
9140 * i860/i860.h: Similarly.
9141 * i960/i960-protos.h: Similarly.
9142 * i960/i960.c: Similarly.
9143 * i960/i960.h: Similarly.
9144 * ia64/ia64-protos.h: Similarly.
9145 * ia64/ia64.c: Similarly.
9146 * ia64/ia64.h: Similarly.
9147 * m32r/m32r-protos.h: Similarly.
9148 * m32r/m32r.c: Similarly.
9149 * m32r/m32r.h: Similarly.
9150 * m68hc11/m68hc11-protos.h: Similarly.
9151 * m68hc11/m68hc11.c: Similarly.
9152 * m68hc11/m68hc11.h: Similarly.
9153 * m68k/crds.h: Similarly.
9154 * m68k/dpx2.h: Similarly.
9155 * m68k/m68k-protos.h: Similarly.
9156 * m68k/m68k.c: Similarly.
9157 * m68k/m68k.h: Similarly.
9158 * m68k/news.h: Similarly.
9159 * m88k/m88k-protos.h: Similarly.
9160 * m88k/m88k.c: Similarly.
9161 * m88k/m88k.h: Similarly.
9162 * mips/mips-protos.h: Similarly.
9163 * mips/mips.c: Similarly.
9164 * mips/mips.h: Similarly.
9165 * ns32k/merlin.h: Similarly.
9166 * ns32k/ns32k.c: Similarly.
9167 * ns32k/ns32k.h: Similarly.
9168 * ns32k/tek6000.h: Similarly.
9169 * pa/pa-protos.h: Similarly.
9170 * pa/pa.c: Similarly.
9171 * pa/pa.h: Similarly.
9172 * pdp11/2bsd.h: Similarly.
9173 * pdp11/pdp11-protos.h: Similarly.
9174 * pdp11/pdp11.c: Similarly.
9175 * pdp11/pdp11.h: Similarly.
9176 * romp/romp-protos.h: Similarly.
9177 * romp/romp.c: Similarly.
9178 * romp/romp.h: Similarly.
9179 * rs6000/rs6000-protos.h: Similarly.
9180 * rs6000/rs6000.c: Similarly.
9181 * rs6000/rs6000.h: Similarly.
9182 * rs6000/sysv4.h: Similarly.
9183 * sh/sh-protos.h: Similarly.
9184 * sh/sh.c: Similarly.
9185 * sh/sh.h: Similarly.
9186 * sparc/sparc-protos.h: Similarly.
9187 * sparc/sparc.c: Similarly.
9188 * sparc/sparc.h: Similarly.
9189 * vax/vax.c: Similarly.
9190 * vax/vax.h: Similarly.
9191 * vax/vms.h: Similarly.
9192 * we32k/we32k.c: Similarly.
9193 * we32k/we32k.h: Similarly.
9195 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9197 * basic-block.h (first_insn_after_basic_block_note): Declare.
9198 * flow.c (first_insn_after_basic_block_note): Define. Moved
9199 from...
9200 * ssa.c (first_insn_after_basic_block_note): Remove.
9201 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9202 necessary.
9203 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9204 nodes when we find a dead conditional branch. Insert BARRIERs
9205 after any blocks with no successors, but which do not have
9206 any BARRIERs.
9208 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9210 * varray.c (varray_check_failed): Use internal_error.
9212 2001-07-05 Andrew Haley <aph@redhat.com>
9214 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9215 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9216 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9218 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9220 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9221 reference if the target constant is also a SYMBOL_REF.
9223 2001-07-05 Eric Christopher <echristo@redhat.com>
9225 * config/mips/mips.h (MASK_MIPS3900): Remove.
9226 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9227 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9228 (TARGET_MIPS3900): Change to use mips_arch.
9229 (TARGET_MIPS4000): New.
9230 (TARGET_MIPS4100): New.
9231 (TARGET_MIPS4300): New.
9232 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9233 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9234 for -mipsX.
9235 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9236 (ISA_HAS_BRANCHLIKELY): To here.
9237 (CC1_CPU_SPEC): New.
9238 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9239 (mips_arch_string): Declare.
9240 (mips_arch): Declare.
9241 (TARGET_OPTIONS): Add -march and -mtune.
9243 * config/mips/mips.c (mips_arch_string): New.
9244 (mips_arch): New.
9245 (override_options): Handle -march for codegen and -mtune
9246 for scheduling. Use mips_arch. Move tx39 target default here.
9247 (mips_parse_cpu): Move error message to override_options.
9249 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9251 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9253 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9254 (MIPS Options): Ditto. Change mcpu entry to historical text.
9256 2001-07-05 H.J. Lu (hjl@gnu.org)
9258 * config/mips/mips.c (mips_parse_cpu): New function to parse
9259 -march=*/-mcpu=*.
9261 2001-07-05 Jim Wilson <wilson@redhat.com>
9263 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9264 * config/ia64/t-ia64: Likewise.
9265 (LIB1ASMFUNCS): Update comment.
9267 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9269 * doc/install.texi (Install GCC: Binaries): Fix typo.
9271 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9273 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9274 reference using the stack pointer, adjust it since we push Y
9275 temporarily.
9276 ("*ashrsi3"): Likewise.
9277 ("*lshrsi3"): Likewise.
9279 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9281 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9282 when -fomit-frame-pointer is used.
9284 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9286 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9287 (try_redirect_by_replacing_jump): Reverse updating properly the
9288 count and frequency information. Reverse removing cc0 setter.
9289 (forwarder_block_p): Reverse fixing for fallthru blocks.
9291 2001-07-05 DJ Delorie <dj@redhat.com>
9293 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9294 (translate_options): If the above is defined, use it to map
9295 given options to new options.
9296 * doc/tm.texi: Document it.
9298 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9299 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9301 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9302 cause programs using computed gotos to run more slowly.
9304 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9306 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9307 Fixed sorting.
9308 Consistently require binutils 2.11.2, not prereleases.
9309 (Specific, decstation-*): Canonicalize as mips-dec-*.
9310 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9311 always necessary.
9312 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9313 (Specific, mips-*): Reword MIPS C compiler requirements.
9314 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9315 (Specific, sunv5): Removed, obsolete.
9317 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9319 * dwarf2out.c (output_loc_list): Use an all ones mask for
9320 .text asm output and don't rely on long long
9321 literals. Reformat some long lines.
9323 2001-07-05 Andreas Jaeger <aj@suse.de>
9325 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9326 section.
9328 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9330 * dwarf2out.c (dwarf2out_define): Update comment.
9331 (dwarf2out_undef): Ditto.
9332 (dwarf2out_start_source_file): Ditto.
9333 (dwarf2out_end_source_file): Ditto.
9334 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9335 since we never call the start/end debug hook for the primary file.
9337 2001-07-04 Kazu Hirata <kazu@hxi.com>
9339 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9340 from shll.
9342 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9344 * cppinit.c (remove_dup_dirs): Inform if a system include
9345 directory is being reordered.
9346 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9347 system include.
9348 * doc/cpp.texi (Search Paths): Likewise.
9349 * doc/gcc.texi (Interoperation): Remove information about
9350 -I/usr/include.
9352 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9354 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9355 (VARRAY_TOP_CHAR_PTR): Likewise.
9357 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9359 * gcc.c (process_command): Don't assign elements of a const char*.
9361 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9363 * emit-rtl.c (change_address): Don't abort if invalid address while
9364 reload is in progress.
9366 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9368 * c-lex.c (cb_file_change): Pass line number to
9369 debug_start_source_file.
9370 (cb_undefine): Pass correct line number to debug_undef.
9372 * toplev.c (debug_start_source_file): Add line number to
9373 parameters. Pass it along to dwarf2out_start_source_file.
9374 (decode_g_option): Stop resetting debug level back to normal when
9375 we change debug formats, unless the current level is
9376 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9377 3).
9379 * toplev.h (debug_start_source_file): Add line number to
9380 parameters.
9382 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9383 parameters.
9385 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9386 parameters.
9387 Output debug_macinfo data for starting file if requested.
9388 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9389 file if requested.
9390 (dwarf2out_define): Output debug_macinfo data for defining a macro
9391 if requested.
9392 (dwarf2out_undef): Output debug_macinfo data for undefining a
9393 macro if requested.
9394 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9395 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9396 (macinfo_section_label): New. DWARF2 macro info section label.
9397 (dwarf2out_init): If we want macro info, output the start label
9398 for the section.
9399 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9400 attribute to the compilation unit die pointing to the macro info.
9402 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9404 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9405 DWARF2_DEBUGGING_INFO.
9406 (add_loc_descr_to_loc_list): Ditto.
9407 (output_loc_list): Ditto.
9408 Also, fix thinko in curr not being initialized.
9409 (gen_internal_sym): Ditto.
9411 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9413 * emit-rtl.c (replace_equiv_address): New function.
9414 * expr.h (replace_equiv_address): New declaration.
9415 * explow.c (validize_mem): Call it instead of change_address and
9416 also call if -fforce-addr and address is constant.
9417 * expr.c: Replace more calls to change_address with adjust_address
9418 and/or replace_equiv_address or to validize_mem.
9419 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9420 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9421 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9422 * config/i370/i370.md, config/i860/i860.md: Likewise.
9423 * config/i960/i960.md, config/mips/mips.c: Likewise.
9424 * config/mips/mips.md, config/pa/pa.md: Likewise.
9425 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9426 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9428 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9430 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9432 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9433 function.
9435 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9437 * doc/include: New directory.
9438 * doc/fdl.texi: Move to doc/include/fdl.texi.
9439 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9440 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9441 * doc/gcc.texi: Use funding.texi and gpl.texi.
9442 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9443 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9444 Update dependencies and use -I $(docdir)/include.
9446 2001-07-04 Anthony Green <green@redhat.com>
9448 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9450 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9452 * doc/install.texi (sparc64-*-*): Remove garbage.
9454 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9456 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9457 Fix typo in last change to use adjust_address.
9459 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9461 * doc/install.texi (Specific): Update information for *-*-solaris*.
9463 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9465 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9467 2001-07-03 Stan Shebs <shebs@apple.com>
9469 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9470 case for flag_no_mach_text_sections.
9471 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9472 * config/darwin.c (flag_no_mach_text_sections): Remove.
9473 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9475 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9477 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9478 and avoid checking for constant as first operand.
9479 * recog.c (find_constant_term_loc): No longer static.
9480 (adj_offettable_operand): Delete.
9481 * rtl.h (adj_offsettable_operand): Delete declaration.
9482 (find_constant_term): Add declaration.
9483 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9484 to adjust_address.
9485 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9486 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9487 * config/i386/i386.c, config/i386/i386.md: Likewise.
9488 * config/i860/i860.c, config/i960/i960.c: Likewise.
9489 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9490 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9491 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9492 * config/mips/mips.c, config/mips/mips.md: Likewise.
9493 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9494 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9495 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9496 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9497 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9498 * config/ns32k/ns32k.md: Likewise.
9500 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9502 * rtl.c (copy_rtx): Handle 'T' format letter.
9503 * gensupport.c (collect_insn_data): Likewise.
9504 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9506 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9508 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9509 -B option. Use 'dir' not 'foo' as example directory name.
9511 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9513 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9514 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9516 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9518 * doc/cppinternals.texi: Improve formatting and logical markup.
9520 2001-07-03 Andreas Jaeger <aj@suse.de>
9522 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9524 * genrecog.c (write_header): Include reload.h for prototypes in
9525 insn-recog.c.
9527 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9529 config:
9530 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9531 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9532 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9533 i386_pe_valid_type_attribute_p): Add.
9534 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9535 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9537 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9539 * explow.c (plus_constant_wide, case LO_SUM): New case.
9540 (plus_constant_for_output_wide): Delete.
9541 * rtl.h (plus_constant_for_output): Delete.
9542 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9543 instead of plus_constant_for_output.
9544 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9545 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9546 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9547 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9548 * config/sparc/sparc.md: Likewise.
9549 Convert some change_address calls to adjust_address.
9551 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9553 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9554 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9555 documentation of -std and -Wwrite-strings.
9557 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9559 * cse.c (canon_hash): Don't register registers in very small
9560 register classes, as extending their lifetime might cause
9561 reload to fail.
9563 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9565 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9567 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9568 (try_redirect_by_replacing_jump): Update properly the count
9569 and frequency information.
9571 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9573 * toplev.c (dump_file_index): Move SSA dumps just after first
9574 jump dump.
9575 (dump_file): Corresponding changes.
9576 (rest_of_compilation): Move SSA path to just after the first
9577 jump pass.
9578 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9579 * doc/invoke.texi: Update dump file #s as they were completely
9580 out of date with reality.
9582 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9584 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9586 * expr.c (emit_move_insn_1): Deal with non-default
9587 STACK_PUSH_CODE.
9589 * expr.c (emit_single_push_insn): Fix warning.
9591 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9593 * expr.c (emit_move_insn_1): Avoid modifying
9594 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9596 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9598 * emit-rtl.c (adjust_address): New function.
9599 * expr.h (adjust_address): Add declaration.
9600 * builtins.c: Replace some calls to change_address with calls to it
9601 or to validize_mem.
9602 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9603 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9604 * config/arm/arm.c, config/convex/convex.c: Likewise.
9605 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9606 * config/i386/i386.c, config/i386/i386.md: Likewise.
9607 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9608 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9609 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9610 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9611 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9613 2001-07-02 Jim Wilson <wilson@redhat.com>
9615 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9617 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9619 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9620 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9622 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9624 * cppinit.c (lang_defaults): New table.
9625 (set_lang): Just read from lang_defaults into the live options
9626 structure.
9628 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9630 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9631 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9632 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9634 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9636 * doc/install.texi: Various spelling and markup fixes.
9637 (Installing GCC): Component specific installation instructions are
9638 gone.
9639 Fix reference.
9640 Warn about removing old install dir in the presence of shared libs.
9641 (Configuration): Invoke with options target to match configure
9642 --help.
9643 Consistently refer to gas, gld pathnames.
9644 Invert --enable-multilib documentation.
9645 Remove references to old compiler versions.
9647 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9649 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9651 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9653 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9654 section.
9655 (Specific, mips*-sgi-irix5): Note IDO download.
9656 Reworded MIPS C hints.
9657 Use GNU as instead of GAS.
9658 Markup fixes.
9659 Removed SGI Freeware reference, IRIX 6 only.
9660 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9661 Note N64 library requirement/workaround.
9662 Update O32 hints.
9663 Complete list of structure passing bug victims.
9665 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9667 * doc/install.texi: Remove CVS Id.
9669 2001-07-02 Andreas Jaeger <aj@suse.de>
9671 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9672 (find_inherently_necessary): Remove unused variable.
9674 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9676 * c-common.h (TDI_inlined): New ast dump phase.
9677 (dump_flag_name): New function.
9678 * c-dump.c (dump_files): Add inlined phase.
9679 (dump_flag_name): Define.
9680 * doc/invoke.texi (-fdump-ast-inlined): Document.
9682 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9684 * stor-layout.c (layout_decl): Revert change to handling of alignment
9685 in packed types.
9687 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9689 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9690 for FIELD_DECL.
9692 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9694 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9695 is special.
9697 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9699 * tlink.c (recompile_files): Remove COMPILER_PATH and
9700 LIBRARY_PATH from the environment.
9702 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9704 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9705 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9706 enumerators.
9707 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9709 * c-parse.in (OBJC_STRING): Kill.
9710 (objc_string): Decompose to [objc_string] '@' STRING.
9711 (reswords): Take the leading '@' off all the Objective C keywords.
9712 (objc_rid_sans_at): Kill.
9713 (init_reswords): Don't initialize it.
9714 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9715 (_yylex): Kill reconsider label. Look ahead one token after
9716 an '@'; if we get an identifier, check whether it's an
9717 Objective C @-keyword. If so, return the keyword. Otherwise,
9718 put back the token and return the '@' as a terminal.
9720 * cpplib.c (lex_macro_node): Remove unnecessary check for
9721 leading '@' on identifier. Clarify control flow and commentary.
9723 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9725 * cse.c (new_label_ref): Variable deleted.
9726 (insert): Remove set of new_label_ref.
9727 (check_for_label_ref): New function.
9728 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9730 See ChangeLog.5 for earlier changes.