Restore HPUX gcj bootstrap.
[gcc.git] / gcc / ChangeLog
1 2001-08-10 Anthony Green <green@redhat.com>
2
3 * java/class.c (emit_register_classes): Conditionalize code on
4 JCR_SECTION_NAME.
5
6 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7
8 * doc/install.texi (Specific, avr): Fix cross-reference to the
9 main manual to work both for info and HTML versions.
10
11 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
12
13 * stmt.c (expand_null_return_1): Remove code to generate simple returns
14 and "use_goto" argument.
15 (expand_null_return, expand_value_return): Update all callers.
16 * function.c (expand_function_end): Remove code to generate simple
17 return.
18 * config/vax/vax.md (epilogue): New expander for function return.
19 * doc/md.texi (epilogue): Remove "if defined".
20
21 2001-08-09 Zack Weinberg <zackw@stanford.edu>
22
23 * Makefile.in: Partially revert my previous change:
24 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
25 of the hashtab.o and safe-ctype.o rules.
26
27 2001-08-09 Richard Henderson <rth@redhat.com>
28
29 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
30 (USE_COLLECT2): Remove duplicate definition.
31 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
32 (use_collect2): Remove dead code.
33 * configure.in (use_collect2): Remove will_use_collect2 and
34 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
35 * configure: Rebuild.
36
37 * target.h (targetm.asm_out.constructor): New.
38 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
39 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
40 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
41 * varasm.c (in_ctors, in_dtors): New.
42 (assemble_constructor, assemble_destructor): Remove.
43 (default_stabs_asm_out_destructor): New.
44 (default_named_section_asm_out_destructor): New.
45 (dtors_section, default_dtor_section_asm_out_destructor): New.
46 (default_stabs_asm_out_constructor): New.
47 (default_named_section_asm_out_constructor): New.
48 (ctors_section, default_ctor_section_asm_out_constructor): New.
49 * output.h: Update declarations.
50 * c-decl.c (c_expand_body): Use target hooks instead of
51 assemble_constructor and assemble_destructor.
52 * profile.c (output_func_start_profiler): Likewise.
53 * objc/objc-act.c (finish_objc): Likewise.
54 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
55 for the constructor.
56 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
57
58 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
59 (DTORS_SECTION_ASM_OP): Likewise.
60 (__CTOR_LIST__): Use attribute section when possible.
61 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
62
63 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
64 ASM_OUTPUT_CONSTRUCTOR.
65
66 * config/darwin.c (machopic_asm_out_constructor): New.
67 (machopic_asm_out_destructor): New.
68 * config/darwin-protos.h: Update declarations.
69 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
70 (ASM_OUTPUT_DESTRUCTOR): Remove.
71 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
72 * config/nextstep.c (nextstep_asm_out_constructor): New.
73 (nextstep_asm_out_destructor): New.
74 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
75 (ASM_OUTPUT_DESTRUCTOR): Remove.
76 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
77 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
78 ASM_OUTPUT_*STRUCTOR.
79 * config/i386/aix386ng.h: Likewise.
80
81 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
82 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
83 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
84 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
85 * config/lynx.h: Likewise.
86 * config/netware.h: Likewise.
87 * config/psos.h: Likewise.
88 * config/alpha/alpha-interix.h: Likewise.
89 * config/alpha/elf.h: Likewise.
90 * config/arc/arc.h: Likewise.
91 * config/arm/aof.h: Likewise.
92 * config/arm/coff.h: Likewise.
93 * config/arm/elf.h: Likewise.
94 * config/c4x/c4x.h: Likewise.
95 * config/h8300/h8300.h: Likewise.
96 * config/i386/cygwin.h: Likewise.
97 * config/i386/djgpp.h: Likewise.
98 * config/i386/i386-coff.h: Likewise.
99 * config/i386/i386-interix.h: Likewise.
100 * config/i386/sco5.h: Likewise.
101 * config/i386/vsta.h: Likewise.
102 * config/i386/win32.h: Likewise.
103 * config/i960/i960-coff.h: Likewise.
104 * config/ia64/sysv4.h: Likewise.
105 * config/m68hc11/m68hc11.h: Likewise.
106 * config/m68k/coff.h: Likewise.
107 * config/m68k/mot3300.h: Likewise.
108 * config/m88k/m88k.h: Likewise.
109 * config/mcore/mcore-pe.h: Likewise.
110 * config/mcore/mcore.h: Likewise.
111 * config/mips/elf.h: Likewise.
112 * config/mips/elf64.h: Likewise.
113 * config/mips/iris6.h: Likewise.
114 * config/pa/pa64-hpux.h: Likewise.
115 * config/rs6000/sysv4.h: Likewise.
116 * config/sh/sh.h: Likewise.
117 * config/sparc/litecoff.h: Likewise.
118
119 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
120 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
121 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
122 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
123 (ASM_OUTPUT_DESTRUCTOR): Remove.
124 * config/a29k/a29k.c: Move include of tree.h.
125 * config/a29k/udi.h: Delete file.
126 * config/alpha/alpha.c (vms_asm_out_constructor): New.
127 (vms_asm_out_destructor): New.
128 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
129 (EXTRA_SECTION_FUNCTIONS): Likewise.
130 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
131 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
132 * config/c4x/c4x.c: Move include of tree.h.
133 * config/clipper/clipper.c (clix_asm_out_constructor): New.
134 (clix_asm_out_destructor): New.
135 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
136 (ASM_OUTPUT_DESTRUCTOR): Remove.
137 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
138 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
139 (TARGET_ASM_CONSTRUCTOR): New.
140 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
141 (sco_asm_out_constructor): New.
142 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
143 * config/i386/svr3gas.h: Remove stack grows up code.
144 Remove code duplicated from i386/sysv3.h.
145 (TARGET_ASM_CONSTRUCTOR): New.
146 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
147 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
148 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
149 (TARGET_ASM_CONSTRUCTOR): New.
150 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
151 (m68hc11_asm_out_destructor): New.
152 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
153 (TARGET_ASM_DESTRUCTOR): New.
154 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
155 * config/m68k/dpx2.h: Properly undef all the bits inherited from
156 config/svr3.h pertaining to section manipulation.
157 * config/m68k/dpx2g.h: Remove #if 0 code.
158 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
159 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
160 (ASM_OUTPUT_CONSTRUCTOR): Remove.
161 (TARGET_ASM_CONSTRUCTOR): New.
162 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
163 (m88k_svr3_asm_out_constructor): New.
164 (m88k_svr3_asm_out_destructor): New.
165 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
166 (ASM_OUTPUT_DESTRUCTOR): Remove.
167 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
168 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
169 * config/rs6000/aix.h: Likewise.
170 * config/mips/rtems64.h: Don't undef removed constructor related bits.
171 * config/mips/vxworks.h: Likewise.
172 * config/rs6000/lynx.h: Likewise.
173 * config/sh/elf.h: Likewise.
174 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
175 (DTORS_SECTION_ASM_OP): New.
176 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
177 (ASM_OUTPUT_DESTRUCTOR): Remove.
178 * config/sparc/sol2-sld-64.h: Likewise.
179 * config/vax/vax.c (vms_asm_out_constructor): New.
180 (vms_asm_out_destructor): New.
181 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
182 (ASM_OUTPUT_DESTRUCTOR): Remove.
183 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
184
185 * doc/tm.texi (@node Initialization): Update.
186
187 2001-08-09 Richard Henderson <rth@redhat.com>
188
189 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
190 (__do_global_dtors_aux): Use gp-relative static data to avoid
191 one dynamic relocation.
192 (__do_frame_setup): Register Java classes.
193 * config/alpha/crtend.asm (__JCR_END__): New.
194
195 2001-08-09 Zack Weinberg <zackw@stanford.edu>
196
197 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
198 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
199 (GEN, STAGESTUFF): Add new files.
200 (insn-constants.h, s-constants, tm-preds.h, s-preds,
201 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
202 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
203 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
204 as well as insn-codes.h and insn-flags.h in config.h; and no
205 extra headers in tconfig.h and hconfig.h.
206
207 * gencodes.c: Eliminate code to generate predicate declarations
208 or #defines for md-file constants.
209 * genconstants.c, genpreds.c: New files.
210
211 * i386.md: Re-order guard expressions such that TARGET_64BIT
212 comes first, when this permits better optimization. Add
213 TARGET_64BIT to more x86-64 patterns. Add comment explaining
214 why this is desirable.
215
216 2001-08-09 Jakub Jelinek <jakub@redhat.com>
217
218 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
219 (find_fde_for_dso): Remove.
220 (_Unwind_IteratePhdrCallback): New.
221 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
222 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
223
224 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
225
226 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
227 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
228
229 2001-08-09 Graham Stott <grahams@redhat.com>
230
231 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
232 (vis_no_unit): Use it.
233 (visualize_no_unit): Add the insn only if room exists.
234
235 2001-08-09 Graham Stott <grahams@redhat.com>
236
237 * predict.c (estimate_probability): Replace magic numbers with
238 appropriate enumeration.
239
240 2001-08-09 Graham Stott <grahams@redhat.com>
241
242 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
243 parameter.
244 (EXTRACT_FLAGS): Likewise.
245
246 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
247
248 * config/mips/mips.c (mips_legitimate_address_p): Check for
249 CONST_INT in last patch.
250
251 2001-08-08 Anthony Green <green@redhat.com>
252
253 * java/class.c (emit_register_classes): Use assemble_jcr if
254 possible. Keep the original mechanism as a fallback.
255 * defaults.h (JCR_SECTION_NAME): Define if we have named section
256 and weak symbol support.
257 * crtstuff.c (__JCR_LIST__): Define.
258 (__JCR_END__): Define.
259 (_Jv_RegiserClasses): Define weak symbol if possible.
260 (__do_global_ctors_aux): Register classes for ELF targets with
261 weak symbol support.
262
263 2001-08-08 Kazu Hirata <kazu@hxi.com>
264
265 * dbxout.c: Fix comment formatting.
266 * dependence.c: Likewise.
267 * df.c: Likewise.
268 * diagnostic.c: Likewise.
269 * dominance.c: Likewise.
270 * doprint.c: Likewise.
271 * dwarf2out.c: Likewise.
272 * dwarfout.c: Likewise.
273 * emit-rtl.c: Likewise.
274 * except.c: Likewise.
275 * explow.c: Likewise.
276 * expmed.c: Likewise.
277 * expr.c: Likewise.
278 * flow.c: Likewise.
279 * fold-const.c: Likewise.
280 * function.c: Likewise.
281
282 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
283
284 * global.c (retry_global_alloc): Avoid shadowing allocno.
285
286 2001-08-08 Mark Mitchell <mark@codesourcery.com>
287
288 * except.c (remove_fixup_regions): Fix typo.
289
290 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
291
292 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
293 unsigned HOST_WIDE_INT to avoid warning.
294 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
295 * flow.c (set_block_for_new_insns): Likewise.
296
297 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
298
299 * sibcall.c (return_value_pseudo): New static variable.
300 (skip_copy_to_return_value): Handle return_value_pseudo.
301 (call_ends_block_p): Ensure that return_value_pseudo is set.
302 (optimize_sibling_and_tail_recursive_call): Discover the
303 load of pseudo return value in alternate exit block.
304
305 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
306
307 * calls.c (ECF_ALWAYS_RETURN): New constant.
308 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
309 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
310 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
311 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
312 * rtl.c (reg_note_name): New name.
313 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
314
315 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
316
317 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
318
319 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
320
321 * alias.c (get_alias_set): Return a previously calculated
322 alias set for a VAR_DECL.
323 * function.c (gen_mem_addressof): Calculate the alias set before
324 touching the RTL.
325
326 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
327
328 * predict.def: Set hitrates according our experimental run.
329
330 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
331
332 * i386.h (HARD_REGNO_RENAME_OK): New macro.
333
334 2001-08-08 H.J. Lu <hjl@gnu.org>
335
336 * config/mips/mips.c (mips_unique_section): New. Copied from
337 config/mips/elf.h.
338
339 * config/mips/mips-protos.h (mips_unique_section): New
340 prototype.
341
342 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
343
344 * config/mips/little.h: New. Generic little endian mips
345 targets. Only mips*-*-linux* is converted to use it so far.
346
347 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
348 (WCHAR_TYPE): Defined
349 (WCHAR_TYPE_SIZE): Likewise.
350 (INIT_SUBTARGET_OPTABS): Likewise.
351 (BSS_SECTION_ASM_OP): Likewise.
352 (SBSS_SECTION_ASM_OP): Likewise.
353 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
354 (ASM_DECLARE_OBJECT_NAME): Likewise.
355 (UNIQUE_SECTION): Likewise.
356 (EXTRA_SECTIONS): Likewise.
357 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
358 (ASM_OUTPUT_DESTRUCTOR): Likewise.
359 (ASM_OUTPUT_DEF): Likewise.
360 (HANDLE_SYSV_PRAGMA): Removed.
361 (NO_IMPLICIT_EXTERN_C): Likewise.
362 (TARGET_MEM_FUNCTIONS): Likewise.
363 (STARTFILE_SPEC): Likewise.
364 (ENDFILE_SPEC): Likewise.
365 (LIB_SPEC): Likewise.
366 (INVOKE__main): Likewise.
367 (CTOR_LIST_BEGIN): Likewise.
368 (CTOR_LIST_END): Likewise.
369 (DTOR_LIST_BEGIN): Likewise.
370 (DTOR_LIST_END): Likewise.
371 (SET_ASM_OP): Likewise.
372 (ASM_OUTPUT_SOURCE_LINE): Likewise.
373 (ASM_OUTPUT_DEF): Likewise.
374 (ASM_OUTPUT_IDENT): Likewise.
375
376 * config/mips/mips.h (ASM_SPEC): Undefine before define.
377 (CPLUSPLUS_CPP_SPEC): Likewise.
378 (ASM_APP_ON) Redefine only if not defined.
379 (ASM_APP_OFF): Likewise.
380 (ASM_OUTPUT_SOURCE_LINE): Likewise.
381 (ASM_OUTPUT_IDENT): Likewise.
382
383 * config.gcc: Update tm_file for Linux/mips.
384
385 2001-08-08 Bernd Schmidt <bernds@redhat.com>
386
387 * cselib.c (cselib_record_sets): If insn is predicated, turn
388 sources into IF_THEN_ELSEs.
389
390 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
391 Turn into define_insn_and_split.
392
393 * sched-deps.c: Include "cselib.h".
394 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
395 Use cselib to turn memory addresses into VALUEs.
396 (sched_analyze): Call cselib_init/cselib_finish if necessary.
397 * sched-int.h (struct sched_info): New member USE_CSELIB.
398 * sched-ebb.c (ebb_sched_info): Initialize it.
399 * sched-rgn.c (rgn_sched_info): Likewise.
400 * Makefile.in (sched-deps.o): Update dependencies.
401
402 * cselib.h (cselib_subst_to_values): Declare.
403 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
404 that have no value and autoincs to be handled by generating a new
405 dummy value.
406
407 2001-08-08 Graham Stott <grahams@redhat.com>
408
409 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
410 within fixed length SEQUENCE.
411
412 2001-08-08 Graham Stott <grahams@redhat.com>
413
414 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
415 (diagnostic_prefixing_rule): Likewise.
416 (diagnostic_line_cutoff): Likewise.
417 (diagnostic_kind_count): Likewise.
418
419 2001-08-08 Graham Stott <grahams@redhat.com>
420
421 * alias.c (find_base_decl): Delete redundent assignment.
422
423 2001-08-08 Graham Stott <grahams@redhat.com>
424
425 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
426 (abs): Uppercase and paranthesize macro parameter.
427 (MEM_DEPENDENCY): Add whitespace.
428
429 2001-08-08 Graham Stott <grahams@redhat.com>
430
431 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
432 failure check for CONST_INT
433
434 2001-08-08 Graham Stott <grahams@redhat.com>
435
436 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
437 (libcall_dead_p): Likewise.
438
439 (mark_used_regs): Constify fmt.
440 (find_use_as_address): Likewise.
441
442 2001-08-08 Graham Stott <grahams@redhat.com>
443
444 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
445 parameter.
446
447 2001-08-08 Graham Stott <grahams@redhat.com>
448
449 * combine.c (combine_simplify_rtx): Update comment and
450 remove erroneous test.
451
452 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
453
454 * cppinit.c (cpp_finish): Pop the final buffer without comment.
455 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
456 take care to avoid multiple no-newline at EOF warnings in that
457 case.
458
459 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
460
461 * calls.c (expand_call): Do not emit INSN_SETJMP note.
462 (emit_library_call_value_1): Likewise.
463 (emit_call_1): Emit REG_SETJMP note.
464 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
465 of INSN_SETJMP
466 * cselib.c (cselib_process_insn): Likewise.
467 * flow.c (propagate_block): Likewise.
468 * loop.c (find_and_verify_loops): Likewise.
469 * reload.c (find_equiv_regs): Likewise.
470 * reload1.c (reload): Likewise.
471 * resource.c (mark_referenced_resources,
472 mark_set_resources): Likewise.
473 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
474 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
475 * haifa-sched.c (unlink_other_notes): Likewise.
476 (reemit_notes): Likewise.
477 * sched-ebb.c (sched_ebb): Likewise.
478 * sched-rgc.c (sched_region): Likewise.
479 * rtl.c (note_insn_name): Likewise.
480 (reg_note_name): Add REG_SETJMP
481 * rtl.h (reg_note): Add REG_SETJMP.
482 (insn_note): Remove NOTE_INSN_SETJMP.
483
484 * profile.c (branch_prob): Add fake edges for setjmp.
485
486 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
487
488 * config.gcc: Quote target_cpu_default2 correctly for
489 powerpc*-*-* targets.
490
491 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
492
493 * cpplib.h, line-map.h: Update comments.
494 * cppmain.c (printer_init): Move inline.
495 (maybe_print_line, print_line): Take a map pointer.
496 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
497 (cb_file_change): Don't use prior value of print.map.
498
499 2001-08-07 David Edelsohn <edelsohn@gnu.org>
500
501 * doc/install.texi: Document fine-grained multilib configuration.
502
503 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
504
505 * rtlanal.c (find_first_parameter_load): Call note_stores
506 only on the instructions.
507
508 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
509
510 * alias.c (nonlocal_mentioned_p):
511 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
512 * calls.c (emit_call_1): Likewise.
513 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
514 * cselib.c (cselib_process_insn): Likewise.
515 * df.c (df_insns_modify): Likewise.
516 * flow.c (need_fake_edge_p): Likewise.
517 (propagate_one_insn): Likewise.
518 * haifa-sched.c (reemit_notes): Likewise.
519 * integrate.c (copy_insn_list): Likewise.
520 * jump.c (delete_prior_computation): Likewise.
521 * local-alloc.c (validate_equiv_mem): Likewise.
522 * loop.c (scan_loop): Likewise.
523 * predict.c (estimate_probability): Likewise.
524 * reload.c (reload): Likewise.
525 * sched-deps (sched_analyze): Likewise.
526 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
527 * gcse.c (compute_hash_table): Likewise.
528 (mark_call): Likewise.
529 (store_killed_in_insn): Likewise.
530
531 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
532
533 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
534
535 2001-08-06 Richard Henderson <rth@redhat.com>
536
537 * varasm.c (assemble_gc_entry): Remove.
538 * output.h: Likewise.
539
540 2001-08-06 Richard Henderson <rth@redhat.com>
541
542 * varasm.c (assemble_constructor): Take a symbol_ref and a
543 priority instead of a bare string. Move priority handling
544 here from cp/decl2.c.
545 * output.h: Update decls.
546
547 * c-decl.c (c_expand_body): Update calls to assemble_constructor
548 and assemble_destructor.
549 * profile.c (output_func_start_profiler): Likewise.
550 * objc/objc-act.c (finish_objc): Likewise.
551 (build_module_descriptor): Return the symbol not the symbol name.
552
553 2001-08-06 David Edelsohn <edelsohn@gnu.org>
554
555 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
556 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
557 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
558 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
559 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
560 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
561
562 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
563
564 * cpperror.c (print_containing_files): Moved to line-map.c.
565 (print_location): line-map.c handles re-listing or otherwise.
566 * cpphash.h (struct lexer_state): Remove next_bol.
567 (struct cpp_buffer): Remove include_stack_listed.
568 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
569 Remove faked buffer handling.
570 (_cpp_do_file_change): Tweak.
571 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
572 * cppmain.c (struct printer): Remove filename.
573 (print_line, cb_file_change): Update accordingly.
574 * line-map.c: Include intl.h.
575 (init_line_maps): Initialize last_listed.
576 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
577 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
578 (print_containing_files): New.
579 * line-map.h (struct line_maps): New member last_listed.
580 (print_containing_files, INCLUDED_FROM): New.
581 * Makefile.in: Update.
582 * po/POTFILES.in: Add line-map.c.
583
584 2001-08-06 Richard Henderson <rth@redhat.com>
585
586 * except.c (convert_from_eh_region_ranges_1): Never mark
587 USE or CLOBBER insns as throwing.
588
589 * expr.c (store_constructor): Don't clobber memory targets.
590
591 2001-08-06 Andreas Jaeger <aj@suse.de>
592
593 * profile.c (branch_prob): Remove unused variable insn.
594
595 * Makefile.in (local-alloc.o): Add dependency on except.h.
596
597 * local-alloc.c: Include except.h for can_throw_internal prototype.
598
599 2001-08-06 Richard Henderson <rth@redhat.com>
600
601 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
602 * function.c (expand_main_function): Implement it.
603 * doc/tm.texi: Document it.
604
605 2001-08-06 Stan Shebs <shebs@apple.com>
606
607 * doc/install.texi: Document powerpc-*-darwin* details.
608
609 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
610
611 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
612 (ASM_CPU_SPEC): Move back to rs6000.h
613 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
614
615 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
616
617 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
618 readded.
619
620 * config/rs6000/linux64.h: Ditto.
621
622 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
623 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
624 nothing.
625
626 Remove accidently readded definitions of FUNCTION_PROLOGUE,
627 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
628
629 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
630 to rs6000.h
631
632 2001-08-05 Richard Henderson <rth@redhat.com>
633
634 * local-alloc.c (update_equiv_regs): Do not move insns that
635 can throw.
636
637 2001-08-05 Jan Hubicka <jh@suse.cz>
638
639 * Makefile.in (reload1.o): Add dedendancy on except.h
640 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
641 prototypes.
642 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
643 indicating wehther edges has been cleaned up.
644 * reload1.c: Inlucde except.h
645 (fixup_abnormal_edges): Accept deleted insns.
646 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
647 after combine.
648
649 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
650
651 * cpplib.c (do_line): Correct line number after pop_buffer.
652
653 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
654
655 PR preprocessor/3824
656 * line-map.c: Update comments.
657 * line-map.h: Update comments.
658 * tradcif.y: Don't consider large numbers unsigned.
659
660 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
661
662 PR preprocessor/3081
663 * c-lex.c (map): New.
664 (cb_file_change): Update map and use it.
665 (cb_def_pragma, cb_define, cb_undef): Use map and line.
666 (c_lex): Update to use map.
667 * cpperror.c (print_location): Move to using logical line numbers.
668 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
669 (cpp_make_system_header): Similarly.
670 (_cpp_execute_include): Stop line numbering hacks. Store the
671 line we will return to.
672 * cpphash.h (CPP_BUF_LINE): Remove.
673 (struct cpp_buffer): Remove lineno and pseudo_newlines.
674 Add map and return_to_line.
675 (_cpp_do_file_change): Update.
676 * cppinit.c (cpp_start_read): Update line kludge.
677 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
678 (trigraph_ok): Use logical line numbers for diagnostics.
679 (skip_block_comment): Likewise.
680 (skip_whitespace): Likewise.
681 (skip_line_comment): Use pfile->line instead.
682 (_cpp_lex_token): Update to use logical line numbering exclusively.
683 Handle BOL locally. Accept new lines in directives, but keep
684 pfile->line decremented. Diagnostics use logical lines. Update
685 directive handling.
686 * cpplib.c (SEEN_EOL): New.
687 (skip_rest_of_line, check_eol): Use it.
688 (end_directive): Increase line number when accepting the newline
689 at the end of a directive.
690 (run_directive): Simplify.
691 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
692 (_cpp_do_file_change): Update to take buffer line number as an
693 argument, and store the current map in the cpp_reader. Remove
694 line number kludges.
695 (_cpp_do__Pragma): Restore output position after a _Pragma.
696 (cpp_push_buffer): Don't set output line or lineno.
697 (_cpp_pop_buffer): Transfer more info from a faked buffer.
698 Remove line kludge. Set output_line.
699 * cppmacro.c (builtin_macro): Update handling of __LINE__.
700 (parse_arg): Use logical lines.
701 (save_lookahead_token): Save EOFs too now.
702 * cppmain.c (struct printer): Fix comments.
703 (printer_init): Simplify, let caller do errors.
704 (scan_translation_unit, check_multiline_token, dump_macro): Update.
705 (maybe_print_line): Simplify.
706 (print_line): Don't print a linemarker if -P.
707 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
708 (cb_file_change): Simplify.
709 * line-map.h (LAST_SOURCE_LINE): Fix.
710 (CURRENT_LINE_MAP): New.
711
712 2001-08-05 Bernd Schmidt <bernds@redhat.com>
713
714 * doloop.c (doloop_modify_runtime): Properly compute number of
715 iterations if loop was unrolled.
716
717 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
718 if their CSELIB_VAL_PTRs are.
719
720 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
721 (setup_spill_pointers): Initialize it.
722 (spill_restore_mem): Set it.
723 (do_spill, do_restore): Use it to add REG_INC note.
724 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
725
726 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
727 asms if other insns are available.
728
729 * config/ia64/ia64.c (condop_operator): New predicate.
730 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
731 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
732 patterns.
733
734 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
735 temporary register than directly using a MEM.
736
737 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
738
739 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
740 parameter in last change.
741
742 2001-08-04 Zack Weinberg <zackw@panix.com>
743
744 * sparc.md: Don't use #if inside C test expression.
745
746 2001-08-04 Richard Henderson <rth@redhat.com>
747
748 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
749
750 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
751
752 * cpphash.h (struct cpp_reader): New member directive_line.
753 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
754 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
755 do_pragma): Pass line to callbacks.
756 (start_directive): Record line of directive.
757 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
758 cb_include): Similarly.
759 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
760 Similarly.
761
762 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
763
764 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
765 comment.
766
767 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
768
769 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
770
771 * reload1.c (fixup_abnormal_edges): New static function.
772 (reload): Use it.
773
774 * flow.c (need_fake_edge_p): New function.
775 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
776 avoid call insn to be very last insn in the insn stream.
777
778 * profile.c (branch_prob): Call flow_call_edges_add instead of
779 doing that by hand; cleanup cfg to re-merge basic blocks once
780 we are done.
781
782 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
783
784 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
785 are also on line-map.h.
786 * cppfiles.c (stack_include_file): Update.
787 * cpphash.h (struct cpp_buffer): New member return_at_eof.
788 (_cpp_pop_buffer): New.
789 * cppinit.c (cpp_destroy, cpp_finish): Update.
790 (do_includes): Mark each buffer to return at EOF.
791 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
792 return as requested.
793 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
794 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
795 * cpplib.h (cpp_pop_buffer): Remove.
796 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
797 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
798 buffers.
799 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
800 to pop buffers.
801 (do_preprocessing): Update.
802 * fix-header.c (read_scan_file): Update. No need to pop buffers.
803 * c-parse.in (_yylex): Similarly.
804 * scan-decls.c (scan_decls): Similarly.
805 * line-map.h: Update comments.
806
807 * objc/Make-lang.in (objc-act.o): Update dependencies.
808
809 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
810
811 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
812 and soft register for operand 0.
813 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
814
815 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
816
817 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
818 register for operand 0.
819 ("bitcmpqi_z_used"): Allow memory for operand 0.
820 (split "bitcmpqi"): New split to handle address reg as operand 1.
821
822 2001-08-04 Andreas Jaeger <aj@suse.de>
823
824 * gcse.c: Revert Daniel's last patch.
825
826 2001-08-03 Zack Weinberg <zackw@stanford.edu>
827
828 * sparc-protos.h: Add prototypes for fp_zero_operand and
829 reg_or_0_operand.
830 * sh-protos.h: Add prototype for fpul_operand.
831
832 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
833
834 * doc/extend.texi (Other Builtins): Fix typo in last change.
835
836 2001-08-03 Richard Henderson <rth@redhat.com>
837
838 * target.h (gcc_target): Add asm_out.named_section,
839 section_type_flags, have_named_sections.
840 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
841 (TARGET_HAVE_NAMED_SECTIONS): New.
842 (TARGET_SECTION_TYPE_FLAGS): New.
843
844 * Makefile.in (toplev.o): Depend on TARGET_H.
845 (varasm.o, dbxout.o): Likewise.
846 * c-common.c (decl_attributes): Check targetm.have_named_sections
847 instead of ifdef ASM_OUTPUT_SECTION_NAME.
848 * dbxout.c (dbxout_function_decl): Likewise.
849 (dbxout_function_end): Likewise.
850 * toplev.c (compile_file): Likewise.
851 * varasm.c (exception_section): Likewise.
852 * cp/decl2.c (finish_objects): Likewise.
853
854 * defaults.h (EH_FRAME_SECTION): Remove.
855 (EH_FRAME_SECTION_ASM_OP): Remove.
856 (EH_FRAME_SECTION_NAME): New.
857 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
858 (UNIQUE_SECTION_P): Remove.
859 * dwarf2out.c (SECTION_FORMAT): Remove.
860 (ASM_OUTPUT_SECTION): Remove.
861 (output_call_frame_info): Use named_section_flags.
862 (output_comp_unit, dwarf2out_start_source_file): Likewise.
863 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
864 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
865 * varasm.c (in_eh_frame, eh_frame_section): Remove.
866 (named_section_flags): New.
867 (named_section): Use it and targetm.section_type_flags.
868 (resolve_unique_section): New.
869 (assemble_start_function): Use it.
870 (asm_emit_uninitialised, assemble_variable): Likewise.
871 (default_section_type_flags): New.
872 (default_no_named_section, default_elf_asm_named_section): New.
873 (default_coff_asm_named_section, default_pe_asm_named_section): New.
874 * output.h: Update varasm.c decls.
875 (SECTION_*): New flags.
876
877 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
878 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
879
880 * config/elfos.h (UNIQUE_SECTION_P): Remove.
881 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
882 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
883 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
884 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
885 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
886 * config/mips/elf.h, config/mips/elf64.h: Likewise.
887 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
888 * config/pa/pa64-hpux.h,
889
890 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
891 (TARGET_ASM_NAMED_SECTION): New.
892 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
893 * config/alpha/vms.h, config/arm/coff.h: Likewise.
894 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
895 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
896 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
897 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
898 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
899 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
900 * config/i386/sco5.h, config/i386/win32.h: Likewise.
901 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
902 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
903 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
904 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
905 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
906 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
907 * config/sparc/sysv4.h: Likewise.
908
909 * config/nextstep.h: Error until named sections implemented.
910
911 * config/a29k/a29k.c (a29k_asm_named_section): New.
912 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
913 (vms_section_type_flags, vms_asm_named_section): New.
914 * config/arm/arm.c (arm_elf_asm_named_section): New.
915 * config/avr/avr.c (asm_output_section_name): Remove.
916 * config/avr/avr-protos.h: Update.
917 * config/c4x/c4x.c (c4x_asm_named_section): New.
918 * config/h8300/h8300.c (h8300_asm_named_section): New.
919 * config/i386/i386.c (sco_asm_named_section): New.
920 * config/i386/winnt.c (SECTION_PE_SHARED): New.
921 (i386_pe_section_type_flags): New.
922 (i386_pe_asm_named_section): New.
923 * config/i386/i386-protos.h: Update.
924 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
925 * config/mcore/mcore.c (mcore_asm_named_section): New.
926 * config/mips/mips.c (iris6_asm_named_section): New.
927 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
928 instead of UNIQUE_SECTION_P.
929 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
930 (xcoff_asm_named_section): New.
931 * config/sh/sh.c (sh_asm_named_section): New.
932 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
933
934 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
935 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
936 (EH_FRAME_SECTION_NAME): New.
937 (EXCEPTION_SECTION): New.
938 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
939 (DEBUG_*_SECTION): Remove.
940 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
941 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
942 (EH_FRAME_SECTION_ASM_OP): Remove.
943
944 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
945 (ASM_OUTPUT_SECTION_NAME): Remove.
946 (TARGET_ASM_NAMED_SECTION): New.
947 (TARGET_HAVE_NAMED_SECTIONS): New.
948 (TARGET_SECTION_TYPE_FLAGS): New.
949 (EH_FRAME_SECTION_ASM_OP): Remove.
950 (EH_FRAME_SECTION_NAME): New.
951
952 2001-08-03 Zack Weinberg <zackw@stanford.edu>
953
954 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
955 for complex expressions when cfun == 0.
956 * doc/extend.texi: Document that __builtin_constant_p can be
957 used in data initializers as well as functions.
958
959 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
960
961 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
962 variable I locally, instead of expecting a declaration in the
963 calling context.
964
965 2001-08-03 Richard Henderson <rth@redhat.com>
966
967 * except.c (collect_one_action_chain): Add an explicit cleanup
968 action if regions surrounding a catch were encoded entirely
969 within the call-site entry.
970
971 2001-08-03 Richard Henderson <rth@redhat.com>
972
973 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
974 don't take REGNO of a non-register.
975
976 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
977
978 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
979 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
980 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
981 (__gthread_mutex_init_function): New function for mutex initialization.
982
983 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
984
985 * Makefile.in: Revert screwed up commit.
986
987 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
988
989 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
990 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
991 merged by linker script to get a final _exit().
992 (__do_global_dtors): New for destructor handling in specific exit
993 section.
994 (__do_global_ctors): New for constructors in specific install section.
995 (__map_data_section): Map data sections before running constructors.
996 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
997 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
998 (DTORS_SECTION_ASM_OP): Likewise.
999 (CTORS_SECTION_FUNCTION): Define to force a reference to
1000 __do_global_ctors.
1001 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1002
1003 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1004
1005 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1006
1007 * Makefile.in: Add df.h to gcse.c dependencies.
1008
1009 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1010
1011 * varasm.c (output_constant_def_contents): Use for the length of a
1012 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1013 depending on which is larger.
1014
1015 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1016
1017 * gcse.c: Include df.h for use as a dataflow analyzer.
1018 Remove regvec.
1019 Declaration of reg_set_info: gone.
1020 New df_analyzer variable used by store motion.
1021 (reg_set_info): Deleted.
1022 (mark_mem_regs): New function, analyze regs used by a mem.
1023 (store_ops_ok): Use dataflow analyzer results to determine if
1024 necessary regs are changed in the block.
1025 (find_moveable_store): Remove check for symbol ref, we can handle
1026 much more complex expressions now.
1027 (compute_store_table): Remove most of the code, it's unnecessary
1028 now that the dataflow analyzer records the info for us.
1029 (store_killed_after): Add parameter to say whether to do the
1030 store_ops_okay test, used to speed up testing when we already know
1031 the answer, and just want to know if the store itself was killed.
1032 (build_store_vector): Largely rewritten to calculate the various
1033 vectors properly, and somewhat optimized.
1034 (store_motion): Init the df_analyzer, get REG_DEF chains.
1035 Also handle trapping expressions (since mems almost always trap)
1036 (simple_mem): Redefine what a simple mem is.
1037
1038 2001-08-03 DJ Delorie <dj@redhat.com>
1039
1040 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1041 set from a constant part of the condition.
1042
1043 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1044
1045 * mkdeps.c (deps_add_default_target): Make local variable
1046 ``start'' a const char pointer.
1047 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1048
1049 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1050
1051 * doc/install.texi (Configuration): Fix markup.
1052 (Specific, i?86-*-udk): Likewise.
1053 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1054 --with-gnu-ld.
1055 Document --enable-threads and --enable-libgcj status.
1056 (Specific, mips-sgi-irix*): Canonicalize triples.
1057 (Specific, mips-sgi-irix5): Warn about problems with this config.
1058 Mention required GNU as patch.
1059 Native assembler problems are fixed.
1060 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1061 Document --enable-threads and --enable-libgcj status.
1062
1063 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1064
1065 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1066 of mkinstalldirs.
1067
1068 2001-08-03 Richard Henderson <rth@redhat.com>
1069
1070 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1071 constant data.
1072
1073 2001-08-03 Richard Henderson <rth@redhat.com>
1074
1075 * rtlanal.c (find_first_parameter_load): Stop if we
1076 reach a CODE_LABEL at BOUNDARY.
1077
1078 2001-08-03 Richard Henderson <rth@redhat.com>
1079
1080 * config/alpha/alpha.md (force_movdi): New insn.
1081 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1082 Tweek FRP marking of VMS prologue insns.
1083 * config/alpha/vms.h (EPILOGUE_USES): New.
1084
1085 2001-08-02 Richard Henderson <rth@redhat.com>
1086
1087 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1088
1089 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1090
1091 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1092 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1093 config/convex/convex.h, config/d30v/d30v.c,
1094 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1095 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1096 config/mips/mips.h, config/mn10200/mn10200.h,
1097 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1098 config/v850/v850.h, config/vax/openbsd.h,
1099 config/vax/openbsd1.h, config/vax/ultrix.h,
1100 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1101 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1102 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1103 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1104 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1105 in comments and documentation.
1106
1107 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1108
1109 * line-map.c: New.
1110 * line-map.h: New.
1111 * Makefile.in (line-map.o): New.
1112 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1113 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1114 * cpperror.c (print_containing_files): Similarly.
1115 (print_location): Update. Don't output a space before _Pragma.
1116 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1117 (stack_include_filee, cpp_make_system_header): Update.
1118 (_cpp_execute_include): Get logical line number right for calling
1119 as-yet-unterminated #include.
1120 * cpphash.h (struct cpp_reader): Add line_maps.
1121 (_cpp_do_file_change): Update.
1122 * cppinit.c (cpp_create_reader): Initialize line maps.
1123 (cpp_destroy): Destroy line maps.
1124 (cpp_start_read): Get logical line number right.
1125 * cpplex.c (parse_string): Only warn once for multi-line strings.
1126 Use boolean variable for null warning.
1127 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1128 already.
1129 (do_include_common): End the directive early.
1130 (do_line): Don't warn about out-of-range lines in preprocessed
1131 source. Update. Remove unused variables.
1132 (_cpp_do_file_change): Update for new line mapping.
1133 (pragma_cb): New typedef.
1134 (cpp_register_pragma): Stop looking ahead before calling the
1135 handler. Clean up.
1136 (do_pragma_system_header): End directive early.
1137 (cpp_get_line_maps): New.
1138 (cpp_pop_buffer): Fudge logical line. Update.
1139 * cpplib.h: Include line-map.h
1140 (enum cpp_fc_reason): Remove.
1141 (struct cpp_file_change): Update.
1142 (cpp_get_line_maps): New.
1143 * cppmain.c (struct_printer): New member map.
1144 (cb_file_change): Update for new mappings.
1145 * fix-header.c (cb_file_change): Similarly.
1146
1147 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1148
1149 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1150 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1151
1152 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1153
1154 * config/vax/vax.c: include expr.h.
1155
1156 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1157
1158 * Makefile.in ($(srcdir)/configure): Only rebuild in
1159 maintainer mode.
1160 ($(srcdir)/config.in): Only define in maintainer mode.
1161 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1162
1163 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1164
1165 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1166
1167 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1168
1169 * gcc.c (set_collect_gcc_options): New function, split out from
1170 main.
1171 Ignore elided switches.
1172 (do_spec_1): Invoke before executing command.
1173 (set_input): Export.
1174 Move declaration ...
1175 * gcc.h (set_input): ... here.
1176 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1177 file.
1178
1179 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1180
1181 Kill -fhonor-std.
1182 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1183 interaction.
1184 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1185
1186 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1187
1188 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1189 for the unnamed instructions it expands to.
1190
1191 2001-08-02 Richard Henderson <rth@redhat.com>
1192
1193 * regclass.c (call_really_used_regs): Conditionally define.
1194 (init_reg_sets_1): Don't use it if not defined.
1195 (fix_register): Similarly, don't set it.
1196
1197 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1198
1199 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1200 Correct comment that had been missed in the previous change.
1201
1202 2001-08-01 Stan Shebs <shebs@apple.com>
1203
1204 * config/darwin.c (machopic_stub_name): Try matching by name.
1205 (update_stubs): New function.
1206 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1207 unconditionally.
1208
1209 2001-08-01 Richard Henderson <rth@redhat.com>
1210
1211 * except.c (output_function_exception_table): Use assemble_align.
1212 * varasm.c (assemble_eh_label): Remove.
1213 (assemble_eh_align, assemble_eh_integer): Remove.
1214
1215 2001-08-01 Robert Lipe <robertl@caldera.com>
1216
1217 * dwarfout.c: Remove reference to README.DWARF.
1218
1219 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1220
1221 * regclass.c (call_really_used_regs): New array for registers which
1222 are actually used by a call.
1223 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1224 new array.
1225 (fix_register): Set call_really_used too.
1226 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1227 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1228
1229 2001-08-01 Richard Henderson <rth@redhat.com>
1230
1231 * read-rtl.c (read_name): Consider \r whitespace.
1232
1233 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1234
1235 * config.gcc: Recognize powerpc-*-netbsd*.
1236
1237 * doc/install.texi (Host/target specific installation notes for
1238 GCC): Mention powerpc-*-netbsd*.
1239
1240 * config/rs6000/netbsd.h: New file.
1241 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1242 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1243 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1244 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1245 (TARGET_VERSION): Redefine.
1246
1247 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1248 mcall-netbsd as a match for mcall-sysv.
1249 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1250 (ncrti.S, ncrtn.S): New targets.
1251 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1252
1253 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1254 "netbsd' as a V4 ABI.
1255 (ASM_SPEC): Check for -mcall-netbsd.
1256 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1257 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1258 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1259 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1260 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1261 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1262 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1263
1264 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1265 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1266
1267 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1268
1269 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1270 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1271 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1272 including "unwind-pe.h".
1273
1274 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1275
1276 * rs6000.md (define_splits): Kill unused constraints.
1277
1278 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1279 Jan Hubicka <jh@suse.cz>
1280
1281 * function.c (thread_prologue_and_epilogue_insns): Kill code
1282 dealing with non-existent CFG.
1283
1284 2001-08-01 Kazu Hirata <kazu@hxi.com>
1285
1286 * alias.c: Fix comment formatting.
1287 * bitmap.c: Likewise.
1288 * builtins.c: Likewise.
1289 * calls.c: Likewise.
1290 * c-common.c: Likewise.
1291 * c-decl.c: Likewise.
1292 * c-dump.c: Likewise.
1293 * c-lex.c: Likewise.
1294 * collect2.c: Likewise.
1295 * combine.c: Likewise.
1296 * conflict.c: Likewise.
1297 * cppfiles.c: Likewise.
1298 * cppinit.c: Likewise.
1299 * cpplex.c: Likewise.
1300 * cpplib.c: Likewise.
1301 * cppmacro.c: Likewise.
1302 * cppspec.c: Likewise.
1303 * c-pragma.c: Likewise.
1304 * crtstuff.c: Likewise.
1305 * cse.c: Likewise.
1306 * cselib.c: Likewise.
1307 * c-semantics.c: Likewise.
1308 * c-typeck.c: Likewise.
1309
1310 2001-08-01 H.J. Lu <hjl@gnu.org>
1311
1312 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1313
1314 2001-08-01 H.J. Lu <hjl@gnu.org>
1315
1316 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1317
1318 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1319
1320 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1321 contextualizing Objective-C class name lookup by the lexer.
1322 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1323 seeing a TYPESPEC.
1324 (protocoldef): Add support for forward @protocol declarations.
1325 (yylexname): Suppress ObjC class name lookup in certain contexts;
1326 re-enable after lookup is complete.
1327 (_yylex): Re-enable ObjC class name lookup when certain
1328 punctuation marks are seen.
1329
1330 * objc/objc-act.c (check_protocol_recursively): New function used
1331 for finding circular dependencies in protocols.
1332 (objc_declare_protocols): New function for handling forward
1333 @protocol declarations.
1334 (receiver_is_class_object): Detect the case when 'self' is used
1335 inside of a class method.
1336 (build_message_expr): Issue a warning if class method is desired
1337 but instance method is found instead.
1338 (conforms_to_protocol): Streamline.
1339 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1340 protocol Foo, even if 'Bar foo' does not.
1341 (check_protocols): Streamline.
1342 (start_protocol): Add checks for circular and duplicate protocol
1343 definitions.
1344 (encode_aggregate_within): For typedefs of structs, encode the
1345 underlying struct.
1346 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1347 (objc_declare_protocols): New prototype.
1348
1349 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1350
1351 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1352 * cpplex.c (handle_newline): Update prototype. Maintain logical
1353 line number.
1354 (skip_escaped_newlines, skip_block_comment, parse_string):
1355 Update accordingly.
1356 (_cpp_lex_token): Update, and store token position within the token.
1357 * cpplib.h (struct cpp_token): Add line and column entries.
1358 * cppmacro.c (replace_args): Position stringified tokens correctly.
1359
1360 2001-08-01 Andreas Jaeger <aj@suse.de>
1361
1362 * basic-block.h: Add prototype for last_loop_beg_note.
1363
1364 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1365
1366 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1367 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1368 comment.
1369 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1370 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1371 expand_decl_cleanup.
1372 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1373 the first RTX.
1374 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1375 operand while calling simple_cst_equal.
1376 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1377 operand is the cleanup expression, the third is the RTL_EXPR.
1378 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1379
1380 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1381
1382 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1383
1384 2001-07-31 matthew green <mrg@eterna.com.au>
1385
1386 * config.gcc (i386-*-netbsdelf): New description.
1387 * config/i386/netbsd-elf.h: New file.
1388
1389 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1390
1391 * loop.c (check_dbra_loop): Use single_set to compute
1392 jump_label.
1393
1394 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1395
1396 PowerPC reorg and support for powerpc64-*-linux*.
1397
1398 Also fixes emitting of constants on 32 bit and 64 bit
1399 platforms.
1400
1401 * config.gcc: powerpc64-*-linux* is a new target.
1402 Things that needed aix.h now also include xcoff.h
1403
1404 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1405 xcoff.h.
1406 Move AIX specific stuff into aix.h.
1407 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1408 with more than just XCOFF now.
1409 (SET_ASM_OP): Remove, now defined where needed.
1410 (FUNCTION_PROLOGUE): New macro definition.
1411 (FUNCTION_EPILOGUE): New macro definition.
1412 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1413
1414 * config/rs6000/xcoff.h: New file.
1415
1416 * config/rs6000/linux64.h: New file.
1417
1418 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1419
1420 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1421
1422 * rs6000.c (print_operand_address): Handle ELF syntax.
1423 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1424 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1425 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1426
1427 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1428
1429 * rs6000.c (rs6000_override_options): Only disable
1430 flag_function_sections for XCOFF.
1431 (exact_log2_cint_operand): New predicate.
1432 (reg_or_{add,sub}_cint64_operand): New predicates.
1433 (add_operand): Compare CONST_INT with fewer function calls.
1434 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1435 (print_operand, case 'p'): Ensure positive operand.
1436 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1437 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1438 (PREDICATE_CODES): Add new predicates.
1439 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1440 (divsi3, modsi3): Ensure positive power-of-2.
1441 (adddi3): Use new predicate. Split 32-bit constants more
1442 correctly. Re-arrange splitter to handle any constant.
1443 (subdi3): Use new predicate.
1444 (divdi3, moddi3): Ensure positive power-of-2.
1445 (movdi): Use rs6000_emit_set_const.
1446 (load_toc_v4_pic_di): Delete.
1447
1448 2001-07-31 Graham Stott <grahams@redhat.com>
1449
1450 * function.c (pad_below): Revert 2001-07-26 patch.
1451
1452 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1453
1454 * reg-stack (convert_regs_1): Fix best edge condition.
1455
1456 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1457
1458 * jump.c (duplicate_loop_exit_test): Better test for jumps
1459 entering the loop; create loop pre_header.
1460
1461 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1462
1463 * doc/install.texi: Add s390 and s390x as new targets.
1464 * doc/invoke.texi: Add documantation of S/390 and zSeries
1465 target options.
1466 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1467
1468 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1469
1470 * config/m68k/m68k.md: Replace all general_operand with
1471 nonimmediate_operand for all destinations.
1472 * config/m68k/m68k.c (not_sp_operand): Likewise.
1473
1474 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1475
1476 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1477
1478 2001-07-30 Richard Henderson <rth@redhat.com>
1479
1480 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1481 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1482
1483 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1484
1485 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1486 Add missing doc strings
1487 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1488 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1489
1490 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1491
1492 * i386.c (ix86_output_main_function_alignment_hack): New function.
1493 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1494
1495 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1496 edges by EDGE_DFS_BACK flag.
1497 (dump_edge_info): Add dfs_back flag.
1498 * basic-block.h (EDGE_DFS_BACK): New constant.
1499 (mark_dfs_back_edges): Declare.
1500 * alias.c (loop_p): Remove.
1501 (mark_constant_function): Use mark_dfs_back_edges.
1502
1503 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1504 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1505 (compensate_edge): Break out from ...
1506 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1507 (convert_regs_2): Set block_done once block is really done;
1508 Do updating of the predecesors counts.
1509
1510 * toplev.c (rest_of_compilation): Recompute block_for_insn
1511 before post-reload cfg_cleanup.
1512 * function.c (thread_prologue_epilogue_insns):
1513 Call set_block_for_new_insns when emitting prologue directly.
1514
1515 2001-07-30 Andreas Jaeger <aj@suse.de>
1516
1517 * jump.c: Add prototype for mark_modified_reg.
1518
1519 * cse.c (set_live_p): Add unused attribute.
1520
1521 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1522 overflow.
1523 (scan_for_source_files): Use long for count to avoid overflow.
1524 (output_data): Likewise.
1525 (output_data): Don't use string concatatenation to silence gcc
1526 -traditional.
1527
1528 * predict.c: Fix typos and grammar.
1529
1530 * gcse.c (insert_insn_end_bb): Remove unused variables.
1531
1532 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1533
1534 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1535 (attempt_auto_inc): LIkewise.
1536 (mark_used_reg): Likewise.
1537 (try_pre_increment_1): Likewise.
1538 * regclass.c (regclass): Likewise.
1539 * global.c (allocno_compare): Update comment; change scaling factor.
1540 * local-alloc.c (QTY_CMP_PRI): Likewise.
1541 * regs.h (REG_FREQ_FROM_BB): New.
1542 (REG_FREQ_MAX): Likewise.
1543
1544 2001-07-30 H.J. Lu <hjl@gnu.org>
1545
1546 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1547 -D_GNU_SOURCE.
1548
1549 2001-07-30 H.J. Lu (hjl@gnu.org)
1550
1551 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1552 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1553 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1554
1555 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1556
1557 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1558 as -mthumb-interwork when -mcpu=arm7 is specified.
1559
1560 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1561
1562 * predict.def (noreturn, loop branch, loop exit): Mark as first
1563 match heuristics.
1564
1565 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1566
1567 * combine.c (try_combine): Avoid barrier after noop jumps.
1568
1569 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1570
1571 * cpphash.h (struct cpp_reader): Remove import_warning.
1572 * cpplib.c (skip_rest_of_line): Don't bother turning off
1573 macro expansion.
1574 (parse_include): Move include handling to...
1575 (do_include_common): ... here. Move import warning from...
1576 (do_import): ... here.
1577 (do_pragma_poison): Don't do a callback for poison identifiers.
1578 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1579 * cppmain.c (setup_callbacks): Similarly.
1580
1581 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1582
1583 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1584 handle multiple sets.
1585 * except.c (sjlj_mark_call_sites): .... here.
1586 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1587
1588 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1589
1590 Suggested by Richard Henderson and Richard Kenner:
1591 * combine.c (recog_for_combine): Use the fake recog
1592 only if instruction does not match.
1593 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1594 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1595
1596 * combine.c (try_combine): Discover noop jump as direct jump.
1597
1598 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1599
1600 * df.c (df_rd_global_compute): Add successors to worklist, not
1601 current item.
1602 (df_ru_global_compute): Ditto.
1603
1604 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1605
1606 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1607 increment REG_N_SETS.
1608
1609 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1610
1611 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1612
1613 * sbitmap.c (sbitmap_a_xor_b): New function.
1614 ifdef the basic block stuff on IN_GCC.
1615
1616 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1617
1618 * cppexp.c (parse_defined): Always record the macro name.
1619 (lex): Don't worry about identifiers, or special-case
1620 CPP_NOT here.
1621 (_cpp_parse_expr): Figure out at the end of the routine
1622 whether we saw a valid !defined() expression.
1623 * cppfiles.c (stack_include_file): Update for mi_valid.
1624 (_cpp_pop_file_buffer): Similarly.
1625 * cpplex.c (_cpp_lex_token): Similarly.
1626 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1627 mi_if_not_defined, mi_lexed): Remove.
1628 (mi_valid): New.
1629 * cpplib.c (do_if): Simplify.
1630 (do_endif, push_conditional, _cpp_handle_directive): Update
1631 for renaming of mi_state to mi_valid.
1632 doc:
1633 * cpp.texi: Add index entries for digraphs, and add comment
1634 that C++ refers to them as alternative tokens.
1635
1636 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1637
1638 * basic-block.h (CLEANUP_PRE_LOOP): New.
1639 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1640 * sibcall.c (optimize_sibling_calls): Likewise.
1641 * toplev.c (rest_of_compilation): Likewise.
1642 * flow.c (try_forward_edges): Take argument MODE;
1643 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1644 (try_optimize_cfg): Update call of try_forward_edges.
1645
1646 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1647 Jan Hubicka <jh@suse.cz>
1648
1649 * (validate_replace_rtx_1): Fix simplification of MINUS.
1650
1651 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1652
1653 PR preprocessor/3669
1654 * cppinit.c (init_dependency_output): Turn off dump requests
1655 if sending dependencies to stdout.
1656
1657 2001-07-28 Richard Henderson <rth@redhat.com>
1658
1659 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1660 not optimizing.
1661
1662 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1663
1664 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1665
1666 2001-07-28 Kazu Hirata <kazu@hxi.com>
1667
1668 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1669 is VAR_DECL first to prevent an ICE.
1670
1671 2001-07-28 Richard Henderson <rth@redhat.com>
1672
1673 * varasm.c (immed_real_const_1): Don't elide special cases for
1674 nested functions.
1675 (clear_const_double_mem): Clear const_tiny_rtx too.
1676
1677 2001-07-28 Richard Henderson <rth@redhat.com>
1678
1679 * dwarf2out.c (dw_val_class_offset): New.
1680 (struct dw_ranges_struct, dw_ranges_ref): New.
1681 (ranges_table, ranges_table_allocated): New.
1682 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1683 (add_AT_offset, add_ranges, output_ranges): New.
1684 (print_die, output_die): Handle dw_val_class_offset.
1685 (attr_checksum, size_of_die, value_format): Likewise.
1686 (gen_lexical_block_die): Handle non-contiguous blocks.
1687 (gen_block_die): Likewise.
1688 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1689 if needed. Dump the ranges table.
1690 * final.c (final_start_function): Remove unnecessary notes and
1691 rebuild the block tree before numbering the blocks.
1692 * function.c (reorder_blocks_0): Walk the existing block tree
1693 to unmark all blocks.
1694 (reorder_blocks_1): Create block fragments when duplicate block
1695 notes are seen.
1696 (reorder_fix_fragments): New.
1697 (reorder_blocks): Call it.
1698 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1699
1700 2001-07-28 Richard Henderson <rth@redhat.com>
1701
1702 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1703
1704 2001-07-28 Richard Henderson <rth@redhat.com>
1705
1706 * flow.c (add_to_mem_set_list): New function.
1707 (init_propagate_block_info): Use it.
1708 (mark_set_1): Likewise.
1709 (insn_dead_p): Canonicalize memory address for dead store
1710 comparison. Allow wider mode stores to kill narrower mode stores.
1711 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1712 (invalidate_mems_from_set): Don't handle MEMs.
1713
1714 2001-07-28 Kazu Hirata <kazu@hxi.com>
1715
1716 * config/h8300/h8300.h: Fix formatting.
1717
1718 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1719
1720 * basic-block.h (EDGE_FREQUENCY): New macro.
1721 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1722 for new BB/edges.
1723 * flow.c (find_sub_basic_blocks): Likewise.
1724 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1725 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1726
1727 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1728 (HITRATE): New macro.
1729 (PRED_FLAG_FIRST_MATCH): New constant.
1730 (predictor_info): New field flgags.
1731 (combine_predictions_for_insn): Use DS theory to combine
1732 probabilities; set the edge probabilities when finished.
1733 (estimate_probability): Avoid duplicated matches
1734 of LOOP_BRANCH heuristics for nested loops; update comment.
1735 * predict.def: Add flags for each prediction, set probabilities
1736 according to B&L paper.
1737 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1738
1739 * profile.c (compute_branch_probabilities): Cleanup way the edge
1740 probabilities are computed and REG_BR_PROB notes are dropped; if
1741 values does not match, emit error.
1742 (init_branch_prob): Do error instead of warning when profile driven
1743 feedback is missing or corrupt.
1744
1745 2001-07-27 DJ Delorie <dj@redhat.com>
1746
1747 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1748 against a constant, try to adjust the compare to have the desired
1749 constant in it so that min/max optimizations happen more often.
1750
1751 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1752
1753 * flow.c (last_loop_beg_note): New function.
1754 (redirect_edge_and_branch): Use it.
1755 (split_edge): Likewise.
1756
1757 * alias.c (loop_p): Avoid uninitialized memory access.
1758
1759 * flow.c (try_forward_edges): Avoid accessing freed memory.
1760
1761 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1762 variable access.
1763
1764 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1765
1766 * doc/install.texi (Configuration): Properly link the host
1767 specific instructions also when generating HTML.
1768
1769 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1770
1771 * flow.c (redirect_edge_and_branch_force): Test
1772 target->global_live_at_start.
1773
1774 2001-07-26 Richard Henderson <rth@redhat.com>
1775
1776 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1777 * rtl.h (avoid_constant_pool_reference): Declare it.
1778 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1779 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1780
1781 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1782
1783 * rtl.h (cleanup_barriers): Declare.
1784 * jump.c (cleanup_barriers): New function.
1785 * toplev.c (rest_of_compilation): Call cleanup_barriers
1786 before loop optimizer and after bb_reorder.
1787
1788 * flow.c (back_edge_of_syntactic_loop_p): New.
1789 (split_edge): Use it.
1790
1791 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1792
1793 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1794
1795 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1796
1797 * cse.c (cse_process_notes): Replace any registers if the address
1798 remains valid.
1799
1800 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1801
1802 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1803 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1804 (propagate_block): Update prototype.
1805 * flow.c (update_life_info): Simplify the CFG and
1806 recalculate the global regs which are alive when
1807 removing dead code during a global update.
1808 (propagate_block): Return non-zero if an INSN is
1809 deleted.
1810
1811 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1812
1813 * Makefile.in (LIBICONV): Define.
1814
1815 2001-07-26 Catherine Moore <clm@redhat.com>
1816
1817 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1818 of conditional to avoid tree checking errors.
1819
1820 2001-07-26 Kazu Hirata <kazu@hxi.com>
1821
1822 * regmove.c (regmove_optimize): Don't replace a reg with
1823 another reg of a different mode.
1824
1825 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1826
1827 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1828 limit length of dependancy flush list.
1829 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1830 * sched-int.h (struct deps): Add pending_flush_length field.
1831 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1832 has 1 element in it.
1833 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1834 (sched_analyze): After a jump, if the pending memory flush list is too
1835 large, flush the pending lists.
1836 (init_deps): Initialize pending_flush_length to 0.
1837 * doc/invoke.texi (max_pending_list_length): Document parameter.
1838
1839 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1840
1841 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1842 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1843 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1844
1845 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1846
1847 * cpphash.h (struct_lexer_state): Delete was_skipping.
1848 Move skipping here from struct cpp_reader.
1849 * cpplex.c (parse_identifier): Update.
1850 (_cpp_lex_token): Don't skip tokens in a directive.
1851 * cpplib.c (struct if_stack): Update.
1852 (start_directive, end_directive): Don't change skipping state.
1853 (_cpp_handle_directive): Update.
1854 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1855 (do_else, do_endif): Update; only check for excess tokens if not
1856 in a skipped conditional block.
1857 (push_conditional): Update for new struct if_stack.
1858
1859 2001-07-26 Graham Stott <grahams@redhat.com>
1860
1861 * function.c (locate_and_pad_parm): Also pad initial offset
1862 so that the total argument size also includes the padding.
1863
1864 2001-07-26 Graham Stott <grahams@redhat.com>
1865
1866 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1867 change XSTR to XTMPL.
1868
1869 (process_one_cond_exec): Likewise
1870
1871 2001-07-25 Richard Henderson <rth@redhat.com>
1872
1873 * varasm.c (assemble_variable): Create DECL_RTL before setting
1874 TREE_ASM_WRITTEN.
1875
1876 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1877
1878 * predict.c (estimate_probability): Avoid duplicated predictions.
1879
1880 * loop.c (find_and_verify_loops): Grok multiple barriers.
1881
1882 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883
1884 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1885
1886 * dbxout.c: Consistently use putc instead of fputc.
1887 (print_wide_int): New function; call instead of direct fprintf.
1888 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1889 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1890 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1891 (print_int_cst_octal): Likewise.
1892 (print_octal): Show we wrote characters.
1893 (dbxout_type): Set have_used_extensions in more places.
1894
1895 2001-07-25 Catherine Moore <clm@redhat.com>
1896
1897 * config/v850/v850.c (v850_va_arg): Use addr
1898 instead of valist to build incr.
1899
1900 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1901
1902 * flow.c (delete_dead_jumptables): New function.
1903 (life_analyzis): Call it.
1904 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1905 sequences.
1906
1907 2001-07-25 Richard Henderson <rth@redhat.com>
1908
1909 * except.c (reachable_handlers): Handle a region being removed
1910 out from under a RESX.
1911
1912 2001-07-25 Richard Henderson <rth@redhat.com>
1913
1914 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1915 swap GE/GT if it is an fp comparison.
1916
1917 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1918
1919 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1920 operands.
1921
1922 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1923
1924 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1925 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1926 glitch.
1927
1928 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1929 throw an exception.
1930 (visit_expression): When attempting to simplify an expression,
1931 retrieve any modes for arguments before they are simplified
1932 to constants.
1933
1934 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1935 Janis Johnson <janis@us.ibm.com>
1936
1937 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1938 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1939 pointer parameters to match documented usage of nonlocal_goto.
1940 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1941 parameters to their correct order.
1942 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1943 parameters to their correct order.
1944
1945 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1946
1947 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1948
1949 2001-07-25 Jan Hubicka <jh@suse.cz>
1950 Richard Henderson <rth@redhat.com>
1951
1952 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1953 the sequence.
1954 (make_edges): New argument update_p; populate the edge cache if set.
1955 (find_basic_blocks): Update make_edges invocation.
1956
1957 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1958
1959 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1960
1961 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1962
1963 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1964 -Acpu and -Amachine.h.
1965 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1966 Corrected header to say ELF not a.out.
1967 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1968 when given -msoft-float.
1969
1970 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1971
1972 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1973 extra multilib parts like arm-elf.
1974 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1975 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1976 crtfini.o as extra multilib parts.
1977
1978 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1979
1980 * configure.in: Add rtems as a supported thread model.
1981 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1982 * configure: Rebuilt.
1983
1984 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1985
1986 * stor-layout.c (get_mode_alignment): make it work when
1987 BITS_PER_UNIT is not a power of two.
1988 * builtins.c (get_pointer_alignment): Likewise.
1989
1990 2001-07-24 Richard Henderson <rth@redhat.com>
1991
1992 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1993 the retrieved constant into the expected mode.
1994
1995 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1996
1997 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1998 (verify_flow_info): Check for duplicated edges; clarify
1999 error reporting.
2000
2001 * flow.c (block_label): Update basic_block_for_insn.
2002 (commit_edge_insertions): Call compute_bb_for_insn.
2003
2004 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2005 returns too.
2006
2007 * flow.c (redirect_edge_and_branch,
2008 try_optimize_cfg): Use redirect_edge_succ_nodup
2009 (redirect_edge_succ_nodup): New.
2010 * basic_block.h (redirect_edge_succ_nodup): Declare.
2011
2012 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2013 after gcse.
2014
2015 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2016
2017 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2018 (try_crossjump_to_edge): Update commetns.
2019 (try_crossjump_bb): Likewise.
2020
2021 2001-07-24 Richard Henderson <rth@redhat.com>
2022
2023 * combine.c (distribute_notes): Move set of need_refresh
2024 for noop_move_p down to catch all cases.
2025
2026 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2027
2028 * recog.c (split_all_insns_noflow): New.
2029 * rtl.h (split_all_insns_noflow): Declare.
2030 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2031 * m68hc11.c (m68hc11_reorg): Likewise.
2032 * sh.c (machine_dependent_reorg): Likewise.
2033 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2034 call.
2035
2036 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2037
2038 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2039 (ashlsi3_n splitter): Likewise.
2040 (lshrsi3_n splitter): Likewise.
2041
2042 (GOTaddr2picreg): Make const SImode.
2043 (sym_label2reg): Likewise.
2044 (symGOT2reg): Likewise.
2045 (symGOTOFF2reg) Likewise.
2046
2047 (casesi_worker_0): Make unspec SImode.
2048
2049 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2050
2051 * config/sh/sh.c (barrier_align): Check that an operand really is
2052 an insn before extracting its INSN_CODE.
2053
2054 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2055
2056 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2057 dangling else.
2058
2059 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2060 for SImode to prevent overflow.
2061
2062 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2063
2064 * config/mips/irix6-libc-compat.c: New file.
2065 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2066 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2067 passing workaround.
2068
2069 2001-07-24 lars brinkhoff <lars@nocrew.org>
2070
2071 * rtl.texi (REG_POINTER): Document.
2072 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2073 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2074
2075 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2076
2077 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2078
2079 2001-07-23 Richard Henderson <rth@redhat.com>
2080
2081 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2082
2083 2001-07-23 Kazu Hirata <kazu@hxi.com>
2084
2085 * config/h8300/h8300-protos.h: Add a prototype for
2086 general_operand_dst_push.
2087 * config/h8300/h8300.c (general_operand_dst_push): New.
2088 * config/h8300/h8300.h (OK_FOR_T): New.
2089 (EXTRA_CONSTRAINT): Use it.
2090 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2091 the existing movqi pattern.
2092 (movhi_push): Likewise.
2093
2094 * reload.c: Fix comment typos.
2095
2096 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2097
2098 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2099
2100 2001-07-23 H.J. Lu (hjl@gnu.org)
2101
2102 * doc/extend.texi: Update __builtin_return_address and
2103 __builtin_frame_address.
2104
2105 2001-07-23 Richard Henderson <rth@redhat.com>
2106
2107 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2108 before CSE.
2109 * config/i386/i386.md: New setcc+movzbl peephole2.
2110
2111 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2112
2113 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2114 * objc/objc-act.c: Include debug.h.
2115 (synth_module_prologue): Save and restore debug hooks too.
2116
2117 2001-07-23 lars brinkhoff <lars@nocrew.org>
2118
2119 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2120 and C4X_FLOAT_FORMAT.
2121 (BOOL_TYPE_SIZE): Document.
2122
2123 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2124
2125 * unroll.c (loop_iterations): Fix miscalculation of initial
2126 giv offset.
2127
2128 2001-07-13 Andrew Haley <aph@redhat.com>
2129
2130 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2131 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2132 * config/sh/sh.c (sh_can_redirect_branch): New function.
2133 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2134 * reorg.c (steal_delay_list_from_target): Use
2135 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2136
2137 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2138
2139 * flow.c (try_simplify_condjump): Unlink insn chain on
2140 fallthru edge; use can_fallthru.
2141
2142 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2143
2144 * basic-block.h (find_sub_basic_block): Declare.
2145 * flow.c (make_edges): New arguments MIN and MAX;
2146 (find_sub_basic_blocks): Revamp to use make_edges
2147 and purge_dead_edges.
2148 (find_basic_blocks): Update call of find_sub_basic_block.
2149
2150 * recog.c (split_all_insns): Always expect CFG to be consistent;
2151 call find_sub_basic_blocks in case something has changed.
2152 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2153 has been built.
2154
2155 * basic-block.h (delete_noop_moves): Declare.
2156 * combine.c (combine_instructions): Call it.
2157 (recog_for_combine): Tolerate noop moves
2158 (distribute_notes): Force refresh when register dies at noop move.
2159 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2160 too.
2161 (life_analysis): Update delete_noop_moves call.
2162 (set_noop_p): Move too ...
2163 * rtlanal.c (noop_move_p): ... here.
2164 * rtl.h (noop_move_p): Declare.
2165
2166 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2167 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2168 after combine.
2169 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2170 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2171
2172 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2173
2174 * reload.c (push_reload): Fix typo in comment.
2175 (find_reloads_address): Ditto.
2176 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2177
2178 2001-07-22 Richard Henderson <rth@redhat.com>
2179
2180 * flow.c: Grammar check and clarify a lot of comments.
2181 (try_simplify_condjump): Rename variables to be clearer.
2182 (try_forward_edges): Skip complex and fallthru edges.
2183 Rearrange tests to avoid duplicate checks.
2184 (flow_find_cross_jump): Likewise.
2185 (outgoing_edges_match): Allow match if neither branch has
2186 probability data. Loosen probability match to 5%.
2187 (try_crossjump_to_edge): Hoist repeated indirection into
2188 local variables.
2189 (try_crossjump_bb): Don't check complex edges. Eliminate
2190 redundant crossjump tests.
2191 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2192 checks before more expensive checks.
2193
2194 2001-07-22 Richard Henderson <rth@redhat.com>
2195
2196 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2197 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2198 arguments.
2199
2200 2001-07-22 Richard Henderson <rth@redhat.com>
2201
2202 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2203 (const_sint32_operand): Likewise.
2204 * m68k.md (anon mulsi pattern): Use const_int_operand not
2205 const_sint32_operand.
2206 (umulsi3_highpart): Zero extend a constant input.
2207 (smulsi3_highpart): Don't bother checking SImode constant.
2208 (const_umulsi3_highpart): Give op3 DImode.
2209 (const_smulsi3_highpart): Likewise.
2210
2211 2001-07-22 Richard Henderson <rth@redhat.com>
2212
2213 * flow.c (split_block): Make sure bb_note is included in the
2214 new block when splitting before a label.
2215
2216 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2217
2218 * basic-block.h (redirect_edge_and_branch_force,
2219 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2220 * flow.c (redirect_edge_and_branch_force,
2221 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2222 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2223 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2224 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2225 instead of label; update CFG after transformation.
2226 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2227 for finishing the transformation; handle even case where ELSE
2228 does not follow THEN.
2229 (find_if_case_2): Update call of dead_or_predictable; simplify
2230 CFG update.
2231
2232 * emit-rtl.c (split_branch_probability): New global variable.
2233 (try_split): Take care to set split_branch_probability and
2234 create REG_BR_PROB note for new jump insns.
2235 * md.texi (define_split): Document new feature.
2236
2237 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2238
2239 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2240
2241 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2242 (asm_out_file): Remove redundant declaration.
2243 (assemble_asm): Remove old #if 0 block.
2244 (assemble_variable): Remove end of function; debug output is
2245 now handled with global_decl. Remove old #if 0 block. Update.
2246 Remove saved_in_section and associated no-op code.
2247 * Makefile.in (varasm.o): Correct dependencies.
2248
2249 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2250
2251 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2252 the definition in defaults.h.
2253
2254 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2255
2256 * jump.c: Update comments.
2257 (delete_barrier_successors, delete_unreferenced_labels,
2258 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2259 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2260 jump_optimize, jump_optimize_minimal): Kill.
2261 (rebuild_jump_labels): Move code from jump_optimize_1.
2262 (purge_line_number_notes): Likewise.
2263 (copy_loop_headers): Likewise.
2264 * reg-stack.c: Update comment.
2265 * stmt.c: Likewise.
2266 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2267 JUMP_AFTER_REGSCAN): Kill.
2268 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2269 purge_line_number_notes and copy_loop_headers.
2270
2271 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2272 Richard Henderson <rth@redhat.com>
2273
2274 * dbxout.c (dbxout_global_decl): New.
2275 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2276 * sdbout.c (sdbout_finish): New.
2277 (sdbout_debug_hooks): Use it, add comments.
2278 (sdbout_global_decl): Defer initialised public vars to
2279 sdbout_finish.
2280 * varasm.c (assemble_variable): Don't output debug information
2281 for file-scope variables.
2282
2283 2001-07-22 Richard Henderson <rth@redhat.com>
2284
2285 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2286 (get_round_mode_suffix): New.
2287 (print_operand): Use them for [/]. Remove support for [&'`()+].
2288 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2289 * config/alpha/alpha.md (attr round_suffix): New.
2290 (attr trap_suffix): New.
2291 (all insns): Set them appropriately. Use %/ instead of the
2292 myriad punctuators.
2293
2294 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2295
2296 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2297
2298 2001-07-22 Richard Henderson <rth@redhat.com>
2299
2300 * regrename.c (regrename_optimize): Compute nregs for each
2301 potential target register.
2302
2303 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2304 Richard Henderson <rth@redhat.com>
2305
2306 * dbxout.c (dbxout_global_decl): New.
2307 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2308 * sdbout.c (sdbout_finish): New.
2309 (sdbout_debug_hooks): Use it, add comments.
2310 (sdbout_global_decl): Defer initialised public vars to
2311 sdbout_finish.
2312 * varasm.c (assemble_variable): Don't output debug information
2313 for file-scope variables.
2314
2315 2001-07-21 H.J. Lu (hjl@gnu.org)
2316
2317 * config/mips/mips.c (mips_cpu): Moved into ...
2318 (override_options): Here.
2319
2320 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2321 mips_tune.
2322 (mips_cpu): Removed.
2323
2324 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2325
2326 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2327 ("iorqi3"): Likewise.
2328 ("xorqi3"): Likewise.
2329 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2330 ("*subhi3_sp): Likewise.
2331 ("*subhi3"): Likewise.
2332 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2333 reload problems.
2334
2335 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2336
2337 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2338 * config/freebsd.h: Likewise.
2339 * config/linux.h: Likewise.
2340 * config/openbsd.h: Likewise.
2341 * config/alpha/linux-elf.h: Likewise.
2342 * config/arm/linux-elf.h: Likewise.
2343 * config/d30v/d30v.h: Likewise.
2344 * config/fr30/fr30.h: Likewise.
2345 * config/ia64/aix.h: Likewise.
2346 * config/ia64/ia64.h: Likewise.
2347 * config/mips/linux.h: Likewise.
2348 * config/pj/pj.h: Likewise.
2349 * config/rs6000/linux.h: Likewise.
2350 * config/sparc/linux.h: Likewise.
2351 * config/sparc/linux64.h: Likewise.
2352
2353 2001-07-20 Bruce Korb <bkorb@gnu.org>
2354
2355 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2356 because getc() and char* may disagree on signedness.
2357
2358 2001-07-20 Richard Henderson <rth@redhat.com>
2359
2360 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2361
2362 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2363 insns to delete in the presence of cc0 in a jump insn.
2364
2365 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2366 Jan Hubicka <jh@suse.cz>
2367
2368 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2369 of doing the change by hand.
2370
2371 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2372
2373 * rtlanal.c (set_noop_p): Return true for noop jumps.
2374
2375 * expr.c (emit_single_push_insn): Add call to push expander.
2376 * expr.h (optab_index): Add OTI_push
2377 (push_optab): New constant.
2378 * genopinit.c (optabs): Add push_optab.
2379 * optabs.c (init_optab): Init push optab.
2380 * md.texi (push??1): Document
2381
2382 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2383
2384 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2385 expand to emit the pattern; put a REG_INC note for push/pop
2386 instructions.
2387 ("movdf", "movdf_internal"): Likewise.
2388 ("movsi", "movsi_internal"): Likewise.
2389 ("movsf", "movsf_internal"): Likewise.
2390 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2391
2392 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2393
2394 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2395 gen_highpart.
2396
2397 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2398
2399 * params.def: Change default max inline insns to 100.
2400
2401 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2402
2403 * combine.c (combine_simplify_rtx): Generate a new shift operation
2404 when simplifying the first operand of a (neg (ashift)) expression.
2405
2406 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2407
2408 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2409
2410 2001-07-20 Kelley Cook <kelley.cook@home.com>
2411
2412 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2413 information. Move rest into ...
2414 (*-*-solaris): ... here. Eliminate redundant information and
2415 reword necessary packages section. Delete 4.x assembler bug info.
2416 (sparc-sun-*): Merge into ...
2417 (sparc-sun-sunos*): here.
2418
2419 2001-07-20 Catherine Moore <clm@redhat.com>
2420
2421 * config/v850/v850.md (casesi): Generate LABEL_REF
2422 with Pmode.
2423
2424 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2425
2426 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2427 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2428 * i386.md (strclrsi expander): Use it.
2429
2430 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2431
2432 * integrate.c (copy_insn_list): handle
2433 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2434 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2435 identically as to CODE_LABEL.
2436
2437 * fold-const (fold): Convert A/B/C to A/(B*C) and
2438 A/(B/C) to (A/B)*C
2439
2440 * except.c (connect_post_landing_pads): Delete the RESX insns.
2441
2442 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2443
2444 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2445
2446 * config/mips/mips.md (nmadd/nmsub): Use macro.
2447
2448 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2449
2450 * cppinit.c (remove_dup_dir): Make static.
2451 (remove_dup_dirs): Make static. Only warn about preempting a
2452 system directory with a non-system directory.
2453
2454 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2455
2456 * ifcvt.c (noce_try_store_flag_constants): Correct order
2457 of parameters to trunc_int_for_mode.
2458
2459 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2460
2461 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2462 an exception that will be caught within this function, do not fill
2463 its delay slot with any subsequent instruction.
2464
2465 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2466
2467 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2468 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2469 pointer extension instruction.
2470 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2471 * simplify-rtx.c (simplify_unary_operation) Likewise.
2472 * explow.c (convert_memory_address) Check value of
2473 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2474 less than zero.
2475 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2476 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2477 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2478 Add Multilib Support.
2479 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2480 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2481 Add Multilib Support.
2482 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2483 support.
2484 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2485 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2486 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2487
2488 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2489
2490 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2491 old and new operands in `<', `3' and `b'.
2492
2493 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2494
2495 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2496 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2497 (toplev.o): Don't depend on xcoffout.h.
2498 * c-decl.c: Include debug.h
2499 (duplicate_decls): Use debug hook.
2500 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2501 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2502 (dbxout_types): Remove.
2503 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2504 * debug.c (do_nothing_debug_hooks): Update.
2505 (debug_true_tree, debug_nothing_rtx): New.
2506 * debug.h (struct rtx_def): New.
2507 (struct gcc_debug_hooks): New hooks ignore_block,
2508 outlining_inline_function and label.
2509 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2510 dwarf2out_frame_finish): New.
2511 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2512 Make static, update prototype.
2513 (dwarf2_debug_hooks): Update.
2514 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2515 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2516 * dwarfout.c (dwarf_debug_hooks): Update.
2517 * emit-rtl.c: Include debug.h.
2518 (remove_unnecessary_notes): Use debug hook.
2519 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2520 (final_scan_insn): Use debug hook.
2521 * integrate.c (output_inline_function): Use debug hook.
2522 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2523 (sdb_debug_hooks): Update.
2524 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2525 * toplev.c: Don't include xcoffout.h.
2526 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2527 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2528 Remove.
2529 * tree.h (dwarf2out_do_frame): Remove.
2530
2531 2001-07-19 Catherine Moore <clm@cygnus.com>
2532
2533 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2534
2535 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2536
2537 * reload1.c (eliminate_regs_in_insn): When updating a set
2538 to the frame pointer to the hardware frame pointer, perform
2539 the update always not just when REPLACE is set.
2540
2541 * reload1.c (choose_reload_regs): Don't inherit a reload
2542 that crosses multiple registers if registers past the first
2543 don't fit in the desired class.
2544
2545 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2546 when negating constants.
2547
2548 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2549
2550 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2551 * doc/tree.texi: Ditto.
2552
2553 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2554 Jakub Jelinek <jakub@redhat.com>
2555
2556 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2557 (extract_cie_info): Handle "eh" augmentation properly,
2558 remember eh_ptr.
2559 (struct frame_state, __frame_state_for): New.
2560
2561 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2562
2563 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2564 HANDLE_SYSV_PRAGMA): Define.
2565 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2566 previous args.
2567 (copy_object): Caller changed.
2568
2569 2001-07-19 Andreas Schwab <schwab@suse.de>
2570
2571 * configure.in (assembler dwarf2 debug_line support): Define nop
2572 insn for m68k.
2573 * configure: Regenerated.
2574
2575 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2576
2577 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2578 dwarfout.h.
2579 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2580 to conditionally compiled block.
2581 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2582 * dbxout.h (dbxout_function): Remove.
2583 * debug.c (do_nothing_debug_hooks): Update.
2584 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2585 global_decl, deferred_inline_function.
2586 * dwarf2out.c (dwarf2_debug_hooks): Update.
2587 (dwarf2out_global_decl): New.
2588 * dwarfout.c: Don't include dwarfout.h.
2589 (dwarfout_global_decl, dwarfout_function_decl,
2590 dwarfout_deferred_inline_function): New.
2591 (dwarf_debug_hooks): Update.
2592 * dwarfout.h: Remove.
2593 * final.c: Don't include dwarfout.h.
2594 * sdbout.c (sdbout_global_decl): New.
2595 (sdbout_debug_hooks): Update.
2596 * toplev.c: Don't include dwarfout.h.
2597 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2598 (note_deferral_of_defined_inline_function): Remove.
2599 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2600 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2601 * ch/lex.c: Don't include dwarfout.h.
2602 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2603 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2604 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2605 * cp/optimize.c: Include debug.h.
2606 (maybe_clone_body): Use debug hook.
2607 * cp/semantics.c: Include debug.h.
2608 (expand_body): Use debug hook.
2609 * po/POTFILES.in: Remove dwarfout.h.
2610
2611 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2612
2613 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2614 * c-parse.in (yyerror, _yylex): Similarly.
2615 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2616 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2617 Update comments.
2618 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2619 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2620
2621 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2622
2623 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2624 in-class declaration at -g1. Fixes c++/2814.
2625
2626 2001-07-18 Richard Henderson <rth@redhat.com>
2627
2628 * doc/md.texi (reload_in/out): Document restrictions in predicates
2629 and constraints for these patterns. Document empty string matching
2630 ALL_REGS.
2631
2632 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2633
2634 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2635
2636 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2637
2638 * cse.c: Undo my previous patch.
2639
2640 2001-07-18 Tom Tromey <tromey@redhat.com>
2641
2642 For PR java/2812:
2643 * configure: Rebuilt.
2644 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2645 instead.
2646 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2647
2648 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2649 Jan Hubicka <jh@suse.cz>
2650
2651 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2652 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2653 * jump.c (mark_jump_label): Do not forward branches.
2654
2655 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2656
2657 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2658 when return value is unused.
2659
2660 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2661
2662 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2663
2664 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2665
2666 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2667 on error. We can't blindly return the result of
2668 pthread_mutex_trylock because it returns a positive number on
2669 error, while we must return -1 on error.
2670 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2671 fixes.
2672 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2673
2674 2001-07-18 Andreas Jaeger <aj@suse.de>
2675
2676 * integrate.c (output_inline_function): Correct type of debug_hooks.
2677
2678 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2679
2680 * combine.c (combine_simplify_rtx): DIV can be treated
2681 associatively for floats if unsafe math optimisations are enabled.
2682
2683 2001-07-17 Richard Henderson <rth@redhat.com>
2684
2685 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2686
2687 2001-07-17 Richard Henderson <rth@redhat.com>
2688
2689 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2690 don't force the function address into a register.
2691 (expand_call, emit_library_call_value_1): Update callers.
2692 * builtins.c (expand_builtin_apply): Likewise.
2693 * expr.h (prepare_call_address): Update decl.
2694
2695 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2696
2697 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2698 config directory.
2699 * config/i386/chorus.h: Move up.
2700 * config/sparc/chorus.h: Likewise.
2701 * config/rs6000/chorus.h: Likewise.
2702 * config/chorus.h: Moved here.
2703
2704 2001-07-17 Andreas Schwab <schwab@suse.de>
2705
2706 * configure.in (assembler eh_frame optimization): Handle big
2707 endian.
2708 * configure: Regenerated.
2709
2710 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2711
2712 * expr.c (epxand_expr): Convert divisions into multiplications by
2713 reciprocals if -ffast-math.
2714
2715 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2716
2717 * dbxout.c (dbxout_really_begin_function): Rename to
2718 dbxout_begin_function.
2719 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2720 (dbxout_begin_function): Remove.
2721 (dbxout_function): Update.
2722 (dbxout_source_line): Update prototype.
2723 * dbxout.h (dbxout_begin_function): Remove.
2724 * debug.c (do_nothing_debug_hooks): Update.
2725 (debug_nothing_tree): Update.
2726 (debug_nothing_charstar_rtx): Remove.
2727 * debug.h (union tree_node): Declare.
2728 (struct rtx_def): Remove.
2729 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2730 begin_function. Change source_line prototype.
2731 (debug_nothing_tree): New.
2732 (debug_nothing_charstar_rtx): Delete.
2733 (dwarf2out_begin_prologue): Moved from ...
2734 * tree.h: ... here.
2735 * dwarf2out.c (dwarf2_debug_hooks): Update.
2736 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2737 debug info, call dwarf2out_source_line.
2738 (dwarf2out_souce_line): Update prototype.
2739 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2740 Change prototype, make static.
2741 (dwarfout_source_line): Update prototype.
2742 (dwarf_debug_hooks): Update.
2743 * dwarfout.h (dwarfout_begin_function): Remove.
2744 * final.c (final_start_function, final_scan_insn): Use appropriate
2745 debug hooks, update to use notice_source_line.
2746 (output_source_line): Rename notice_source_line. Don't call the
2747 source_line debug hook.
2748 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2749 make static, update prototype.
2750 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2751 prototype.
2752 (sdbout_end_prologue): New.
2753 (sdbout_source_line): Update prototype.
2754 (sdbout_debug_hooks): Update.
2755 (sdbout_symbol): Remove unused var.
2756 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2757 Delete.
2758 * varasm.c: Include debug.h.
2759 (assemble_start_function): Use begin_function debug_hook.
2760 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2761 update with prototype.
2762 (xcoffout_source_line): Update prototype.
2763 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2764 update prototype.
2765 (xcoffout_source_line): Update prototype.
2766
2767 2001-07-17 Richard Henderson <rth@redhat.com>
2768
2769 * c-typeck.c (build_binary_op): Do not shorten unsigned
2770 right shift after sign extension.
2771
2772 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2773
2774 * combine.c (combine_simplify_rtx): Attempt to simplify
2775 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2776
2777 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2778 (simplify_binary_operation, simplify_unary_operation,
2779 simplify_relational_operation): Use it.
2780
2781 * combine.c (combine_simplify_rtx): Don't do associative law
2782 on divisions; allow associative law on floats.
2783
2784 2001-07-17 H.J. Lu <hjl@gnu.org>
2785 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2786
2787 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2788 ASM_OUTPUT_WEAK_ALIAS are defined.
2789 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2790 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2791 Moved ...
2792 * config/mips/iris5.h: ... here.
2793 (HANDLE_SYSV_PRAGMA): Defined as 1.
2794 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2795 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2796 symbol.
2797
2798 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2799
2800 * c-parse.in (all_prefix_attributes): New variable.
2801 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2802 (maybe_resetattrs): New production.
2803 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2804 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2805 notype_initdcl, nested_function, notype_nested_function,
2806 component_decl, components, components_notype,
2807 component_declarator, component_notype_declarator,
2808 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2809 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2810 after a comma being applied to more than one declarator.
2811 * doc/extend.texi (Attribute Syntax): Update. Remove
2812 documentation of bugs that are no longer present.
2813
2814 2001-07-13 Eric Christopher <echristo@redhat.com>
2815
2816 * config/mips/mips.h: Change TUNE_MIPS* options to use
2817 mips_tune.
2818 (EXTRA_SPECS): Add cc1_cpu_spec.
2819 * config/mips/mips.md (muldf3): Fix typo.
2820
2821 2001-07-16 Richard Henderson <rth@redhat.com>
2822
2823 * config/m68k/m68k.c: Include expr.h and reload.h.
2824 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2825 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2826
2827 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2828 Richard Henderson <rth@redhat.com>
2829
2830 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2831 (insn_live_p): Fix fall off end of function.
2832 (dead_libcall_p): Remove COUNTS argument; update callers.
2833 (delete_trivially_dead_insns): Remove unused variables.
2834
2835 2001-07-17 Andreas Jaeger <aj@suse.de>
2836
2837 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2838 x86-64 pic support.
2839
2840 * lcm.c (optimize_mode_switching): Avoid warning for unused
2841 variable if !NORMAL_MODE.
2842
2843 * flow.c (try_crossjump_to_edge): Remove unused variable.
2844
2845 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2846
2847 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2848 atexit declaration in stdlib.h.
2849
2850 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2851
2852 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2853
2854 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2855
2856 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2857 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2858 do rebuild_jump_labels instead of jump_optimize
2859 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2860 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2861 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2862
2863 * flow.c: Include timevar.h
2864 (find_basic_block): Push/pop timevar;
2865 (cleanup_cfg): Likewise.
2866 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2867 * Makefile: Add dependencies on timevar.h
2868
2869 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2870 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2871
2872 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2873 * toplev.c (rest_of_compilation): Update calls.
2874 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2875 (delete_trivially_dead_insns): ... here; accept new argument
2876 preserve_basic_blocks; preserve basic blocks if set.
2877
2878 * reg-stack.c (stack_regs_mentioned): Return 0 if
2879 stack_regs_mentioned_data is not initialized.
2880 (reg_to_stack): Make stack_regs_mentioned survive after the
2881 reg-stack is completted; do not call cleanup_cfg.
2882 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2883 make cleanup_cfg after bb-reorder to output to debug file.
2884
2885 2001-07-16 Richard Henderson <rth@redhat.com>
2886
2887 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2888 from int_reg_class_contents.
2889
2890 2001-07-16 Richard Henderson <rth@redhat.com>
2891
2892 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2893 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2894 (init_reg_sets_1): Move initialization from cse_main.
2895 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2896 (cse_main): Move its initialization also.
2897 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2898 * flow.c (propagate_one_insn): Likewise.
2899 * gcse.c (compute_hash_table): Likewise.
2900 (compute_kill_rd, compute_store_table): Likewise.
2901 * sched-deps.c (sched_analyze_1): Likewise.
2902
2903 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2904
2905 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2906 gen_rtx_SET.
2907
2908 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2909
2910 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2911 in if statement so we don't access undefined memory.
2912
2913 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2914
2915 * gcse.c: Update comment at top.
2916 Update comment on mem handling.
2917 mem_last_set, mem_first_set, mem_set_in_block: gone.
2918 Declaration of reg_set_info: gone.
2919 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2920 pointless with load_killed_in_block_p (they are *more*
2921 conservative then it, not less, and less accurate).
2922 (oprs_not_set_p): Ditto.
2923 (alloc_gcse_mem): Don't allocate mem_set_in_block
2924 (free_gcse_mem): Don't free it, either.
2925 (record_last_mem_set_info): Update comment in front, remove
2926 mem_*set_* stuff. Note the reason we don't handle stores directly
2927 here.
2928 (compute_hash_table): Update comments to reflect reality. Remove
2929 mem_*set_* references.
2930 (reset_opr_set_tables): Remove mem_*set_* references.
2931 (mark_call): Ditto.
2932 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2933 (mark_clobber): Ditto (on both parts, we double set here too).
2934 (expr_killed_p): Remove mem_set_in_block test.
2935 (compute_transp): Remove mem_set_in_block test.
2936
2937 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2938 of edge, and removal of phi alternative to dump file.
2939 (ssa_ccp_substitute_constants): Add note about register now being
2940 constant, and which uses were replaced in what insns to dump file.
2941
2942 2001-07-16 Andreas Jaeger <aj@suse.de>
2943
2944 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2945 variables of type HOST_WIDEST_INT.
2946
2947 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2948 (__bb_exit_func): Correct type of count_max to avoid overflow.
2949 (num_digits): Handle long long argument.
2950
2951 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2952
2953 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2954
2955 * output.h (sdb_begin_function_line): Restore as an extern
2956 variable.
2957 * sdbout.c (sdb_begin_function_line): Make extern.
2958
2959 2001-07-15 Richard Henderson <rth@redhat.com>
2960
2961 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2962 * genrecog.c (maybe_both_true_mode): New.
2963 (maybe_both_true_2): Use it.
2964 (write_switch): Don't put Pmode in a switch.
2965 * rtl.c (mode arrays): Don't explicitly size them.
2966
2967 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2968
2969 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2970 handling; move unconditional splitting before mode switching.
2971
2972 * i386.md (type): Add fistp type.
2973 (i387, length_attr, scheduling definitions): Handle this type.
2974 (fix_trunc?f?i2): Revamp to use mode switching.
2975 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2976 * i386.h (fp_cw_mode): New enum
2977 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2978 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2979
2980 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2981
2982 * Makefile.in (integrate.o): Add debug.h.
2983 * integrate.c (debug.h): Add.
2984 (output_inline_function): Save, reset, and restore debug_hooks.
2985
2986 2001-07-15 Richard Henderson <rth@redhat.com>
2987
2988 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2989 instead of COMPARE for the EQUIV expression.
2990
2991 2001-07-15 Richard Henderson <rth@redhat.com>
2992
2993 * flow.c (redirect_edge_and_branch_force): Initialize
2994 global_live_at_start and global_live_at_end.
2995 (allocate_bb_life_data): Export.
2996 * basic-block.h (allocate_bb_life_data): Declare.
2997 * toplev.c (rest_of_compilation): Call it.
2998
2999 2001-07-15 Richard Henderson <rth@redhat.com>
3000
3001 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3002 (alpha_tablejump_best_label): New.
3003 * config/alpha/alpha-protos.h: Declare them.
3004 * config/alpha/alpha.md: Use braced strings for code blocks.
3005 (tablejump_osf): Break out add with r29.
3006 (tablejump_osf_internal): Remove.
3007 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3008 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3009
3010 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3011
3012 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3013 of the movable.
3014
3015 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3016
3017 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3018 (ix86_fp_jump_nontrivial_p): New.
3019 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3020 use ix86_fp_jump_nontrivial_p.
3021 * i386.c (ix86_fp_jump_nontrivial_p): New.
3022 (ix86_split_fp_branch): Accept code instead of rtx.
3023 (ix86_expand_compare): Expand comparison early in case
3024 doing so is resonably cheap.
3025
3026 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3027
3028 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3029 not 'machine'.
3030 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3031 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3032
3033 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3034
3035 * dbxout.c (dbxout_source_line): Make static, update prototype.
3036 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3037 (dbxout_init, dbxout_finish, dbxout_source_line,
3038 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3039 * dbxout.h (dbxout_source_line): Delete.
3040 * debug.c (debug_nothing_file, debug_nothing_file_int,
3041 debug_nothing_file_charstar_rtx): New.
3042 (do_nothing_debug_hooks): Update.
3043 (debug_nothing_void, debug_nothing_charstar_rtx,
3044 dwarf2out_end_epilogue): New.
3045 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3046 * debug.h (struct rtx_def): Declare.
3047 (gcc_debug_hooks): New hooks source_line, end_epilogue
3048 and end_function.
3049 (debug_nothing_void, debug_nothing_charstar_rtx,
3050 dwarf2out_end_epilogue): New.
3051 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3052 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3053 (dwarf2_debug_hooks): Update.
3054 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3055 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3056 * dwarf2out.h (dwarf2out_source_line): Remove.
3057 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3058 Make static, update prototype.
3059 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3060 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3061 (dwarf_debug_hooks): Update.
3062 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3063 dwarfout_end_function): Remove.
3064 * final.c (profile_function): Use debug hooks for ending functions
3065 and epilogues.
3066 (output_source_line, final_end_function): Update prototype,
3067 use debug hooks.
3068 (final_start_function, final_scan_insn): Update.
3069 * output.h (sdb_begin_function_line): Remove.
3070 (final_end_function): Update prototype.
3071 * sdbout.c (sdb_begin_function_line): Make static.
3072 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3073 (sdbout_source_line): New.
3074 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3075 prototypes.
3076 (sdb_debug_hooks): Update.
3077 (sdbout_init, sdbout_source_line,
3078 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3079 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3080 * toplev.c (compile_file, rest_of_compilation): Update.
3081 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3082 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3083 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3084 Update for prototype changes.
3085 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3086 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3087
3088 2001-07-15 Richard Henderson <rth@redhat.com>
3089
3090 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3091 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3092 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3093 * config/alpha/alpha.c: Likewise.
3094 * config/alpha/alpha.md: Likewise.
3095 * config/alpha/alpha32.h: Likewise.
3096 * config/alpha/vms.h: Likewise.
3097 (OPEN_VMS): Remove.
3098
3099 2001-07-14 Richard Henderson <rth@redhat.com>
3100
3101 * config/alpha/alpha.md: Use define_constants for unspec values.
3102 Substitute throughout.
3103
3104 2001-07-14 Tim Josling <tej@melbpc.org.au>
3105
3106 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3107
3108 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3109
3110 * pa.md: Remove unused constraints from define_split's.
3111
3112 2001-04-14 Richard Henderson <rth@redhat.com>
3113
3114 * ifcvt.c (find_cond_trap): Test for exit block.
3115
3116 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3117
3118 Re-install recently reverted patch.
3119 * emit-rtl.c (try_split): Update mark_jump_label call.
3120 * flow.c (find_sub_basic_blocks): Likewise.
3121 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3122 jump_back_p): Kill.
3123 (mark_all_labels): Kill second parameter.
3124 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3125 (rebuild_jump_labels, jump_optimize_minimal): Update call
3126 of jump_optimize_1.
3127 (jump_optimize_1): Kill crossjumping code.
3128 (mark_jump_label): Kill cross_jump parameter.
3129 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3130 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3131 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3132 splitting.
3133 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3134 DFI_bpro.
3135 (dump_file_info): Likewise.
3136 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3137 reorganize passes to do reg-stack first, bb-reorder second.
3138 * invoke.texi (-d letters doc): Remove the jump2 pass.
3139
3140 2001-07-14 Richard Henderson <rth@redhat.com>
3141
3142 * ifcvt.c (find_cond_trap): New.
3143 (find_if_header): Call it.
3144 (merge_if_block): Relax existing jump sanity check.
3145 * jump.c (jump_optimize_1): Remove conditional trap handling.
3146
3147 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3148
3149 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3150 millicode.
3151 (insn_refs_are_delayed): Correct comment.
3152 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3153 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3154 instead of r31. Make associated insn !TARGET_64BIT, and
3155 provide an additional 64-bit insn that clobbers r2.
3156 (divsi3): Likewise.
3157 (udivsi3): Likewise.
3158 (modsi3): Likewise.
3159 (umodsi3): Likewise.
3160
3161 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3162
3163 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3164
3165 * flow.c (redirect_edge_and_branch_force, split_edge,
3166 try_crossjump_to_edge): Use set_block_for_new_insns.
3167 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3168
3169 2001-07-13 H.J. Lu (hjl@gnu.org)
3170
3171 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3172 the correct patch.
3173
3174 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3175
3176 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3177
3178 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3179
3180 * c-common.c (decl_attributes): Take a pointer to the node to
3181 which attributes are to be attached, and a flags argument.
3182 * c-common.h (enum attribute_flags): New.
3183 (decl_attributes): Update prototype.
3184 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3185 finish_enum, start_function): Update calls to decl_attributes.
3186 * c-parse.in (component_declarator, component_notype_declarator,
3187 label): Update calls to decl_attributes.
3188
3189 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3190
3191 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3192 * config/avr/avr.c (legitimate_address_p): Return value changed
3193 from letter to register classes. For better debugging.
3194
3195 2001-07-13 Kazu Hirata <kazu@hxi.com>
3196
3197 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3198
3199 2001-07-13 H.J. Lu (hjl@gnu.org)
3200
3201 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3202
3203 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3204
3205 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3206 correctly for shared configurations.
3207 * config/t-libgcc-pic: New.
3208 * config/{i386,m68k,sparc}/t-openbsd: New.
3209 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3210 Support -shared. Support debugging libraries with -g.
3211 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3212 frame information does not emit pointer diffs.
3213 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3214 emit pointer diffs.
3215
3216 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3217
3218 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3219
3220 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3221
3222 * combine.c (try_combine): Ensure const_int pow2 is positive.
3223
3224 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3225
3226 * config.gcc: Add configuration for s/390.
3227 * config/s390/s390.c: New. Subroutines for code generation.
3228 * config/s390/s390.h: New. Definitions for s/390.
3229 * config/s390/s390-protos.h: New. Prototypes.
3230 * config/s390/linux.h: New. Definitions for linux for s/390.
3231 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3232 * config/s390/t-linux: New. Makefile fragment.
3233 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3234 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3235
3236 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3237
3238 * emit-rtl.c (try_split): Update mark_jump_label call.
3239 * flow.c (find_sub_basic_blocks): Likewise.
3240 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3241 jump_back_p): Kill.
3242 (mark_all_labels): Kill second parameter.
3243 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3244 (rebuild_jump_labels, jump_optimize_minimal): Update call
3245 of jump_optimize_1.
3246 (jump_optimize_1): Kill crossjumping code.
3247 (mark_jump_label): Kill cross_jump parameter.
3248 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3249 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3250 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3251 splitting.
3252 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3253 DFI_bpro.
3254 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3255 reorganize passes to do reg-stack first, bb-reorder second.
3256 * invoke.texi (-d letters doc): Remove the jump2 pass.
3257
3258 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3259
3260 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3261
3262 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3263
3264 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3265 basic blocks.
3266 (verify_flow_info): Make diagnostics prettier.
3267
3268 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3269
3270 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3271
3272 * flow.c (outgoing_edges_match): Return early if condition reversal
3273 failed.
3274
3275 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3276
3277 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3278 (mips_move_2words): When splitting a move into two instructions,
3279 prefix the second address operand with '%D'.
3280
3281 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3282
3283 * Makefile.in (final.o): Depend on debug.h.
3284 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3285 (dbx_debug_hooks): Add new hooks.
3286 (xcoff_debug_hooks): New.
3287 * debug.c (debug_nothing_file_int_int): New.
3288 (do_nothing_debug_hooks): Update.
3289 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3290 (debug_nothing_file_int_int): New.
3291 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3292 static, update prototype.
3293 (dwarf2_debug_hooks): Update.
3294 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3295 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3296 static, update prototype.
3297 (dwarf_debug_hooks): Update.
3298 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3299 * final.c: Include debug.h.
3300 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3301 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3302 static, update prototype.
3303 (sdb_debug_hooks): Update.
3304 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3305 * toplev.c: Distinguish between xcoff and dbx.
3306
3307 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3308 Call all debug hooks, not just dwarf ones.
3309
3310 2001-07-11 Timothy Wall <twall@redhat.com>
3311
3312 * config.gcc: Add configuration for AIX5/IA64.
3313 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3314 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3315 support prefix/suffix code.
3316 * config/ia64/t-aix: New. Makefile fragment.
3317 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3318
3319 2001-07-11 Kazu Hirata <kazu@hxi.com>
3320
3321 * recog.c (validate_change): Fix a comment typo.
3322
3323 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3324
3325 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3326 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3327 hooks directly.
3328 * dbxout.c (dbx_debug_hooks): Add new hooks.
3329 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3330 make static.
3331 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3332 make static.
3333 * dbxout.h (dbxout_start_new_source_file,
3334 dbxout_resume_previous_source_file): Delete.
3335 * debug.c (do_nothing_debug_hooks): Add new hooks.
3336 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3337 (debug_nothing_int_charstar, debug_nothing_int): New.
3338 * debug.h (gcc_debug_hooks): New hooks define, undef,
3339 start_source_file and end_source_file.
3340 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3341 (debug_nothing_int_charstar, debug_nothing_int): New.
3342 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3343 the conditionally compiled section.
3344 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3345 dwarf2out_define, dwarf2out_undef): Make static.
3346 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3347 dwarf2out_define, dwarf2out_undef): Remove.
3348 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3349 (dwarfout_start_source_file, dwarfout_end_source_file,
3350 dwarfout_define, dwarfout_undef): Make static.
3351 (dwarfout_start_source_file_check,
3352 dwarfout_end_source_file_check): New.
3353 (dwarfout_define, dwarfout_finish): Update.
3354 * dwarfout.h (dwarfout_start_new_source_file,
3355 dwarfout_resume_previous_source_file, dwarfout_define,
3356 dwarfout_undef): Remove.
3357 * sdbout.c (sdb_debug_hooks): Add new hooks.
3358 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3359 make static.
3360 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3361 make static, take an arg.
3362 * sdbout.h (sdbout_start_new_source_file,
3363 sdbout_resume_previous_source_file): Delete.
3364 * toplev.c (debug_start_source_file, debug_end_source_file,
3365 debug_define, debug_undef): Delete.
3366 * toplev.h (debug_start_source_file, debug_end_source_file,
3367 debug_define, debug_undef): Delete.
3368
3369 * java/jcf-parse.c: Include debug.h.
3370 (parse_class_file): Update to use debug hooks directly.
3371 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3372
3373 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3374
3375 * alias.c (set_mem_alias_set): New function.
3376 * rtl.h (set_mem_alias_set): Declare it.
3377 * builtins.c (expand_builtin_return_addr): Call it instead of
3378 using MEM_ALIAS_SET accessor.
3379 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3380 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3381 (expand_builtin_va_copy):Likewise.
3382 * caller-save.c (setup_save_areas): Likewise.
3383 * calls.c (compute_argument_addresses): Likewise.
3384 * explow.c (set_mem_attributes): Likewise.
3385 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3386 (expand_assignment, store_constructor_field, store_field): Likewise.
3387 (expand_expr_unaligned): Likewise.
3388 * function.c (assign_stack_temp_for_type): Likewise.
3389 (put_reg_into_stack, gen_mem_addressof): Likewise.
3390 * ifcvt.c (noce_try_cmove_arith): Likewise.
3391 * reload1.c (reload, alter_reg): Likewise.
3392 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3393 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3394 (alpha_expand_unaligned_store): Likewise
3395 (alpha_expand_unaligned_load_words): Likewise.
3396 (alpha_expand_unaligned_store_words): Likewise.
3397 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3398 (alpha_expand_epilogue): Likewise.
3399 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3400 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3401 * config/i386/i386.c (legitimize_pic_address): Likewise.
3402 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3403 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3404 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3405 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3406 * config/mips/mips.c (mips_va_arg): Likewise.
3407 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3408 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3409 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3410 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3411 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3412 (rs6000_emit_epilogue): Likewise.
3413 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3414 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3415 * config/v850/v850.c (v850_va_arg): Likewise.
3416
3417 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3418
3419 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3420 when fallthru edge is present.
3421 (mege_blocks): Handle case where creation of jump insn
3422 is required.
3423
3424 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3425 CLEANUP_POST_REGSTACK): New constants.
3426 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3427 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3428 * output.h (cleanup_cfg): Update prototype.
3429 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3430 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3431 cleanup_cfg call; kill missleading comment.
3432 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3433 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3434 parameter; control optimizations performed using it.
3435 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3436 try_crossjump_bb): New functions.
3437
3438 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3439
3440 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3441 extern.
3442 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3443 pa_output_function_prologue.
3444 * pa-protos.h (pa_output_function_prologue): New prototype.
3445
3446 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3447
3448 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3449 and low to get correct sign extension in low+high test.
3450
3451 2001-07-11 Janis Johnson <janis@us.ibm.com>
3452
3453 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3454 for large hit count.
3455
3456 * profile.c (branch_prob): Fix .bbg info for computed gotos
3457 and C++ EH code.
3458
3459 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3460
3461 * stmt.c (parse_output_constraint): New function, split out
3462 from ...
3463 (expand_asm_operands): ... here. Use parse_output_constraint.
3464 * tree.h (parse_output_constraint): Declare it.
3465
3466 2001-07-11 Richard Henderson <rth@redhat.com>
3467
3468 * bitmap.c: Comment some functions; fiddle whitespace.
3469 (bitmap_free): Don't export.
3470 (bitmap_element_allocate): Use memset.
3471 * bitmap.h (bitmap_free): Don't declare.
3472
3473 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3474
3475 * gcse.c, lcm.c, sched-deps.c:
3476 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3477
3478 * flow.c (flow_loops_find): Free dom if we found no loops, since
3479 we aren't going to save it.
3480
3481 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3482 done.
3483
3484 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3485
3486 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3487
3488 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3489
3490 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3491 #ifndef DWARF2_DEBUGGING_INFO.
3492
3493 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3494
3495 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3496
3497 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3498
3499 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3500 reverse a branch if a NE comparison is implemented with GTU.
3501
3502 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3503 H.J. Lu <hjl@gnu.org>
3504
3505 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3506 constant addresses.
3507 (call_internal2): Likewise.
3508 (call_value_internal1): Likewise.
3509 (call_value_internal2): Likewise.
3510 (call_value_multiple_internal1): Likewise.
3511 (call_value_multiple_internal2): Likewise.
3512
3513 2001-07-10 Kazu Hirata <kazu@hxi.com>
3514
3515 * calls.c (emit_library_call_value_1): Fix a comment typo.
3516 * dwarf2out.c (mem_loc_descriptor): Likewise.
3517 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3518
3519 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3520
3521 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3522
3523 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3524
3525 * recog.c (offsettable_address_p): Handle LO_SUM case.
3526 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3527 instead of plus_constant.
3528
3529 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3530
3531 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3532 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3533
3534 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3535
3536 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3537 adjust_address_nv instead of plus_constant.
3538
3539 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3540
3541 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3542 dwarf2out.o): Depend on debug.h, wrap long lines.
3543 * dbxout.c: Include debug.h.
3544 (dbx_debug_hooks): New.
3545 (dbxout_init): Make static, take just 2 args.
3546 (dbxout_finish): Make static.
3547 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3548 * debug.c: New file.
3549 * debug.h: New file.
3550 * dwarf2out.c: Include debug.h.
3551 (dwarf2_debug_hooks): New.
3552 (dwarf2out_init): Make static.
3553 (dwarf2out_finish): Make static, take 2 args.
3554 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3555 * dwarfout.c: Include debug.h.
3556 (dwarf_debug_hooks): New.
3557 (dwarfout_init): Make static.
3558 (dwarfout_finish): Make static, take 2 args.
3559 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3560 * sdbout.c: Include debug.h.
3561 (sdb_debug_hooks): New.
3562 (sdbout_init): Make static, take 2 args.
3563 * sdbout.h (sdbout_init): Delete.
3564 * toplev.c: Include debug.h.
3565 (debug_hooks): New.
3566 (compile_file): Set deubg_hooks based on command line options.
3567 Use the hooks unconditionally rather than conditional compilation.
3568
3569 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3570
3571 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3572 first_insn_after_basic_block_note instead.
3573
3574 * df.c (df_bb_refs_unlink): #if 0 out for now.
3575
3576 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3577
3578 * ssa.h: Add prototype for ssa_const_prop
3579 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3580 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3581 (ssa_fast_dce): Remove unused variable
3582
3583 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3584
3585 * diagnostic.c (finish_diagnostic): Rename to
3586 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3587 calls thourghout.
3588
3589 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3590
3591 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3592 .loc support.
3593
3594 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3595 (dump_file): Only pad the demangled name with spaces if the
3596 mangled name was padded with spaces.
3597
3598 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3599
3600 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3601 edge detection.
3602
3603 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3604
3605 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3606 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3607 EXPAND_INITIALIZER.
3608
3609 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3610 whether can put offset inside LO_SUM to check mode alignment, not size.
3611
3612 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3613
3614 * doc/tm.texi (Misc): Fix thinko.
3615
3616 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3617
3618 * regmove.c (replace_in_call_usage): Fix warnings.
3619 * sched-deps.c (add_dependence): Fix warnings.
3620 * simplify-rtx.c (simplify_subreg): Likewise.
3621 Return NULL_RTX instead of NULL.
3622
3623 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3624 (subst_asm_stack_regs): Likewise.
3625
3626 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3627 warnings.
3628
3629 * dwarf2out.c (output_call_frame_info): Declare i as int.
3630 (build_abbrev_table): Declare n_alloc as int.
3631 (dwarf2out_finish): Initialize die.
3632 * except.c: Declare sjlj_funcdef_number as unsigned.
3633 (connect_post_landing_pads): Declare j as unsigned.
3634 (convert_to_eh_region_ranges): Initialize call_site.
3635 (output_function_exception_table): Initialize tt_format_size.
3636 * expr.c (move_by_pieces_1): Initialize to1.
3637 (store_constructor): Initialize minelt and maxelt.
3638 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3639 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3640
3641 * c-decl.c (combine_parm_decls): Unused, remove.
3642 * c-tree.h: Remove prototype for combine_parm_decls.
3643
3644 * reload.c (push_reload): Fix warning.
3645 (regno_clobbered_p): Likewise.
3646 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3647 (reload_combine): Likewise.
3648
3649 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3650 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3651 warnings.
3652 * bitmap.c (bitmap_operation): Change user.
3653 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3654
3655 2001-07-10 Eric Christopher <echristo@redhat.com>
3656
3657 * config/mips/mips.c (override_options): Fix typo.
3658
3659 2001-07-09 Stan Shebs <shebs@apple.com>
3660
3661 * target.h (struct gcc_target): New fields init_builtins and
3662 expand_builtin.
3663 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3664 (TARGET_EXPAND_BUILTIN): New macro.
3665 (TARGET_INITIALIZER): Add them.
3666 * builtins.c: Include target.h.
3667 (expand_builtin): Use targetm.expand_builtin.
3668 (default_init_builtins): New function.
3669 (default_expand_builtin): New function.
3670 * expr.h (default_init_builtins): Declare.
3671 (default_expand_builtin): Declare.
3672 * c-common.c (c_common_nodes_and_builtins): Use
3673 targetm.init_builtins.
3674 * defaults.h (MD_INIT_BUILTINS): Remove.
3675 * Makefile.in (builtins.o): Depend on target.h.
3676
3677 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3678 (TARGET_EXPAND_BUILTIN): Define.
3679 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3680 (MD_EXPAND_BUILTIN): Remove.
3681
3682 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3683 (TARGET_EXPAND_BUILTIN): Define.
3684 (c4x_init_builtins): Make endlink arg a local.
3685 (c4x_print_operand): Fix typos in adjust_address usages.
3686 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3687 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3688 (MD_EXPAND_BUILTIN): Remove.
3689
3690 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3691 (TARGET_EXPAND_BUILTIN): Define.
3692 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3693 (ix86_init_builtins): Call new function only if TARGET_MMX.
3694 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3695 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3696 (MD_EXPAND_BUILTIN): Remove.
3697
3698 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3699 (TARGET_EXPAND_BUILTIN): Define.
3700 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3701 (MD_EXPAND_BUILTIN): Remove.
3702
3703 * doc/tm.texi: Document these changes.
3704
3705 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3706
3707 * basic-block.h (tree_node): Forward declare if needed.
3708 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3709 (BLOCK_HEAD_TREE): Define.
3710 (BLOCK_END_TREE): Define.
3711 (struct loops): Rename field 'tree' to 'tree_root'.
3712 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3713 'end_tree'.
3714 (flow_loops_tree_build): Rename reference to field 'tree' to
3715 'tree_root'.
3716 (flow_loops_level_compute): Ditto.
3717 * predict.c (estimate_bb_frequencies): Ditto.
3718 * tree.h (struct tree_common): Add field 'aux'.
3719
3720 2001-07-09 Stan Shebs <shebs@apple.com>
3721
3722 * config/darwin.c (darwin_encode_section_info): Don't mark any
3723 DECL_EXTERNAL node as defined.
3724
3725 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3726
3727 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3728 pa_free_machine_status, hppa_init_pic_save): Delete.
3729 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3730 (hppa_profile_hook): Use hppa_pic_save_rtx.
3731 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3732 hppa_init_pic_save): Delete.
3733 (hppa_pic_save_rtx): Declare.
3734 * pa.md (call, call_value, sibcall, sibcall_value,
3735 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3736
3737 2001-07-09 Kazu Hirata <kazu@hxi.com>
3738
3739 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3740 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3741
3742 2001-07-09 Andreas Jaeger <aj@suse.de>
3743
3744 * output.h: Add declaration of final_forward_branch_p.
3745
3746 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3747
3748 * varray.c: Include errors.h for internal_error and trim_filename
3749 declarations.
3750
3751 * Makefile.in (varray.o): Add errors.h.
3752
3753 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3754
3755 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3756 * optabs.c (have_add2_insn): Check whether the add insn chosen
3757 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3758 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3759
3760 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3761
3762 * Makefile.in (OBJS): Add ssa-ccp.o
3763 (ssa-ccp.o): Add dependencies.
3764 * toplev.c (DFI_ssa_ccp): New dump file enum.
3765 (dump_file): Add entry for dumping after SSA CCP.
3766 (flag_ssa_ccp): New flag variable.
3767 (f_options): Add -fssa-ccp.
3768 (rest_of_compilation): Run SSA CCP if requested.
3769 * timevar.def (TV_SSA_CCP): New timevar.
3770 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3771 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3772 Fix minor typo in SSA DCE documentation.
3773 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3774 Add documentation for new dump option. Renumber dump files
3775 appropriately.
3776
3777 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3778
3779 * emit-rtl.c (gen_highpart_mode): New.
3780 * rtl.h (gen_highpart_mode): Declare.
3781 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3782 operand can be VOIDmode constant.
3783
3784 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3785
3786 * flow.c (redirect_edge_and_branch_force): New.
3787 (can_fallthru): Ensure that basic blocks are succeeding.
3788 (try_optimize_cfg): Do not delete basic block if it is the last one.
3789
3790 * flow.c (try_redirect_by_replacing_jump): Do not remove
3791 jumps with side effects, unlink chain on fallthru edge;
3792 set block for new jump instruction; avoid basic block to
3793 over by line number note.
3794
3795 * flow.c (try_simplify_condjump): Verify that the condjump
3796 is not always falling trought.
3797
3798 Re-install patch:
3799 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3800
3801 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3802 (try_redirect_by_replacing_jump): Update properly the count
3803 and frequency information.
3804
3805 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3806
3807 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3808 address that is a LO_SUM specially.
3809 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3810
3811 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3812
3813 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3814 (operand_subword): Use them.
3815 (change_address_1): Renamed from change_address; new arg VALIDATE.
3816 * expr.h: Reflect above changes; change_address now macro.
3817 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3818 making MEM.
3819 * cselib.c (add_mem_for_addr): Likewise.
3820 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3821 * regmove.c (try_apply_stack_adjustment): Likewise.
3822 * reload.c (push_reload, make_memloc): Likewise.
3823 * reload1.c (eliminate_regs): Likewise.
3824 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3825 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3826 adjust_addess.
3827 * combine.c (make_extraction, simplify_shift_const): Likewise.
3828 (gen_lowpart_for_combine): Likewise.
3829 * cse.c (gen_lowpart_if_possible): Likewise.
3830 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3831 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3832 * optabs.c (gen_move_insn): Likewise.
3833 * reload1.c (alter_reg): Likewise.
3834 * simplify-rtx.c (simplify_subreg): Likewise.
3835 * stmt.c (expand_anon_union_decl): Likewise.
3836 * recog.c (validate_replace_rtx_1): Likewise.
3837 (expr.h): Include.
3838 * Makefile.in (recog.o): Add $(EXPR_H).
3839 * explow.c (stabilize): Call replace_equiv_address.
3840 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3841 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3842
3843 2001-07-03 Andrew Haley <aph@redhat.com>
3844
3845 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3846 the mode of the memory location.
3847
3848 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3849
3850 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3851
3852 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3853
3854 * final.c (output_addr_const): Use target opening and
3855 closing parentheses.
3856 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3857 defaults, add to TARGET_ASM_OUT.
3858 * target.h (struct gcc_target): Add open_paren and close_paren.
3859 * doc/md.texi: Update.
3860 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3861 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3862 TARGET_ASM_CLOSE_PAREN.
3863 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3864 Override.
3865 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3866 Override.
3867 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3868 * config/a29k/a29k.h: Similarly.
3869 * config/alpha/alpha.h: Similarly.
3870 * config/arc/arc.h: Similarly.
3871 * config/arm/aof.h: Similarly.
3872 * config/arm/aout.h: Similarly.
3873 * config/avr/avr.h: Similarly.
3874 * config/c4x/c4x.h: Similarly.
3875 * config/clipper/clipper.h: Similarly.
3876 * config/convex/convex.h: Similarly.
3877 * config/d30v/d30v.h: Similarly.
3878 * config/dsp16xx/dsp16xx.h: Similarly.
3879 * config/elxsi/elxsi.h: Similarly.
3880 * config/fr30/fr30.h: Similarly.
3881 * config/h8300/h8300.h: Similarly.
3882 * config/i370/i370.h: Similarly.
3883 * config/i386/i386.h: Similarly.
3884 * config/i860/i860.h: Similarly.
3885 * config/i960/i960.h: Similarly.
3886 * config/ia64/ia64.h: Similarly.
3887 * config/m32r/m32r.h: Similarly.
3888 * config/m68hc11/m68hc11.h: Similarly.
3889 * config/m68k/m68k.h: Similarly.
3890 * config/m88k/m88k.h: Similarly.
3891 * config/mcore/mcore.h: Similarly.
3892 * config/mips/mips.h: Similarly.
3893 * config/mn10200/mn10200.h: Similarly.
3894 * config/mn10300/mn10300.h: Similarly.
3895 * config/ns32k/ns32k.h: Similarly.
3896 * config/pa/pa.h: Similarly.
3897 * config/pdp11/pdp11.h: Similarly.
3898 * config/pj/pj.h: Similarly.
3899 * config/romp/romp.h: Similarly.
3900 * config/rs6000/rs6000.h: Similarly.
3901 * config/sh/sh.h: Similarly.
3902 * config/sparc/sparc.h: Similarly.
3903 * config/v850/v850.h: Similarly.
3904 * config/vax/vax.h: Similarly.
3905 * config/we32k/we32k.h: Similarly.
3906
3907 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3908
3909 * doc/c-tree.texi: Document representation of attributes.
3910
3911 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3912
3913 * doc/tm.texi: Update some places for the rename of target to
3914 targetm. Fix typo.
3915
3916 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3917
3918 * target.h (struct gcc_target): Add insert_attributes.
3919 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3920 (TARGET_INITIALIZER): Update.
3921 * tree.c, tree.h (default_insert_attributes): New function.
3922 Update comments on other default functions to refer to targetm,
3923 not target.
3924 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3925 TARGET_INSERT_ATTRIBUTES.
3926 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3927 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3928 Don't use PRAGMA_INSERT_ATTRIBUTES.
3929 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3930 * c-decl.c (start_decl, start_function): Don't call
3931 SET_DEFAULT_DECL_ATTRIBUTES.
3932 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3933 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3934 declare.
3935 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3936 (c4x_check_attribute): Avoid modifying attribute list itself.
3937 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3938 Make static.
3939 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3940 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3941 declare.
3942 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3943 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3944 Make static.
3945 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3946 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3947 declare.
3948 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3949 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3950 Adjust parameters. Make static.
3951
3952 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3953
3954 * c-common.c (decl_attributes): Only take a single attributes
3955 parameter.
3956 * c-common.h (decl_attributes): Update prototype.
3957 * c-decl.c (start_decl, start_function): Only take a single
3958 attributes parameter. Update calls to decl_attributes.
3959 (finish_struct, finish_enum): Update calls to decl_attributes.
3960 (push_parm_decl): Expect unified list of attributes. Update call
3961 to decl_attributes.
3962 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3963 notype_nested_function, component_declarator,
3964 component_notype_declarator, label): Update calls to
3965 decl_attributes.
3966 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3967 lists that are passed to push_parm_decl.
3968 * c-tree.h (start_function, start_decl): Update prototypes.
3969 * config/sh/sh-protos.h, config/sh/sh.c
3970 (sh_pragma_insert_attributes): Only take a single attributes
3971 parameter.
3972 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3973 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3974 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3975 build_module_descriptor, generate_static_references,
3976 generate_strings, build_selector_translation_table,
3977 generate_descriptor_table, generate_protocols,
3978 generate_ivars_list, generate_dispatch_table,
3979 generate_protocol_list, generate_category,
3980 generate_shared_structures, really_start_method, add_objc_decls,
3981 generate_classref_translation_entry): Update calls to start_decl
3982 and start_function.
3983 (build_tmp_function_decl, start_method_def): Unify attribute lists
3984 that are passed to push_parm_decl.
3985
3986 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3987
3988 * final.c (no_asm_to_stream): New.
3989 (final_scan_insn): Use target structures for prologue ends
3990 and epilogue starts.
3991 * output.h (no_asm_to_stream): New.
3992 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3993 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3994 (TARGET_ASM_OUT): Update.
3995 * target.h (struct gcc_target): New members function_end_prologue
3996 and function_begin_epilogue.
3997 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3998 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3999 * config/alpha/alpha.c (output_end_prologue): Rename to
4000 alpha_output_function_end_prologue. Use in target struct
4001 and make static.
4002 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4003 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4004 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4005 ia64_output_function_end_prologue. Use in target struct
4006 and make static.
4007 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4008 mistyped prototypes.
4009 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4010 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4011 Delete.
4012 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4013 an use in target struct, make static.
4014 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4015 Delete.
4016
4017 2001-07-08 Richard Henderson <rth@redhat.com>
4018
4019 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4020
4021 2001-07-08 Richard Henderson <rth@redhat.com>
4022
4023 * config/i386/i386.md: Remove constraints strings from define_split
4024 and define_peephole2 patterns.
4025 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4026 (eh_return): Use them.
4027
4028 2001-07-08 Richard Henderson <rth@redhat.com>
4029
4030 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4031 Document MD_FALLBACK_FRAME_STATE_FOR.
4032
4033 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4034
4035 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4036 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4037 elimination.
4038 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4039
4040 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4041
4042 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4043 of the label inside NAME as opposed to just the end of NAME.
4044
4045 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4046
4047 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4048 * config/alpha/alpha.c (alpha_init_machine_status,
4049 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4050 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4051 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4052 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4053
4054 2001-07-06 Stan Shebs <shebs@apple.com>
4055
4056 * target.h (targetm): Rename global from "target", so as not to
4057 conflict with local variables.
4058 * c-decl.c: Ditto.
4059 * c-typeck.c: Ditto.
4060 * final.c: Ditto.
4061 * tree.c: Ditto.
4062 * cp/decl.c: Ditto.
4063 * cp/decl2.c: Ditto.
4064 * cp/typeck.c: Ditto.
4065 * 1750a/1750a.c: Ditto.
4066 * a29k/a29k.c: Ditto.
4067 * arc/arc.c: Ditto.
4068 * arm/arm.c: Ditto.
4069 * avr/avr.c: Ditto.
4070 * clipper/clipper.c: Ditto.
4071 * convex/convex.c: Ditto.
4072 * d30v/d30v.c: Ditto.
4073 * dsp16xx/dsp16xx.c: Ditto.
4074 * elxsi/elxsi.c: Ditto.
4075 * fr30/fr30.c: Ditto.
4076 * h8300/h8300.c: Ditto.
4077 * i370/i370.c: Ditto.
4078 * i386/i386.c: Ditto.
4079 * i860/i860.c: Ditto.
4080 * i960/i960.c: Ditto.
4081 * ia64/ia64.c: Ditto.
4082 * m32r/m32r.c: Ditto.
4083 * m68hc11/m68hc11.c: Ditto.
4084 * m68k/m68k.c: Ditto.
4085 * m88k/m88k.c: Ditto.
4086 * mips/mips.c: Ditto.
4087 * ns32k/ns32k.c: Ditto.
4088 * pa/pa.c: Ditto.
4089 * pdp11/pdp11.c: Ditto.
4090 * romp/romp.c: Ditto.
4091 * rs6000/rs6000.c: Ditto.
4092 * sh/sh.c: Ditto.
4093 * sparc/sparc.c: Ditto.
4094 * vax/vax.c: Ditto.
4095 * we32k/we32k.c: Ditto.
4096 * doc/tm.texi: Update the manual to match.
4097
4098 2001-07-06 Richard Henderson <rth@redhat.com>
4099
4100 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4101 DWARF2_UNWIND_INFO not just whether it is defined.
4102
4103 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4104
4105 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4106 call to simplify_binary_operation returns a new pattern.
4107
4108 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4109
4110 * glimits.h (__SHRT_MAX__): New.
4111 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4112 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4113
4114 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4115
4116 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4117 avoid warnings.
4118
4119 2001-07-06 Richard Henderson <rth@redhat.com>
4120
4121 * bitmap.c (bitmap_release_memory): Move adjacent to the
4122 allocation functions.
4123 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4124 the implementation. Binary search for the set bit.
4125 (bitmap_union_of_diff): Allocate the temporary on the stack
4126 instead of using xmalloc.
4127
4128 2001-07-06 Richard Henderson <rth@redhat.com>
4129
4130 * genrecog.c (validate_pattern): Warn for constraints in
4131 define_{expand,split,peephole2}. Remove strict_low_part
4132 before looking up match_dup.
4133
4134 2001-07-06 DJ Delorie <dj@redhat.com>
4135
4136 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4137 chapter about various build hints and history. Add section
4138 talking about the various types of native and cross builds.
4139
4140 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4141
4142 * Makefile.in (final.o): Depend on target.h.
4143 * final.c: Include target.h.
4144 (default_function_pro_epilogue): New.
4145 (final_start_function): Use target structure for function prologues.
4146 (final_end_function): Use target structure for function epilogues.
4147 * fold-const.c (real_hex_to_f): Constify s and p.
4148 * output.h (default_function_pro_epilogue): New.
4149 * real.h (real_hex_to_f): Update prototype.
4150 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4151 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4152 (TARGET_INITIALIZER): Update.
4153 * target.h (gcc_target): Add struct asm_out.
4154 * doc/tm.texi: Update.
4155
4156 config:
4157 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4158 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4159 in cpu/cpu.c, or rename old functions consistently. Take
4160 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4161 redundant macros and prototypes. Make new functions static.
4162
4163 * 1750a/1750a.c: Similarly.
4164 * 1750a/1750a.h: Similarly.
4165 * a29k/a29k-protos.h: Similarly.
4166 * a29k/a29k.c: Similarly.
4167 * a29k/a29k.h: Similarly.
4168 * arc/arc-protos.h: Similarly.
4169 * arc/arc.c: Similarly.
4170 * arc/arc.h: Similarly.
4171 * arm/arm-protos.h: Similarly.
4172 * arm/arm.c: Similarly.
4173 * arm/arm.h: Similarly.
4174 * avr/avr-protos.h: Similarly.
4175 * avr/avr.c: Similarly.
4176 * avr/avr.h: Similarly.
4177 * clipper/clipper-protos.h: Similarly.
4178 * clipper/clipper.c: Similarly.
4179 * clipper/clipper.h: Similarly.
4180 * convex/convex.c: Similarly.
4181 * convex/convex.h: Similarly.
4182 * d30v/d30v-protos.h: Similarly.
4183 * d30v/d30v.c: Similarly.
4184 * d30v/d30v.h: Similarly.
4185 * d30v/d30v.md: Similarly.
4186 * dsp16xx/dsp16xx-protos.h: Similarly.
4187 * dsp16xx/dsp16xx.c: Similarly.
4188 * dsp16xx/dsp16xx.h: Similarly.
4189 * elxsi/elxsi.c: Similarly.
4190 * elxsi/elxsi.h: Similarly.
4191 * fr30/fr30.c: Similarly.
4192 * fr30/fr30.md: Similarly.
4193 * h8300/h8300-protos.h: Similarly.
4194 * h8300/h8300.c: Similarly.
4195 * h8300/h8300.h: Similarly.
4196 * i370/i370-protos.h: Similarly.
4197 * i370/i370.c: Similarly.
4198 * i370/i370.h: Similarly.
4199 * i386/i386.c: Similarly.
4200 * i386/osf1elf.h: Similarly.
4201 * i386/osfrose.h: Similarly.
4202 * i860/i860-protos.h: Similarly.
4203 * i860/i860.c: Similarly.
4204 * i860/i860.h: Similarly.
4205 * i960/i960-protos.h: Similarly.
4206 * i960/i960.c: Similarly.
4207 * i960/i960.h: Similarly.
4208 * ia64/ia64-protos.h: Similarly.
4209 * ia64/ia64.c: Similarly.
4210 * ia64/ia64.h: Similarly.
4211 * m32r/m32r-protos.h: Similarly.
4212 * m32r/m32r.c: Similarly.
4213 * m32r/m32r.h: Similarly.
4214 * m68hc11/m68hc11-protos.h: Similarly.
4215 * m68hc11/m68hc11.c: Similarly.
4216 * m68hc11/m68hc11.h: Similarly.
4217 * m68k/crds.h: Similarly.
4218 * m68k/dpx2.h: Similarly.
4219 * m68k/m68k-protos.h: Similarly.
4220 * m68k/m68k.c: Similarly.
4221 * m68k/m68k.h: Similarly.
4222 * m68k/news.h: Similarly.
4223 * m88k/m88k-protos.h: Similarly.
4224 * m88k/m88k.c: Similarly.
4225 * m88k/m88k.h: Similarly.
4226 * mips/mips-protos.h: Similarly.
4227 * mips/mips.c: Similarly.
4228 * mips/mips.h: Similarly.
4229 * ns32k/merlin.h: Similarly.
4230 * ns32k/ns32k.c: Similarly.
4231 * ns32k/ns32k.h: Similarly.
4232 * ns32k/tek6000.h: Similarly.
4233 * pa/pa-protos.h: Similarly.
4234 * pa/pa.c: Similarly.
4235 * pa/pa.h: Similarly.
4236 * pdp11/2bsd.h: Similarly.
4237 * pdp11/pdp11-protos.h: Similarly.
4238 * pdp11/pdp11.c: Similarly.
4239 * pdp11/pdp11.h: Similarly.
4240 * romp/romp-protos.h: Similarly.
4241 * romp/romp.c: Similarly.
4242 * romp/romp.h: Similarly.
4243 * rs6000/rs6000-protos.h: Similarly.
4244 * rs6000/rs6000.c: Similarly.
4245 * rs6000/rs6000.h: Similarly.
4246 * rs6000/sysv4.h: Similarly.
4247 * sh/sh-protos.h: Similarly.
4248 * sh/sh.c: Similarly.
4249 * sh/sh.h: Similarly.
4250 * sparc/sparc-protos.h: Similarly.
4251 * sparc/sparc.c: Similarly.
4252 * sparc/sparc.h: Similarly.
4253 * vax/vax.c: Similarly.
4254 * vax/vax.h: Similarly.
4255 * vax/vms.h: Similarly.
4256 * we32k/we32k.c: Similarly.
4257 * we32k/we32k.h: Similarly.
4258
4259 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4260
4261 * basic-block.h (first_insn_after_basic_block_note): Declare.
4262 * flow.c (first_insn_after_basic_block_note): Define. Moved
4263 from...
4264 * ssa.c (first_insn_after_basic_block_note): Remove.
4265 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4266 necessary.
4267 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4268 nodes when we find a dead conditional branch. Insert BARRIERs
4269 after any blocks with no successors, but which do not have
4270 any BARRIERs.
4271
4272 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4273
4274 * varray.c (varray_check_failed): Use internal_error.
4275
4276 2001-07-05 Andrew Haley <aph@redhat.com>
4277
4278 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4279 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4280 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4281
4282 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4283
4284 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4285 reference if the target constant is also a SYMBOL_REF.
4286
4287 2001-07-05 Eric Christopher <echristo@redhat.com>
4288
4289 * config/mips/mips.h (MASK_MIPS3900): Remove.
4290 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4291 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4292 (TARGET_MIPS3900): Change to use mips_arch.
4293 (TARGET_MIPS4000): New.
4294 (TARGET_MIPS4100): New.
4295 (TARGET_MIPS4300): New.
4296 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4297 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4298 for -mipsX.
4299 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4300 (ISA_HAS_BRANCHLIKELY): To here.
4301 (CC1_CPU_SPEC): New.
4302 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4303 (mips_arch_string): Declare.
4304 (mips_arch): Declare.
4305 (TARGET_OPTIONS): Add -march and -mtune.
4306
4307 * config/mips/mips.c (mips_arch_string): New.
4308 (mips_arch): New.
4309 (override_options): Handle -march for codegen and -mtune
4310 for scheduling. Use mips_arch. Move tx39 target default here.
4311 (mips_parse_cpu): Move error message to override_options.
4312
4313 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4314
4315 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4316
4317 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4318 (MIPS Options): Ditto. Change mcpu entry to historical text.
4319
4320 2001-07-05 H.J. Lu (hjl@gnu.org)
4321
4322 * config/mips/mips.c (mips_parse_cpu): New function to parse
4323 -march=*/-mcpu=*.
4324
4325 2001-07-05 Jim Wilson <wilson@redhat.com>
4326
4327 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4328 * config/ia64/t-ia64: Likewise.
4329 (LIB1ASMFUNCS): Update comment.
4330
4331 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4332
4333 * doc/install.texi (Install GCC: Binaries): Fix typo.
4334
4335 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4336
4337 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4338 reference using the stack pointer, adjust it since we push Y
4339 temporarily.
4340 ("*ashrsi3"): Likewise.
4341 ("*lshrsi3"): Likewise.
4342
4343 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4344
4345 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4346 when -fomit-frame-pointer is used.
4347
4348 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4349
4350 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4351 (try_redirect_by_replacing_jump): Reverse updating properly the
4352 count and frequency information. Reverse removing cc0 setter.
4353 (forwarder_block_p): Reverse fixing for fallthru blocks.
4354
4355 2001-07-05 DJ Delorie <dj@redhat.com>
4356
4357 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4358 (translate_options): If the above is defined, use it to map
4359 given options to new options.
4360 * doc/tm.texi: Document it.
4361
4362 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4363 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4364
4365 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4366 cause programs using computed gotos to run more slowly.
4367
4368 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4369
4370 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4371 Fixed sorting.
4372 Consistently require binutils 2.11.2, not prereleases.
4373 (Specific, decstation-*): Canonicalize as mips-dec-*.
4374 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4375 always necessary.
4376 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4377 (Specific, mips-*): Reword MIPS C compiler requirements.
4378 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4379 (Specific, sunv5): Removed, obsolete.
4380
4381 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4382
4383 * dwarf2out.c (output_loc_list): Use an all ones mask for
4384 .text asm output and don't rely on long long
4385 literals. Reformat some long lines.
4386
4387 2001-07-05 Andreas Jaeger <aj@suse.de>
4388
4389 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4390 section.
4391
4392 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4393
4394 * dwarf2out.c (dwarf2out_define): Update comment.
4395 (dwarf2out_undef): Ditto.
4396 (dwarf2out_start_source_file): Ditto.
4397 (dwarf2out_end_source_file): Ditto.
4398 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4399 since we never call the start/end debug hook for the primary file.
4400
4401 2001-07-04 Kazu Hirata <kazu@hxi.com>
4402
4403 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4404 from shll.
4405
4406 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4407
4408 * cppinit.c (remove_dup_dirs): Inform if a system include
4409 directory is being reordered.
4410 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4411 system include.
4412 * doc/cpp.texi (Search Paths): Likewise.
4413 * doc/gcc.texi (Interoperation): Remove information about
4414 -I/usr/include.
4415
4416 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4417
4418 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4419 (VARRAY_TOP_CHAR_PTR): Likewise.
4420
4421 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4422
4423 * gcc.c (process_command): Don't assign elements of a const char*.
4424
4425 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4426
4427 * emit-rtl.c (change_address): Don't abort if invalid address while
4428 reload is in progress.
4429
4430 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4431
4432 * c-lex.c (cb_file_change): Pass line number to
4433 debug_start_source_file.
4434 (cb_undefine): Pass correct line number to debug_undef.
4435
4436 * toplev.c (debug_start_source_file): Add line number to
4437 parameters. Pass it along to dwarf2out_start_source_file.
4438 (decode_g_option): Stop resetting debug level back to normal when
4439 we change debug formats, unless the current level is
4440 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4441 3).
4442
4443 * toplev.h (debug_start_source_file): Add line number to
4444 parameters.
4445
4446 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4447 parameters.
4448
4449 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4450 parameters.
4451 Output debug_macinfo data for starting file if requested.
4452 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4453 file if requested.
4454 (dwarf2out_define): Output debug_macinfo data for defining a macro
4455 if requested.
4456 (dwarf2out_undef): Output debug_macinfo data for undefining a
4457 macro if requested.
4458 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4459 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4460 (macinfo_section_label): New. DWARF2 macro info section label.
4461 (dwarf2out_init): If we want macro info, output the start label
4462 for the section.
4463 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4464 attribute to the compilation unit die pointing to the macro info.
4465
4466 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4467
4468 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4469 DWARF2_DEBUGGING_INFO.
4470 (add_loc_descr_to_loc_list): Ditto.
4471 (output_loc_list): Ditto.
4472 Also, fix thinko in curr not being initialized.
4473 (gen_internal_sym): Ditto.
4474
4475 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4476
4477 * emit-rtl.c (replace_equiv_address): New function.
4478 * expr.h (replace_equiv_address): New declaration.
4479 * explow.c (validize_mem): Call it instead of change_address and
4480 also call if -fforce-addr and address is constant.
4481 * expr.c: Replace more calls to change_address with adjust_address
4482 and/or replace_equiv_address or to validize_mem.
4483 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4484 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4485 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4486 * config/i370/i370.md, config/i860/i860.md: Likewise.
4487 * config/i960/i960.md, config/mips/mips.c: Likewise.
4488 * config/mips/mips.md, config/pa/pa.md: Likewise.
4489 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4490 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4491
4492 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4493
4494 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4495
4496 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4497 function.
4498
4499 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4500
4501 * doc/include: New directory.
4502 * doc/fdl.texi: Move to doc/include/fdl.texi.
4503 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4504 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4505 * doc/gcc.texi: Use funding.texi and gpl.texi.
4506 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4507 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4508 Update dependencies and use -I $(docdir)/include.
4509
4510 2001-07-04 Anthony Green <green@redhat.com>
4511
4512 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4513
4514 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4515
4516 * doc/install.texi (sparc64-*-*): Remove garbage.
4517
4518 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4519
4520 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4521 Fix typo in last change to use adjust_address.
4522
4523 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4524
4525 * doc/install.texi (Specific): Update information for *-*-solaris*.
4526
4527 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4528
4529 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4530
4531 2001-07-03 Stan Shebs <shebs@apple.com>
4532
4533 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4534 case for flag_no_mach_text_sections.
4535 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4536 * config/darwin.c (flag_no_mach_text_sections): Remove.
4537 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4538
4539 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4540
4541 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4542 and avoid checking for constant as first operand.
4543 * recog.c (find_constant_term_loc): No longer static.
4544 (adj_offettable_operand): Delete.
4545 * rtl.h (adj_offsettable_operand): Delete declaration.
4546 (find_constant_term): Add declaration.
4547 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4548 to adjust_address.
4549 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4550 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4551 * config/i386/i386.c, config/i386/i386.md: Likewise.
4552 * config/i860/i860.c, config/i960/i960.c: Likewise.
4553 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4554 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4555 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4556 * config/mips/mips.c, config/mips/mips.md: Likewise.
4557 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4558 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4559 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4560 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4561 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4562 * config/ns32k/ns32k.md: Likewise.
4563
4564 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4565
4566 * rtl.c (copy_rtx): Handle 'T' format letter.
4567 * gensupport.c (collect_insn_data): Likewise.
4568 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4569
4570 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4571
4572 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4573 -B option. Use 'dir' not 'foo' as example directory name.
4574
4575 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4576
4577 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4578 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4579
4580 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4581
4582 * doc/cppinternals.texi: Improve formatting and logical markup.
4583
4584 2001-07-03 Andreas Jaeger <aj@suse.de>
4585
4586 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4587
4588 * genrecog.c (write_header): Include reload.h for prototypes in
4589 insn-recog.c.
4590
4591 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4592
4593 config:
4594 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4595 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4596 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4597 i386_pe_valid_type_attribute_p): Add.
4598 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4599 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4600
4601 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4602
4603 * explow.c (plus_constant_wide, case LO_SUM): New case.
4604 (plus_constant_for_output_wide): Delete.
4605 * rtl.h (plus_constant_for_output): Delete.
4606 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4607 instead of plus_constant_for_output.
4608 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4609 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4610 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4611 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4612 * config/sparc/sparc.md: Likewise.
4613 Convert some change_address calls to adjust_address.
4614
4615 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4616
4617 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4618 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4619 documentation of -std and -Wwrite-strings.
4620
4621 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4622
4623 * cse.c (canon_hash): Don't register registers in very small
4624 register classes, as extending their lifetime might cause
4625 reload to fail.
4626
4627 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4628
4629 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4630
4631 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4632 (try_redirect_by_replacing_jump): Update properly the count
4633 and frequency information.
4634
4635 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4636
4637 * toplev.c (dump_file_index): Move SSA dumps just after first
4638 jump dump.
4639 (dump_file): Corresponding changes.
4640 (rest_of_compilation): Move SSA path to just after the first
4641 jump pass.
4642 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4643 * doc/invoke.texi: Update dump file #s as they were completely
4644 out of date with reality.
4645
4646 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4647
4648 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4649
4650 * expr.c (emit_move_insn_1): Deal with non-default
4651 STACK_PUSH_CODE.
4652
4653 * expr.c (emit_single_push_insn): Fix warning.
4654
4655 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4656
4657 * expr.c (emit_move_insn_1): Avoid modifying
4658 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4659
4660 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4661
4662 * emit-rtl.c (adjust_address): New function.
4663 * expr.h (adjust_address): Add declaration.
4664 * builtins.c: Replace some calls to change_address with calls to it
4665 or to validize_mem.
4666 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4667 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4668 * config/arm/arm.c, config/convex/convex.c: Likewise.
4669 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4670 * config/i386/i386.c, config/i386/i386.md: Likewise.
4671 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4672 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4673 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4674 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4675 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4676
4677 2001-07-02 Jim Wilson <wilson@redhat.com>
4678
4679 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4680
4681 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4682
4683 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4684 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4685
4686 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4687
4688 * cppinit.c (lang_defaults): New table.
4689 (set_lang): Just read from lang_defaults into the live options
4690 structure.
4691
4692 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4693
4694 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4695 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4696 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4697
4698 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4699
4700 * doc/install.texi: Various spelling and markup fixes.
4701 (Installing GCC): Component specific installation instructions are
4702 gone.
4703 Fix reference.
4704 Warn about removing old install dir in the presence of shared libs.
4705 (Configuration): Invoke with options target to match configure
4706 --help.
4707 Consistently refer to gas, gld pathnames.
4708 Invert --enable-multilib documentation.
4709 Remove references to old compiler versions.
4710
4711 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712
4713 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4714
4715 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4716
4717 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4718 section.
4719 (Specific, mips*-sgi-irix5): Note IDO download.
4720 Reworded MIPS C hints.
4721 Use GNU as instead of GAS.
4722 Markup fixes.
4723 Removed SGI Freeware reference, IRIX 6 only.
4724 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4725 Note N64 library requirement/workaround.
4726 Update O32 hints.
4727 Complete list of structure passing bug victims.
4728
4729 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4730
4731 * doc/install.texi: Remove CVS Id.
4732
4733 2001-07-02 Andreas Jaeger <aj@suse.de>
4734
4735 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4736 (find_inherently_necessary): Remove unused variable.
4737
4738 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4739
4740 * c-common.h (TDI_inlined): New ast dump phase.
4741 (dump_flag_name): New function.
4742 * c-dump.c (dump_files): Add inlined phase.
4743 (dump_flag_name): Define.
4744 * doc/invoke.texi (-fdump-ast-inlined): Document.
4745
4746 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4747
4748 * stor-layout.c (layout_decl): Revert change to handling of alignment
4749 in packed types.
4750
4751 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4752
4753 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4754 for FIELD_DECL.
4755
4756 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4757
4758 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4759 is special.
4760
4761 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4762
4763 * tlink.c (recompile_files): Remove COMPILER_PATH and
4764 LIBRARY_PATH from the environment.
4765
4766 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4767
4768 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4769 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4770 enumerators.
4771 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4772
4773 * c-parse.in (OBJC_STRING): Kill.
4774 (objc_string): Decompose to [objc_string] '@' STRING.
4775 (reswords): Take the leading '@' off all the Objective C keywords.
4776 (objc_rid_sans_at): Kill.
4777 (init_reswords): Don't initialize it.
4778 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4779 (_yylex): Kill reconsider label. Look ahead one token after
4780 an '@'; if we get an identifier, check whether it's an
4781 Objective C @-keyword. If so, return the keyword. Otherwise,
4782 put back the token and return the '@' as a terminal.
4783
4784 * cpplib.c (lex_macro_node): Remove unnecessary check for
4785 leading '@' on identifier. Clarify control flow and commentary.
4786
4787 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4788
4789 * cse.c (new_label_ref): Variable deleted.
4790 (insert): Remove set of new_label_ref.
4791 (check_for_label_ref): New function.
4792 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4793
4794 See ChangeLog.5 for earlier changes.