1 2001-08-10 Richard Henderson <rth@redhat.com>
3 * doc/extend.texi (C Implementation): New chapter.
4 * doc/gcc.texi (Top): Link it in.
6 2001-08-10 Andrew Cagney <ac131313@redhat.com>
8 * doc/install.texi (Specific): Fix CVS merge botch.
10 2001-08-10 Richard Henderson <rth@redhat.com>
12 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
13 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
15 2001-08-10 Zack Weinberg <zackw@stanford.edu>
17 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
18 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
19 this macro is now required.
21 * cselib.c (cselib_process_insn), flow.c (propagate_block),
22 loop.c (find_and_verify_loops), reload.c (reload): Check
23 for rtx code of CALL_INSN, not CALL, when deciding if we
24 need to check for REG_SETJMP note.
26 * gcse.c (compute_hash_table, compute_store_table): Update
27 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
30 * config/avr/avr.c: Fix typo.
31 * config/convex/convex.c (expand_movstr): Use adjust_address.
32 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
34 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
35 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
37 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
38 Do define STACK_BOUNDARY.
39 * config/i370/i370.c: Include expr.h.
40 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
41 config/pa/som.h, config/v850/v850.h: Take in_ctors and
42 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
43 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
44 * config/m88k/m88k.c: Include c-tree.h after expr.h.
45 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
46 * config/romp/romp.c: Include expr.h after tree.h.
48 (output_fpop): Use xmalloc, not oballoc.
49 * config/we32k/we32k.c: Include expr.h.
51 2001-08-10 Kazu Hirata <kazu@hxi.com>
53 * config/h8300/h8300.h: Fix formatting.
55 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
57 * c-common.h (RETURN_NULLIFIED_P): Lose.
58 * c-semantics.c (genrtl_return_stmt): Don't check it.
60 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
62 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
63 (mips_annotate_frame_insn): New function.
64 (mips_emit_frame_related_store): New function.
65 (save_restore_insns): Don't mark instructions that set up the base
66 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
67 the store instructions instead.
68 (mips_expand_prologue): If the stack size is moved into a temporary
69 register, do not mark that move as frame-related. Add a
70 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
72 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
74 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
75 stack slot as unchanging if current_function_calls_eh_return.
77 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
79 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
80 access the second half of the TFmode scratch operand.
82 2001-08-10 Anthony Green <green@redhat.com>
84 * java/class.c (emit_register_classes): Conditionalize code on
87 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
89 * doc/install.texi (Specific, avr): Fix cross-reference to the
90 main manual to work both for info and HTML versions.
92 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
94 * stmt.c (expand_null_return_1): Remove code to generate simple returns
95 and "use_goto" argument.
96 (expand_null_return, expand_value_return): Update all callers.
97 * function.c (expand_function_end): Remove code to generate simple
99 * config/vax/vax.md (epilogue): New expander for function return.
100 * doc/md.texi (epilogue): Remove "if defined".
102 2001-08-09 Zack Weinberg <zackw@stanford.edu>
104 * Makefile.in: Partially revert my previous change:
105 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
106 of the hashtab.o and safe-ctype.o rules.
108 2001-08-09 Richard Henderson <rth@redhat.com>
110 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
111 (USE_COLLECT2): Remove duplicate definition.
112 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
113 (use_collect2): Remove dead code.
114 * configure.in (use_collect2): Remove will_use_collect2 and
115 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
116 * configure: Rebuild.
118 * target.h (targetm.asm_out.constructor): New.
119 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
120 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
121 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
122 * varasm.c (in_ctors, in_dtors): New.
123 (assemble_constructor, assemble_destructor): Remove.
124 (default_stabs_asm_out_destructor): New.
125 (default_named_section_asm_out_destructor): New.
126 (dtors_section, default_dtor_section_asm_out_destructor): New.
127 (default_stabs_asm_out_constructor): New.
128 (default_named_section_asm_out_constructor): New.
129 (ctors_section, default_ctor_section_asm_out_constructor): New.
130 * output.h: Update declarations.
131 * c-decl.c (c_expand_body): Use target hooks instead of
132 assemble_constructor and assemble_destructor.
133 * profile.c (output_func_start_profiler): Likewise.
134 * objc/objc-act.c (finish_objc): Likewise.
135 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
137 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
139 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
140 (DTORS_SECTION_ASM_OP): Likewise.
141 (__CTOR_LIST__): Use attribute section when possible.
142 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
144 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
145 ASM_OUTPUT_CONSTRUCTOR.
147 * config/darwin.c (machopic_asm_out_constructor): New.
148 (machopic_asm_out_destructor): New.
149 * config/darwin-protos.h: Update declarations.
150 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
151 (ASM_OUTPUT_DESTRUCTOR): Remove.
152 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
153 * config/nextstep.c (nextstep_asm_out_constructor): New.
154 (nextstep_asm_out_destructor): New.
155 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
156 (ASM_OUTPUT_DESTRUCTOR): Remove.
157 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
158 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
159 ASM_OUTPUT_*STRUCTOR.
160 * config/i386/aix386ng.h: Likewise.
162 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
163 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
164 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
165 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
166 * config/lynx.h: Likewise.
167 * config/netware.h: Likewise.
168 * config/psos.h: Likewise.
169 * config/alpha/alpha-interix.h: Likewise.
170 * config/alpha/elf.h: Likewise.
171 * config/arc/arc.h: Likewise.
172 * config/arm/aof.h: Likewise.
173 * config/arm/coff.h: Likewise.
174 * config/arm/elf.h: Likewise.
175 * config/c4x/c4x.h: Likewise.
176 * config/h8300/h8300.h: Likewise.
177 * config/i386/cygwin.h: Likewise.
178 * config/i386/djgpp.h: Likewise.
179 * config/i386/i386-coff.h: Likewise.
180 * config/i386/i386-interix.h: Likewise.
181 * config/i386/sco5.h: Likewise.
182 * config/i386/vsta.h: Likewise.
183 * config/i386/win32.h: Likewise.
184 * config/i960/i960-coff.h: Likewise.
185 * config/ia64/sysv4.h: Likewise.
186 * config/m68hc11/m68hc11.h: Likewise.
187 * config/m68k/coff.h: Likewise.
188 * config/m68k/mot3300.h: Likewise.
189 * config/m88k/m88k.h: Likewise.
190 * config/mcore/mcore-pe.h: Likewise.
191 * config/mcore/mcore.h: Likewise.
192 * config/mips/elf.h: Likewise.
193 * config/mips/elf64.h: Likewise.
194 * config/mips/iris6.h: Likewise.
195 * config/pa/pa64-hpux.h: Likewise.
196 * config/rs6000/sysv4.h: Likewise.
197 * config/sh/sh.h: Likewise.
198 * config/sparc/litecoff.h: Likewise.
200 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
201 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
202 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
203 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
204 (ASM_OUTPUT_DESTRUCTOR): Remove.
205 * config/a29k/a29k.c: Move include of tree.h.
206 * config/a29k/udi.h: Delete file.
207 * config/alpha/alpha.c (vms_asm_out_constructor): New.
208 (vms_asm_out_destructor): New.
209 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
210 (EXTRA_SECTION_FUNCTIONS): Likewise.
211 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
212 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
213 * config/c4x/c4x.c: Move include of tree.h.
214 * config/clipper/clipper.c (clix_asm_out_constructor): New.
215 (clix_asm_out_destructor): New.
216 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
217 (ASM_OUTPUT_DESTRUCTOR): Remove.
218 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
219 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
220 (TARGET_ASM_CONSTRUCTOR): New.
221 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
222 (sco_asm_out_constructor): New.
223 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
224 * config/i386/svr3gas.h: Remove stack grows up code.
225 Remove code duplicated from i386/sysv3.h.
226 (TARGET_ASM_CONSTRUCTOR): New.
227 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
228 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
229 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
230 (TARGET_ASM_CONSTRUCTOR): New.
231 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
232 (m68hc11_asm_out_destructor): New.
233 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
234 (TARGET_ASM_DESTRUCTOR): New.
235 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
236 * config/m68k/dpx2.h: Properly undef all the bits inherited from
237 config/svr3.h pertaining to section manipulation.
238 * config/m68k/dpx2g.h: Remove #if 0 code.
239 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
240 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
241 (ASM_OUTPUT_CONSTRUCTOR): Remove.
242 (TARGET_ASM_CONSTRUCTOR): New.
243 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
244 (m88k_svr3_asm_out_constructor): New.
245 (m88k_svr3_asm_out_destructor): New.
246 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
247 (ASM_OUTPUT_DESTRUCTOR): Remove.
248 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
249 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
250 * config/rs6000/aix.h: Likewise.
251 * config/mips/rtems64.h: Don't undef removed constructor related bits.
252 * config/mips/vxworks.h: Likewise.
253 * config/rs6000/lynx.h: Likewise.
254 * config/sh/elf.h: Likewise.
255 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
256 (DTORS_SECTION_ASM_OP): New.
257 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
258 (ASM_OUTPUT_DESTRUCTOR): Remove.
259 * config/sparc/sol2-sld-64.h: Likewise.
260 * config/vax/vax.c (vms_asm_out_constructor): New.
261 (vms_asm_out_destructor): New.
262 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
263 (ASM_OUTPUT_DESTRUCTOR): Remove.
264 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
266 * doc/tm.texi (@node Initialization): Update.
268 2001-08-09 Richard Henderson <rth@redhat.com>
270 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
271 (__do_global_dtors_aux): Use gp-relative static data to avoid
272 one dynamic relocation.
273 (__do_frame_setup): Register Java classes.
274 * config/alpha/crtend.asm (__JCR_END__): New.
276 2001-08-09 Zack Weinberg <zackw@stanford.edu>
278 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
279 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
280 (GEN, STAGESTUFF): Add new files.
281 (insn-constants.h, s-constants, tm-preds.h, s-preds,
282 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
283 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
284 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
285 as well as insn-codes.h and insn-flags.h in config.h; and no
286 extra headers in tconfig.h and hconfig.h.
288 * gencodes.c: Eliminate code to generate predicate declarations
289 or #defines for md-file constants.
290 * genconstants.c, genpreds.c: New files.
292 * i386.md: Re-order guard expressions such that TARGET_64BIT
293 comes first, when this permits better optimization. Add
294 TARGET_64BIT to more x86-64 patterns. Add comment explaining
295 why this is desirable.
297 2001-08-09 Jakub Jelinek <jakub@redhat.com>
299 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
300 (find_fde_for_dso): Remove.
301 (_Unwind_IteratePhdrCallback): New.
302 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
303 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
305 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
307 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
308 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
310 2001-08-09 Graham Stott <grahams@redhat.com>
312 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
313 (vis_no_unit): Use it.
314 (visualize_no_unit): Add the insn only if room exists.
316 2001-08-09 Graham Stott <grahams@redhat.com>
318 * predict.c (estimate_probability): Replace magic numbers with
319 appropriate enumeration.
321 2001-08-09 Graham Stott <grahams@redhat.com>
323 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
325 (EXTRACT_FLAGS): Likewise.
327 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
329 * config/mips/mips.c (mips_legitimate_address_p): Check for
330 CONST_INT in last patch.
332 2001-08-08 Anthony Green <green@redhat.com>
334 * java/class.c (emit_register_classes): Use assemble_jcr if
335 possible. Keep the original mechanism as a fallback.
336 * defaults.h (JCR_SECTION_NAME): Define if we have named section
337 and weak symbol support.
338 * crtstuff.c (__JCR_LIST__): Define.
339 (__JCR_END__): Define.
340 (_Jv_RegiserClasses): Define weak symbol if possible.
341 (__do_global_ctors_aux): Register classes for ELF targets with
344 2001-08-08 Kazu Hirata <kazu@hxi.com>
346 * dbxout.c: Fix comment formatting.
347 * dependence.c: Likewise.
349 * diagnostic.c: Likewise.
350 * dominance.c: Likewise.
351 * doprint.c: Likewise.
352 * dwarf2out.c: Likewise.
353 * dwarfout.c: Likewise.
354 * emit-rtl.c: Likewise.
355 * except.c: Likewise.
356 * explow.c: Likewise.
357 * expmed.c: Likewise.
360 * fold-const.c: Likewise.
361 * function.c: Likewise.
363 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
365 * global.c (retry_global_alloc): Avoid shadowing allocno.
367 2001-08-08 Mark Mitchell <mark@codesourcery.com>
369 * except.c (remove_fixup_regions): Fix typo.
371 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
373 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
374 unsigned HOST_WIDE_INT to avoid warning.
375 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
376 * flow.c (set_block_for_new_insns): Likewise.
378 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
380 * sibcall.c (return_value_pseudo): New static variable.
381 (skip_copy_to_return_value): Handle return_value_pseudo.
382 (call_ends_block_p): Ensure that return_value_pseudo is set.
383 (optimize_sibling_and_tail_recursive_call): Discover the
384 load of pseudo return value in alternate exit block.
386 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
388 * calls.c (ECF_ALWAYS_RETURN): New constant.
389 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
390 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
391 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
392 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
393 * rtl.c (reg_note_name): New name.
394 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
396 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
398 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
400 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
402 * alias.c (get_alias_set): Return a previously calculated
403 alias set for a VAR_DECL.
404 * function.c (gen_mem_addressof): Calculate the alias set before
407 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
409 * predict.def: Set hitrates according our experimental run.
411 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
413 * i386.h (HARD_REGNO_RENAME_OK): New macro.
415 2001-08-08 H.J. Lu <hjl@gnu.org>
417 * config/mips/mips.c (mips_unique_section): New. Copied from
420 * config/mips/mips-protos.h (mips_unique_section): New
423 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
425 * config/mips/little.h: New. Generic little endian mips
426 targets. Only mips*-*-linux* is converted to use it so far.
428 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
429 (WCHAR_TYPE): Defined
430 (WCHAR_TYPE_SIZE): Likewise.
431 (INIT_SUBTARGET_OPTABS): Likewise.
432 (BSS_SECTION_ASM_OP): Likewise.
433 (SBSS_SECTION_ASM_OP): Likewise.
434 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
435 (ASM_DECLARE_OBJECT_NAME): Likewise.
436 (UNIQUE_SECTION): Likewise.
437 (EXTRA_SECTIONS): Likewise.
438 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
439 (ASM_OUTPUT_DESTRUCTOR): Likewise.
440 (ASM_OUTPUT_DEF): Likewise.
441 (HANDLE_SYSV_PRAGMA): Removed.
442 (NO_IMPLICIT_EXTERN_C): Likewise.
443 (TARGET_MEM_FUNCTIONS): Likewise.
444 (STARTFILE_SPEC): Likewise.
445 (ENDFILE_SPEC): Likewise.
446 (LIB_SPEC): Likewise.
447 (INVOKE__main): Likewise.
448 (CTOR_LIST_BEGIN): Likewise.
449 (CTOR_LIST_END): Likewise.
450 (DTOR_LIST_BEGIN): Likewise.
451 (DTOR_LIST_END): Likewise.
452 (SET_ASM_OP): Likewise.
453 (ASM_OUTPUT_SOURCE_LINE): Likewise.
454 (ASM_OUTPUT_DEF): Likewise.
455 (ASM_OUTPUT_IDENT): Likewise.
457 * config/mips/mips.h (ASM_SPEC): Undefine before define.
458 (CPLUSPLUS_CPP_SPEC): Likewise.
459 (ASM_APP_ON) Redefine only if not defined.
460 (ASM_APP_OFF): Likewise.
461 (ASM_OUTPUT_SOURCE_LINE): Likewise.
462 (ASM_OUTPUT_IDENT): Likewise.
464 * config.gcc: Update tm_file for Linux/mips.
466 2001-08-08 Bernd Schmidt <bernds@redhat.com>
468 * cselib.c (cselib_record_sets): If insn is predicated, turn
469 sources into IF_THEN_ELSEs.
471 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
472 Turn into define_insn_and_split.
474 * sched-deps.c: Include "cselib.h".
475 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
476 Use cselib to turn memory addresses into VALUEs.
477 (sched_analyze): Call cselib_init/cselib_finish if necessary.
478 * sched-int.h (struct sched_info): New member USE_CSELIB.
479 * sched-ebb.c (ebb_sched_info): Initialize it.
480 * sched-rgn.c (rgn_sched_info): Likewise.
481 * Makefile.in (sched-deps.o): Update dependencies.
483 * cselib.h (cselib_subst_to_values): Declare.
484 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
485 that have no value and autoincs to be handled by generating a new
488 2001-08-08 Graham Stott <grahams@redhat.com>
490 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
491 within fixed length SEQUENCE.
493 2001-08-08 Graham Stott <grahams@redhat.com>
495 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
496 (diagnostic_prefixing_rule): Likewise.
497 (diagnostic_line_cutoff): Likewise.
498 (diagnostic_kind_count): Likewise.
500 2001-08-08 Graham Stott <grahams@redhat.com>
502 * alias.c (find_base_decl): Delete redundent assignment.
504 2001-08-08 Graham Stott <grahams@redhat.com>
506 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
507 (abs): Uppercase and paranthesize macro parameter.
508 (MEM_DEPENDENCY): Add whitespace.
510 2001-08-08 Graham Stott <grahams@redhat.com>
512 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
513 failure check for CONST_INT
515 2001-08-08 Graham Stott <grahams@redhat.com>
517 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
518 (libcall_dead_p): Likewise.
520 (mark_used_regs): Constify fmt.
521 (find_use_as_address): Likewise.
523 2001-08-08 Graham Stott <grahams@redhat.com>
525 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
528 2001-08-08 Graham Stott <grahams@redhat.com>
530 * combine.c (combine_simplify_rtx): Update comment and
531 remove erroneous test.
533 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
535 * cppinit.c (cpp_finish): Pop the final buffer without comment.
536 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
537 take care to avoid multiple no-newline at EOF warnings in that
540 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
542 * calls.c (expand_call): Do not emit INSN_SETJMP note.
543 (emit_library_call_value_1): Likewise.
544 (emit_call_1): Emit REG_SETJMP note.
545 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
547 * cselib.c (cselib_process_insn): Likewise.
548 * flow.c (propagate_block): Likewise.
549 * loop.c (find_and_verify_loops): Likewise.
550 * reload.c (find_equiv_regs): Likewise.
551 * reload1.c (reload): Likewise.
552 * resource.c (mark_referenced_resources,
553 mark_set_resources): Likewise.
554 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
555 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
556 * haifa-sched.c (unlink_other_notes): Likewise.
557 (reemit_notes): Likewise.
558 * sched-ebb.c (sched_ebb): Likewise.
559 * sched-rgc.c (sched_region): Likewise.
560 * rtl.c (note_insn_name): Likewise.
561 (reg_note_name): Add REG_SETJMP
562 * rtl.h (reg_note): Add REG_SETJMP.
563 (insn_note): Remove NOTE_INSN_SETJMP.
565 * profile.c (branch_prob): Add fake edges for setjmp.
567 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
569 * config.gcc: Quote target_cpu_default2 correctly for
570 powerpc*-*-* targets.
572 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
574 * cpplib.h, line-map.h: Update comments.
575 * cppmain.c (printer_init): Move inline.
576 (maybe_print_line, print_line): Take a map pointer.
577 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
578 (cb_file_change): Don't use prior value of print.map.
580 2001-08-07 David Edelsohn <edelsohn@gnu.org>
582 * doc/install.texi: Document fine-grained multilib configuration.
584 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
586 * rtlanal.c (find_first_parameter_load): Call note_stores
587 only on the instructions.
589 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
591 * alias.c (nonlocal_mentioned_p):
592 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
593 * calls.c (emit_call_1): Likewise.
594 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
595 * cselib.c (cselib_process_insn): Likewise.
596 * df.c (df_insns_modify): Likewise.
597 * flow.c (need_fake_edge_p): Likewise.
598 (propagate_one_insn): Likewise.
599 * haifa-sched.c (reemit_notes): Likewise.
600 * integrate.c (copy_insn_list): Likewise.
601 * jump.c (delete_prior_computation): Likewise.
602 * local-alloc.c (validate_equiv_mem): Likewise.
603 * loop.c (scan_loop): Likewise.
604 * predict.c (estimate_probability): Likewise.
605 * reload.c (reload): Likewise.
606 * sched-deps (sched_analyze): Likewise.
607 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
608 * gcse.c (compute_hash_table): Likewise.
609 (mark_call): Likewise.
610 (store_killed_in_insn): Likewise.
612 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
614 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
616 2001-08-06 Richard Henderson <rth@redhat.com>
618 * varasm.c (assemble_gc_entry): Remove.
619 * output.h: Likewise.
621 2001-08-06 Richard Henderson <rth@redhat.com>
623 * varasm.c (assemble_constructor): Take a symbol_ref and a
624 priority instead of a bare string. Move priority handling
625 here from cp/decl2.c.
626 * output.h: Update decls.
628 * c-decl.c (c_expand_body): Update calls to assemble_constructor
629 and assemble_destructor.
630 * profile.c (output_func_start_profiler): Likewise.
631 * objc/objc-act.c (finish_objc): Likewise.
632 (build_module_descriptor): Return the symbol not the symbol name.
634 2001-08-06 David Edelsohn <edelsohn@gnu.org>
636 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
637 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
638 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
639 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
640 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
641 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
643 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
645 * cpperror.c (print_containing_files): Moved to line-map.c.
646 (print_location): line-map.c handles re-listing or otherwise.
647 * cpphash.h (struct lexer_state): Remove next_bol.
648 (struct cpp_buffer): Remove include_stack_listed.
649 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
650 Remove faked buffer handling.
651 (_cpp_do_file_change): Tweak.
652 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
653 * cppmain.c (struct printer): Remove filename.
654 (print_line, cb_file_change): Update accordingly.
655 * line-map.c: Include intl.h.
656 (init_line_maps): Initialize last_listed.
657 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
658 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
659 (print_containing_files): New.
660 * line-map.h (struct line_maps): New member last_listed.
661 (print_containing_files, INCLUDED_FROM): New.
662 * Makefile.in: Update.
663 * po/POTFILES.in: Add line-map.c.
665 2001-08-06 Richard Henderson <rth@redhat.com>
667 * except.c (convert_from_eh_region_ranges_1): Never mark
668 USE or CLOBBER insns as throwing.
670 * expr.c (store_constructor): Don't clobber memory targets.
672 2001-08-06 Andreas Jaeger <aj@suse.de>
674 * profile.c (branch_prob): Remove unused variable insn.
676 * Makefile.in (local-alloc.o): Add dependency on except.h.
678 * local-alloc.c: Include except.h for can_throw_internal prototype.
680 2001-08-06 Richard Henderson <rth@redhat.com>
682 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
683 * function.c (expand_main_function): Implement it.
684 * doc/tm.texi: Document it.
686 2001-08-06 Stan Shebs <shebs@apple.com>
688 * doc/install.texi: Document powerpc-*-darwin* details.
690 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
692 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
693 (ASM_CPU_SPEC): Move back to rs6000.h
694 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
696 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
698 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
701 * config/rs6000/linux64.h: Ditto.
703 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
704 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
707 Remove accidently readded definitions of FUNCTION_PROLOGUE,
708 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
710 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
713 2001-08-05 Richard Henderson <rth@redhat.com>
715 * local-alloc.c (update_equiv_regs): Do not move insns that
718 2001-08-05 Jan Hubicka <jh@suse.cz>
720 * Makefile.in (reload1.o): Add dedendancy on except.h
721 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
723 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
724 indicating wehther edges has been cleaned up.
725 * reload1.c: Inlucde except.h
726 (fixup_abnormal_edges): Accept deleted insns.
727 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
730 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
732 * cpplib.c (do_line): Correct line number after pop_buffer.
734 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
737 * line-map.c: Update comments.
738 * line-map.h: Update comments.
739 * tradcif.y: Don't consider large numbers unsigned.
741 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
744 * c-lex.c (map): New.
745 (cb_file_change): Update map and use it.
746 (cb_def_pragma, cb_define, cb_undef): Use map and line.
747 (c_lex): Update to use map.
748 * cpperror.c (print_location): Move to using logical line numbers.
749 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
750 (cpp_make_system_header): Similarly.
751 (_cpp_execute_include): Stop line numbering hacks. Store the
752 line we will return to.
753 * cpphash.h (CPP_BUF_LINE): Remove.
754 (struct cpp_buffer): Remove lineno and pseudo_newlines.
755 Add map and return_to_line.
756 (_cpp_do_file_change): Update.
757 * cppinit.c (cpp_start_read): Update line kludge.
758 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
759 (trigraph_ok): Use logical line numbers for diagnostics.
760 (skip_block_comment): Likewise.
761 (skip_whitespace): Likewise.
762 (skip_line_comment): Use pfile->line instead.
763 (_cpp_lex_token): Update to use logical line numbering exclusively.
764 Handle BOL locally. Accept new lines in directives, but keep
765 pfile->line decremented. Diagnostics use logical lines. Update
767 * cpplib.c (SEEN_EOL): New.
768 (skip_rest_of_line, check_eol): Use it.
769 (end_directive): Increase line number when accepting the newline
770 at the end of a directive.
771 (run_directive): Simplify.
772 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
773 (_cpp_do_file_change): Update to take buffer line number as an
774 argument, and store the current map in the cpp_reader. Remove
776 (_cpp_do__Pragma): Restore output position after a _Pragma.
777 (cpp_push_buffer): Don't set output line or lineno.
778 (_cpp_pop_buffer): Transfer more info from a faked buffer.
779 Remove line kludge. Set output_line.
780 * cppmacro.c (builtin_macro): Update handling of __LINE__.
781 (parse_arg): Use logical lines.
782 (save_lookahead_token): Save EOFs too now.
783 * cppmain.c (struct printer): Fix comments.
784 (printer_init): Simplify, let caller do errors.
785 (scan_translation_unit, check_multiline_token, dump_macro): Update.
786 (maybe_print_line): Simplify.
787 (print_line): Don't print a linemarker if -P.
788 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
789 (cb_file_change): Simplify.
790 * line-map.h (LAST_SOURCE_LINE): Fix.
791 (CURRENT_LINE_MAP): New.
793 2001-08-05 Bernd Schmidt <bernds@redhat.com>
795 * doloop.c (doloop_modify_runtime): Properly compute number of
796 iterations if loop was unrolled.
798 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
799 if their CSELIB_VAL_PTRs are.
801 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
802 (setup_spill_pointers): Initialize it.
803 (spill_restore_mem): Set it.
804 (do_spill, do_restore): Use it to add REG_INC note.
805 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
807 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
808 asms if other insns are available.
810 * config/ia64/ia64.c (condop_operator): New predicate.
811 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
812 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
815 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
816 temporary register than directly using a MEM.
818 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
820 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
821 parameter in last change.
823 2001-08-04 Zack Weinberg <zackw@panix.com>
825 * sparc.md: Don't use #if inside C test expression.
827 2001-08-04 Richard Henderson <rth@redhat.com>
829 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
831 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
833 * cpphash.h (struct cpp_reader): New member directive_line.
834 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
835 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
836 do_pragma): Pass line to callbacks.
837 (start_directive): Record line of directive.
838 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
839 cb_include): Similarly.
840 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
843 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
845 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
848 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
852 * reload1.c (fixup_abnormal_edges): New static function.
855 * flow.c (need_fake_edge_p): New function.
856 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
857 avoid call insn to be very last insn in the insn stream.
859 * profile.c (branch_prob): Call flow_call_edges_add instead of
860 doing that by hand; cleanup cfg to re-merge basic blocks once
863 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
865 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
866 are also on line-map.h.
867 * cppfiles.c (stack_include_file): Update.
868 * cpphash.h (struct cpp_buffer): New member return_at_eof.
869 (_cpp_pop_buffer): New.
870 * cppinit.c (cpp_destroy, cpp_finish): Update.
871 (do_includes): Mark each buffer to return at EOF.
872 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
874 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
875 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
876 * cpplib.h (cpp_pop_buffer): Remove.
877 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
878 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
880 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
882 (do_preprocessing): Update.
883 * fix-header.c (read_scan_file): Update. No need to pop buffers.
884 * c-parse.in (_yylex): Similarly.
885 * scan-decls.c (scan_decls): Similarly.
886 * line-map.h: Update comments.
888 * objc/Make-lang.in (objc-act.o): Update dependencies.
890 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
892 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
893 and soft register for operand 0.
894 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
896 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
898 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
899 register for operand 0.
900 ("bitcmpqi_z_used"): Allow memory for operand 0.
901 (split "bitcmpqi"): New split to handle address reg as operand 1.
903 2001-08-04 Andreas Jaeger <aj@suse.de>
905 * gcse.c: Revert Daniel's last patch.
907 2001-08-03 Zack Weinberg <zackw@stanford.edu>
909 * sparc-protos.h: Add prototypes for fp_zero_operand and
911 * sh-protos.h: Add prototype for fpul_operand.
913 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
915 * doc/extend.texi (Other Builtins): Fix typo in last change.
917 2001-08-03 Richard Henderson <rth@redhat.com>
919 * target.h (gcc_target): Add asm_out.named_section,
920 section_type_flags, have_named_sections.
921 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
922 (TARGET_HAVE_NAMED_SECTIONS): New.
923 (TARGET_SECTION_TYPE_FLAGS): New.
925 * Makefile.in (toplev.o): Depend on TARGET_H.
926 (varasm.o, dbxout.o): Likewise.
927 * c-common.c (decl_attributes): Check targetm.have_named_sections
928 instead of ifdef ASM_OUTPUT_SECTION_NAME.
929 * dbxout.c (dbxout_function_decl): Likewise.
930 (dbxout_function_end): Likewise.
931 * toplev.c (compile_file): Likewise.
932 * varasm.c (exception_section): Likewise.
933 * cp/decl2.c (finish_objects): Likewise.
935 * defaults.h (EH_FRAME_SECTION): Remove.
936 (EH_FRAME_SECTION_ASM_OP): Remove.
937 (EH_FRAME_SECTION_NAME): New.
938 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
939 (UNIQUE_SECTION_P): Remove.
940 * dwarf2out.c (SECTION_FORMAT): Remove.
941 (ASM_OUTPUT_SECTION): Remove.
942 (output_call_frame_info): Use named_section_flags.
943 (output_comp_unit, dwarf2out_start_source_file): Likewise.
944 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
945 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
946 * varasm.c (in_eh_frame, eh_frame_section): Remove.
947 (named_section_flags): New.
948 (named_section): Use it and targetm.section_type_flags.
949 (resolve_unique_section): New.
950 (assemble_start_function): Use it.
951 (asm_emit_uninitialised, assemble_variable): Likewise.
952 (default_section_type_flags): New.
953 (default_no_named_section, default_elf_asm_named_section): New.
954 (default_coff_asm_named_section, default_pe_asm_named_section): New.
955 * output.h: Update varasm.c decls.
956 (SECTION_*): New flags.
958 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
959 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
961 * config/elfos.h (UNIQUE_SECTION_P): Remove.
962 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
963 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
964 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
965 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
966 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
967 * config/mips/elf.h, config/mips/elf64.h: Likewise.
968 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
969 * config/pa/pa64-hpux.h,
971 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
972 (TARGET_ASM_NAMED_SECTION): New.
973 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
974 * config/alpha/vms.h, config/arm/coff.h: Likewise.
975 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
976 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
977 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
978 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
979 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
980 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
981 * config/i386/sco5.h, config/i386/win32.h: Likewise.
982 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
983 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
984 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
985 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
986 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
987 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
988 * config/sparc/sysv4.h: Likewise.
990 * config/nextstep.h: Error until named sections implemented.
992 * config/a29k/a29k.c (a29k_asm_named_section): New.
993 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
994 (vms_section_type_flags, vms_asm_named_section): New.
995 * config/arm/arm.c (arm_elf_asm_named_section): New.
996 * config/avr/avr.c (asm_output_section_name): Remove.
997 * config/avr/avr-protos.h: Update.
998 * config/c4x/c4x.c (c4x_asm_named_section): New.
999 * config/h8300/h8300.c (h8300_asm_named_section): New.
1000 * config/i386/i386.c (sco_asm_named_section): New.
1001 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1002 (i386_pe_section_type_flags): New.
1003 (i386_pe_asm_named_section): New.
1004 * config/i386/i386-protos.h: Update.
1005 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1006 * config/mcore/mcore.c (mcore_asm_named_section): New.
1007 * config/mips/mips.c (iris6_asm_named_section): New.
1008 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1009 instead of UNIQUE_SECTION_P.
1010 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1011 (xcoff_asm_named_section): New.
1012 * config/sh/sh.c (sh_asm_named_section): New.
1013 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1015 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1016 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1017 (EH_FRAME_SECTION_NAME): New.
1018 (EXCEPTION_SECTION): New.
1019 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1020 (DEBUG_*_SECTION): Remove.
1021 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1022 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1023 (EH_FRAME_SECTION_ASM_OP): Remove.
1025 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1026 (ASM_OUTPUT_SECTION_NAME): Remove.
1027 (TARGET_ASM_NAMED_SECTION): New.
1028 (TARGET_HAVE_NAMED_SECTIONS): New.
1029 (TARGET_SECTION_TYPE_FLAGS): New.
1030 (EH_FRAME_SECTION_ASM_OP): Remove.
1031 (EH_FRAME_SECTION_NAME): New.
1033 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1035 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1036 for complex expressions when cfun == 0.
1037 * doc/extend.texi: Document that __builtin_constant_p can be
1038 used in data initializers as well as functions.
1040 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1042 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1043 variable I locally, instead of expecting a declaration in the
1046 2001-08-03 Richard Henderson <rth@redhat.com>
1048 * except.c (collect_one_action_chain): Add an explicit cleanup
1049 action if regions surrounding a catch were encoded entirely
1050 within the call-site entry.
1052 2001-08-03 Richard Henderson <rth@redhat.com>
1054 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1055 don't take REGNO of a non-register.
1057 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1059 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1060 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1061 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1062 (__gthread_mutex_init_function): New function for mutex initialization.
1064 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1066 * Makefile.in: Revert screwed up commit.
1068 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1070 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1071 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1072 merged by linker script to get a final _exit().
1073 (__do_global_dtors): New for destructor handling in specific exit
1075 (__do_global_ctors): New for constructors in specific install section.
1076 (__map_data_section): Map data sections before running constructors.
1077 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1078 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1079 (DTORS_SECTION_ASM_OP): Likewise.
1080 (CTORS_SECTION_FUNCTION): Define to force a reference to
1082 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1084 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1086 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1088 * Makefile.in: Add df.h to gcse.c dependencies.
1090 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1092 * varasm.c (output_constant_def_contents): Use for the length of a
1093 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1094 depending on which is larger.
1096 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1098 * gcse.c: Include df.h for use as a dataflow analyzer.
1100 Declaration of reg_set_info: gone.
1101 New df_analyzer variable used by store motion.
1102 (reg_set_info): Deleted.
1103 (mark_mem_regs): New function, analyze regs used by a mem.
1104 (store_ops_ok): Use dataflow analyzer results to determine if
1105 necessary regs are changed in the block.
1106 (find_moveable_store): Remove check for symbol ref, we can handle
1107 much more complex expressions now.
1108 (compute_store_table): Remove most of the code, it's unnecessary
1109 now that the dataflow analyzer records the info for us.
1110 (store_killed_after): Add parameter to say whether to do the
1111 store_ops_okay test, used to speed up testing when we already know
1112 the answer, and just want to know if the store itself was killed.
1113 (build_store_vector): Largely rewritten to calculate the various
1114 vectors properly, and somewhat optimized.
1115 (store_motion): Init the df_analyzer, get REG_DEF chains.
1116 Also handle trapping expressions (since mems almost always trap)
1117 (simple_mem): Redefine what a simple mem is.
1119 2001-08-03 DJ Delorie <dj@redhat.com>
1121 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1122 set from a constant part of the condition.
1124 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1126 * mkdeps.c (deps_add_default_target): Make local variable
1127 ``start'' a const char pointer.
1128 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1130 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1132 * doc/install.texi (Configuration): Fix markup.
1133 (Specific, i?86-*-udk): Likewise.
1134 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1136 Document --enable-threads and --enable-libgcj status.
1137 (Specific, mips-sgi-irix*): Canonicalize triples.
1138 (Specific, mips-sgi-irix5): Warn about problems with this config.
1139 Mention required GNU as patch.
1140 Native assembler problems are fixed.
1141 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1142 Document --enable-threads and --enable-libgcj status.
1144 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1146 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1149 2001-08-03 Richard Henderson <rth@redhat.com>
1151 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1154 2001-08-03 Richard Henderson <rth@redhat.com>
1156 * rtlanal.c (find_first_parameter_load): Stop if we
1157 reach a CODE_LABEL at BOUNDARY.
1159 2001-08-03 Richard Henderson <rth@redhat.com>
1161 * config/alpha/alpha.md (force_movdi): New insn.
1162 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1163 Tweek FRP marking of VMS prologue insns.
1164 * config/alpha/vms.h (EPILOGUE_USES): New.
1166 2001-08-02 Richard Henderson <rth@redhat.com>
1168 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1170 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1172 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1173 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1174 config/convex/convex.h, config/d30v/d30v.c,
1175 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1176 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1177 config/mips/mips.h, config/mn10200/mn10200.h,
1178 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1179 config/v850/v850.h, config/vax/openbsd.h,
1180 config/vax/openbsd1.h, config/vax/ultrix.h,
1181 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1182 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1183 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1184 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1185 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1186 in comments and documentation.
1188 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1192 * Makefile.in (line-map.o): New.
1193 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1194 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1195 * cpperror.c (print_containing_files): Similarly.
1196 (print_location): Update. Don't output a space before _Pragma.
1197 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1198 (stack_include_filee, cpp_make_system_header): Update.
1199 (_cpp_execute_include): Get logical line number right for calling
1200 as-yet-unterminated #include.
1201 * cpphash.h (struct cpp_reader): Add line_maps.
1202 (_cpp_do_file_change): Update.
1203 * cppinit.c (cpp_create_reader): Initialize line maps.
1204 (cpp_destroy): Destroy line maps.
1205 (cpp_start_read): Get logical line number right.
1206 * cpplex.c (parse_string): Only warn once for multi-line strings.
1207 Use boolean variable for null warning.
1208 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1210 (do_include_common): End the directive early.
1211 (do_line): Don't warn about out-of-range lines in preprocessed
1212 source. Update. Remove unused variables.
1213 (_cpp_do_file_change): Update for new line mapping.
1214 (pragma_cb): New typedef.
1215 (cpp_register_pragma): Stop looking ahead before calling the
1217 (do_pragma_system_header): End directive early.
1218 (cpp_get_line_maps): New.
1219 (cpp_pop_buffer): Fudge logical line. Update.
1220 * cpplib.h: Include line-map.h
1221 (enum cpp_fc_reason): Remove.
1222 (struct cpp_file_change): Update.
1223 (cpp_get_line_maps): New.
1224 * cppmain.c (struct_printer): New member map.
1225 (cb_file_change): Update for new mappings.
1226 * fix-header.c (cb_file_change): Similarly.
1228 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1230 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1231 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1233 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1235 * config/vax/vax.c: include expr.h.
1237 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1239 * Makefile.in ($(srcdir)/configure): Only rebuild in
1241 ($(srcdir)/config.in): Only define in maintainer mode.
1242 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1244 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1246 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1248 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1250 * gcc.c (set_collect_gcc_options): New function, split out from
1252 Ignore elided switches.
1253 (do_spec_1): Invoke before executing command.
1254 (set_input): Export.
1255 Move declaration ...
1256 * gcc.h (set_input): ... here.
1257 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1260 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1263 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1265 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1267 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1269 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1270 for the unnamed instructions it expands to.
1272 2001-08-02 Richard Henderson <rth@redhat.com>
1274 * regclass.c (call_really_used_regs): Conditionally define.
1275 (init_reg_sets_1): Don't use it if not defined.
1276 (fix_register): Similarly, don't set it.
1278 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1280 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1281 Correct comment that had been missed in the previous change.
1283 2001-08-01 Stan Shebs <shebs@apple.com>
1285 * config/darwin.c (machopic_stub_name): Try matching by name.
1286 (update_stubs): New function.
1287 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1290 2001-08-01 Richard Henderson <rth@redhat.com>
1292 * except.c (output_function_exception_table): Use assemble_align.
1293 * varasm.c (assemble_eh_label): Remove.
1294 (assemble_eh_align, assemble_eh_integer): Remove.
1296 2001-08-01 Robert Lipe <robertl@caldera.com>
1298 * dwarfout.c: Remove reference to README.DWARF.
1300 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1302 * regclass.c (call_really_used_regs): New array for registers which
1303 are actually used by a call.
1304 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1306 (fix_register): Set call_really_used too.
1307 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1308 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1310 2001-08-01 Richard Henderson <rth@redhat.com>
1312 * read-rtl.c (read_name): Consider \r whitespace.
1314 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1316 * config.gcc: Recognize powerpc-*-netbsd*.
1318 * doc/install.texi (Host/target specific installation notes for
1319 GCC): Mention powerpc-*-netbsd*.
1321 * config/rs6000/netbsd.h: New file.
1322 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1323 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1324 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1325 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1326 (TARGET_VERSION): Redefine.
1328 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1329 mcall-netbsd as a match for mcall-sysv.
1330 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1331 (ncrti.S, ncrtn.S): New targets.
1332 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1334 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1335 "netbsd' as a V4 ABI.
1336 (ASM_SPEC): Check for -mcall-netbsd.
1337 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1338 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1339 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1340 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1341 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1342 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1343 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1345 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1346 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1348 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1350 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1351 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1352 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1353 including "unwind-pe.h".
1355 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1357 * rs6000.md (define_splits): Kill unused constraints.
1359 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1360 Jan Hubicka <jh@suse.cz>
1362 * function.c (thread_prologue_and_epilogue_insns): Kill code
1363 dealing with non-existent CFG.
1365 2001-08-01 Kazu Hirata <kazu@hxi.com>
1367 * alias.c: Fix comment formatting.
1368 * bitmap.c: Likewise.
1369 * builtins.c: Likewise.
1370 * calls.c: Likewise.
1371 * c-common.c: Likewise.
1372 * c-decl.c: Likewise.
1373 * c-dump.c: Likewise.
1374 * c-lex.c: Likewise.
1375 * collect2.c: Likewise.
1376 * combine.c: Likewise.
1377 * conflict.c: Likewise.
1378 * cppfiles.c: Likewise.
1379 * cppinit.c: Likewise.
1380 * cpplex.c: Likewise.
1381 * cpplib.c: Likewise.
1382 * cppmacro.c: Likewise.
1383 * cppspec.c: Likewise.
1384 * c-pragma.c: Likewise.
1385 * crtstuff.c: Likewise.
1387 * cselib.c: Likewise.
1388 * c-semantics.c: Likewise.
1389 * c-typeck.c: Likewise.
1391 2001-08-01 H.J. Lu <hjl@gnu.org>
1393 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1395 2001-08-01 H.J. Lu <hjl@gnu.org>
1397 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1399 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1401 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1402 contextualizing Objective-C class name lookup by the lexer.
1403 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1405 (protocoldef): Add support for forward @protocol declarations.
1406 (yylexname): Suppress ObjC class name lookup in certain contexts;
1407 re-enable after lookup is complete.
1408 (_yylex): Re-enable ObjC class name lookup when certain
1409 punctuation marks are seen.
1411 * objc/objc-act.c (check_protocol_recursively): New function used
1412 for finding circular dependencies in protocols.
1413 (objc_declare_protocols): New function for handling forward
1414 @protocol declarations.
1415 (receiver_is_class_object): Detect the case when 'self' is used
1416 inside of a class method.
1417 (build_message_expr): Issue a warning if class method is desired
1418 but instance method is found instead.
1419 (conforms_to_protocol): Streamline.
1420 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1421 protocol Foo, even if 'Bar foo' does not.
1422 (check_protocols): Streamline.
1423 (start_protocol): Add checks for circular and duplicate protocol
1425 (encode_aggregate_within): For typedefs of structs, encode the
1427 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1428 (objc_declare_protocols): New prototype.
1430 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1432 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1433 * cpplex.c (handle_newline): Update prototype. Maintain logical
1435 (skip_escaped_newlines, skip_block_comment, parse_string):
1437 (_cpp_lex_token): Update, and store token position within the token.
1438 * cpplib.h (struct cpp_token): Add line and column entries.
1439 * cppmacro.c (replace_args): Position stringified tokens correctly.
1441 2001-08-01 Andreas Jaeger <aj@suse.de>
1443 * basic-block.h: Add prototype for last_loop_beg_note.
1445 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1447 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1448 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1450 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1451 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1452 expand_decl_cleanup.
1453 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1455 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1456 operand while calling simple_cst_equal.
1457 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1458 operand is the cleanup expression, the third is the RTL_EXPR.
1459 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1461 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1463 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1465 2001-07-31 matthew green <mrg@eterna.com.au>
1467 * config.gcc (i386-*-netbsdelf): New description.
1468 * config/i386/netbsd-elf.h: New file.
1470 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1472 * loop.c (check_dbra_loop): Use single_set to compute
1475 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1477 PowerPC reorg and support for powerpc64-*-linux*.
1479 Also fixes emitting of constants on 32 bit and 64 bit
1482 * config.gcc: powerpc64-*-linux* is a new target.
1483 Things that needed aix.h now also include xcoff.h
1485 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1487 Move AIX specific stuff into aix.h.
1488 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1489 with more than just XCOFF now.
1490 (SET_ASM_OP): Remove, now defined where needed.
1491 (FUNCTION_PROLOGUE): New macro definition.
1492 (FUNCTION_EPILOGUE): New macro definition.
1493 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1495 * config/rs6000/xcoff.h: New file.
1497 * config/rs6000/linux64.h: New file.
1499 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1501 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1503 * rs6000.c (print_operand_address): Handle ELF syntax.
1504 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1505 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1506 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1508 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1510 * rs6000.c (rs6000_override_options): Only disable
1511 flag_function_sections for XCOFF.
1512 (exact_log2_cint_operand): New predicate.
1513 (reg_or_{add,sub}_cint64_operand): New predicates.
1514 (add_operand): Compare CONST_INT with fewer function calls.
1515 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1516 (print_operand, case 'p'): Ensure positive operand.
1517 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1518 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1519 (PREDICATE_CODES): Add new predicates.
1520 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1521 (divsi3, modsi3): Ensure positive power-of-2.
1522 (adddi3): Use new predicate. Split 32-bit constants more
1523 correctly. Re-arrange splitter to handle any constant.
1524 (subdi3): Use new predicate.
1525 (divdi3, moddi3): Ensure positive power-of-2.
1526 (movdi): Use rs6000_emit_set_const.
1527 (load_toc_v4_pic_di): Delete.
1529 2001-07-31 Graham Stott <grahams@redhat.com>
1531 * function.c (pad_below): Revert 2001-07-26 patch.
1533 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1535 * reg-stack (convert_regs_1): Fix best edge condition.
1537 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1539 * jump.c (duplicate_loop_exit_test): Better test for jumps
1540 entering the loop; create loop pre_header.
1542 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1544 * doc/install.texi: Add s390 and s390x as new targets.
1545 * doc/invoke.texi: Add documantation of S/390 and zSeries
1547 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1549 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1551 * config/m68k/m68k.md: Replace all general_operand with
1552 nonimmediate_operand for all destinations.
1553 * config/m68k/m68k.c (not_sp_operand): Likewise.
1555 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1557 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1559 2001-07-30 Richard Henderson <rth@redhat.com>
1561 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1562 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1564 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1566 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1567 Add missing doc strings
1568 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1569 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1571 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1573 * i386.c (ix86_output_main_function_alignment_hack): New function.
1574 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1576 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1577 edges by EDGE_DFS_BACK flag.
1578 (dump_edge_info): Add dfs_back flag.
1579 * basic-block.h (EDGE_DFS_BACK): New constant.
1580 (mark_dfs_back_edges): Declare.
1581 * alias.c (loop_p): Remove.
1582 (mark_constant_function): Use mark_dfs_back_edges.
1584 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1585 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1586 (compensate_edge): Break out from ...
1587 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1588 (convert_regs_2): Set block_done once block is really done;
1589 Do updating of the predecesors counts.
1591 * toplev.c (rest_of_compilation): Recompute block_for_insn
1592 before post-reload cfg_cleanup.
1593 * function.c (thread_prologue_epilogue_insns):
1594 Call set_block_for_new_insns when emitting prologue directly.
1596 2001-07-30 Andreas Jaeger <aj@suse.de>
1598 * jump.c: Add prototype for mark_modified_reg.
1600 * cse.c (set_live_p): Add unused attribute.
1602 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1604 (scan_for_source_files): Use long for count to avoid overflow.
1605 (output_data): Likewise.
1606 (output_data): Don't use string concatatenation to silence gcc
1609 * predict.c: Fix typos and grammar.
1611 * gcse.c (insert_insn_end_bb): Remove unused variables.
1613 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1615 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1616 (attempt_auto_inc): LIkewise.
1617 (mark_used_reg): Likewise.
1618 (try_pre_increment_1): Likewise.
1619 * regclass.c (regclass): Likewise.
1620 * global.c (allocno_compare): Update comment; change scaling factor.
1621 * local-alloc.c (QTY_CMP_PRI): Likewise.
1622 * regs.h (REG_FREQ_FROM_BB): New.
1623 (REG_FREQ_MAX): Likewise.
1625 2001-07-30 H.J. Lu <hjl@gnu.org>
1627 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1630 2001-07-30 H.J. Lu (hjl@gnu.org)
1632 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1633 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1634 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1636 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1638 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1639 as -mthumb-interwork when -mcpu=arm7 is specified.
1641 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1643 * predict.def (noreturn, loop branch, loop exit): Mark as first
1646 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1648 * combine.c (try_combine): Avoid barrier after noop jumps.
1650 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1652 * cpphash.h (struct cpp_reader): Remove import_warning.
1653 * cpplib.c (skip_rest_of_line): Don't bother turning off
1655 (parse_include): Move include handling to...
1656 (do_include_common): ... here. Move import warning from...
1657 (do_import): ... here.
1658 (do_pragma_poison): Don't do a callback for poison identifiers.
1659 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1660 * cppmain.c (setup_callbacks): Similarly.
1662 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1664 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1665 handle multiple sets.
1666 * except.c (sjlj_mark_call_sites): .... here.
1667 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1669 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1671 Suggested by Richard Henderson and Richard Kenner:
1672 * combine.c (recog_for_combine): Use the fake recog
1673 only if instruction does not match.
1674 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1675 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1677 * combine.c (try_combine): Discover noop jump as direct jump.
1679 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1681 * df.c (df_rd_global_compute): Add successors to worklist, not
1683 (df_ru_global_compute): Ditto.
1685 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1687 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1688 increment REG_N_SETS.
1690 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1692 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1694 * sbitmap.c (sbitmap_a_xor_b): New function.
1695 ifdef the basic block stuff on IN_GCC.
1697 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1699 * cppexp.c (parse_defined): Always record the macro name.
1700 (lex): Don't worry about identifiers, or special-case
1702 (_cpp_parse_expr): Figure out at the end of the routine
1703 whether we saw a valid !defined() expression.
1704 * cppfiles.c (stack_include_file): Update for mi_valid.
1705 (_cpp_pop_file_buffer): Similarly.
1706 * cpplex.c (_cpp_lex_token): Similarly.
1707 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1708 mi_if_not_defined, mi_lexed): Remove.
1710 * cpplib.c (do_if): Simplify.
1711 (do_endif, push_conditional, _cpp_handle_directive): Update
1712 for renaming of mi_state to mi_valid.
1714 * cpp.texi: Add index entries for digraphs, and add comment
1715 that C++ refers to them as alternative tokens.
1717 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1719 * basic-block.h (CLEANUP_PRE_LOOP): New.
1720 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1721 * sibcall.c (optimize_sibling_calls): Likewise.
1722 * toplev.c (rest_of_compilation): Likewise.
1723 * flow.c (try_forward_edges): Take argument MODE;
1724 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1725 (try_optimize_cfg): Update call of try_forward_edges.
1727 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1728 Jan Hubicka <jh@suse.cz>
1730 * (validate_replace_rtx_1): Fix simplification of MINUS.
1732 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1734 PR preprocessor/3669
1735 * cppinit.c (init_dependency_output): Turn off dump requests
1736 if sending dependencies to stdout.
1738 2001-07-28 Richard Henderson <rth@redhat.com>
1740 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1743 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1745 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1747 2001-07-28 Kazu Hirata <kazu@hxi.com>
1749 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1750 is VAR_DECL first to prevent an ICE.
1752 2001-07-28 Richard Henderson <rth@redhat.com>
1754 * varasm.c (immed_real_const_1): Don't elide special cases for
1756 (clear_const_double_mem): Clear const_tiny_rtx too.
1758 2001-07-28 Richard Henderson <rth@redhat.com>
1760 * dwarf2out.c (dw_val_class_offset): New.
1761 (struct dw_ranges_struct, dw_ranges_ref): New.
1762 (ranges_table, ranges_table_allocated): New.
1763 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1764 (add_AT_offset, add_ranges, output_ranges): New.
1765 (print_die, output_die): Handle dw_val_class_offset.
1766 (attr_checksum, size_of_die, value_format): Likewise.
1767 (gen_lexical_block_die): Handle non-contiguous blocks.
1768 (gen_block_die): Likewise.
1769 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1770 if needed. Dump the ranges table.
1771 * final.c (final_start_function): Remove unnecessary notes and
1772 rebuild the block tree before numbering the blocks.
1773 * function.c (reorder_blocks_0): Walk the existing block tree
1774 to unmark all blocks.
1775 (reorder_blocks_1): Create block fragments when duplicate block
1777 (reorder_fix_fragments): New.
1778 (reorder_blocks): Call it.
1779 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1781 2001-07-28 Richard Henderson <rth@redhat.com>
1783 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1785 2001-07-28 Richard Henderson <rth@redhat.com>
1787 * flow.c (add_to_mem_set_list): New function.
1788 (init_propagate_block_info): Use it.
1789 (mark_set_1): Likewise.
1790 (insn_dead_p): Canonicalize memory address for dead store
1791 comparison. Allow wider mode stores to kill narrower mode stores.
1792 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1793 (invalidate_mems_from_set): Don't handle MEMs.
1795 2001-07-28 Kazu Hirata <kazu@hxi.com>
1797 * config/h8300/h8300.h: Fix formatting.
1799 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1801 * basic-block.h (EDGE_FREQUENCY): New macro.
1802 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1804 * flow.c (find_sub_basic_blocks): Likewise.
1805 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1806 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1808 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1809 (HITRATE): New macro.
1810 (PRED_FLAG_FIRST_MATCH): New constant.
1811 (predictor_info): New field flgags.
1812 (combine_predictions_for_insn): Use DS theory to combine
1813 probabilities; set the edge probabilities when finished.
1814 (estimate_probability): Avoid duplicated matches
1815 of LOOP_BRANCH heuristics for nested loops; update comment.
1816 * predict.def: Add flags for each prediction, set probabilities
1817 according to B&L paper.
1818 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1820 * profile.c (compute_branch_probabilities): Cleanup way the edge
1821 probabilities are computed and REG_BR_PROB notes are dropped; if
1822 values does not match, emit error.
1823 (init_branch_prob): Do error instead of warning when profile driven
1824 feedback is missing or corrupt.
1826 2001-07-27 DJ Delorie <dj@redhat.com>
1828 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1829 against a constant, try to adjust the compare to have the desired
1830 constant in it so that min/max optimizations happen more often.
1832 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1834 * flow.c (last_loop_beg_note): New function.
1835 (redirect_edge_and_branch): Use it.
1836 (split_edge): Likewise.
1838 * alias.c (loop_p): Avoid uninitialized memory access.
1840 * flow.c (try_forward_edges): Avoid accessing freed memory.
1842 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1845 2001-07-26 Andrew Haley <aph@redhat.com>
1846 Joern Rennecke <amylaar@redhat.com>
1848 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
1849 (SUBTARGET_CPP_ENDIAN_SPEC): New.
1850 (SUBTARGET_CPP_SPEC): New.
1852 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
1853 (SUBTARGET_CPP_PTR_SPEC): New.
1854 (CPP_DEFAULT_CPU_SPEC): New.
1855 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
1856 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1857 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
1858 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
1859 (SUBTARGET_CPP_SPEC): Define as an empty string.
1861 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1863 * doc/install.texi (Configuration): Properly link the host
1864 specific instructions also when generating HTML.
1866 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1868 * flow.c (redirect_edge_and_branch_force): Test
1869 target->global_live_at_start.
1871 2001-07-26 Richard Henderson <rth@redhat.com>
1873 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1874 * rtl.h (avoid_constant_pool_reference): Declare it.
1875 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1876 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1878 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1880 * rtl.h (cleanup_barriers): Declare.
1881 * jump.c (cleanup_barriers): New function.
1882 * toplev.c (rest_of_compilation): Call cleanup_barriers
1883 before loop optimizer and after bb_reorder.
1885 * flow.c (back_edge_of_syntactic_loop_p): New.
1886 (split_edge): Use it.
1888 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1890 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1892 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1894 * cse.c (cse_process_notes): Replace any registers if the address
1897 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1899 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1900 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1901 (propagate_block): Update prototype.
1902 * flow.c (update_life_info): Simplify the CFG and
1903 recalculate the global regs which are alive when
1904 removing dead code during a global update.
1905 (propagate_block): Return non-zero if an INSN is
1908 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1910 * Makefile.in (LIBICONV): Define.
1912 2001-07-26 Catherine Moore <clm@redhat.com>
1914 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1915 of conditional to avoid tree checking errors.
1917 2001-07-26 Kazu Hirata <kazu@hxi.com>
1919 * regmove.c (regmove_optimize): Don't replace a reg with
1920 another reg of a different mode.
1922 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1924 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1925 limit length of dependancy flush list.
1926 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1927 * sched-int.h (struct deps): Add pending_flush_length field.
1928 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1929 has 1 element in it.
1930 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1931 (sched_analyze): After a jump, if the pending memory flush list is too
1932 large, flush the pending lists.
1933 (init_deps): Initialize pending_flush_length to 0.
1934 * doc/invoke.texi (max_pending_list_length): Document parameter.
1936 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1938 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1939 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1940 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1942 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1944 * cpphash.h (struct_lexer_state): Delete was_skipping.
1945 Move skipping here from struct cpp_reader.
1946 * cpplex.c (parse_identifier): Update.
1947 (_cpp_lex_token): Don't skip tokens in a directive.
1948 * cpplib.c (struct if_stack): Update.
1949 (start_directive, end_directive): Don't change skipping state.
1950 (_cpp_handle_directive): Update.
1951 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1952 (do_else, do_endif): Update; only check for excess tokens if not
1953 in a skipped conditional block.
1954 (push_conditional): Update for new struct if_stack.
1956 2001-07-26 Graham Stott <grahams@redhat.com>
1958 * function.c (locate_and_pad_parm): Also pad initial offset
1959 so that the total argument size also includes the padding.
1961 2001-07-26 Graham Stott <grahams@redhat.com>
1963 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1964 change XSTR to XTMPL.
1966 (process_one_cond_exec): Likewise
1968 2001-07-25 Richard Henderson <rth@redhat.com>
1970 * varasm.c (assemble_variable): Create DECL_RTL before setting
1973 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1975 * predict.c (estimate_probability): Avoid duplicated predictions.
1977 * loop.c (find_and_verify_loops): Grok multiple barriers.
1979 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1983 * dbxout.c: Consistently use putc instead of fputc.
1984 (print_wide_int): New function; call instead of direct fprintf.
1985 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1986 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1987 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1988 (print_int_cst_octal): Likewise.
1989 (print_octal): Show we wrote characters.
1990 (dbxout_type): Set have_used_extensions in more places.
1992 2001-07-25 Catherine Moore <clm@redhat.com>
1994 * config/v850/v850.c (v850_va_arg): Use addr
1995 instead of valist to build incr.
1997 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1999 * flow.c (delete_dead_jumptables): New function.
2000 (life_analyzis): Call it.
2001 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2004 2001-07-25 Richard Henderson <rth@redhat.com>
2006 * except.c (reachable_handlers): Handle a region being removed
2007 out from under a RESX.
2009 2001-07-25 Richard Henderson <rth@redhat.com>
2011 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2012 swap GE/GT if it is an fp comparison.
2014 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2016 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2019 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2021 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2022 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2025 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2027 (visit_expression): When attempting to simplify an expression,
2028 retrieve any modes for arguments before they are simplified
2031 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2032 Janis Johnson <janis@us.ibm.com>
2034 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2035 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2036 pointer parameters to match documented usage of nonlocal_goto.
2037 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2038 parameters to their correct order.
2039 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2040 parameters to their correct order.
2042 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2044 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2046 2001-07-25 Jan Hubicka <jh@suse.cz>
2047 Richard Henderson <rth@redhat.com>
2049 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2051 (make_edges): New argument update_p; populate the edge cache if set.
2052 (find_basic_blocks): Update make_edges invocation.
2054 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2056 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2058 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2060 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2061 -Acpu and -Amachine.h.
2062 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2063 Corrected header to say ELF not a.out.
2064 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2065 when given -msoft-float.
2067 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2069 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2070 extra multilib parts like arm-elf.
2071 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2072 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2073 crtfini.o as extra multilib parts.
2075 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2077 * configure.in: Add rtems as a supported thread model.
2078 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2079 * configure: Rebuilt.
2081 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2083 * stor-layout.c (get_mode_alignment): make it work when
2084 BITS_PER_UNIT is not a power of two.
2085 * builtins.c (get_pointer_alignment): Likewise.
2087 2001-07-24 Richard Henderson <rth@redhat.com>
2089 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2090 the retrieved constant into the expected mode.
2092 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2094 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2095 (verify_flow_info): Check for duplicated edges; clarify
2098 * flow.c (block_label): Update basic_block_for_insn.
2099 (commit_edge_insertions): Call compute_bb_for_insn.
2101 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2104 * flow.c (redirect_edge_and_branch,
2105 try_optimize_cfg): Use redirect_edge_succ_nodup
2106 (redirect_edge_succ_nodup): New.
2107 * basic_block.h (redirect_edge_succ_nodup): Declare.
2109 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2112 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2114 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2115 (try_crossjump_to_edge): Update commetns.
2116 (try_crossjump_bb): Likewise.
2118 2001-07-24 Richard Henderson <rth@redhat.com>
2120 * combine.c (distribute_notes): Move set of need_refresh
2121 for noop_move_p down to catch all cases.
2123 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2125 * recog.c (split_all_insns_noflow): New.
2126 * rtl.h (split_all_insns_noflow): Declare.
2127 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2128 * m68hc11.c (m68hc11_reorg): Likewise.
2129 * sh.c (machine_dependent_reorg): Likewise.
2130 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2133 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2135 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2136 (ashlsi3_n splitter): Likewise.
2137 (lshrsi3_n splitter): Likewise.
2139 (GOTaddr2picreg): Make const SImode.
2140 (sym_label2reg): Likewise.
2141 (symGOT2reg): Likewise.
2142 (symGOTOFF2reg) Likewise.
2144 (casesi_worker_0): Make unspec SImode.
2146 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2148 * config/sh/sh.c (barrier_align): Check that an operand really is
2149 an insn before extracting its INSN_CODE.
2151 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2153 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2156 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2157 for SImode to prevent overflow.
2159 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2161 * config/mips/irix6-libc-compat.c: New file.
2162 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2163 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2166 2001-07-24 lars brinkhoff <lars@nocrew.org>
2168 * rtl.texi (REG_POINTER): Document.
2169 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2170 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2172 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2174 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2176 2001-07-23 Richard Henderson <rth@redhat.com>
2178 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2180 2001-07-23 Kazu Hirata <kazu@hxi.com>
2182 * config/h8300/h8300-protos.h: Add a prototype for
2183 general_operand_dst_push.
2184 * config/h8300/h8300.c (general_operand_dst_push): New.
2185 * config/h8300/h8300.h (OK_FOR_T): New.
2186 (EXTRA_CONSTRAINT): Use it.
2187 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2188 the existing movqi pattern.
2189 (movhi_push): Likewise.
2191 * reload.c: Fix comment typos.
2193 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2195 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2197 2001-07-23 H.J. Lu (hjl@gnu.org)
2199 * doc/extend.texi: Update __builtin_return_address and
2200 __builtin_frame_address.
2202 2001-07-23 Richard Henderson <rth@redhat.com>
2204 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2206 * config/i386/i386.md: New setcc+movzbl peephole2.
2208 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2210 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2211 * objc/objc-act.c: Include debug.h.
2212 (synth_module_prologue): Save and restore debug hooks too.
2214 2001-07-23 lars brinkhoff <lars@nocrew.org>
2216 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2217 and C4X_FLOAT_FORMAT.
2218 (BOOL_TYPE_SIZE): Document.
2220 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2222 * unroll.c (loop_iterations): Fix miscalculation of initial
2225 2001-07-13 Andrew Haley <aph@redhat.com>
2227 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2228 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2229 * config/sh/sh.c (sh_can_redirect_branch): New function.
2230 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2231 * reorg.c (steal_delay_list_from_target): Use
2232 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2234 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2236 * flow.c (try_simplify_condjump): Unlink insn chain on
2237 fallthru edge; use can_fallthru.
2239 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2241 * basic-block.h (find_sub_basic_block): Declare.
2242 * flow.c (make_edges): New arguments MIN and MAX;
2243 (find_sub_basic_blocks): Revamp to use make_edges
2244 and purge_dead_edges.
2245 (find_basic_blocks): Update call of find_sub_basic_block.
2247 * recog.c (split_all_insns): Always expect CFG to be consistent;
2248 call find_sub_basic_blocks in case something has changed.
2249 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2252 * basic-block.h (delete_noop_moves): Declare.
2253 * combine.c (combine_instructions): Call it.
2254 (recog_for_combine): Tolerate noop moves
2255 (distribute_notes): Force refresh when register dies at noop move.
2256 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2258 (life_analysis): Update delete_noop_moves call.
2259 (set_noop_p): Move too ...
2260 * rtlanal.c (noop_move_p): ... here.
2261 * rtl.h (noop_move_p): Declare.
2263 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2264 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2266 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2267 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2269 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2271 * reload.c (push_reload): Fix typo in comment.
2272 (find_reloads_address): Ditto.
2273 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2275 2001-07-22 Richard Henderson <rth@redhat.com>
2277 * flow.c: Grammar check and clarify a lot of comments.
2278 (try_simplify_condjump): Rename variables to be clearer.
2279 (try_forward_edges): Skip complex and fallthru edges.
2280 Rearrange tests to avoid duplicate checks.
2281 (flow_find_cross_jump): Likewise.
2282 (outgoing_edges_match): Allow match if neither branch has
2283 probability data. Loosen probability match to 5%.
2284 (try_crossjump_to_edge): Hoist repeated indirection into
2286 (try_crossjump_bb): Don't check complex edges. Eliminate
2287 redundant crossjump tests.
2288 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2289 checks before more expensive checks.
2291 2001-07-22 Richard Henderson <rth@redhat.com>
2293 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2294 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2297 2001-07-22 Richard Henderson <rth@redhat.com>
2299 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2300 (const_sint32_operand): Likewise.
2301 * m68k.md (anon mulsi pattern): Use const_int_operand not
2302 const_sint32_operand.
2303 (umulsi3_highpart): Zero extend a constant input.
2304 (smulsi3_highpart): Don't bother checking SImode constant.
2305 (const_umulsi3_highpart): Give op3 DImode.
2306 (const_smulsi3_highpart): Likewise.
2308 2001-07-22 Richard Henderson <rth@redhat.com>
2310 * flow.c (split_block): Make sure bb_note is included in the
2311 new block when splitting before a label.
2313 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2315 * basic-block.h (redirect_edge_and_branch_force,
2316 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2317 * flow.c (redirect_edge_and_branch_force,
2318 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2319 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2320 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2321 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2322 instead of label; update CFG after transformation.
2323 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2324 for finishing the transformation; handle even case where ELSE
2325 does not follow THEN.
2326 (find_if_case_2): Update call of dead_or_predictable; simplify
2329 * emit-rtl.c (split_branch_probability): New global variable.
2330 (try_split): Take care to set split_branch_probability and
2331 create REG_BR_PROB note for new jump insns.
2332 * md.texi (define_split): Document new feature.
2334 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2336 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2338 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2339 (asm_out_file): Remove redundant declaration.
2340 (assemble_asm): Remove old #if 0 block.
2341 (assemble_variable): Remove end of function; debug output is
2342 now handled with global_decl. Remove old #if 0 block. Update.
2343 Remove saved_in_section and associated no-op code.
2344 * Makefile.in (varasm.o): Correct dependencies.
2346 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2348 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2349 the definition in defaults.h.
2351 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2353 * jump.c: Update comments.
2354 (delete_barrier_successors, delete_unreferenced_labels,
2355 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2356 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2357 jump_optimize, jump_optimize_minimal): Kill.
2358 (rebuild_jump_labels): Move code from jump_optimize_1.
2359 (purge_line_number_notes): Likewise.
2360 (copy_loop_headers): Likewise.
2361 * reg-stack.c: Update comment.
2363 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2364 JUMP_AFTER_REGSCAN): Kill.
2365 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2366 purge_line_number_notes and copy_loop_headers.
2368 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2369 Richard Henderson <rth@redhat.com>
2371 * dbxout.c (dbxout_global_decl): New.
2372 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2373 * sdbout.c (sdbout_finish): New.
2374 (sdbout_debug_hooks): Use it, add comments.
2375 (sdbout_global_decl): Defer initialised public vars to
2377 * varasm.c (assemble_variable): Don't output debug information
2378 for file-scope variables.
2380 2001-07-22 Richard Henderson <rth@redhat.com>
2382 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2383 (get_round_mode_suffix): New.
2384 (print_operand): Use them for [/]. Remove support for [&'`()+].
2385 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2386 * config/alpha/alpha.md (attr round_suffix): New.
2387 (attr trap_suffix): New.
2388 (all insns): Set them appropriately. Use %/ instead of the
2391 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2393 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2395 2001-07-22 Richard Henderson <rth@redhat.com>
2397 * regrename.c (regrename_optimize): Compute nregs for each
2398 potential target register.
2400 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2401 Richard Henderson <rth@redhat.com>
2403 * dbxout.c (dbxout_global_decl): New.
2404 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2405 * sdbout.c (sdbout_finish): New.
2406 (sdbout_debug_hooks): Use it, add comments.
2407 (sdbout_global_decl): Defer initialised public vars to
2409 * varasm.c (assemble_variable): Don't output debug information
2410 for file-scope variables.
2412 2001-07-21 H.J. Lu (hjl@gnu.org)
2414 * config/mips/mips.c (mips_cpu): Moved into ...
2415 (override_options): Here.
2417 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2419 (mips_cpu): Removed.
2421 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2423 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2424 ("iorqi3"): Likewise.
2425 ("xorqi3"): Likewise.
2426 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2427 ("*subhi3_sp): Likewise.
2428 ("*subhi3"): Likewise.
2429 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2432 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2434 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2435 * config/freebsd.h: Likewise.
2436 * config/linux.h: Likewise.
2437 * config/openbsd.h: Likewise.
2438 * config/alpha/linux-elf.h: Likewise.
2439 * config/arm/linux-elf.h: Likewise.
2440 * config/d30v/d30v.h: Likewise.
2441 * config/fr30/fr30.h: Likewise.
2442 * config/ia64/aix.h: Likewise.
2443 * config/ia64/ia64.h: Likewise.
2444 * config/mips/linux.h: Likewise.
2445 * config/pj/pj.h: Likewise.
2446 * config/rs6000/linux.h: Likewise.
2447 * config/sparc/linux.h: Likewise.
2448 * config/sparc/linux64.h: Likewise.
2450 2001-07-20 Bruce Korb <bkorb@gnu.org>
2452 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2453 because getc() and char* may disagree on signedness.
2455 2001-07-20 Richard Henderson <rth@redhat.com>
2457 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2459 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2460 insns to delete in the presence of cc0 in a jump insn.
2462 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2463 Jan Hubicka <jh@suse.cz>
2465 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2466 of doing the change by hand.
2468 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2470 * rtlanal.c (set_noop_p): Return true for noop jumps.
2472 * expr.c (emit_single_push_insn): Add call to push expander.
2473 * expr.h (optab_index): Add OTI_push
2474 (push_optab): New constant.
2475 * genopinit.c (optabs): Add push_optab.
2476 * optabs.c (init_optab): Init push optab.
2477 * md.texi (push??1): Document
2479 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2481 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2482 expand to emit the pattern; put a REG_INC note for push/pop
2484 ("movdf", "movdf_internal"): Likewise.
2485 ("movsi", "movsi_internal"): Likewise.
2486 ("movsf", "movsf_internal"): Likewise.
2487 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2489 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2491 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2494 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2496 * params.def: Change default max inline insns to 100.
2498 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2500 * combine.c (combine_simplify_rtx): Generate a new shift operation
2501 when simplifying the first operand of a (neg (ashift)) expression.
2503 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2505 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2507 2001-07-20 Kelley Cook <kelley.cook@home.com>
2509 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2510 information. Move rest into ...
2511 (*-*-solaris): ... here. Eliminate redundant information and
2512 reword necessary packages section. Delete 4.x assembler bug info.
2513 (sparc-sun-*): Merge into ...
2514 (sparc-sun-sunos*): here.
2516 2001-07-20 Catherine Moore <clm@redhat.com>
2518 * config/v850/v850.md (casesi): Generate LABEL_REF
2521 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2523 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2524 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2525 * i386.md (strclrsi expander): Use it.
2527 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2529 * integrate.c (copy_insn_list): handle
2530 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2531 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2532 identically as to CODE_LABEL.
2534 * fold-const (fold): Convert A/B/C to A/(B*C) and
2537 * except.c (connect_post_landing_pads): Delete the RESX insns.
2539 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2541 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2543 * config/mips/mips.md (nmadd/nmsub): Use macro.
2545 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2547 * cppinit.c (remove_dup_dir): Make static.
2548 (remove_dup_dirs): Make static. Only warn about preempting a
2549 system directory with a non-system directory.
2551 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2553 * ifcvt.c (noce_try_store_flag_constants): Correct order
2554 of parameters to trunc_int_for_mode.
2556 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2558 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2559 an exception that will be caught within this function, do not fill
2560 its delay slot with any subsequent instruction.
2562 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2564 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2565 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2566 pointer extension instruction.
2567 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2568 * simplify-rtx.c (simplify_unary_operation) Likewise.
2569 * explow.c (convert_memory_address) Check value of
2570 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2572 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2573 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2574 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2575 Add Multilib Support.
2576 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2577 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2578 Add Multilib Support.
2579 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2581 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2582 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2583 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2585 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2587 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2588 old and new operands in `<', `3' and `b'.
2590 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2592 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2593 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2594 (toplev.o): Don't depend on xcoffout.h.
2595 * c-decl.c: Include debug.h
2596 (duplicate_decls): Use debug hook.
2597 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2598 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2599 (dbxout_types): Remove.
2600 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2601 * debug.c (do_nothing_debug_hooks): Update.
2602 (debug_true_tree, debug_nothing_rtx): New.
2603 * debug.h (struct rtx_def): New.
2604 (struct gcc_debug_hooks): New hooks ignore_block,
2605 outlining_inline_function and label.
2606 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2607 dwarf2out_frame_finish): New.
2608 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2609 Make static, update prototype.
2610 (dwarf2_debug_hooks): Update.
2611 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2612 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2613 * dwarfout.c (dwarf_debug_hooks): Update.
2614 * emit-rtl.c: Include debug.h.
2615 (remove_unnecessary_notes): Use debug hook.
2616 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2617 (final_scan_insn): Use debug hook.
2618 * integrate.c (output_inline_function): Use debug hook.
2619 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2620 (sdb_debug_hooks): Update.
2621 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2622 * toplev.c: Don't include xcoffout.h.
2623 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2624 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2626 * tree.h (dwarf2out_do_frame): Remove.
2628 2001-07-19 Catherine Moore <clm@cygnus.com>
2630 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2632 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2634 * reload1.c (eliminate_regs_in_insn): When updating a set
2635 to the frame pointer to the hardware frame pointer, perform
2636 the update always not just when REPLACE is set.
2638 * reload1.c (choose_reload_regs): Don't inherit a reload
2639 that crosses multiple registers if registers past the first
2640 don't fit in the desired class.
2642 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2643 when negating constants.
2645 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2647 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2648 * doc/tree.texi: Ditto.
2650 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2651 Jakub Jelinek <jakub@redhat.com>
2653 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2654 (extract_cie_info): Handle "eh" augmentation properly,
2656 (struct frame_state, __frame_state_for): New.
2658 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2660 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2661 HANDLE_SYSV_PRAGMA): Define.
2662 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2664 (copy_object): Caller changed.
2666 2001-07-19 Andreas Schwab <schwab@suse.de>
2668 * configure.in (assembler dwarf2 debug_line support): Define nop
2670 * configure: Regenerated.
2672 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2674 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2676 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2677 to conditionally compiled block.
2678 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2679 * dbxout.h (dbxout_function): Remove.
2680 * debug.c (do_nothing_debug_hooks): Update.
2681 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2682 global_decl, deferred_inline_function.
2683 * dwarf2out.c (dwarf2_debug_hooks): Update.
2684 (dwarf2out_global_decl): New.
2685 * dwarfout.c: Don't include dwarfout.h.
2686 (dwarfout_global_decl, dwarfout_function_decl,
2687 dwarfout_deferred_inline_function): New.
2688 (dwarf_debug_hooks): Update.
2689 * dwarfout.h: Remove.
2690 * final.c: Don't include dwarfout.h.
2691 * sdbout.c (sdbout_global_decl): New.
2692 (sdbout_debug_hooks): Update.
2693 * toplev.c: Don't include dwarfout.h.
2694 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2695 (note_deferral_of_defined_inline_function): Remove.
2696 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2697 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2698 * ch/lex.c: Don't include dwarfout.h.
2699 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2700 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2701 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2702 * cp/optimize.c: Include debug.h.
2703 (maybe_clone_body): Use debug hook.
2704 * cp/semantics.c: Include debug.h.
2705 (expand_body): Use debug hook.
2706 * po/POTFILES.in: Remove dwarfout.h.
2708 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2710 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2711 * c-parse.in (yyerror, _yylex): Similarly.
2712 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2713 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2715 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2716 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2718 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2720 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2721 in-class declaration at -g1. Fixes c++/2814.
2723 2001-07-18 Richard Henderson <rth@redhat.com>
2725 * doc/md.texi (reload_in/out): Document restrictions in predicates
2726 and constraints for these patterns. Document empty string matching
2729 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2731 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2733 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2735 * cse.c: Undo my previous patch.
2737 2001-07-18 Tom Tromey <tromey@redhat.com>
2740 * configure: Rebuilt.
2741 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2743 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2745 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2746 Jan Hubicka <jh@suse.cz>
2748 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2749 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2750 * jump.c (mark_jump_label): Do not forward branches.
2752 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2754 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2755 when return value is unused.
2757 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2759 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2761 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2763 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2764 on error. We can't blindly return the result of
2765 pthread_mutex_trylock because it returns a positive number on
2766 error, while we must return -1 on error.
2767 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2769 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2771 2001-07-18 Andreas Jaeger <aj@suse.de>
2773 * integrate.c (output_inline_function): Correct type of debug_hooks.
2775 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2777 * combine.c (combine_simplify_rtx): DIV can be treated
2778 associatively for floats if unsafe math optimisations are enabled.
2780 2001-07-17 Richard Henderson <rth@redhat.com>
2782 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2784 2001-07-17 Richard Henderson <rth@redhat.com>
2786 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2787 don't force the function address into a register.
2788 (expand_call, emit_library_call_value_1): Update callers.
2789 * builtins.c (expand_builtin_apply): Likewise.
2790 * expr.h (prepare_call_address): Update decl.
2792 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2794 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2796 * config/i386/chorus.h: Move up.
2797 * config/sparc/chorus.h: Likewise.
2798 * config/rs6000/chorus.h: Likewise.
2799 * config/chorus.h: Moved here.
2801 2001-07-17 Andreas Schwab <schwab@suse.de>
2803 * configure.in (assembler eh_frame optimization): Handle big
2805 * configure: Regenerated.
2807 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2809 * expr.c (epxand_expr): Convert divisions into multiplications by
2810 reciprocals if -ffast-math.
2812 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2814 * dbxout.c (dbxout_really_begin_function): Rename to
2815 dbxout_begin_function.
2816 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2817 (dbxout_begin_function): Remove.
2818 (dbxout_function): Update.
2819 (dbxout_source_line): Update prototype.
2820 * dbxout.h (dbxout_begin_function): Remove.
2821 * debug.c (do_nothing_debug_hooks): Update.
2822 (debug_nothing_tree): Update.
2823 (debug_nothing_charstar_rtx): Remove.
2824 * debug.h (union tree_node): Declare.
2825 (struct rtx_def): Remove.
2826 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2827 begin_function. Change source_line prototype.
2828 (debug_nothing_tree): New.
2829 (debug_nothing_charstar_rtx): Delete.
2830 (dwarf2out_begin_prologue): Moved from ...
2832 * dwarf2out.c (dwarf2_debug_hooks): Update.
2833 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2834 debug info, call dwarf2out_source_line.
2835 (dwarf2out_souce_line): Update prototype.
2836 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2837 Change prototype, make static.
2838 (dwarfout_source_line): Update prototype.
2839 (dwarf_debug_hooks): Update.
2840 * dwarfout.h (dwarfout_begin_function): Remove.
2841 * final.c (final_start_function, final_scan_insn): Use appropriate
2842 debug hooks, update to use notice_source_line.
2843 (output_source_line): Rename notice_source_line. Don't call the
2844 source_line debug hook.
2845 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2846 make static, update prototype.
2847 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2849 (sdbout_end_prologue): New.
2850 (sdbout_source_line): Update prototype.
2851 (sdbout_debug_hooks): Update.
2852 (sdbout_symbol): Remove unused var.
2853 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2855 * varasm.c: Include debug.h.
2856 (assemble_start_function): Use begin_function debug_hook.
2857 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2858 update with prototype.
2859 (xcoffout_source_line): Update prototype.
2860 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2862 (xcoffout_source_line): Update prototype.
2864 2001-07-17 Richard Henderson <rth@redhat.com>
2866 * c-typeck.c (build_binary_op): Do not shorten unsigned
2867 right shift after sign extension.
2869 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2871 * combine.c (combine_simplify_rtx): Attempt to simplify
2872 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2874 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2875 (simplify_binary_operation, simplify_unary_operation,
2876 simplify_relational_operation): Use it.
2878 * combine.c (combine_simplify_rtx): Don't do associative law
2879 on divisions; allow associative law on floats.
2881 2001-07-17 H.J. Lu <hjl@gnu.org>
2882 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2884 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2885 ASM_OUTPUT_WEAK_ALIAS are defined.
2886 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2887 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2889 * config/mips/iris5.h: ... here.
2890 (HANDLE_SYSV_PRAGMA): Defined as 1.
2891 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2892 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2895 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2897 * c-parse.in (all_prefix_attributes): New variable.
2898 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2899 (maybe_resetattrs): New production.
2900 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2901 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2902 notype_initdcl, nested_function, notype_nested_function,
2903 component_decl, components, components_notype,
2904 component_declarator, component_notype_declarator,
2905 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2906 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2907 after a comma being applied to more than one declarator.
2908 * doc/extend.texi (Attribute Syntax): Update. Remove
2909 documentation of bugs that are no longer present.
2911 2001-07-13 Eric Christopher <echristo@redhat.com>
2913 * config/mips/mips.h: Change TUNE_MIPS* options to use
2915 (EXTRA_SPECS): Add cc1_cpu_spec.
2916 * config/mips/mips.md (muldf3): Fix typo.
2918 2001-07-16 Richard Henderson <rth@redhat.com>
2920 * config/m68k/m68k.c: Include expr.h and reload.h.
2921 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2922 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2924 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2925 Richard Henderson <rth@redhat.com>
2927 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2928 (insn_live_p): Fix fall off end of function.
2929 (dead_libcall_p): Remove COUNTS argument; update callers.
2930 (delete_trivially_dead_insns): Remove unused variables.
2932 2001-07-17 Andreas Jaeger <aj@suse.de>
2934 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2937 * lcm.c (optimize_mode_switching): Avoid warning for unused
2938 variable if !NORMAL_MODE.
2940 * flow.c (try_crossjump_to_edge): Remove unused variable.
2942 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2944 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2945 atexit declaration in stdlib.h.
2947 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2949 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2951 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2953 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2954 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2955 do rebuild_jump_labels instead of jump_optimize
2956 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2957 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2958 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2960 * flow.c: Include timevar.h
2961 (find_basic_block): Push/pop timevar;
2962 (cleanup_cfg): Likewise.
2963 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2964 * Makefile: Add dependencies on timevar.h
2966 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2967 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2969 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2970 * toplev.c (rest_of_compilation): Update calls.
2971 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2972 (delete_trivially_dead_insns): ... here; accept new argument
2973 preserve_basic_blocks; preserve basic blocks if set.
2975 * reg-stack.c (stack_regs_mentioned): Return 0 if
2976 stack_regs_mentioned_data is not initialized.
2977 (reg_to_stack): Make stack_regs_mentioned survive after the
2978 reg-stack is completted; do not call cleanup_cfg.
2979 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2980 make cleanup_cfg after bb-reorder to output to debug file.
2982 2001-07-16 Richard Henderson <rth@redhat.com>
2984 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2985 from int_reg_class_contents.
2987 2001-07-16 Richard Henderson <rth@redhat.com>
2989 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2990 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2991 (init_reg_sets_1): Move initialization from cse_main.
2992 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2993 (cse_main): Move its initialization also.
2994 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2995 * flow.c (propagate_one_insn): Likewise.
2996 * gcse.c (compute_hash_table): Likewise.
2997 (compute_kill_rd, compute_store_table): Likewise.
2998 * sched-deps.c (sched_analyze_1): Likewise.
3000 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3002 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3005 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3007 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3008 in if statement so we don't access undefined memory.
3010 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3012 * gcse.c: Update comment at top.
3013 Update comment on mem handling.
3014 mem_last_set, mem_first_set, mem_set_in_block: gone.
3015 Declaration of reg_set_info: gone.
3016 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3017 pointless with load_killed_in_block_p (they are *more*
3018 conservative then it, not less, and less accurate).
3019 (oprs_not_set_p): Ditto.
3020 (alloc_gcse_mem): Don't allocate mem_set_in_block
3021 (free_gcse_mem): Don't free it, either.
3022 (record_last_mem_set_info): Update comment in front, remove
3023 mem_*set_* stuff. Note the reason we don't handle stores directly
3025 (compute_hash_table): Update comments to reflect reality. Remove
3026 mem_*set_* references.
3027 (reset_opr_set_tables): Remove mem_*set_* references.
3029 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3030 (mark_clobber): Ditto (on both parts, we double set here too).
3031 (expr_killed_p): Remove mem_set_in_block test.
3032 (compute_transp): Remove mem_set_in_block test.
3034 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3035 of edge, and removal of phi alternative to dump file.
3036 (ssa_ccp_substitute_constants): Add note about register now being
3037 constant, and which uses were replaced in what insns to dump file.
3039 2001-07-16 Andreas Jaeger <aj@suse.de>
3041 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3042 variables of type HOST_WIDEST_INT.
3044 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3045 (__bb_exit_func): Correct type of count_max to avoid overflow.
3046 (num_digits): Handle long long argument.
3048 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3050 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3052 * output.h (sdb_begin_function_line): Restore as an extern
3054 * sdbout.c (sdb_begin_function_line): Make extern.
3056 2001-07-15 Richard Henderson <rth@redhat.com>
3058 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3059 * genrecog.c (maybe_both_true_mode): New.
3060 (maybe_both_true_2): Use it.
3061 (write_switch): Don't put Pmode in a switch.
3062 * rtl.c (mode arrays): Don't explicitly size them.
3064 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3066 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3067 handling; move unconditional splitting before mode switching.
3069 * i386.md (type): Add fistp type.
3070 (i387, length_attr, scheduling definitions): Handle this type.
3071 (fix_trunc?f?i2): Revamp to use mode switching.
3072 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3073 * i386.h (fp_cw_mode): New enum
3074 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3075 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3077 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3079 * Makefile.in (integrate.o): Add debug.h.
3080 * integrate.c (debug.h): Add.
3081 (output_inline_function): Save, reset, and restore debug_hooks.
3083 2001-07-15 Richard Henderson <rth@redhat.com>
3085 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3086 instead of COMPARE for the EQUIV expression.
3088 2001-07-15 Richard Henderson <rth@redhat.com>
3090 * flow.c (redirect_edge_and_branch_force): Initialize
3091 global_live_at_start and global_live_at_end.
3092 (allocate_bb_life_data): Export.
3093 * basic-block.h (allocate_bb_life_data): Declare.
3094 * toplev.c (rest_of_compilation): Call it.
3096 2001-07-15 Richard Henderson <rth@redhat.com>
3098 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3099 (alpha_tablejump_best_label): New.
3100 * config/alpha/alpha-protos.h: Declare them.
3101 * config/alpha/alpha.md: Use braced strings for code blocks.
3102 (tablejump_osf): Break out add with r29.
3103 (tablejump_osf_internal): Remove.
3104 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3105 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3107 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3109 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3112 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3114 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3115 (ix86_fp_jump_nontrivial_p): New.
3116 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3117 use ix86_fp_jump_nontrivial_p.
3118 * i386.c (ix86_fp_jump_nontrivial_p): New.
3119 (ix86_split_fp_branch): Accept code instead of rtx.
3120 (ix86_expand_compare): Expand comparison early in case
3121 doing so is resonably cheap.
3123 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3125 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3127 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3128 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3130 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3132 * dbxout.c (dbxout_source_line): Make static, update prototype.
3133 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3134 (dbxout_init, dbxout_finish, dbxout_source_line,
3135 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3136 * dbxout.h (dbxout_source_line): Delete.
3137 * debug.c (debug_nothing_file, debug_nothing_file_int,
3138 debug_nothing_file_charstar_rtx): New.
3139 (do_nothing_debug_hooks): Update.
3140 (debug_nothing_void, debug_nothing_charstar_rtx,
3141 dwarf2out_end_epilogue): New.
3142 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3143 * debug.h (struct rtx_def): Declare.
3144 (gcc_debug_hooks): New hooks source_line, end_epilogue
3146 (debug_nothing_void, debug_nothing_charstar_rtx,
3147 dwarf2out_end_epilogue): New.
3148 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3149 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3150 (dwarf2_debug_hooks): Update.
3151 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3152 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3153 * dwarf2out.h (dwarf2out_source_line): Remove.
3154 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3155 Make static, update prototype.
3156 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3157 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3158 (dwarf_debug_hooks): Update.
3159 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3160 dwarfout_end_function): Remove.
3161 * final.c (profile_function): Use debug hooks for ending functions
3163 (output_source_line, final_end_function): Update prototype,
3165 (final_start_function, final_scan_insn): Update.
3166 * output.h (sdb_begin_function_line): Remove.
3167 (final_end_function): Update prototype.
3168 * sdbout.c (sdb_begin_function_line): Make static.
3169 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3170 (sdbout_source_line): New.
3171 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3173 (sdb_debug_hooks): Update.
3174 (sdbout_init, sdbout_source_line,
3175 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3176 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3177 * toplev.c (compile_file, rest_of_compilation): Update.
3178 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3179 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3180 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3181 Update for prototype changes.
3182 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3183 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3185 2001-07-15 Richard Henderson <rth@redhat.com>
3187 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3188 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3189 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3190 * config/alpha/alpha.c: Likewise.
3191 * config/alpha/alpha.md: Likewise.
3192 * config/alpha/alpha32.h: Likewise.
3193 * config/alpha/vms.h: Likewise.
3196 2001-07-14 Richard Henderson <rth@redhat.com>
3198 * config/alpha/alpha.md: Use define_constants for unspec values.
3199 Substitute throughout.
3201 2001-07-14 Tim Josling <tej@melbpc.org.au>
3203 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3205 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3207 * pa.md: Remove unused constraints from define_split's.
3209 2001-04-14 Richard Henderson <rth@redhat.com>
3211 * ifcvt.c (find_cond_trap): Test for exit block.
3213 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3215 Re-install recently reverted patch.
3216 * emit-rtl.c (try_split): Update mark_jump_label call.
3217 * flow.c (find_sub_basic_blocks): Likewise.
3218 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3220 (mark_all_labels): Kill second parameter.
3221 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3222 (rebuild_jump_labels, jump_optimize_minimal): Update call
3224 (jump_optimize_1): Kill crossjumping code.
3225 (mark_jump_label): Kill cross_jump parameter.
3226 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3227 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3228 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3230 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3232 (dump_file_info): Likewise.
3233 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3234 reorganize passes to do reg-stack first, bb-reorder second.
3235 * invoke.texi (-d letters doc): Remove the jump2 pass.
3237 2001-07-14 Richard Henderson <rth@redhat.com>
3239 * ifcvt.c (find_cond_trap): New.
3240 (find_if_header): Call it.
3241 (merge_if_block): Relax existing jump sanity check.
3242 * jump.c (jump_optimize_1): Remove conditional trap handling.
3244 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3246 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3248 (insn_refs_are_delayed): Correct comment.
3249 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3250 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3251 instead of r31. Make associated insn !TARGET_64BIT, and
3252 provide an additional 64-bit insn that clobbers r2.
3254 (udivsi3): Likewise.
3256 (umodsi3): Likewise.
3258 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3260 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3262 * flow.c (redirect_edge_and_branch_force, split_edge,
3263 try_crossjump_to_edge): Use set_block_for_new_insns.
3264 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3266 2001-07-13 H.J. Lu (hjl@gnu.org)
3268 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3271 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3273 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3275 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3277 * c-common.c (decl_attributes): Take a pointer to the node to
3278 which attributes are to be attached, and a flags argument.
3279 * c-common.h (enum attribute_flags): New.
3280 (decl_attributes): Update prototype.
3281 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3282 finish_enum, start_function): Update calls to decl_attributes.
3283 * c-parse.in (component_declarator, component_notype_declarator,
3284 label): Update calls to decl_attributes.
3286 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3288 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3289 * config/avr/avr.c (legitimate_address_p): Return value changed
3290 from letter to register classes. For better debugging.
3292 2001-07-13 Kazu Hirata <kazu@hxi.com>
3294 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3296 2001-07-13 H.J. Lu (hjl@gnu.org)
3298 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3300 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3302 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3303 correctly for shared configurations.
3304 * config/t-libgcc-pic: New.
3305 * config/{i386,m68k,sparc}/t-openbsd: New.
3306 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3307 Support -shared. Support debugging libraries with -g.
3308 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3309 frame information does not emit pointer diffs.
3310 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3313 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3315 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3317 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3319 * combine.c (try_combine): Ensure const_int pow2 is positive.
3321 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3323 * config.gcc: Add configuration for s/390.
3324 * config/s390/s390.c: New. Subroutines for code generation.
3325 * config/s390/s390.h: New. Definitions for s/390.
3326 * config/s390/s390-protos.h: New. Prototypes.
3327 * config/s390/linux.h: New. Definitions for linux for s/390.
3328 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3329 * config/s390/t-linux: New. Makefile fragment.
3330 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3331 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3333 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3335 * emit-rtl.c (try_split): Update mark_jump_label call.
3336 * flow.c (find_sub_basic_blocks): Likewise.
3337 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3339 (mark_all_labels): Kill second parameter.
3340 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3341 (rebuild_jump_labels, jump_optimize_minimal): Update call
3343 (jump_optimize_1): Kill crossjumping code.
3344 (mark_jump_label): Kill cross_jump parameter.
3345 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3346 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3347 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3349 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3351 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3352 reorganize passes to do reg-stack first, bb-reorder second.
3353 * invoke.texi (-d letters doc): Remove the jump2 pass.
3355 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3357 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3359 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3361 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3363 (verify_flow_info): Make diagnostics prettier.
3365 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3367 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3369 * flow.c (outgoing_edges_match): Return early if condition reversal
3372 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3374 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3375 (mips_move_2words): When splitting a move into two instructions,
3376 prefix the second address operand with '%D'.
3378 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3380 * Makefile.in (final.o): Depend on debug.h.
3381 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3382 (dbx_debug_hooks): Add new hooks.
3383 (xcoff_debug_hooks): New.
3384 * debug.c (debug_nothing_file_int_int): New.
3385 (do_nothing_debug_hooks): Update.
3386 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3387 (debug_nothing_file_int_int): New.
3388 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3389 static, update prototype.
3390 (dwarf2_debug_hooks): Update.
3391 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3392 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3393 static, update prototype.
3394 (dwarf_debug_hooks): Update.
3395 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3396 * final.c: Include debug.h.
3397 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3398 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3399 static, update prototype.
3400 (sdb_debug_hooks): Update.
3401 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3402 * toplev.c: Distinguish between xcoff and dbx.
3404 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3405 Call all debug hooks, not just dwarf ones.
3407 2001-07-11 Timothy Wall <twall@redhat.com>
3409 * config.gcc: Add configuration for AIX5/IA64.
3410 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3411 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3412 support prefix/suffix code.
3413 * config/ia64/t-aix: New. Makefile fragment.
3414 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3416 2001-07-11 Kazu Hirata <kazu@hxi.com>
3418 * recog.c (validate_change): Fix a comment typo.
3420 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3422 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3423 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3425 * dbxout.c (dbx_debug_hooks): Add new hooks.
3426 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3428 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3430 * dbxout.h (dbxout_start_new_source_file,
3431 dbxout_resume_previous_source_file): Delete.
3432 * debug.c (do_nothing_debug_hooks): Add new hooks.
3433 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3434 (debug_nothing_int_charstar, debug_nothing_int): New.
3435 * debug.h (gcc_debug_hooks): New hooks define, undef,
3436 start_source_file and end_source_file.
3437 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3438 (debug_nothing_int_charstar, debug_nothing_int): New.
3439 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3440 the conditionally compiled section.
3441 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3442 dwarf2out_define, dwarf2out_undef): Make static.
3443 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3444 dwarf2out_define, dwarf2out_undef): Remove.
3445 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3446 (dwarfout_start_source_file, dwarfout_end_source_file,
3447 dwarfout_define, dwarfout_undef): Make static.
3448 (dwarfout_start_source_file_check,
3449 dwarfout_end_source_file_check): New.
3450 (dwarfout_define, dwarfout_finish): Update.
3451 * dwarfout.h (dwarfout_start_new_source_file,
3452 dwarfout_resume_previous_source_file, dwarfout_define,
3453 dwarfout_undef): Remove.
3454 * sdbout.c (sdb_debug_hooks): Add new hooks.
3455 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3457 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3458 make static, take an arg.
3459 * sdbout.h (sdbout_start_new_source_file,
3460 sdbout_resume_previous_source_file): Delete.
3461 * toplev.c (debug_start_source_file, debug_end_source_file,
3462 debug_define, debug_undef): Delete.
3463 * toplev.h (debug_start_source_file, debug_end_source_file,
3464 debug_define, debug_undef): Delete.
3466 * java/jcf-parse.c: Include debug.h.
3467 (parse_class_file): Update to use debug hooks directly.
3468 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3470 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3472 * alias.c (set_mem_alias_set): New function.
3473 * rtl.h (set_mem_alias_set): Declare it.
3474 * builtins.c (expand_builtin_return_addr): Call it instead of
3475 using MEM_ALIAS_SET accessor.
3476 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3477 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3478 (expand_builtin_va_copy):Likewise.
3479 * caller-save.c (setup_save_areas): Likewise.
3480 * calls.c (compute_argument_addresses): Likewise.
3481 * explow.c (set_mem_attributes): Likewise.
3482 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3483 (expand_assignment, store_constructor_field, store_field): Likewise.
3484 (expand_expr_unaligned): Likewise.
3485 * function.c (assign_stack_temp_for_type): Likewise.
3486 (put_reg_into_stack, gen_mem_addressof): Likewise.
3487 * ifcvt.c (noce_try_cmove_arith): Likewise.
3488 * reload1.c (reload, alter_reg): Likewise.
3489 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3490 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3491 (alpha_expand_unaligned_store): Likewise
3492 (alpha_expand_unaligned_load_words): Likewise.
3493 (alpha_expand_unaligned_store_words): Likewise.
3494 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3495 (alpha_expand_epilogue): Likewise.
3496 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3497 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3498 * config/i386/i386.c (legitimize_pic_address): Likewise.
3499 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3500 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3501 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3502 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3503 * config/mips/mips.c (mips_va_arg): Likewise.
3504 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3505 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3506 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3507 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3508 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3509 (rs6000_emit_epilogue): Likewise.
3510 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3511 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3512 * config/v850/v850.c (v850_va_arg): Likewise.
3514 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3516 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3517 when fallthru edge is present.
3518 (mege_blocks): Handle case where creation of jump insn
3521 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3522 CLEANUP_POST_REGSTACK): New constants.
3523 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3524 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3525 * output.h (cleanup_cfg): Update prototype.
3526 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3527 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3528 cleanup_cfg call; kill missleading comment.
3529 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3530 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3531 parameter; control optimizations performed using it.
3532 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3533 try_crossjump_bb): New functions.
3535 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3537 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3539 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3540 pa_output_function_prologue.
3541 * pa-protos.h (pa_output_function_prologue): New prototype.
3543 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3545 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3546 and low to get correct sign extension in low+high test.
3548 2001-07-11 Janis Johnson <janis@us.ibm.com>
3550 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3551 for large hit count.
3553 * profile.c (branch_prob): Fix .bbg info for computed gotos
3556 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3558 * stmt.c (parse_output_constraint): New function, split out
3560 (expand_asm_operands): ... here. Use parse_output_constraint.
3561 * tree.h (parse_output_constraint): Declare it.
3563 2001-07-11 Richard Henderson <rth@redhat.com>
3565 * bitmap.c: Comment some functions; fiddle whitespace.
3566 (bitmap_free): Don't export.
3567 (bitmap_element_allocate): Use memset.
3568 * bitmap.h (bitmap_free): Don't declare.
3570 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3572 * gcse.c, lcm.c, sched-deps.c:
3573 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3575 * flow.c (flow_loops_find): Free dom if we found no loops, since
3576 we aren't going to save it.
3578 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3581 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3583 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3585 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3587 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3588 #ifndef DWARF2_DEBUGGING_INFO.
3590 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3592 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3594 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3596 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3597 reverse a branch if a NE comparison is implemented with GTU.
3599 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3600 H.J. Lu <hjl@gnu.org>
3602 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3604 (call_internal2): Likewise.
3605 (call_value_internal1): Likewise.
3606 (call_value_internal2): Likewise.
3607 (call_value_multiple_internal1): Likewise.
3608 (call_value_multiple_internal2): Likewise.
3610 2001-07-10 Kazu Hirata <kazu@hxi.com>
3612 * calls.c (emit_library_call_value_1): Fix a comment typo.
3613 * dwarf2out.c (mem_loc_descriptor): Likewise.
3614 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3616 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3618 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3620 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3622 * recog.c (offsettable_address_p): Handle LO_SUM case.
3623 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3624 instead of plus_constant.
3626 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3628 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3629 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3631 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3633 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3634 adjust_address_nv instead of plus_constant.
3636 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3638 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3639 dwarf2out.o): Depend on debug.h, wrap long lines.
3640 * dbxout.c: Include debug.h.
3641 (dbx_debug_hooks): New.
3642 (dbxout_init): Make static, take just 2 args.
3643 (dbxout_finish): Make static.
3644 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3645 * debug.c: New file.
3646 * debug.h: New file.
3647 * dwarf2out.c: Include debug.h.
3648 (dwarf2_debug_hooks): New.
3649 (dwarf2out_init): Make static.
3650 (dwarf2out_finish): Make static, take 2 args.
3651 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3652 * dwarfout.c: Include debug.h.
3653 (dwarf_debug_hooks): New.
3654 (dwarfout_init): Make static.
3655 (dwarfout_finish): Make static, take 2 args.
3656 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3657 * sdbout.c: Include debug.h.
3658 (sdb_debug_hooks): New.
3659 (sdbout_init): Make static, take 2 args.
3660 * sdbout.h (sdbout_init): Delete.
3661 * toplev.c: Include debug.h.
3663 (compile_file): Set deubg_hooks based on command line options.
3664 Use the hooks unconditionally rather than conditional compilation.
3666 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3668 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3669 first_insn_after_basic_block_note instead.
3671 * df.c (df_bb_refs_unlink): #if 0 out for now.
3673 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3675 * ssa.h: Add prototype for ssa_const_prop
3676 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3677 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3678 (ssa_fast_dce): Remove unused variable
3680 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3682 * diagnostic.c (finish_diagnostic): Rename to
3683 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3686 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3688 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3691 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3692 (dump_file): Only pad the demangled name with spaces if the
3693 mangled name was padded with spaces.
3695 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3697 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3700 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3702 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3703 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3706 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3707 whether can put offset inside LO_SUM to check mode alignment, not size.
3709 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3711 * doc/tm.texi (Misc): Fix thinko.
3713 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3715 * regmove.c (replace_in_call_usage): Fix warnings.
3716 * sched-deps.c (add_dependence): Fix warnings.
3717 * simplify-rtx.c (simplify_subreg): Likewise.
3718 Return NULL_RTX instead of NULL.
3720 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3721 (subst_asm_stack_regs): Likewise.
3723 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3726 * dwarf2out.c (output_call_frame_info): Declare i as int.
3727 (build_abbrev_table): Declare n_alloc as int.
3728 (dwarf2out_finish): Initialize die.
3729 * except.c: Declare sjlj_funcdef_number as unsigned.
3730 (connect_post_landing_pads): Declare j as unsigned.
3731 (convert_to_eh_region_ranges): Initialize call_site.
3732 (output_function_exception_table): Initialize tt_format_size.
3733 * expr.c (move_by_pieces_1): Initialize to1.
3734 (store_constructor): Initialize minelt and maxelt.
3735 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3736 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3738 * c-decl.c (combine_parm_decls): Unused, remove.
3739 * c-tree.h: Remove prototype for combine_parm_decls.
3741 * reload.c (push_reload): Fix warning.
3742 (regno_clobbered_p): Likewise.
3743 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3744 (reload_combine): Likewise.
3746 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3747 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3749 * bitmap.c (bitmap_operation): Change user.
3750 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3752 2001-07-10 Eric Christopher <echristo@redhat.com>
3754 * config/mips/mips.c (override_options): Fix typo.
3756 2001-07-09 Stan Shebs <shebs@apple.com>
3758 * target.h (struct gcc_target): New fields init_builtins and
3760 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3761 (TARGET_EXPAND_BUILTIN): New macro.
3762 (TARGET_INITIALIZER): Add them.
3763 * builtins.c: Include target.h.
3764 (expand_builtin): Use targetm.expand_builtin.
3765 (default_init_builtins): New function.
3766 (default_expand_builtin): New function.
3767 * expr.h (default_init_builtins): Declare.
3768 (default_expand_builtin): Declare.
3769 * c-common.c (c_common_nodes_and_builtins): Use
3770 targetm.init_builtins.
3771 * defaults.h (MD_INIT_BUILTINS): Remove.
3772 * Makefile.in (builtins.o): Depend on target.h.
3774 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3775 (TARGET_EXPAND_BUILTIN): Define.
3776 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3777 (MD_EXPAND_BUILTIN): Remove.
3779 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3780 (TARGET_EXPAND_BUILTIN): Define.
3781 (c4x_init_builtins): Make endlink arg a local.
3782 (c4x_print_operand): Fix typos in adjust_address usages.
3783 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3784 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3785 (MD_EXPAND_BUILTIN): Remove.
3787 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3788 (TARGET_EXPAND_BUILTIN): Define.
3789 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3790 (ix86_init_builtins): Call new function only if TARGET_MMX.
3791 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3792 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3793 (MD_EXPAND_BUILTIN): Remove.
3795 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3796 (TARGET_EXPAND_BUILTIN): Define.
3797 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3798 (MD_EXPAND_BUILTIN): Remove.
3800 * doc/tm.texi: Document these changes.
3802 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3804 * basic-block.h (tree_node): Forward declare if needed.
3805 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3806 (BLOCK_HEAD_TREE): Define.
3807 (BLOCK_END_TREE): Define.
3808 (struct loops): Rename field 'tree' to 'tree_root'.
3809 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3811 (flow_loops_tree_build): Rename reference to field 'tree' to
3813 (flow_loops_level_compute): Ditto.
3814 * predict.c (estimate_bb_frequencies): Ditto.
3815 * tree.h (struct tree_common): Add field 'aux'.
3817 2001-07-09 Stan Shebs <shebs@apple.com>
3819 * config/darwin.c (darwin_encode_section_info): Don't mark any
3820 DECL_EXTERNAL node as defined.
3822 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3824 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3825 pa_free_machine_status, hppa_init_pic_save): Delete.
3826 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3827 (hppa_profile_hook): Use hppa_pic_save_rtx.
3828 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3829 hppa_init_pic_save): Delete.
3830 (hppa_pic_save_rtx): Declare.
3831 * pa.md (call, call_value, sibcall, sibcall_value,
3832 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3834 2001-07-09 Kazu Hirata <kazu@hxi.com>
3836 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3837 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3839 2001-07-09 Andreas Jaeger <aj@suse.de>
3841 * output.h: Add declaration of final_forward_branch_p.
3843 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3845 * varray.c: Include errors.h for internal_error and trim_filename
3848 * Makefile.in (varray.o): Add errors.h.
3850 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3852 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3853 * optabs.c (have_add2_insn): Check whether the add insn chosen
3854 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3855 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3857 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3859 * Makefile.in (OBJS): Add ssa-ccp.o
3860 (ssa-ccp.o): Add dependencies.
3861 * toplev.c (DFI_ssa_ccp): New dump file enum.
3862 (dump_file): Add entry for dumping after SSA CCP.
3863 (flag_ssa_ccp): New flag variable.
3864 (f_options): Add -fssa-ccp.
3865 (rest_of_compilation): Run SSA CCP if requested.
3866 * timevar.def (TV_SSA_CCP): New timevar.
3867 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3868 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3869 Fix minor typo in SSA DCE documentation.
3870 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3871 Add documentation for new dump option. Renumber dump files
3874 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3876 * emit-rtl.c (gen_highpart_mode): New.
3877 * rtl.h (gen_highpart_mode): Declare.
3878 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3879 operand can be VOIDmode constant.
3881 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3883 * flow.c (redirect_edge_and_branch_force): New.
3884 (can_fallthru): Ensure that basic blocks are succeeding.
3885 (try_optimize_cfg): Do not delete basic block if it is the last one.
3887 * flow.c (try_redirect_by_replacing_jump): Do not remove
3888 jumps with side effects, unlink chain on fallthru edge;
3889 set block for new jump instruction; avoid basic block to
3890 over by line number note.
3892 * flow.c (try_simplify_condjump): Verify that the condjump
3893 is not always falling trought.
3896 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3898 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3899 (try_redirect_by_replacing_jump): Update properly the count
3900 and frequency information.
3902 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3904 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3905 address that is a LO_SUM specially.
3906 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3908 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3910 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3911 (operand_subword): Use them.
3912 (change_address_1): Renamed from change_address; new arg VALIDATE.
3913 * expr.h: Reflect above changes; change_address now macro.
3914 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3916 * cselib.c (add_mem_for_addr): Likewise.
3917 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3918 * regmove.c (try_apply_stack_adjustment): Likewise.
3919 * reload.c (push_reload, make_memloc): Likewise.
3920 * reload1.c (eliminate_regs): Likewise.
3921 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3922 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3924 * combine.c (make_extraction, simplify_shift_const): Likewise.
3925 (gen_lowpart_for_combine): Likewise.
3926 * cse.c (gen_lowpart_if_possible): Likewise.
3927 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3928 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3929 * optabs.c (gen_move_insn): Likewise.
3930 * reload1.c (alter_reg): Likewise.
3931 * simplify-rtx.c (simplify_subreg): Likewise.
3932 * stmt.c (expand_anon_union_decl): Likewise.
3933 * recog.c (validate_replace_rtx_1): Likewise.
3935 * Makefile.in (recog.o): Add $(EXPR_H).
3936 * explow.c (stabilize): Call replace_equiv_address.
3937 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3938 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3940 2001-07-03 Andrew Haley <aph@redhat.com>
3942 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3943 the mode of the memory location.
3945 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3947 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3949 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3951 * final.c (output_addr_const): Use target opening and
3952 closing parentheses.
3953 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3954 defaults, add to TARGET_ASM_OUT.
3955 * target.h (struct gcc_target): Add open_paren and close_paren.
3956 * doc/md.texi: Update.
3957 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3958 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3959 TARGET_ASM_CLOSE_PAREN.
3960 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3962 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3964 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3965 * config/a29k/a29k.h: Similarly.
3966 * config/alpha/alpha.h: Similarly.
3967 * config/arc/arc.h: Similarly.
3968 * config/arm/aof.h: Similarly.
3969 * config/arm/aout.h: Similarly.
3970 * config/avr/avr.h: Similarly.
3971 * config/c4x/c4x.h: Similarly.
3972 * config/clipper/clipper.h: Similarly.
3973 * config/convex/convex.h: Similarly.
3974 * config/d30v/d30v.h: Similarly.
3975 * config/dsp16xx/dsp16xx.h: Similarly.
3976 * config/elxsi/elxsi.h: Similarly.
3977 * config/fr30/fr30.h: Similarly.
3978 * config/h8300/h8300.h: Similarly.
3979 * config/i370/i370.h: Similarly.
3980 * config/i386/i386.h: Similarly.
3981 * config/i860/i860.h: Similarly.
3982 * config/i960/i960.h: Similarly.
3983 * config/ia64/ia64.h: Similarly.
3984 * config/m32r/m32r.h: Similarly.
3985 * config/m68hc11/m68hc11.h: Similarly.
3986 * config/m68k/m68k.h: Similarly.
3987 * config/m88k/m88k.h: Similarly.
3988 * config/mcore/mcore.h: Similarly.
3989 * config/mips/mips.h: Similarly.
3990 * config/mn10200/mn10200.h: Similarly.
3991 * config/mn10300/mn10300.h: Similarly.
3992 * config/ns32k/ns32k.h: Similarly.
3993 * config/pa/pa.h: Similarly.
3994 * config/pdp11/pdp11.h: Similarly.
3995 * config/pj/pj.h: Similarly.
3996 * config/romp/romp.h: Similarly.
3997 * config/rs6000/rs6000.h: Similarly.
3998 * config/sh/sh.h: Similarly.
3999 * config/sparc/sparc.h: Similarly.
4000 * config/v850/v850.h: Similarly.
4001 * config/vax/vax.h: Similarly.
4002 * config/we32k/we32k.h: Similarly.
4004 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4006 * doc/c-tree.texi: Document representation of attributes.
4008 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4010 * doc/tm.texi: Update some places for the rename of target to
4013 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4015 * target.h (struct gcc_target): Add insert_attributes.
4016 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4017 (TARGET_INITIALIZER): Update.
4018 * tree.c, tree.h (default_insert_attributes): New function.
4019 Update comments on other default functions to refer to targetm,
4021 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4022 TARGET_INSERT_ATTRIBUTES.
4023 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4024 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4025 Don't use PRAGMA_INSERT_ATTRIBUTES.
4026 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4027 * c-decl.c (start_decl, start_function): Don't call
4028 SET_DEFAULT_DECL_ATTRIBUTES.
4029 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4030 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4032 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4033 (c4x_check_attribute): Avoid modifying attribute list itself.
4034 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4036 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4037 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4039 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4040 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4042 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4043 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4045 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4046 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4047 Adjust parameters. Make static.
4049 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4051 * c-common.c (decl_attributes): Only take a single attributes
4053 * c-common.h (decl_attributes): Update prototype.
4054 * c-decl.c (start_decl, start_function): Only take a single
4055 attributes parameter. Update calls to decl_attributes.
4056 (finish_struct, finish_enum): Update calls to decl_attributes.
4057 (push_parm_decl): Expect unified list of attributes. Update call
4059 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4060 notype_nested_function, component_declarator,
4061 component_notype_declarator, label): Update calls to
4063 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4064 lists that are passed to push_parm_decl.
4065 * c-tree.h (start_function, start_decl): Update prototypes.
4066 * config/sh/sh-protos.h, config/sh/sh.c
4067 (sh_pragma_insert_attributes): Only take a single attributes
4069 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4070 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4071 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4072 build_module_descriptor, generate_static_references,
4073 generate_strings, build_selector_translation_table,
4074 generate_descriptor_table, generate_protocols,
4075 generate_ivars_list, generate_dispatch_table,
4076 generate_protocol_list, generate_category,
4077 generate_shared_structures, really_start_method, add_objc_decls,
4078 generate_classref_translation_entry): Update calls to start_decl
4080 (build_tmp_function_decl, start_method_def): Unify attribute lists
4081 that are passed to push_parm_decl.
4083 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4085 * final.c (no_asm_to_stream): New.
4086 (final_scan_insn): Use target structures for prologue ends
4087 and epilogue starts.
4088 * output.h (no_asm_to_stream): New.
4089 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4090 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4091 (TARGET_ASM_OUT): Update.
4092 * target.h (struct gcc_target): New members function_end_prologue
4093 and function_begin_epilogue.
4094 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4095 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4096 * config/alpha/alpha.c (output_end_prologue): Rename to
4097 alpha_output_function_end_prologue. Use in target struct
4099 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4100 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4101 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4102 ia64_output_function_end_prologue. Use in target struct
4104 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4105 mistyped prototypes.
4106 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4107 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4109 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4110 an use in target struct, make static.
4111 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4114 2001-07-08 Richard Henderson <rth@redhat.com>
4116 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4118 2001-07-08 Richard Henderson <rth@redhat.com>
4120 * config/i386/i386.md: Remove constraints strings from define_split
4121 and define_peephole2 patterns.
4122 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4123 (eh_return): Use them.
4125 2001-07-08 Richard Henderson <rth@redhat.com>
4127 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4128 Document MD_FALLBACK_FRAME_STATE_FOR.
4130 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4132 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4133 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4135 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4137 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4139 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4140 of the label inside NAME as opposed to just the end of NAME.
4142 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4144 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4145 * config/alpha/alpha.c (alpha_init_machine_status,
4146 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4147 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4148 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4149 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4151 2001-07-06 Stan Shebs <shebs@apple.com>
4153 * target.h (targetm): Rename global from "target", so as not to
4154 conflict with local variables.
4156 * c-typeck.c: Ditto.
4160 * cp/decl2.c: Ditto.
4161 * cp/typeck.c: Ditto.
4162 * 1750a/1750a.c: Ditto.
4163 * a29k/a29k.c: Ditto.
4167 * clipper/clipper.c: Ditto.
4168 * convex/convex.c: Ditto.
4169 * d30v/d30v.c: Ditto.
4170 * dsp16xx/dsp16xx.c: Ditto.
4171 * elxsi/elxsi.c: Ditto.
4172 * fr30/fr30.c: Ditto.
4173 * h8300/h8300.c: Ditto.
4174 * i370/i370.c: Ditto.
4175 * i386/i386.c: Ditto.
4176 * i860/i860.c: Ditto.
4177 * i960/i960.c: Ditto.
4178 * ia64/ia64.c: Ditto.
4179 * m32r/m32r.c: Ditto.
4180 * m68hc11/m68hc11.c: Ditto.
4181 * m68k/m68k.c: Ditto.
4182 * m88k/m88k.c: Ditto.
4183 * mips/mips.c: Ditto.
4184 * ns32k/ns32k.c: Ditto.
4186 * pdp11/pdp11.c: Ditto.
4187 * romp/romp.c: Ditto.
4188 * rs6000/rs6000.c: Ditto.
4190 * sparc/sparc.c: Ditto.
4192 * we32k/we32k.c: Ditto.
4193 * doc/tm.texi: Update the manual to match.
4195 2001-07-06 Richard Henderson <rth@redhat.com>
4197 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4198 DWARF2_UNWIND_INFO not just whether it is defined.
4200 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4202 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4203 call to simplify_binary_operation returns a new pattern.
4205 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4207 * glimits.h (__SHRT_MAX__): New.
4208 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4209 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4211 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4213 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4216 2001-07-06 Richard Henderson <rth@redhat.com>
4218 * bitmap.c (bitmap_release_memory): Move adjacent to the
4219 allocation functions.
4220 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4221 the implementation. Binary search for the set bit.
4222 (bitmap_union_of_diff): Allocate the temporary on the stack
4223 instead of using xmalloc.
4225 2001-07-06 Richard Henderson <rth@redhat.com>
4227 * genrecog.c (validate_pattern): Warn for constraints in
4228 define_{expand,split,peephole2}. Remove strict_low_part
4229 before looking up match_dup.
4231 2001-07-06 DJ Delorie <dj@redhat.com>
4233 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4234 chapter about various build hints and history. Add section
4235 talking about the various types of native and cross builds.
4237 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4239 * Makefile.in (final.o): Depend on target.h.
4240 * final.c: Include target.h.
4241 (default_function_pro_epilogue): New.
4242 (final_start_function): Use target structure for function prologues.
4243 (final_end_function): Use target structure for function epilogues.
4244 * fold-const.c (real_hex_to_f): Constify s and p.
4245 * output.h (default_function_pro_epilogue): New.
4246 * real.h (real_hex_to_f): Update prototype.
4247 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4248 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4249 (TARGET_INITIALIZER): Update.
4250 * target.h (gcc_target): Add struct asm_out.
4251 * doc/tm.texi: Update.
4254 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4255 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4256 in cpu/cpu.c, or rename old functions consistently. Take
4257 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4258 redundant macros and prototypes. Make new functions static.
4260 * 1750a/1750a.c: Similarly.
4261 * 1750a/1750a.h: Similarly.
4262 * a29k/a29k-protos.h: Similarly.
4263 * a29k/a29k.c: Similarly.
4264 * a29k/a29k.h: Similarly.
4265 * arc/arc-protos.h: Similarly.
4266 * arc/arc.c: Similarly.
4267 * arc/arc.h: Similarly.
4268 * arm/arm-protos.h: Similarly.
4269 * arm/arm.c: Similarly.
4270 * arm/arm.h: Similarly.
4271 * avr/avr-protos.h: Similarly.
4272 * avr/avr.c: Similarly.
4273 * avr/avr.h: Similarly.
4274 * clipper/clipper-protos.h: Similarly.
4275 * clipper/clipper.c: Similarly.
4276 * clipper/clipper.h: Similarly.
4277 * convex/convex.c: Similarly.
4278 * convex/convex.h: Similarly.
4279 * d30v/d30v-protos.h: Similarly.
4280 * d30v/d30v.c: Similarly.
4281 * d30v/d30v.h: Similarly.
4282 * d30v/d30v.md: Similarly.
4283 * dsp16xx/dsp16xx-protos.h: Similarly.
4284 * dsp16xx/dsp16xx.c: Similarly.
4285 * dsp16xx/dsp16xx.h: Similarly.
4286 * elxsi/elxsi.c: Similarly.
4287 * elxsi/elxsi.h: Similarly.
4288 * fr30/fr30.c: Similarly.
4289 * fr30/fr30.md: Similarly.
4290 * h8300/h8300-protos.h: Similarly.
4291 * h8300/h8300.c: Similarly.
4292 * h8300/h8300.h: Similarly.
4293 * i370/i370-protos.h: Similarly.
4294 * i370/i370.c: Similarly.
4295 * i370/i370.h: Similarly.
4296 * i386/i386.c: Similarly.
4297 * i386/osf1elf.h: Similarly.
4298 * i386/osfrose.h: Similarly.
4299 * i860/i860-protos.h: Similarly.
4300 * i860/i860.c: Similarly.
4301 * i860/i860.h: Similarly.
4302 * i960/i960-protos.h: Similarly.
4303 * i960/i960.c: Similarly.
4304 * i960/i960.h: Similarly.
4305 * ia64/ia64-protos.h: Similarly.
4306 * ia64/ia64.c: Similarly.
4307 * ia64/ia64.h: Similarly.
4308 * m32r/m32r-protos.h: Similarly.
4309 * m32r/m32r.c: Similarly.
4310 * m32r/m32r.h: Similarly.
4311 * m68hc11/m68hc11-protos.h: Similarly.
4312 * m68hc11/m68hc11.c: Similarly.
4313 * m68hc11/m68hc11.h: Similarly.
4314 * m68k/crds.h: Similarly.
4315 * m68k/dpx2.h: Similarly.
4316 * m68k/m68k-protos.h: Similarly.
4317 * m68k/m68k.c: Similarly.
4318 * m68k/m68k.h: Similarly.
4319 * m68k/news.h: Similarly.
4320 * m88k/m88k-protos.h: Similarly.
4321 * m88k/m88k.c: Similarly.
4322 * m88k/m88k.h: Similarly.
4323 * mips/mips-protos.h: Similarly.
4324 * mips/mips.c: Similarly.
4325 * mips/mips.h: Similarly.
4326 * ns32k/merlin.h: Similarly.
4327 * ns32k/ns32k.c: Similarly.
4328 * ns32k/ns32k.h: Similarly.
4329 * ns32k/tek6000.h: Similarly.
4330 * pa/pa-protos.h: Similarly.
4331 * pa/pa.c: Similarly.
4332 * pa/pa.h: Similarly.
4333 * pdp11/2bsd.h: Similarly.
4334 * pdp11/pdp11-protos.h: Similarly.
4335 * pdp11/pdp11.c: Similarly.
4336 * pdp11/pdp11.h: Similarly.
4337 * romp/romp-protos.h: Similarly.
4338 * romp/romp.c: Similarly.
4339 * romp/romp.h: Similarly.
4340 * rs6000/rs6000-protos.h: Similarly.
4341 * rs6000/rs6000.c: Similarly.
4342 * rs6000/rs6000.h: Similarly.
4343 * rs6000/sysv4.h: Similarly.
4344 * sh/sh-protos.h: Similarly.
4345 * sh/sh.c: Similarly.
4346 * sh/sh.h: Similarly.
4347 * sparc/sparc-protos.h: Similarly.
4348 * sparc/sparc.c: Similarly.
4349 * sparc/sparc.h: Similarly.
4350 * vax/vax.c: Similarly.
4351 * vax/vax.h: Similarly.
4352 * vax/vms.h: Similarly.
4353 * we32k/we32k.c: Similarly.
4354 * we32k/we32k.h: Similarly.
4356 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4358 * basic-block.h (first_insn_after_basic_block_note): Declare.
4359 * flow.c (first_insn_after_basic_block_note): Define. Moved
4361 * ssa.c (first_insn_after_basic_block_note): Remove.
4362 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4364 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4365 nodes when we find a dead conditional branch. Insert BARRIERs
4366 after any blocks with no successors, but which do not have
4369 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4371 * varray.c (varray_check_failed): Use internal_error.
4373 2001-07-05 Andrew Haley <aph@redhat.com>
4375 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4376 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4377 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4379 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4381 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4382 reference if the target constant is also a SYMBOL_REF.
4384 2001-07-05 Eric Christopher <echristo@redhat.com>
4386 * config/mips/mips.h (MASK_MIPS3900): Remove.
4387 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4388 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4389 (TARGET_MIPS3900): Change to use mips_arch.
4390 (TARGET_MIPS4000): New.
4391 (TARGET_MIPS4100): New.
4392 (TARGET_MIPS4300): New.
4393 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4394 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4396 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4397 (ISA_HAS_BRANCHLIKELY): To here.
4398 (CC1_CPU_SPEC): New.
4399 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4400 (mips_arch_string): Declare.
4401 (mips_arch): Declare.
4402 (TARGET_OPTIONS): Add -march and -mtune.
4404 * config/mips/mips.c (mips_arch_string): New.
4406 (override_options): Handle -march for codegen and -mtune
4407 for scheduling. Use mips_arch. Move tx39 target default here.
4408 (mips_parse_cpu): Move error message to override_options.
4410 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4412 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4414 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4415 (MIPS Options): Ditto. Change mcpu entry to historical text.
4417 2001-07-05 H.J. Lu (hjl@gnu.org)
4419 * config/mips/mips.c (mips_parse_cpu): New function to parse
4422 2001-07-05 Jim Wilson <wilson@redhat.com>
4424 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4425 * config/ia64/t-ia64: Likewise.
4426 (LIB1ASMFUNCS): Update comment.
4428 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4430 * doc/install.texi (Install GCC: Binaries): Fix typo.
4432 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4434 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4435 reference using the stack pointer, adjust it since we push Y
4437 ("*ashrsi3"): Likewise.
4438 ("*lshrsi3"): Likewise.
4440 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4442 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4443 when -fomit-frame-pointer is used.
4445 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4447 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4448 (try_redirect_by_replacing_jump): Reverse updating properly the
4449 count and frequency information. Reverse removing cc0 setter.
4450 (forwarder_block_p): Reverse fixing for fallthru blocks.
4452 2001-07-05 DJ Delorie <dj@redhat.com>
4454 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4455 (translate_options): If the above is defined, use it to map
4456 given options to new options.
4457 * doc/tm.texi: Document it.
4459 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4460 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4462 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4463 cause programs using computed gotos to run more slowly.
4465 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4467 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4469 Consistently require binutils 2.11.2, not prereleases.
4470 (Specific, decstation-*): Canonicalize as mips-dec-*.
4471 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4473 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4474 (Specific, mips-*): Reword MIPS C compiler requirements.
4475 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4476 (Specific, sunv5): Removed, obsolete.
4478 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4480 * dwarf2out.c (output_loc_list): Use an all ones mask for
4481 .text asm output and don't rely on long long
4482 literals. Reformat some long lines.
4484 2001-07-05 Andreas Jaeger <aj@suse.de>
4486 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4489 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4491 * dwarf2out.c (dwarf2out_define): Update comment.
4492 (dwarf2out_undef): Ditto.
4493 (dwarf2out_start_source_file): Ditto.
4494 (dwarf2out_end_source_file): Ditto.
4495 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4496 since we never call the start/end debug hook for the primary file.
4498 2001-07-04 Kazu Hirata <kazu@hxi.com>
4500 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4503 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4505 * cppinit.c (remove_dup_dirs): Inform if a system include
4506 directory is being reordered.
4507 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4509 * doc/cpp.texi (Search Paths): Likewise.
4510 * doc/gcc.texi (Interoperation): Remove information about
4513 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4515 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4516 (VARRAY_TOP_CHAR_PTR): Likewise.
4518 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4520 * gcc.c (process_command): Don't assign elements of a const char*.
4522 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4524 * emit-rtl.c (change_address): Don't abort if invalid address while
4525 reload is in progress.
4527 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4529 * c-lex.c (cb_file_change): Pass line number to
4530 debug_start_source_file.
4531 (cb_undefine): Pass correct line number to debug_undef.
4533 * toplev.c (debug_start_source_file): Add line number to
4534 parameters. Pass it along to dwarf2out_start_source_file.
4535 (decode_g_option): Stop resetting debug level back to normal when
4536 we change debug formats, unless the current level is
4537 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4540 * toplev.h (debug_start_source_file): Add line number to
4543 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4546 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4548 Output debug_macinfo data for starting file if requested.
4549 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4551 (dwarf2out_define): Output debug_macinfo data for defining a macro
4553 (dwarf2out_undef): Output debug_macinfo data for undefining a
4555 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4556 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4557 (macinfo_section_label): New. DWARF2 macro info section label.
4558 (dwarf2out_init): If we want macro info, output the start label
4560 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4561 attribute to the compilation unit die pointing to the macro info.
4563 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4565 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4566 DWARF2_DEBUGGING_INFO.
4567 (add_loc_descr_to_loc_list): Ditto.
4568 (output_loc_list): Ditto.
4569 Also, fix thinko in curr not being initialized.
4570 (gen_internal_sym): Ditto.
4572 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4574 * emit-rtl.c (replace_equiv_address): New function.
4575 * expr.h (replace_equiv_address): New declaration.
4576 * explow.c (validize_mem): Call it instead of change_address and
4577 also call if -fforce-addr and address is constant.
4578 * expr.c: Replace more calls to change_address with adjust_address
4579 and/or replace_equiv_address or to validize_mem.
4580 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4581 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4582 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4583 * config/i370/i370.md, config/i860/i860.md: Likewise.
4584 * config/i960/i960.md, config/mips/mips.c: Likewise.
4585 * config/mips/mips.md, config/pa/pa.md: Likewise.
4586 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4587 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4589 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4591 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4593 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4596 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4598 * doc/include: New directory.
4599 * doc/fdl.texi: Move to doc/include/fdl.texi.
4600 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4601 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4602 * doc/gcc.texi: Use funding.texi and gpl.texi.
4603 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4604 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4605 Update dependencies and use -I $(docdir)/include.
4607 2001-07-04 Anthony Green <green@redhat.com>
4609 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4611 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4613 * doc/install.texi (sparc64-*-*): Remove garbage.
4615 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4617 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4618 Fix typo in last change to use adjust_address.
4620 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4622 * doc/install.texi (Specific): Update information for *-*-solaris*.
4624 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4626 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4628 2001-07-03 Stan Shebs <shebs@apple.com>
4630 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4631 case for flag_no_mach_text_sections.
4632 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4633 * config/darwin.c (flag_no_mach_text_sections): Remove.
4634 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4636 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4638 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4639 and avoid checking for constant as first operand.
4640 * recog.c (find_constant_term_loc): No longer static.
4641 (adj_offettable_operand): Delete.
4642 * rtl.h (adj_offsettable_operand): Delete declaration.
4643 (find_constant_term): Add declaration.
4644 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4646 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4647 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4648 * config/i386/i386.c, config/i386/i386.md: Likewise.
4649 * config/i860/i860.c, config/i960/i960.c: Likewise.
4650 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4651 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4652 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4653 * config/mips/mips.c, config/mips/mips.md: Likewise.
4654 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4655 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4656 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4657 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4658 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4659 * config/ns32k/ns32k.md: Likewise.
4661 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4663 * rtl.c (copy_rtx): Handle 'T' format letter.
4664 * gensupport.c (collect_insn_data): Likewise.
4665 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4667 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4669 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4670 -B option. Use 'dir' not 'foo' as example directory name.
4672 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4674 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4675 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4677 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4679 * doc/cppinternals.texi: Improve formatting and logical markup.
4681 2001-07-03 Andreas Jaeger <aj@suse.de>
4683 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4685 * genrecog.c (write_header): Include reload.h for prototypes in
4688 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4691 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4692 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4693 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4694 i386_pe_valid_type_attribute_p): Add.
4695 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4696 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4698 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4700 * explow.c (plus_constant_wide, case LO_SUM): New case.
4701 (plus_constant_for_output_wide): Delete.
4702 * rtl.h (plus_constant_for_output): Delete.
4703 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4704 instead of plus_constant_for_output.
4705 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4706 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4707 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4708 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4709 * config/sparc/sparc.md: Likewise.
4710 Convert some change_address calls to adjust_address.
4712 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4714 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4715 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4716 documentation of -std and -Wwrite-strings.
4718 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4720 * cse.c (canon_hash): Don't register registers in very small
4721 register classes, as extending their lifetime might cause
4724 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4726 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4728 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4729 (try_redirect_by_replacing_jump): Update properly the count
4730 and frequency information.
4732 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4734 * toplev.c (dump_file_index): Move SSA dumps just after first
4736 (dump_file): Corresponding changes.
4737 (rest_of_compilation): Move SSA path to just after the first
4739 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4740 * doc/invoke.texi: Update dump file #s as they were completely
4741 out of date with reality.
4743 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4745 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4747 * expr.c (emit_move_insn_1): Deal with non-default
4750 * expr.c (emit_single_push_insn): Fix warning.
4752 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4754 * expr.c (emit_move_insn_1): Avoid modifying
4755 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4757 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4759 * emit-rtl.c (adjust_address): New function.
4760 * expr.h (adjust_address): Add declaration.
4761 * builtins.c: Replace some calls to change_address with calls to it
4763 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4764 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4765 * config/arm/arm.c, config/convex/convex.c: Likewise.
4766 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4767 * config/i386/i386.c, config/i386/i386.md: Likewise.
4768 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4769 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4770 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4771 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4772 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4774 2001-07-02 Jim Wilson <wilson@redhat.com>
4776 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4778 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4780 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4781 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4783 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4785 * cppinit.c (lang_defaults): New table.
4786 (set_lang): Just read from lang_defaults into the live options
4789 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4791 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4792 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4793 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4795 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4797 * doc/install.texi: Various spelling and markup fixes.
4798 (Installing GCC): Component specific installation instructions are
4801 Warn about removing old install dir in the presence of shared libs.
4802 (Configuration): Invoke with options target to match configure
4804 Consistently refer to gas, gld pathnames.
4805 Invert --enable-multilib documentation.
4806 Remove references to old compiler versions.
4808 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4810 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4812 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4814 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4816 (Specific, mips*-sgi-irix5): Note IDO download.
4817 Reworded MIPS C hints.
4818 Use GNU as instead of GAS.
4820 Removed SGI Freeware reference, IRIX 6 only.
4821 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4822 Note N64 library requirement/workaround.
4824 Complete list of structure passing bug victims.
4826 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4828 * doc/install.texi: Remove CVS Id.
4830 2001-07-02 Andreas Jaeger <aj@suse.de>
4832 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4833 (find_inherently_necessary): Remove unused variable.
4835 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4837 * c-common.h (TDI_inlined): New ast dump phase.
4838 (dump_flag_name): New function.
4839 * c-dump.c (dump_files): Add inlined phase.
4840 (dump_flag_name): Define.
4841 * doc/invoke.texi (-fdump-ast-inlined): Document.
4843 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4845 * stor-layout.c (layout_decl): Revert change to handling of alignment
4848 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4850 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4853 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4855 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4858 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4860 * tlink.c (recompile_files): Remove COMPILER_PATH and
4861 LIBRARY_PATH from the environment.
4863 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4865 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4866 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4868 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4870 * c-parse.in (OBJC_STRING): Kill.
4871 (objc_string): Decompose to [objc_string] '@' STRING.
4872 (reswords): Take the leading '@' off all the Objective C keywords.
4873 (objc_rid_sans_at): Kill.
4874 (init_reswords): Don't initialize it.
4875 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4876 (_yylex): Kill reconsider label. Look ahead one token after
4877 an '@'; if we get an identifier, check whether it's an
4878 Objective C @-keyword. If so, return the keyword. Otherwise,
4879 put back the token and return the '@' as a terminal.
4881 * cpplib.c (lex_macro_node): Remove unnecessary check for
4882 leading '@' on identifier. Clarify control flow and commentary.
4884 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4886 * cse.c (new_label_ref): Variable deleted.
4887 (insert): Remove set of new_label_ref.
4888 (check_for_label_ref): New function.
4889 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4891 See ChangeLog.5 for earlier changes.