| blob | 61ef47e1e63191b63c7e54658b86d7c2d75a7604 |
1 2001-08-13 Andreas Jaeger <aj@suse.de>
3 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4 s390*linux.
6 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
9 * gcc.c (init_spec): Fix typo in comment.
10 * varasm.c (data_section): Fix typo in comment.
12 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
14 * predict.c (dump_prediction): New argument "USED".
15 (combine_predictions_for_insn): Determine the used heuristics,
16 output the case no heuristic applied.
17 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
19 2001-08-13 Andreas Jaeger <aj@suse.de>
21 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
22 register %rip.
24 2001-08-13 Kazu Hirata <kazu@hxi.com>
26 * jump.c: Fix formatting.
28 2001-08-13 Kazu Hirata <kazu@hxi.com>
30 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
31 length.
33 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
35 * loop.c (check_dbra_loop): Use condjump_label to compute
36 jump_label.
38 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
39 to better document the files they're in.
41 2001-08-12 Zack Weinberg <zackw@panix.com>
43 * recog.h (struct insn_operand_data): Shrink 'mode' field
44 to 16 bits.
46 2001-08-12 Kazu Hirata <kazu@hxi.com>
48 * gcc.c: Fix comment formatting.
49 * gccspec.c: Likewise.
50 * gcov.c: Likewise.
51 * gcse.c: Likewise.
52 * genemit.c: Likewise.
53 * gengenrtl.c: Likewise.
54 * genrecog.c: Likewise.
55 * gensupport.c: Likewise.
56 * ggc-page.c: Likewise.
57 * global.c: Likewise.
58 * graph.c: Likewise.
59 * ifcvt.c: Likewise.
60 * integrate.c: Likewise.
61 * lcm.c: Likewise.
62 * libgcc2.c: Likewise.
63 * loop.c: Likewise.
64 * mbchar.c: Likewise.
65 * optabs.c: Likewise.
66 * predict.c: Likewise.
67 * prefix.c: Likewise.
68 * profile.c: Likewise.
69 * protoize.c: Likewise.
70 * real.c: Likewise.
71 * recog.c: Likewise.
72 * regclass.c: Likewise.
73 * regmove.c: Likewise.
74 * reg-stack.c: Likewise.
75 * reload1.c: Likewise.
76 * resource.c: Likewise.
77 * rtlanal.c: Likewise.
78 * rtl.c: Likewise.
80 2001-08-12 Kazu Hirata <kazu@hxi.com>
82 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
83 a tree representing a constant is passed to the macro.
85 2001-08-12 Richard Henderson <rth@redhat.com>
87 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
88 (rs6000_elf_asm_out_destructor): New.
89 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
90 (DTORS_SECTION_ASM_OP): Remove.
91 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
92 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
94 2001-08-12 David Edelsohn <edelsohn@gnu.org>
96 Revert:
97 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
98 * gcc.c (set_collect_gcc_options): New function, split out from
99 main.
100 Ignore elided switches.
101 (do_spec_1): Invoke before executing command.
102 (set_input): Export.
103 Move declaration ...
104 * gcc.h (set_input): ... here.
105 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
106 file.
108 2001-08-12 Richard Henderson <rth@redhat.com>
110 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
111 thinko wrt TARGET_RELOCATABLE.
113 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
115 * fix-header.c (cb_file_change): Update prototype.
117 2001-08-11 Zack Weinberg <zackw@panix.com>
119 * toplev.c (set_float_handler): Make static.
120 * toplev.h: Don't prototype set_float_handler.
122 * simplify-rtx.c: Don't include setjmp.h.
123 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
124 New functions.
125 (simplify_unary_operation, simplify_binary_operation): Use them,
126 via do_float_handler.
128 * fold-const.c: Don't include setjmp.h.
129 (exact_real_inverse_1): New function.
130 (exact_real_inverse): Use it, via do_float_handler.
132 * varasm.c: Don't include setjmp.h.
133 (assemble_real_1): New function.
134 (assemble_real): Use it, via do_float_handler.
135 Call internal_error if we get a trap here.
137 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
138 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
140 2001-08-11 Zack Weinberg <zackw@panix.com>
142 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
143 STACK_BOUNDARY if not already defined.
145 * calls.c, function.c, reload1.c, explow.c: Don't default
146 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
147 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
149 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
150 to run-time test.
152 * doc/tm.texi: Document that STACK_BOUNDARY is required;
153 clarify difference between it and PREFERRED_STACK_BOUNDARY.
155 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
157 * cppmacro.c (enter_macro_context): Push macro expansions even
158 if empty.
160 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
162 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
163 (rs6000_elf_section_type_flags): Actually return a value.
165 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
167 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
168 Clean up code: add missing comments and prototypes, fix warnings,
169 remove obsolete code, fix spacing to conform to coding style.
171 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
173 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
174 and TARGET_ASM_CLOSE_PAREN.
175 (regclass_map): CC register belongs to class NO_REGS.
176 (legitimize_pic_address): Don't generate unnecessary moves
177 (to avoid confusing loop optimization).
178 (check_and_change_labels): Replace jump_long by indirect_jump.
179 (s390_final_chunkify): Don't start a new literal pool on section
180 switch in 64-bit code.
181 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
183 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
184 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
185 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
186 modes correctly.
187 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
188 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
189 (CONST_COSTS): Fixed incorrect costs.
191 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
192 Use emit_jump instead of emit_jump_insn (gen_jump).
193 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
194 (to avoid confusing flow analysis).
195 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
196 (casesi, casesi_jump): New.
197 (jump_long): Removed. Functionality merged into indirect_jump.
198 (indirect_jump): Accept address_operand, not just register_operand.
199 (cjump_long, icjump_long): Use same logic as indirect_jump.
200 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
201 Fixed broken setjmp/longjmp handling.
202 (do_builtin_setjmp_setup): Removed.
204 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
205 broken GNU as versions that don't accept .quad with large
206 negative values. Use hexadecimal output instead.
207 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
208 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
209 FUNCTION_EPILOGUE): Removed. Now in targetm.
211 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
213 * config/s390/fixdfdi.h: Add missing copyright statement.
214 Fix type conflicts on 64-bit. Add missing SFmode routines.
216 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
217 email address.
219 2001-08-11 Richard Henderson <rth@redhat.com>
221 * rtl.h (REG_EH_RETHROW): Remove.
222 * rtl.c (reg_note_name): Update.
223 * combine.c (distribute_notes): Don't check for it.
225 2001-08-11 Richard Henderson <rth@redhat.com>
227 * combine.c (distribute_notes): Place REG_SETJMP.
229 2001-08-11 Richard Henderson <rth@redhat.com>
231 * doc/extend.texi (Arrays and pointers implementation): Discourage
232 relying on sign-extension of pointers.
234 2001-08-11 H.J. Lu <hjl@gnu.org>
236 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
237 in_dtors.
238 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
239 RDATA_SECTION_ASM_OP.
241 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
243 * doc/install.texi (Specific, c4x): Fix cross-reference to the
244 main manual to work both for info and HTML versions.
246 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
247 Matt Kraai <kraai@alumni.carnegiemellon.edu>
249 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
250 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
251 (struct cpp_pool): New member first.
252 * cppinit.c (append_include_chain): Plug memory leaks.
253 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
254 Allocate pragma structures from the (aligned) macro pool to
255 avoid leaking memory.
256 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
257 so we don't leak memory.
258 * hashtable.c (ht_destroy): New.
259 * hashtable.h (ht_destroy): New.
261 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
262 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
264 * c-lex.c (map): Make const.
265 (cb_file_change): Update for callback passing a line map.
266 Don't assume we have a previous map. Remove sanity check
267 about popping too many files.
268 * cpperror.c (print_location): Make map const.
269 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
270 (cpp_make_system_header): Similarly.
271 (search_from): Similarly.
272 (_cpp_execute_include): Don't remember where we came from.
273 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
274 (struct cpp_reader): Make map const.
275 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
276 * cpplib.c (do_line): Update; line maps now hold sysp.
277 (cpp_push_buffer): Similarly.
278 (_cpp_do_file_change): Similarly; callback with map instead.
279 (cpp_get_line_maps): Constify return value.
280 (_cpp_pop_buffer): Update.
281 * cpplib.h (struct cpp_file_change): Remove.
282 (struct cpp_callbacks): Update.
283 (cpp_get_line_maps): Constify return value.
284 * cppmacro.c (_cpp_create_definition): Update.
285 * cppmain.c (struct printer): Constify map.
286 (maybe_print_line): Similarly.
287 (print_line): Similarly. Deduce flags 1 and 2 here.
288 (cb_file_change): Update.
289 * line-map.c (free_line_maps): Warn regardless.
290 (add_line_map): Return pointer to const. When passed NULL to_file
291 with LC_LEAVE, use the obvious values for the return point so the
292 caller doesn't have to figure them out.
293 (lookup_line): Return pointer to const.
294 (print_containing_files): Take pointer to const.
295 * line-map.h (struct line_map): New members reason, sysp.
296 (add_line_map): Return pointer to const.
297 (lookup_line): Similarly.
298 (print_containing_files): Take pointer to const.
300 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
301 Richard Henderson <rth@redhat.com>
303 * regmove.c (regmove_optimize): Avoid setting a register twice in
304 a parallel set.
306 2001-08-10 Richard Henderson <rth@redhat.com>
308 * doc/extend.texi (Arrays and pointers implementation): Document
309 behavior of pointer/integer conversion.
311 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
313 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
315 2001-08-10 Richard Henderson <rth@redhat.com>
317 * doc/extend.texi (C Implementation): New chapter.
318 * doc/gcc.texi (Top): Link it in.
320 2001-08-10 Andrew Cagney <ac131313@redhat.com>
322 * doc/install.texi (Specific): Fix CVS merge botch.
324 2001-08-10 Richard Henderson <rth@redhat.com>
326 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
327 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
329 2001-08-10 Zack Weinberg <zackw@stanford.edu>
331 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
332 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
333 this macro is now required.
335 * cselib.c (cselib_process_insn), flow.c (propagate_block),
336 loop.c (find_and_verify_loops), reload.c (reload): Check
337 for rtx code of CALL_INSN, not CALL, when deciding if we
338 need to check for REG_SETJMP note.
340 * gcse.c (compute_hash_table, compute_store_table): Update
341 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
342 logic.
344 * config/avr/avr.c: Fix typo.
345 * config/convex/convex.c (expand_movstr): Use adjust_address.
346 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
347 variable.
348 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
349 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
350 Fix typo.
351 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
352 Do define STACK_BOUNDARY.
353 * config/i370/i370.c: Include expr.h.
354 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
355 config/pa/som.h, config/v850/v850.h: Take in_ctors and
356 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
357 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
358 * config/m88k/m88k.c: Include c-tree.h after expr.h.
359 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
360 * config/romp/romp.c: Include expr.h after tree.h.
361 Include toplev.h.
362 (output_fpop): Use xmalloc, not oballoc.
363 * config/we32k/we32k.c: Include expr.h.
365 2001-08-10 Kazu Hirata <kazu@hxi.com>
367 * config/h8300/h8300.h: Fix formatting.
369 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
371 * c-common.h (RETURN_NULLIFIED_P): Lose.
372 * c-semantics.c (genrtl_return_stmt): Don't check it.
374 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
376 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
377 (mips_annotate_frame_insn): New function.
378 (mips_emit_frame_related_store): New function.
379 (save_restore_insns): Don't mark instructions that set up the base
380 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
381 the store instructions instead.
382 (mips_expand_prologue): If the stack size is moved into a temporary
383 register, do not mark that move as frame-related. Add a
384 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
386 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
388 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
389 stack slot as unchanging if current_function_calls_eh_return.
391 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
393 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
394 access the second half of the TFmode scratch operand.
396 2001-08-10 Anthony Green <green@redhat.com>
398 * java/class.c (emit_register_classes): Conditionalize code on
399 JCR_SECTION_NAME.
401 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
403 * doc/install.texi (Specific, avr): Fix cross-reference to the
404 main manual to work both for info and HTML versions.
406 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
408 * stmt.c (expand_null_return_1): Remove code to generate simple returns
409 and "use_goto" argument.
410 (expand_null_return, expand_value_return): Update all callers.
411 * function.c (expand_function_end): Remove code to generate simple
412 return.
413 * config/vax/vax.md (epilogue): New expander for function return.
414 * doc/md.texi (epilogue): Remove "if defined".
416 2001-08-09 Zack Weinberg <zackw@stanford.edu>
418 * Makefile.in: Partially revert my previous change:
419 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
420 of the hashtab.o and safe-ctype.o rules.
422 2001-08-09 Richard Henderson <rth@redhat.com>
424 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
425 (USE_COLLECT2): Remove duplicate definition.
426 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
427 (use_collect2): Remove dead code.
428 * configure.in (use_collect2): Remove will_use_collect2 and
429 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
430 * configure: Rebuild.
432 * target.h (targetm.asm_out.constructor): New.
433 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
434 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
435 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
436 * varasm.c (in_ctors, in_dtors): New.
437 (assemble_constructor, assemble_destructor): Remove.
438 (default_stabs_asm_out_destructor): New.
439 (default_named_section_asm_out_destructor): New.
440 (dtors_section, default_dtor_section_asm_out_destructor): New.
441 (default_stabs_asm_out_constructor): New.
442 (default_named_section_asm_out_constructor): New.
443 (ctors_section, default_ctor_section_asm_out_constructor): New.
444 * output.h: Update declarations.
445 * c-decl.c (c_expand_body): Use target hooks instead of
446 assemble_constructor and assemble_destructor.
447 * profile.c (output_func_start_profiler): Likewise.
448 * objc/objc-act.c (finish_objc): Likewise.
449 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
450 for the constructor.
451 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
453 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
454 (DTORS_SECTION_ASM_OP): Likewise.
455 (__CTOR_LIST__): Use attribute section when possible.
456 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
458 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
459 ASM_OUTPUT_CONSTRUCTOR.
461 * config/darwin.c (machopic_asm_out_constructor): New.
462 (machopic_asm_out_destructor): New.
463 * config/darwin-protos.h: Update declarations.
464 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
465 (ASM_OUTPUT_DESTRUCTOR): Remove.
466 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
467 * config/nextstep.c (nextstep_asm_out_constructor): New.
468 (nextstep_asm_out_destructor): New.
469 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
470 (ASM_OUTPUT_DESTRUCTOR): Remove.
471 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
472 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
473 ASM_OUTPUT_*STRUCTOR.
474 * config/i386/aix386ng.h: Likewise.
476 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
477 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
478 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
479 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
480 * config/lynx.h: Likewise.
481 * config/netware.h: Likewise.
482 * config/psos.h: Likewise.
483 * config/alpha/alpha-interix.h: Likewise.
484 * config/alpha/elf.h: Likewise.
485 * config/arc/arc.h: Likewise.
486 * config/arm/aof.h: Likewise.
487 * config/arm/coff.h: Likewise.
488 * config/arm/elf.h: Likewise.
489 * config/c4x/c4x.h: Likewise.
490 * config/h8300/h8300.h: Likewise.
491 * config/i386/cygwin.h: Likewise.
492 * config/i386/djgpp.h: Likewise.
493 * config/i386/i386-coff.h: Likewise.
494 * config/i386/i386-interix.h: Likewise.
495 * config/i386/sco5.h: Likewise.
496 * config/i386/vsta.h: Likewise.
497 * config/i386/win32.h: Likewise.
498 * config/i960/i960-coff.h: Likewise.
499 * config/ia64/sysv4.h: Likewise.
500 * config/m68hc11/m68hc11.h: Likewise.
501 * config/m68k/coff.h: Likewise.
502 * config/m68k/mot3300.h: Likewise.
503 * config/m88k/m88k.h: Likewise.
504 * config/mcore/mcore-pe.h: Likewise.
505 * config/mcore/mcore.h: Likewise.
506 * config/mips/elf.h: Likewise.
507 * config/mips/elf64.h: Likewise.
508 * config/mips/iris6.h: Likewise.
509 * config/pa/pa64-hpux.h: Likewise.
510 * config/rs6000/sysv4.h: Likewise.
511 * config/sh/sh.h: Likewise.
512 * config/sparc/litecoff.h: Likewise.
514 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
515 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
516 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
517 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
518 (ASM_OUTPUT_DESTRUCTOR): Remove.
519 * config/a29k/a29k.c: Move include of tree.h.
520 * config/a29k/udi.h: Delete file.
521 * config/alpha/alpha.c (vms_asm_out_constructor): New.
522 (vms_asm_out_destructor): New.
523 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
524 (EXTRA_SECTION_FUNCTIONS): Likewise.
525 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
526 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
527 * config/c4x/c4x.c: Move include of tree.h.
528 * config/clipper/clipper.c (clix_asm_out_constructor): New.
529 (clix_asm_out_destructor): New.
530 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
531 (ASM_OUTPUT_DESTRUCTOR): Remove.
532 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
533 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
534 (TARGET_ASM_CONSTRUCTOR): New.
535 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
536 (sco_asm_out_constructor): New.
537 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
538 * config/i386/svr3gas.h: Remove stack grows up code.
539 Remove code duplicated from i386/sysv3.h.
540 (TARGET_ASM_CONSTRUCTOR): New.
541 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
542 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
543 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
544 (TARGET_ASM_CONSTRUCTOR): New.
545 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
546 (m68hc11_asm_out_destructor): New.
547 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
548 (TARGET_ASM_DESTRUCTOR): New.
549 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
550 * config/m68k/dpx2.h: Properly undef all the bits inherited from
551 config/svr3.h pertaining to section manipulation.
552 * config/m68k/dpx2g.h: Remove #if 0 code.
553 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
554 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
555 (ASM_OUTPUT_CONSTRUCTOR): Remove.
556 (TARGET_ASM_CONSTRUCTOR): New.
557 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
558 (m88k_svr3_asm_out_constructor): New.
559 (m88k_svr3_asm_out_destructor): New.
560 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
561 (ASM_OUTPUT_DESTRUCTOR): Remove.
562 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
563 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
564 * config/rs6000/aix.h: Likewise.
565 * config/mips/rtems64.h: Don't undef removed constructor related bits.
566 * config/mips/vxworks.h: Likewise.
567 * config/rs6000/lynx.h: Likewise.
568 * config/sh/elf.h: Likewise.
569 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
570 (DTORS_SECTION_ASM_OP): New.
571 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
572 (ASM_OUTPUT_DESTRUCTOR): Remove.
573 * config/sparc/sol2-sld-64.h: Likewise.
574 * config/vax/vax.c (vms_asm_out_constructor): New.
575 (vms_asm_out_destructor): New.
576 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
577 (ASM_OUTPUT_DESTRUCTOR): Remove.
578 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
580 * doc/tm.texi (@node Initialization): Update.
582 2001-08-09 Richard Henderson <rth@redhat.com>
584 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
585 (__do_global_dtors_aux): Use gp-relative static data to avoid
586 one dynamic relocation.
587 (__do_frame_setup): Register Java classes.
588 * config/alpha/crtend.asm (__JCR_END__): New.
590 2001-08-09 Zack Weinberg <zackw@stanford.edu>
592 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
593 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
594 (GEN, STAGESTUFF): Add new files.
595 (insn-constants.h, s-constants, tm-preds.h, s-preds,
596 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
597 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
598 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
599 as well as insn-codes.h and insn-flags.h in config.h; and no
600 extra headers in tconfig.h and hconfig.h.
602 * gencodes.c: Eliminate code to generate predicate declarations
603 or #defines for md-file constants.
604 * genconstants.c, genpreds.c: New files.
606 * i386.md: Re-order guard expressions such that TARGET_64BIT
607 comes first, when this permits better optimization. Add
608 TARGET_64BIT to more x86-64 patterns. Add comment explaining
609 why this is desirable.
611 2001-08-09 Jakub Jelinek <jakub@redhat.com>
613 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
614 (find_fde_for_dso): Remove.
615 (_Unwind_IteratePhdrCallback): New.
616 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
617 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
619 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
621 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
622 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
624 2001-08-09 Graham Stott <grahams@redhat.com>
626 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
627 (vis_no_unit): Use it.
628 (visualize_no_unit): Add the insn only if room exists.
630 2001-08-09 Graham Stott <grahams@redhat.com>
632 * predict.c (estimate_probability): Replace magic numbers with
633 appropriate enumeration.
635 2001-08-09 Graham Stott <grahams@redhat.com>
637 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
638 parameter.
639 (EXTRACT_FLAGS): Likewise.
641 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
643 * config/mips/mips.c (mips_legitimate_address_p): Check for
644 CONST_INT in last patch.
646 2001-08-08 Anthony Green <green@redhat.com>
648 * java/class.c (emit_register_classes): Use assemble_jcr if
649 possible. Keep the original mechanism as a fallback.
650 * defaults.h (JCR_SECTION_NAME): Define if we have named section
651 and weak symbol support.
652 * crtstuff.c (__JCR_LIST__): Define.
653 (__JCR_END__): Define.
654 (_Jv_RegiserClasses): Define weak symbol if possible.
655 (__do_global_ctors_aux): Register classes for ELF targets with
656 weak symbol support.
658 2001-08-08 Kazu Hirata <kazu@hxi.com>
660 * dbxout.c: Fix comment formatting.
661 * dependence.c: Likewise.
662 * df.c: Likewise.
663 * diagnostic.c: Likewise.
664 * dominance.c: Likewise.
665 * doprint.c: Likewise.
666 * dwarf2out.c: Likewise.
667 * dwarfout.c: Likewise.
668 * emit-rtl.c: Likewise.
669 * except.c: Likewise.
670 * explow.c: Likewise.
671 * expmed.c: Likewise.
672 * expr.c: Likewise.
673 * flow.c: Likewise.
674 * fold-const.c: Likewise.
675 * function.c: Likewise.
677 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
679 * global.c (retry_global_alloc): Avoid shadowing allocno.
681 2001-08-08 Mark Mitchell <mark@codesourcery.com>
683 * except.c (remove_fixup_regions): Fix typo.
685 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
687 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
688 unsigned HOST_WIDE_INT to avoid warning.
689 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
690 * flow.c (set_block_for_new_insns): Likewise.
692 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
694 * sibcall.c (return_value_pseudo): New static variable.
695 (skip_copy_to_return_value): Handle return_value_pseudo.
696 (call_ends_block_p): Ensure that return_value_pseudo is set.
697 (optimize_sibling_and_tail_recursive_call): Discover the
698 load of pseudo return value in alternate exit block.
700 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
702 * calls.c (ECF_ALWAYS_RETURN): New constant.
703 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
704 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
705 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
706 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
707 * rtl.c (reg_note_name): New name.
708 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
710 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
712 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
714 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
716 * alias.c (get_alias_set): Return a previously calculated
717 alias set for a VAR_DECL.
718 * function.c (gen_mem_addressof): Calculate the alias set before
719 touching the RTL.
721 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
723 * predict.def: Set hitrates according our experimental run.
725 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
727 * i386.h (HARD_REGNO_RENAME_OK): New macro.
729 2001-08-08 H.J. Lu <hjl@gnu.org>
731 * config/mips/mips.c (mips_unique_section): New. Copied from
732 config/mips/elf.h.
734 * config/mips/mips-protos.h (mips_unique_section): New
735 prototype.
737 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
739 * config/mips/little.h: New. Generic little endian mips
740 targets. Only mips*-*-linux* is converted to use it so far.
742 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
743 (WCHAR_TYPE): Defined
744 (WCHAR_TYPE_SIZE): Likewise.
745 (INIT_SUBTARGET_OPTABS): Likewise.
746 (BSS_SECTION_ASM_OP): Likewise.
747 (SBSS_SECTION_ASM_OP): Likewise.
748 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
749 (ASM_DECLARE_OBJECT_NAME): Likewise.
750 (UNIQUE_SECTION): Likewise.
751 (EXTRA_SECTIONS): Likewise.
752 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
753 (ASM_OUTPUT_DESTRUCTOR): Likewise.
754 (ASM_OUTPUT_DEF): Likewise.
755 (HANDLE_SYSV_PRAGMA): Removed.
756 (NO_IMPLICIT_EXTERN_C): Likewise.
757 (TARGET_MEM_FUNCTIONS): Likewise.
758 (STARTFILE_SPEC): Likewise.
759 (ENDFILE_SPEC): Likewise.
760 (LIB_SPEC): Likewise.
761 (INVOKE__main): Likewise.
762 (CTOR_LIST_BEGIN): Likewise.
763 (CTOR_LIST_END): Likewise.
764 (DTOR_LIST_BEGIN): Likewise.
765 (DTOR_LIST_END): Likewise.
766 (SET_ASM_OP): Likewise.
767 (ASM_OUTPUT_SOURCE_LINE): Likewise.
768 (ASM_OUTPUT_DEF): Likewise.
769 (ASM_OUTPUT_IDENT): Likewise.
771 * config/mips/mips.h (ASM_SPEC): Undefine before define.
772 (CPLUSPLUS_CPP_SPEC): Likewise.
773 (ASM_APP_ON) Redefine only if not defined.
774 (ASM_APP_OFF): Likewise.
775 (ASM_OUTPUT_SOURCE_LINE): Likewise.
776 (ASM_OUTPUT_IDENT): Likewise.
778 * config.gcc: Update tm_file for Linux/mips.
780 2001-08-08 Bernd Schmidt <bernds@redhat.com>
782 * cselib.c (cselib_record_sets): If insn is predicated, turn
783 sources into IF_THEN_ELSEs.
785 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
786 Turn into define_insn_and_split.
788 * sched-deps.c: Include "cselib.h".
789 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
790 Use cselib to turn memory addresses into VALUEs.
791 (sched_analyze): Call cselib_init/cselib_finish if necessary.
792 * sched-int.h (struct sched_info): New member USE_CSELIB.
793 * sched-ebb.c (ebb_sched_info): Initialize it.
794 * sched-rgn.c (rgn_sched_info): Likewise.
795 * Makefile.in (sched-deps.o): Update dependencies.
797 * cselib.h (cselib_subst_to_values): Declare.
798 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
799 that have no value and autoincs to be handled by generating a new
800 dummy value.
802 2001-08-08 Graham Stott <grahams@redhat.com>
804 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
805 within fixed length SEQUENCE.
807 2001-08-08 Graham Stott <grahams@redhat.com>
809 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
810 (diagnostic_prefixing_rule): Likewise.
811 (diagnostic_line_cutoff): Likewise.
812 (diagnostic_kind_count): Likewise.
814 2001-08-08 Graham Stott <grahams@redhat.com>
816 * alias.c (find_base_decl): Delete redundent assignment.
818 2001-08-08 Graham Stott <grahams@redhat.com>
820 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
821 (abs): Uppercase and paranthesize macro parameter.
822 (MEM_DEPENDENCY): Add whitespace.
824 2001-08-08 Graham Stott <grahams@redhat.com>
826 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
827 failure check for CONST_INT
829 2001-08-08 Graham Stott <grahams@redhat.com>
831 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
832 (libcall_dead_p): Likewise.
834 (mark_used_regs): Constify fmt.
835 (find_use_as_address): Likewise.
837 2001-08-08 Graham Stott <grahams@redhat.com>
839 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
840 parameter.
842 2001-08-08 Graham Stott <grahams@redhat.com>
844 * combine.c (combine_simplify_rtx): Update comment and
845 remove erroneous test.
847 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
849 * cppinit.c (cpp_finish): Pop the final buffer without comment.
850 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
851 take care to avoid multiple no-newline at EOF warnings in that
852 case.
854 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
856 * calls.c (expand_call): Do not emit INSN_SETJMP note.
857 (emit_library_call_value_1): Likewise.
858 (emit_call_1): Emit REG_SETJMP note.
859 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
860 of INSN_SETJMP
861 * cselib.c (cselib_process_insn): Likewise.
862 * flow.c (propagate_block): Likewise.
863 * loop.c (find_and_verify_loops): Likewise.
864 * reload.c (find_equiv_regs): Likewise.
865 * reload1.c (reload): Likewise.
866 * resource.c (mark_referenced_resources,
867 mark_set_resources): Likewise.
868 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
869 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
870 * haifa-sched.c (unlink_other_notes): Likewise.
871 (reemit_notes): Likewise.
872 * sched-ebb.c (sched_ebb): Likewise.
873 * sched-rgc.c (sched_region): Likewise.
874 * rtl.c (note_insn_name): Likewise.
875 (reg_note_name): Add REG_SETJMP
876 * rtl.h (reg_note): Add REG_SETJMP.
877 (insn_note): Remove NOTE_INSN_SETJMP.
879 * profile.c (branch_prob): Add fake edges for setjmp.
881 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
883 * config.gcc: Quote target_cpu_default2 correctly for
884 powerpc*-*-* targets.
886 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
888 * cpplib.h, line-map.h: Update comments.
889 * cppmain.c (printer_init): Move inline.
890 (maybe_print_line, print_line): Take a map pointer.
891 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
892 (cb_file_change): Don't use prior value of print.map.
894 2001-08-07 David Edelsohn <edelsohn@gnu.org>
896 * doc/install.texi: Document fine-grained multilib configuration.
898 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
900 * rtlanal.c (find_first_parameter_load): Call note_stores
901 only on the instructions.
903 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
905 * alias.c (nonlocal_mentioned_p):
906 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
907 * calls.c (emit_call_1): Likewise.
908 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
909 * cselib.c (cselib_process_insn): Likewise.
910 * df.c (df_insns_modify): Likewise.
911 * flow.c (need_fake_edge_p): Likewise.
912 (propagate_one_insn): Likewise.
913 * haifa-sched.c (reemit_notes): Likewise.
914 * integrate.c (copy_insn_list): Likewise.
915 * jump.c (delete_prior_computation): Likewise.
916 * local-alloc.c (validate_equiv_mem): Likewise.
917 * loop.c (scan_loop): Likewise.
918 * predict.c (estimate_probability): Likewise.
919 * reload.c (reload): Likewise.
920 * sched-deps (sched_analyze): Likewise.
921 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
922 * gcse.c (compute_hash_table): Likewise.
923 (mark_call): Likewise.
924 (store_killed_in_insn): Likewise.
926 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
928 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
930 2001-08-06 Richard Henderson <rth@redhat.com>
932 * varasm.c (assemble_gc_entry): Remove.
933 * output.h: Likewise.
935 2001-08-06 Richard Henderson <rth@redhat.com>
937 * varasm.c (assemble_constructor): Take a symbol_ref and a
938 priority instead of a bare string. Move priority handling
939 here from cp/decl2.c.
940 * output.h: Update decls.
942 * c-decl.c (c_expand_body): Update calls to assemble_constructor
943 and assemble_destructor.
944 * profile.c (output_func_start_profiler): Likewise.
945 * objc/objc-act.c (finish_objc): Likewise.
946 (build_module_descriptor): Return the symbol not the symbol name.
948 2001-08-06 David Edelsohn <edelsohn@gnu.org>
950 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
951 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
952 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
953 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
954 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
955 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
957 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
959 * cpperror.c (print_containing_files): Moved to line-map.c.
960 (print_location): line-map.c handles re-listing or otherwise.
961 * cpphash.h (struct lexer_state): Remove next_bol.
962 (struct cpp_buffer): Remove include_stack_listed.
963 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
964 Remove faked buffer handling.
965 (_cpp_do_file_change): Tweak.
966 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
967 * cppmain.c (struct printer): Remove filename.
968 (print_line, cb_file_change): Update accordingly.
969 * line-map.c: Include intl.h.
970 (init_line_maps): Initialize last_listed.
971 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
972 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
973 (print_containing_files): New.
974 * line-map.h (struct line_maps): New member last_listed.
975 (print_containing_files, INCLUDED_FROM): New.
976 * Makefile.in: Update.
977 * po/POTFILES.in: Add line-map.c.
979 2001-08-06 Richard Henderson <rth@redhat.com>
981 * except.c (convert_from_eh_region_ranges_1): Never mark
982 USE or CLOBBER insns as throwing.
984 * expr.c (store_constructor): Don't clobber memory targets.
986 2001-08-06 Andreas Jaeger <aj@suse.de>
988 * profile.c (branch_prob): Remove unused variable insn.
990 * Makefile.in (local-alloc.o): Add dependency on except.h.
992 * local-alloc.c: Include except.h for can_throw_internal prototype.
994 2001-08-06 Richard Henderson <rth@redhat.com>
996 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
997 * function.c (expand_main_function): Implement it.
998 * doc/tm.texi: Document it.
1000 2001-08-06 Stan Shebs <shebs@apple.com>
1002 * doc/install.texi: Document powerpc-*-darwin* details.
1004 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1006 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1007 (ASM_CPU_SPEC): Move back to rs6000.h
1008 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1010 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1012 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1013 readded.
1015 * config/rs6000/linux64.h: Ditto.
1017 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1018 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1019 nothing.
1021 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1022 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1024 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1025 to rs6000.h
1027 2001-08-05 Richard Henderson <rth@redhat.com>
1029 * local-alloc.c (update_equiv_regs): Do not move insns that
1030 can throw.
1032 2001-08-05 Jan Hubicka <jh@suse.cz>
1034 * Makefile.in (reload1.o): Add dedendancy on except.h
1035 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1036 prototypes.
1037 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1038 indicating wehther edges has been cleaned up.
1039 * reload1.c: Inlucde except.h
1040 (fixup_abnormal_edges): Accept deleted insns.
1041 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1042 after combine.
1044 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1046 * cpplib.c (do_line): Correct line number after pop_buffer.
1048 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1050 PR preprocessor/3824
1051 * line-map.c: Update comments.
1052 * line-map.h: Update comments.
1053 * tradcif.y: Don't consider large numbers unsigned.
1055 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1057 PR preprocessor/3081
1058 * c-lex.c (map): New.
1059 (cb_file_change): Update map and use it.
1060 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1061 (c_lex): Update to use map.
1062 * cpperror.c (print_location): Move to using logical line numbers.
1063 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1064 (cpp_make_system_header): Similarly.
1065 (_cpp_execute_include): Stop line numbering hacks. Store the
1066 line we will return to.
1067 * cpphash.h (CPP_BUF_LINE): Remove.
1068 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1069 Add map and return_to_line.
1070 (_cpp_do_file_change): Update.
1071 * cppinit.c (cpp_start_read): Update line kludge.
1072 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1073 (trigraph_ok): Use logical line numbers for diagnostics.
1074 (skip_block_comment): Likewise.
1075 (skip_whitespace): Likewise.
1076 (skip_line_comment): Use pfile->line instead.
1077 (_cpp_lex_token): Update to use logical line numbering exclusively.
1078 Handle BOL locally. Accept new lines in directives, but keep
1079 pfile->line decremented. Diagnostics use logical lines. Update
1080 directive handling.
1081 * cpplib.c (SEEN_EOL): New.
1082 (skip_rest_of_line, check_eol): Use it.
1083 (end_directive): Increase line number when accepting the newline
1084 at the end of a directive.
1085 (run_directive): Simplify.
1086 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1087 (_cpp_do_file_change): Update to take buffer line number as an
1088 argument, and store the current map in the cpp_reader. Remove
1089 line number kludges.
1090 (_cpp_do__Pragma): Restore output position after a _Pragma.
1091 (cpp_push_buffer): Don't set output line or lineno.
1092 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1093 Remove line kludge. Set output_line.
1094 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1095 (parse_arg): Use logical lines.
1096 (save_lookahead_token): Save EOFs too now.
1097 * cppmain.c (struct printer): Fix comments.
1098 (printer_init): Simplify, let caller do errors.
1099 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1100 (maybe_print_line): Simplify.
1101 (print_line): Don't print a linemarker if -P.
1102 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1103 (cb_file_change): Simplify.
1104 * line-map.h (LAST_SOURCE_LINE): Fix.
1105 (CURRENT_LINE_MAP): New.
1107 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1109 * doloop.c (doloop_modify_runtime): Properly compute number of
1110 iterations if loop was unrolled.
1112 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1113 if their CSELIB_VAL_PTRs are.
1115 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1116 (setup_spill_pointers): Initialize it.
1117 (spill_restore_mem): Set it.
1118 (do_spill, do_restore): Use it to add REG_INC note.
1119 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1121 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1122 asms if other insns are available.
1124 * config/ia64/ia64.c (condop_operator): New predicate.
1125 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1126 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1127 patterns.
1129 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1130 temporary register than directly using a MEM.
1132 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1134 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1135 parameter in last change.
1137 2001-08-04 Zack Weinberg <zackw@panix.com>
1139 * sparc.md: Don't use #if inside C test expression.
1141 2001-08-04 Richard Henderson <rth@redhat.com>
1143 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1145 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1147 * cpphash.h (struct cpp_reader): New member directive_line.
1148 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1149 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1150 do_pragma): Pass line to callbacks.
1151 (start_directive): Record line of directive.
1152 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1153 cb_include): Similarly.
1154 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1155 Similarly.
1157 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1159 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1160 comment.
1162 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1164 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1166 * reload1.c (fixup_abnormal_edges): New static function.
1167 (reload): Use it.
1169 * flow.c (need_fake_edge_p): New function.
1170 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1171 avoid call insn to be very last insn in the insn stream.
1173 * profile.c (branch_prob): Call flow_call_edges_add instead of
1174 doing that by hand; cleanup cfg to re-merge basic blocks once
1175 we are done.
1177 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1179 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1180 are also on line-map.h.
1181 * cppfiles.c (stack_include_file): Update.
1182 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1183 (_cpp_pop_buffer): New.
1184 * cppinit.c (cpp_destroy, cpp_finish): Update.
1185 (do_includes): Mark each buffer to return at EOF.
1186 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1187 return as requested.
1188 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1189 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1190 * cpplib.h (cpp_pop_buffer): Remove.
1191 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1192 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1193 buffers.
1194 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1195 to pop buffers.
1196 (do_preprocessing): Update.
1197 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1198 * c-parse.in (_yylex): Similarly.
1199 * scan-decls.c (scan_decls): Similarly.
1200 * line-map.h: Update comments.
1202 * objc/Make-lang.in (objc-act.o): Update dependencies.
1204 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1206 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1207 and soft register for operand 0.
1208 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1210 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1212 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1213 register for operand 0.
1214 ("bitcmpqi_z_used"): Allow memory for operand 0.
1215 (split "bitcmpqi"): New split to handle address reg as operand 1.
1217 2001-08-04 Andreas Jaeger <aj@suse.de>
1219 * gcse.c: Revert Daniel's last patch.
1221 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1223 * sparc-protos.h: Add prototypes for fp_zero_operand and
1224 reg_or_0_operand.
1225 * sh-protos.h: Add prototype for fpul_operand.
1227 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1229 * doc/extend.texi (Other Builtins): Fix typo in last change.
1231 2001-08-03 Richard Henderson <rth@redhat.com>
1233 * target.h (gcc_target): Add asm_out.named_section,
1234 section_type_flags, have_named_sections.
1235 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1236 (TARGET_HAVE_NAMED_SECTIONS): New.
1237 (TARGET_SECTION_TYPE_FLAGS): New.
1239 * Makefile.in (toplev.o): Depend on TARGET_H.
1240 (varasm.o, dbxout.o): Likewise.
1241 * c-common.c (decl_attributes): Check targetm.have_named_sections
1242 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1243 * dbxout.c (dbxout_function_decl): Likewise.
1244 (dbxout_function_end): Likewise.
1245 * toplev.c (compile_file): Likewise.
1246 * varasm.c (exception_section): Likewise.
1247 * cp/decl2.c (finish_objects): Likewise.
1249 * defaults.h (EH_FRAME_SECTION): Remove.
1250 (EH_FRAME_SECTION_ASM_OP): Remove.
1251 (EH_FRAME_SECTION_NAME): New.
1252 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1253 (UNIQUE_SECTION_P): Remove.
1254 * dwarf2out.c (SECTION_FORMAT): Remove.
1255 (ASM_OUTPUT_SECTION): Remove.
1256 (output_call_frame_info): Use named_section_flags.
1257 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1258 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1259 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1260 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1261 (named_section_flags): New.
1262 (named_section): Use it and targetm.section_type_flags.
1263 (resolve_unique_section): New.
1264 (assemble_start_function): Use it.
1265 (asm_emit_uninitialised, assemble_variable): Likewise.
1266 (default_section_type_flags): New.
1267 (default_no_named_section, default_elf_asm_named_section): New.
1268 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1269 * output.h: Update varasm.c decls.
1270 (SECTION_*): New flags.
1272 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1273 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1275 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1276 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1277 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1278 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1279 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1280 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1281 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1282 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1283 * config/pa/pa64-hpux.h,
1285 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1286 (TARGET_ASM_NAMED_SECTION): New.
1287 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1288 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1289 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1290 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1291 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1292 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1293 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1294 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1295 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1296 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1297 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1298 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1299 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1300 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1301 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1302 * config/sparc/sysv4.h: Likewise.
1304 * config/nextstep.h: Error until named sections implemented.
1306 * config/a29k/a29k.c (a29k_asm_named_section): New.
1307 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1308 (vms_section_type_flags, vms_asm_named_section): New.
1309 * config/arm/arm.c (arm_elf_asm_named_section): New.
1310 * config/avr/avr.c (asm_output_section_name): Remove.
1311 * config/avr/avr-protos.h: Update.
1312 * config/c4x/c4x.c (c4x_asm_named_section): New.
1313 * config/h8300/h8300.c (h8300_asm_named_section): New.
1314 * config/i386/i386.c (sco_asm_named_section): New.
1315 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1316 (i386_pe_section_type_flags): New.
1317 (i386_pe_asm_named_section): New.
1318 * config/i386/i386-protos.h: Update.
1319 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1320 * config/mcore/mcore.c (mcore_asm_named_section): New.
1321 * config/mips/mips.c (iris6_asm_named_section): New.
1322 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1323 instead of UNIQUE_SECTION_P.
1324 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1325 (xcoff_asm_named_section): New.
1326 * config/sh/sh.c (sh_asm_named_section): New.
1327 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1329 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1330 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1331 (EH_FRAME_SECTION_NAME): New.
1332 (EXCEPTION_SECTION): New.
1333 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1334 (DEBUG_*_SECTION): Remove.
1335 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1336 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1337 (EH_FRAME_SECTION_ASM_OP): Remove.
1339 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1340 (ASM_OUTPUT_SECTION_NAME): Remove.
1341 (TARGET_ASM_NAMED_SECTION): New.
1342 (TARGET_HAVE_NAMED_SECTIONS): New.
1343 (TARGET_SECTION_TYPE_FLAGS): New.
1344 (EH_FRAME_SECTION_ASM_OP): Remove.
1345 (EH_FRAME_SECTION_NAME): New.
1347 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1349 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1350 for complex expressions when cfun == 0.
1351 * doc/extend.texi: Document that __builtin_constant_p can be
1352 used in data initializers as well as functions.
1354 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1356 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1357 variable I locally, instead of expecting a declaration in the
1358 calling context.
1360 2001-08-03 Richard Henderson <rth@redhat.com>
1362 * except.c (collect_one_action_chain): Add an explicit cleanup
1363 action if regions surrounding a catch were encoded entirely
1364 within the call-site entry.
1366 2001-08-03 Richard Henderson <rth@redhat.com>
1368 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1369 don't take REGNO of a non-register.
1371 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1373 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1374 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1375 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1376 (__gthread_mutex_init_function): New function for mutex initialization.
1378 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1380 * Makefile.in: Revert screwed up commit.
1382 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1384 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1385 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1386 merged by linker script to get a final _exit().
1387 (__do_global_dtors): New for destructor handling in specific exit
1388 section.
1389 (__do_global_ctors): New for constructors in specific install section.
1390 (__map_data_section): Map data sections before running constructors.
1391 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1392 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1393 (DTORS_SECTION_ASM_OP): Likewise.
1394 (CTORS_SECTION_FUNCTION): Define to force a reference to
1395 __do_global_ctors.
1396 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1398 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1400 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1402 * Makefile.in: Add df.h to gcse.c dependencies.
1404 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1406 * varasm.c (output_constant_def_contents): Use for the length of a
1407 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1408 depending on which is larger.
1410 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1412 * gcse.c: Include df.h for use as a dataflow analyzer.
1413 Remove regvec.
1414 Declaration of reg_set_info: gone.
1415 New df_analyzer variable used by store motion.
1416 (reg_set_info): Deleted.
1417 (mark_mem_regs): New function, analyze regs used by a mem.
1418 (store_ops_ok): Use dataflow analyzer results to determine if
1419 necessary regs are changed in the block.
1420 (find_moveable_store): Remove check for symbol ref, we can handle
1421 much more complex expressions now.
1422 (compute_store_table): Remove most of the code, it's unnecessary
1423 now that the dataflow analyzer records the info for us.
1424 (store_killed_after): Add parameter to say whether to do the
1425 store_ops_okay test, used to speed up testing when we already know
1426 the answer, and just want to know if the store itself was killed.
1427 (build_store_vector): Largely rewritten to calculate the various
1428 vectors properly, and somewhat optimized.
1429 (store_motion): Init the df_analyzer, get REG_DEF chains.
1430 Also handle trapping expressions (since mems almost always trap)
1431 (simple_mem): Redefine what a simple mem is.
1433 2001-08-03 DJ Delorie <dj@redhat.com>
1435 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1436 set from a constant part of the condition.
1438 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1440 * mkdeps.c (deps_add_default_target): Make local variable
1441 ``start'' a const char pointer.
1442 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1444 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1446 * doc/install.texi (Configuration): Fix markup.
1447 (Specific, i?86-*-udk): Likewise.
1448 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1449 --with-gnu-ld.
1450 Document --enable-threads and --enable-libgcj status.
1451 (Specific, mips-sgi-irix*): Canonicalize triples.
1452 (Specific, mips-sgi-irix5): Warn about problems with this config.
1453 Mention required GNU as patch.
1454 Native assembler problems are fixed.
1455 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1456 Document --enable-threads and --enable-libgcj status.
1458 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1460 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1461 of mkinstalldirs.
1463 2001-08-03 Richard Henderson <rth@redhat.com>
1465 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1466 constant data.
1468 2001-08-03 Richard Henderson <rth@redhat.com>
1470 * rtlanal.c (find_first_parameter_load): Stop if we
1471 reach a CODE_LABEL at BOUNDARY.
1473 2001-08-03 Richard Henderson <rth@redhat.com>
1475 * config/alpha/alpha.md (force_movdi): New insn.
1476 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1477 Tweek FRP marking of VMS prologue insns.
1478 * config/alpha/vms.h (EPILOGUE_USES): New.
1480 2001-08-02 Richard Henderson <rth@redhat.com>
1482 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1484 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1486 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1487 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1488 config/convex/convex.h, config/d30v/d30v.c,
1489 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1490 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1491 config/mips/mips.h, config/mn10200/mn10200.h,
1492 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1493 config/v850/v850.h, config/vax/openbsd.h,
1494 config/vax/openbsd1.h, config/vax/ultrix.h,
1495 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1496 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1497 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1498 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1499 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1500 in comments and documentation.
1502 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1504 * line-map.c: New.
1505 * line-map.h: New.
1506 * Makefile.in (line-map.o): New.
1507 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1508 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1509 * cpperror.c (print_containing_files): Similarly.
1510 (print_location): Update. Don't output a space before _Pragma.
1511 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1512 (stack_include_filee, cpp_make_system_header): Update.
1513 (_cpp_execute_include): Get logical line number right for calling
1514 as-yet-unterminated #include.
1515 * cpphash.h (struct cpp_reader): Add line_maps.
1516 (_cpp_do_file_change): Update.
1517 * cppinit.c (cpp_create_reader): Initialize line maps.
1518 (cpp_destroy): Destroy line maps.
1519 (cpp_start_read): Get logical line number right.
1520 * cpplex.c (parse_string): Only warn once for multi-line strings.
1521 Use boolean variable for null warning.
1522 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1523 already.
1524 (do_include_common): End the directive early.
1525 (do_line): Don't warn about out-of-range lines in preprocessed
1526 source. Update. Remove unused variables.
1527 (_cpp_do_file_change): Update for new line mapping.
1528 (pragma_cb): New typedef.
1529 (cpp_register_pragma): Stop looking ahead before calling the
1530 handler. Clean up.
1531 (do_pragma_system_header): End directive early.
1532 (cpp_get_line_maps): New.
1533 (cpp_pop_buffer): Fudge logical line. Update.
1534 * cpplib.h: Include line-map.h
1535 (enum cpp_fc_reason): Remove.
1536 (struct cpp_file_change): Update.
1537 (cpp_get_line_maps): New.
1538 * cppmain.c (struct_printer): New member map.
1539 (cb_file_change): Update for new mappings.
1540 * fix-header.c (cb_file_change): Similarly.
1542 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1544 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1545 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1547 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1549 * config/vax/vax.c: include expr.h.
1551 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1553 * Makefile.in ($(srcdir)/configure): Only rebuild in
1554 maintainer mode.
1555 ($(srcdir)/config.in): Only define in maintainer mode.
1556 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1558 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1560 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1562 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1564 * gcc.c (set_collect_gcc_options): New function, split out from
1565 main.
1566 Ignore elided switches.
1567 (do_spec_1): Invoke before executing command.
1568 (set_input): Export.
1569 Move declaration ...
1570 * gcc.h (set_input): ... here.
1571 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1572 file.
1574 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1576 Kill -fhonor-std.
1577 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1578 interaction.
1579 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1581 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1583 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1584 for the unnamed instructions it expands to.
1586 2001-08-02 Richard Henderson <rth@redhat.com>
1588 * regclass.c (call_really_used_regs): Conditionally define.
1589 (init_reg_sets_1): Don't use it if not defined.
1590 (fix_register): Similarly, don't set it.
1592 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1594 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1595 Correct comment that had been missed in the previous change.
1597 2001-08-01 Stan Shebs <shebs@apple.com>
1599 * config/darwin.c (machopic_stub_name): Try matching by name.
1600 (update_stubs): New function.
1601 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1602 unconditionally.
1604 2001-08-01 Richard Henderson <rth@redhat.com>
1606 * except.c (output_function_exception_table): Use assemble_align.
1607 * varasm.c (assemble_eh_label): Remove.
1608 (assemble_eh_align, assemble_eh_integer): Remove.
1610 2001-08-01 Robert Lipe <robertl@caldera.com>
1612 * dwarfout.c: Remove reference to README.DWARF.
1614 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1616 * regclass.c (call_really_used_regs): New array for registers which
1617 are actually used by a call.
1618 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1619 new array.
1620 (fix_register): Set call_really_used too.
1621 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1622 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1624 2001-08-01 Richard Henderson <rth@redhat.com>
1626 * read-rtl.c (read_name): Consider \r whitespace.
1628 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1630 * config.gcc: Recognize powerpc-*-netbsd*.
1632 * doc/install.texi (Host/target specific installation notes for
1633 GCC): Mention powerpc-*-netbsd*.
1635 * config/rs6000/netbsd.h: New file.
1636 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1637 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1638 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1639 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1640 (TARGET_VERSION): Redefine.
1642 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1643 mcall-netbsd as a match for mcall-sysv.
1644 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1645 (ncrti.S, ncrtn.S): New targets.
1646 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1648 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1649 "netbsd' as a V4 ABI.
1650 (ASM_SPEC): Check for -mcall-netbsd.
1651 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1652 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1653 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1654 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1655 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1656 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1657 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1659 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1660 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1662 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1664 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1665 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1666 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1667 including "unwind-pe.h".
1669 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1671 * rs6000.md (define_splits): Kill unused constraints.
1673 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1674 Jan Hubicka <jh@suse.cz>
1676 * function.c (thread_prologue_and_epilogue_insns): Kill code
1677 dealing with non-existent CFG.
1679 2001-08-01 Kazu Hirata <kazu@hxi.com>
1681 * alias.c: Fix comment formatting.
1682 * bitmap.c: Likewise.
1683 * builtins.c: Likewise.
1684 * calls.c: Likewise.
1685 * c-common.c: Likewise.
1686 * c-decl.c: Likewise.
1687 * c-dump.c: Likewise.
1688 * c-lex.c: Likewise.
1689 * collect2.c: Likewise.
1690 * combine.c: Likewise.
1691 * conflict.c: Likewise.
1692 * cppfiles.c: Likewise.
1693 * cppinit.c: Likewise.
1694 * cpplex.c: Likewise.
1695 * cpplib.c: Likewise.
1696 * cppmacro.c: Likewise.
1697 * cppspec.c: Likewise.
1698 * c-pragma.c: Likewise.
1699 * crtstuff.c: Likewise.
1700 * cse.c: Likewise.
1701 * cselib.c: Likewise.
1702 * c-semantics.c: Likewise.
1703 * c-typeck.c: Likewise.
1705 2001-08-01 H.J. Lu <hjl@gnu.org>
1707 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1709 2001-08-01 H.J. Lu <hjl@gnu.org>
1711 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1713 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1715 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1716 contextualizing Objective-C class name lookup by the lexer.
1717 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1718 seeing a TYPESPEC.
1719 (protocoldef): Add support for forward @protocol declarations.
1720 (yylexname): Suppress ObjC class name lookup in certain contexts;
1721 re-enable after lookup is complete.
1722 (_yylex): Re-enable ObjC class name lookup when certain
1723 punctuation marks are seen.
1725 * objc/objc-act.c (check_protocol_recursively): New function used
1726 for finding circular dependencies in protocols.
1727 (objc_declare_protocols): New function for handling forward
1728 @protocol declarations.
1729 (receiver_is_class_object): Detect the case when 'self' is used
1730 inside of a class method.
1731 (build_message_expr): Issue a warning if class method is desired
1732 but instance method is found instead.
1733 (conforms_to_protocol): Streamline.
1734 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1735 protocol Foo, even if 'Bar foo' does not.
1736 (check_protocols): Streamline.
1737 (start_protocol): Add checks for circular and duplicate protocol
1738 definitions.
1739 (encode_aggregate_within): For typedefs of structs, encode the
1740 underlying struct.
1741 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1742 (objc_declare_protocols): New prototype.
1744 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1746 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1747 * cpplex.c (handle_newline): Update prototype. Maintain logical
1748 line number.
1749 (skip_escaped_newlines, skip_block_comment, parse_string):
1750 Update accordingly.
1751 (_cpp_lex_token): Update, and store token position within the token.
1752 * cpplib.h (struct cpp_token): Add line and column entries.
1753 * cppmacro.c (replace_args): Position stringified tokens correctly.
1755 2001-08-01 Andreas Jaeger <aj@suse.de>
1757 * basic-block.h: Add prototype for last_loop_beg_note.
1759 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1761 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1762 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1763 comment.
1764 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1765 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1766 expand_decl_cleanup.
1767 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1768 the first RTX.
1769 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1770 operand while calling simple_cst_equal.
1771 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1772 operand is the cleanup expression, the third is the RTL_EXPR.
1773 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1775 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1777 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1779 2001-07-31 matthew green <mrg@eterna.com.au>
1781 * config.gcc (i386-*-netbsdelf): New description.
1782 * config/i386/netbsd-elf.h: New file.
1784 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1786 * loop.c (check_dbra_loop): Use single_set to compute
1787 jump_label.
1789 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1791 PowerPC reorg and support for powerpc64-*-linux*.
1793 Also fixes emitting of constants on 32 bit and 64 bit
1794 platforms.
1796 * config.gcc: powerpc64-*-linux* is a new target.
1797 Things that needed aix.h now also include xcoff.h
1799 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1800 xcoff.h.
1801 Move AIX specific stuff into aix.h.
1802 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1803 with more than just XCOFF now.
1804 (SET_ASM_OP): Remove, now defined where needed.
1805 (FUNCTION_PROLOGUE): New macro definition.
1806 (FUNCTION_EPILOGUE): New macro definition.
1807 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1809 * config/rs6000/xcoff.h: New file.
1811 * config/rs6000/linux64.h: New file.
1813 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1815 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1817 * rs6000.c (print_operand_address): Handle ELF syntax.
1818 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1819 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1820 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1822 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1824 * rs6000.c (rs6000_override_options): Only disable
1825 flag_function_sections for XCOFF.
1826 (exact_log2_cint_operand): New predicate.
1827 (reg_or_{add,sub}_cint64_operand): New predicates.
1828 (add_operand): Compare CONST_INT with fewer function calls.
1829 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1830 (print_operand, case 'p'): Ensure positive operand.
1831 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1832 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1833 (PREDICATE_CODES): Add new predicates.
1834 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1835 (divsi3, modsi3): Ensure positive power-of-2.
1836 (adddi3): Use new predicate. Split 32-bit constants more
1837 correctly. Re-arrange splitter to handle any constant.
1838 (subdi3): Use new predicate.
1839 (divdi3, moddi3): Ensure positive power-of-2.
1840 (movdi): Use rs6000_emit_set_const.
1841 (load_toc_v4_pic_di): Delete.
1843 2001-07-31 Graham Stott <grahams@redhat.com>
1845 * function.c (pad_below): Revert 2001-07-26 patch.
1847 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1849 * reg-stack (convert_regs_1): Fix best edge condition.
1851 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1853 * jump.c (duplicate_loop_exit_test): Better test for jumps
1854 entering the loop; create loop pre_header.
1856 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1858 * doc/install.texi: Add s390 and s390x as new targets.
1859 * doc/invoke.texi: Add documantation of S/390 and zSeries
1860 target options.
1861 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1863 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1865 * config/m68k/m68k.md: Replace all general_operand with
1866 nonimmediate_operand for all destinations.
1867 * config/m68k/m68k.c (not_sp_operand): Likewise.
1869 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1871 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1873 2001-07-30 Richard Henderson <rth@redhat.com>
1875 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1876 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1878 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1880 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1881 Add missing doc strings
1882 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1883 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1885 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1887 * i386.c (ix86_output_main_function_alignment_hack): New function.
1888 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1890 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1891 edges by EDGE_DFS_BACK flag.
1892 (dump_edge_info): Add dfs_back flag.
1893 * basic-block.h (EDGE_DFS_BACK): New constant.
1894 (mark_dfs_back_edges): Declare.
1895 * alias.c (loop_p): Remove.
1896 (mark_constant_function): Use mark_dfs_back_edges.
1898 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1899 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1900 (compensate_edge): Break out from ...
1901 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1902 (convert_regs_2): Set block_done once block is really done;
1903 Do updating of the predecesors counts.
1905 * toplev.c (rest_of_compilation): Recompute block_for_insn
1906 before post-reload cfg_cleanup.
1907 * function.c (thread_prologue_epilogue_insns):
1908 Call set_block_for_new_insns when emitting prologue directly.
1910 2001-07-30 Andreas Jaeger <aj@suse.de>
1912 * jump.c: Add prototype for mark_modified_reg.
1914 * cse.c (set_live_p): Add unused attribute.
1916 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1917 overflow.
1918 (scan_for_source_files): Use long for count to avoid overflow.
1919 (output_data): Likewise.
1920 (output_data): Don't use string concatatenation to silence gcc
1921 -traditional.
1923 * predict.c: Fix typos and grammar.
1925 * gcse.c (insert_insn_end_bb): Remove unused variables.
1927 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1929 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1930 (attempt_auto_inc): LIkewise.
1931 (mark_used_reg): Likewise.
1932 (try_pre_increment_1): Likewise.
1933 * regclass.c (regclass): Likewise.
1934 * global.c (allocno_compare): Update comment; change scaling factor.
1935 * local-alloc.c (QTY_CMP_PRI): Likewise.
1936 * regs.h (REG_FREQ_FROM_BB): New.
1937 (REG_FREQ_MAX): Likewise.
1939 2001-07-30 H.J. Lu <hjl@gnu.org>
1941 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1942 -D_GNU_SOURCE.
1944 2001-07-30 H.J. Lu (hjl@gnu.org)
1946 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1947 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1948 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1950 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1952 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1953 as -mthumb-interwork when -mcpu=arm7 is specified.
1955 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1957 * predict.def (noreturn, loop branch, loop exit): Mark as first
1958 match heuristics.
1960 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1962 * combine.c (try_combine): Avoid barrier after noop jumps.
1964 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1966 * cpphash.h (struct cpp_reader): Remove import_warning.
1967 * cpplib.c (skip_rest_of_line): Don't bother turning off
1968 macro expansion.
1969 (parse_include): Move include handling to...
1970 (do_include_common): ... here. Move import warning from...
1971 (do_import): ... here.
1972 (do_pragma_poison): Don't do a callback for poison identifiers.
1973 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1974 * cppmain.c (setup_callbacks): Similarly.
1976 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1978 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1979 handle multiple sets.
1980 * except.c (sjlj_mark_call_sites): .... here.
1981 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1983 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1985 Suggested by Richard Henderson and Richard Kenner:
1986 * combine.c (recog_for_combine): Use the fake recog
1987 only if instruction does not match.
1988 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1989 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1991 * combine.c (try_combine): Discover noop jump as direct jump.
1993 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1995 * df.c (df_rd_global_compute): Add successors to worklist, not
1996 current item.
1997 (df_ru_global_compute): Ditto.
1999 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2001 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2002 increment REG_N_SETS.
2004 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2006 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2008 * sbitmap.c (sbitmap_a_xor_b): New function.
2009 ifdef the basic block stuff on IN_GCC.
2011 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2013 * cppexp.c (parse_defined): Always record the macro name.
2014 (lex): Don't worry about identifiers, or special-case
2015 CPP_NOT here.
2016 (_cpp_parse_expr): Figure out at the end of the routine
2017 whether we saw a valid !defined() expression.
2018 * cppfiles.c (stack_include_file): Update for mi_valid.
2019 (_cpp_pop_file_buffer): Similarly.
2020 * cpplex.c (_cpp_lex_token): Similarly.
2021 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2022 mi_if_not_defined, mi_lexed): Remove.
2023 (mi_valid): New.
2024 * cpplib.c (do_if): Simplify.
2025 (do_endif, push_conditional, _cpp_handle_directive): Update
2026 for renaming of mi_state to mi_valid.
2027 doc:
2028 * cpp.texi: Add index entries for digraphs, and add comment
2029 that C++ refers to them as alternative tokens.
2031 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2033 * basic-block.h (CLEANUP_PRE_LOOP): New.
2034 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2035 * sibcall.c (optimize_sibling_calls): Likewise.
2036 * toplev.c (rest_of_compilation): Likewise.
2037 * flow.c (try_forward_edges): Take argument MODE;
2038 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2039 (try_optimize_cfg): Update call of try_forward_edges.
2041 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2042 Jan Hubicka <jh@suse.cz>
2044 * (validate_replace_rtx_1): Fix simplification of MINUS.
2046 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2048 PR preprocessor/3669
2049 * cppinit.c (init_dependency_output): Turn off dump requests
2050 if sending dependencies to stdout.
2052 2001-07-28 Richard Henderson <rth@redhat.com>
2054 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2055 not optimizing.
2057 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2059 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2061 2001-07-28 Kazu Hirata <kazu@hxi.com>
2063 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2064 is VAR_DECL first to prevent an ICE.
2066 2001-07-28 Richard Henderson <rth@redhat.com>
2068 * varasm.c (immed_real_const_1): Don't elide special cases for
2069 nested functions.
2070 (clear_const_double_mem): Clear const_tiny_rtx too.
2072 2001-07-28 Richard Henderson <rth@redhat.com>
2074 * dwarf2out.c (dw_val_class_offset): New.
2075 (struct dw_ranges_struct, dw_ranges_ref): New.
2076 (ranges_table, ranges_table_allocated): New.
2077 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2078 (add_AT_offset, add_ranges, output_ranges): New.
2079 (print_die, output_die): Handle dw_val_class_offset.
2080 (attr_checksum, size_of_die, value_format): Likewise.
2081 (gen_lexical_block_die): Handle non-contiguous blocks.
2082 (gen_block_die): Likewise.
2083 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2084 if needed. Dump the ranges table.
2085 * final.c (final_start_function): Remove unnecessary notes and
2086 rebuild the block tree before numbering the blocks.
2087 * function.c (reorder_blocks_0): Walk the existing block tree
2088 to unmark all blocks.
2089 (reorder_blocks_1): Create block fragments when duplicate block
2090 notes are seen.
2091 (reorder_fix_fragments): New.
2092 (reorder_blocks): Call it.
2093 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2095 2001-07-28 Richard Henderson <rth@redhat.com>
2097 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2099 2001-07-28 Richard Henderson <rth@redhat.com>
2101 * flow.c (add_to_mem_set_list): New function.
2102 (init_propagate_block_info): Use it.
2103 (mark_set_1): Likewise.
2104 (insn_dead_p): Canonicalize memory address for dead store
2105 comparison. Allow wider mode stores to kill narrower mode stores.
2106 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2107 (invalidate_mems_from_set): Don't handle MEMs.
2109 2001-07-28 Kazu Hirata <kazu@hxi.com>
2111 * config/h8300/h8300.h: Fix formatting.
2113 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2115 * basic-block.h (EDGE_FREQUENCY): New macro.
2116 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2117 for new BB/edges.
2118 * flow.c (find_sub_basic_blocks): Likewise.
2119 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2120 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2122 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2123 (HITRATE): New macro.
2124 (PRED_FLAG_FIRST_MATCH): New constant.
2125 (predictor_info): New field flgags.
2126 (combine_predictions_for_insn): Use DS theory to combine
2127 probabilities; set the edge probabilities when finished.
2128 (estimate_probability): Avoid duplicated matches
2129 of LOOP_BRANCH heuristics for nested loops; update comment.
2130 * predict.def: Add flags for each prediction, set probabilities
2131 according to B&L paper.
2132 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2134 * profile.c (compute_branch_probabilities): Cleanup way the edge
2135 probabilities are computed and REG_BR_PROB notes are dropped; if
2136 values does not match, emit error.
2137 (init_branch_prob): Do error instead of warning when profile driven
2138 feedback is missing or corrupt.
2140 2001-07-27 DJ Delorie <dj@redhat.com>
2142 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2143 against a constant, try to adjust the compare to have the desired
2144 constant in it so that min/max optimizations happen more often.
2146 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2148 * flow.c (last_loop_beg_note): New function.
2149 (redirect_edge_and_branch): Use it.
2150 (split_edge): Likewise.
2152 * alias.c (loop_p): Avoid uninitialized memory access.
2154 * flow.c (try_forward_edges): Avoid accessing freed memory.
2156 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2157 variable access.
2159 2001-07-26 Andrew Haley <aph@redhat.com>
2160 Joern Rennecke <amylaar@redhat.com>
2162 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2163 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2164 (SUBTARGET_CPP_SPEC): New.
2165 (CPP_SPEC): Remove.
2166 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2167 (SUBTARGET_CPP_PTR_SPEC): New.
2168 (CPP_DEFAULT_CPU_SPEC): New.
2169 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2170 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2171 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2172 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2173 (SUBTARGET_CPP_SPEC): Define as an empty string.
2175 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2177 * doc/install.texi (Configuration): Properly link the host
2178 specific instructions also when generating HTML.
2180 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2182 * flow.c (redirect_edge_and_branch_force): Test
2183 target->global_live_at_start.
2185 2001-07-26 Richard Henderson <rth@redhat.com>
2187 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2188 * rtl.h (avoid_constant_pool_reference): Declare it.
2189 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2190 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2192 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2194 * rtl.h (cleanup_barriers): Declare.
2195 * jump.c (cleanup_barriers): New function.
2196 * toplev.c (rest_of_compilation): Call cleanup_barriers
2197 before loop optimizer and after bb_reorder.
2199 * flow.c (back_edge_of_syntactic_loop_p): New.
2200 (split_edge): Use it.
2202 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2204 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2206 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2208 * cse.c (cse_process_notes): Replace any registers if the address
2209 remains valid.
2211 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2213 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2214 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2215 (propagate_block): Update prototype.
2216 * flow.c (update_life_info): Simplify the CFG and
2217 recalculate the global regs which are alive when
2218 removing dead code during a global update.
2219 (propagate_block): Return non-zero if an INSN is
2220 deleted.
2222 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2224 * Makefile.in (LIBICONV): Define.
2226 2001-07-26 Catherine Moore <clm@redhat.com>
2228 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2229 of conditional to avoid tree checking errors.
2231 2001-07-26 Kazu Hirata <kazu@hxi.com>
2233 * regmove.c (regmove_optimize): Don't replace a reg with
2234 another reg of a different mode.
2236 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2238 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2239 limit length of dependancy flush list.
2240 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2241 * sched-int.h (struct deps): Add pending_flush_length field.
2242 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2243 has 1 element in it.
2244 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2245 (sched_analyze): After a jump, if the pending memory flush list is too
2246 large, flush the pending lists.
2247 (init_deps): Initialize pending_flush_length to 0.
2248 * doc/invoke.texi (max_pending_list_length): Document parameter.
2250 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2252 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2253 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2254 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2256 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2258 * cpphash.h (struct_lexer_state): Delete was_skipping.
2259 Move skipping here from struct cpp_reader.
2260 * cpplex.c (parse_identifier): Update.
2261 (_cpp_lex_token): Don't skip tokens in a directive.
2262 * cpplib.c (struct if_stack): Update.
2263 (start_directive, end_directive): Don't change skipping state.
2264 (_cpp_handle_directive): Update.
2265 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2266 (do_else, do_endif): Update; only check for excess tokens if not
2267 in a skipped conditional block.
2268 (push_conditional): Update for new struct if_stack.
2270 2001-07-26 Graham Stott <grahams@redhat.com>
2272 * function.c (locate_and_pad_parm): Also pad initial offset
2273 so that the total argument size also includes the padding.
2275 2001-07-26 Graham Stott <grahams@redhat.com>
2277 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2278 change XSTR to XTMPL.
2280 (process_one_cond_exec): Likewise
2282 2001-07-25 Richard Henderson <rth@redhat.com>
2284 * varasm.c (assemble_variable): Create DECL_RTL before setting
2285 TREE_ASM_WRITTEN.
2287 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2289 * predict.c (estimate_probability): Avoid duplicated predictions.
2291 * loop.c (find_and_verify_loops): Grok multiple barriers.
2293 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2295 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2297 * dbxout.c: Consistently use putc instead of fputc.
2298 (print_wide_int): New function; call instead of direct fprintf.
2299 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2300 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2301 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2302 (print_int_cst_octal): Likewise.
2303 (print_octal): Show we wrote characters.
2304 (dbxout_type): Set have_used_extensions in more places.
2306 2001-07-25 Catherine Moore <clm@redhat.com>
2308 * config/v850/v850.c (v850_va_arg): Use addr
2309 instead of valist to build incr.
2311 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2313 * flow.c (delete_dead_jumptables): New function.
2314 (life_analyzis): Call it.
2315 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2316 sequences.
2318 2001-07-25 Richard Henderson <rth@redhat.com>
2320 * except.c (reachable_handlers): Handle a region being removed
2321 out from under a RESX.
2323 2001-07-25 Richard Henderson <rth@redhat.com>
2325 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2326 swap GE/GT if it is an fp comparison.
2328 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2330 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2331 operands.
2333 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2335 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2336 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2337 glitch.
2339 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2340 throw an exception.
2341 (visit_expression): When attempting to simplify an expression,
2342 retrieve any modes for arguments before they are simplified
2343 to constants.
2345 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2346 Janis Johnson <janis@us.ibm.com>
2348 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2349 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2350 pointer parameters to match documented usage of nonlocal_goto.
2351 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2352 parameters to their correct order.
2353 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2354 parameters to their correct order.
2356 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2358 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2360 2001-07-25 Jan Hubicka <jh@suse.cz>
2361 Richard Henderson <rth@redhat.com>
2363 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2364 the sequence.
2365 (make_edges): New argument update_p; populate the edge cache if set.
2366 (find_basic_blocks): Update make_edges invocation.
2368 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2370 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2372 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2374 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2375 -Acpu and -Amachine.h.
2376 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2377 Corrected header to say ELF not a.out.
2378 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2379 when given -msoft-float.
2381 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2383 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2384 extra multilib parts like arm-elf.
2385 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2386 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2387 crtfini.o as extra multilib parts.
2389 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2391 * configure.in: Add rtems as a supported thread model.
2392 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2393 * configure: Rebuilt.
2395 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2397 * stor-layout.c (get_mode_alignment): make it work when
2398 BITS_PER_UNIT is not a power of two.
2399 * builtins.c (get_pointer_alignment): Likewise.
2401 2001-07-24 Richard Henderson <rth@redhat.com>
2403 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2404 the retrieved constant into the expected mode.
2406 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2408 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2409 (verify_flow_info): Check for duplicated edges; clarify
2410 error reporting.
2412 * flow.c (block_label): Update basic_block_for_insn.
2413 (commit_edge_insertions): Call compute_bb_for_insn.
2415 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2416 returns too.
2418 * flow.c (redirect_edge_and_branch,
2419 try_optimize_cfg): Use redirect_edge_succ_nodup
2420 (redirect_edge_succ_nodup): New.
2421 * basic_block.h (redirect_edge_succ_nodup): Declare.
2423 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2424 after gcse.
2426 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2428 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2429 (try_crossjump_to_edge): Update commetns.
2430 (try_crossjump_bb): Likewise.
2432 2001-07-24 Richard Henderson <rth@redhat.com>
2434 * combine.c (distribute_notes): Move set of need_refresh
2435 for noop_move_p down to catch all cases.
2437 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2439 * recog.c (split_all_insns_noflow): New.
2440 * rtl.h (split_all_insns_noflow): Declare.
2441 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2442 * m68hc11.c (m68hc11_reorg): Likewise.
2443 * sh.c (machine_dependent_reorg): Likewise.
2444 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2445 call.
2447 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2449 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2450 (ashlsi3_n splitter): Likewise.
2451 (lshrsi3_n splitter): Likewise.
2453 (GOTaddr2picreg): Make const SImode.
2454 (sym_label2reg): Likewise.
2455 (symGOT2reg): Likewise.
2456 (symGOTOFF2reg) Likewise.
2458 (casesi_worker_0): Make unspec SImode.
2460 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2462 * config/sh/sh.c (barrier_align): Check that an operand really is
2463 an insn before extracting its INSN_CODE.
2465 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2467 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2468 dangling else.
2470 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2471 for SImode to prevent overflow.
2473 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2475 * config/mips/irix6-libc-compat.c: New file.
2476 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2477 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2478 passing workaround.
2480 2001-07-24 lars brinkhoff <lars@nocrew.org>
2482 * rtl.texi (REG_POINTER): Document.
2483 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2484 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2486 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2488 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2490 2001-07-23 Richard Henderson <rth@redhat.com>
2492 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2494 2001-07-23 Kazu Hirata <kazu@hxi.com>
2496 * config/h8300/h8300-protos.h: Add a prototype for
2497 general_operand_dst_push.
2498 * config/h8300/h8300.c (general_operand_dst_push): New.
2499 * config/h8300/h8300.h (OK_FOR_T): New.
2500 (EXTRA_CONSTRAINT): Use it.
2501 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2502 the existing movqi pattern.
2503 (movhi_push): Likewise.
2505 * reload.c: Fix comment typos.
2507 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2509 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2511 2001-07-23 H.J. Lu (hjl@gnu.org)
2513 * doc/extend.texi: Update __builtin_return_address and
2514 __builtin_frame_address.
2516 2001-07-23 Richard Henderson <rth@redhat.com>
2518 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2519 before CSE.
2520 * config/i386/i386.md: New setcc+movzbl peephole2.
2522 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2524 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2525 * objc/objc-act.c: Include debug.h.
2526 (synth_module_prologue): Save and restore debug hooks too.
2528 2001-07-23 lars brinkhoff <lars@nocrew.org>
2530 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2531 and C4X_FLOAT_FORMAT.
2532 (BOOL_TYPE_SIZE): Document.
2534 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2536 * unroll.c (loop_iterations): Fix miscalculation of initial
2537 giv offset.
2539 2001-07-13 Andrew Haley <aph@redhat.com>
2541 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2542 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2543 * config/sh/sh.c (sh_can_redirect_branch): New function.
2544 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2545 * reorg.c (steal_delay_list_from_target): Use
2546 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2548 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2550 * flow.c (try_simplify_condjump): Unlink insn chain on
2551 fallthru edge; use can_fallthru.
2553 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2555 * basic-block.h (find_sub_basic_block): Declare.
2556 * flow.c (make_edges): New arguments MIN and MAX;
2557 (find_sub_basic_blocks): Revamp to use make_edges
2558 and purge_dead_edges.
2559 (find_basic_blocks): Update call of find_sub_basic_block.
2561 * recog.c (split_all_insns): Always expect CFG to be consistent;
2562 call find_sub_basic_blocks in case something has changed.
2563 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2564 has been built.
2566 * basic-block.h (delete_noop_moves): Declare.
2567 * combine.c (combine_instructions): Call it.
2568 (recog_for_combine): Tolerate noop moves
2569 (distribute_notes): Force refresh when register dies at noop move.
2570 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2571 too.
2572 (life_analysis): Update delete_noop_moves call.
2573 (set_noop_p): Move too ...
2574 * rtlanal.c (noop_move_p): ... here.
2575 * rtl.h (noop_move_p): Declare.
2577 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2578 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2579 after combine.
2580 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2581 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2583 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2585 * reload.c (push_reload): Fix typo in comment.
2586 (find_reloads_address): Ditto.
2587 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2589 2001-07-22 Richard Henderson <rth@redhat.com>
2591 * flow.c: Grammar check and clarify a lot of comments.
2592 (try_simplify_condjump): Rename variables to be clearer.
2593 (try_forward_edges): Skip complex and fallthru edges.
2594 Rearrange tests to avoid duplicate checks.
2595 (flow_find_cross_jump): Likewise.
2596 (outgoing_edges_match): Allow match if neither branch has
2597 probability data. Loosen probability match to 5%.
2598 (try_crossjump_to_edge): Hoist repeated indirection into
2599 local variables.
2600 (try_crossjump_bb): Don't check complex edges. Eliminate
2601 redundant crossjump tests.
2602 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2603 checks before more expensive checks.
2605 2001-07-22 Richard Henderson <rth@redhat.com>
2607 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2608 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2609 arguments.
2611 2001-07-22 Richard Henderson <rth@redhat.com>
2613 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2614 (const_sint32_operand): Likewise.
2615 * m68k.md (anon mulsi pattern): Use const_int_operand not
2616 const_sint32_operand.
2617 (umulsi3_highpart): Zero extend a constant input.
2618 (smulsi3_highpart): Don't bother checking SImode constant.
2619 (const_umulsi3_highpart): Give op3 DImode.
2620 (const_smulsi3_highpart): Likewise.
2622 2001-07-22 Richard Henderson <rth@redhat.com>
2624 * flow.c (split_block): Make sure bb_note is included in the
2625 new block when splitting before a label.
2627 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2629 * basic-block.h (redirect_edge_and_branch_force,
2630 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2631 * flow.c (redirect_edge_and_branch_force,
2632 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2633 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2634 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2635 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2636 instead of label; update CFG after transformation.
2637 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2638 for finishing the transformation; handle even case where ELSE
2639 does not follow THEN.
2640 (find_if_case_2): Update call of dead_or_predictable; simplify
2641 CFG update.
2643 * emit-rtl.c (split_branch_probability): New global variable.
2644 (try_split): Take care to set split_branch_probability and
2645 create REG_BR_PROB note for new jump insns.
2646 * md.texi (define_split): Document new feature.
2648 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2650 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2652 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2653 (asm_out_file): Remove redundant declaration.
2654 (assemble_asm): Remove old #if 0 block.
2655 (assemble_variable): Remove end of function; debug output is
2656 now handled with global_decl. Remove old #if 0 block. Update.
2657 Remove saved_in_section and associated no-op code.
2658 * Makefile.in (varasm.o): Correct dependencies.
2660 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2662 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2663 the definition in defaults.h.
2665 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2667 * jump.c: Update comments.
2668 (delete_barrier_successors, delete_unreferenced_labels,
2669 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2670 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2671 jump_optimize, jump_optimize_minimal): Kill.
2672 (rebuild_jump_labels): Move code from jump_optimize_1.
2673 (purge_line_number_notes): Likewise.
2674 (copy_loop_headers): Likewise.
2675 * reg-stack.c: Update comment.
2676 * stmt.c: Likewise.
2677 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2678 JUMP_AFTER_REGSCAN): Kill.
2679 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2680 purge_line_number_notes and copy_loop_headers.
2682 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2683 Richard Henderson <rth@redhat.com>
2685 * dbxout.c (dbxout_global_decl): New.
2686 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2687 * sdbout.c (sdbout_finish): New.
2688 (sdbout_debug_hooks): Use it, add comments.
2689 (sdbout_global_decl): Defer initialised public vars to
2690 sdbout_finish.
2691 * varasm.c (assemble_variable): Don't output debug information
2692 for file-scope variables.
2694 2001-07-22 Richard Henderson <rth@redhat.com>
2696 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2697 (get_round_mode_suffix): New.
2698 (print_operand): Use them for [/]. Remove support for [&'`()+].
2699 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2700 * config/alpha/alpha.md (attr round_suffix): New.
2701 (attr trap_suffix): New.
2702 (all insns): Set them appropriately. Use %/ instead of the
2703 myriad punctuators.
2705 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2707 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2709 2001-07-22 Richard Henderson <rth@redhat.com>
2711 * regrename.c (regrename_optimize): Compute nregs for each
2712 potential target register.
2714 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2715 Richard Henderson <rth@redhat.com>
2717 * dbxout.c (dbxout_global_decl): New.
2718 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2719 * sdbout.c (sdbout_finish): New.
2720 (sdbout_debug_hooks): Use it, add comments.
2721 (sdbout_global_decl): Defer initialised public vars to
2722 sdbout_finish.
2723 * varasm.c (assemble_variable): Don't output debug information
2724 for file-scope variables.
2726 2001-07-21 H.J. Lu (hjl@gnu.org)
2728 * config/mips/mips.c (mips_cpu): Moved into ...
2729 (override_options): Here.
2731 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2732 mips_tune.
2733 (mips_cpu): Removed.
2735 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2737 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2738 ("iorqi3"): Likewise.
2739 ("xorqi3"): Likewise.
2740 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2741 ("*subhi3_sp): Likewise.
2742 ("*subhi3"): Likewise.
2743 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2744 reload problems.
2746 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2748 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2749 * config/freebsd.h: Likewise.
2750 * config/linux.h: Likewise.
2751 * config/openbsd.h: Likewise.
2752 * config/alpha/linux-elf.h: Likewise.
2753 * config/arm/linux-elf.h: Likewise.
2754 * config/d30v/d30v.h: Likewise.
2755 * config/fr30/fr30.h: Likewise.
2756 * config/ia64/aix.h: Likewise.
2757 * config/ia64/ia64.h: Likewise.
2758 * config/mips/linux.h: Likewise.
2759 * config/pj/pj.h: Likewise.
2760 * config/rs6000/linux.h: Likewise.
2761 * config/sparc/linux.h: Likewise.
2762 * config/sparc/linux64.h: Likewise.
2764 2001-07-20 Bruce Korb <bkorb@gnu.org>
2766 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2767 because getc() and char* may disagree on signedness.
2769 2001-07-20 Richard Henderson <rth@redhat.com>
2771 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2773 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2774 insns to delete in the presence of cc0 in a jump insn.
2776 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2777 Jan Hubicka <jh@suse.cz>
2779 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2780 of doing the change by hand.
2782 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2784 * rtlanal.c (set_noop_p): Return true for noop jumps.
2786 * expr.c (emit_single_push_insn): Add call to push expander.
2787 * expr.h (optab_index): Add OTI_push
2788 (push_optab): New constant.
2789 * genopinit.c (optabs): Add push_optab.
2790 * optabs.c (init_optab): Init push optab.
2791 * md.texi (push??1): Document
2793 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2795 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2796 expand to emit the pattern; put a REG_INC note for push/pop
2797 instructions.
2798 ("movdf", "movdf_internal"): Likewise.
2799 ("movsi", "movsi_internal"): Likewise.
2800 ("movsf", "movsf_internal"): Likewise.
2801 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2803 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2805 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2806 gen_highpart.
2808 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2810 * params.def: Change default max inline insns to 100.
2812 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2814 * combine.c (combine_simplify_rtx): Generate a new shift operation
2815 when simplifying the first operand of a (neg (ashift)) expression.
2817 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2819 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2821 2001-07-20 Kelley Cook <kelley.cook@home.com>
2823 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2824 information. Move rest into ...
2825 (*-*-solaris): ... here. Eliminate redundant information and
2826 reword necessary packages section. Delete 4.x assembler bug info.
2827 (sparc-sun-*): Merge into ...
2828 (sparc-sun-sunos*): here.
2830 2001-07-20 Catherine Moore <clm@redhat.com>
2832 * config/v850/v850.md (casesi): Generate LABEL_REF
2833 with Pmode.
2835 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2837 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2838 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2839 * i386.md (strclrsi expander): Use it.
2841 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2843 * integrate.c (copy_insn_list): handle
2844 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2845 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2846 identically as to CODE_LABEL.
2848 * fold-const (fold): Convert A/B/C to A/(B*C) and
2849 A/(B/C) to (A/B)*C
2851 * except.c (connect_post_landing_pads): Delete the RESX insns.
2853 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2855 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2857 * config/mips/mips.md (nmadd/nmsub): Use macro.
2859 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2861 * cppinit.c (remove_dup_dir): Make static.
2862 (remove_dup_dirs): Make static. Only warn about preempting a
2863 system directory with a non-system directory.
2865 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2867 * ifcvt.c (noce_try_store_flag_constants): Correct order
2868 of parameters to trunc_int_for_mode.
2870 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2872 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2873 an exception that will be caught within this function, do not fill
2874 its delay slot with any subsequent instruction.
2876 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2878 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2879 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2880 pointer extension instruction.
2881 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2882 * simplify-rtx.c (simplify_unary_operation) Likewise.
2883 * explow.c (convert_memory_address) Check value of
2884 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2885 less than zero.
2886 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2887 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2888 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2889 Add Multilib Support.
2890 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2891 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2892 Add Multilib Support.
2893 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2894 support.
2895 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2896 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2897 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2899 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2901 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2902 old and new operands in `<', `3' and `b'.
2904 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2906 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2907 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2908 (toplev.o): Don't depend on xcoffout.h.
2909 * c-decl.c: Include debug.h
2910 (duplicate_decls): Use debug hook.
2911 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2912 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2913 (dbxout_types): Remove.
2914 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2915 * debug.c (do_nothing_debug_hooks): Update.
2916 (debug_true_tree, debug_nothing_rtx): New.
2917 * debug.h (struct rtx_def): New.
2918 (struct gcc_debug_hooks): New hooks ignore_block,
2919 outlining_inline_function and label.
2920 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2921 dwarf2out_frame_finish): New.
2922 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2923 Make static, update prototype.
2924 (dwarf2_debug_hooks): Update.
2925 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2926 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2927 * dwarfout.c (dwarf_debug_hooks): Update.
2928 * emit-rtl.c: Include debug.h.
2929 (remove_unnecessary_notes): Use debug hook.
2930 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2931 (final_scan_insn): Use debug hook.
2932 * integrate.c (output_inline_function): Use debug hook.
2933 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2934 (sdb_debug_hooks): Update.
2935 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2936 * toplev.c: Don't include xcoffout.h.
2937 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2938 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2939 Remove.
2940 * tree.h (dwarf2out_do_frame): Remove.
2942 2001-07-19 Catherine Moore <clm@cygnus.com>
2944 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2946 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2948 * reload1.c (eliminate_regs_in_insn): When updating a set
2949 to the frame pointer to the hardware frame pointer, perform
2950 the update always not just when REPLACE is set.
2952 * reload1.c (choose_reload_regs): Don't inherit a reload
2953 that crosses multiple registers if registers past the first
2954 don't fit in the desired class.
2956 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2957 when negating constants.
2959 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2961 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2962 * doc/tree.texi: Ditto.
2964 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2965 Jakub Jelinek <jakub@redhat.com>
2967 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2968 (extract_cie_info): Handle "eh" augmentation properly,
2969 remember eh_ptr.
2970 (struct frame_state, __frame_state_for): New.
2972 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2974 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2975 HANDLE_SYSV_PRAGMA): Define.
2976 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2977 previous args.
2978 (copy_object): Caller changed.
2980 2001-07-19 Andreas Schwab <schwab@suse.de>
2982 * configure.in (assembler dwarf2 debug_line support): Define nop
2983 insn for m68k.
2984 * configure: Regenerated.
2986 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2988 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2989 dwarfout.h.
2990 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2991 to conditionally compiled block.
2992 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2993 * dbxout.h (dbxout_function): Remove.
2994 * debug.c (do_nothing_debug_hooks): Update.
2995 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2996 global_decl, deferred_inline_function.
2997 * dwarf2out.c (dwarf2_debug_hooks): Update.
2998 (dwarf2out_global_decl): New.
2999 * dwarfout.c: Don't include dwarfout.h.
3000 (dwarfout_global_decl, dwarfout_function_decl,
3001 dwarfout_deferred_inline_function): New.
3002 (dwarf_debug_hooks): Update.
3003 * dwarfout.h: Remove.
3004 * final.c: Don't include dwarfout.h.
3005 * sdbout.c (sdbout_global_decl): New.
3006 (sdbout_debug_hooks): Update.
3007 * toplev.c: Don't include dwarfout.h.
3008 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3009 (note_deferral_of_defined_inline_function): Remove.
3010 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3011 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3012 * ch/lex.c: Don't include dwarfout.h.
3013 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3014 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3015 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3016 * cp/optimize.c: Include debug.h.
3017 (maybe_clone_body): Use debug hook.
3018 * cp/semantics.c: Include debug.h.
3019 (expand_body): Use debug hook.
3020 * po/POTFILES.in: Remove dwarfout.h.
3022 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3024 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3025 * c-parse.in (yyerror, _yylex): Similarly.
3026 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3027 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3028 Update comments.
3029 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3030 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3032 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3034 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3035 in-class declaration at -g1. Fixes c++/2814.
3037 2001-07-18 Richard Henderson <rth@redhat.com>
3039 * doc/md.texi (reload_in/out): Document restrictions in predicates
3040 and constraints for these patterns. Document empty string matching
3041 ALL_REGS.
3043 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3045 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3047 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3049 * cse.c: Undo my previous patch.
3051 2001-07-18 Tom Tromey <tromey@redhat.com>
3053 For PR java/2812:
3054 * configure: Rebuilt.
3055 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3056 instead.
3057 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3059 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3060 Jan Hubicka <jh@suse.cz>
3062 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3063 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3064 * jump.c (mark_jump_label): Do not forward branches.
3066 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3068 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3069 when return value is unused.
3071 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3073 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3075 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3077 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3078 on error. We can't blindly return the result of
3079 pthread_mutex_trylock because it returns a positive number on
3080 error, while we must return -1 on error.
3081 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3082 fixes.
3083 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3085 2001-07-18 Andreas Jaeger <aj@suse.de>
3087 * integrate.c (output_inline_function): Correct type of debug_hooks.
3089 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3091 * combine.c (combine_simplify_rtx): DIV can be treated
3092 associatively for floats if unsafe math optimisations are enabled.
3094 2001-07-17 Richard Henderson <rth@redhat.com>
3096 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3098 2001-07-17 Richard Henderson <rth@redhat.com>
3100 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3101 don't force the function address into a register.
3102 (expand_call, emit_library_call_value_1): Update callers.
3103 * builtins.c (expand_builtin_apply): Likewise.
3104 * expr.h (prepare_call_address): Update decl.
3106 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3108 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3109 config directory.
3110 * config/i386/chorus.h: Move up.
3111 * config/sparc/chorus.h: Likewise.
3112 * config/rs6000/chorus.h: Likewise.
3113 * config/chorus.h: Moved here.
3115 2001-07-17 Andreas Schwab <schwab@suse.de>
3117 * configure.in (assembler eh_frame optimization): Handle big
3118 endian.
3119 * configure: Regenerated.
3121 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3123 * expr.c (epxand_expr): Convert divisions into multiplications by
3124 reciprocals if -ffast-math.
3126 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3128 * dbxout.c (dbxout_really_begin_function): Rename to
3129 dbxout_begin_function.
3130 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3131 (dbxout_begin_function): Remove.
3132 (dbxout_function): Update.
3133 (dbxout_source_line): Update prototype.
3134 * dbxout.h (dbxout_begin_function): Remove.
3135 * debug.c (do_nothing_debug_hooks): Update.
3136 (debug_nothing_tree): Update.
3137 (debug_nothing_charstar_rtx): Remove.
3138 * debug.h (union tree_node): Declare.
3139 (struct rtx_def): Remove.
3140 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3141 begin_function. Change source_line prototype.
3142 (debug_nothing_tree): New.
3143 (debug_nothing_charstar_rtx): Delete.
3144 (dwarf2out_begin_prologue): Moved from ...
3145 * tree.h: ... here.
3146 * dwarf2out.c (dwarf2_debug_hooks): Update.
3147 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3148 debug info, call dwarf2out_source_line.
3149 (dwarf2out_souce_line): Update prototype.
3150 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3151 Change prototype, make static.
3152 (dwarfout_source_line): Update prototype.
3153 (dwarf_debug_hooks): Update.
3154 * dwarfout.h (dwarfout_begin_function): Remove.
3155 * final.c (final_start_function, final_scan_insn): Use appropriate
3156 debug hooks, update to use notice_source_line.
3157 (output_source_line): Rename notice_source_line. Don't call the
3158 source_line debug hook.
3159 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3160 make static, update prototype.
3161 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3162 prototype.
3163 (sdbout_end_prologue): New.
3164 (sdbout_source_line): Update prototype.
3165 (sdbout_debug_hooks): Update.
3166 (sdbout_symbol): Remove unused var.
3167 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3168 Delete.
3169 * varasm.c: Include debug.h.
3170 (assemble_start_function): Use begin_function debug_hook.
3171 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3172 update with prototype.
3173 (xcoffout_source_line): Update prototype.
3174 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3175 update prototype.
3176 (xcoffout_source_line): Update prototype.
3178 2001-07-17 Richard Henderson <rth@redhat.com>
3180 * c-typeck.c (build_binary_op): Do not shorten unsigned
3181 right shift after sign extension.
3183 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3185 * combine.c (combine_simplify_rtx): Attempt to simplify
3186 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3188 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3189 (simplify_binary_operation, simplify_unary_operation,
3190 simplify_relational_operation): Use it.
3192 * combine.c (combine_simplify_rtx): Don't do associative law
3193 on divisions; allow associative law on floats.
3195 2001-07-17 H.J. Lu <hjl@gnu.org>
3196 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3198 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3199 ASM_OUTPUT_WEAK_ALIAS are defined.
3200 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3201 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3202 Moved ...
3203 * config/mips/iris5.h: ... here.
3204 (HANDLE_SYSV_PRAGMA): Defined as 1.
3205 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3206 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3207 symbol.
3209 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3211 * c-parse.in (all_prefix_attributes): New variable.
3212 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3213 (maybe_resetattrs): New production.
3214 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3215 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3216 notype_initdcl, nested_function, notype_nested_function,
3217 component_decl, components, components_notype,
3218 component_declarator, component_notype_declarator,
3219 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3220 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3221 after a comma being applied to more than one declarator.
3222 * doc/extend.texi (Attribute Syntax): Update. Remove
3223 documentation of bugs that are no longer present.
3225 2001-07-13 Eric Christopher <echristo@redhat.com>
3227 * config/mips/mips.h: Change TUNE_MIPS* options to use
3228 mips_tune.
3229 (EXTRA_SPECS): Add cc1_cpu_spec.
3230 * config/mips/mips.md (muldf3): Fix typo.
3232 2001-07-16 Richard Henderson <rth@redhat.com>
3234 * config/m68k/m68k.c: Include expr.h and reload.h.
3235 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3236 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3238 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3239 Richard Henderson <rth@redhat.com>
3241 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3242 (insn_live_p): Fix fall off end of function.
3243 (dead_libcall_p): Remove COUNTS argument; update callers.
3244 (delete_trivially_dead_insns): Remove unused variables.
3246 2001-07-17 Andreas Jaeger <aj@suse.de>
3248 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3249 x86-64 pic support.
3251 * lcm.c (optimize_mode_switching): Avoid warning for unused
3252 variable if !NORMAL_MODE.
3254 * flow.c (try_crossjump_to_edge): Remove unused variable.
3256 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3258 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3259 atexit declaration in stdlib.h.
3261 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3263 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3265 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3267 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3268 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3269 do rebuild_jump_labels instead of jump_optimize
3270 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3271 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3272 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3274 * flow.c: Include timevar.h
3275 (find_basic_block): Push/pop timevar;
3276 (cleanup_cfg): Likewise.
3277 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3278 * Makefile: Add dependencies on timevar.h
3280 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3281 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3283 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3284 * toplev.c (rest_of_compilation): Update calls.
3285 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3286 (delete_trivially_dead_insns): ... here; accept new argument
3287 preserve_basic_blocks; preserve basic blocks if set.
3289 * reg-stack.c (stack_regs_mentioned): Return 0 if
3290 stack_regs_mentioned_data is not initialized.
3291 (reg_to_stack): Make stack_regs_mentioned survive after the
3292 reg-stack is completted; do not call cleanup_cfg.
3293 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3294 make cleanup_cfg after bb-reorder to output to debug file.
3296 2001-07-16 Richard Henderson <rth@redhat.com>
3298 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3299 from int_reg_class_contents.
3301 2001-07-16 Richard Henderson <rth@redhat.com>
3303 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3304 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3305 (init_reg_sets_1): Move initialization from cse_main.
3306 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3307 (cse_main): Move its initialization also.
3308 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3309 * flow.c (propagate_one_insn): Likewise.
3310 * gcse.c (compute_hash_table): Likewise.
3311 (compute_kill_rd, compute_store_table): Likewise.
3312 * sched-deps.c (sched_analyze_1): Likewise.
3314 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3316 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3317 gen_rtx_SET.
3319 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3321 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3322 in if statement so we don't access undefined memory.
3324 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3326 * gcse.c: Update comment at top.
3327 Update comment on mem handling.
3328 mem_last_set, mem_first_set, mem_set_in_block: gone.
3329 Declaration of reg_set_info: gone.
3330 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3331 pointless with load_killed_in_block_p (they are *more*
3332 conservative then it, not less, and less accurate).
3333 (oprs_not_set_p): Ditto.
3334 (alloc_gcse_mem): Don't allocate mem_set_in_block
3335 (free_gcse_mem): Don't free it, either.
3336 (record_last_mem_set_info): Update comment in front, remove
3337 mem_*set_* stuff. Note the reason we don't handle stores directly
3338 here.
3339 (compute_hash_table): Update comments to reflect reality. Remove
3340 mem_*set_* references.
3341 (reset_opr_set_tables): Remove mem_*set_* references.
3342 (mark_call): Ditto.
3343 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3344 (mark_clobber): Ditto (on both parts, we double set here too).
3345 (expr_killed_p): Remove mem_set_in_block test.
3346 (compute_transp): Remove mem_set_in_block test.
3348 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3349 of edge, and removal of phi alternative to dump file.
3350 (ssa_ccp_substitute_constants): Add note about register now being
3351 constant, and which uses were replaced in what insns to dump file.
3353 2001-07-16 Andreas Jaeger <aj@suse.de>
3355 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3356 variables of type HOST_WIDEST_INT.
3358 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3359 (__bb_exit_func): Correct type of count_max to avoid overflow.
3360 (num_digits): Handle long long argument.
3362 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3364 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3366 * output.h (sdb_begin_function_line): Restore as an extern
3367 variable.
3368 * sdbout.c (sdb_begin_function_line): Make extern.
3370 2001-07-15 Richard Henderson <rth@redhat.com>
3372 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3373 * genrecog.c (maybe_both_true_mode): New.
3374 (maybe_both_true_2): Use it.
3375 (write_switch): Don't put Pmode in a switch.
3376 * rtl.c (mode arrays): Don't explicitly size them.
3378 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3380 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3381 handling; move unconditional splitting before mode switching.
3383 * i386.md (type): Add fistp type.
3384 (i387, length_attr, scheduling definitions): Handle this type.
3385 (fix_trunc?f?i2): Revamp to use mode switching.
3386 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3387 * i386.h (fp_cw_mode): New enum
3388 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3389 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3391 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3393 * Makefile.in (integrate.o): Add debug.h.
3394 * integrate.c (debug.h): Add.
3395 (output_inline_function): Save, reset, and restore debug_hooks.
3397 2001-07-15 Richard Henderson <rth@redhat.com>
3399 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3400 instead of COMPARE for the EQUIV expression.
3402 2001-07-15 Richard Henderson <rth@redhat.com>
3404 * flow.c (redirect_edge_and_branch_force): Initialize
3405 global_live_at_start and global_live_at_end.
3406 (allocate_bb_life_data): Export.
3407 * basic-block.h (allocate_bb_life_data): Declare.
3408 * toplev.c (rest_of_compilation): Call it.
3410 2001-07-15 Richard Henderson <rth@redhat.com>
3412 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3413 (alpha_tablejump_best_label): New.
3414 * config/alpha/alpha-protos.h: Declare them.
3415 * config/alpha/alpha.md: Use braced strings for code blocks.
3416 (tablejump_osf): Break out add with r29.
3417 (tablejump_osf_internal): Remove.
3418 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3419 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3421 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3423 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3424 of the movable.
3426 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3428 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3429 (ix86_fp_jump_nontrivial_p): New.
3430 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3431 use ix86_fp_jump_nontrivial_p.
3432 * i386.c (ix86_fp_jump_nontrivial_p): New.
3433 (ix86_split_fp_branch): Accept code instead of rtx.
3434 (ix86_expand_compare): Expand comparison early in case
3435 doing so is resonably cheap.
3437 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3439 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3440 not 'machine'.
3441 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3442 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3444 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3446 * dbxout.c (dbxout_source_line): Make static, update prototype.
3447 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3448 (dbxout_init, dbxout_finish, dbxout_source_line,
3449 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3450 * dbxout.h (dbxout_source_line): Delete.
3451 * debug.c (debug_nothing_file, debug_nothing_file_int,
3452 debug_nothing_file_charstar_rtx): New.
3453 (do_nothing_debug_hooks): Update.
3454 (debug_nothing_void, debug_nothing_charstar_rtx,
3455 dwarf2out_end_epilogue): New.
3456 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3457 * debug.h (struct rtx_def): Declare.
3458 (gcc_debug_hooks): New hooks source_line, end_epilogue
3459 and end_function.
3460 (debug_nothing_void, debug_nothing_charstar_rtx,
3461 dwarf2out_end_epilogue): New.
3462 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3463 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3464 (dwarf2_debug_hooks): Update.
3465 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3466 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3467 * dwarf2out.h (dwarf2out_source_line): Remove.
3468 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3469 Make static, update prototype.
3470 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3471 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3472 (dwarf_debug_hooks): Update.
3473 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3474 dwarfout_end_function): Remove.
3475 * final.c (profile_function): Use debug hooks for ending functions
3476 and epilogues.
3477 (output_source_line, final_end_function): Update prototype,
3478 use debug hooks.
3479 (final_start_function, final_scan_insn): Update.
3480 * output.h (sdb_begin_function_line): Remove.
3481 (final_end_function): Update prototype.
3482 * sdbout.c (sdb_begin_function_line): Make static.
3483 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3484 (sdbout_source_line): New.
3485 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3486 prototypes.
3487 (sdb_debug_hooks): Update.
3488 (sdbout_init, sdbout_source_line,
3489 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3490 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3491 * toplev.c (compile_file, rest_of_compilation): Update.
3492 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3493 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3494 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3495 Update for prototype changes.
3496 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3497 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3499 2001-07-15 Richard Henderson <rth@redhat.com>
3501 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3502 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3503 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3504 * config/alpha/alpha.c: Likewise.
3505 * config/alpha/alpha.md: Likewise.
3506 * config/alpha/alpha32.h: Likewise.
3507 * config/alpha/vms.h: Likewise.
3508 (OPEN_VMS): Remove.
3510 2001-07-14 Richard Henderson <rth@redhat.com>
3512 * config/alpha/alpha.md: Use define_constants for unspec values.
3513 Substitute throughout.
3515 2001-07-14 Tim Josling <tej@melbpc.org.au>
3517 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3519 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3521 * pa.md: Remove unused constraints from define_split's.
3523 2001-04-14 Richard Henderson <rth@redhat.com>
3525 * ifcvt.c (find_cond_trap): Test for exit block.
3527 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3529 Re-install recently reverted patch.
3530 * emit-rtl.c (try_split): Update mark_jump_label call.
3531 * flow.c (find_sub_basic_blocks): Likewise.
3532 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3533 jump_back_p): Kill.
3534 (mark_all_labels): Kill second parameter.
3535 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3536 (rebuild_jump_labels, jump_optimize_minimal): Update call
3537 of jump_optimize_1.
3538 (jump_optimize_1): Kill crossjumping code.
3539 (mark_jump_label): Kill cross_jump parameter.
3540 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3541 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3542 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3543 splitting.
3544 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3545 DFI_bpro.
3546 (dump_file_info): Likewise.
3547 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3548 reorganize passes to do reg-stack first, bb-reorder second.
3549 * invoke.texi (-d letters doc): Remove the jump2 pass.
3551 2001-07-14 Richard Henderson <rth@redhat.com>
3553 * ifcvt.c (find_cond_trap): New.
3554 (find_if_header): Call it.
3555 (merge_if_block): Relax existing jump sanity check.
3556 * jump.c (jump_optimize_1): Remove conditional trap handling.
3558 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3560 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3561 millicode.
3562 (insn_refs_are_delayed): Correct comment.
3563 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3564 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3565 instead of r31. Make associated insn !TARGET_64BIT, and
3566 provide an additional 64-bit insn that clobbers r2.
3567 (divsi3): Likewise.
3568 (udivsi3): Likewise.
3569 (modsi3): Likewise.
3570 (umodsi3): Likewise.
3572 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3574 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3576 * flow.c (redirect_edge_and_branch_force, split_edge,
3577 try_crossjump_to_edge): Use set_block_for_new_insns.
3578 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3580 2001-07-13 H.J. Lu (hjl@gnu.org)
3582 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3583 the correct patch.
3585 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3587 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3589 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3591 * c-common.c (decl_attributes): Take a pointer to the node to
3592 which attributes are to be attached, and a flags argument.
3593 * c-common.h (enum attribute_flags): New.
3594 (decl_attributes): Update prototype.
3595 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3596 finish_enum, start_function): Update calls to decl_attributes.
3597 * c-parse.in (component_declarator, component_notype_declarator,
3598 label): Update calls to decl_attributes.
3600 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3602 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3603 * config/avr/avr.c (legitimate_address_p): Return value changed
3604 from letter to register classes. For better debugging.
3606 2001-07-13 Kazu Hirata <kazu@hxi.com>
3608 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3610 2001-07-13 H.J. Lu (hjl@gnu.org)
3612 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3614 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3616 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3617 correctly for shared configurations.
3618 * config/t-libgcc-pic: New.
3619 * config/{i386,m68k,sparc}/t-openbsd: New.
3620 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3621 Support -shared. Support debugging libraries with -g.
3622 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3623 frame information does not emit pointer diffs.
3624 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3625 emit pointer diffs.
3627 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3629 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3631 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3633 * combine.c (try_combine): Ensure const_int pow2 is positive.
3635 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3637 * config.gcc: Add configuration for s/390.
3638 * config/s390/s390.c: New. Subroutines for code generation.
3639 * config/s390/s390.h: New. Definitions for s/390.
3640 * config/s390/s390-protos.h: New. Prototypes.
3641 * config/s390/linux.h: New. Definitions for linux for s/390.
3642 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3643 * config/s390/t-linux: New. Makefile fragment.
3644 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3645 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3647 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3649 * emit-rtl.c (try_split): Update mark_jump_label call.
3650 * flow.c (find_sub_basic_blocks): Likewise.
3651 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3652 jump_back_p): Kill.
3653 (mark_all_labels): Kill second parameter.
3654 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3655 (rebuild_jump_labels, jump_optimize_minimal): Update call
3656 of jump_optimize_1.
3657 (jump_optimize_1): Kill crossjumping code.
3658 (mark_jump_label): Kill cross_jump parameter.
3659 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3660 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3661 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3662 splitting.
3663 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3664 DFI_bpro.
3665 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3666 reorganize passes to do reg-stack first, bb-reorder second.
3667 * invoke.texi (-d letters doc): Remove the jump2 pass.
3669 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3671 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3673 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3675 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3676 basic blocks.
3677 (verify_flow_info): Make diagnostics prettier.
3679 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3681 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3683 * flow.c (outgoing_edges_match): Return early if condition reversal
3684 failed.
3686 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3688 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3689 (mips_move_2words): When splitting a move into two instructions,
3690 prefix the second address operand with '%D'.
3692 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3694 * Makefile.in (final.o): Depend on debug.h.
3695 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3696 (dbx_debug_hooks): Add new hooks.
3697 (xcoff_debug_hooks): New.
3698 * debug.c (debug_nothing_file_int_int): New.
3699 (do_nothing_debug_hooks): Update.
3700 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3701 (debug_nothing_file_int_int): New.
3702 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3703 static, update prototype.
3704 (dwarf2_debug_hooks): Update.
3705 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3706 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3707 static, update prototype.
3708 (dwarf_debug_hooks): Update.
3709 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3710 * final.c: Include debug.h.
3711 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3712 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3713 static, update prototype.
3714 (sdb_debug_hooks): Update.
3715 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3716 * toplev.c: Distinguish between xcoff and dbx.
3718 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3719 Call all debug hooks, not just dwarf ones.
3721 2001-07-11 Timothy Wall <twall@redhat.com>
3723 * config.gcc: Add configuration for AIX5/IA64.
3724 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3725 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3726 support prefix/suffix code.
3727 * config/ia64/t-aix: New. Makefile fragment.
3728 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3730 2001-07-11 Kazu Hirata <kazu@hxi.com>
3732 * recog.c (validate_change): Fix a comment typo.
3734 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3736 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3737 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3738 hooks directly.
3739 * dbxout.c (dbx_debug_hooks): Add new hooks.
3740 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3741 make static.
3742 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3743 make static.
3744 * dbxout.h (dbxout_start_new_source_file,
3745 dbxout_resume_previous_source_file): Delete.
3746 * debug.c (do_nothing_debug_hooks): Add new hooks.
3747 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3748 (debug_nothing_int_charstar, debug_nothing_int): New.
3749 * debug.h (gcc_debug_hooks): New hooks define, undef,
3750 start_source_file and end_source_file.
3751 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3752 (debug_nothing_int_charstar, debug_nothing_int): New.
3753 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3754 the conditionally compiled section.
3755 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3756 dwarf2out_define, dwarf2out_undef): Make static.
3757 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3758 dwarf2out_define, dwarf2out_undef): Remove.
3759 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3760 (dwarfout_start_source_file, dwarfout_end_source_file,
3761 dwarfout_define, dwarfout_undef): Make static.
3762 (dwarfout_start_source_file_check,
3763 dwarfout_end_source_file_check): New.
3764 (dwarfout_define, dwarfout_finish): Update.
3765 * dwarfout.h (dwarfout_start_new_source_file,
3766 dwarfout_resume_previous_source_file, dwarfout_define,
3767 dwarfout_undef): Remove.
3768 * sdbout.c (sdb_debug_hooks): Add new hooks.
3769 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3770 make static.
3771 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3772 make static, take an arg.
3773 * sdbout.h (sdbout_start_new_source_file,
3774 sdbout_resume_previous_source_file): Delete.
3775 * toplev.c (debug_start_source_file, debug_end_source_file,
3776 debug_define, debug_undef): Delete.
3777 * toplev.h (debug_start_source_file, debug_end_source_file,
3778 debug_define, debug_undef): Delete.
3780 * java/jcf-parse.c: Include debug.h.
3781 (parse_class_file): Update to use debug hooks directly.
3782 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3784 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3786 * alias.c (set_mem_alias_set): New function.
3787 * rtl.h (set_mem_alias_set): Declare it.
3788 * builtins.c (expand_builtin_return_addr): Call it instead of
3789 using MEM_ALIAS_SET accessor.
3790 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3791 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3792 (expand_builtin_va_copy):Likewise.
3793 * caller-save.c (setup_save_areas): Likewise.
3794 * calls.c (compute_argument_addresses): Likewise.
3795 * explow.c (set_mem_attributes): Likewise.
3796 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3797 (expand_assignment, store_constructor_field, store_field): Likewise.
3798 (expand_expr_unaligned): Likewise.
3799 * function.c (assign_stack_temp_for_type): Likewise.
3800 (put_reg_into_stack, gen_mem_addressof): Likewise.
3801 * ifcvt.c (noce_try_cmove_arith): Likewise.
3802 * reload1.c (reload, alter_reg): Likewise.
3803 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3804 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3805 (alpha_expand_unaligned_store): Likewise
3806 (alpha_expand_unaligned_load_words): Likewise.
3807 (alpha_expand_unaligned_store_words): Likewise.
3808 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3809 (alpha_expand_epilogue): Likewise.
3810 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3811 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3812 * config/i386/i386.c (legitimize_pic_address): Likewise.
3813 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3814 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3815 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3816 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3817 * config/mips/mips.c (mips_va_arg): Likewise.
3818 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3819 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3820 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3821 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3822 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3823 (rs6000_emit_epilogue): Likewise.
3824 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3825 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3826 * config/v850/v850.c (v850_va_arg): Likewise.
3828 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3830 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3831 when fallthru edge is present.
3832 (mege_blocks): Handle case where creation of jump insn
3833 is required.
3835 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3836 CLEANUP_POST_REGSTACK): New constants.
3837 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3838 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3839 * output.h (cleanup_cfg): Update prototype.
3840 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3841 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3842 cleanup_cfg call; kill missleading comment.
3843 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3844 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3845 parameter; control optimizations performed using it.
3846 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3847 try_crossjump_bb): New functions.
3849 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3851 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3852 extern.
3853 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3854 pa_output_function_prologue.
3855 * pa-protos.h (pa_output_function_prologue): New prototype.
3857 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3859 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3860 and low to get correct sign extension in low+high test.
3862 2001-07-11 Janis Johnson <janis@us.ibm.com>
3864 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3865 for large hit count.
3867 * profile.c (branch_prob): Fix .bbg info for computed gotos
3868 and C++ EH code.
3870 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3872 * stmt.c (parse_output_constraint): New function, split out
3873 from ...
3874 (expand_asm_operands): ... here. Use parse_output_constraint.
3875 * tree.h (parse_output_constraint): Declare it.
3877 2001-07-11 Richard Henderson <rth@redhat.com>
3879 * bitmap.c: Comment some functions; fiddle whitespace.
3880 (bitmap_free): Don't export.
3881 (bitmap_element_allocate): Use memset.
3882 * bitmap.h (bitmap_free): Don't declare.
3884 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3886 * gcse.c, lcm.c, sched-deps.c:
3887 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3889 * flow.c (flow_loops_find): Free dom if we found no loops, since
3890 we aren't going to save it.
3892 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3893 done.
3895 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3897 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3899 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3901 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3902 #ifndef DWARF2_DEBUGGING_INFO.
3904 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3906 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3908 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3910 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3911 reverse a branch if a NE comparison is implemented with GTU.
3913 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3914 H.J. Lu <hjl@gnu.org>
3916 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3917 constant addresses.
3918 (call_internal2): Likewise.
3919 (call_value_internal1): Likewise.
3920 (call_value_internal2): Likewise.
3921 (call_value_multiple_internal1): Likewise.
3922 (call_value_multiple_internal2): Likewise.
3924 2001-07-10 Kazu Hirata <kazu@hxi.com>
3926 * calls.c (emit_library_call_value_1): Fix a comment typo.
3927 * dwarf2out.c (mem_loc_descriptor): Likewise.
3928 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3930 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3932 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3934 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3936 * recog.c (offsettable_address_p): Handle LO_SUM case.
3937 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3938 instead of plus_constant.
3940 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3942 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3943 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3945 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3948 adjust_address_nv instead of plus_constant.
3950 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3952 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3953 dwarf2out.o): Depend on debug.h, wrap long lines.
3954 * dbxout.c: Include debug.h.
3955 (dbx_debug_hooks): New.
3956 (dbxout_init): Make static, take just 2 args.
3957 (dbxout_finish): Make static.
3958 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3959 * debug.c: New file.
3960 * debug.h: New file.
3961 * dwarf2out.c: Include debug.h.
3962 (dwarf2_debug_hooks): New.
3963 (dwarf2out_init): Make static.
3964 (dwarf2out_finish): Make static, take 2 args.
3965 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3966 * dwarfout.c: Include debug.h.
3967 (dwarf_debug_hooks): New.
3968 (dwarfout_init): Make static.
3969 (dwarfout_finish): Make static, take 2 args.
3970 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3971 * sdbout.c: Include debug.h.
3972 (sdb_debug_hooks): New.
3973 (sdbout_init): Make static, take 2 args.
3974 * sdbout.h (sdbout_init): Delete.
3975 * toplev.c: Include debug.h.
3976 (debug_hooks): New.
3977 (compile_file): Set deubg_hooks based on command line options.
3978 Use the hooks unconditionally rather than conditional compilation.
3980 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3982 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3983 first_insn_after_basic_block_note instead.
3985 * df.c (df_bb_refs_unlink): #if 0 out for now.
3987 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3989 * ssa.h: Add prototype for ssa_const_prop
3990 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3991 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3992 (ssa_fast_dce): Remove unused variable
3994 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3996 * diagnostic.c (finish_diagnostic): Rename to
3997 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3998 calls thourghout.
4000 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4002 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4003 .loc support.
4005 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4006 (dump_file): Only pad the demangled name with spaces if the
4007 mangled name was padded with spaces.
4009 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4011 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4012 edge detection.
4014 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4016 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4017 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4018 EXPAND_INITIALIZER.
4020 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4021 whether can put offset inside LO_SUM to check mode alignment, not size.
4023 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4025 * doc/tm.texi (Misc): Fix thinko.
4027 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4029 * regmove.c (replace_in_call_usage): Fix warnings.
4030 * sched-deps.c (add_dependence): Fix warnings.
4031 * simplify-rtx.c (simplify_subreg): Likewise.
4032 Return NULL_RTX instead of NULL.
4034 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4035 (subst_asm_stack_regs): Likewise.
4037 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4038 warnings.
4040 * dwarf2out.c (output_call_frame_info): Declare i as int.
4041 (build_abbrev_table): Declare n_alloc as int.
4042 (dwarf2out_finish): Initialize die.
4043 * except.c: Declare sjlj_funcdef_number as unsigned.
4044 (connect_post_landing_pads): Declare j as unsigned.
4045 (convert_to_eh_region_ranges): Initialize call_site.
4046 (output_function_exception_table): Initialize tt_format_size.
4047 * expr.c (move_by_pieces_1): Initialize to1.
4048 (store_constructor): Initialize minelt and maxelt.
4049 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4050 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4052 * c-decl.c (combine_parm_decls): Unused, remove.
4053 * c-tree.h: Remove prototype for combine_parm_decls.
4055 * reload.c (push_reload): Fix warning.
4056 (regno_clobbered_p): Likewise.
4057 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4058 (reload_combine): Likewise.
4060 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4061 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4062 warnings.
4063 * bitmap.c (bitmap_operation): Change user.
4064 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4066 2001-07-10 Eric Christopher <echristo@redhat.com>
4068 * config/mips/mips.c (override_options): Fix typo.
4070 2001-07-09 Stan Shebs <shebs@apple.com>
4072 * target.h (struct gcc_target): New fields init_builtins and
4073 expand_builtin.
4074 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4075 (TARGET_EXPAND_BUILTIN): New macro.
4076 (TARGET_INITIALIZER): Add them.
4077 * builtins.c: Include target.h.
4078 (expand_builtin): Use targetm.expand_builtin.
4079 (default_init_builtins): New function.
4080 (default_expand_builtin): New function.
4081 * expr.h (default_init_builtins): Declare.
4082 (default_expand_builtin): Declare.
4083 * c-common.c (c_common_nodes_and_builtins): Use
4084 targetm.init_builtins.
4085 * defaults.h (MD_INIT_BUILTINS): Remove.
4086 * Makefile.in (builtins.o): Depend on target.h.
4088 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4089 (TARGET_EXPAND_BUILTIN): Define.
4090 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4091 (MD_EXPAND_BUILTIN): Remove.
4093 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4094 (TARGET_EXPAND_BUILTIN): Define.
4095 (c4x_init_builtins): Make endlink arg a local.
4096 (c4x_print_operand): Fix typos in adjust_address usages.
4097 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4098 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4099 (MD_EXPAND_BUILTIN): Remove.
4101 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4102 (TARGET_EXPAND_BUILTIN): Define.
4103 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4104 (ix86_init_builtins): Call new function only if TARGET_MMX.
4105 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4106 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4107 (MD_EXPAND_BUILTIN): Remove.
4109 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4110 (TARGET_EXPAND_BUILTIN): Define.
4111 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4112 (MD_EXPAND_BUILTIN): Remove.
4114 * doc/tm.texi: Document these changes.
4116 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4118 * basic-block.h (tree_node): Forward declare if needed.
4119 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4120 (BLOCK_HEAD_TREE): Define.
4121 (BLOCK_END_TREE): Define.
4122 (struct loops): Rename field 'tree' to 'tree_root'.
4123 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4124 'end_tree'.
4125 (flow_loops_tree_build): Rename reference to field 'tree' to
4126 'tree_root'.
4127 (flow_loops_level_compute): Ditto.
4128 * predict.c (estimate_bb_frequencies): Ditto.
4129 * tree.h (struct tree_common): Add field 'aux'.
4131 2001-07-09 Stan Shebs <shebs@apple.com>
4133 * config/darwin.c (darwin_encode_section_info): Don't mark any
4134 DECL_EXTERNAL node as defined.
4136 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4138 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4139 pa_free_machine_status, hppa_init_pic_save): Delete.
4140 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4141 (hppa_profile_hook): Use hppa_pic_save_rtx.
4142 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4143 hppa_init_pic_save): Delete.
4144 (hppa_pic_save_rtx): Declare.
4145 * pa.md (call, call_value, sibcall, sibcall_value,
4146 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4148 2001-07-09 Kazu Hirata <kazu@hxi.com>
4150 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4151 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4153 2001-07-09 Andreas Jaeger <aj@suse.de>
4155 * output.h: Add declaration of final_forward_branch_p.
4157 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4159 * varray.c: Include errors.h for internal_error and trim_filename
4160 declarations.
4162 * Makefile.in (varray.o): Add errors.h.
4164 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4166 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4167 * optabs.c (have_add2_insn): Check whether the add insn chosen
4168 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4169 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4171 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4173 * Makefile.in (OBJS): Add ssa-ccp.o
4174 (ssa-ccp.o): Add dependencies.
4175 * toplev.c (DFI_ssa_ccp): New dump file enum.
4176 (dump_file): Add entry for dumping after SSA CCP.
4177 (flag_ssa_ccp): New flag variable.
4178 (f_options): Add -fssa-ccp.
4179 (rest_of_compilation): Run SSA CCP if requested.
4180 * timevar.def (TV_SSA_CCP): New timevar.
4181 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4182 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4183 Fix minor typo in SSA DCE documentation.
4184 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4185 Add documentation for new dump option. Renumber dump files
4186 appropriately.
4188 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4190 * emit-rtl.c (gen_highpart_mode): New.
4191 * rtl.h (gen_highpart_mode): Declare.
4192 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4193 operand can be VOIDmode constant.
4195 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4197 * flow.c (redirect_edge_and_branch_force): New.
4198 (can_fallthru): Ensure that basic blocks are succeeding.
4199 (try_optimize_cfg): Do not delete basic block if it is the last one.
4201 * flow.c (try_redirect_by_replacing_jump): Do not remove
4202 jumps with side effects, unlink chain on fallthru edge;
4203 set block for new jump instruction; avoid basic block to
4204 over by line number note.
4206 * flow.c (try_simplify_condjump): Verify that the condjump
4207 is not always falling trought.
4209 Re-install patch:
4210 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4212 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4213 (try_redirect_by_replacing_jump): Update properly the count
4214 and frequency information.
4216 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4218 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4219 address that is a LO_SUM specially.
4220 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4222 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4224 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4225 (operand_subword): Use them.
4226 (change_address_1): Renamed from change_address; new arg VALIDATE.
4227 * expr.h: Reflect above changes; change_address now macro.
4228 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4229 making MEM.
4230 * cselib.c (add_mem_for_addr): Likewise.
4231 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4232 * regmove.c (try_apply_stack_adjustment): Likewise.
4233 * reload.c (push_reload, make_memloc): Likewise.
4234 * reload1.c (eliminate_regs): Likewise.
4235 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4236 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4237 adjust_addess.
4238 * combine.c (make_extraction, simplify_shift_const): Likewise.
4239 (gen_lowpart_for_combine): Likewise.
4240 * cse.c (gen_lowpart_if_possible): Likewise.
4241 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4242 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4243 * optabs.c (gen_move_insn): Likewise.
4244 * reload1.c (alter_reg): Likewise.
4245 * simplify-rtx.c (simplify_subreg): Likewise.
4246 * stmt.c (expand_anon_union_decl): Likewise.
4247 * recog.c (validate_replace_rtx_1): Likewise.
4248 (expr.h): Include.
4249 * Makefile.in (recog.o): Add $(EXPR_H).
4250 * explow.c (stabilize): Call replace_equiv_address.
4251 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4252 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4254 2001-07-03 Andrew Haley <aph@redhat.com>
4256 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4257 the mode of the memory location.
4259 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4261 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4263 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * final.c (output_addr_const): Use target opening and
4266 closing parentheses.
4267 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4268 defaults, add to TARGET_ASM_OUT.
4269 * target.h (struct gcc_target): Add open_paren and close_paren.
4270 * doc/md.texi: Update.
4271 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4272 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4273 TARGET_ASM_CLOSE_PAREN.
4274 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4275 Override.
4276 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4277 Override.
4278 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4279 * config/a29k/a29k.h: Similarly.
4280 * config/alpha/alpha.h: Similarly.
4281 * config/arc/arc.h: Similarly.
4282 * config/arm/aof.h: Similarly.
4283 * config/arm/aout.h: Similarly.
4284 * config/avr/avr.h: Similarly.
4285 * config/c4x/c4x.h: Similarly.
4286 * config/clipper/clipper.h: Similarly.
4287 * config/convex/convex.h: Similarly.
4288 * config/d30v/d30v.h: Similarly.
4289 * config/dsp16xx/dsp16xx.h: Similarly.
4290 * config/elxsi/elxsi.h: Similarly.
4291 * config/fr30/fr30.h: Similarly.
4292 * config/h8300/h8300.h: Similarly.
4293 * config/i370/i370.h: Similarly.
4294 * config/i386/i386.h: Similarly.
4295 * config/i860/i860.h: Similarly.
4296 * config/i960/i960.h: Similarly.
4297 * config/ia64/ia64.h: Similarly.
4298 * config/m32r/m32r.h: Similarly.
4299 * config/m68hc11/m68hc11.h: Similarly.
4300 * config/m68k/m68k.h: Similarly.
4301 * config/m88k/m88k.h: Similarly.
4302 * config/mcore/mcore.h: Similarly.
4303 * config/mips/mips.h: Similarly.
4304 * config/mn10200/mn10200.h: Similarly.
4305 * config/mn10300/mn10300.h: Similarly.
4306 * config/ns32k/ns32k.h: Similarly.
4307 * config/pa/pa.h: Similarly.
4308 * config/pdp11/pdp11.h: Similarly.
4309 * config/pj/pj.h: Similarly.
4310 * config/romp/romp.h: Similarly.
4311 * config/rs6000/rs6000.h: Similarly.
4312 * config/sh/sh.h: Similarly.
4313 * config/sparc/sparc.h: Similarly.
4314 * config/v850/v850.h: Similarly.
4315 * config/vax/vax.h: Similarly.
4316 * config/we32k/we32k.h: Similarly.
4318 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4320 * doc/c-tree.texi: Document representation of attributes.
4322 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4324 * doc/tm.texi: Update some places for the rename of target to
4325 targetm. Fix typo.
4327 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4329 * target.h (struct gcc_target): Add insert_attributes.
4330 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4331 (TARGET_INITIALIZER): Update.
4332 * tree.c, tree.h (default_insert_attributes): New function.
4333 Update comments on other default functions to refer to targetm,
4334 not target.
4335 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4336 TARGET_INSERT_ATTRIBUTES.
4337 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4338 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4339 Don't use PRAGMA_INSERT_ATTRIBUTES.
4340 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4341 * c-decl.c (start_decl, start_function): Don't call
4342 SET_DEFAULT_DECL_ATTRIBUTES.
4343 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4344 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4345 declare.
4346 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4347 (c4x_check_attribute): Avoid modifying attribute list itself.
4348 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4349 Make static.
4350 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4351 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4352 declare.
4353 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4354 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4355 Make static.
4356 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4357 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4358 declare.
4359 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4360 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4361 Adjust parameters. Make static.
4363 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4365 * c-common.c (decl_attributes): Only take a single attributes
4366 parameter.
4367 * c-common.h (decl_attributes): Update prototype.
4368 * c-decl.c (start_decl, start_function): Only take a single
4369 attributes parameter. Update calls to decl_attributes.
4370 (finish_struct, finish_enum): Update calls to decl_attributes.
4371 (push_parm_decl): Expect unified list of attributes. Update call
4372 to decl_attributes.
4373 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4374 notype_nested_function, component_declarator,
4375 component_notype_declarator, label): Update calls to
4376 decl_attributes.
4377 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4378 lists that are passed to push_parm_decl.
4379 * c-tree.h (start_function, start_decl): Update prototypes.
4380 * config/sh/sh-protos.h, config/sh/sh.c
4381 (sh_pragma_insert_attributes): Only take a single attributes
4382 parameter.
4383 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4384 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4385 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4386 build_module_descriptor, generate_static_references,
4387 generate_strings, build_selector_translation_table,
4388 generate_descriptor_table, generate_protocols,
4389 generate_ivars_list, generate_dispatch_table,
4390 generate_protocol_list, generate_category,
4391 generate_shared_structures, really_start_method, add_objc_decls,
4392 generate_classref_translation_entry): Update calls to start_decl
4393 and start_function.
4394 (build_tmp_function_decl, start_method_def): Unify attribute lists
4395 that are passed to push_parm_decl.
4397 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4399 * final.c (no_asm_to_stream): New.
4400 (final_scan_insn): Use target structures for prologue ends
4401 and epilogue starts.
4402 * output.h (no_asm_to_stream): New.
4403 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4404 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4405 (TARGET_ASM_OUT): Update.
4406 * target.h (struct gcc_target): New members function_end_prologue
4407 and function_begin_epilogue.
4408 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4409 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4410 * config/alpha/alpha.c (output_end_prologue): Rename to
4411 alpha_output_function_end_prologue. Use in target struct
4412 and make static.
4413 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4414 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4415 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4416 ia64_output_function_end_prologue. Use in target struct
4417 and make static.
4418 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4419 mistyped prototypes.
4420 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4421 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4422 Delete.
4423 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4424 an use in target struct, make static.
4425 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4426 Delete.
4428 2001-07-08 Richard Henderson <rth@redhat.com>
4430 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4432 2001-07-08 Richard Henderson <rth@redhat.com>
4434 * config/i386/i386.md: Remove constraints strings from define_split
4435 and define_peephole2 patterns.
4436 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4437 (eh_return): Use them.
4439 2001-07-08 Richard Henderson <rth@redhat.com>
4441 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4442 Document MD_FALLBACK_FRAME_STATE_FOR.
4444 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4446 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4447 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4448 elimination.
4449 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4451 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4453 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4454 of the label inside NAME as opposed to just the end of NAME.
4456 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4458 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4459 * config/alpha/alpha.c (alpha_init_machine_status,
4460 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4461 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4462 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4463 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4465 2001-07-06 Stan Shebs <shebs@apple.com>
4467 * target.h (targetm): Rename global from "target", so as not to
4468 conflict with local variables.
4469 * c-decl.c: Ditto.
4470 * c-typeck.c: Ditto.
4471 * final.c: Ditto.
4472 * tree.c: Ditto.
4473 * cp/decl.c: Ditto.
4474 * cp/decl2.c: Ditto.
4475 * cp/typeck.c: Ditto.
4476 * 1750a/1750a.c: Ditto.
4477 * a29k/a29k.c: Ditto.
4478 * arc/arc.c: Ditto.
4479 * arm/arm.c: Ditto.
4480 * avr/avr.c: Ditto.
4481 * clipper/clipper.c: Ditto.
4482 * convex/convex.c: Ditto.
4483 * d30v/d30v.c: Ditto.
4484 * dsp16xx/dsp16xx.c: Ditto.
4485 * elxsi/elxsi.c: Ditto.
4486 * fr30/fr30.c: Ditto.
4487 * h8300/h8300.c: Ditto.
4488 * i370/i370.c: Ditto.
4489 * i386/i386.c: Ditto.
4490 * i860/i860.c: Ditto.
4491 * i960/i960.c: Ditto.
4492 * ia64/ia64.c: Ditto.
4493 * m32r/m32r.c: Ditto.
4494 * m68hc11/m68hc11.c: Ditto.
4495 * m68k/m68k.c: Ditto.
4496 * m88k/m88k.c: Ditto.
4497 * mips/mips.c: Ditto.
4498 * ns32k/ns32k.c: Ditto.
4499 * pa/pa.c: Ditto.
4500 * pdp11/pdp11.c: Ditto.
4501 * romp/romp.c: Ditto.
4502 * rs6000/rs6000.c: Ditto.
4503 * sh/sh.c: Ditto.
4504 * sparc/sparc.c: Ditto.
4505 * vax/vax.c: Ditto.
4506 * we32k/we32k.c: Ditto.
4507 * doc/tm.texi: Update the manual to match.
4509 2001-07-06 Richard Henderson <rth@redhat.com>
4511 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4512 DWARF2_UNWIND_INFO not just whether it is defined.
4514 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4516 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4517 call to simplify_binary_operation returns a new pattern.
4519 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4521 * glimits.h (__SHRT_MAX__): New.
4522 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4523 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4525 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4527 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4528 avoid warnings.
4530 2001-07-06 Richard Henderson <rth@redhat.com>
4532 * bitmap.c (bitmap_release_memory): Move adjacent to the
4533 allocation functions.
4534 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4535 the implementation. Binary search for the set bit.
4536 (bitmap_union_of_diff): Allocate the temporary on the stack
4537 instead of using xmalloc.
4539 2001-07-06 Richard Henderson <rth@redhat.com>
4541 * genrecog.c (validate_pattern): Warn for constraints in
4542 define_{expand,split,peephole2}. Remove strict_low_part
4543 before looking up match_dup.
4545 2001-07-06 DJ Delorie <dj@redhat.com>
4547 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4548 chapter about various build hints and history. Add section
4549 talking about the various types of native and cross builds.
4551 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4553 * Makefile.in (final.o): Depend on target.h.
4554 * final.c: Include target.h.
4555 (default_function_pro_epilogue): New.
4556 (final_start_function): Use target structure for function prologues.
4557 (final_end_function): Use target structure for function epilogues.
4558 * fold-const.c (real_hex_to_f): Constify s and p.
4559 * output.h (default_function_pro_epilogue): New.
4560 * real.h (real_hex_to_f): Update prototype.
4561 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4562 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4563 (TARGET_INITIALIZER): Update.
4564 * target.h (gcc_target): Add struct asm_out.
4565 * doc/tm.texi: Update.
4567 config:
4568 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4569 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4570 in cpu/cpu.c, or rename old functions consistently. Take
4571 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4572 redundant macros and prototypes. Make new functions static.
4574 * 1750a/1750a.c: Similarly.
4575 * 1750a/1750a.h: Similarly.
4576 * a29k/a29k-protos.h: Similarly.
4577 * a29k/a29k.c: Similarly.
4578 * a29k/a29k.h: Similarly.
4579 * arc/arc-protos.h: Similarly.
4580 * arc/arc.c: Similarly.
4581 * arc/arc.h: Similarly.
4582 * arm/arm-protos.h: Similarly.
4583 * arm/arm.c: Similarly.
4584 * arm/arm.h: Similarly.
4585 * avr/avr-protos.h: Similarly.
4586 * avr/avr.c: Similarly.
4587 * avr/avr.h: Similarly.
4588 * clipper/clipper-protos.h: Similarly.
4589 * clipper/clipper.c: Similarly.
4590 * clipper/clipper.h: Similarly.
4591 * convex/convex.c: Similarly.
4592 * convex/convex.h: Similarly.
4593 * d30v/d30v-protos.h: Similarly.
4594 * d30v/d30v.c: Similarly.
4595 * d30v/d30v.h: Similarly.
4596 * d30v/d30v.md: Similarly.
4597 * dsp16xx/dsp16xx-protos.h: Similarly.
4598 * dsp16xx/dsp16xx.c: Similarly.
4599 * dsp16xx/dsp16xx.h: Similarly.
4600 * elxsi/elxsi.c: Similarly.
4601 * elxsi/elxsi.h: Similarly.
4602 * fr30/fr30.c: Similarly.
4603 * fr30/fr30.md: Similarly.
4604 * h8300/h8300-protos.h: Similarly.
4605 * h8300/h8300.c: Similarly.
4606 * h8300/h8300.h: Similarly.
4607 * i370/i370-protos.h: Similarly.
4608 * i370/i370.c: Similarly.
4609 * i370/i370.h: Similarly.
4610 * i386/i386.c: Similarly.
4611 * i386/osf1elf.h: Similarly.
4612 * i386/osfrose.h: Similarly.
4613 * i860/i860-protos.h: Similarly.
4614 * i860/i860.c: Similarly.
4615 * i860/i860.h: Similarly.
4616 * i960/i960-protos.h: Similarly.
4617 * i960/i960.c: Similarly.
4618 * i960/i960.h: Similarly.
4619 * ia64/ia64-protos.h: Similarly.
4620 * ia64/ia64.c: Similarly.
4621 * ia64/ia64.h: Similarly.
4622 * m32r/m32r-protos.h: Similarly.
4623 * m32r/m32r.c: Similarly.
4624 * m32r/m32r.h: Similarly.
4625 * m68hc11/m68hc11-protos.h: Similarly.
4626 * m68hc11/m68hc11.c: Similarly.
4627 * m68hc11/m68hc11.h: Similarly.
4628 * m68k/crds.h: Similarly.
4629 * m68k/dpx2.h: Similarly.
4630 * m68k/m68k-protos.h: Similarly.
4631 * m68k/m68k.c: Similarly.
4632 * m68k/m68k.h: Similarly.
4633 * m68k/news.h: Similarly.
4634 * m88k/m88k-protos.h: Similarly.
4635 * m88k/m88k.c: Similarly.
4636 * m88k/m88k.h: Similarly.
4637 * mips/mips-protos.h: Similarly.
4638 * mips/mips.c: Similarly.
4639 * mips/mips.h: Similarly.
4640 * ns32k/merlin.h: Similarly.
4641 * ns32k/ns32k.c: Similarly.
4642 * ns32k/ns32k.h: Similarly.
4643 * ns32k/tek6000.h: Similarly.
4644 * pa/pa-protos.h: Similarly.
4645 * pa/pa.c: Similarly.
4646 * pa/pa.h: Similarly.
4647 * pdp11/2bsd.h: Similarly.
4648 * pdp11/pdp11-protos.h: Similarly.
4649 * pdp11/pdp11.c: Similarly.
4650 * pdp11/pdp11.h: Similarly.
4651 * romp/romp-protos.h: Similarly.
4652 * romp/romp.c: Similarly.
4653 * romp/romp.h: Similarly.
4654 * rs6000/rs6000-protos.h: Similarly.
4655 * rs6000/rs6000.c: Similarly.
4656 * rs6000/rs6000.h: Similarly.
4657 * rs6000/sysv4.h: Similarly.
4658 * sh/sh-protos.h: Similarly.
4659 * sh/sh.c: Similarly.
4660 * sh/sh.h: Similarly.
4661 * sparc/sparc-protos.h: Similarly.
4662 * sparc/sparc.c: Similarly.
4663 * sparc/sparc.h: Similarly.
4664 * vax/vax.c: Similarly.
4665 * vax/vax.h: Similarly.
4666 * vax/vms.h: Similarly.
4667 * we32k/we32k.c: Similarly.
4668 * we32k/we32k.h: Similarly.
4670 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4672 * basic-block.h (first_insn_after_basic_block_note): Declare.
4673 * flow.c (first_insn_after_basic_block_note): Define. Moved
4674 from...
4675 * ssa.c (first_insn_after_basic_block_note): Remove.
4676 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4677 necessary.
4678 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4679 nodes when we find a dead conditional branch. Insert BARRIERs
4680 after any blocks with no successors, but which do not have
4681 any BARRIERs.
4683 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4685 * varray.c (varray_check_failed): Use internal_error.
4687 2001-07-05 Andrew Haley <aph@redhat.com>
4689 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4690 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4691 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4693 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4695 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4696 reference if the target constant is also a SYMBOL_REF.
4698 2001-07-05 Eric Christopher <echristo@redhat.com>
4700 * config/mips/mips.h (MASK_MIPS3900): Remove.
4701 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4702 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4703 (TARGET_MIPS3900): Change to use mips_arch.
4704 (TARGET_MIPS4000): New.
4705 (TARGET_MIPS4100): New.
4706 (TARGET_MIPS4300): New.
4707 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4708 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4709 for -mipsX.
4710 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4711 (ISA_HAS_BRANCHLIKELY): To here.
4712 (CC1_CPU_SPEC): New.
4713 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4714 (mips_arch_string): Declare.
4715 (mips_arch): Declare.
4716 (TARGET_OPTIONS): Add -march and -mtune.
4718 * config/mips/mips.c (mips_arch_string): New.
4719 (mips_arch): New.
4720 (override_options): Handle -march for codegen and -mtune
4721 for scheduling. Use mips_arch. Move tx39 target default here.
4722 (mips_parse_cpu): Move error message to override_options.
4724 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4726 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4728 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4729 (MIPS Options): Ditto. Change mcpu entry to historical text.
4731 2001-07-05 H.J. Lu (hjl@gnu.org)
4733 * config/mips/mips.c (mips_parse_cpu): New function to parse
4734 -march=*/-mcpu=*.
4736 2001-07-05 Jim Wilson <wilson@redhat.com>
4738 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4739 * config/ia64/t-ia64: Likewise.
4740 (LIB1ASMFUNCS): Update comment.
4742 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4744 * doc/install.texi (Install GCC: Binaries): Fix typo.
4746 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4748 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4749 reference using the stack pointer, adjust it since we push Y
4750 temporarily.
4751 ("*ashrsi3"): Likewise.
4752 ("*lshrsi3"): Likewise.
4754 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4756 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4757 when -fomit-frame-pointer is used.
4759 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4761 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4762 (try_redirect_by_replacing_jump): Reverse updating properly the
4763 count and frequency information. Reverse removing cc0 setter.
4764 (forwarder_block_p): Reverse fixing for fallthru blocks.
4766 2001-07-05 DJ Delorie <dj@redhat.com>
4768 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4769 (translate_options): If the above is defined, use it to map
4770 given options to new options.
4771 * doc/tm.texi: Document it.
4773 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4774 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4776 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4777 cause programs using computed gotos to run more slowly.
4779 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4781 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4782 Fixed sorting.
4783 Consistently require binutils 2.11.2, not prereleases.
4784 (Specific, decstation-*): Canonicalize as mips-dec-*.
4785 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4786 always necessary.
4787 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4788 (Specific, mips-*): Reword MIPS C compiler requirements.
4789 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4790 (Specific, sunv5): Removed, obsolete.
4792 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4794 * dwarf2out.c (output_loc_list): Use an all ones mask for
4795 .text asm output and don't rely on long long
4796 literals. Reformat some long lines.
4798 2001-07-05 Andreas Jaeger <aj@suse.de>
4800 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4801 section.
4803 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4805 * dwarf2out.c (dwarf2out_define): Update comment.
4806 (dwarf2out_undef): Ditto.
4807 (dwarf2out_start_source_file): Ditto.
4808 (dwarf2out_end_source_file): Ditto.
4809 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4810 since we never call the start/end debug hook for the primary file.
4812 2001-07-04 Kazu Hirata <kazu@hxi.com>
4814 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4815 from shll.
4817 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4819 * cppinit.c (remove_dup_dirs): Inform if a system include
4820 directory is being reordered.
4821 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4822 system include.
4823 * doc/cpp.texi (Search Paths): Likewise.
4824 * doc/gcc.texi (Interoperation): Remove information about
4825 -I/usr/include.
4827 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4829 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4830 (VARRAY_TOP_CHAR_PTR): Likewise.
4832 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4834 * gcc.c (process_command): Don't assign elements of a const char*.
4836 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4838 * emit-rtl.c (change_address): Don't abort if invalid address while
4839 reload is in progress.
4841 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4843 * c-lex.c (cb_file_change): Pass line number to
4844 debug_start_source_file.
4845 (cb_undefine): Pass correct line number to debug_undef.
4847 * toplev.c (debug_start_source_file): Add line number to
4848 parameters. Pass it along to dwarf2out_start_source_file.
4849 (decode_g_option): Stop resetting debug level back to normal when
4850 we change debug formats, unless the current level is
4851 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4852 3).
4854 * toplev.h (debug_start_source_file): Add line number to
4855 parameters.
4857 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4858 parameters.
4860 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4861 parameters.
4862 Output debug_macinfo data for starting file if requested.
4863 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4864 file if requested.
4865 (dwarf2out_define): Output debug_macinfo data for defining a macro
4866 if requested.
4867 (dwarf2out_undef): Output debug_macinfo data for undefining a
4868 macro if requested.
4869 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4870 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4871 (macinfo_section_label): New. DWARF2 macro info section label.
4872 (dwarf2out_init): If we want macro info, output the start label
4873 for the section.
4874 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4875 attribute to the compilation unit die pointing to the macro info.
4877 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4879 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4880 DWARF2_DEBUGGING_INFO.
4881 (add_loc_descr_to_loc_list): Ditto.
4882 (output_loc_list): Ditto.
4883 Also, fix thinko in curr not being initialized.
4884 (gen_internal_sym): Ditto.
4886 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4888 * emit-rtl.c (replace_equiv_address): New function.
4889 * expr.h (replace_equiv_address): New declaration.
4890 * explow.c (validize_mem): Call it instead of change_address and
4891 also call if -fforce-addr and address is constant.
4892 * expr.c: Replace more calls to change_address with adjust_address
4893 and/or replace_equiv_address or to validize_mem.
4894 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4895 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4896 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4897 * config/i370/i370.md, config/i860/i860.md: Likewise.
4898 * config/i960/i960.md, config/mips/mips.c: Likewise.
4899 * config/mips/mips.md, config/pa/pa.md: Likewise.
4900 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4901 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4903 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4907 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4908 function.
4910 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4912 * doc/include: New directory.
4913 * doc/fdl.texi: Move to doc/include/fdl.texi.
4914 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4915 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4916 * doc/gcc.texi: Use funding.texi and gpl.texi.
4917 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4918 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4919 Update dependencies and use -I $(docdir)/include.
4921 2001-07-04 Anthony Green <green@redhat.com>
4923 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4925 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4927 * doc/install.texi (sparc64-*-*): Remove garbage.
4929 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4931 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4932 Fix typo in last change to use adjust_address.
4934 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4936 * doc/install.texi (Specific): Update information for *-*-solaris*.
4938 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4940 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4942 2001-07-03 Stan Shebs <shebs@apple.com>
4944 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4945 case for flag_no_mach_text_sections.
4946 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4947 * config/darwin.c (flag_no_mach_text_sections): Remove.
4948 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4950 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4952 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4953 and avoid checking for constant as first operand.
4954 * recog.c (find_constant_term_loc): No longer static.
4955 (adj_offettable_operand): Delete.
4956 * rtl.h (adj_offsettable_operand): Delete declaration.
4957 (find_constant_term): Add declaration.
4958 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4959 to adjust_address.
4960 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4961 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4962 * config/i386/i386.c, config/i386/i386.md: Likewise.
4963 * config/i860/i860.c, config/i960/i960.c: Likewise.
4964 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4965 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4966 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4967 * config/mips/mips.c, config/mips/mips.md: Likewise.
4968 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4969 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4970 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4971 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4972 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4973 * config/ns32k/ns32k.md: Likewise.
4975 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4977 * rtl.c (copy_rtx): Handle 'T' format letter.
4978 * gensupport.c (collect_insn_data): Likewise.
4979 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4981 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4983 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4984 -B option. Use 'dir' not 'foo' as example directory name.
4986 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4988 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4989 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4991 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4993 * doc/cppinternals.texi: Improve formatting and logical markup.
4995 2001-07-03 Andreas Jaeger <aj@suse.de>
4997 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4999 * genrecog.c (write_header): Include reload.h for prototypes in
5000 insn-recog.c.
5002 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5004 config:
5005 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5006 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5007 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5008 i386_pe_valid_type_attribute_p): Add.
5009 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5010 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5012 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5014 * explow.c (plus_constant_wide, case LO_SUM): New case.
5015 (plus_constant_for_output_wide): Delete.
5016 * rtl.h (plus_constant_for_output): Delete.
5017 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5018 instead of plus_constant_for_output.
5019 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5020 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5021 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5022 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5023 * config/sparc/sparc.md: Likewise.
5024 Convert some change_address calls to adjust_address.
5026 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5028 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5029 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5030 documentation of -std and -Wwrite-strings.
5032 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5034 * cse.c (canon_hash): Don't register registers in very small
5035 register classes, as extending their lifetime might cause
5036 reload to fail.
5038 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5040 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5042 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5043 (try_redirect_by_replacing_jump): Update properly the count
5044 and frequency information.
5046 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5048 * toplev.c (dump_file_index): Move SSA dumps just after first
5049 jump dump.
5050 (dump_file): Corresponding changes.
5051 (rest_of_compilation): Move SSA path to just after the first
5052 jump pass.
5053 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5054 * doc/invoke.texi: Update dump file #s as they were completely
5055 out of date with reality.
5057 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5059 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5061 * expr.c (emit_move_insn_1): Deal with non-default
5062 STACK_PUSH_CODE.
5064 * expr.c (emit_single_push_insn): Fix warning.
5066 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5068 * expr.c (emit_move_insn_1): Avoid modifying
5069 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5071 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5073 * emit-rtl.c (adjust_address): New function.
5074 * expr.h (adjust_address): Add declaration.
5075 * builtins.c: Replace some calls to change_address with calls to it
5076 or to validize_mem.
5077 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5078 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5079 * config/arm/arm.c, config/convex/convex.c: Likewise.
5080 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5081 * config/i386/i386.c, config/i386/i386.md: Likewise.
5082 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5083 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5084 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5085 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5086 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5088 2001-07-02 Jim Wilson <wilson@redhat.com>
5090 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5092 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5094 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5095 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5097 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5099 * cppinit.c (lang_defaults): New table.
5100 (set_lang): Just read from lang_defaults into the live options
5101 structure.
5103 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5105 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5106 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5107 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5109 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5111 * doc/install.texi: Various spelling and markup fixes.
5112 (Installing GCC): Component specific installation instructions are
5113 gone.
5114 Fix reference.
5115 Warn about removing old install dir in the presence of shared libs.
5116 (Configuration): Invoke with options target to match configure
5117 --help.
5118 Consistently refer to gas, gld pathnames.
5119 Invert --enable-multilib documentation.
5120 Remove references to old compiler versions.
5122 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5124 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5126 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5128 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5129 section.
5130 (Specific, mips*-sgi-irix5): Note IDO download.
5131 Reworded MIPS C hints.
5132 Use GNU as instead of GAS.
5133 Markup fixes.
5134 Removed SGI Freeware reference, IRIX 6 only.
5135 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5136 Note N64 library requirement/workaround.
5137 Update O32 hints.
5138 Complete list of structure passing bug victims.
5140 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5142 * doc/install.texi: Remove CVS Id.
5144 2001-07-02 Andreas Jaeger <aj@suse.de>
5146 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5147 (find_inherently_necessary): Remove unused variable.
5149 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5151 * c-common.h (TDI_inlined): New ast dump phase.
5152 (dump_flag_name): New function.
5153 * c-dump.c (dump_files): Add inlined phase.
5154 (dump_flag_name): Define.
5155 * doc/invoke.texi (-fdump-ast-inlined): Document.
5157 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5159 * stor-layout.c (layout_decl): Revert change to handling of alignment
5160 in packed types.
5162 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5164 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5165 for FIELD_DECL.
5167 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5169 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5170 is special.
5172 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5174 * tlink.c (recompile_files): Remove COMPILER_PATH and
5175 LIBRARY_PATH from the environment.
5177 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5179 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5180 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5181 enumerators.
5182 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5184 * c-parse.in (OBJC_STRING): Kill.
5185 (objc_string): Decompose to [objc_string] '@' STRING.
5186 (reswords): Take the leading '@' off all the Objective C keywords.
5187 (objc_rid_sans_at): Kill.
5188 (init_reswords): Don't initialize it.
5189 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5190 (_yylex): Kill reconsider label. Look ahead one token after
5191 an '@'; if we get an identifier, check whether it's an
5192 Objective C @-keyword. If so, return the keyword. Otherwise,
5193 put back the token and return the '@' as a terminal.
5195 * cpplib.c (lex_macro_node): Remove unnecessary check for
5196 leading '@' on identifier. Clarify control flow and commentary.
5198 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5200 * cse.c (new_label_ref): Variable deleted.
5201 (insert): Remove set of new_label_ref.
5202 (check_for_label_ref): New function.
5203 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5205 See ChangeLog.5 for earlier changes.