1 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4 and TARGET_ASM_CLOSE_PAREN.
5 (regclass_map): CC register belongs to class NO_REGS.
6 (legitimize_pic_address): Don't generate unnecessary moves
7 (to avoid confusing loop optimization).
8 (check_and_change_labels): Replace jump_long by indirect_jump.
9 (s390_final_chunkify): Don't start a new literal pool on section
10 switch in 64-bit code.
11 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
13 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
14 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
15 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
17 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
18 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
19 (CONST_COSTS): Fixed incorrect costs.
21 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
22 Use emit_jump instead of emit_jump_insn (gen_jump).
23 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
24 (to avoid confusing flow analysis).
25 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
26 (casesi, casesi_jump): New.
27 (jump_long): Removed. Functionality merged into indirect_jump.
28 (indirect_jump): Accept address_operand, not just register_operand.
29 (cjump_long, icjump_long): Use same logic as indirect_jump.
30 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
31 Fixed broken setjmp/longjmp handling.
32 (do_builtin_setjmp_setup): Removed.
34 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
35 broken GNU as versions that don't accept .quad with large
36 negative values. Use hexadecimal output instead.
37 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
38 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
39 FUNCTION_EPILOGUE): Removed. Now in targetm.
41 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
43 * config/s390/fixdfdi.h: Add missing copyright statement.
44 Fix type conflicts on 64-bit. Add missing SFmode routines.
46 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
49 2001-08-11 Richard Henderson <rth@redhat.com>
51 * rtl.h (REG_EH_RETHROW): Remove.
52 * rtl.c (reg_note_name): Update.
53 * combine.c (distribute_notes): Don't check for it.
55 2001-08-11 Richard Henderson <rth@redhat.com>
57 * combine.c (distribute_notes): Place REG_SETJMP.
59 2001-08-11 Richard Henderson <rth@redhat.com>
61 * doc/extend.texi (Arrays and pointers implementation): Discourage
62 relying on sign-extension of pointers.
64 2001-08-11 H.J. Lu <hjl@gnu.org>
66 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
68 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
71 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
73 * doc/install.texi (Specific, c4x): Fix cross-reference to the
74 main manual to work both for info and HTML versions.
76 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
77 Matt Kraai <kraai@alumni.carnegiemellon.edu>
79 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
80 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
81 (struct cpp_pool): New member first.
82 * cppinit.c (append_include_chain): Plug memory leaks.
83 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
84 Allocate pragma structures from the (aligned) macro pool to
86 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
87 so we don't leak memory.
88 * hashtable.c (ht_destroy): New.
89 * hashtable.h (ht_destroy): New.
91 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
92 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
94 * c-lex.c (map): Make const.
95 (cb_file_change): Update for callback passing a line map.
96 Don't assume we have a previous map. Remove sanity check
97 about popping too many files.
98 * cpperror.c (print_location): Make map const.
99 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
100 (cpp_make_system_header): Similarly.
101 (search_from): Similarly.
102 (_cpp_execute_include): Don't remember where we came from.
103 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
104 (struct cpp_reader): Make map const.
105 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
106 * cpplib.c (do_line): Update; line maps now hold sysp.
107 (cpp_push_buffer): Similarly.
108 (_cpp_do_file_change): Similarly; callback with map instead.
109 (cpp_get_line_maps): Constify return value.
110 (_cpp_pop_buffer): Update.
111 * cpplib.h (struct cpp_file_change): Remove.
112 (struct cpp_callbacks): Update.
113 (cpp_get_line_maps): Constify return value.
114 * cppmacro.c (_cpp_create_definition): Update.
115 * cppmain.c (struct printer): Constify map.
116 (maybe_print_line): Similarly.
117 (print_line): Similarly. Deduce flags 1 and 2 here.
118 (cb_file_change): Update.
119 * line-map.c (free_line_maps): Warn regardless.
120 (add_line_map): Return pointer to const. When passed NULL to_file
121 with LC_LEAVE, use the obvious values for the return point so the
122 caller doesn't have to figure them out.
123 (lookup_line): Return pointer to const.
124 (print_containing_files): Take pointer to const.
125 * line-map.h (struct line_map): New members reason, sysp.
126 (add_line_map): Return pointer to const.
127 (lookup_line): Similarly.
128 (print_containing_files): Take pointer to const.
130 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
131 Richard Henderson <rth@redhat.com>
133 * regmove.c (regmove_optimize): Avoid setting a register twice in
136 2001-08-10 Richard Henderson <rth@redhat.com>
138 * doc/extend.texi (Arrays and pointers implementation): Document
139 behavior of pointer/integer conversion.
141 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
143 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
145 2001-08-10 Richard Henderson <rth@redhat.com>
147 * doc/extend.texi (C Implementation): New chapter.
148 * doc/gcc.texi (Top): Link it in.
150 2001-08-10 Andrew Cagney <ac131313@redhat.com>
152 * doc/install.texi (Specific): Fix CVS merge botch.
154 2001-08-10 Richard Henderson <rth@redhat.com>
156 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
157 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
159 2001-08-10 Zack Weinberg <zackw@stanford.edu>
161 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
162 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
163 this macro is now required.
165 * cselib.c (cselib_process_insn), flow.c (propagate_block),
166 loop.c (find_and_verify_loops), reload.c (reload): Check
167 for rtx code of CALL_INSN, not CALL, when deciding if we
168 need to check for REG_SETJMP note.
170 * gcse.c (compute_hash_table, compute_store_table): Update
171 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
174 * config/avr/avr.c: Fix typo.
175 * config/convex/convex.c (expand_movstr): Use adjust_address.
176 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
178 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
179 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
181 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
182 Do define STACK_BOUNDARY.
183 * config/i370/i370.c: Include expr.h.
184 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
185 config/pa/som.h, config/v850/v850.h: Take in_ctors and
186 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
187 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
188 * config/m88k/m88k.c: Include c-tree.h after expr.h.
189 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
190 * config/romp/romp.c: Include expr.h after tree.h.
192 (output_fpop): Use xmalloc, not oballoc.
193 * config/we32k/we32k.c: Include expr.h.
195 2001-08-10 Kazu Hirata <kazu@hxi.com>
197 * config/h8300/h8300.h: Fix formatting.
199 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
201 * c-common.h (RETURN_NULLIFIED_P): Lose.
202 * c-semantics.c (genrtl_return_stmt): Don't check it.
204 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
206 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
207 (mips_annotate_frame_insn): New function.
208 (mips_emit_frame_related_store): New function.
209 (save_restore_insns): Don't mark instructions that set up the base
210 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
211 the store instructions instead.
212 (mips_expand_prologue): If the stack size is moved into a temporary
213 register, do not mark that move as frame-related. Add a
214 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
216 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
218 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
219 stack slot as unchanging if current_function_calls_eh_return.
221 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
223 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
224 access the second half of the TFmode scratch operand.
226 2001-08-10 Anthony Green <green@redhat.com>
228 * java/class.c (emit_register_classes): Conditionalize code on
231 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
233 * doc/install.texi (Specific, avr): Fix cross-reference to the
234 main manual to work both for info and HTML versions.
236 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
238 * stmt.c (expand_null_return_1): Remove code to generate simple returns
239 and "use_goto" argument.
240 (expand_null_return, expand_value_return): Update all callers.
241 * function.c (expand_function_end): Remove code to generate simple
243 * config/vax/vax.md (epilogue): New expander for function return.
244 * doc/md.texi (epilogue): Remove "if defined".
246 2001-08-09 Zack Weinberg <zackw@stanford.edu>
248 * Makefile.in: Partially revert my previous change:
249 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
250 of the hashtab.o and safe-ctype.o rules.
252 2001-08-09 Richard Henderson <rth@redhat.com>
254 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
255 (USE_COLLECT2): Remove duplicate definition.
256 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
257 (use_collect2): Remove dead code.
258 * configure.in (use_collect2): Remove will_use_collect2 and
259 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
260 * configure: Rebuild.
262 * target.h (targetm.asm_out.constructor): New.
263 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
264 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
265 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
266 * varasm.c (in_ctors, in_dtors): New.
267 (assemble_constructor, assemble_destructor): Remove.
268 (default_stabs_asm_out_destructor): New.
269 (default_named_section_asm_out_destructor): New.
270 (dtors_section, default_dtor_section_asm_out_destructor): New.
271 (default_stabs_asm_out_constructor): New.
272 (default_named_section_asm_out_constructor): New.
273 (ctors_section, default_ctor_section_asm_out_constructor): New.
274 * output.h: Update declarations.
275 * c-decl.c (c_expand_body): Use target hooks instead of
276 assemble_constructor and assemble_destructor.
277 * profile.c (output_func_start_profiler): Likewise.
278 * objc/objc-act.c (finish_objc): Likewise.
279 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
281 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
283 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
284 (DTORS_SECTION_ASM_OP): Likewise.
285 (__CTOR_LIST__): Use attribute section when possible.
286 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
288 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
289 ASM_OUTPUT_CONSTRUCTOR.
291 * config/darwin.c (machopic_asm_out_constructor): New.
292 (machopic_asm_out_destructor): New.
293 * config/darwin-protos.h: Update declarations.
294 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
295 (ASM_OUTPUT_DESTRUCTOR): Remove.
296 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
297 * config/nextstep.c (nextstep_asm_out_constructor): New.
298 (nextstep_asm_out_destructor): New.
299 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
300 (ASM_OUTPUT_DESTRUCTOR): Remove.
301 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
302 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
303 ASM_OUTPUT_*STRUCTOR.
304 * config/i386/aix386ng.h: Likewise.
306 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
307 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
308 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
309 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
310 * config/lynx.h: Likewise.
311 * config/netware.h: Likewise.
312 * config/psos.h: Likewise.
313 * config/alpha/alpha-interix.h: Likewise.
314 * config/alpha/elf.h: Likewise.
315 * config/arc/arc.h: Likewise.
316 * config/arm/aof.h: Likewise.
317 * config/arm/coff.h: Likewise.
318 * config/arm/elf.h: Likewise.
319 * config/c4x/c4x.h: Likewise.
320 * config/h8300/h8300.h: Likewise.
321 * config/i386/cygwin.h: Likewise.
322 * config/i386/djgpp.h: Likewise.
323 * config/i386/i386-coff.h: Likewise.
324 * config/i386/i386-interix.h: Likewise.
325 * config/i386/sco5.h: Likewise.
326 * config/i386/vsta.h: Likewise.
327 * config/i386/win32.h: Likewise.
328 * config/i960/i960-coff.h: Likewise.
329 * config/ia64/sysv4.h: Likewise.
330 * config/m68hc11/m68hc11.h: Likewise.
331 * config/m68k/coff.h: Likewise.
332 * config/m68k/mot3300.h: Likewise.
333 * config/m88k/m88k.h: Likewise.
334 * config/mcore/mcore-pe.h: Likewise.
335 * config/mcore/mcore.h: Likewise.
336 * config/mips/elf.h: Likewise.
337 * config/mips/elf64.h: Likewise.
338 * config/mips/iris6.h: Likewise.
339 * config/pa/pa64-hpux.h: Likewise.
340 * config/rs6000/sysv4.h: Likewise.
341 * config/sh/sh.h: Likewise.
342 * config/sparc/litecoff.h: Likewise.
344 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
345 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
346 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
347 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
348 (ASM_OUTPUT_DESTRUCTOR): Remove.
349 * config/a29k/a29k.c: Move include of tree.h.
350 * config/a29k/udi.h: Delete file.
351 * config/alpha/alpha.c (vms_asm_out_constructor): New.
352 (vms_asm_out_destructor): New.
353 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
354 (EXTRA_SECTION_FUNCTIONS): Likewise.
355 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
356 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
357 * config/c4x/c4x.c: Move include of tree.h.
358 * config/clipper/clipper.c (clix_asm_out_constructor): New.
359 (clix_asm_out_destructor): New.
360 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
361 (ASM_OUTPUT_DESTRUCTOR): Remove.
362 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
363 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
364 (TARGET_ASM_CONSTRUCTOR): New.
365 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
366 (sco_asm_out_constructor): New.
367 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
368 * config/i386/svr3gas.h: Remove stack grows up code.
369 Remove code duplicated from i386/sysv3.h.
370 (TARGET_ASM_CONSTRUCTOR): New.
371 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
372 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
373 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
374 (TARGET_ASM_CONSTRUCTOR): New.
375 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
376 (m68hc11_asm_out_destructor): New.
377 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
378 (TARGET_ASM_DESTRUCTOR): New.
379 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
380 * config/m68k/dpx2.h: Properly undef all the bits inherited from
381 config/svr3.h pertaining to section manipulation.
382 * config/m68k/dpx2g.h: Remove #if 0 code.
383 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
384 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
385 (ASM_OUTPUT_CONSTRUCTOR): Remove.
386 (TARGET_ASM_CONSTRUCTOR): New.
387 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
388 (m88k_svr3_asm_out_constructor): New.
389 (m88k_svr3_asm_out_destructor): New.
390 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
391 (ASM_OUTPUT_DESTRUCTOR): Remove.
392 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
393 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
394 * config/rs6000/aix.h: Likewise.
395 * config/mips/rtems64.h: Don't undef removed constructor related bits.
396 * config/mips/vxworks.h: Likewise.
397 * config/rs6000/lynx.h: Likewise.
398 * config/sh/elf.h: Likewise.
399 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
400 (DTORS_SECTION_ASM_OP): New.
401 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
402 (ASM_OUTPUT_DESTRUCTOR): Remove.
403 * config/sparc/sol2-sld-64.h: Likewise.
404 * config/vax/vax.c (vms_asm_out_constructor): New.
405 (vms_asm_out_destructor): New.
406 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
407 (ASM_OUTPUT_DESTRUCTOR): Remove.
408 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
410 * doc/tm.texi (@node Initialization): Update.
412 2001-08-09 Richard Henderson <rth@redhat.com>
414 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
415 (__do_global_dtors_aux): Use gp-relative static data to avoid
416 one dynamic relocation.
417 (__do_frame_setup): Register Java classes.
418 * config/alpha/crtend.asm (__JCR_END__): New.
420 2001-08-09 Zack Weinberg <zackw@stanford.edu>
422 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
423 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
424 (GEN, STAGESTUFF): Add new files.
425 (insn-constants.h, s-constants, tm-preds.h, s-preds,
426 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
427 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
428 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
429 as well as insn-codes.h and insn-flags.h in config.h; and no
430 extra headers in tconfig.h and hconfig.h.
432 * gencodes.c: Eliminate code to generate predicate declarations
433 or #defines for md-file constants.
434 * genconstants.c, genpreds.c: New files.
436 * i386.md: Re-order guard expressions such that TARGET_64BIT
437 comes first, when this permits better optimization. Add
438 TARGET_64BIT to more x86-64 patterns. Add comment explaining
439 why this is desirable.
441 2001-08-09 Jakub Jelinek <jakub@redhat.com>
443 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
444 (find_fde_for_dso): Remove.
445 (_Unwind_IteratePhdrCallback): New.
446 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
447 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
449 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
451 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
452 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
454 2001-08-09 Graham Stott <grahams@redhat.com>
456 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
457 (vis_no_unit): Use it.
458 (visualize_no_unit): Add the insn only if room exists.
460 2001-08-09 Graham Stott <grahams@redhat.com>
462 * predict.c (estimate_probability): Replace magic numbers with
463 appropriate enumeration.
465 2001-08-09 Graham Stott <grahams@redhat.com>
467 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
469 (EXTRACT_FLAGS): Likewise.
471 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
473 * config/mips/mips.c (mips_legitimate_address_p): Check for
474 CONST_INT in last patch.
476 2001-08-08 Anthony Green <green@redhat.com>
478 * java/class.c (emit_register_classes): Use assemble_jcr if
479 possible. Keep the original mechanism as a fallback.
480 * defaults.h (JCR_SECTION_NAME): Define if we have named section
481 and weak symbol support.
482 * crtstuff.c (__JCR_LIST__): Define.
483 (__JCR_END__): Define.
484 (_Jv_RegiserClasses): Define weak symbol if possible.
485 (__do_global_ctors_aux): Register classes for ELF targets with
488 2001-08-08 Kazu Hirata <kazu@hxi.com>
490 * dbxout.c: Fix comment formatting.
491 * dependence.c: Likewise.
493 * diagnostic.c: Likewise.
494 * dominance.c: Likewise.
495 * doprint.c: Likewise.
496 * dwarf2out.c: Likewise.
497 * dwarfout.c: Likewise.
498 * emit-rtl.c: Likewise.
499 * except.c: Likewise.
500 * explow.c: Likewise.
501 * expmed.c: Likewise.
504 * fold-const.c: Likewise.
505 * function.c: Likewise.
507 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
509 * global.c (retry_global_alloc): Avoid shadowing allocno.
511 2001-08-08 Mark Mitchell <mark@codesourcery.com>
513 * except.c (remove_fixup_regions): Fix typo.
515 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
517 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
518 unsigned HOST_WIDE_INT to avoid warning.
519 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
520 * flow.c (set_block_for_new_insns): Likewise.
522 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
524 * sibcall.c (return_value_pseudo): New static variable.
525 (skip_copy_to_return_value): Handle return_value_pseudo.
526 (call_ends_block_p): Ensure that return_value_pseudo is set.
527 (optimize_sibling_and_tail_recursive_call): Discover the
528 load of pseudo return value in alternate exit block.
530 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
532 * calls.c (ECF_ALWAYS_RETURN): New constant.
533 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
534 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
535 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
536 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
537 * rtl.c (reg_note_name): New name.
538 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
540 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
542 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
544 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
546 * alias.c (get_alias_set): Return a previously calculated
547 alias set for a VAR_DECL.
548 * function.c (gen_mem_addressof): Calculate the alias set before
551 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
553 * predict.def: Set hitrates according our experimental run.
555 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
557 * i386.h (HARD_REGNO_RENAME_OK): New macro.
559 2001-08-08 H.J. Lu <hjl@gnu.org>
561 * config/mips/mips.c (mips_unique_section): New. Copied from
564 * config/mips/mips-protos.h (mips_unique_section): New
567 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
569 * config/mips/little.h: New. Generic little endian mips
570 targets. Only mips*-*-linux* is converted to use it so far.
572 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
573 (WCHAR_TYPE): Defined
574 (WCHAR_TYPE_SIZE): Likewise.
575 (INIT_SUBTARGET_OPTABS): Likewise.
576 (BSS_SECTION_ASM_OP): Likewise.
577 (SBSS_SECTION_ASM_OP): Likewise.
578 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
579 (ASM_DECLARE_OBJECT_NAME): Likewise.
580 (UNIQUE_SECTION): Likewise.
581 (EXTRA_SECTIONS): Likewise.
582 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
583 (ASM_OUTPUT_DESTRUCTOR): Likewise.
584 (ASM_OUTPUT_DEF): Likewise.
585 (HANDLE_SYSV_PRAGMA): Removed.
586 (NO_IMPLICIT_EXTERN_C): Likewise.
587 (TARGET_MEM_FUNCTIONS): Likewise.
588 (STARTFILE_SPEC): Likewise.
589 (ENDFILE_SPEC): Likewise.
590 (LIB_SPEC): Likewise.
591 (INVOKE__main): Likewise.
592 (CTOR_LIST_BEGIN): Likewise.
593 (CTOR_LIST_END): Likewise.
594 (DTOR_LIST_BEGIN): Likewise.
595 (DTOR_LIST_END): Likewise.
596 (SET_ASM_OP): Likewise.
597 (ASM_OUTPUT_SOURCE_LINE): Likewise.
598 (ASM_OUTPUT_DEF): Likewise.
599 (ASM_OUTPUT_IDENT): Likewise.
601 * config/mips/mips.h (ASM_SPEC): Undefine before define.
602 (CPLUSPLUS_CPP_SPEC): Likewise.
603 (ASM_APP_ON) Redefine only if not defined.
604 (ASM_APP_OFF): Likewise.
605 (ASM_OUTPUT_SOURCE_LINE): Likewise.
606 (ASM_OUTPUT_IDENT): Likewise.
608 * config.gcc: Update tm_file for Linux/mips.
610 2001-08-08 Bernd Schmidt <bernds@redhat.com>
612 * cselib.c (cselib_record_sets): If insn is predicated, turn
613 sources into IF_THEN_ELSEs.
615 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
616 Turn into define_insn_and_split.
618 * sched-deps.c: Include "cselib.h".
619 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
620 Use cselib to turn memory addresses into VALUEs.
621 (sched_analyze): Call cselib_init/cselib_finish if necessary.
622 * sched-int.h (struct sched_info): New member USE_CSELIB.
623 * sched-ebb.c (ebb_sched_info): Initialize it.
624 * sched-rgn.c (rgn_sched_info): Likewise.
625 * Makefile.in (sched-deps.o): Update dependencies.
627 * cselib.h (cselib_subst_to_values): Declare.
628 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
629 that have no value and autoincs to be handled by generating a new
632 2001-08-08 Graham Stott <grahams@redhat.com>
634 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
635 within fixed length SEQUENCE.
637 2001-08-08 Graham Stott <grahams@redhat.com>
639 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
640 (diagnostic_prefixing_rule): Likewise.
641 (diagnostic_line_cutoff): Likewise.
642 (diagnostic_kind_count): Likewise.
644 2001-08-08 Graham Stott <grahams@redhat.com>
646 * alias.c (find_base_decl): Delete redundent assignment.
648 2001-08-08 Graham Stott <grahams@redhat.com>
650 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
651 (abs): Uppercase and paranthesize macro parameter.
652 (MEM_DEPENDENCY): Add whitespace.
654 2001-08-08 Graham Stott <grahams@redhat.com>
656 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
657 failure check for CONST_INT
659 2001-08-08 Graham Stott <grahams@redhat.com>
661 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
662 (libcall_dead_p): Likewise.
664 (mark_used_regs): Constify fmt.
665 (find_use_as_address): Likewise.
667 2001-08-08 Graham Stott <grahams@redhat.com>
669 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
672 2001-08-08 Graham Stott <grahams@redhat.com>
674 * combine.c (combine_simplify_rtx): Update comment and
675 remove erroneous test.
677 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
679 * cppinit.c (cpp_finish): Pop the final buffer without comment.
680 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
681 take care to avoid multiple no-newline at EOF warnings in that
684 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
686 * calls.c (expand_call): Do not emit INSN_SETJMP note.
687 (emit_library_call_value_1): Likewise.
688 (emit_call_1): Emit REG_SETJMP note.
689 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
691 * cselib.c (cselib_process_insn): Likewise.
692 * flow.c (propagate_block): Likewise.
693 * loop.c (find_and_verify_loops): Likewise.
694 * reload.c (find_equiv_regs): Likewise.
695 * reload1.c (reload): Likewise.
696 * resource.c (mark_referenced_resources,
697 mark_set_resources): Likewise.
698 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
699 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
700 * haifa-sched.c (unlink_other_notes): Likewise.
701 (reemit_notes): Likewise.
702 * sched-ebb.c (sched_ebb): Likewise.
703 * sched-rgc.c (sched_region): Likewise.
704 * rtl.c (note_insn_name): Likewise.
705 (reg_note_name): Add REG_SETJMP
706 * rtl.h (reg_note): Add REG_SETJMP.
707 (insn_note): Remove NOTE_INSN_SETJMP.
709 * profile.c (branch_prob): Add fake edges for setjmp.
711 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
713 * config.gcc: Quote target_cpu_default2 correctly for
714 powerpc*-*-* targets.
716 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
718 * cpplib.h, line-map.h: Update comments.
719 * cppmain.c (printer_init): Move inline.
720 (maybe_print_line, print_line): Take a map pointer.
721 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
722 (cb_file_change): Don't use prior value of print.map.
724 2001-08-07 David Edelsohn <edelsohn@gnu.org>
726 * doc/install.texi: Document fine-grained multilib configuration.
728 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
730 * rtlanal.c (find_first_parameter_load): Call note_stores
731 only on the instructions.
733 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
735 * alias.c (nonlocal_mentioned_p):
736 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
737 * calls.c (emit_call_1): Likewise.
738 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
739 * cselib.c (cselib_process_insn): Likewise.
740 * df.c (df_insns_modify): Likewise.
741 * flow.c (need_fake_edge_p): Likewise.
742 (propagate_one_insn): Likewise.
743 * haifa-sched.c (reemit_notes): Likewise.
744 * integrate.c (copy_insn_list): Likewise.
745 * jump.c (delete_prior_computation): Likewise.
746 * local-alloc.c (validate_equiv_mem): Likewise.
747 * loop.c (scan_loop): Likewise.
748 * predict.c (estimate_probability): Likewise.
749 * reload.c (reload): Likewise.
750 * sched-deps (sched_analyze): Likewise.
751 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
752 * gcse.c (compute_hash_table): Likewise.
753 (mark_call): Likewise.
754 (store_killed_in_insn): Likewise.
756 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
758 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
760 2001-08-06 Richard Henderson <rth@redhat.com>
762 * varasm.c (assemble_gc_entry): Remove.
763 * output.h: Likewise.
765 2001-08-06 Richard Henderson <rth@redhat.com>
767 * varasm.c (assemble_constructor): Take a symbol_ref and a
768 priority instead of a bare string. Move priority handling
769 here from cp/decl2.c.
770 * output.h: Update decls.
772 * c-decl.c (c_expand_body): Update calls to assemble_constructor
773 and assemble_destructor.
774 * profile.c (output_func_start_profiler): Likewise.
775 * objc/objc-act.c (finish_objc): Likewise.
776 (build_module_descriptor): Return the symbol not the symbol name.
778 2001-08-06 David Edelsohn <edelsohn@gnu.org>
780 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
781 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
782 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
783 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
784 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
785 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
787 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
789 * cpperror.c (print_containing_files): Moved to line-map.c.
790 (print_location): line-map.c handles re-listing or otherwise.
791 * cpphash.h (struct lexer_state): Remove next_bol.
792 (struct cpp_buffer): Remove include_stack_listed.
793 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
794 Remove faked buffer handling.
795 (_cpp_do_file_change): Tweak.
796 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
797 * cppmain.c (struct printer): Remove filename.
798 (print_line, cb_file_change): Update accordingly.
799 * line-map.c: Include intl.h.
800 (init_line_maps): Initialize last_listed.
801 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
802 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
803 (print_containing_files): New.
804 * line-map.h (struct line_maps): New member last_listed.
805 (print_containing_files, INCLUDED_FROM): New.
806 * Makefile.in: Update.
807 * po/POTFILES.in: Add line-map.c.
809 2001-08-06 Richard Henderson <rth@redhat.com>
811 * except.c (convert_from_eh_region_ranges_1): Never mark
812 USE or CLOBBER insns as throwing.
814 * expr.c (store_constructor): Don't clobber memory targets.
816 2001-08-06 Andreas Jaeger <aj@suse.de>
818 * profile.c (branch_prob): Remove unused variable insn.
820 * Makefile.in (local-alloc.o): Add dependency on except.h.
822 * local-alloc.c: Include except.h for can_throw_internal prototype.
824 2001-08-06 Richard Henderson <rth@redhat.com>
826 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
827 * function.c (expand_main_function): Implement it.
828 * doc/tm.texi: Document it.
830 2001-08-06 Stan Shebs <shebs@apple.com>
832 * doc/install.texi: Document powerpc-*-darwin* details.
834 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
836 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
837 (ASM_CPU_SPEC): Move back to rs6000.h
838 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
840 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
842 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
845 * config/rs6000/linux64.h: Ditto.
847 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
848 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
851 Remove accidently readded definitions of FUNCTION_PROLOGUE,
852 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
854 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
857 2001-08-05 Richard Henderson <rth@redhat.com>
859 * local-alloc.c (update_equiv_regs): Do not move insns that
862 2001-08-05 Jan Hubicka <jh@suse.cz>
864 * Makefile.in (reload1.o): Add dedendancy on except.h
865 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
867 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
868 indicating wehther edges has been cleaned up.
869 * reload1.c: Inlucde except.h
870 (fixup_abnormal_edges): Accept deleted insns.
871 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
874 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
876 * cpplib.c (do_line): Correct line number after pop_buffer.
878 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
881 * line-map.c: Update comments.
882 * line-map.h: Update comments.
883 * tradcif.y: Don't consider large numbers unsigned.
885 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
888 * c-lex.c (map): New.
889 (cb_file_change): Update map and use it.
890 (cb_def_pragma, cb_define, cb_undef): Use map and line.
891 (c_lex): Update to use map.
892 * cpperror.c (print_location): Move to using logical line numbers.
893 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
894 (cpp_make_system_header): Similarly.
895 (_cpp_execute_include): Stop line numbering hacks. Store the
896 line we will return to.
897 * cpphash.h (CPP_BUF_LINE): Remove.
898 (struct cpp_buffer): Remove lineno and pseudo_newlines.
899 Add map and return_to_line.
900 (_cpp_do_file_change): Update.
901 * cppinit.c (cpp_start_read): Update line kludge.
902 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
903 (trigraph_ok): Use logical line numbers for diagnostics.
904 (skip_block_comment): Likewise.
905 (skip_whitespace): Likewise.
906 (skip_line_comment): Use pfile->line instead.
907 (_cpp_lex_token): Update to use logical line numbering exclusively.
908 Handle BOL locally. Accept new lines in directives, but keep
909 pfile->line decremented. Diagnostics use logical lines. Update
911 * cpplib.c (SEEN_EOL): New.
912 (skip_rest_of_line, check_eol): Use it.
913 (end_directive): Increase line number when accepting the newline
914 at the end of a directive.
915 (run_directive): Simplify.
916 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
917 (_cpp_do_file_change): Update to take buffer line number as an
918 argument, and store the current map in the cpp_reader. Remove
920 (_cpp_do__Pragma): Restore output position after a _Pragma.
921 (cpp_push_buffer): Don't set output line or lineno.
922 (_cpp_pop_buffer): Transfer more info from a faked buffer.
923 Remove line kludge. Set output_line.
924 * cppmacro.c (builtin_macro): Update handling of __LINE__.
925 (parse_arg): Use logical lines.
926 (save_lookahead_token): Save EOFs too now.
927 * cppmain.c (struct printer): Fix comments.
928 (printer_init): Simplify, let caller do errors.
929 (scan_translation_unit, check_multiline_token, dump_macro): Update.
930 (maybe_print_line): Simplify.
931 (print_line): Don't print a linemarker if -P.
932 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
933 (cb_file_change): Simplify.
934 * line-map.h (LAST_SOURCE_LINE): Fix.
935 (CURRENT_LINE_MAP): New.
937 2001-08-05 Bernd Schmidt <bernds@redhat.com>
939 * doloop.c (doloop_modify_runtime): Properly compute number of
940 iterations if loop was unrolled.
942 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
943 if their CSELIB_VAL_PTRs are.
945 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
946 (setup_spill_pointers): Initialize it.
947 (spill_restore_mem): Set it.
948 (do_spill, do_restore): Use it to add REG_INC note.
949 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
951 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
952 asms if other insns are available.
954 * config/ia64/ia64.c (condop_operator): New predicate.
955 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
956 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
959 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
960 temporary register than directly using a MEM.
962 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
964 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
965 parameter in last change.
967 2001-08-04 Zack Weinberg <zackw@panix.com>
969 * sparc.md: Don't use #if inside C test expression.
971 2001-08-04 Richard Henderson <rth@redhat.com>
973 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
975 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
977 * cpphash.h (struct cpp_reader): New member directive_line.
978 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
979 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
980 do_pragma): Pass line to callbacks.
981 (start_directive): Record line of directive.
982 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
983 cb_include): Similarly.
984 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
987 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
989 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
992 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
994 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
996 * reload1.c (fixup_abnormal_edges): New static function.
999 * flow.c (need_fake_edge_p): New function.
1000 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1001 avoid call insn to be very last insn in the insn stream.
1003 * profile.c (branch_prob): Call flow_call_edges_add instead of
1004 doing that by hand; cleanup cfg to re-merge basic blocks once
1007 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1009 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1010 are also on line-map.h.
1011 * cppfiles.c (stack_include_file): Update.
1012 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1013 (_cpp_pop_buffer): New.
1014 * cppinit.c (cpp_destroy, cpp_finish): Update.
1015 (do_includes): Mark each buffer to return at EOF.
1016 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1017 return as requested.
1018 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1019 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1020 * cpplib.h (cpp_pop_buffer): Remove.
1021 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1022 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1024 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1026 (do_preprocessing): Update.
1027 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1028 * c-parse.in (_yylex): Similarly.
1029 * scan-decls.c (scan_decls): Similarly.
1030 * line-map.h: Update comments.
1032 * objc/Make-lang.in (objc-act.o): Update dependencies.
1034 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1036 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1037 and soft register for operand 0.
1038 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1040 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1042 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1043 register for operand 0.
1044 ("bitcmpqi_z_used"): Allow memory for operand 0.
1045 (split "bitcmpqi"): New split to handle address reg as operand 1.
1047 2001-08-04 Andreas Jaeger <aj@suse.de>
1049 * gcse.c: Revert Daniel's last patch.
1051 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1053 * sparc-protos.h: Add prototypes for fp_zero_operand and
1055 * sh-protos.h: Add prototype for fpul_operand.
1057 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1059 * doc/extend.texi (Other Builtins): Fix typo in last change.
1061 2001-08-03 Richard Henderson <rth@redhat.com>
1063 * target.h (gcc_target): Add asm_out.named_section,
1064 section_type_flags, have_named_sections.
1065 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1066 (TARGET_HAVE_NAMED_SECTIONS): New.
1067 (TARGET_SECTION_TYPE_FLAGS): New.
1069 * Makefile.in (toplev.o): Depend on TARGET_H.
1070 (varasm.o, dbxout.o): Likewise.
1071 * c-common.c (decl_attributes): Check targetm.have_named_sections
1072 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1073 * dbxout.c (dbxout_function_decl): Likewise.
1074 (dbxout_function_end): Likewise.
1075 * toplev.c (compile_file): Likewise.
1076 * varasm.c (exception_section): Likewise.
1077 * cp/decl2.c (finish_objects): Likewise.
1079 * defaults.h (EH_FRAME_SECTION): Remove.
1080 (EH_FRAME_SECTION_ASM_OP): Remove.
1081 (EH_FRAME_SECTION_NAME): New.
1082 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1083 (UNIQUE_SECTION_P): Remove.
1084 * dwarf2out.c (SECTION_FORMAT): Remove.
1085 (ASM_OUTPUT_SECTION): Remove.
1086 (output_call_frame_info): Use named_section_flags.
1087 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1088 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1089 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1090 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1091 (named_section_flags): New.
1092 (named_section): Use it and targetm.section_type_flags.
1093 (resolve_unique_section): New.
1094 (assemble_start_function): Use it.
1095 (asm_emit_uninitialised, assemble_variable): Likewise.
1096 (default_section_type_flags): New.
1097 (default_no_named_section, default_elf_asm_named_section): New.
1098 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1099 * output.h: Update varasm.c decls.
1100 (SECTION_*): New flags.
1102 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1103 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1105 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1106 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1107 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1108 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1109 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1110 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1111 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1112 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1113 * config/pa/pa64-hpux.h,
1115 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1116 (TARGET_ASM_NAMED_SECTION): New.
1117 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1118 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1119 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1120 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1121 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1122 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1123 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1124 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1125 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1126 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1127 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1128 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1129 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1130 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1131 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1132 * config/sparc/sysv4.h: Likewise.
1134 * config/nextstep.h: Error until named sections implemented.
1136 * config/a29k/a29k.c (a29k_asm_named_section): New.
1137 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1138 (vms_section_type_flags, vms_asm_named_section): New.
1139 * config/arm/arm.c (arm_elf_asm_named_section): New.
1140 * config/avr/avr.c (asm_output_section_name): Remove.
1141 * config/avr/avr-protos.h: Update.
1142 * config/c4x/c4x.c (c4x_asm_named_section): New.
1143 * config/h8300/h8300.c (h8300_asm_named_section): New.
1144 * config/i386/i386.c (sco_asm_named_section): New.
1145 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1146 (i386_pe_section_type_flags): New.
1147 (i386_pe_asm_named_section): New.
1148 * config/i386/i386-protos.h: Update.
1149 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1150 * config/mcore/mcore.c (mcore_asm_named_section): New.
1151 * config/mips/mips.c (iris6_asm_named_section): New.
1152 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1153 instead of UNIQUE_SECTION_P.
1154 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1155 (xcoff_asm_named_section): New.
1156 * config/sh/sh.c (sh_asm_named_section): New.
1157 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1159 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1160 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1161 (EH_FRAME_SECTION_NAME): New.
1162 (EXCEPTION_SECTION): New.
1163 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1164 (DEBUG_*_SECTION): Remove.
1165 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1166 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1167 (EH_FRAME_SECTION_ASM_OP): Remove.
1169 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1170 (ASM_OUTPUT_SECTION_NAME): Remove.
1171 (TARGET_ASM_NAMED_SECTION): New.
1172 (TARGET_HAVE_NAMED_SECTIONS): New.
1173 (TARGET_SECTION_TYPE_FLAGS): New.
1174 (EH_FRAME_SECTION_ASM_OP): Remove.
1175 (EH_FRAME_SECTION_NAME): New.
1177 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1179 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1180 for complex expressions when cfun == 0.
1181 * doc/extend.texi: Document that __builtin_constant_p can be
1182 used in data initializers as well as functions.
1184 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1186 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1187 variable I locally, instead of expecting a declaration in the
1190 2001-08-03 Richard Henderson <rth@redhat.com>
1192 * except.c (collect_one_action_chain): Add an explicit cleanup
1193 action if regions surrounding a catch were encoded entirely
1194 within the call-site entry.
1196 2001-08-03 Richard Henderson <rth@redhat.com>
1198 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1199 don't take REGNO of a non-register.
1201 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1203 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1204 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1205 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1206 (__gthread_mutex_init_function): New function for mutex initialization.
1208 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1210 * Makefile.in: Revert screwed up commit.
1212 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1214 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1215 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1216 merged by linker script to get a final _exit().
1217 (__do_global_dtors): New for destructor handling in specific exit
1219 (__do_global_ctors): New for constructors in specific install section.
1220 (__map_data_section): Map data sections before running constructors.
1221 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1222 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1223 (DTORS_SECTION_ASM_OP): Likewise.
1224 (CTORS_SECTION_FUNCTION): Define to force a reference to
1226 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1228 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1230 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1232 * Makefile.in: Add df.h to gcse.c dependencies.
1234 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1236 * varasm.c (output_constant_def_contents): Use for the length of a
1237 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1238 depending on which is larger.
1240 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1242 * gcse.c: Include df.h for use as a dataflow analyzer.
1244 Declaration of reg_set_info: gone.
1245 New df_analyzer variable used by store motion.
1246 (reg_set_info): Deleted.
1247 (mark_mem_regs): New function, analyze regs used by a mem.
1248 (store_ops_ok): Use dataflow analyzer results to determine if
1249 necessary regs are changed in the block.
1250 (find_moveable_store): Remove check for symbol ref, we can handle
1251 much more complex expressions now.
1252 (compute_store_table): Remove most of the code, it's unnecessary
1253 now that the dataflow analyzer records the info for us.
1254 (store_killed_after): Add parameter to say whether to do the
1255 store_ops_okay test, used to speed up testing when we already know
1256 the answer, and just want to know if the store itself was killed.
1257 (build_store_vector): Largely rewritten to calculate the various
1258 vectors properly, and somewhat optimized.
1259 (store_motion): Init the df_analyzer, get REG_DEF chains.
1260 Also handle trapping expressions (since mems almost always trap)
1261 (simple_mem): Redefine what a simple mem is.
1263 2001-08-03 DJ Delorie <dj@redhat.com>
1265 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1266 set from a constant part of the condition.
1268 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1270 * mkdeps.c (deps_add_default_target): Make local variable
1271 ``start'' a const char pointer.
1272 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1274 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1276 * doc/install.texi (Configuration): Fix markup.
1277 (Specific, i?86-*-udk): Likewise.
1278 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1280 Document --enable-threads and --enable-libgcj status.
1281 (Specific, mips-sgi-irix*): Canonicalize triples.
1282 (Specific, mips-sgi-irix5): Warn about problems with this config.
1283 Mention required GNU as patch.
1284 Native assembler problems are fixed.
1285 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1286 Document --enable-threads and --enable-libgcj status.
1288 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1290 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1293 2001-08-03 Richard Henderson <rth@redhat.com>
1295 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1298 2001-08-03 Richard Henderson <rth@redhat.com>
1300 * rtlanal.c (find_first_parameter_load): Stop if we
1301 reach a CODE_LABEL at BOUNDARY.
1303 2001-08-03 Richard Henderson <rth@redhat.com>
1305 * config/alpha/alpha.md (force_movdi): New insn.
1306 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1307 Tweek FRP marking of VMS prologue insns.
1308 * config/alpha/vms.h (EPILOGUE_USES): New.
1310 2001-08-02 Richard Henderson <rth@redhat.com>
1312 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1314 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1316 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1317 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1318 config/convex/convex.h, config/d30v/d30v.c,
1319 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1320 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1321 config/mips/mips.h, config/mn10200/mn10200.h,
1322 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1323 config/v850/v850.h, config/vax/openbsd.h,
1324 config/vax/openbsd1.h, config/vax/ultrix.h,
1325 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1326 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1327 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1328 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1329 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1330 in comments and documentation.
1332 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1336 * Makefile.in (line-map.o): New.
1337 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1338 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1339 * cpperror.c (print_containing_files): Similarly.
1340 (print_location): Update. Don't output a space before _Pragma.
1341 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1342 (stack_include_filee, cpp_make_system_header): Update.
1343 (_cpp_execute_include): Get logical line number right for calling
1344 as-yet-unterminated #include.
1345 * cpphash.h (struct cpp_reader): Add line_maps.
1346 (_cpp_do_file_change): Update.
1347 * cppinit.c (cpp_create_reader): Initialize line maps.
1348 (cpp_destroy): Destroy line maps.
1349 (cpp_start_read): Get logical line number right.
1350 * cpplex.c (parse_string): Only warn once for multi-line strings.
1351 Use boolean variable for null warning.
1352 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1354 (do_include_common): End the directive early.
1355 (do_line): Don't warn about out-of-range lines in preprocessed
1356 source. Update. Remove unused variables.
1357 (_cpp_do_file_change): Update for new line mapping.
1358 (pragma_cb): New typedef.
1359 (cpp_register_pragma): Stop looking ahead before calling the
1361 (do_pragma_system_header): End directive early.
1362 (cpp_get_line_maps): New.
1363 (cpp_pop_buffer): Fudge logical line. Update.
1364 * cpplib.h: Include line-map.h
1365 (enum cpp_fc_reason): Remove.
1366 (struct cpp_file_change): Update.
1367 (cpp_get_line_maps): New.
1368 * cppmain.c (struct_printer): New member map.
1369 (cb_file_change): Update for new mappings.
1370 * fix-header.c (cb_file_change): Similarly.
1372 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1374 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1375 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1377 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1379 * config/vax/vax.c: include expr.h.
1381 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1383 * Makefile.in ($(srcdir)/configure): Only rebuild in
1385 ($(srcdir)/config.in): Only define in maintainer mode.
1386 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1388 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1390 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1392 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1394 * gcc.c (set_collect_gcc_options): New function, split out from
1396 Ignore elided switches.
1397 (do_spec_1): Invoke before executing command.
1398 (set_input): Export.
1399 Move declaration ...
1400 * gcc.h (set_input): ... here.
1401 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1404 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1407 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1409 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1411 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1413 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1414 for the unnamed instructions it expands to.
1416 2001-08-02 Richard Henderson <rth@redhat.com>
1418 * regclass.c (call_really_used_regs): Conditionally define.
1419 (init_reg_sets_1): Don't use it if not defined.
1420 (fix_register): Similarly, don't set it.
1422 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1424 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1425 Correct comment that had been missed in the previous change.
1427 2001-08-01 Stan Shebs <shebs@apple.com>
1429 * config/darwin.c (machopic_stub_name): Try matching by name.
1430 (update_stubs): New function.
1431 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1434 2001-08-01 Richard Henderson <rth@redhat.com>
1436 * except.c (output_function_exception_table): Use assemble_align.
1437 * varasm.c (assemble_eh_label): Remove.
1438 (assemble_eh_align, assemble_eh_integer): Remove.
1440 2001-08-01 Robert Lipe <robertl@caldera.com>
1442 * dwarfout.c: Remove reference to README.DWARF.
1444 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1446 * regclass.c (call_really_used_regs): New array for registers which
1447 are actually used by a call.
1448 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1450 (fix_register): Set call_really_used too.
1451 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1452 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1454 2001-08-01 Richard Henderson <rth@redhat.com>
1456 * read-rtl.c (read_name): Consider \r whitespace.
1458 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1460 * config.gcc: Recognize powerpc-*-netbsd*.
1462 * doc/install.texi (Host/target specific installation notes for
1463 GCC): Mention powerpc-*-netbsd*.
1465 * config/rs6000/netbsd.h: New file.
1466 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1467 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1468 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1469 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1470 (TARGET_VERSION): Redefine.
1472 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1473 mcall-netbsd as a match for mcall-sysv.
1474 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1475 (ncrti.S, ncrtn.S): New targets.
1476 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1478 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1479 "netbsd' as a V4 ABI.
1480 (ASM_SPEC): Check for -mcall-netbsd.
1481 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1482 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1483 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1484 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1485 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1486 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1487 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1489 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1490 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1492 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1494 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1495 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1496 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1497 including "unwind-pe.h".
1499 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1501 * rs6000.md (define_splits): Kill unused constraints.
1503 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1504 Jan Hubicka <jh@suse.cz>
1506 * function.c (thread_prologue_and_epilogue_insns): Kill code
1507 dealing with non-existent CFG.
1509 2001-08-01 Kazu Hirata <kazu@hxi.com>
1511 * alias.c: Fix comment formatting.
1512 * bitmap.c: Likewise.
1513 * builtins.c: Likewise.
1514 * calls.c: Likewise.
1515 * c-common.c: Likewise.
1516 * c-decl.c: Likewise.
1517 * c-dump.c: Likewise.
1518 * c-lex.c: Likewise.
1519 * collect2.c: Likewise.
1520 * combine.c: Likewise.
1521 * conflict.c: Likewise.
1522 * cppfiles.c: Likewise.
1523 * cppinit.c: Likewise.
1524 * cpplex.c: Likewise.
1525 * cpplib.c: Likewise.
1526 * cppmacro.c: Likewise.
1527 * cppspec.c: Likewise.
1528 * c-pragma.c: Likewise.
1529 * crtstuff.c: Likewise.
1531 * cselib.c: Likewise.
1532 * c-semantics.c: Likewise.
1533 * c-typeck.c: Likewise.
1535 2001-08-01 H.J. Lu <hjl@gnu.org>
1537 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1539 2001-08-01 H.J. Lu <hjl@gnu.org>
1541 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1543 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1545 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1546 contextualizing Objective-C class name lookup by the lexer.
1547 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1549 (protocoldef): Add support for forward @protocol declarations.
1550 (yylexname): Suppress ObjC class name lookup in certain contexts;
1551 re-enable after lookup is complete.
1552 (_yylex): Re-enable ObjC class name lookup when certain
1553 punctuation marks are seen.
1555 * objc/objc-act.c (check_protocol_recursively): New function used
1556 for finding circular dependencies in protocols.
1557 (objc_declare_protocols): New function for handling forward
1558 @protocol declarations.
1559 (receiver_is_class_object): Detect the case when 'self' is used
1560 inside of a class method.
1561 (build_message_expr): Issue a warning if class method is desired
1562 but instance method is found instead.
1563 (conforms_to_protocol): Streamline.
1564 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1565 protocol Foo, even if 'Bar foo' does not.
1566 (check_protocols): Streamline.
1567 (start_protocol): Add checks for circular and duplicate protocol
1569 (encode_aggregate_within): For typedefs of structs, encode the
1571 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1572 (objc_declare_protocols): New prototype.
1574 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1576 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1577 * cpplex.c (handle_newline): Update prototype. Maintain logical
1579 (skip_escaped_newlines, skip_block_comment, parse_string):
1581 (_cpp_lex_token): Update, and store token position within the token.
1582 * cpplib.h (struct cpp_token): Add line and column entries.
1583 * cppmacro.c (replace_args): Position stringified tokens correctly.
1585 2001-08-01 Andreas Jaeger <aj@suse.de>
1587 * basic-block.h: Add prototype for last_loop_beg_note.
1589 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1591 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1592 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1594 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1595 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1596 expand_decl_cleanup.
1597 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1599 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1600 operand while calling simple_cst_equal.
1601 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1602 operand is the cleanup expression, the third is the RTL_EXPR.
1603 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1605 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1607 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1609 2001-07-31 matthew green <mrg@eterna.com.au>
1611 * config.gcc (i386-*-netbsdelf): New description.
1612 * config/i386/netbsd-elf.h: New file.
1614 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1616 * loop.c (check_dbra_loop): Use single_set to compute
1619 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1621 PowerPC reorg and support for powerpc64-*-linux*.
1623 Also fixes emitting of constants on 32 bit and 64 bit
1626 * config.gcc: powerpc64-*-linux* is a new target.
1627 Things that needed aix.h now also include xcoff.h
1629 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1631 Move AIX specific stuff into aix.h.
1632 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1633 with more than just XCOFF now.
1634 (SET_ASM_OP): Remove, now defined where needed.
1635 (FUNCTION_PROLOGUE): New macro definition.
1636 (FUNCTION_EPILOGUE): New macro definition.
1637 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1639 * config/rs6000/xcoff.h: New file.
1641 * config/rs6000/linux64.h: New file.
1643 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1645 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1647 * rs6000.c (print_operand_address): Handle ELF syntax.
1648 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1649 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1650 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1652 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1654 * rs6000.c (rs6000_override_options): Only disable
1655 flag_function_sections for XCOFF.
1656 (exact_log2_cint_operand): New predicate.
1657 (reg_or_{add,sub}_cint64_operand): New predicates.
1658 (add_operand): Compare CONST_INT with fewer function calls.
1659 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1660 (print_operand, case 'p'): Ensure positive operand.
1661 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1662 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1663 (PREDICATE_CODES): Add new predicates.
1664 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1665 (divsi3, modsi3): Ensure positive power-of-2.
1666 (adddi3): Use new predicate. Split 32-bit constants more
1667 correctly. Re-arrange splitter to handle any constant.
1668 (subdi3): Use new predicate.
1669 (divdi3, moddi3): Ensure positive power-of-2.
1670 (movdi): Use rs6000_emit_set_const.
1671 (load_toc_v4_pic_di): Delete.
1673 2001-07-31 Graham Stott <grahams@redhat.com>
1675 * function.c (pad_below): Revert 2001-07-26 patch.
1677 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1679 * reg-stack (convert_regs_1): Fix best edge condition.
1681 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1683 * jump.c (duplicate_loop_exit_test): Better test for jumps
1684 entering the loop; create loop pre_header.
1686 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1688 * doc/install.texi: Add s390 and s390x as new targets.
1689 * doc/invoke.texi: Add documantation of S/390 and zSeries
1691 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1693 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1695 * config/m68k/m68k.md: Replace all general_operand with
1696 nonimmediate_operand for all destinations.
1697 * config/m68k/m68k.c (not_sp_operand): Likewise.
1699 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1701 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1703 2001-07-30 Richard Henderson <rth@redhat.com>
1705 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1706 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1708 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1710 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1711 Add missing doc strings
1712 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1713 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1715 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1717 * i386.c (ix86_output_main_function_alignment_hack): New function.
1718 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1720 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1721 edges by EDGE_DFS_BACK flag.
1722 (dump_edge_info): Add dfs_back flag.
1723 * basic-block.h (EDGE_DFS_BACK): New constant.
1724 (mark_dfs_back_edges): Declare.
1725 * alias.c (loop_p): Remove.
1726 (mark_constant_function): Use mark_dfs_back_edges.
1728 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1729 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1730 (compensate_edge): Break out from ...
1731 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1732 (convert_regs_2): Set block_done once block is really done;
1733 Do updating of the predecesors counts.
1735 * toplev.c (rest_of_compilation): Recompute block_for_insn
1736 before post-reload cfg_cleanup.
1737 * function.c (thread_prologue_epilogue_insns):
1738 Call set_block_for_new_insns when emitting prologue directly.
1740 2001-07-30 Andreas Jaeger <aj@suse.de>
1742 * jump.c: Add prototype for mark_modified_reg.
1744 * cse.c (set_live_p): Add unused attribute.
1746 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1748 (scan_for_source_files): Use long for count to avoid overflow.
1749 (output_data): Likewise.
1750 (output_data): Don't use string concatatenation to silence gcc
1753 * predict.c: Fix typos and grammar.
1755 * gcse.c (insert_insn_end_bb): Remove unused variables.
1757 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1759 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1760 (attempt_auto_inc): LIkewise.
1761 (mark_used_reg): Likewise.
1762 (try_pre_increment_1): Likewise.
1763 * regclass.c (regclass): Likewise.
1764 * global.c (allocno_compare): Update comment; change scaling factor.
1765 * local-alloc.c (QTY_CMP_PRI): Likewise.
1766 * regs.h (REG_FREQ_FROM_BB): New.
1767 (REG_FREQ_MAX): Likewise.
1769 2001-07-30 H.J. Lu <hjl@gnu.org>
1771 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1774 2001-07-30 H.J. Lu (hjl@gnu.org)
1776 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1777 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1778 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1780 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1782 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1783 as -mthumb-interwork when -mcpu=arm7 is specified.
1785 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1787 * predict.def (noreturn, loop branch, loop exit): Mark as first
1790 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1792 * combine.c (try_combine): Avoid barrier after noop jumps.
1794 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1796 * cpphash.h (struct cpp_reader): Remove import_warning.
1797 * cpplib.c (skip_rest_of_line): Don't bother turning off
1799 (parse_include): Move include handling to...
1800 (do_include_common): ... here. Move import warning from...
1801 (do_import): ... here.
1802 (do_pragma_poison): Don't do a callback for poison identifiers.
1803 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1804 * cppmain.c (setup_callbacks): Similarly.
1806 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1808 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1809 handle multiple sets.
1810 * except.c (sjlj_mark_call_sites): .... here.
1811 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1813 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1815 Suggested by Richard Henderson and Richard Kenner:
1816 * combine.c (recog_for_combine): Use the fake recog
1817 only if instruction does not match.
1818 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1819 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1821 * combine.c (try_combine): Discover noop jump as direct jump.
1823 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1825 * df.c (df_rd_global_compute): Add successors to worklist, not
1827 (df_ru_global_compute): Ditto.
1829 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1831 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1832 increment REG_N_SETS.
1834 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1836 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1838 * sbitmap.c (sbitmap_a_xor_b): New function.
1839 ifdef the basic block stuff on IN_GCC.
1841 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1843 * cppexp.c (parse_defined): Always record the macro name.
1844 (lex): Don't worry about identifiers, or special-case
1846 (_cpp_parse_expr): Figure out at the end of the routine
1847 whether we saw a valid !defined() expression.
1848 * cppfiles.c (stack_include_file): Update for mi_valid.
1849 (_cpp_pop_file_buffer): Similarly.
1850 * cpplex.c (_cpp_lex_token): Similarly.
1851 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1852 mi_if_not_defined, mi_lexed): Remove.
1854 * cpplib.c (do_if): Simplify.
1855 (do_endif, push_conditional, _cpp_handle_directive): Update
1856 for renaming of mi_state to mi_valid.
1858 * cpp.texi: Add index entries for digraphs, and add comment
1859 that C++ refers to them as alternative tokens.
1861 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1863 * basic-block.h (CLEANUP_PRE_LOOP): New.
1864 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1865 * sibcall.c (optimize_sibling_calls): Likewise.
1866 * toplev.c (rest_of_compilation): Likewise.
1867 * flow.c (try_forward_edges): Take argument MODE;
1868 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1869 (try_optimize_cfg): Update call of try_forward_edges.
1871 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1872 Jan Hubicka <jh@suse.cz>
1874 * (validate_replace_rtx_1): Fix simplification of MINUS.
1876 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1878 PR preprocessor/3669
1879 * cppinit.c (init_dependency_output): Turn off dump requests
1880 if sending dependencies to stdout.
1882 2001-07-28 Richard Henderson <rth@redhat.com>
1884 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1887 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1889 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1891 2001-07-28 Kazu Hirata <kazu@hxi.com>
1893 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1894 is VAR_DECL first to prevent an ICE.
1896 2001-07-28 Richard Henderson <rth@redhat.com>
1898 * varasm.c (immed_real_const_1): Don't elide special cases for
1900 (clear_const_double_mem): Clear const_tiny_rtx too.
1902 2001-07-28 Richard Henderson <rth@redhat.com>
1904 * dwarf2out.c (dw_val_class_offset): New.
1905 (struct dw_ranges_struct, dw_ranges_ref): New.
1906 (ranges_table, ranges_table_allocated): New.
1907 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1908 (add_AT_offset, add_ranges, output_ranges): New.
1909 (print_die, output_die): Handle dw_val_class_offset.
1910 (attr_checksum, size_of_die, value_format): Likewise.
1911 (gen_lexical_block_die): Handle non-contiguous blocks.
1912 (gen_block_die): Likewise.
1913 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1914 if needed. Dump the ranges table.
1915 * final.c (final_start_function): Remove unnecessary notes and
1916 rebuild the block tree before numbering the blocks.
1917 * function.c (reorder_blocks_0): Walk the existing block tree
1918 to unmark all blocks.
1919 (reorder_blocks_1): Create block fragments when duplicate block
1921 (reorder_fix_fragments): New.
1922 (reorder_blocks): Call it.
1923 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1925 2001-07-28 Richard Henderson <rth@redhat.com>
1927 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1929 2001-07-28 Richard Henderson <rth@redhat.com>
1931 * flow.c (add_to_mem_set_list): New function.
1932 (init_propagate_block_info): Use it.
1933 (mark_set_1): Likewise.
1934 (insn_dead_p): Canonicalize memory address for dead store
1935 comparison. Allow wider mode stores to kill narrower mode stores.
1936 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1937 (invalidate_mems_from_set): Don't handle MEMs.
1939 2001-07-28 Kazu Hirata <kazu@hxi.com>
1941 * config/h8300/h8300.h: Fix formatting.
1943 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1945 * basic-block.h (EDGE_FREQUENCY): New macro.
1946 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1948 * flow.c (find_sub_basic_blocks): Likewise.
1949 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1950 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1952 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1953 (HITRATE): New macro.
1954 (PRED_FLAG_FIRST_MATCH): New constant.
1955 (predictor_info): New field flgags.
1956 (combine_predictions_for_insn): Use DS theory to combine
1957 probabilities; set the edge probabilities when finished.
1958 (estimate_probability): Avoid duplicated matches
1959 of LOOP_BRANCH heuristics for nested loops; update comment.
1960 * predict.def: Add flags for each prediction, set probabilities
1961 according to B&L paper.
1962 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1964 * profile.c (compute_branch_probabilities): Cleanup way the edge
1965 probabilities are computed and REG_BR_PROB notes are dropped; if
1966 values does not match, emit error.
1967 (init_branch_prob): Do error instead of warning when profile driven
1968 feedback is missing or corrupt.
1970 2001-07-27 DJ Delorie <dj@redhat.com>
1972 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1973 against a constant, try to adjust the compare to have the desired
1974 constant in it so that min/max optimizations happen more often.
1976 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1978 * flow.c (last_loop_beg_note): New function.
1979 (redirect_edge_and_branch): Use it.
1980 (split_edge): Likewise.
1982 * alias.c (loop_p): Avoid uninitialized memory access.
1984 * flow.c (try_forward_edges): Avoid accessing freed memory.
1986 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1989 2001-07-26 Andrew Haley <aph@redhat.com>
1990 Joern Rennecke <amylaar@redhat.com>
1992 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
1993 (SUBTARGET_CPP_ENDIAN_SPEC): New.
1994 (SUBTARGET_CPP_SPEC): New.
1996 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
1997 (SUBTARGET_CPP_PTR_SPEC): New.
1998 (CPP_DEFAULT_CPU_SPEC): New.
1999 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2000 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2001 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2002 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2003 (SUBTARGET_CPP_SPEC): Define as an empty string.
2005 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2007 * doc/install.texi (Configuration): Properly link the host
2008 specific instructions also when generating HTML.
2010 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2012 * flow.c (redirect_edge_and_branch_force): Test
2013 target->global_live_at_start.
2015 2001-07-26 Richard Henderson <rth@redhat.com>
2017 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2018 * rtl.h (avoid_constant_pool_reference): Declare it.
2019 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2020 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2022 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2024 * rtl.h (cleanup_barriers): Declare.
2025 * jump.c (cleanup_barriers): New function.
2026 * toplev.c (rest_of_compilation): Call cleanup_barriers
2027 before loop optimizer and after bb_reorder.
2029 * flow.c (back_edge_of_syntactic_loop_p): New.
2030 (split_edge): Use it.
2032 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2034 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2036 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2038 * cse.c (cse_process_notes): Replace any registers if the address
2041 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2043 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2044 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2045 (propagate_block): Update prototype.
2046 * flow.c (update_life_info): Simplify the CFG and
2047 recalculate the global regs which are alive when
2048 removing dead code during a global update.
2049 (propagate_block): Return non-zero if an INSN is
2052 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2054 * Makefile.in (LIBICONV): Define.
2056 2001-07-26 Catherine Moore <clm@redhat.com>
2058 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2059 of conditional to avoid tree checking errors.
2061 2001-07-26 Kazu Hirata <kazu@hxi.com>
2063 * regmove.c (regmove_optimize): Don't replace a reg with
2064 another reg of a different mode.
2066 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2068 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2069 limit length of dependancy flush list.
2070 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2071 * sched-int.h (struct deps): Add pending_flush_length field.
2072 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2073 has 1 element in it.
2074 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2075 (sched_analyze): After a jump, if the pending memory flush list is too
2076 large, flush the pending lists.
2077 (init_deps): Initialize pending_flush_length to 0.
2078 * doc/invoke.texi (max_pending_list_length): Document parameter.
2080 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2082 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2083 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2084 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2086 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2088 * cpphash.h (struct_lexer_state): Delete was_skipping.
2089 Move skipping here from struct cpp_reader.
2090 * cpplex.c (parse_identifier): Update.
2091 (_cpp_lex_token): Don't skip tokens in a directive.
2092 * cpplib.c (struct if_stack): Update.
2093 (start_directive, end_directive): Don't change skipping state.
2094 (_cpp_handle_directive): Update.
2095 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2096 (do_else, do_endif): Update; only check for excess tokens if not
2097 in a skipped conditional block.
2098 (push_conditional): Update for new struct if_stack.
2100 2001-07-26 Graham Stott <grahams@redhat.com>
2102 * function.c (locate_and_pad_parm): Also pad initial offset
2103 so that the total argument size also includes the padding.
2105 2001-07-26 Graham Stott <grahams@redhat.com>
2107 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2108 change XSTR to XTMPL.
2110 (process_one_cond_exec): Likewise
2112 2001-07-25 Richard Henderson <rth@redhat.com>
2114 * varasm.c (assemble_variable): Create DECL_RTL before setting
2117 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2119 * predict.c (estimate_probability): Avoid duplicated predictions.
2121 * loop.c (find_and_verify_loops): Grok multiple barriers.
2123 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2125 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2127 * dbxout.c: Consistently use putc instead of fputc.
2128 (print_wide_int): New function; call instead of direct fprintf.
2129 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2130 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2131 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2132 (print_int_cst_octal): Likewise.
2133 (print_octal): Show we wrote characters.
2134 (dbxout_type): Set have_used_extensions in more places.
2136 2001-07-25 Catherine Moore <clm@redhat.com>
2138 * config/v850/v850.c (v850_va_arg): Use addr
2139 instead of valist to build incr.
2141 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2143 * flow.c (delete_dead_jumptables): New function.
2144 (life_analyzis): Call it.
2145 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2148 2001-07-25 Richard Henderson <rth@redhat.com>
2150 * except.c (reachable_handlers): Handle a region being removed
2151 out from under a RESX.
2153 2001-07-25 Richard Henderson <rth@redhat.com>
2155 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2156 swap GE/GT if it is an fp comparison.
2158 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2160 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2163 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2165 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2166 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2169 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2171 (visit_expression): When attempting to simplify an expression,
2172 retrieve any modes for arguments before they are simplified
2175 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2176 Janis Johnson <janis@us.ibm.com>
2178 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2179 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2180 pointer parameters to match documented usage of nonlocal_goto.
2181 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2182 parameters to their correct order.
2183 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2184 parameters to their correct order.
2186 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2188 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2190 2001-07-25 Jan Hubicka <jh@suse.cz>
2191 Richard Henderson <rth@redhat.com>
2193 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2195 (make_edges): New argument update_p; populate the edge cache if set.
2196 (find_basic_blocks): Update make_edges invocation.
2198 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2200 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2202 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2204 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2205 -Acpu and -Amachine.h.
2206 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2207 Corrected header to say ELF not a.out.
2208 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2209 when given -msoft-float.
2211 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2213 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2214 extra multilib parts like arm-elf.
2215 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2216 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2217 crtfini.o as extra multilib parts.
2219 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2221 * configure.in: Add rtems as a supported thread model.
2222 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2223 * configure: Rebuilt.
2225 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2227 * stor-layout.c (get_mode_alignment): make it work when
2228 BITS_PER_UNIT is not a power of two.
2229 * builtins.c (get_pointer_alignment): Likewise.
2231 2001-07-24 Richard Henderson <rth@redhat.com>
2233 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2234 the retrieved constant into the expected mode.
2236 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2238 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2239 (verify_flow_info): Check for duplicated edges; clarify
2242 * flow.c (block_label): Update basic_block_for_insn.
2243 (commit_edge_insertions): Call compute_bb_for_insn.
2245 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2248 * flow.c (redirect_edge_and_branch,
2249 try_optimize_cfg): Use redirect_edge_succ_nodup
2250 (redirect_edge_succ_nodup): New.
2251 * basic_block.h (redirect_edge_succ_nodup): Declare.
2253 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2256 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2258 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2259 (try_crossjump_to_edge): Update commetns.
2260 (try_crossjump_bb): Likewise.
2262 2001-07-24 Richard Henderson <rth@redhat.com>
2264 * combine.c (distribute_notes): Move set of need_refresh
2265 for noop_move_p down to catch all cases.
2267 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2269 * recog.c (split_all_insns_noflow): New.
2270 * rtl.h (split_all_insns_noflow): Declare.
2271 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2272 * m68hc11.c (m68hc11_reorg): Likewise.
2273 * sh.c (machine_dependent_reorg): Likewise.
2274 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2277 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2279 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2280 (ashlsi3_n splitter): Likewise.
2281 (lshrsi3_n splitter): Likewise.
2283 (GOTaddr2picreg): Make const SImode.
2284 (sym_label2reg): Likewise.
2285 (symGOT2reg): Likewise.
2286 (symGOTOFF2reg) Likewise.
2288 (casesi_worker_0): Make unspec SImode.
2290 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2292 * config/sh/sh.c (barrier_align): Check that an operand really is
2293 an insn before extracting its INSN_CODE.
2295 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2297 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2300 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2301 for SImode to prevent overflow.
2303 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2305 * config/mips/irix6-libc-compat.c: New file.
2306 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2307 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2310 2001-07-24 lars brinkhoff <lars@nocrew.org>
2312 * rtl.texi (REG_POINTER): Document.
2313 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2314 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2316 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2318 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2320 2001-07-23 Richard Henderson <rth@redhat.com>
2322 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2324 2001-07-23 Kazu Hirata <kazu@hxi.com>
2326 * config/h8300/h8300-protos.h: Add a prototype for
2327 general_operand_dst_push.
2328 * config/h8300/h8300.c (general_operand_dst_push): New.
2329 * config/h8300/h8300.h (OK_FOR_T): New.
2330 (EXTRA_CONSTRAINT): Use it.
2331 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2332 the existing movqi pattern.
2333 (movhi_push): Likewise.
2335 * reload.c: Fix comment typos.
2337 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2339 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2341 2001-07-23 H.J. Lu (hjl@gnu.org)
2343 * doc/extend.texi: Update __builtin_return_address and
2344 __builtin_frame_address.
2346 2001-07-23 Richard Henderson <rth@redhat.com>
2348 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2350 * config/i386/i386.md: New setcc+movzbl peephole2.
2352 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2354 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2355 * objc/objc-act.c: Include debug.h.
2356 (synth_module_prologue): Save and restore debug hooks too.
2358 2001-07-23 lars brinkhoff <lars@nocrew.org>
2360 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2361 and C4X_FLOAT_FORMAT.
2362 (BOOL_TYPE_SIZE): Document.
2364 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2366 * unroll.c (loop_iterations): Fix miscalculation of initial
2369 2001-07-13 Andrew Haley <aph@redhat.com>
2371 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2372 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2373 * config/sh/sh.c (sh_can_redirect_branch): New function.
2374 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2375 * reorg.c (steal_delay_list_from_target): Use
2376 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2378 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2380 * flow.c (try_simplify_condjump): Unlink insn chain on
2381 fallthru edge; use can_fallthru.
2383 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2385 * basic-block.h (find_sub_basic_block): Declare.
2386 * flow.c (make_edges): New arguments MIN and MAX;
2387 (find_sub_basic_blocks): Revamp to use make_edges
2388 and purge_dead_edges.
2389 (find_basic_blocks): Update call of find_sub_basic_block.
2391 * recog.c (split_all_insns): Always expect CFG to be consistent;
2392 call find_sub_basic_blocks in case something has changed.
2393 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2396 * basic-block.h (delete_noop_moves): Declare.
2397 * combine.c (combine_instructions): Call it.
2398 (recog_for_combine): Tolerate noop moves
2399 (distribute_notes): Force refresh when register dies at noop move.
2400 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2402 (life_analysis): Update delete_noop_moves call.
2403 (set_noop_p): Move too ...
2404 * rtlanal.c (noop_move_p): ... here.
2405 * rtl.h (noop_move_p): Declare.
2407 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2408 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2410 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2411 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2413 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2415 * reload.c (push_reload): Fix typo in comment.
2416 (find_reloads_address): Ditto.
2417 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2419 2001-07-22 Richard Henderson <rth@redhat.com>
2421 * flow.c: Grammar check and clarify a lot of comments.
2422 (try_simplify_condjump): Rename variables to be clearer.
2423 (try_forward_edges): Skip complex and fallthru edges.
2424 Rearrange tests to avoid duplicate checks.
2425 (flow_find_cross_jump): Likewise.
2426 (outgoing_edges_match): Allow match if neither branch has
2427 probability data. Loosen probability match to 5%.
2428 (try_crossjump_to_edge): Hoist repeated indirection into
2430 (try_crossjump_bb): Don't check complex edges. Eliminate
2431 redundant crossjump tests.
2432 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2433 checks before more expensive checks.
2435 2001-07-22 Richard Henderson <rth@redhat.com>
2437 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2438 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2441 2001-07-22 Richard Henderson <rth@redhat.com>
2443 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2444 (const_sint32_operand): Likewise.
2445 * m68k.md (anon mulsi pattern): Use const_int_operand not
2446 const_sint32_operand.
2447 (umulsi3_highpart): Zero extend a constant input.
2448 (smulsi3_highpart): Don't bother checking SImode constant.
2449 (const_umulsi3_highpart): Give op3 DImode.
2450 (const_smulsi3_highpart): Likewise.
2452 2001-07-22 Richard Henderson <rth@redhat.com>
2454 * flow.c (split_block): Make sure bb_note is included in the
2455 new block when splitting before a label.
2457 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2459 * basic-block.h (redirect_edge_and_branch_force,
2460 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2461 * flow.c (redirect_edge_and_branch_force,
2462 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2463 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2464 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2465 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2466 instead of label; update CFG after transformation.
2467 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2468 for finishing the transformation; handle even case where ELSE
2469 does not follow THEN.
2470 (find_if_case_2): Update call of dead_or_predictable; simplify
2473 * emit-rtl.c (split_branch_probability): New global variable.
2474 (try_split): Take care to set split_branch_probability and
2475 create REG_BR_PROB note for new jump insns.
2476 * md.texi (define_split): Document new feature.
2478 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2480 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2482 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2483 (asm_out_file): Remove redundant declaration.
2484 (assemble_asm): Remove old #if 0 block.
2485 (assemble_variable): Remove end of function; debug output is
2486 now handled with global_decl. Remove old #if 0 block. Update.
2487 Remove saved_in_section and associated no-op code.
2488 * Makefile.in (varasm.o): Correct dependencies.
2490 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2492 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2493 the definition in defaults.h.
2495 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2497 * jump.c: Update comments.
2498 (delete_barrier_successors, delete_unreferenced_labels,
2499 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2500 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2501 jump_optimize, jump_optimize_minimal): Kill.
2502 (rebuild_jump_labels): Move code from jump_optimize_1.
2503 (purge_line_number_notes): Likewise.
2504 (copy_loop_headers): Likewise.
2505 * reg-stack.c: Update comment.
2507 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2508 JUMP_AFTER_REGSCAN): Kill.
2509 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2510 purge_line_number_notes and copy_loop_headers.
2512 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2513 Richard Henderson <rth@redhat.com>
2515 * dbxout.c (dbxout_global_decl): New.
2516 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2517 * sdbout.c (sdbout_finish): New.
2518 (sdbout_debug_hooks): Use it, add comments.
2519 (sdbout_global_decl): Defer initialised public vars to
2521 * varasm.c (assemble_variable): Don't output debug information
2522 for file-scope variables.
2524 2001-07-22 Richard Henderson <rth@redhat.com>
2526 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2527 (get_round_mode_suffix): New.
2528 (print_operand): Use them for [/]. Remove support for [&'`()+].
2529 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2530 * config/alpha/alpha.md (attr round_suffix): New.
2531 (attr trap_suffix): New.
2532 (all insns): Set them appropriately. Use %/ instead of the
2535 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2537 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2539 2001-07-22 Richard Henderson <rth@redhat.com>
2541 * regrename.c (regrename_optimize): Compute nregs for each
2542 potential target register.
2544 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2545 Richard Henderson <rth@redhat.com>
2547 * dbxout.c (dbxout_global_decl): New.
2548 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2549 * sdbout.c (sdbout_finish): New.
2550 (sdbout_debug_hooks): Use it, add comments.
2551 (sdbout_global_decl): Defer initialised public vars to
2553 * varasm.c (assemble_variable): Don't output debug information
2554 for file-scope variables.
2556 2001-07-21 H.J. Lu (hjl@gnu.org)
2558 * config/mips/mips.c (mips_cpu): Moved into ...
2559 (override_options): Here.
2561 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2563 (mips_cpu): Removed.
2565 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2567 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2568 ("iorqi3"): Likewise.
2569 ("xorqi3"): Likewise.
2570 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2571 ("*subhi3_sp): Likewise.
2572 ("*subhi3"): Likewise.
2573 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2576 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2578 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2579 * config/freebsd.h: Likewise.
2580 * config/linux.h: Likewise.
2581 * config/openbsd.h: Likewise.
2582 * config/alpha/linux-elf.h: Likewise.
2583 * config/arm/linux-elf.h: Likewise.
2584 * config/d30v/d30v.h: Likewise.
2585 * config/fr30/fr30.h: Likewise.
2586 * config/ia64/aix.h: Likewise.
2587 * config/ia64/ia64.h: Likewise.
2588 * config/mips/linux.h: Likewise.
2589 * config/pj/pj.h: Likewise.
2590 * config/rs6000/linux.h: Likewise.
2591 * config/sparc/linux.h: Likewise.
2592 * config/sparc/linux64.h: Likewise.
2594 2001-07-20 Bruce Korb <bkorb@gnu.org>
2596 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2597 because getc() and char* may disagree on signedness.
2599 2001-07-20 Richard Henderson <rth@redhat.com>
2601 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2603 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2604 insns to delete in the presence of cc0 in a jump insn.
2606 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2607 Jan Hubicka <jh@suse.cz>
2609 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2610 of doing the change by hand.
2612 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2614 * rtlanal.c (set_noop_p): Return true for noop jumps.
2616 * expr.c (emit_single_push_insn): Add call to push expander.
2617 * expr.h (optab_index): Add OTI_push
2618 (push_optab): New constant.
2619 * genopinit.c (optabs): Add push_optab.
2620 * optabs.c (init_optab): Init push optab.
2621 * md.texi (push??1): Document
2623 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2625 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2626 expand to emit the pattern; put a REG_INC note for push/pop
2628 ("movdf", "movdf_internal"): Likewise.
2629 ("movsi", "movsi_internal"): Likewise.
2630 ("movsf", "movsf_internal"): Likewise.
2631 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2633 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2635 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2638 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2640 * params.def: Change default max inline insns to 100.
2642 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2644 * combine.c (combine_simplify_rtx): Generate a new shift operation
2645 when simplifying the first operand of a (neg (ashift)) expression.
2647 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2649 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2651 2001-07-20 Kelley Cook <kelley.cook@home.com>
2653 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2654 information. Move rest into ...
2655 (*-*-solaris): ... here. Eliminate redundant information and
2656 reword necessary packages section. Delete 4.x assembler bug info.
2657 (sparc-sun-*): Merge into ...
2658 (sparc-sun-sunos*): here.
2660 2001-07-20 Catherine Moore <clm@redhat.com>
2662 * config/v850/v850.md (casesi): Generate LABEL_REF
2665 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2667 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2668 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2669 * i386.md (strclrsi expander): Use it.
2671 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2673 * integrate.c (copy_insn_list): handle
2674 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2675 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2676 identically as to CODE_LABEL.
2678 * fold-const (fold): Convert A/B/C to A/(B*C) and
2681 * except.c (connect_post_landing_pads): Delete the RESX insns.
2683 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2685 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2687 * config/mips/mips.md (nmadd/nmsub): Use macro.
2689 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2691 * cppinit.c (remove_dup_dir): Make static.
2692 (remove_dup_dirs): Make static. Only warn about preempting a
2693 system directory with a non-system directory.
2695 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2697 * ifcvt.c (noce_try_store_flag_constants): Correct order
2698 of parameters to trunc_int_for_mode.
2700 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2702 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2703 an exception that will be caught within this function, do not fill
2704 its delay slot with any subsequent instruction.
2706 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2708 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2709 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2710 pointer extension instruction.
2711 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2712 * simplify-rtx.c (simplify_unary_operation) Likewise.
2713 * explow.c (convert_memory_address) Check value of
2714 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2716 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2717 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2718 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2719 Add Multilib Support.
2720 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2721 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2722 Add Multilib Support.
2723 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2725 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2726 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2727 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2729 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2731 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2732 old and new operands in `<', `3' and `b'.
2734 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2736 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2737 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2738 (toplev.o): Don't depend on xcoffout.h.
2739 * c-decl.c: Include debug.h
2740 (duplicate_decls): Use debug hook.
2741 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2742 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2743 (dbxout_types): Remove.
2744 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2745 * debug.c (do_nothing_debug_hooks): Update.
2746 (debug_true_tree, debug_nothing_rtx): New.
2747 * debug.h (struct rtx_def): New.
2748 (struct gcc_debug_hooks): New hooks ignore_block,
2749 outlining_inline_function and label.
2750 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2751 dwarf2out_frame_finish): New.
2752 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2753 Make static, update prototype.
2754 (dwarf2_debug_hooks): Update.
2755 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2756 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2757 * dwarfout.c (dwarf_debug_hooks): Update.
2758 * emit-rtl.c: Include debug.h.
2759 (remove_unnecessary_notes): Use debug hook.
2760 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2761 (final_scan_insn): Use debug hook.
2762 * integrate.c (output_inline_function): Use debug hook.
2763 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2764 (sdb_debug_hooks): Update.
2765 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2766 * toplev.c: Don't include xcoffout.h.
2767 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2768 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2770 * tree.h (dwarf2out_do_frame): Remove.
2772 2001-07-19 Catherine Moore <clm@cygnus.com>
2774 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2776 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2778 * reload1.c (eliminate_regs_in_insn): When updating a set
2779 to the frame pointer to the hardware frame pointer, perform
2780 the update always not just when REPLACE is set.
2782 * reload1.c (choose_reload_regs): Don't inherit a reload
2783 that crosses multiple registers if registers past the first
2784 don't fit in the desired class.
2786 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2787 when negating constants.
2789 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2791 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2792 * doc/tree.texi: Ditto.
2794 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2795 Jakub Jelinek <jakub@redhat.com>
2797 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2798 (extract_cie_info): Handle "eh" augmentation properly,
2800 (struct frame_state, __frame_state_for): New.
2802 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2804 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2805 HANDLE_SYSV_PRAGMA): Define.
2806 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2808 (copy_object): Caller changed.
2810 2001-07-19 Andreas Schwab <schwab@suse.de>
2812 * configure.in (assembler dwarf2 debug_line support): Define nop
2814 * configure: Regenerated.
2816 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2818 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2820 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2821 to conditionally compiled block.
2822 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2823 * dbxout.h (dbxout_function): Remove.
2824 * debug.c (do_nothing_debug_hooks): Update.
2825 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2826 global_decl, deferred_inline_function.
2827 * dwarf2out.c (dwarf2_debug_hooks): Update.
2828 (dwarf2out_global_decl): New.
2829 * dwarfout.c: Don't include dwarfout.h.
2830 (dwarfout_global_decl, dwarfout_function_decl,
2831 dwarfout_deferred_inline_function): New.
2832 (dwarf_debug_hooks): Update.
2833 * dwarfout.h: Remove.
2834 * final.c: Don't include dwarfout.h.
2835 * sdbout.c (sdbout_global_decl): New.
2836 (sdbout_debug_hooks): Update.
2837 * toplev.c: Don't include dwarfout.h.
2838 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2839 (note_deferral_of_defined_inline_function): Remove.
2840 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2841 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2842 * ch/lex.c: Don't include dwarfout.h.
2843 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2844 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2845 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2846 * cp/optimize.c: Include debug.h.
2847 (maybe_clone_body): Use debug hook.
2848 * cp/semantics.c: Include debug.h.
2849 (expand_body): Use debug hook.
2850 * po/POTFILES.in: Remove dwarfout.h.
2852 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2854 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2855 * c-parse.in (yyerror, _yylex): Similarly.
2856 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2857 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2859 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2860 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2862 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2864 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2865 in-class declaration at -g1. Fixes c++/2814.
2867 2001-07-18 Richard Henderson <rth@redhat.com>
2869 * doc/md.texi (reload_in/out): Document restrictions in predicates
2870 and constraints for these patterns. Document empty string matching
2873 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2875 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2877 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2879 * cse.c: Undo my previous patch.
2881 2001-07-18 Tom Tromey <tromey@redhat.com>
2884 * configure: Rebuilt.
2885 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2887 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2889 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2890 Jan Hubicka <jh@suse.cz>
2892 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2893 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2894 * jump.c (mark_jump_label): Do not forward branches.
2896 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2898 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2899 when return value is unused.
2901 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2903 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2905 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2907 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2908 on error. We can't blindly return the result of
2909 pthread_mutex_trylock because it returns a positive number on
2910 error, while we must return -1 on error.
2911 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2913 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2915 2001-07-18 Andreas Jaeger <aj@suse.de>
2917 * integrate.c (output_inline_function): Correct type of debug_hooks.
2919 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2921 * combine.c (combine_simplify_rtx): DIV can be treated
2922 associatively for floats if unsafe math optimisations are enabled.
2924 2001-07-17 Richard Henderson <rth@redhat.com>
2926 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2928 2001-07-17 Richard Henderson <rth@redhat.com>
2930 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2931 don't force the function address into a register.
2932 (expand_call, emit_library_call_value_1): Update callers.
2933 * builtins.c (expand_builtin_apply): Likewise.
2934 * expr.h (prepare_call_address): Update decl.
2936 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2938 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2940 * config/i386/chorus.h: Move up.
2941 * config/sparc/chorus.h: Likewise.
2942 * config/rs6000/chorus.h: Likewise.
2943 * config/chorus.h: Moved here.
2945 2001-07-17 Andreas Schwab <schwab@suse.de>
2947 * configure.in (assembler eh_frame optimization): Handle big
2949 * configure: Regenerated.
2951 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2953 * expr.c (epxand_expr): Convert divisions into multiplications by
2954 reciprocals if -ffast-math.
2956 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2958 * dbxout.c (dbxout_really_begin_function): Rename to
2959 dbxout_begin_function.
2960 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2961 (dbxout_begin_function): Remove.
2962 (dbxout_function): Update.
2963 (dbxout_source_line): Update prototype.
2964 * dbxout.h (dbxout_begin_function): Remove.
2965 * debug.c (do_nothing_debug_hooks): Update.
2966 (debug_nothing_tree): Update.
2967 (debug_nothing_charstar_rtx): Remove.
2968 * debug.h (union tree_node): Declare.
2969 (struct rtx_def): Remove.
2970 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2971 begin_function. Change source_line prototype.
2972 (debug_nothing_tree): New.
2973 (debug_nothing_charstar_rtx): Delete.
2974 (dwarf2out_begin_prologue): Moved from ...
2976 * dwarf2out.c (dwarf2_debug_hooks): Update.
2977 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2978 debug info, call dwarf2out_source_line.
2979 (dwarf2out_souce_line): Update prototype.
2980 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2981 Change prototype, make static.
2982 (dwarfout_source_line): Update prototype.
2983 (dwarf_debug_hooks): Update.
2984 * dwarfout.h (dwarfout_begin_function): Remove.
2985 * final.c (final_start_function, final_scan_insn): Use appropriate
2986 debug hooks, update to use notice_source_line.
2987 (output_source_line): Rename notice_source_line. Don't call the
2988 source_line debug hook.
2989 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2990 make static, update prototype.
2991 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2993 (sdbout_end_prologue): New.
2994 (sdbout_source_line): Update prototype.
2995 (sdbout_debug_hooks): Update.
2996 (sdbout_symbol): Remove unused var.
2997 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2999 * varasm.c: Include debug.h.
3000 (assemble_start_function): Use begin_function debug_hook.
3001 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3002 update with prototype.
3003 (xcoffout_source_line): Update prototype.
3004 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3006 (xcoffout_source_line): Update prototype.
3008 2001-07-17 Richard Henderson <rth@redhat.com>
3010 * c-typeck.c (build_binary_op): Do not shorten unsigned
3011 right shift after sign extension.
3013 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3015 * combine.c (combine_simplify_rtx): Attempt to simplify
3016 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3018 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3019 (simplify_binary_operation, simplify_unary_operation,
3020 simplify_relational_operation): Use it.
3022 * combine.c (combine_simplify_rtx): Don't do associative law
3023 on divisions; allow associative law on floats.
3025 2001-07-17 H.J. Lu <hjl@gnu.org>
3026 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3028 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3029 ASM_OUTPUT_WEAK_ALIAS are defined.
3030 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3031 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3033 * config/mips/iris5.h: ... here.
3034 (HANDLE_SYSV_PRAGMA): Defined as 1.
3035 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3036 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3039 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3041 * c-parse.in (all_prefix_attributes): New variable.
3042 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3043 (maybe_resetattrs): New production.
3044 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3045 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3046 notype_initdcl, nested_function, notype_nested_function,
3047 component_decl, components, components_notype,
3048 component_declarator, component_notype_declarator,
3049 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3050 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3051 after a comma being applied to more than one declarator.
3052 * doc/extend.texi (Attribute Syntax): Update. Remove
3053 documentation of bugs that are no longer present.
3055 2001-07-13 Eric Christopher <echristo@redhat.com>
3057 * config/mips/mips.h: Change TUNE_MIPS* options to use
3059 (EXTRA_SPECS): Add cc1_cpu_spec.
3060 * config/mips/mips.md (muldf3): Fix typo.
3062 2001-07-16 Richard Henderson <rth@redhat.com>
3064 * config/m68k/m68k.c: Include expr.h and reload.h.
3065 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3066 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3068 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3069 Richard Henderson <rth@redhat.com>
3071 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3072 (insn_live_p): Fix fall off end of function.
3073 (dead_libcall_p): Remove COUNTS argument; update callers.
3074 (delete_trivially_dead_insns): Remove unused variables.
3076 2001-07-17 Andreas Jaeger <aj@suse.de>
3078 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3081 * lcm.c (optimize_mode_switching): Avoid warning for unused
3082 variable if !NORMAL_MODE.
3084 * flow.c (try_crossjump_to_edge): Remove unused variable.
3086 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3088 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3089 atexit declaration in stdlib.h.
3091 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3093 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3095 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3097 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3098 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3099 do rebuild_jump_labels instead of jump_optimize
3100 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3101 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3102 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3104 * flow.c: Include timevar.h
3105 (find_basic_block): Push/pop timevar;
3106 (cleanup_cfg): Likewise.
3107 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3108 * Makefile: Add dependencies on timevar.h
3110 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3111 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3113 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3114 * toplev.c (rest_of_compilation): Update calls.
3115 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3116 (delete_trivially_dead_insns): ... here; accept new argument
3117 preserve_basic_blocks; preserve basic blocks if set.
3119 * reg-stack.c (stack_regs_mentioned): Return 0 if
3120 stack_regs_mentioned_data is not initialized.
3121 (reg_to_stack): Make stack_regs_mentioned survive after the
3122 reg-stack is completted; do not call cleanup_cfg.
3123 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3124 make cleanup_cfg after bb-reorder to output to debug file.
3126 2001-07-16 Richard Henderson <rth@redhat.com>
3128 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3129 from int_reg_class_contents.
3131 2001-07-16 Richard Henderson <rth@redhat.com>
3133 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3134 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3135 (init_reg_sets_1): Move initialization from cse_main.
3136 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3137 (cse_main): Move its initialization also.
3138 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3139 * flow.c (propagate_one_insn): Likewise.
3140 * gcse.c (compute_hash_table): Likewise.
3141 (compute_kill_rd, compute_store_table): Likewise.
3142 * sched-deps.c (sched_analyze_1): Likewise.
3144 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3146 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3149 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3151 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3152 in if statement so we don't access undefined memory.
3154 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3156 * gcse.c: Update comment at top.
3157 Update comment on mem handling.
3158 mem_last_set, mem_first_set, mem_set_in_block: gone.
3159 Declaration of reg_set_info: gone.
3160 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3161 pointless with load_killed_in_block_p (they are *more*
3162 conservative then it, not less, and less accurate).
3163 (oprs_not_set_p): Ditto.
3164 (alloc_gcse_mem): Don't allocate mem_set_in_block
3165 (free_gcse_mem): Don't free it, either.
3166 (record_last_mem_set_info): Update comment in front, remove
3167 mem_*set_* stuff. Note the reason we don't handle stores directly
3169 (compute_hash_table): Update comments to reflect reality. Remove
3170 mem_*set_* references.
3171 (reset_opr_set_tables): Remove mem_*set_* references.
3173 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3174 (mark_clobber): Ditto (on both parts, we double set here too).
3175 (expr_killed_p): Remove mem_set_in_block test.
3176 (compute_transp): Remove mem_set_in_block test.
3178 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3179 of edge, and removal of phi alternative to dump file.
3180 (ssa_ccp_substitute_constants): Add note about register now being
3181 constant, and which uses were replaced in what insns to dump file.
3183 2001-07-16 Andreas Jaeger <aj@suse.de>
3185 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3186 variables of type HOST_WIDEST_INT.
3188 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3189 (__bb_exit_func): Correct type of count_max to avoid overflow.
3190 (num_digits): Handle long long argument.
3192 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3194 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3196 * output.h (sdb_begin_function_line): Restore as an extern
3198 * sdbout.c (sdb_begin_function_line): Make extern.
3200 2001-07-15 Richard Henderson <rth@redhat.com>
3202 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3203 * genrecog.c (maybe_both_true_mode): New.
3204 (maybe_both_true_2): Use it.
3205 (write_switch): Don't put Pmode in a switch.
3206 * rtl.c (mode arrays): Don't explicitly size them.
3208 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3210 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3211 handling; move unconditional splitting before mode switching.
3213 * i386.md (type): Add fistp type.
3214 (i387, length_attr, scheduling definitions): Handle this type.
3215 (fix_trunc?f?i2): Revamp to use mode switching.
3216 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3217 * i386.h (fp_cw_mode): New enum
3218 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3219 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3221 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3223 * Makefile.in (integrate.o): Add debug.h.
3224 * integrate.c (debug.h): Add.
3225 (output_inline_function): Save, reset, and restore debug_hooks.
3227 2001-07-15 Richard Henderson <rth@redhat.com>
3229 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3230 instead of COMPARE for the EQUIV expression.
3232 2001-07-15 Richard Henderson <rth@redhat.com>
3234 * flow.c (redirect_edge_and_branch_force): Initialize
3235 global_live_at_start and global_live_at_end.
3236 (allocate_bb_life_data): Export.
3237 * basic-block.h (allocate_bb_life_data): Declare.
3238 * toplev.c (rest_of_compilation): Call it.
3240 2001-07-15 Richard Henderson <rth@redhat.com>
3242 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3243 (alpha_tablejump_best_label): New.
3244 * config/alpha/alpha-protos.h: Declare them.
3245 * config/alpha/alpha.md: Use braced strings for code blocks.
3246 (tablejump_osf): Break out add with r29.
3247 (tablejump_osf_internal): Remove.
3248 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3249 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3251 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3253 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3256 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3258 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3259 (ix86_fp_jump_nontrivial_p): New.
3260 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3261 use ix86_fp_jump_nontrivial_p.
3262 * i386.c (ix86_fp_jump_nontrivial_p): New.
3263 (ix86_split_fp_branch): Accept code instead of rtx.
3264 (ix86_expand_compare): Expand comparison early in case
3265 doing so is resonably cheap.
3267 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3269 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3271 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3272 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3274 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3276 * dbxout.c (dbxout_source_line): Make static, update prototype.
3277 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3278 (dbxout_init, dbxout_finish, dbxout_source_line,
3279 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3280 * dbxout.h (dbxout_source_line): Delete.
3281 * debug.c (debug_nothing_file, debug_nothing_file_int,
3282 debug_nothing_file_charstar_rtx): New.
3283 (do_nothing_debug_hooks): Update.
3284 (debug_nothing_void, debug_nothing_charstar_rtx,
3285 dwarf2out_end_epilogue): New.
3286 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3287 * debug.h (struct rtx_def): Declare.
3288 (gcc_debug_hooks): New hooks source_line, end_epilogue
3290 (debug_nothing_void, debug_nothing_charstar_rtx,
3291 dwarf2out_end_epilogue): New.
3292 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3293 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3294 (dwarf2_debug_hooks): Update.
3295 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3296 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3297 * dwarf2out.h (dwarf2out_source_line): Remove.
3298 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3299 Make static, update prototype.
3300 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3301 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3302 (dwarf_debug_hooks): Update.
3303 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3304 dwarfout_end_function): Remove.
3305 * final.c (profile_function): Use debug hooks for ending functions
3307 (output_source_line, final_end_function): Update prototype,
3309 (final_start_function, final_scan_insn): Update.
3310 * output.h (sdb_begin_function_line): Remove.
3311 (final_end_function): Update prototype.
3312 * sdbout.c (sdb_begin_function_line): Make static.
3313 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3314 (sdbout_source_line): New.
3315 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3317 (sdb_debug_hooks): Update.
3318 (sdbout_init, sdbout_source_line,
3319 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3320 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3321 * toplev.c (compile_file, rest_of_compilation): Update.
3322 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3323 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3324 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3325 Update for prototype changes.
3326 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3327 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3329 2001-07-15 Richard Henderson <rth@redhat.com>
3331 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3332 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3333 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3334 * config/alpha/alpha.c: Likewise.
3335 * config/alpha/alpha.md: Likewise.
3336 * config/alpha/alpha32.h: Likewise.
3337 * config/alpha/vms.h: Likewise.
3340 2001-07-14 Richard Henderson <rth@redhat.com>
3342 * config/alpha/alpha.md: Use define_constants for unspec values.
3343 Substitute throughout.
3345 2001-07-14 Tim Josling <tej@melbpc.org.au>
3347 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3349 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3351 * pa.md: Remove unused constraints from define_split's.
3353 2001-04-14 Richard Henderson <rth@redhat.com>
3355 * ifcvt.c (find_cond_trap): Test for exit block.
3357 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3359 Re-install recently reverted patch.
3360 * emit-rtl.c (try_split): Update mark_jump_label call.
3361 * flow.c (find_sub_basic_blocks): Likewise.
3362 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3364 (mark_all_labels): Kill second parameter.
3365 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3366 (rebuild_jump_labels, jump_optimize_minimal): Update call
3368 (jump_optimize_1): Kill crossjumping code.
3369 (mark_jump_label): Kill cross_jump parameter.
3370 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3371 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3372 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3374 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3376 (dump_file_info): Likewise.
3377 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3378 reorganize passes to do reg-stack first, bb-reorder second.
3379 * invoke.texi (-d letters doc): Remove the jump2 pass.
3381 2001-07-14 Richard Henderson <rth@redhat.com>
3383 * ifcvt.c (find_cond_trap): New.
3384 (find_if_header): Call it.
3385 (merge_if_block): Relax existing jump sanity check.
3386 * jump.c (jump_optimize_1): Remove conditional trap handling.
3388 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3390 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3392 (insn_refs_are_delayed): Correct comment.
3393 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3394 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3395 instead of r31. Make associated insn !TARGET_64BIT, and
3396 provide an additional 64-bit insn that clobbers r2.
3398 (udivsi3): Likewise.
3400 (umodsi3): Likewise.
3402 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3404 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3406 * flow.c (redirect_edge_and_branch_force, split_edge,
3407 try_crossjump_to_edge): Use set_block_for_new_insns.
3408 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3410 2001-07-13 H.J. Lu (hjl@gnu.org)
3412 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3415 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3417 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3419 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3421 * c-common.c (decl_attributes): Take a pointer to the node to
3422 which attributes are to be attached, and a flags argument.
3423 * c-common.h (enum attribute_flags): New.
3424 (decl_attributes): Update prototype.
3425 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3426 finish_enum, start_function): Update calls to decl_attributes.
3427 * c-parse.in (component_declarator, component_notype_declarator,
3428 label): Update calls to decl_attributes.
3430 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3432 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3433 * config/avr/avr.c (legitimate_address_p): Return value changed
3434 from letter to register classes. For better debugging.
3436 2001-07-13 Kazu Hirata <kazu@hxi.com>
3438 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3440 2001-07-13 H.J. Lu (hjl@gnu.org)
3442 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3444 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3446 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3447 correctly for shared configurations.
3448 * config/t-libgcc-pic: New.
3449 * config/{i386,m68k,sparc}/t-openbsd: New.
3450 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3451 Support -shared. Support debugging libraries with -g.
3452 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3453 frame information does not emit pointer diffs.
3454 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3457 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3459 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3461 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3463 * combine.c (try_combine): Ensure const_int pow2 is positive.
3465 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3467 * config.gcc: Add configuration for s/390.
3468 * config/s390/s390.c: New. Subroutines for code generation.
3469 * config/s390/s390.h: New. Definitions for s/390.
3470 * config/s390/s390-protos.h: New. Prototypes.
3471 * config/s390/linux.h: New. Definitions for linux for s/390.
3472 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3473 * config/s390/t-linux: New. Makefile fragment.
3474 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3475 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3477 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3479 * emit-rtl.c (try_split): Update mark_jump_label call.
3480 * flow.c (find_sub_basic_blocks): Likewise.
3481 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3483 (mark_all_labels): Kill second parameter.
3484 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3485 (rebuild_jump_labels, jump_optimize_minimal): Update call
3487 (jump_optimize_1): Kill crossjumping code.
3488 (mark_jump_label): Kill cross_jump parameter.
3489 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3490 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3491 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3493 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3495 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3496 reorganize passes to do reg-stack first, bb-reorder second.
3497 * invoke.texi (-d letters doc): Remove the jump2 pass.
3499 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3501 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3503 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3505 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3507 (verify_flow_info): Make diagnostics prettier.
3509 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3511 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3513 * flow.c (outgoing_edges_match): Return early if condition reversal
3516 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3518 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3519 (mips_move_2words): When splitting a move into two instructions,
3520 prefix the second address operand with '%D'.
3522 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3524 * Makefile.in (final.o): Depend on debug.h.
3525 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3526 (dbx_debug_hooks): Add new hooks.
3527 (xcoff_debug_hooks): New.
3528 * debug.c (debug_nothing_file_int_int): New.
3529 (do_nothing_debug_hooks): Update.
3530 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3531 (debug_nothing_file_int_int): New.
3532 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3533 static, update prototype.
3534 (dwarf2_debug_hooks): Update.
3535 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3536 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3537 static, update prototype.
3538 (dwarf_debug_hooks): Update.
3539 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3540 * final.c: Include debug.h.
3541 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3542 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3543 static, update prototype.
3544 (sdb_debug_hooks): Update.
3545 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3546 * toplev.c: Distinguish between xcoff and dbx.
3548 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3549 Call all debug hooks, not just dwarf ones.
3551 2001-07-11 Timothy Wall <twall@redhat.com>
3553 * config.gcc: Add configuration for AIX5/IA64.
3554 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3555 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3556 support prefix/suffix code.
3557 * config/ia64/t-aix: New. Makefile fragment.
3558 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3560 2001-07-11 Kazu Hirata <kazu@hxi.com>
3562 * recog.c (validate_change): Fix a comment typo.
3564 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3566 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3567 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3569 * dbxout.c (dbx_debug_hooks): Add new hooks.
3570 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3572 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3574 * dbxout.h (dbxout_start_new_source_file,
3575 dbxout_resume_previous_source_file): Delete.
3576 * debug.c (do_nothing_debug_hooks): Add new hooks.
3577 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3578 (debug_nothing_int_charstar, debug_nothing_int): New.
3579 * debug.h (gcc_debug_hooks): New hooks define, undef,
3580 start_source_file and end_source_file.
3581 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3582 (debug_nothing_int_charstar, debug_nothing_int): New.
3583 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3584 the conditionally compiled section.
3585 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3586 dwarf2out_define, dwarf2out_undef): Make static.
3587 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3588 dwarf2out_define, dwarf2out_undef): Remove.
3589 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3590 (dwarfout_start_source_file, dwarfout_end_source_file,
3591 dwarfout_define, dwarfout_undef): Make static.
3592 (dwarfout_start_source_file_check,
3593 dwarfout_end_source_file_check): New.
3594 (dwarfout_define, dwarfout_finish): Update.
3595 * dwarfout.h (dwarfout_start_new_source_file,
3596 dwarfout_resume_previous_source_file, dwarfout_define,
3597 dwarfout_undef): Remove.
3598 * sdbout.c (sdb_debug_hooks): Add new hooks.
3599 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3601 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3602 make static, take an arg.
3603 * sdbout.h (sdbout_start_new_source_file,
3604 sdbout_resume_previous_source_file): Delete.
3605 * toplev.c (debug_start_source_file, debug_end_source_file,
3606 debug_define, debug_undef): Delete.
3607 * toplev.h (debug_start_source_file, debug_end_source_file,
3608 debug_define, debug_undef): Delete.
3610 * java/jcf-parse.c: Include debug.h.
3611 (parse_class_file): Update to use debug hooks directly.
3612 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3614 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3616 * alias.c (set_mem_alias_set): New function.
3617 * rtl.h (set_mem_alias_set): Declare it.
3618 * builtins.c (expand_builtin_return_addr): Call it instead of
3619 using MEM_ALIAS_SET accessor.
3620 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3621 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3622 (expand_builtin_va_copy):Likewise.
3623 * caller-save.c (setup_save_areas): Likewise.
3624 * calls.c (compute_argument_addresses): Likewise.
3625 * explow.c (set_mem_attributes): Likewise.
3626 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3627 (expand_assignment, store_constructor_field, store_field): Likewise.
3628 (expand_expr_unaligned): Likewise.
3629 * function.c (assign_stack_temp_for_type): Likewise.
3630 (put_reg_into_stack, gen_mem_addressof): Likewise.
3631 * ifcvt.c (noce_try_cmove_arith): Likewise.
3632 * reload1.c (reload, alter_reg): Likewise.
3633 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3634 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3635 (alpha_expand_unaligned_store): Likewise
3636 (alpha_expand_unaligned_load_words): Likewise.
3637 (alpha_expand_unaligned_store_words): Likewise.
3638 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3639 (alpha_expand_epilogue): Likewise.
3640 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3641 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3642 * config/i386/i386.c (legitimize_pic_address): Likewise.
3643 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3644 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3645 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3646 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3647 * config/mips/mips.c (mips_va_arg): Likewise.
3648 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3649 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3650 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3651 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3652 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3653 (rs6000_emit_epilogue): Likewise.
3654 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3655 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3656 * config/v850/v850.c (v850_va_arg): Likewise.
3658 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3660 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3661 when fallthru edge is present.
3662 (mege_blocks): Handle case where creation of jump insn
3665 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3666 CLEANUP_POST_REGSTACK): New constants.
3667 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3668 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3669 * output.h (cleanup_cfg): Update prototype.
3670 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3671 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3672 cleanup_cfg call; kill missleading comment.
3673 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3674 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3675 parameter; control optimizations performed using it.
3676 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3677 try_crossjump_bb): New functions.
3679 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3681 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3683 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3684 pa_output_function_prologue.
3685 * pa-protos.h (pa_output_function_prologue): New prototype.
3687 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3689 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3690 and low to get correct sign extension in low+high test.
3692 2001-07-11 Janis Johnson <janis@us.ibm.com>
3694 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3695 for large hit count.
3697 * profile.c (branch_prob): Fix .bbg info for computed gotos
3700 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3702 * stmt.c (parse_output_constraint): New function, split out
3704 (expand_asm_operands): ... here. Use parse_output_constraint.
3705 * tree.h (parse_output_constraint): Declare it.
3707 2001-07-11 Richard Henderson <rth@redhat.com>
3709 * bitmap.c: Comment some functions; fiddle whitespace.
3710 (bitmap_free): Don't export.
3711 (bitmap_element_allocate): Use memset.
3712 * bitmap.h (bitmap_free): Don't declare.
3714 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3716 * gcse.c, lcm.c, sched-deps.c:
3717 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3719 * flow.c (flow_loops_find): Free dom if we found no loops, since
3720 we aren't going to save it.
3722 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3725 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3727 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3729 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3731 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3732 #ifndef DWARF2_DEBUGGING_INFO.
3734 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3736 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3738 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3740 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3741 reverse a branch if a NE comparison is implemented with GTU.
3743 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3744 H.J. Lu <hjl@gnu.org>
3746 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3748 (call_internal2): Likewise.
3749 (call_value_internal1): Likewise.
3750 (call_value_internal2): Likewise.
3751 (call_value_multiple_internal1): Likewise.
3752 (call_value_multiple_internal2): Likewise.
3754 2001-07-10 Kazu Hirata <kazu@hxi.com>
3756 * calls.c (emit_library_call_value_1): Fix a comment typo.
3757 * dwarf2out.c (mem_loc_descriptor): Likewise.
3758 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3760 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3762 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3764 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3766 * recog.c (offsettable_address_p): Handle LO_SUM case.
3767 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3768 instead of plus_constant.
3770 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3772 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3773 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3775 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3777 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3778 adjust_address_nv instead of plus_constant.
3780 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3782 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3783 dwarf2out.o): Depend on debug.h, wrap long lines.
3784 * dbxout.c: Include debug.h.
3785 (dbx_debug_hooks): New.
3786 (dbxout_init): Make static, take just 2 args.
3787 (dbxout_finish): Make static.
3788 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3789 * debug.c: New file.
3790 * debug.h: New file.
3791 * dwarf2out.c: Include debug.h.
3792 (dwarf2_debug_hooks): New.
3793 (dwarf2out_init): Make static.
3794 (dwarf2out_finish): Make static, take 2 args.
3795 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3796 * dwarfout.c: Include debug.h.
3797 (dwarf_debug_hooks): New.
3798 (dwarfout_init): Make static.
3799 (dwarfout_finish): Make static, take 2 args.
3800 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3801 * sdbout.c: Include debug.h.
3802 (sdb_debug_hooks): New.
3803 (sdbout_init): Make static, take 2 args.
3804 * sdbout.h (sdbout_init): Delete.
3805 * toplev.c: Include debug.h.
3807 (compile_file): Set deubg_hooks based on command line options.
3808 Use the hooks unconditionally rather than conditional compilation.
3810 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3812 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3813 first_insn_after_basic_block_note instead.
3815 * df.c (df_bb_refs_unlink): #if 0 out for now.
3817 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3819 * ssa.h: Add prototype for ssa_const_prop
3820 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3821 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3822 (ssa_fast_dce): Remove unused variable
3824 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3826 * diagnostic.c (finish_diagnostic): Rename to
3827 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3830 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3832 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3835 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3836 (dump_file): Only pad the demangled name with spaces if the
3837 mangled name was padded with spaces.
3839 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3841 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3844 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3846 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3847 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3850 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3851 whether can put offset inside LO_SUM to check mode alignment, not size.
3853 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3855 * doc/tm.texi (Misc): Fix thinko.
3857 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3859 * regmove.c (replace_in_call_usage): Fix warnings.
3860 * sched-deps.c (add_dependence): Fix warnings.
3861 * simplify-rtx.c (simplify_subreg): Likewise.
3862 Return NULL_RTX instead of NULL.
3864 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3865 (subst_asm_stack_regs): Likewise.
3867 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3870 * dwarf2out.c (output_call_frame_info): Declare i as int.
3871 (build_abbrev_table): Declare n_alloc as int.
3872 (dwarf2out_finish): Initialize die.
3873 * except.c: Declare sjlj_funcdef_number as unsigned.
3874 (connect_post_landing_pads): Declare j as unsigned.
3875 (convert_to_eh_region_ranges): Initialize call_site.
3876 (output_function_exception_table): Initialize tt_format_size.
3877 * expr.c (move_by_pieces_1): Initialize to1.
3878 (store_constructor): Initialize minelt and maxelt.
3879 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3880 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3882 * c-decl.c (combine_parm_decls): Unused, remove.
3883 * c-tree.h: Remove prototype for combine_parm_decls.
3885 * reload.c (push_reload): Fix warning.
3886 (regno_clobbered_p): Likewise.
3887 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3888 (reload_combine): Likewise.
3890 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3891 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3893 * bitmap.c (bitmap_operation): Change user.
3894 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3896 2001-07-10 Eric Christopher <echristo@redhat.com>
3898 * config/mips/mips.c (override_options): Fix typo.
3900 2001-07-09 Stan Shebs <shebs@apple.com>
3902 * target.h (struct gcc_target): New fields init_builtins and
3904 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3905 (TARGET_EXPAND_BUILTIN): New macro.
3906 (TARGET_INITIALIZER): Add them.
3907 * builtins.c: Include target.h.
3908 (expand_builtin): Use targetm.expand_builtin.
3909 (default_init_builtins): New function.
3910 (default_expand_builtin): New function.
3911 * expr.h (default_init_builtins): Declare.
3912 (default_expand_builtin): Declare.
3913 * c-common.c (c_common_nodes_and_builtins): Use
3914 targetm.init_builtins.
3915 * defaults.h (MD_INIT_BUILTINS): Remove.
3916 * Makefile.in (builtins.o): Depend on target.h.
3918 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3919 (TARGET_EXPAND_BUILTIN): Define.
3920 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3921 (MD_EXPAND_BUILTIN): Remove.
3923 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3924 (TARGET_EXPAND_BUILTIN): Define.
3925 (c4x_init_builtins): Make endlink arg a local.
3926 (c4x_print_operand): Fix typos in adjust_address usages.
3927 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3928 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3929 (MD_EXPAND_BUILTIN): Remove.
3931 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3932 (TARGET_EXPAND_BUILTIN): Define.
3933 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3934 (ix86_init_builtins): Call new function only if TARGET_MMX.
3935 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3936 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3937 (MD_EXPAND_BUILTIN): Remove.
3939 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3940 (TARGET_EXPAND_BUILTIN): Define.
3941 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3942 (MD_EXPAND_BUILTIN): Remove.
3944 * doc/tm.texi: Document these changes.
3946 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3948 * basic-block.h (tree_node): Forward declare if needed.
3949 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3950 (BLOCK_HEAD_TREE): Define.
3951 (BLOCK_END_TREE): Define.
3952 (struct loops): Rename field 'tree' to 'tree_root'.
3953 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3955 (flow_loops_tree_build): Rename reference to field 'tree' to
3957 (flow_loops_level_compute): Ditto.
3958 * predict.c (estimate_bb_frequencies): Ditto.
3959 * tree.h (struct tree_common): Add field 'aux'.
3961 2001-07-09 Stan Shebs <shebs@apple.com>
3963 * config/darwin.c (darwin_encode_section_info): Don't mark any
3964 DECL_EXTERNAL node as defined.
3966 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3968 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3969 pa_free_machine_status, hppa_init_pic_save): Delete.
3970 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3971 (hppa_profile_hook): Use hppa_pic_save_rtx.
3972 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3973 hppa_init_pic_save): Delete.
3974 (hppa_pic_save_rtx): Declare.
3975 * pa.md (call, call_value, sibcall, sibcall_value,
3976 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3978 2001-07-09 Kazu Hirata <kazu@hxi.com>
3980 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3981 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3983 2001-07-09 Andreas Jaeger <aj@suse.de>
3985 * output.h: Add declaration of final_forward_branch_p.
3987 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3989 * varray.c: Include errors.h for internal_error and trim_filename
3992 * Makefile.in (varray.o): Add errors.h.
3994 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3996 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3997 * optabs.c (have_add2_insn): Check whether the add insn chosen
3998 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3999 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4001 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4003 * Makefile.in (OBJS): Add ssa-ccp.o
4004 (ssa-ccp.o): Add dependencies.
4005 * toplev.c (DFI_ssa_ccp): New dump file enum.
4006 (dump_file): Add entry for dumping after SSA CCP.
4007 (flag_ssa_ccp): New flag variable.
4008 (f_options): Add -fssa-ccp.
4009 (rest_of_compilation): Run SSA CCP if requested.
4010 * timevar.def (TV_SSA_CCP): New timevar.
4011 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4012 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4013 Fix minor typo in SSA DCE documentation.
4014 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4015 Add documentation for new dump option. Renumber dump files
4018 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4020 * emit-rtl.c (gen_highpart_mode): New.
4021 * rtl.h (gen_highpart_mode): Declare.
4022 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4023 operand can be VOIDmode constant.
4025 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4027 * flow.c (redirect_edge_and_branch_force): New.
4028 (can_fallthru): Ensure that basic blocks are succeeding.
4029 (try_optimize_cfg): Do not delete basic block if it is the last one.
4031 * flow.c (try_redirect_by_replacing_jump): Do not remove
4032 jumps with side effects, unlink chain on fallthru edge;
4033 set block for new jump instruction; avoid basic block to
4034 over by line number note.
4036 * flow.c (try_simplify_condjump): Verify that the condjump
4037 is not always falling trought.
4040 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4042 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4043 (try_redirect_by_replacing_jump): Update properly the count
4044 and frequency information.
4046 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4048 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4049 address that is a LO_SUM specially.
4050 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4052 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4054 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4055 (operand_subword): Use them.
4056 (change_address_1): Renamed from change_address; new arg VALIDATE.
4057 * expr.h: Reflect above changes; change_address now macro.
4058 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4060 * cselib.c (add_mem_for_addr): Likewise.
4061 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4062 * regmove.c (try_apply_stack_adjustment): Likewise.
4063 * reload.c (push_reload, make_memloc): Likewise.
4064 * reload1.c (eliminate_regs): Likewise.
4065 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4066 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4068 * combine.c (make_extraction, simplify_shift_const): Likewise.
4069 (gen_lowpart_for_combine): Likewise.
4070 * cse.c (gen_lowpart_if_possible): Likewise.
4071 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4072 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4073 * optabs.c (gen_move_insn): Likewise.
4074 * reload1.c (alter_reg): Likewise.
4075 * simplify-rtx.c (simplify_subreg): Likewise.
4076 * stmt.c (expand_anon_union_decl): Likewise.
4077 * recog.c (validate_replace_rtx_1): Likewise.
4079 * Makefile.in (recog.o): Add $(EXPR_H).
4080 * explow.c (stabilize): Call replace_equiv_address.
4081 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4082 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4084 2001-07-03 Andrew Haley <aph@redhat.com>
4086 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4087 the mode of the memory location.
4089 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4091 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4093 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4095 * final.c (output_addr_const): Use target opening and
4096 closing parentheses.
4097 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4098 defaults, add to TARGET_ASM_OUT.
4099 * target.h (struct gcc_target): Add open_paren and close_paren.
4100 * doc/md.texi: Update.
4101 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4102 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4103 TARGET_ASM_CLOSE_PAREN.
4104 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4106 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4108 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4109 * config/a29k/a29k.h: Similarly.
4110 * config/alpha/alpha.h: Similarly.
4111 * config/arc/arc.h: Similarly.
4112 * config/arm/aof.h: Similarly.
4113 * config/arm/aout.h: Similarly.
4114 * config/avr/avr.h: Similarly.
4115 * config/c4x/c4x.h: Similarly.
4116 * config/clipper/clipper.h: Similarly.
4117 * config/convex/convex.h: Similarly.
4118 * config/d30v/d30v.h: Similarly.
4119 * config/dsp16xx/dsp16xx.h: Similarly.
4120 * config/elxsi/elxsi.h: Similarly.
4121 * config/fr30/fr30.h: Similarly.
4122 * config/h8300/h8300.h: Similarly.
4123 * config/i370/i370.h: Similarly.
4124 * config/i386/i386.h: Similarly.
4125 * config/i860/i860.h: Similarly.
4126 * config/i960/i960.h: Similarly.
4127 * config/ia64/ia64.h: Similarly.
4128 * config/m32r/m32r.h: Similarly.
4129 * config/m68hc11/m68hc11.h: Similarly.
4130 * config/m68k/m68k.h: Similarly.
4131 * config/m88k/m88k.h: Similarly.
4132 * config/mcore/mcore.h: Similarly.
4133 * config/mips/mips.h: Similarly.
4134 * config/mn10200/mn10200.h: Similarly.
4135 * config/mn10300/mn10300.h: Similarly.
4136 * config/ns32k/ns32k.h: Similarly.
4137 * config/pa/pa.h: Similarly.
4138 * config/pdp11/pdp11.h: Similarly.
4139 * config/pj/pj.h: Similarly.
4140 * config/romp/romp.h: Similarly.
4141 * config/rs6000/rs6000.h: Similarly.
4142 * config/sh/sh.h: Similarly.
4143 * config/sparc/sparc.h: Similarly.
4144 * config/v850/v850.h: Similarly.
4145 * config/vax/vax.h: Similarly.
4146 * config/we32k/we32k.h: Similarly.
4148 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4150 * doc/c-tree.texi: Document representation of attributes.
4152 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4154 * doc/tm.texi: Update some places for the rename of target to
4157 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4159 * target.h (struct gcc_target): Add insert_attributes.
4160 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4161 (TARGET_INITIALIZER): Update.
4162 * tree.c, tree.h (default_insert_attributes): New function.
4163 Update comments on other default functions to refer to targetm,
4165 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4166 TARGET_INSERT_ATTRIBUTES.
4167 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4168 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4169 Don't use PRAGMA_INSERT_ATTRIBUTES.
4170 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4171 * c-decl.c (start_decl, start_function): Don't call
4172 SET_DEFAULT_DECL_ATTRIBUTES.
4173 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4174 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4176 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4177 (c4x_check_attribute): Avoid modifying attribute list itself.
4178 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4180 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4181 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4183 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4184 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4186 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4187 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4189 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4190 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4191 Adjust parameters. Make static.
4193 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4195 * c-common.c (decl_attributes): Only take a single attributes
4197 * c-common.h (decl_attributes): Update prototype.
4198 * c-decl.c (start_decl, start_function): Only take a single
4199 attributes parameter. Update calls to decl_attributes.
4200 (finish_struct, finish_enum): Update calls to decl_attributes.
4201 (push_parm_decl): Expect unified list of attributes. Update call
4203 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4204 notype_nested_function, component_declarator,
4205 component_notype_declarator, label): Update calls to
4207 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4208 lists that are passed to push_parm_decl.
4209 * c-tree.h (start_function, start_decl): Update prototypes.
4210 * config/sh/sh-protos.h, config/sh/sh.c
4211 (sh_pragma_insert_attributes): Only take a single attributes
4213 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4214 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4215 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4216 build_module_descriptor, generate_static_references,
4217 generate_strings, build_selector_translation_table,
4218 generate_descriptor_table, generate_protocols,
4219 generate_ivars_list, generate_dispatch_table,
4220 generate_protocol_list, generate_category,
4221 generate_shared_structures, really_start_method, add_objc_decls,
4222 generate_classref_translation_entry): Update calls to start_decl
4224 (build_tmp_function_decl, start_method_def): Unify attribute lists
4225 that are passed to push_parm_decl.
4227 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4229 * final.c (no_asm_to_stream): New.
4230 (final_scan_insn): Use target structures for prologue ends
4231 and epilogue starts.
4232 * output.h (no_asm_to_stream): New.
4233 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4234 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4235 (TARGET_ASM_OUT): Update.
4236 * target.h (struct gcc_target): New members function_end_prologue
4237 and function_begin_epilogue.
4238 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4239 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4240 * config/alpha/alpha.c (output_end_prologue): Rename to
4241 alpha_output_function_end_prologue. Use in target struct
4243 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4244 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4245 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4246 ia64_output_function_end_prologue. Use in target struct
4248 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4249 mistyped prototypes.
4250 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4251 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4253 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4254 an use in target struct, make static.
4255 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4258 2001-07-08 Richard Henderson <rth@redhat.com>
4260 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4262 2001-07-08 Richard Henderson <rth@redhat.com>
4264 * config/i386/i386.md: Remove constraints strings from define_split
4265 and define_peephole2 patterns.
4266 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4267 (eh_return): Use them.
4269 2001-07-08 Richard Henderson <rth@redhat.com>
4271 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4272 Document MD_FALLBACK_FRAME_STATE_FOR.
4274 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4276 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4277 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4279 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4281 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4283 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4284 of the label inside NAME as opposed to just the end of NAME.
4286 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4288 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4289 * config/alpha/alpha.c (alpha_init_machine_status,
4290 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4291 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4292 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4293 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4295 2001-07-06 Stan Shebs <shebs@apple.com>
4297 * target.h (targetm): Rename global from "target", so as not to
4298 conflict with local variables.
4300 * c-typeck.c: Ditto.
4304 * cp/decl2.c: Ditto.
4305 * cp/typeck.c: Ditto.
4306 * 1750a/1750a.c: Ditto.
4307 * a29k/a29k.c: Ditto.
4311 * clipper/clipper.c: Ditto.
4312 * convex/convex.c: Ditto.
4313 * d30v/d30v.c: Ditto.
4314 * dsp16xx/dsp16xx.c: Ditto.
4315 * elxsi/elxsi.c: Ditto.
4316 * fr30/fr30.c: Ditto.
4317 * h8300/h8300.c: Ditto.
4318 * i370/i370.c: Ditto.
4319 * i386/i386.c: Ditto.
4320 * i860/i860.c: Ditto.
4321 * i960/i960.c: Ditto.
4322 * ia64/ia64.c: Ditto.
4323 * m32r/m32r.c: Ditto.
4324 * m68hc11/m68hc11.c: Ditto.
4325 * m68k/m68k.c: Ditto.
4326 * m88k/m88k.c: Ditto.
4327 * mips/mips.c: Ditto.
4328 * ns32k/ns32k.c: Ditto.
4330 * pdp11/pdp11.c: Ditto.
4331 * romp/romp.c: Ditto.
4332 * rs6000/rs6000.c: Ditto.
4334 * sparc/sparc.c: Ditto.
4336 * we32k/we32k.c: Ditto.
4337 * doc/tm.texi: Update the manual to match.
4339 2001-07-06 Richard Henderson <rth@redhat.com>
4341 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4342 DWARF2_UNWIND_INFO not just whether it is defined.
4344 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4346 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4347 call to simplify_binary_operation returns a new pattern.
4349 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4351 * glimits.h (__SHRT_MAX__): New.
4352 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4353 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4355 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4357 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4360 2001-07-06 Richard Henderson <rth@redhat.com>
4362 * bitmap.c (bitmap_release_memory): Move adjacent to the
4363 allocation functions.
4364 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4365 the implementation. Binary search for the set bit.
4366 (bitmap_union_of_diff): Allocate the temporary on the stack
4367 instead of using xmalloc.
4369 2001-07-06 Richard Henderson <rth@redhat.com>
4371 * genrecog.c (validate_pattern): Warn for constraints in
4372 define_{expand,split,peephole2}. Remove strict_low_part
4373 before looking up match_dup.
4375 2001-07-06 DJ Delorie <dj@redhat.com>
4377 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4378 chapter about various build hints and history. Add section
4379 talking about the various types of native and cross builds.
4381 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4383 * Makefile.in (final.o): Depend on target.h.
4384 * final.c: Include target.h.
4385 (default_function_pro_epilogue): New.
4386 (final_start_function): Use target structure for function prologues.
4387 (final_end_function): Use target structure for function epilogues.
4388 * fold-const.c (real_hex_to_f): Constify s and p.
4389 * output.h (default_function_pro_epilogue): New.
4390 * real.h (real_hex_to_f): Update prototype.
4391 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4392 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4393 (TARGET_INITIALIZER): Update.
4394 * target.h (gcc_target): Add struct asm_out.
4395 * doc/tm.texi: Update.
4398 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4399 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4400 in cpu/cpu.c, or rename old functions consistently. Take
4401 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4402 redundant macros and prototypes. Make new functions static.
4404 * 1750a/1750a.c: Similarly.
4405 * 1750a/1750a.h: Similarly.
4406 * a29k/a29k-protos.h: Similarly.
4407 * a29k/a29k.c: Similarly.
4408 * a29k/a29k.h: Similarly.
4409 * arc/arc-protos.h: Similarly.
4410 * arc/arc.c: Similarly.
4411 * arc/arc.h: Similarly.
4412 * arm/arm-protos.h: Similarly.
4413 * arm/arm.c: Similarly.
4414 * arm/arm.h: Similarly.
4415 * avr/avr-protos.h: Similarly.
4416 * avr/avr.c: Similarly.
4417 * avr/avr.h: Similarly.
4418 * clipper/clipper-protos.h: Similarly.
4419 * clipper/clipper.c: Similarly.
4420 * clipper/clipper.h: Similarly.
4421 * convex/convex.c: Similarly.
4422 * convex/convex.h: Similarly.
4423 * d30v/d30v-protos.h: Similarly.
4424 * d30v/d30v.c: Similarly.
4425 * d30v/d30v.h: Similarly.
4426 * d30v/d30v.md: Similarly.
4427 * dsp16xx/dsp16xx-protos.h: Similarly.
4428 * dsp16xx/dsp16xx.c: Similarly.
4429 * dsp16xx/dsp16xx.h: Similarly.
4430 * elxsi/elxsi.c: Similarly.
4431 * elxsi/elxsi.h: Similarly.
4432 * fr30/fr30.c: Similarly.
4433 * fr30/fr30.md: Similarly.
4434 * h8300/h8300-protos.h: Similarly.
4435 * h8300/h8300.c: Similarly.
4436 * h8300/h8300.h: Similarly.
4437 * i370/i370-protos.h: Similarly.
4438 * i370/i370.c: Similarly.
4439 * i370/i370.h: Similarly.
4440 * i386/i386.c: Similarly.
4441 * i386/osf1elf.h: Similarly.
4442 * i386/osfrose.h: Similarly.
4443 * i860/i860-protos.h: Similarly.
4444 * i860/i860.c: Similarly.
4445 * i860/i860.h: Similarly.
4446 * i960/i960-protos.h: Similarly.
4447 * i960/i960.c: Similarly.
4448 * i960/i960.h: Similarly.
4449 * ia64/ia64-protos.h: Similarly.
4450 * ia64/ia64.c: Similarly.
4451 * ia64/ia64.h: Similarly.
4452 * m32r/m32r-protos.h: Similarly.
4453 * m32r/m32r.c: Similarly.
4454 * m32r/m32r.h: Similarly.
4455 * m68hc11/m68hc11-protos.h: Similarly.
4456 * m68hc11/m68hc11.c: Similarly.
4457 * m68hc11/m68hc11.h: Similarly.
4458 * m68k/crds.h: Similarly.
4459 * m68k/dpx2.h: Similarly.
4460 * m68k/m68k-protos.h: Similarly.
4461 * m68k/m68k.c: Similarly.
4462 * m68k/m68k.h: Similarly.
4463 * m68k/news.h: Similarly.
4464 * m88k/m88k-protos.h: Similarly.
4465 * m88k/m88k.c: Similarly.
4466 * m88k/m88k.h: Similarly.
4467 * mips/mips-protos.h: Similarly.
4468 * mips/mips.c: Similarly.
4469 * mips/mips.h: Similarly.
4470 * ns32k/merlin.h: Similarly.
4471 * ns32k/ns32k.c: Similarly.
4472 * ns32k/ns32k.h: Similarly.
4473 * ns32k/tek6000.h: Similarly.
4474 * pa/pa-protos.h: Similarly.
4475 * pa/pa.c: Similarly.
4476 * pa/pa.h: Similarly.
4477 * pdp11/2bsd.h: Similarly.
4478 * pdp11/pdp11-protos.h: Similarly.
4479 * pdp11/pdp11.c: Similarly.
4480 * pdp11/pdp11.h: Similarly.
4481 * romp/romp-protos.h: Similarly.
4482 * romp/romp.c: Similarly.
4483 * romp/romp.h: Similarly.
4484 * rs6000/rs6000-protos.h: Similarly.
4485 * rs6000/rs6000.c: Similarly.
4486 * rs6000/rs6000.h: Similarly.
4487 * rs6000/sysv4.h: Similarly.
4488 * sh/sh-protos.h: Similarly.
4489 * sh/sh.c: Similarly.
4490 * sh/sh.h: Similarly.
4491 * sparc/sparc-protos.h: Similarly.
4492 * sparc/sparc.c: Similarly.
4493 * sparc/sparc.h: Similarly.
4494 * vax/vax.c: Similarly.
4495 * vax/vax.h: Similarly.
4496 * vax/vms.h: Similarly.
4497 * we32k/we32k.c: Similarly.
4498 * we32k/we32k.h: Similarly.
4500 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4502 * basic-block.h (first_insn_after_basic_block_note): Declare.
4503 * flow.c (first_insn_after_basic_block_note): Define. Moved
4505 * ssa.c (first_insn_after_basic_block_note): Remove.
4506 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4508 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4509 nodes when we find a dead conditional branch. Insert BARRIERs
4510 after any blocks with no successors, but which do not have
4513 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4515 * varray.c (varray_check_failed): Use internal_error.
4517 2001-07-05 Andrew Haley <aph@redhat.com>
4519 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4520 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4521 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4523 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4525 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4526 reference if the target constant is also a SYMBOL_REF.
4528 2001-07-05 Eric Christopher <echristo@redhat.com>
4530 * config/mips/mips.h (MASK_MIPS3900): Remove.
4531 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4532 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4533 (TARGET_MIPS3900): Change to use mips_arch.
4534 (TARGET_MIPS4000): New.
4535 (TARGET_MIPS4100): New.
4536 (TARGET_MIPS4300): New.
4537 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4538 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4540 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4541 (ISA_HAS_BRANCHLIKELY): To here.
4542 (CC1_CPU_SPEC): New.
4543 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4544 (mips_arch_string): Declare.
4545 (mips_arch): Declare.
4546 (TARGET_OPTIONS): Add -march and -mtune.
4548 * config/mips/mips.c (mips_arch_string): New.
4550 (override_options): Handle -march for codegen and -mtune
4551 for scheduling. Use mips_arch. Move tx39 target default here.
4552 (mips_parse_cpu): Move error message to override_options.
4554 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4556 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4558 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4559 (MIPS Options): Ditto. Change mcpu entry to historical text.
4561 2001-07-05 H.J. Lu (hjl@gnu.org)
4563 * config/mips/mips.c (mips_parse_cpu): New function to parse
4566 2001-07-05 Jim Wilson <wilson@redhat.com>
4568 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4569 * config/ia64/t-ia64: Likewise.
4570 (LIB1ASMFUNCS): Update comment.
4572 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4574 * doc/install.texi (Install GCC: Binaries): Fix typo.
4576 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4578 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4579 reference using the stack pointer, adjust it since we push Y
4581 ("*ashrsi3"): Likewise.
4582 ("*lshrsi3"): Likewise.
4584 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4586 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4587 when -fomit-frame-pointer is used.
4589 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4591 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4592 (try_redirect_by_replacing_jump): Reverse updating properly the
4593 count and frequency information. Reverse removing cc0 setter.
4594 (forwarder_block_p): Reverse fixing for fallthru blocks.
4596 2001-07-05 DJ Delorie <dj@redhat.com>
4598 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4599 (translate_options): If the above is defined, use it to map
4600 given options to new options.
4601 * doc/tm.texi: Document it.
4603 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4604 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4606 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4607 cause programs using computed gotos to run more slowly.
4609 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4611 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4613 Consistently require binutils 2.11.2, not prereleases.
4614 (Specific, decstation-*): Canonicalize as mips-dec-*.
4615 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4617 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4618 (Specific, mips-*): Reword MIPS C compiler requirements.
4619 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4620 (Specific, sunv5): Removed, obsolete.
4622 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4624 * dwarf2out.c (output_loc_list): Use an all ones mask for
4625 .text asm output and don't rely on long long
4626 literals. Reformat some long lines.
4628 2001-07-05 Andreas Jaeger <aj@suse.de>
4630 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4633 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4635 * dwarf2out.c (dwarf2out_define): Update comment.
4636 (dwarf2out_undef): Ditto.
4637 (dwarf2out_start_source_file): Ditto.
4638 (dwarf2out_end_source_file): Ditto.
4639 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4640 since we never call the start/end debug hook for the primary file.
4642 2001-07-04 Kazu Hirata <kazu@hxi.com>
4644 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4647 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4649 * cppinit.c (remove_dup_dirs): Inform if a system include
4650 directory is being reordered.
4651 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4653 * doc/cpp.texi (Search Paths): Likewise.
4654 * doc/gcc.texi (Interoperation): Remove information about
4657 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4659 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4660 (VARRAY_TOP_CHAR_PTR): Likewise.
4662 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4664 * gcc.c (process_command): Don't assign elements of a const char*.
4666 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4668 * emit-rtl.c (change_address): Don't abort if invalid address while
4669 reload is in progress.
4671 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4673 * c-lex.c (cb_file_change): Pass line number to
4674 debug_start_source_file.
4675 (cb_undefine): Pass correct line number to debug_undef.
4677 * toplev.c (debug_start_source_file): Add line number to
4678 parameters. Pass it along to dwarf2out_start_source_file.
4679 (decode_g_option): Stop resetting debug level back to normal when
4680 we change debug formats, unless the current level is
4681 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4684 * toplev.h (debug_start_source_file): Add line number to
4687 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4690 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4692 Output debug_macinfo data for starting file if requested.
4693 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4695 (dwarf2out_define): Output debug_macinfo data for defining a macro
4697 (dwarf2out_undef): Output debug_macinfo data for undefining a
4699 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4700 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4701 (macinfo_section_label): New. DWARF2 macro info section label.
4702 (dwarf2out_init): If we want macro info, output the start label
4704 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4705 attribute to the compilation unit die pointing to the macro info.
4707 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4709 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4710 DWARF2_DEBUGGING_INFO.
4711 (add_loc_descr_to_loc_list): Ditto.
4712 (output_loc_list): Ditto.
4713 Also, fix thinko in curr not being initialized.
4714 (gen_internal_sym): Ditto.
4716 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4718 * emit-rtl.c (replace_equiv_address): New function.
4719 * expr.h (replace_equiv_address): New declaration.
4720 * explow.c (validize_mem): Call it instead of change_address and
4721 also call if -fforce-addr and address is constant.
4722 * expr.c: Replace more calls to change_address with adjust_address
4723 and/or replace_equiv_address or to validize_mem.
4724 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4725 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4726 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4727 * config/i370/i370.md, config/i860/i860.md: Likewise.
4728 * config/i960/i960.md, config/mips/mips.c: Likewise.
4729 * config/mips/mips.md, config/pa/pa.md: Likewise.
4730 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4731 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4733 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4735 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4737 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4740 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4742 * doc/include: New directory.
4743 * doc/fdl.texi: Move to doc/include/fdl.texi.
4744 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4745 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4746 * doc/gcc.texi: Use funding.texi and gpl.texi.
4747 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4748 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4749 Update dependencies and use -I $(docdir)/include.
4751 2001-07-04 Anthony Green <green@redhat.com>
4753 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4755 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4757 * doc/install.texi (sparc64-*-*): Remove garbage.
4759 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4761 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4762 Fix typo in last change to use adjust_address.
4764 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4766 * doc/install.texi (Specific): Update information for *-*-solaris*.
4768 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4770 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4772 2001-07-03 Stan Shebs <shebs@apple.com>
4774 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4775 case for flag_no_mach_text_sections.
4776 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4777 * config/darwin.c (flag_no_mach_text_sections): Remove.
4778 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4780 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4782 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4783 and avoid checking for constant as first operand.
4784 * recog.c (find_constant_term_loc): No longer static.
4785 (adj_offettable_operand): Delete.
4786 * rtl.h (adj_offsettable_operand): Delete declaration.
4787 (find_constant_term): Add declaration.
4788 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4790 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4791 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4792 * config/i386/i386.c, config/i386/i386.md: Likewise.
4793 * config/i860/i860.c, config/i960/i960.c: Likewise.
4794 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4795 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4796 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4797 * config/mips/mips.c, config/mips/mips.md: Likewise.
4798 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4799 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4800 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4801 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4802 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4803 * config/ns32k/ns32k.md: Likewise.
4805 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4807 * rtl.c (copy_rtx): Handle 'T' format letter.
4808 * gensupport.c (collect_insn_data): Likewise.
4809 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4811 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4813 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4814 -B option. Use 'dir' not 'foo' as example directory name.
4816 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4818 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4819 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4821 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4823 * doc/cppinternals.texi: Improve formatting and logical markup.
4825 2001-07-03 Andreas Jaeger <aj@suse.de>
4827 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4829 * genrecog.c (write_header): Include reload.h for prototypes in
4832 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4835 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4836 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4837 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4838 i386_pe_valid_type_attribute_p): Add.
4839 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4840 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4842 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4844 * explow.c (plus_constant_wide, case LO_SUM): New case.
4845 (plus_constant_for_output_wide): Delete.
4846 * rtl.h (plus_constant_for_output): Delete.
4847 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4848 instead of plus_constant_for_output.
4849 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4850 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4851 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4852 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4853 * config/sparc/sparc.md: Likewise.
4854 Convert some change_address calls to adjust_address.
4856 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4858 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4859 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4860 documentation of -std and -Wwrite-strings.
4862 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4864 * cse.c (canon_hash): Don't register registers in very small
4865 register classes, as extending their lifetime might cause
4868 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4870 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4872 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4873 (try_redirect_by_replacing_jump): Update properly the count
4874 and frequency information.
4876 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4878 * toplev.c (dump_file_index): Move SSA dumps just after first
4880 (dump_file): Corresponding changes.
4881 (rest_of_compilation): Move SSA path to just after the first
4883 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4884 * doc/invoke.texi: Update dump file #s as they were completely
4885 out of date with reality.
4887 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4889 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4891 * expr.c (emit_move_insn_1): Deal with non-default
4894 * expr.c (emit_single_push_insn): Fix warning.
4896 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4898 * expr.c (emit_move_insn_1): Avoid modifying
4899 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4901 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4903 * emit-rtl.c (adjust_address): New function.
4904 * expr.h (adjust_address): Add declaration.
4905 * builtins.c: Replace some calls to change_address with calls to it
4907 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4908 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4909 * config/arm/arm.c, config/convex/convex.c: Likewise.
4910 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4911 * config/i386/i386.c, config/i386/i386.md: Likewise.
4912 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4913 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4914 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4915 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4916 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4918 2001-07-02 Jim Wilson <wilson@redhat.com>
4920 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4922 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4924 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4925 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4927 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4929 * cppinit.c (lang_defaults): New table.
4930 (set_lang): Just read from lang_defaults into the live options
4933 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4935 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4936 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4937 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4939 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4941 * doc/install.texi: Various spelling and markup fixes.
4942 (Installing GCC): Component specific installation instructions are
4945 Warn about removing old install dir in the presence of shared libs.
4946 (Configuration): Invoke with options target to match configure
4948 Consistently refer to gas, gld pathnames.
4949 Invert --enable-multilib documentation.
4950 Remove references to old compiler versions.
4952 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4954 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4956 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4958 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4960 (Specific, mips*-sgi-irix5): Note IDO download.
4961 Reworded MIPS C hints.
4962 Use GNU as instead of GAS.
4964 Removed SGI Freeware reference, IRIX 6 only.
4965 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4966 Note N64 library requirement/workaround.
4968 Complete list of structure passing bug victims.
4970 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4972 * doc/install.texi: Remove CVS Id.
4974 2001-07-02 Andreas Jaeger <aj@suse.de>
4976 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4977 (find_inherently_necessary): Remove unused variable.
4979 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4981 * c-common.h (TDI_inlined): New ast dump phase.
4982 (dump_flag_name): New function.
4983 * c-dump.c (dump_files): Add inlined phase.
4984 (dump_flag_name): Define.
4985 * doc/invoke.texi (-fdump-ast-inlined): Document.
4987 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4989 * stor-layout.c (layout_decl): Revert change to handling of alignment
4992 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4994 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4997 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4999 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5002 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5004 * tlink.c (recompile_files): Remove COMPILER_PATH and
5005 LIBRARY_PATH from the environment.
5007 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5009 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5010 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5012 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5014 * c-parse.in (OBJC_STRING): Kill.
5015 (objc_string): Decompose to [objc_string] '@' STRING.
5016 (reswords): Take the leading '@' off all the Objective C keywords.
5017 (objc_rid_sans_at): Kill.
5018 (init_reswords): Don't initialize it.
5019 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5020 (_yylex): Kill reconsider label. Look ahead one token after
5021 an '@'; if we get an identifier, check whether it's an
5022 Objective C @-keyword. If so, return the keyword. Otherwise,
5023 put back the token and return the '@' as a terminal.
5025 * cpplib.c (lex_macro_node): Remove unnecessary check for
5026 leading '@' on identifier. Clarify control flow and commentary.
5028 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5030 * cse.c (new_label_ref): Variable deleted.
5031 (insert): Remove set of new_label_ref.
5032 (check_for_label_ref): New function.
5033 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5035 See ChangeLog.5 for earlier changes.