1 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * final.c: Undo my previous accidental checkin.
7 2001-08-16 Richard Henderson <rth@redhat.com>
9 * varasm.c (named_section_flags): Remove align parameter.
10 * varasm.c, dwarf2out.c: Update all callers.
11 * output.h: Update prototypes.
13 * target.h (target.asm_out.named_section): Remove align parameter.
14 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
15 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
16 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
17 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
18 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
20 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
21 (get_named_section_flags, set_named_section_flags): New.
22 (named_section_flags): Use them.
23 (named_section): Do decl vs section flags check here...
24 (default_section_type_flags): ... not here.
25 (init_varasm_once): Create in_named_htab.
26 (resolve_unique_section): Mark reloc unused.
28 2001-08-16 Richard Henderson <rth@redhat.com>
30 * varasm.c (force_const_mem): Keep pool alignment in bits.
31 (output_constant_pool): Use assemble_align.
33 2001-08-16 Zack Weinberg <zackw@panix.com>
35 * doc/tm.texi: Remove extra @table command.
37 2001-08-16 Zack Weinberg <zackw@panix.com>
39 * final.c (shorten_branches): Clear the end of the label_align
40 array only if we made it larger. Break up messy expressions
43 * diagnostic.c (internal_error): Check for error recursion
44 before doing ICE suppression.
46 * timevar.c: Timing variables now count in milliseconds.
47 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
49 (timevar_print): Don't print any timer whose user, cpu, and
50 wall times are all zero as displayed.
51 * timevar.h: Update comment aboout units. Make timevar
54 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
56 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
57 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
58 (expand_function_start): Likewise.
59 * stmt.c (expand_decl): Likewise.
60 * varasm.c (make_decl_rtx): Likewise.
62 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
64 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
65 (finalize_record_size): Don't set TYPE_USER_ALIGN.
67 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
69 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
72 2001-08-16 Andreas Jaeger <aj@suse.de>
74 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
77 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
79 * rtl.h (only_sets_cc0_p): New prototype.
80 * jump.c (sets_cc0_p): Handle INSN.
81 (only_sets_cc0_p): New function.
82 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
83 (tidy_fallthru_edge): Likewise.
84 * integrate.c (copy_insn_list): Likewise.
85 * unroll.c (unroll_loop): Likewise.
86 (copy_loop_body): Likewise.
88 2001-08-15 Jason Eckhardt <jle@redhat.com>
90 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
92 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
94 * predict.c (struct block_info_def): Remove nvisited.
95 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
96 (estimate_bb_frequencies): Call mark_dfs_back_edges.
98 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
99 (ix86_adjust_cost): Teach scheduler that latency to load operand can
102 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
104 * predict.def: Update hitrates.
106 2001-08-15 Richard Henderson <rth@redhat.com>
108 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
110 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
112 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
113 note from its associated jump.
115 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
117 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
118 also on 64-bit s390x targets.
120 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
122 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
124 (arm_expand_prologue): Handled nested functions which take a
125 variable argument list.
126 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
127 macro with an invocation of
128 arm_compute_initial_elimination_offset.
129 * config/arm/arm-protos.h: Prototype
130 arm_compute_initial_elimination_offset.
132 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
134 * doc/install.texi (Specific, avr): Fix markup.
135 (Specific, c4x): Ditto.
137 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
139 * predict.c (dump_prediction): Change `bool' parameter to `int'.
141 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
143 * Makefile.in (OBJS): Add rtl-error.o
144 (rtl-error.o): New rule.
145 (diagnostic.o): Adjust dependency.
146 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
147 error_for_asm, _fatal_insn, _fatal_insn_not_found,
148 warning_for_asm): Move to...
149 rtl-error.c: ...here. New file.
151 2001-08-14 Richard Henderson <rth@redhat.com>
153 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
154 if USING_SJLJ_EXCEPTIONS.
156 2001-08-14 Steve Ellcey <sje@cup.hp.com>
158 * tlink.c (scan_linker_output): Check string for unsatisfied in
159 addition to undefined and unresolved.
161 2001-08-14 Graham Stott <grahams@redhat.com>
163 * libgcc2.c (*): Replace EH_FRAME_SECTION with
164 EH_FRAME_SECTION_NAME.
166 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
168 * genattrtab.c (simplify_test_exp_in_temp): New function.
169 (simplify_test_exp): Avoid explicit use of temporary obstack.
170 (simplify_cond, insert_right_side, evaluate_eq_attr,
171 simplify_and_tree, simplify_or_tree, eliminate_known_true):
172 Use simplify_test_exp_in_temp.
173 (optimize_attrs): Iterate until expression stabilizes.
175 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
177 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
178 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
180 2001-08-13 Richard Henderson <rth@redhat.com>
182 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
183 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
184 * config/arm/conix-elf.h: Likewise.
186 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
188 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
190 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
192 * gcse.c (hash_scan_set): Expressions that are set as part of
193 jump instructions are not available.
195 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
197 * config/s390/s390.c (print_operand, s390_function_prologue,
198 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
200 2001-08-13 Richard Henderson <rth@redhat.com>
202 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
203 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
204 * doc/tm.texi (Exception Region Output): Document it.
206 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
208 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
209 DWARF2 instead of stabs by default.
211 2001-08-13 David Edelsohn <edelsohn@gnu.org>
213 * config/rs6000/rs6000.c: Include optabs.h.
215 2001-08-13 David Edelsohn <edelsohn@gnu.org>
217 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
218 save/restore routines.
219 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
221 2001-08-13 Andreas Jaeger <aj@suse.de>
223 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
224 the english is correct.
226 2001-08-13 Zack Weinberg <zackw@panix.com>
228 * expr.h: Split out optab- and libfunc-related code to...
229 * optabs.h, libfuncs.h: ... these new headers.
231 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
233 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
235 * mkconfig.sh: Don't include insn-codes.h from config.h.
237 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
238 enum insn_code is available. Move reload_in_optab and
239 reload_out_optab array declarations to optabs.h.
240 * regmove.c (gen_add3_insn): Move to optabs.c, export from
241 there, prototype in expr.h.
242 * gencodes.c: Cleanup: zap global variables, don't use
243 printf where puts will do, don't bother defining MAX_INSN_CODE
244 which nothing uses, let CODE_FOR_nothing get its value implicitly.
246 * genemit.c, genopinit.c: Include optabs.h in generated file.
247 * genoutput.c: Include insn-codes.h in generated file.
248 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
249 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
250 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
251 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
252 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
253 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
255 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
256 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
257 config/m88k/m88k.c, config/sparc/sparc.c:
259 * reload.c: Include expr.h and optabs.h before reload.h.
260 * config/alpha/alpha.c: Include tree.h before reload.h.
261 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
262 and reload.h in that order.
263 * config/sparc/sparc.c: Include debug.h.
264 * recog.c: Include insn-codes.h.
266 2001-08-13 Andreas Jaeger <aj@suse.de>
268 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
271 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
273 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
274 * gcc.c (init_spec): Fix typo in comment.
275 * varasm.c (data_section): Fix typo in comment.
277 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
279 * predict.c (dump_prediction): New argument "USED".
280 (combine_predictions_for_insn): Determine the used heuristics,
281 output the case no heuristic applied.
282 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
284 2001-08-13 Andreas Jaeger <aj@suse.de>
286 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
289 2001-08-13 Kazu Hirata <kazu@hxi.com>
291 * jump.c: Fix formatting.
293 2001-08-13 Kazu Hirata <kazu@hxi.com>
295 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
298 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
300 * loop.c (check_dbra_loop): Use condjump_label to compute
303 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
304 to better document the files they're in.
306 2001-08-12 Zack Weinberg <zackw@panix.com>
308 * recog.h (struct insn_operand_data): Shrink 'mode' field
311 2001-08-12 Kazu Hirata <kazu@hxi.com>
313 * gcc.c: Fix comment formatting.
314 * gccspec.c: Likewise.
317 * genemit.c: Likewise.
318 * gengenrtl.c: Likewise.
319 * genrecog.c: Likewise.
320 * gensupport.c: Likewise.
321 * ggc-page.c: Likewise.
322 * global.c: Likewise.
325 * integrate.c: Likewise.
327 * libgcc2.c: Likewise.
329 * mbchar.c: Likewise.
330 * optabs.c: Likewise.
331 * predict.c: Likewise.
332 * prefix.c: Likewise.
333 * profile.c: Likewise.
334 * protoize.c: Likewise.
337 * regclass.c: Likewise.
338 * regmove.c: Likewise.
339 * reg-stack.c: Likewise.
340 * reload1.c: Likewise.
341 * resource.c: Likewise.
342 * rtlanal.c: Likewise.
345 2001-08-12 Kazu Hirata <kazu@hxi.com>
347 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
348 a tree representing a constant is passed to the macro.
350 2001-08-12 Richard Henderson <rth@redhat.com>
352 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
353 (rs6000_elf_asm_out_destructor): New.
354 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
355 (DTORS_SECTION_ASM_OP): Remove.
356 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
357 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
359 2001-08-12 David Edelsohn <edelsohn@gnu.org>
362 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
363 * gcc.c (set_collect_gcc_options): New function, split out from
365 Ignore elided switches.
366 (do_spec_1): Invoke before executing command.
369 * gcc.h (set_input): ... here.
370 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
373 2001-08-12 Richard Henderson <rth@redhat.com>
375 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
376 thinko wrt TARGET_RELOCATABLE.
378 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
380 * fix-header.c (cb_file_change): Update prototype.
382 2001-08-11 Zack Weinberg <zackw@panix.com>
384 * toplev.c (set_float_handler): Make static.
385 * toplev.h: Don't prototype set_float_handler.
387 * simplify-rtx.c: Don't include setjmp.h.
388 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
390 (simplify_unary_operation, simplify_binary_operation): Use them,
391 via do_float_handler.
393 * fold-const.c: Don't include setjmp.h.
394 (exact_real_inverse_1): New function.
395 (exact_real_inverse): Use it, via do_float_handler.
397 * varasm.c: Don't include setjmp.h.
398 (assemble_real_1): New function.
399 (assemble_real): Use it, via do_float_handler.
400 Call internal_error if we get a trap here.
402 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
403 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
405 2001-08-11 Zack Weinberg <zackw@panix.com>
407 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
408 STACK_BOUNDARY if not already defined.
410 * calls.c, function.c, reload1.c, explow.c: Don't default
411 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
412 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
414 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
417 * doc/tm.texi: Document that STACK_BOUNDARY is required;
418 clarify difference between it and PREFERRED_STACK_BOUNDARY.
420 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
422 * cppmacro.c (enter_macro_context): Push macro expansions even
425 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
427 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
428 (rs6000_elf_section_type_flags): Actually return a value.
430 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
432 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
433 Clean up code: add missing comments and prototypes, fix warnings,
434 remove obsolete code, fix spacing to conform to coding style.
436 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
438 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
439 and TARGET_ASM_CLOSE_PAREN.
440 (regclass_map): CC register belongs to class NO_REGS.
441 (legitimize_pic_address): Don't generate unnecessary moves
442 (to avoid confusing loop optimization).
443 (check_and_change_labels): Replace jump_long by indirect_jump.
444 (s390_final_chunkify): Don't start a new literal pool on section
445 switch in 64-bit code.
446 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
448 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
449 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
450 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
452 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
453 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
454 (CONST_COSTS): Fixed incorrect costs.
456 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
457 Use emit_jump instead of emit_jump_insn (gen_jump).
458 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
459 (to avoid confusing flow analysis).
460 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
461 (casesi, casesi_jump): New.
462 (jump_long): Removed. Functionality merged into indirect_jump.
463 (indirect_jump): Accept address_operand, not just register_operand.
464 (cjump_long, icjump_long): Use same logic as indirect_jump.
465 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
466 Fixed broken setjmp/longjmp handling.
467 (do_builtin_setjmp_setup): Removed.
469 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
470 broken GNU as versions that don't accept .quad with large
471 negative values. Use hexadecimal output instead.
472 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
473 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
474 FUNCTION_EPILOGUE): Removed. Now in targetm.
476 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
478 * config/s390/fixdfdi.h: Add missing copyright statement.
479 Fix type conflicts on 64-bit. Add missing SFmode routines.
481 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
484 2001-08-11 Richard Henderson <rth@redhat.com>
486 * rtl.h (REG_EH_RETHROW): Remove.
487 * rtl.c (reg_note_name): Update.
488 * combine.c (distribute_notes): Don't check for it.
490 2001-08-11 Richard Henderson <rth@redhat.com>
492 * combine.c (distribute_notes): Place REG_SETJMP.
494 2001-08-11 Richard Henderson <rth@redhat.com>
496 * doc/extend.texi (Arrays and pointers implementation): Discourage
497 relying on sign-extension of pointers.
499 2001-08-11 H.J. Lu <hjl@gnu.org>
501 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
503 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
504 RDATA_SECTION_ASM_OP.
506 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
508 * doc/install.texi (Specific, c4x): Fix cross-reference to the
509 main manual to work both for info and HTML versions.
511 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
512 Matt Kraai <kraai@alumni.carnegiemellon.edu>
514 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
515 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
516 (struct cpp_pool): New member first.
517 * cppinit.c (append_include_chain): Plug memory leaks.
518 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
519 Allocate pragma structures from the (aligned) macro pool to
520 avoid leaking memory.
521 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
522 so we don't leak memory.
523 * hashtable.c (ht_destroy): New.
524 * hashtable.h (ht_destroy): New.
526 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
527 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
529 * c-lex.c (map): Make const.
530 (cb_file_change): Update for callback passing a line map.
531 Don't assume we have a previous map. Remove sanity check
532 about popping too many files.
533 * cpperror.c (print_location): Make map const.
534 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
535 (cpp_make_system_header): Similarly.
536 (search_from): Similarly.
537 (_cpp_execute_include): Don't remember where we came from.
538 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
539 (struct cpp_reader): Make map const.
540 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
541 * cpplib.c (do_line): Update; line maps now hold sysp.
542 (cpp_push_buffer): Similarly.
543 (_cpp_do_file_change): Similarly; callback with map instead.
544 (cpp_get_line_maps): Constify return value.
545 (_cpp_pop_buffer): Update.
546 * cpplib.h (struct cpp_file_change): Remove.
547 (struct cpp_callbacks): Update.
548 (cpp_get_line_maps): Constify return value.
549 * cppmacro.c (_cpp_create_definition): Update.
550 * cppmain.c (struct printer): Constify map.
551 (maybe_print_line): Similarly.
552 (print_line): Similarly. Deduce flags 1 and 2 here.
553 (cb_file_change): Update.
554 * line-map.c (free_line_maps): Warn regardless.
555 (add_line_map): Return pointer to const. When passed NULL to_file
556 with LC_LEAVE, use the obvious values for the return point so the
557 caller doesn't have to figure them out.
558 (lookup_line): Return pointer to const.
559 (print_containing_files): Take pointer to const.
560 * line-map.h (struct line_map): New members reason, sysp.
561 (add_line_map): Return pointer to const.
562 (lookup_line): Similarly.
563 (print_containing_files): Take pointer to const.
565 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
566 Richard Henderson <rth@redhat.com>
568 * regmove.c (regmove_optimize): Avoid setting a register twice in
571 2001-08-10 Richard Henderson <rth@redhat.com>
573 * doc/extend.texi (Arrays and pointers implementation): Document
574 behavior of pointer/integer conversion.
576 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
578 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
580 2001-08-10 Richard Henderson <rth@redhat.com>
582 * doc/extend.texi (C Implementation): New chapter.
583 * doc/gcc.texi (Top): Link it in.
585 2001-08-10 Andrew Cagney <ac131313@redhat.com>
587 * doc/install.texi (Specific): Fix CVS merge botch.
589 2001-08-10 Richard Henderson <rth@redhat.com>
591 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
592 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
594 2001-08-10 Zack Weinberg <zackw@stanford.edu>
596 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
597 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
598 this macro is now required.
600 * cselib.c (cselib_process_insn), flow.c (propagate_block),
601 loop.c (find_and_verify_loops), reload.c (reload): Check
602 for rtx code of CALL_INSN, not CALL, when deciding if we
603 need to check for REG_SETJMP note.
605 * gcse.c (compute_hash_table, compute_store_table): Update
606 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
609 * config/avr/avr.c: Fix typo.
610 * config/convex/convex.c (expand_movstr): Use adjust_address.
611 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
613 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
614 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
616 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
617 Do define STACK_BOUNDARY.
618 * config/i370/i370.c: Include expr.h.
619 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
620 config/pa/som.h, config/v850/v850.h: Take in_ctors and
621 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
622 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
623 * config/m88k/m88k.c: Include c-tree.h after expr.h.
624 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
625 * config/romp/romp.c: Include expr.h after tree.h.
627 (output_fpop): Use xmalloc, not oballoc.
628 * config/we32k/we32k.c: Include expr.h.
630 2001-08-10 Kazu Hirata <kazu@hxi.com>
632 * config/h8300/h8300.h: Fix formatting.
634 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
636 * c-common.h (RETURN_NULLIFIED_P): Lose.
637 * c-semantics.c (genrtl_return_stmt): Don't check it.
639 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
641 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
642 (mips_annotate_frame_insn): New function.
643 (mips_emit_frame_related_store): New function.
644 (save_restore_insns): Don't mark instructions that set up the base
645 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
646 the store instructions instead.
647 (mips_expand_prologue): If the stack size is moved into a temporary
648 register, do not mark that move as frame-related. Add a
649 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
651 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
653 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
654 stack slot as unchanging if current_function_calls_eh_return.
656 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
658 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
659 access the second half of the TFmode scratch operand.
661 2001-08-10 Anthony Green <green@redhat.com>
663 * java/class.c (emit_register_classes): Conditionalize code on
666 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
668 * doc/install.texi (Specific, avr): Fix cross-reference to the
669 main manual to work both for info and HTML versions.
671 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
673 * stmt.c (expand_null_return_1): Remove code to generate simple returns
674 and "use_goto" argument.
675 (expand_null_return, expand_value_return): Update all callers.
676 * function.c (expand_function_end): Remove code to generate simple
678 * config/vax/vax.md (epilogue): New expander for function return.
679 * doc/md.texi (epilogue): Remove "if defined".
681 2001-08-09 Zack Weinberg <zackw@stanford.edu>
683 * Makefile.in: Partially revert my previous change:
684 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
685 of the hashtab.o and safe-ctype.o rules.
687 2001-08-09 Richard Henderson <rth@redhat.com>
689 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
690 (USE_COLLECT2): Remove duplicate definition.
691 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
692 (use_collect2): Remove dead code.
693 * configure.in (use_collect2): Remove will_use_collect2 and
694 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
695 * configure: Rebuild.
697 * target.h (targetm.asm_out.constructor): New.
698 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
699 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
700 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
701 * varasm.c (in_ctors, in_dtors): New.
702 (assemble_constructor, assemble_destructor): Remove.
703 (default_stabs_asm_out_destructor): New.
704 (default_named_section_asm_out_destructor): New.
705 (dtors_section, default_dtor_section_asm_out_destructor): New.
706 (default_stabs_asm_out_constructor): New.
707 (default_named_section_asm_out_constructor): New.
708 (ctors_section, default_ctor_section_asm_out_constructor): New.
709 * output.h: Update declarations.
710 * c-decl.c (c_expand_body): Use target hooks instead of
711 assemble_constructor and assemble_destructor.
712 * profile.c (output_func_start_profiler): Likewise.
713 * objc/objc-act.c (finish_objc): Likewise.
714 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
716 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
718 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
719 (DTORS_SECTION_ASM_OP): Likewise.
720 (__CTOR_LIST__): Use attribute section when possible.
721 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
723 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
724 ASM_OUTPUT_CONSTRUCTOR.
726 * config/darwin.c (machopic_asm_out_constructor): New.
727 (machopic_asm_out_destructor): New.
728 * config/darwin-protos.h: Update declarations.
729 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
730 (ASM_OUTPUT_DESTRUCTOR): Remove.
731 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
732 * config/nextstep.c (nextstep_asm_out_constructor): New.
733 (nextstep_asm_out_destructor): New.
734 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
735 (ASM_OUTPUT_DESTRUCTOR): Remove.
736 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
737 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
738 ASM_OUTPUT_*STRUCTOR.
739 * config/i386/aix386ng.h: Likewise.
741 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
742 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
743 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
744 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
745 * config/lynx.h: Likewise.
746 * config/netware.h: Likewise.
747 * config/psos.h: Likewise.
748 * config/alpha/alpha-interix.h: Likewise.
749 * config/alpha/elf.h: Likewise.
750 * config/arc/arc.h: Likewise.
751 * config/arm/aof.h: Likewise.
752 * config/arm/coff.h: Likewise.
753 * config/arm/elf.h: Likewise.
754 * config/c4x/c4x.h: Likewise.
755 * config/h8300/h8300.h: Likewise.
756 * config/i386/cygwin.h: Likewise.
757 * config/i386/djgpp.h: Likewise.
758 * config/i386/i386-coff.h: Likewise.
759 * config/i386/i386-interix.h: Likewise.
760 * config/i386/sco5.h: Likewise.
761 * config/i386/vsta.h: Likewise.
762 * config/i386/win32.h: Likewise.
763 * config/i960/i960-coff.h: Likewise.
764 * config/ia64/sysv4.h: Likewise.
765 * config/m68hc11/m68hc11.h: Likewise.
766 * config/m68k/coff.h: Likewise.
767 * config/m68k/mot3300.h: Likewise.
768 * config/m88k/m88k.h: Likewise.
769 * config/mcore/mcore-pe.h: Likewise.
770 * config/mcore/mcore.h: Likewise.
771 * config/mips/elf.h: Likewise.
772 * config/mips/elf64.h: Likewise.
773 * config/mips/iris6.h: Likewise.
774 * config/pa/pa64-hpux.h: Likewise.
775 * config/rs6000/sysv4.h: Likewise.
776 * config/sh/sh.h: Likewise.
777 * config/sparc/litecoff.h: Likewise.
779 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
780 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
781 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
782 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
783 (ASM_OUTPUT_DESTRUCTOR): Remove.
784 * config/a29k/a29k.c: Move include of tree.h.
785 * config/a29k/udi.h: Delete file.
786 * config/alpha/alpha.c (vms_asm_out_constructor): New.
787 (vms_asm_out_destructor): New.
788 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
789 (EXTRA_SECTION_FUNCTIONS): Likewise.
790 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
791 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
792 * config/c4x/c4x.c: Move include of tree.h.
793 * config/clipper/clipper.c (clix_asm_out_constructor): New.
794 (clix_asm_out_destructor): New.
795 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
796 (ASM_OUTPUT_DESTRUCTOR): Remove.
797 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
798 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
799 (TARGET_ASM_CONSTRUCTOR): New.
800 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
801 (sco_asm_out_constructor): New.
802 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
803 * config/i386/svr3gas.h: Remove stack grows up code.
804 Remove code duplicated from i386/sysv3.h.
805 (TARGET_ASM_CONSTRUCTOR): New.
806 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
807 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
808 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
809 (TARGET_ASM_CONSTRUCTOR): New.
810 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
811 (m68hc11_asm_out_destructor): New.
812 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
813 (TARGET_ASM_DESTRUCTOR): New.
814 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
815 * config/m68k/dpx2.h: Properly undef all the bits inherited from
816 config/svr3.h pertaining to section manipulation.
817 * config/m68k/dpx2g.h: Remove #if 0 code.
818 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
819 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
820 (ASM_OUTPUT_CONSTRUCTOR): Remove.
821 (TARGET_ASM_CONSTRUCTOR): New.
822 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
823 (m88k_svr3_asm_out_constructor): New.
824 (m88k_svr3_asm_out_destructor): New.
825 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
826 (ASM_OUTPUT_DESTRUCTOR): Remove.
827 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
828 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
829 * config/rs6000/aix.h: Likewise.
830 * config/mips/rtems64.h: Don't undef removed constructor related bits.
831 * config/mips/vxworks.h: Likewise.
832 * config/rs6000/lynx.h: Likewise.
833 * config/sh/elf.h: Likewise.
834 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
835 (DTORS_SECTION_ASM_OP): New.
836 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
837 (ASM_OUTPUT_DESTRUCTOR): Remove.
838 * config/sparc/sol2-sld-64.h: Likewise.
839 * config/vax/vax.c (vms_asm_out_constructor): New.
840 (vms_asm_out_destructor): New.
841 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
842 (ASM_OUTPUT_DESTRUCTOR): Remove.
843 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
845 * doc/tm.texi (@node Initialization): Update.
847 2001-08-09 Richard Henderson <rth@redhat.com>
849 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
850 (__do_global_dtors_aux): Use gp-relative static data to avoid
851 one dynamic relocation.
852 (__do_frame_setup): Register Java classes.
853 * config/alpha/crtend.asm (__JCR_END__): New.
855 2001-08-09 Zack Weinberg <zackw@stanford.edu>
857 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
858 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
859 (GEN, STAGESTUFF): Add new files.
860 (insn-constants.h, s-constants, tm-preds.h, s-preds,
861 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
862 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
863 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
864 as well as insn-codes.h and insn-flags.h in config.h; and no
865 extra headers in tconfig.h and hconfig.h.
867 * gencodes.c: Eliminate code to generate predicate declarations
868 or #defines for md-file constants.
869 * genconstants.c, genpreds.c: New files.
871 * i386.md: Re-order guard expressions such that TARGET_64BIT
872 comes first, when this permits better optimization. Add
873 TARGET_64BIT to more x86-64 patterns. Add comment explaining
874 why this is desirable.
876 2001-08-09 Jakub Jelinek <jakub@redhat.com>
878 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
879 (find_fde_for_dso): Remove.
880 (_Unwind_IteratePhdrCallback): New.
881 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
882 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
884 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
886 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
887 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
889 2001-08-09 Graham Stott <grahams@redhat.com>
891 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
892 (vis_no_unit): Use it.
893 (visualize_no_unit): Add the insn only if room exists.
895 2001-08-09 Graham Stott <grahams@redhat.com>
897 * predict.c (estimate_probability): Replace magic numbers with
898 appropriate enumeration.
900 2001-08-09 Graham Stott <grahams@redhat.com>
902 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
904 (EXTRACT_FLAGS): Likewise.
906 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
908 * config/mips/mips.c (mips_legitimate_address_p): Check for
909 CONST_INT in last patch.
911 2001-08-08 Anthony Green <green@redhat.com>
913 * java/class.c (emit_register_classes): Use assemble_jcr if
914 possible. Keep the original mechanism as a fallback.
915 * defaults.h (JCR_SECTION_NAME): Define if we have named section
916 and weak symbol support.
917 * crtstuff.c (__JCR_LIST__): Define.
918 (__JCR_END__): Define.
919 (_Jv_RegiserClasses): Define weak symbol if possible.
920 (__do_global_ctors_aux): Register classes for ELF targets with
923 2001-08-08 Kazu Hirata <kazu@hxi.com>
925 * dbxout.c: Fix comment formatting.
926 * dependence.c: Likewise.
928 * diagnostic.c: Likewise.
929 * dominance.c: Likewise.
930 * doprint.c: Likewise.
931 * dwarf2out.c: Likewise.
932 * dwarfout.c: Likewise.
933 * emit-rtl.c: Likewise.
934 * except.c: Likewise.
935 * explow.c: Likewise.
936 * expmed.c: Likewise.
939 * fold-const.c: Likewise.
940 * function.c: Likewise.
942 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
944 * global.c (retry_global_alloc): Avoid shadowing allocno.
946 2001-08-08 Mark Mitchell <mark@codesourcery.com>
948 * except.c (remove_fixup_regions): Fix typo.
950 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
952 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
953 unsigned HOST_WIDE_INT to avoid warning.
954 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
955 * flow.c (set_block_for_new_insns): Likewise.
957 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
959 * sibcall.c (return_value_pseudo): New static variable.
960 (skip_copy_to_return_value): Handle return_value_pseudo.
961 (call_ends_block_p): Ensure that return_value_pseudo is set.
962 (optimize_sibling_and_tail_recursive_call): Discover the
963 load of pseudo return value in alternate exit block.
965 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
967 * calls.c (ECF_ALWAYS_RETURN): New constant.
968 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
969 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
970 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
971 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
972 * rtl.c (reg_note_name): New name.
973 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
975 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
977 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
979 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
981 * alias.c (get_alias_set): Return a previously calculated
982 alias set for a VAR_DECL.
983 * function.c (gen_mem_addressof): Calculate the alias set before
986 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
988 * predict.def: Set hitrates according our experimental run.
990 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
992 * i386.h (HARD_REGNO_RENAME_OK): New macro.
994 2001-08-08 H.J. Lu <hjl@gnu.org>
996 * config/mips/mips.c (mips_unique_section): New. Copied from
999 * config/mips/mips-protos.h (mips_unique_section): New
1002 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
1004 * config/mips/little.h: New. Generic little endian mips
1005 targets. Only mips*-*-linux* is converted to use it so far.
1007 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
1008 (WCHAR_TYPE): Defined
1009 (WCHAR_TYPE_SIZE): Likewise.
1010 (INIT_SUBTARGET_OPTABS): Likewise.
1011 (BSS_SECTION_ASM_OP): Likewise.
1012 (SBSS_SECTION_ASM_OP): Likewise.
1013 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
1014 (ASM_DECLARE_OBJECT_NAME): Likewise.
1015 (UNIQUE_SECTION): Likewise.
1016 (EXTRA_SECTIONS): Likewise.
1017 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1018 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1019 (ASM_OUTPUT_DEF): Likewise.
1020 (HANDLE_SYSV_PRAGMA): Removed.
1021 (NO_IMPLICIT_EXTERN_C): Likewise.
1022 (TARGET_MEM_FUNCTIONS): Likewise.
1023 (STARTFILE_SPEC): Likewise.
1024 (ENDFILE_SPEC): Likewise.
1025 (LIB_SPEC): Likewise.
1026 (INVOKE__main): Likewise.
1027 (CTOR_LIST_BEGIN): Likewise.
1028 (CTOR_LIST_END): Likewise.
1029 (DTOR_LIST_BEGIN): Likewise.
1030 (DTOR_LIST_END): Likewise.
1031 (SET_ASM_OP): Likewise.
1032 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1033 (ASM_OUTPUT_DEF): Likewise.
1034 (ASM_OUTPUT_IDENT): Likewise.
1036 * config/mips/mips.h (ASM_SPEC): Undefine before define.
1037 (CPLUSPLUS_CPP_SPEC): Likewise.
1038 (ASM_APP_ON) Redefine only if not defined.
1039 (ASM_APP_OFF): Likewise.
1040 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1041 (ASM_OUTPUT_IDENT): Likewise.
1043 * config.gcc: Update tm_file for Linux/mips.
1045 2001-08-08 Bernd Schmidt <bernds@redhat.com>
1047 * cselib.c (cselib_record_sets): If insn is predicated, turn
1048 sources into IF_THEN_ELSEs.
1050 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
1051 Turn into define_insn_and_split.
1053 * sched-deps.c: Include "cselib.h".
1054 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
1055 Use cselib to turn memory addresses into VALUEs.
1056 (sched_analyze): Call cselib_init/cselib_finish if necessary.
1057 * sched-int.h (struct sched_info): New member USE_CSELIB.
1058 * sched-ebb.c (ebb_sched_info): Initialize it.
1059 * sched-rgn.c (rgn_sched_info): Likewise.
1060 * Makefile.in (sched-deps.o): Update dependencies.
1062 * cselib.h (cselib_subst_to_values): Declare.
1063 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
1064 that have no value and autoincs to be handled by generating a new
1067 2001-08-08 Graham Stott <grahams@redhat.com>
1069 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
1070 within fixed length SEQUENCE.
1072 2001-08-08 Graham Stott <grahams@redhat.com>
1074 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
1075 (diagnostic_prefixing_rule): Likewise.
1076 (diagnostic_line_cutoff): Likewise.
1077 (diagnostic_kind_count): Likewise.
1079 2001-08-08 Graham Stott <grahams@redhat.com>
1081 * alias.c (find_base_decl): Delete redundent assignment.
1083 2001-08-08 Graham Stott <grahams@redhat.com>
1085 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
1086 (abs): Uppercase and paranthesize macro parameter.
1087 (MEM_DEPENDENCY): Add whitespace.
1089 2001-08-08 Graham Stott <grahams@redhat.com>
1091 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
1092 failure check for CONST_INT
1094 2001-08-08 Graham Stott <grahams@redhat.com>
1096 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
1097 (libcall_dead_p): Likewise.
1099 (mark_used_regs): Constify fmt.
1100 (find_use_as_address): Likewise.
1102 2001-08-08 Graham Stott <grahams@redhat.com>
1104 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
1107 2001-08-08 Graham Stott <grahams@redhat.com>
1109 * combine.c (combine_simplify_rtx): Update comment and
1110 remove erroneous test.
1112 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1114 * cppinit.c (cpp_finish): Pop the final buffer without comment.
1115 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
1116 take care to avoid multiple no-newline at EOF warnings in that
1119 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * calls.c (expand_call): Do not emit INSN_SETJMP note.
1122 (emit_library_call_value_1): Likewise.
1123 (emit_call_1): Emit REG_SETJMP note.
1124 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
1126 * cselib.c (cselib_process_insn): Likewise.
1127 * flow.c (propagate_block): Likewise.
1128 * loop.c (find_and_verify_loops): Likewise.
1129 * reload.c (find_equiv_regs): Likewise.
1130 * reload1.c (reload): Likewise.
1131 * resource.c (mark_referenced_resources,
1132 mark_set_resources): Likewise.
1133 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
1134 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
1135 * haifa-sched.c (unlink_other_notes): Likewise.
1136 (reemit_notes): Likewise.
1137 * sched-ebb.c (sched_ebb): Likewise.
1138 * sched-rgc.c (sched_region): Likewise.
1139 * rtl.c (note_insn_name): Likewise.
1140 (reg_note_name): Add REG_SETJMP
1141 * rtl.h (reg_note): Add REG_SETJMP.
1142 (insn_note): Remove NOTE_INSN_SETJMP.
1144 * profile.c (branch_prob): Add fake edges for setjmp.
1146 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
1148 * config.gcc: Quote target_cpu_default2 correctly for
1149 powerpc*-*-* targets.
1151 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1153 * cpplib.h, line-map.h: Update comments.
1154 * cppmain.c (printer_init): Move inline.
1155 (maybe_print_line, print_line): Take a map pointer.
1156 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1157 (cb_file_change): Don't use prior value of print.map.
1159 2001-08-07 David Edelsohn <edelsohn@gnu.org>
1161 * doc/install.texi: Document fine-grained multilib configuration.
1163 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1165 * rtlanal.c (find_first_parameter_load): Call note_stores
1166 only on the instructions.
1168 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1170 * alias.c (nonlocal_mentioned_p):
1171 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1172 * calls.c (emit_call_1): Likewise.
1173 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1174 * cselib.c (cselib_process_insn): Likewise.
1175 * df.c (df_insns_modify): Likewise.
1176 * flow.c (need_fake_edge_p): Likewise.
1177 (propagate_one_insn): Likewise.
1178 * haifa-sched.c (reemit_notes): Likewise.
1179 * integrate.c (copy_insn_list): Likewise.
1180 * jump.c (delete_prior_computation): Likewise.
1181 * local-alloc.c (validate_equiv_mem): Likewise.
1182 * loop.c (scan_loop): Likewise.
1183 * predict.c (estimate_probability): Likewise.
1184 * reload.c (reload): Likewise.
1185 * sched-deps (sched_analyze): Likewise.
1186 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1187 * gcse.c (compute_hash_table): Likewise.
1188 (mark_call): Likewise.
1189 (store_killed_in_insn): Likewise.
1191 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
1193 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1195 2001-08-06 Richard Henderson <rth@redhat.com>
1197 * varasm.c (assemble_gc_entry): Remove.
1198 * output.h: Likewise.
1200 2001-08-06 Richard Henderson <rth@redhat.com>
1202 * varasm.c (assemble_constructor): Take a symbol_ref and a
1203 priority instead of a bare string. Move priority handling
1204 here from cp/decl2.c.
1205 * output.h: Update decls.
1207 * c-decl.c (c_expand_body): Update calls to assemble_constructor
1208 and assemble_destructor.
1209 * profile.c (output_func_start_profiler): Likewise.
1210 * objc/objc-act.c (finish_objc): Likewise.
1211 (build_module_descriptor): Return the symbol not the symbol name.
1213 2001-08-06 David Edelsohn <edelsohn@gnu.org>
1215 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1216 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1217 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1218 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1219 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1220 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1222 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1224 * cpperror.c (print_containing_files): Moved to line-map.c.
1225 (print_location): line-map.c handles re-listing or otherwise.
1226 * cpphash.h (struct lexer_state): Remove next_bol.
1227 (struct cpp_buffer): Remove include_stack_listed.
1228 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1229 Remove faked buffer handling.
1230 (_cpp_do_file_change): Tweak.
1231 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1232 * cppmain.c (struct printer): Remove filename.
1233 (print_line, cb_file_change): Update accordingly.
1234 * line-map.c: Include intl.h.
1235 (init_line_maps): Initialize last_listed.
1236 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1237 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1238 (print_containing_files): New.
1239 * line-map.h (struct line_maps): New member last_listed.
1240 (print_containing_files, INCLUDED_FROM): New.
1241 * Makefile.in: Update.
1242 * po/POTFILES.in: Add line-map.c.
1244 2001-08-06 Richard Henderson <rth@redhat.com>
1246 * except.c (convert_from_eh_region_ranges_1): Never mark
1247 USE or CLOBBER insns as throwing.
1249 * expr.c (store_constructor): Don't clobber memory targets.
1251 2001-08-06 Andreas Jaeger <aj@suse.de>
1253 * profile.c (branch_prob): Remove unused variable insn.
1255 * Makefile.in (local-alloc.o): Add dependency on except.h.
1257 * local-alloc.c: Include except.h for can_throw_internal prototype.
1259 2001-08-06 Richard Henderson <rth@redhat.com>
1261 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1262 * function.c (expand_main_function): Implement it.
1263 * doc/tm.texi: Document it.
1265 2001-08-06 Stan Shebs <shebs@apple.com>
1267 * doc/install.texi: Document powerpc-*-darwin* details.
1269 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1271 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1272 (ASM_CPU_SPEC): Move back to rs6000.h
1273 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1275 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1277 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1280 * config/rs6000/linux64.h: Ditto.
1282 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1283 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1286 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1287 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1289 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1292 2001-08-05 Richard Henderson <rth@redhat.com>
1294 * local-alloc.c (update_equiv_regs): Do not move insns that
1297 2001-08-05 Jan Hubicka <jh@suse.cz>
1299 * Makefile.in (reload1.o): Add dedendancy on except.h
1300 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1302 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1303 indicating wehther edges has been cleaned up.
1304 * reload1.c: Inlucde except.h
1305 (fixup_abnormal_edges): Accept deleted insns.
1306 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1309 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1311 * cpplib.c (do_line): Correct line number after pop_buffer.
1313 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1315 PR preprocessor/3824
1316 * line-map.c: Update comments.
1317 * line-map.h: Update comments.
1318 * tradcif.y: Don't consider large numbers unsigned.
1320 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1322 PR preprocessor/3081
1323 * c-lex.c (map): New.
1324 (cb_file_change): Update map and use it.
1325 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1326 (c_lex): Update to use map.
1327 * cpperror.c (print_location): Move to using logical line numbers.
1328 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1329 (cpp_make_system_header): Similarly.
1330 (_cpp_execute_include): Stop line numbering hacks. Store the
1331 line we will return to.
1332 * cpphash.h (CPP_BUF_LINE): Remove.
1333 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1334 Add map and return_to_line.
1335 (_cpp_do_file_change): Update.
1336 * cppinit.c (cpp_start_read): Update line kludge.
1337 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1338 (trigraph_ok): Use logical line numbers for diagnostics.
1339 (skip_block_comment): Likewise.
1340 (skip_whitespace): Likewise.
1341 (skip_line_comment): Use pfile->line instead.
1342 (_cpp_lex_token): Update to use logical line numbering exclusively.
1343 Handle BOL locally. Accept new lines in directives, but keep
1344 pfile->line decremented. Diagnostics use logical lines. Update
1346 * cpplib.c (SEEN_EOL): New.
1347 (skip_rest_of_line, check_eol): Use it.
1348 (end_directive): Increase line number when accepting the newline
1349 at the end of a directive.
1350 (run_directive): Simplify.
1351 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1352 (_cpp_do_file_change): Update to take buffer line number as an
1353 argument, and store the current map in the cpp_reader. Remove
1354 line number kludges.
1355 (_cpp_do__Pragma): Restore output position after a _Pragma.
1356 (cpp_push_buffer): Don't set output line or lineno.
1357 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1358 Remove line kludge. Set output_line.
1359 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1360 (parse_arg): Use logical lines.
1361 (save_lookahead_token): Save EOFs too now.
1362 * cppmain.c (struct printer): Fix comments.
1363 (printer_init): Simplify, let caller do errors.
1364 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1365 (maybe_print_line): Simplify.
1366 (print_line): Don't print a linemarker if -P.
1367 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1368 (cb_file_change): Simplify.
1369 * line-map.h (LAST_SOURCE_LINE): Fix.
1370 (CURRENT_LINE_MAP): New.
1372 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1374 * doloop.c (doloop_modify_runtime): Properly compute number of
1375 iterations if loop was unrolled.
1377 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1378 if their CSELIB_VAL_PTRs are.
1380 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1381 (setup_spill_pointers): Initialize it.
1382 (spill_restore_mem): Set it.
1383 (do_spill, do_restore): Use it to add REG_INC note.
1384 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1386 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1387 asms if other insns are available.
1389 * config/ia64/ia64.c (condop_operator): New predicate.
1390 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1391 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1394 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1395 temporary register than directly using a MEM.
1397 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1399 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1400 parameter in last change.
1402 2001-08-04 Zack Weinberg <zackw@panix.com>
1404 * sparc.md: Don't use #if inside C test expression.
1406 2001-08-04 Richard Henderson <rth@redhat.com>
1408 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1410 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1412 * cpphash.h (struct cpp_reader): New member directive_line.
1413 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1414 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1415 do_pragma): Pass line to callbacks.
1416 (start_directive): Record line of directive.
1417 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1418 cb_include): Similarly.
1419 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1422 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1424 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1427 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1429 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1431 * reload1.c (fixup_abnormal_edges): New static function.
1434 * flow.c (need_fake_edge_p): New function.
1435 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1436 avoid call insn to be very last insn in the insn stream.
1438 * profile.c (branch_prob): Call flow_call_edges_add instead of
1439 doing that by hand; cleanup cfg to re-merge basic blocks once
1442 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1444 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1445 are also on line-map.h.
1446 * cppfiles.c (stack_include_file): Update.
1447 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1448 (_cpp_pop_buffer): New.
1449 * cppinit.c (cpp_destroy, cpp_finish): Update.
1450 (do_includes): Mark each buffer to return at EOF.
1451 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1452 return as requested.
1453 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1454 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1455 * cpplib.h (cpp_pop_buffer): Remove.
1456 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1457 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1459 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1461 (do_preprocessing): Update.
1462 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1463 * c-parse.in (_yylex): Similarly.
1464 * scan-decls.c (scan_decls): Similarly.
1465 * line-map.h: Update comments.
1467 * objc/Make-lang.in (objc-act.o): Update dependencies.
1469 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1471 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1472 and soft register for operand 0.
1473 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1475 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1477 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1478 register for operand 0.
1479 ("bitcmpqi_z_used"): Allow memory for operand 0.
1480 (split "bitcmpqi"): New split to handle address reg as operand 1.
1482 2001-08-04 Andreas Jaeger <aj@suse.de>
1484 * gcse.c: Revert Daniel's last patch.
1486 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1488 * sparc-protos.h: Add prototypes for fp_zero_operand and
1490 * sh-protos.h: Add prototype for fpul_operand.
1492 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1494 * doc/extend.texi (Other Builtins): Fix typo in last change.
1496 2001-08-03 Richard Henderson <rth@redhat.com>
1498 * target.h (gcc_target): Add asm_out.named_section,
1499 section_type_flags, have_named_sections.
1500 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1501 (TARGET_HAVE_NAMED_SECTIONS): New.
1502 (TARGET_SECTION_TYPE_FLAGS): New.
1504 * Makefile.in (toplev.o): Depend on TARGET_H.
1505 (varasm.o, dbxout.o): Likewise.
1506 * c-common.c (decl_attributes): Check targetm.have_named_sections
1507 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1508 * dbxout.c (dbxout_function_decl): Likewise.
1509 (dbxout_function_end): Likewise.
1510 * toplev.c (compile_file): Likewise.
1511 * varasm.c (exception_section): Likewise.
1512 * cp/decl2.c (finish_objects): Likewise.
1514 * defaults.h (EH_FRAME_SECTION): Remove.
1515 (EH_FRAME_SECTION_ASM_OP): Remove.
1516 (EH_FRAME_SECTION_NAME): New.
1517 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1518 (UNIQUE_SECTION_P): Remove.
1519 * dwarf2out.c (SECTION_FORMAT): Remove.
1520 (ASM_OUTPUT_SECTION): Remove.
1521 (output_call_frame_info): Use named_section_flags.
1522 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1523 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1524 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1525 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1526 (named_section_flags): New.
1527 (named_section): Use it and targetm.section_type_flags.
1528 (resolve_unique_section): New.
1529 (assemble_start_function): Use it.
1530 (asm_emit_uninitialised, assemble_variable): Likewise.
1531 (default_section_type_flags): New.
1532 (default_no_named_section, default_elf_asm_named_section): New.
1533 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1534 * output.h: Update varasm.c decls.
1535 (SECTION_*): New flags.
1537 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1538 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1540 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1541 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1542 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1543 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1544 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1545 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1546 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1547 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1548 * config/pa/pa64-hpux.h,
1550 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1551 (TARGET_ASM_NAMED_SECTION): New.
1552 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1553 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1554 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1555 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1556 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1557 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1558 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1559 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1560 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1561 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1562 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1563 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1564 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1565 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1566 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1567 * config/sparc/sysv4.h: Likewise.
1569 * config/nextstep.h: Error until named sections implemented.
1571 * config/a29k/a29k.c (a29k_asm_named_section): New.
1572 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1573 (vms_section_type_flags, vms_asm_named_section): New.
1574 * config/arm/arm.c (arm_elf_asm_named_section): New.
1575 * config/avr/avr.c (asm_output_section_name): Remove.
1576 * config/avr/avr-protos.h: Update.
1577 * config/c4x/c4x.c (c4x_asm_named_section): New.
1578 * config/h8300/h8300.c (h8300_asm_named_section): New.
1579 * config/i386/i386.c (sco_asm_named_section): New.
1580 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1581 (i386_pe_section_type_flags): New.
1582 (i386_pe_asm_named_section): New.
1583 * config/i386/i386-protos.h: Update.
1584 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1585 * config/mcore/mcore.c (mcore_asm_named_section): New.
1586 * config/mips/mips.c (iris6_asm_named_section): New.
1587 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1588 instead of UNIQUE_SECTION_P.
1589 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1590 (xcoff_asm_named_section): New.
1591 * config/sh/sh.c (sh_asm_named_section): New.
1592 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1594 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1595 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1596 (EH_FRAME_SECTION_NAME): New.
1597 (EXCEPTION_SECTION): New.
1598 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1599 (DEBUG_*_SECTION): Remove.
1600 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1601 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1602 (EH_FRAME_SECTION_ASM_OP): Remove.
1604 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1605 (ASM_OUTPUT_SECTION_NAME): Remove.
1606 (TARGET_ASM_NAMED_SECTION): New.
1607 (TARGET_HAVE_NAMED_SECTIONS): New.
1608 (TARGET_SECTION_TYPE_FLAGS): New.
1609 (EH_FRAME_SECTION_ASM_OP): Remove.
1610 (EH_FRAME_SECTION_NAME): New.
1612 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1614 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1615 for complex expressions when cfun == 0.
1616 * doc/extend.texi: Document that __builtin_constant_p can be
1617 used in data initializers as well as functions.
1619 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1621 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1622 variable I locally, instead of expecting a declaration in the
1625 2001-08-03 Richard Henderson <rth@redhat.com>
1627 * except.c (collect_one_action_chain): Add an explicit cleanup
1628 action if regions surrounding a catch were encoded entirely
1629 within the call-site entry.
1631 2001-08-03 Richard Henderson <rth@redhat.com>
1633 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1634 don't take REGNO of a non-register.
1636 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1638 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1639 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1640 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1641 (__gthread_mutex_init_function): New function for mutex initialization.
1643 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1645 * Makefile.in: Revert screwed up commit.
1647 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1649 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1650 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1651 merged by linker script to get a final _exit().
1652 (__do_global_dtors): New for destructor handling in specific exit
1654 (__do_global_ctors): New for constructors in specific install section.
1655 (__map_data_section): Map data sections before running constructors.
1656 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1657 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1658 (DTORS_SECTION_ASM_OP): Likewise.
1659 (CTORS_SECTION_FUNCTION): Define to force a reference to
1661 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1663 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1665 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1667 * Makefile.in: Add df.h to gcse.c dependencies.
1669 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1671 * varasm.c (output_constant_def_contents): Use for the length of a
1672 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1673 depending on which is larger.
1675 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1677 * gcse.c: Include df.h for use as a dataflow analyzer.
1679 Declaration of reg_set_info: gone.
1680 New df_analyzer variable used by store motion.
1681 (reg_set_info): Deleted.
1682 (mark_mem_regs): New function, analyze regs used by a mem.
1683 (store_ops_ok): Use dataflow analyzer results to determine if
1684 necessary regs are changed in the block.
1685 (find_moveable_store): Remove check for symbol ref, we can handle
1686 much more complex expressions now.
1687 (compute_store_table): Remove most of the code, it's unnecessary
1688 now that the dataflow analyzer records the info for us.
1689 (store_killed_after): Add parameter to say whether to do the
1690 store_ops_okay test, used to speed up testing when we already know
1691 the answer, and just want to know if the store itself was killed.
1692 (build_store_vector): Largely rewritten to calculate the various
1693 vectors properly, and somewhat optimized.
1694 (store_motion): Init the df_analyzer, get REG_DEF chains.
1695 Also handle trapping expressions (since mems almost always trap)
1696 (simple_mem): Redefine what a simple mem is.
1698 2001-08-03 DJ Delorie <dj@redhat.com>
1700 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1701 set from a constant part of the condition.
1703 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1705 * mkdeps.c (deps_add_default_target): Make local variable
1706 ``start'' a const char pointer.
1707 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1709 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1711 * doc/install.texi (Configuration): Fix markup.
1712 (Specific, i?86-*-udk): Likewise.
1713 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1715 Document --enable-threads and --enable-libgcj status.
1716 (Specific, mips-sgi-irix*): Canonicalize triples.
1717 (Specific, mips-sgi-irix5): Warn about problems with this config.
1718 Mention required GNU as patch.
1719 Native assembler problems are fixed.
1720 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1721 Document --enable-threads and --enable-libgcj status.
1723 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1725 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1728 2001-08-03 Richard Henderson <rth@redhat.com>
1730 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1733 2001-08-03 Richard Henderson <rth@redhat.com>
1735 * rtlanal.c (find_first_parameter_load): Stop if we
1736 reach a CODE_LABEL at BOUNDARY.
1738 2001-08-03 Richard Henderson <rth@redhat.com>
1740 * config/alpha/alpha.md (force_movdi): New insn.
1741 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1742 Tweek FRP marking of VMS prologue insns.
1743 * config/alpha/vms.h (EPILOGUE_USES): New.
1745 2001-08-02 Richard Henderson <rth@redhat.com>
1747 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1749 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1751 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1752 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1753 config/convex/convex.h, config/d30v/d30v.c,
1754 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1755 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1756 config/mips/mips.h, config/mn10200/mn10200.h,
1757 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1758 config/v850/v850.h, config/vax/openbsd.h,
1759 config/vax/openbsd1.h, config/vax/ultrix.h,
1760 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1761 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1762 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1763 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1764 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1765 in comments and documentation.
1767 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1771 * Makefile.in (line-map.o): New.
1772 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1773 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1774 * cpperror.c (print_containing_files): Similarly.
1775 (print_location): Update. Don't output a space before _Pragma.
1776 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1777 (stack_include_filee, cpp_make_system_header): Update.
1778 (_cpp_execute_include): Get logical line number right for calling
1779 as-yet-unterminated #include.
1780 * cpphash.h (struct cpp_reader): Add line_maps.
1781 (_cpp_do_file_change): Update.
1782 * cppinit.c (cpp_create_reader): Initialize line maps.
1783 (cpp_destroy): Destroy line maps.
1784 (cpp_start_read): Get logical line number right.
1785 * cpplex.c (parse_string): Only warn once for multi-line strings.
1786 Use boolean variable for null warning.
1787 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1789 (do_include_common): End the directive early.
1790 (do_line): Don't warn about out-of-range lines in preprocessed
1791 source. Update. Remove unused variables.
1792 (_cpp_do_file_change): Update for new line mapping.
1793 (pragma_cb): New typedef.
1794 (cpp_register_pragma): Stop looking ahead before calling the
1796 (do_pragma_system_header): End directive early.
1797 (cpp_get_line_maps): New.
1798 (cpp_pop_buffer): Fudge logical line. Update.
1799 * cpplib.h: Include line-map.h
1800 (enum cpp_fc_reason): Remove.
1801 (struct cpp_file_change): Update.
1802 (cpp_get_line_maps): New.
1803 * cppmain.c (struct_printer): New member map.
1804 (cb_file_change): Update for new mappings.
1805 * fix-header.c (cb_file_change): Similarly.
1807 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1809 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1810 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1812 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1814 * config/vax/vax.c: include expr.h.
1816 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1818 * Makefile.in ($(srcdir)/configure): Only rebuild in
1820 ($(srcdir)/config.in): Only define in maintainer mode.
1821 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1823 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1825 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1827 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1829 * gcc.c (set_collect_gcc_options): New function, split out from
1831 Ignore elided switches.
1832 (do_spec_1): Invoke before executing command.
1833 (set_input): Export.
1834 Move declaration ...
1835 * gcc.h (set_input): ... here.
1836 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1839 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1842 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1844 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1846 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1848 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1849 for the unnamed instructions it expands to.
1851 2001-08-02 Richard Henderson <rth@redhat.com>
1853 * regclass.c (call_really_used_regs): Conditionally define.
1854 (init_reg_sets_1): Don't use it if not defined.
1855 (fix_register): Similarly, don't set it.
1857 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1859 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1860 Correct comment that had been missed in the previous change.
1862 2001-08-01 Stan Shebs <shebs@apple.com>
1864 * config/darwin.c (machopic_stub_name): Try matching by name.
1865 (update_stubs): New function.
1866 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1869 2001-08-01 Richard Henderson <rth@redhat.com>
1871 * except.c (output_function_exception_table): Use assemble_align.
1872 * varasm.c (assemble_eh_label): Remove.
1873 (assemble_eh_align, assemble_eh_integer): Remove.
1875 2001-08-01 Robert Lipe <robertl@caldera.com>
1877 * dwarfout.c: Remove reference to README.DWARF.
1879 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1881 * regclass.c (call_really_used_regs): New array for registers which
1882 are actually used by a call.
1883 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1885 (fix_register): Set call_really_used too.
1886 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1887 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1889 2001-08-01 Richard Henderson <rth@redhat.com>
1891 * read-rtl.c (read_name): Consider \r whitespace.
1893 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1895 * config.gcc: Recognize powerpc-*-netbsd*.
1897 * doc/install.texi (Host/target specific installation notes for
1898 GCC): Mention powerpc-*-netbsd*.
1900 * config/rs6000/netbsd.h: New file.
1901 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1902 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1903 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1904 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1905 (TARGET_VERSION): Redefine.
1907 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1908 mcall-netbsd as a match for mcall-sysv.
1909 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1910 (ncrti.S, ncrtn.S): New targets.
1911 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1914 "netbsd' as a V4 ABI.
1915 (ASM_SPEC): Check for -mcall-netbsd.
1916 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1917 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1918 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1919 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1920 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1921 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1922 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1924 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1925 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1927 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1929 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1930 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1931 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1932 including "unwind-pe.h".
1934 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1936 * rs6000.md (define_splits): Kill unused constraints.
1938 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1939 Jan Hubicka <jh@suse.cz>
1941 * function.c (thread_prologue_and_epilogue_insns): Kill code
1942 dealing with non-existent CFG.
1944 2001-08-01 Kazu Hirata <kazu@hxi.com>
1946 * alias.c: Fix comment formatting.
1947 * bitmap.c: Likewise.
1948 * builtins.c: Likewise.
1949 * calls.c: Likewise.
1950 * c-common.c: Likewise.
1951 * c-decl.c: Likewise.
1952 * c-dump.c: Likewise.
1953 * c-lex.c: Likewise.
1954 * collect2.c: Likewise.
1955 * combine.c: Likewise.
1956 * conflict.c: Likewise.
1957 * cppfiles.c: Likewise.
1958 * cppinit.c: Likewise.
1959 * cpplex.c: Likewise.
1960 * cpplib.c: Likewise.
1961 * cppmacro.c: Likewise.
1962 * cppspec.c: Likewise.
1963 * c-pragma.c: Likewise.
1964 * crtstuff.c: Likewise.
1966 * cselib.c: Likewise.
1967 * c-semantics.c: Likewise.
1968 * c-typeck.c: Likewise.
1970 2001-08-01 H.J. Lu <hjl@gnu.org>
1972 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1974 2001-08-01 H.J. Lu <hjl@gnu.org>
1976 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1978 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1980 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1981 contextualizing Objective-C class name lookup by the lexer.
1982 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1984 (protocoldef): Add support for forward @protocol declarations.
1985 (yylexname): Suppress ObjC class name lookup in certain contexts;
1986 re-enable after lookup is complete.
1987 (_yylex): Re-enable ObjC class name lookup when certain
1988 punctuation marks are seen.
1990 * objc/objc-act.c (check_protocol_recursively): New function used
1991 for finding circular dependencies in protocols.
1992 (objc_declare_protocols): New function for handling forward
1993 @protocol declarations.
1994 (receiver_is_class_object): Detect the case when 'self' is used
1995 inside of a class method.
1996 (build_message_expr): Issue a warning if class method is desired
1997 but instance method is found instead.
1998 (conforms_to_protocol): Streamline.
1999 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
2000 protocol Foo, even if 'Bar foo' does not.
2001 (check_protocols): Streamline.
2002 (start_protocol): Add checks for circular and duplicate protocol
2004 (encode_aggregate_within): For typedefs of structs, encode the
2006 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
2007 (objc_declare_protocols): New prototype.
2009 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2011 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
2012 * cpplex.c (handle_newline): Update prototype. Maintain logical
2014 (skip_escaped_newlines, skip_block_comment, parse_string):
2016 (_cpp_lex_token): Update, and store token position within the token.
2017 * cpplib.h (struct cpp_token): Add line and column entries.
2018 * cppmacro.c (replace_args): Position stringified tokens correctly.
2020 2001-08-01 Andreas Jaeger <aj@suse.de>
2022 * basic-block.h: Add prototype for last_loop_beg_note.
2024 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
2026 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
2027 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
2029 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
2030 while handling WITH_CLEANUP_EXPR node. Use second operand calling
2031 expand_decl_cleanup.
2032 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
2034 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
2035 operand while calling simple_cst_equal.
2036 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
2037 operand is the cleanup expression, the third is the RTL_EXPR.
2038 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
2040 2001-07-31 Jeff Sturm <jsturm@one-point.com>
2042 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
2044 2001-07-31 matthew green <mrg@eterna.com.au>
2046 * config.gcc (i386-*-netbsdelf): New description.
2047 * config/i386/netbsd-elf.h: New file.
2049 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
2051 * loop.c (check_dbra_loop): Use single_set to compute
2054 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
2056 PowerPC reorg and support for powerpc64-*-linux*.
2058 Also fixes emitting of constants on 32 bit and 64 bit
2061 * config.gcc: powerpc64-*-linux* is a new target.
2062 Things that needed aix.h now also include xcoff.h
2064 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
2066 Move AIX specific stuff into aix.h.
2067 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
2068 with more than just XCOFF now.
2069 (SET_ASM_OP): Remove, now defined where needed.
2070 (FUNCTION_PROLOGUE): New macro definition.
2071 (FUNCTION_EPILOGUE): New macro definition.
2072 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
2074 * config/rs6000/xcoff.h: New file.
2076 * config/rs6000/linux64.h: New file.
2078 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
2080 2001-07-31 Alan Modra <amodra@bigpond.net.au>
2082 * rs6000.c (print_operand_address): Handle ELF syntax.
2083 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
2084 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
2085 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
2087 2001-07-31 David Edelsohn <edelsohn@gnu.org>
2089 * rs6000.c (rs6000_override_options): Only disable
2090 flag_function_sections for XCOFF.
2091 (exact_log2_cint_operand): New predicate.
2092 (reg_or_{add,sub}_cint64_operand): New predicates.
2093 (add_operand): Compare CONST_INT with fewer function calls.
2094 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
2095 (print_operand, case 'p'): Ensure positive operand.
2096 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
2097 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
2098 (PREDICATE_CODES): Add new predicates.
2099 * rs6000.md (addsi3): Split 32-bit constants more correctly.
2100 (divsi3, modsi3): Ensure positive power-of-2.
2101 (adddi3): Use new predicate. Split 32-bit constants more
2102 correctly. Re-arrange splitter to handle any constant.
2103 (subdi3): Use new predicate.
2104 (divdi3, moddi3): Ensure positive power-of-2.
2105 (movdi): Use rs6000_emit_set_const.
2106 (load_toc_v4_pic_di): Delete.
2108 2001-07-31 Graham Stott <grahams@redhat.com>
2110 * function.c (pad_below): Revert 2001-07-26 patch.
2112 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2114 * reg-stack (convert_regs_1): Fix best edge condition.
2116 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2118 * jump.c (duplicate_loop_exit_test): Better test for jumps
2119 entering the loop; create loop pre_header.
2121 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
2123 * doc/install.texi: Add s390 and s390x as new targets.
2124 * doc/invoke.texi: Add documantation of S/390 and zSeries
2126 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
2128 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2130 * config/m68k/m68k.md: Replace all general_operand with
2131 nonimmediate_operand for all destinations.
2132 * config/m68k/m68k.c (not_sp_operand): Likewise.
2134 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
2136 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
2138 2001-07-30 Richard Henderson <rth@redhat.com>
2140 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2141 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2143 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2145 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2146 Add missing doc strings
2147 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2148 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2150 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2152 * i386.c (ix86_output_main_function_alignment_hack): New function.
2153 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2155 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2156 edges by EDGE_DFS_BACK flag.
2157 (dump_edge_info): Add dfs_back flag.
2158 * basic-block.h (EDGE_DFS_BACK): New constant.
2159 (mark_dfs_back_edges): Declare.
2160 * alias.c (loop_p): Remove.
2161 (mark_constant_function): Use mark_dfs_back_edges.
2163 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2164 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2165 (compensate_edge): Break out from ...
2166 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2167 (convert_regs_2): Set block_done once block is really done;
2168 Do updating of the predecesors counts.
2170 * toplev.c (rest_of_compilation): Recompute block_for_insn
2171 before post-reload cfg_cleanup.
2172 * function.c (thread_prologue_epilogue_insns):
2173 Call set_block_for_new_insns when emitting prologue directly.
2175 2001-07-30 Andreas Jaeger <aj@suse.de>
2177 * jump.c: Add prototype for mark_modified_reg.
2179 * cse.c (set_live_p): Add unused attribute.
2181 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2183 (scan_for_source_files): Use long for count to avoid overflow.
2184 (output_data): Likewise.
2185 (output_data): Don't use string concatatenation to silence gcc
2188 * predict.c: Fix typos and grammar.
2190 * gcse.c (insert_insn_end_bb): Remove unused variables.
2192 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2194 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2195 (attempt_auto_inc): LIkewise.
2196 (mark_used_reg): Likewise.
2197 (try_pre_increment_1): Likewise.
2198 * regclass.c (regclass): Likewise.
2199 * global.c (allocno_compare): Update comment; change scaling factor.
2200 * local-alloc.c (QTY_CMP_PRI): Likewise.
2201 * regs.h (REG_FREQ_FROM_BB): New.
2202 (REG_FREQ_MAX): Likewise.
2204 2001-07-30 H.J. Lu <hjl@gnu.org>
2206 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2209 2001-07-30 H.J. Lu (hjl@gnu.org)
2211 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2212 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2213 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2215 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
2217 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2218 as -mthumb-interwork when -mcpu=arm7 is specified.
2220 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2222 * predict.def (noreturn, loop branch, loop exit): Mark as first
2225 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
2227 * combine.c (try_combine): Avoid barrier after noop jumps.
2229 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2231 * cpphash.h (struct cpp_reader): Remove import_warning.
2232 * cpplib.c (skip_rest_of_line): Don't bother turning off
2234 (parse_include): Move include handling to...
2235 (do_include_common): ... here. Move import warning from...
2236 (do_import): ... here.
2237 (do_pragma_poison): Don't do a callback for poison identifiers.
2238 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2239 * cppmain.c (setup_callbacks): Similarly.
2241 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2243 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2244 handle multiple sets.
2245 * except.c (sjlj_mark_call_sites): .... here.
2246 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2248 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2250 Suggested by Richard Henderson and Richard Kenner:
2251 * combine.c (recog_for_combine): Use the fake recog
2252 only if instruction does not match.
2253 * rtl.h (NOOP_MOVE_INSN_CODE): New.
2254 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2256 * combine.c (try_combine): Discover noop jump as direct jump.
2258 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
2260 * df.c (df_rd_global_compute): Add successors to worklist, not
2262 (df_ru_global_compute): Ditto.
2264 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2266 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2267 increment REG_N_SETS.
2269 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2271 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2273 * sbitmap.c (sbitmap_a_xor_b): New function.
2274 ifdef the basic block stuff on IN_GCC.
2276 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2278 * cppexp.c (parse_defined): Always record the macro name.
2279 (lex): Don't worry about identifiers, or special-case
2281 (_cpp_parse_expr): Figure out at the end of the routine
2282 whether we saw a valid !defined() expression.
2283 * cppfiles.c (stack_include_file): Update for mi_valid.
2284 (_cpp_pop_file_buffer): Similarly.
2285 * cpplex.c (_cpp_lex_token): Similarly.
2286 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2287 mi_if_not_defined, mi_lexed): Remove.
2289 * cpplib.c (do_if): Simplify.
2290 (do_endif, push_conditional, _cpp_handle_directive): Update
2291 for renaming of mi_state to mi_valid.
2293 * cpp.texi: Add index entries for digraphs, and add comment
2294 that C++ refers to them as alternative tokens.
2296 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2298 * basic-block.h (CLEANUP_PRE_LOOP): New.
2299 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2300 * sibcall.c (optimize_sibling_calls): Likewise.
2301 * toplev.c (rest_of_compilation): Likewise.
2302 * flow.c (try_forward_edges): Take argument MODE;
2303 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2304 (try_optimize_cfg): Update call of try_forward_edges.
2306 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2307 Jan Hubicka <jh@suse.cz>
2309 * (validate_replace_rtx_1): Fix simplification of MINUS.
2311 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2313 PR preprocessor/3669
2314 * cppinit.c (init_dependency_output): Turn off dump requests
2315 if sending dependencies to stdout.
2317 2001-07-28 Richard Henderson <rth@redhat.com>
2319 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2322 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2324 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2326 2001-07-28 Kazu Hirata <kazu@hxi.com>
2328 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2329 is VAR_DECL first to prevent an ICE.
2331 2001-07-28 Richard Henderson <rth@redhat.com>
2333 * varasm.c (immed_real_const_1): Don't elide special cases for
2335 (clear_const_double_mem): Clear const_tiny_rtx too.
2337 2001-07-28 Richard Henderson <rth@redhat.com>
2339 * dwarf2out.c (dw_val_class_offset): New.
2340 (struct dw_ranges_struct, dw_ranges_ref): New.
2341 (ranges_table, ranges_table_allocated): New.
2342 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2343 (add_AT_offset, add_ranges, output_ranges): New.
2344 (print_die, output_die): Handle dw_val_class_offset.
2345 (attr_checksum, size_of_die, value_format): Likewise.
2346 (gen_lexical_block_die): Handle non-contiguous blocks.
2347 (gen_block_die): Likewise.
2348 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2349 if needed. Dump the ranges table.
2350 * final.c (final_start_function): Remove unnecessary notes and
2351 rebuild the block tree before numbering the blocks.
2352 * function.c (reorder_blocks_0): Walk the existing block tree
2353 to unmark all blocks.
2354 (reorder_blocks_1): Create block fragments when duplicate block
2356 (reorder_fix_fragments): New.
2357 (reorder_blocks): Call it.
2358 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2360 2001-07-28 Richard Henderson <rth@redhat.com>
2362 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2364 2001-07-28 Richard Henderson <rth@redhat.com>
2366 * flow.c (add_to_mem_set_list): New function.
2367 (init_propagate_block_info): Use it.
2368 (mark_set_1): Likewise.
2369 (insn_dead_p): Canonicalize memory address for dead store
2370 comparison. Allow wider mode stores to kill narrower mode stores.
2371 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2372 (invalidate_mems_from_set): Don't handle MEMs.
2374 2001-07-28 Kazu Hirata <kazu@hxi.com>
2376 * config/h8300/h8300.h: Fix formatting.
2378 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2380 * basic-block.h (EDGE_FREQUENCY): New macro.
2381 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2383 * flow.c (find_sub_basic_blocks): Likewise.
2384 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2385 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2387 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2388 (HITRATE): New macro.
2389 (PRED_FLAG_FIRST_MATCH): New constant.
2390 (predictor_info): New field flgags.
2391 (combine_predictions_for_insn): Use DS theory to combine
2392 probabilities; set the edge probabilities when finished.
2393 (estimate_probability): Avoid duplicated matches
2394 of LOOP_BRANCH heuristics for nested loops; update comment.
2395 * predict.def: Add flags for each prediction, set probabilities
2396 according to B&L paper.
2397 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2399 * profile.c (compute_branch_probabilities): Cleanup way the edge
2400 probabilities are computed and REG_BR_PROB notes are dropped; if
2401 values does not match, emit error.
2402 (init_branch_prob): Do error instead of warning when profile driven
2403 feedback is missing or corrupt.
2405 2001-07-27 DJ Delorie <dj@redhat.com>
2407 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2408 against a constant, try to adjust the compare to have the desired
2409 constant in it so that min/max optimizations happen more often.
2411 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2413 * flow.c (last_loop_beg_note): New function.
2414 (redirect_edge_and_branch): Use it.
2415 (split_edge): Likewise.
2417 * alias.c (loop_p): Avoid uninitialized memory access.
2419 * flow.c (try_forward_edges): Avoid accessing freed memory.
2421 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2424 2001-07-26 Andrew Haley <aph@redhat.com>
2425 Joern Rennecke <amylaar@redhat.com>
2427 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2428 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2429 (SUBTARGET_CPP_SPEC): New.
2431 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2432 (SUBTARGET_CPP_PTR_SPEC): New.
2433 (CPP_DEFAULT_CPU_SPEC): New.
2434 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2435 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2436 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2437 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2438 (SUBTARGET_CPP_SPEC): Define as an empty string.
2440 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2442 * doc/install.texi (Configuration): Properly link the host
2443 specific instructions also when generating HTML.
2445 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2447 * flow.c (redirect_edge_and_branch_force): Test
2448 target->global_live_at_start.
2450 2001-07-26 Richard Henderson <rth@redhat.com>
2452 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2453 * rtl.h (avoid_constant_pool_reference): Declare it.
2454 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2455 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2457 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2459 * rtl.h (cleanup_barriers): Declare.
2460 * jump.c (cleanup_barriers): New function.
2461 * toplev.c (rest_of_compilation): Call cleanup_barriers
2462 before loop optimizer and after bb_reorder.
2464 * flow.c (back_edge_of_syntactic_loop_p): New.
2465 (split_edge): Use it.
2467 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2469 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2471 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2473 * cse.c (cse_process_notes): Replace any registers if the address
2476 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2478 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2479 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2480 (propagate_block): Update prototype.
2481 * flow.c (update_life_info): Simplify the CFG and
2482 recalculate the global regs which are alive when
2483 removing dead code during a global update.
2484 (propagate_block): Return non-zero if an INSN is
2487 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2489 * Makefile.in (LIBICONV): Define.
2491 2001-07-26 Catherine Moore <clm@redhat.com>
2493 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2494 of conditional to avoid tree checking errors.
2496 2001-07-26 Kazu Hirata <kazu@hxi.com>
2498 * regmove.c (regmove_optimize): Don't replace a reg with
2499 another reg of a different mode.
2501 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2503 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2504 limit length of dependancy flush list.
2505 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2506 * sched-int.h (struct deps): Add pending_flush_length field.
2507 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2508 has 1 element in it.
2509 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2510 (sched_analyze): After a jump, if the pending memory flush list is too
2511 large, flush the pending lists.
2512 (init_deps): Initialize pending_flush_length to 0.
2513 * doc/invoke.texi (max_pending_list_length): Document parameter.
2515 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2517 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2518 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2519 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2521 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2523 * cpphash.h (struct_lexer_state): Delete was_skipping.
2524 Move skipping here from struct cpp_reader.
2525 * cpplex.c (parse_identifier): Update.
2526 (_cpp_lex_token): Don't skip tokens in a directive.
2527 * cpplib.c (struct if_stack): Update.
2528 (start_directive, end_directive): Don't change skipping state.
2529 (_cpp_handle_directive): Update.
2530 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2531 (do_else, do_endif): Update; only check for excess tokens if not
2532 in a skipped conditional block.
2533 (push_conditional): Update for new struct if_stack.
2535 2001-07-26 Graham Stott <grahams@redhat.com>
2537 * function.c (locate_and_pad_parm): Also pad initial offset
2538 so that the total argument size also includes the padding.
2540 2001-07-26 Graham Stott <grahams@redhat.com>
2542 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2543 change XSTR to XTMPL.
2545 (process_one_cond_exec): Likewise
2547 2001-07-25 Richard Henderson <rth@redhat.com>
2549 * varasm.c (assemble_variable): Create DECL_RTL before setting
2552 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2554 * predict.c (estimate_probability): Avoid duplicated predictions.
2556 * loop.c (find_and_verify_loops): Grok multiple barriers.
2558 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2560 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2562 * dbxout.c: Consistently use putc instead of fputc.
2563 (print_wide_int): New function; call instead of direct fprintf.
2564 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2565 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2566 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2567 (print_int_cst_octal): Likewise.
2568 (print_octal): Show we wrote characters.
2569 (dbxout_type): Set have_used_extensions in more places.
2571 2001-07-25 Catherine Moore <clm@redhat.com>
2573 * config/v850/v850.c (v850_va_arg): Use addr
2574 instead of valist to build incr.
2576 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2578 * flow.c (delete_dead_jumptables): New function.
2579 (life_analyzis): Call it.
2580 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2583 2001-07-25 Richard Henderson <rth@redhat.com>
2585 * except.c (reachable_handlers): Handle a region being removed
2586 out from under a RESX.
2588 2001-07-25 Richard Henderson <rth@redhat.com>
2590 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2591 swap GE/GT if it is an fp comparison.
2593 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2595 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2598 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2600 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2601 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2604 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2606 (visit_expression): When attempting to simplify an expression,
2607 retrieve any modes for arguments before they are simplified
2610 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2611 Janis Johnson <janis@us.ibm.com>
2613 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2614 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2615 pointer parameters to match documented usage of nonlocal_goto.
2616 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2617 parameters to their correct order.
2618 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2619 parameters to their correct order.
2621 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2623 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2625 2001-07-25 Jan Hubicka <jh@suse.cz>
2626 Richard Henderson <rth@redhat.com>
2628 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2630 (make_edges): New argument update_p; populate the edge cache if set.
2631 (find_basic_blocks): Update make_edges invocation.
2633 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2635 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2637 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2639 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2640 -Acpu and -Amachine.h.
2641 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2642 Corrected header to say ELF not a.out.
2643 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2644 when given -msoft-float.
2646 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2648 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2649 extra multilib parts like arm-elf.
2650 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2651 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2652 crtfini.o as extra multilib parts.
2654 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2656 * configure.in: Add rtems as a supported thread model.
2657 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2658 * configure: Rebuilt.
2660 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2662 * stor-layout.c (get_mode_alignment): make it work when
2663 BITS_PER_UNIT is not a power of two.
2664 * builtins.c (get_pointer_alignment): Likewise.
2666 2001-07-24 Richard Henderson <rth@redhat.com>
2668 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2669 the retrieved constant into the expected mode.
2671 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2673 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2674 (verify_flow_info): Check for duplicated edges; clarify
2677 * flow.c (block_label): Update basic_block_for_insn.
2678 (commit_edge_insertions): Call compute_bb_for_insn.
2680 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2683 * flow.c (redirect_edge_and_branch,
2684 try_optimize_cfg): Use redirect_edge_succ_nodup
2685 (redirect_edge_succ_nodup): New.
2686 * basic_block.h (redirect_edge_succ_nodup): Declare.
2688 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2691 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2693 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2694 (try_crossjump_to_edge): Update commetns.
2695 (try_crossjump_bb): Likewise.
2697 2001-07-24 Richard Henderson <rth@redhat.com>
2699 * combine.c (distribute_notes): Move set of need_refresh
2700 for noop_move_p down to catch all cases.
2702 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2704 * recog.c (split_all_insns_noflow): New.
2705 * rtl.h (split_all_insns_noflow): Declare.
2706 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2707 * m68hc11.c (m68hc11_reorg): Likewise.
2708 * sh.c (machine_dependent_reorg): Likewise.
2709 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2712 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2714 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2715 (ashlsi3_n splitter): Likewise.
2716 (lshrsi3_n splitter): Likewise.
2718 (GOTaddr2picreg): Make const SImode.
2719 (sym_label2reg): Likewise.
2720 (symGOT2reg): Likewise.
2721 (symGOTOFF2reg) Likewise.
2723 (casesi_worker_0): Make unspec SImode.
2725 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2727 * config/sh/sh.c (barrier_align): Check that an operand really is
2728 an insn before extracting its INSN_CODE.
2730 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2732 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2735 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2736 for SImode to prevent overflow.
2738 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2740 * config/mips/irix6-libc-compat.c: New file.
2741 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2742 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2745 2001-07-24 lars brinkhoff <lars@nocrew.org>
2747 * rtl.texi (REG_POINTER): Document.
2748 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2749 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2751 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2753 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2755 2001-07-23 Richard Henderson <rth@redhat.com>
2757 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2759 2001-07-23 Kazu Hirata <kazu@hxi.com>
2761 * config/h8300/h8300-protos.h: Add a prototype for
2762 general_operand_dst_push.
2763 * config/h8300/h8300.c (general_operand_dst_push): New.
2764 * config/h8300/h8300.h (OK_FOR_T): New.
2765 (EXTRA_CONSTRAINT): Use it.
2766 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2767 the existing movqi pattern.
2768 (movhi_push): Likewise.
2770 * reload.c: Fix comment typos.
2772 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2774 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2776 2001-07-23 H.J. Lu (hjl@gnu.org)
2778 * doc/extend.texi: Update __builtin_return_address and
2779 __builtin_frame_address.
2781 2001-07-23 Richard Henderson <rth@redhat.com>
2783 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2785 * config/i386/i386.md: New setcc+movzbl peephole2.
2787 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2789 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2790 * objc/objc-act.c: Include debug.h.
2791 (synth_module_prologue): Save and restore debug hooks too.
2793 2001-07-23 lars brinkhoff <lars@nocrew.org>
2795 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2796 and C4X_FLOAT_FORMAT.
2797 (BOOL_TYPE_SIZE): Document.
2799 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2801 * unroll.c (loop_iterations): Fix miscalculation of initial
2804 2001-07-13 Andrew Haley <aph@redhat.com>
2806 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2807 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2808 * config/sh/sh.c (sh_can_redirect_branch): New function.
2809 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2810 * reorg.c (steal_delay_list_from_target): Use
2811 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2813 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2815 * flow.c (try_simplify_condjump): Unlink insn chain on
2816 fallthru edge; use can_fallthru.
2818 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2820 * basic-block.h (find_sub_basic_block): Declare.
2821 * flow.c (make_edges): New arguments MIN and MAX;
2822 (find_sub_basic_blocks): Revamp to use make_edges
2823 and purge_dead_edges.
2824 (find_basic_blocks): Update call of find_sub_basic_block.
2826 * recog.c (split_all_insns): Always expect CFG to be consistent;
2827 call find_sub_basic_blocks in case something has changed.
2828 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2831 * basic-block.h (delete_noop_moves): Declare.
2832 * combine.c (combine_instructions): Call it.
2833 (recog_for_combine): Tolerate noop moves
2834 (distribute_notes): Force refresh when register dies at noop move.
2835 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2837 (life_analysis): Update delete_noop_moves call.
2838 (set_noop_p): Move too ...
2839 * rtlanal.c (noop_move_p): ... here.
2840 * rtl.h (noop_move_p): Declare.
2842 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2843 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2845 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2846 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2848 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2850 * reload.c (push_reload): Fix typo in comment.
2851 (find_reloads_address): Ditto.
2852 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2854 2001-07-22 Richard Henderson <rth@redhat.com>
2856 * flow.c: Grammar check and clarify a lot of comments.
2857 (try_simplify_condjump): Rename variables to be clearer.
2858 (try_forward_edges): Skip complex and fallthru edges.
2859 Rearrange tests to avoid duplicate checks.
2860 (flow_find_cross_jump): Likewise.
2861 (outgoing_edges_match): Allow match if neither branch has
2862 probability data. Loosen probability match to 5%.
2863 (try_crossjump_to_edge): Hoist repeated indirection into
2865 (try_crossjump_bb): Don't check complex edges. Eliminate
2866 redundant crossjump tests.
2867 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2868 checks before more expensive checks.
2870 2001-07-22 Richard Henderson <rth@redhat.com>
2872 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2873 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2876 2001-07-22 Richard Henderson <rth@redhat.com>
2878 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2879 (const_sint32_operand): Likewise.
2880 * m68k.md (anon mulsi pattern): Use const_int_operand not
2881 const_sint32_operand.
2882 (umulsi3_highpart): Zero extend a constant input.
2883 (smulsi3_highpart): Don't bother checking SImode constant.
2884 (const_umulsi3_highpart): Give op3 DImode.
2885 (const_smulsi3_highpart): Likewise.
2887 2001-07-22 Richard Henderson <rth@redhat.com>
2889 * flow.c (split_block): Make sure bb_note is included in the
2890 new block when splitting before a label.
2892 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2894 * basic-block.h (redirect_edge_and_branch_force,
2895 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2896 * flow.c (redirect_edge_and_branch_force,
2897 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2898 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2899 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2900 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2901 instead of label; update CFG after transformation.
2902 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2903 for finishing the transformation; handle even case where ELSE
2904 does not follow THEN.
2905 (find_if_case_2): Update call of dead_or_predictable; simplify
2908 * emit-rtl.c (split_branch_probability): New global variable.
2909 (try_split): Take care to set split_branch_probability and
2910 create REG_BR_PROB note for new jump insns.
2911 * md.texi (define_split): Document new feature.
2913 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2915 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2917 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2918 (asm_out_file): Remove redundant declaration.
2919 (assemble_asm): Remove old #if 0 block.
2920 (assemble_variable): Remove end of function; debug output is
2921 now handled with global_decl. Remove old #if 0 block. Update.
2922 Remove saved_in_section and associated no-op code.
2923 * Makefile.in (varasm.o): Correct dependencies.
2925 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2927 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2928 the definition in defaults.h.
2930 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2932 * jump.c: Update comments.
2933 (delete_barrier_successors, delete_unreferenced_labels,
2934 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2935 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2936 jump_optimize, jump_optimize_minimal): Kill.
2937 (rebuild_jump_labels): Move code from jump_optimize_1.
2938 (purge_line_number_notes): Likewise.
2939 (copy_loop_headers): Likewise.
2940 * reg-stack.c: Update comment.
2942 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2943 JUMP_AFTER_REGSCAN): Kill.
2944 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2945 purge_line_number_notes and copy_loop_headers.
2947 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2948 Richard Henderson <rth@redhat.com>
2950 * dbxout.c (dbxout_global_decl): New.
2951 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2952 * sdbout.c (sdbout_finish): New.
2953 (sdbout_debug_hooks): Use it, add comments.
2954 (sdbout_global_decl): Defer initialised public vars to
2956 * varasm.c (assemble_variable): Don't output debug information
2957 for file-scope variables.
2959 2001-07-22 Richard Henderson <rth@redhat.com>
2961 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2962 (get_round_mode_suffix): New.
2963 (print_operand): Use them for [/]. Remove support for [&'`()+].
2964 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2965 * config/alpha/alpha.md (attr round_suffix): New.
2966 (attr trap_suffix): New.
2967 (all insns): Set them appropriately. Use %/ instead of the
2970 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2972 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2974 2001-07-22 Richard Henderson <rth@redhat.com>
2976 * regrename.c (regrename_optimize): Compute nregs for each
2977 potential target register.
2979 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2980 Richard Henderson <rth@redhat.com>
2982 * dbxout.c (dbxout_global_decl): New.
2983 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2984 * sdbout.c (sdbout_finish): New.
2985 (sdbout_debug_hooks): Use it, add comments.
2986 (sdbout_global_decl): Defer initialised public vars to
2988 * varasm.c (assemble_variable): Don't output debug information
2989 for file-scope variables.
2991 2001-07-21 H.J. Lu (hjl@gnu.org)
2993 * config/mips/mips.c (mips_cpu): Moved into ...
2994 (override_options): Here.
2996 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2998 (mips_cpu): Removed.
3000 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3002 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
3003 ("iorqi3"): Likewise.
3004 ("xorqi3"): Likewise.
3005 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
3006 ("*subhi3_sp): Likewise.
3007 ("*subhi3"): Likewise.
3008 ("extendhisi2"): Accept D, X and Y as source operand to avoid
3011 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
3013 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
3014 * config/freebsd.h: Likewise.
3015 * config/linux.h: Likewise.
3016 * config/openbsd.h: Likewise.
3017 * config/alpha/linux-elf.h: Likewise.
3018 * config/arm/linux-elf.h: Likewise.
3019 * config/d30v/d30v.h: Likewise.
3020 * config/fr30/fr30.h: Likewise.
3021 * config/ia64/aix.h: Likewise.
3022 * config/ia64/ia64.h: Likewise.
3023 * config/mips/linux.h: Likewise.
3024 * config/pj/pj.h: Likewise.
3025 * config/rs6000/linux.h: Likewise.
3026 * config/sparc/linux.h: Likewise.
3027 * config/sparc/linux64.h: Likewise.
3029 2001-07-20 Bruce Korb <bkorb@gnu.org>
3031 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
3032 because getc() and char* may disagree on signedness.
3034 2001-07-20 Richard Henderson <rth@redhat.com>
3036 * doc/rtl.texi (REG_DEAD): Update for current semantics.
3038 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
3039 insns to delete in the presence of cc0 in a jump insn.
3041 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3042 Jan Hubicka <jh@suse.cz>
3044 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
3045 of doing the change by hand.
3047 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3049 * rtlanal.c (set_noop_p): Return true for noop jumps.
3051 * expr.c (emit_single_push_insn): Add call to push expander.
3052 * expr.h (optab_index): Add OTI_push
3053 (push_optab): New constant.
3054 * genopinit.c (optabs): Add push_optab.
3055 * optabs.c (init_optab): Init push optab.
3056 * md.texi (push??1): Document
3058 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3060 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
3061 expand to emit the pattern; put a REG_INC note for push/pop
3063 ("movdf", "movdf_internal"): Likewise.
3064 ("movsi", "movsi_internal"): Likewise.
3065 ("movsf", "movsf_internal"): Likewise.
3066 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
3068 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3070 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
3073 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
3075 * params.def: Change default max inline insns to 100.
3077 2001-07-20 Diego Novillo <dnovillo@redhat.com>
3079 * combine.c (combine_simplify_rtx): Generate a new shift operation
3080 when simplifying the first operand of a (neg (ashift)) expression.
3082 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3084 * regclass.c (N_REG_INTS): Use only 32 bits per element.
3086 2001-07-20 Kelley Cook <kelley.cook@home.com>
3088 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
3089 information. Move rest into ...
3090 (*-*-solaris): ... here. Eliminate redundant information and
3091 reword necessary packages section. Delete 4.x assembler bug info.
3092 (sparc-sun-*): Merge into ...
3093 (sparc-sun-sunos*): here.
3095 2001-07-20 Catherine Moore <clm@redhat.com>
3097 * config/v850/v850.md (casesi): Generate LABEL_REF
3100 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3102 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
3103 * i386.c (ix86_zero_extend_to_Pmode): Make global.
3104 * i386.md (strclrsi expander): Use it.
3106 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3108 * integrate.c (copy_insn_list): handle
3109 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
3110 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
3111 identically as to CODE_LABEL.
3113 * fold-const (fold): Convert A/B/C to A/(B*C) and
3116 * except.c (connect_post_landing_pads): Delete the RESX insns.
3118 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
3120 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
3122 * config/mips/mips.md (nmadd/nmsub): Use macro.
3124 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
3126 * cppinit.c (remove_dup_dir): Make static.
3127 (remove_dup_dirs): Make static. Only warn about preempting a
3128 system directory with a non-system directory.
3130 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3132 * ifcvt.c (noce_try_store_flag_constants): Correct order
3133 of parameters to trunc_int_for_mode.
3135 2001-07-19 Mark Mitchell <mark@codesourcery.com>
3137 * reorg.c (fill_simple_delay_slots): If an instruction might throw
3138 an exception that will be caught within this function, do not fill
3139 its delay slot with any subsequent instruction.
3141 2001-07-19 Steve Ellcey <sje@cup.hp.com>
3143 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3144 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3145 pointer extension instruction.
3146 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3147 * simplify-rtx.c (simplify_unary_operation) Likewise.
3148 * explow.c (convert_memory_address) Check value of
3149 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3151 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3152 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3153 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3154 Add Multilib Support.
3155 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
3156 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3157 Add Multilib Support.
3158 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3160 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3161 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3162 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3164 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
3166 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3167 old and new operands in `<', `3' and `b'.
3169 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3171 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3172 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3173 (toplev.o): Don't depend on xcoffout.h.
3174 * c-decl.c: Include debug.h
3175 (duplicate_decls): Use debug hook.
3176 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3177 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3178 (dbxout_types): Remove.
3179 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3180 * debug.c (do_nothing_debug_hooks): Update.
3181 (debug_true_tree, debug_nothing_rtx): New.
3182 * debug.h (struct rtx_def): New.
3183 (struct gcc_debug_hooks): New hooks ignore_block,
3184 outlining_inline_function and label.
3185 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3186 dwarf2out_frame_finish): New.
3187 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3188 Make static, update prototype.
3189 (dwarf2_debug_hooks): Update.
3190 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3191 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3192 * dwarfout.c (dwarf_debug_hooks): Update.
3193 * emit-rtl.c: Include debug.h.
3194 (remove_unnecessary_notes): Use debug hook.
3195 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3196 (final_scan_insn): Use debug hook.
3197 * integrate.c (output_inline_function): Use debug hook.
3198 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3199 (sdb_debug_hooks): Update.
3200 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3201 * toplev.c: Don't include xcoffout.h.
3202 (note_outlining_of_inline_function, debug_ignore_block): Remove.
3203 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3205 * tree.h (dwarf2out_do_frame): Remove.
3207 2001-07-19 Catherine Moore <clm@cygnus.com>
3209 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3211 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3213 * reload1.c (eliminate_regs_in_insn): When updating a set
3214 to the frame pointer to the hardware frame pointer, perform
3215 the update always not just when REPLACE is set.
3217 * reload1.c (choose_reload_regs): Don't inherit a reload
3218 that crosses multiple registers if registers past the first
3219 don't fit in the desired class.
3221 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3222 when negating constants.
3224 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
3226 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3227 * doc/tree.texi: Ditto.
3229 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
3230 Jakub Jelinek <jakub@redhat.com>
3232 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3233 (extract_cie_info): Handle "eh" augmentation properly,
3235 (struct frame_state, __frame_state_for): New.
3237 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3239 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3240 HANDLE_SYSV_PRAGMA): Define.
3241 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3243 (copy_object): Caller changed.
3245 2001-07-19 Andreas Schwab <schwab@suse.de>
3247 * configure.in (assembler dwarf2 debug_line support): Define nop
3249 * configure: Regenerated.
3251 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3253 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3255 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3256 to conditionally compiled block.
3257 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3258 * dbxout.h (dbxout_function): Remove.
3259 * debug.c (do_nothing_debug_hooks): Update.
3260 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3261 global_decl, deferred_inline_function.
3262 * dwarf2out.c (dwarf2_debug_hooks): Update.
3263 (dwarf2out_global_decl): New.
3264 * dwarfout.c: Don't include dwarfout.h.
3265 (dwarfout_global_decl, dwarfout_function_decl,
3266 dwarfout_deferred_inline_function): New.
3267 (dwarf_debug_hooks): Update.
3268 * dwarfout.h: Remove.
3269 * final.c: Don't include dwarfout.h.
3270 * sdbout.c (sdbout_global_decl): New.
3271 (sdbout_debug_hooks): Update.
3272 * toplev.c: Don't include dwarfout.h.
3273 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3274 (note_deferral_of_defined_inline_function): Remove.
3275 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3276 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3277 * ch/lex.c: Don't include dwarfout.h.
3278 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3279 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3280 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3281 * cp/optimize.c: Include debug.h.
3282 (maybe_clone_body): Use debug hook.
3283 * cp/semantics.c: Include debug.h.
3284 (expand_body): Use debug hook.
3285 * po/POTFILES.in: Remove dwarfout.h.
3287 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3289 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3290 * c-parse.in (yyerror, _yylex): Similarly.
3291 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3292 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3294 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3295 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3297 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3299 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3300 in-class declaration at -g1. Fixes c++/2814.
3302 2001-07-18 Richard Henderson <rth@redhat.com>
3304 * doc/md.texi (reload_in/out): Document restrictions in predicates
3305 and constraints for these patterns. Document empty string matching
3308 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3310 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3312 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3314 * cse.c: Undo my previous patch.
3316 2001-07-18 Tom Tromey <tromey@redhat.com>
3319 * configure: Rebuilt.
3320 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3322 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3324 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3325 Jan Hubicka <jh@suse.cz>
3327 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3328 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3329 * jump.c (mark_jump_label): Do not forward branches.
3331 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3333 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3334 when return value is unused.
3336 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3338 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3340 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3342 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3343 on error. We can't blindly return the result of
3344 pthread_mutex_trylock because it returns a positive number on
3345 error, while we must return -1 on error.
3346 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3348 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3350 2001-07-18 Andreas Jaeger <aj@suse.de>
3352 * integrate.c (output_inline_function): Correct type of debug_hooks.
3354 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3356 * combine.c (combine_simplify_rtx): DIV can be treated
3357 associatively for floats if unsafe math optimisations are enabled.
3359 2001-07-17 Richard Henderson <rth@redhat.com>
3361 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3363 2001-07-17 Richard Henderson <rth@redhat.com>
3365 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3366 don't force the function address into a register.
3367 (expand_call, emit_library_call_value_1): Update callers.
3368 * builtins.c (expand_builtin_apply): Likewise.
3369 * expr.h (prepare_call_address): Update decl.
3371 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3373 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3375 * config/i386/chorus.h: Move up.
3376 * config/sparc/chorus.h: Likewise.
3377 * config/rs6000/chorus.h: Likewise.
3378 * config/chorus.h: Moved here.
3380 2001-07-17 Andreas Schwab <schwab@suse.de>
3382 * configure.in (assembler eh_frame optimization): Handle big
3384 * configure: Regenerated.
3386 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3388 * expr.c (epxand_expr): Convert divisions into multiplications by
3389 reciprocals if -ffast-math.
3391 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3393 * dbxout.c (dbxout_really_begin_function): Rename to
3394 dbxout_begin_function.
3395 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3396 (dbxout_begin_function): Remove.
3397 (dbxout_function): Update.
3398 (dbxout_source_line): Update prototype.
3399 * dbxout.h (dbxout_begin_function): Remove.
3400 * debug.c (do_nothing_debug_hooks): Update.
3401 (debug_nothing_tree): Update.
3402 (debug_nothing_charstar_rtx): Remove.
3403 * debug.h (union tree_node): Declare.
3404 (struct rtx_def): Remove.
3405 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3406 begin_function. Change source_line prototype.
3407 (debug_nothing_tree): New.
3408 (debug_nothing_charstar_rtx): Delete.
3409 (dwarf2out_begin_prologue): Moved from ...
3411 * dwarf2out.c (dwarf2_debug_hooks): Update.
3412 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3413 debug info, call dwarf2out_source_line.
3414 (dwarf2out_souce_line): Update prototype.
3415 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3416 Change prototype, make static.
3417 (dwarfout_source_line): Update prototype.
3418 (dwarf_debug_hooks): Update.
3419 * dwarfout.h (dwarfout_begin_function): Remove.
3420 * final.c (final_start_function, final_scan_insn): Use appropriate
3421 debug hooks, update to use notice_source_line.
3422 (output_source_line): Rename notice_source_line. Don't call the
3423 source_line debug hook.
3424 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3425 make static, update prototype.
3426 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3428 (sdbout_end_prologue): New.
3429 (sdbout_source_line): Update prototype.
3430 (sdbout_debug_hooks): Update.
3431 (sdbout_symbol): Remove unused var.
3432 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3434 * varasm.c: Include debug.h.
3435 (assemble_start_function): Use begin_function debug_hook.
3436 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3437 update with prototype.
3438 (xcoffout_source_line): Update prototype.
3439 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3441 (xcoffout_source_line): Update prototype.
3443 2001-07-17 Richard Henderson <rth@redhat.com>
3445 * c-typeck.c (build_binary_op): Do not shorten unsigned
3446 right shift after sign extension.
3448 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3450 * combine.c (combine_simplify_rtx): Attempt to simplify
3451 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3453 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3454 (simplify_binary_operation, simplify_unary_operation,
3455 simplify_relational_operation): Use it.
3457 * combine.c (combine_simplify_rtx): Don't do associative law
3458 on divisions; allow associative law on floats.
3460 2001-07-17 H.J. Lu <hjl@gnu.org>
3461 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3463 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3464 ASM_OUTPUT_WEAK_ALIAS are defined.
3465 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3466 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3468 * config/mips/iris5.h: ... here.
3469 (HANDLE_SYSV_PRAGMA): Defined as 1.
3470 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3471 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3474 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3476 * c-parse.in (all_prefix_attributes): New variable.
3477 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3478 (maybe_resetattrs): New production.
3479 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3480 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3481 notype_initdcl, nested_function, notype_nested_function,
3482 component_decl, components, components_notype,
3483 component_declarator, component_notype_declarator,
3484 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3485 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3486 after a comma being applied to more than one declarator.
3487 * doc/extend.texi (Attribute Syntax): Update. Remove
3488 documentation of bugs that are no longer present.
3490 2001-07-13 Eric Christopher <echristo@redhat.com>
3492 * config/mips/mips.h: Change TUNE_MIPS* options to use
3494 (EXTRA_SPECS): Add cc1_cpu_spec.
3495 * config/mips/mips.md (muldf3): Fix typo.
3497 2001-07-16 Richard Henderson <rth@redhat.com>
3499 * config/m68k/m68k.c: Include expr.h and reload.h.
3500 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3501 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3503 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3504 Richard Henderson <rth@redhat.com>
3506 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3507 (insn_live_p): Fix fall off end of function.
3508 (dead_libcall_p): Remove COUNTS argument; update callers.
3509 (delete_trivially_dead_insns): Remove unused variables.
3511 2001-07-17 Andreas Jaeger <aj@suse.de>
3513 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3516 * lcm.c (optimize_mode_switching): Avoid warning for unused
3517 variable if !NORMAL_MODE.
3519 * flow.c (try_crossjump_to_edge): Remove unused variable.
3521 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3523 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3524 atexit declaration in stdlib.h.
3526 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3528 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3530 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3532 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3533 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3534 do rebuild_jump_labels instead of jump_optimize
3535 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3536 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3537 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3539 * flow.c: Include timevar.h
3540 (find_basic_block): Push/pop timevar;
3541 (cleanup_cfg): Likewise.
3542 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3543 * Makefile: Add dependencies on timevar.h
3545 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3546 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3548 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3549 * toplev.c (rest_of_compilation): Update calls.
3550 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3551 (delete_trivially_dead_insns): ... here; accept new argument
3552 preserve_basic_blocks; preserve basic blocks if set.
3554 * reg-stack.c (stack_regs_mentioned): Return 0 if
3555 stack_regs_mentioned_data is not initialized.
3556 (reg_to_stack): Make stack_regs_mentioned survive after the
3557 reg-stack is completted; do not call cleanup_cfg.
3558 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3559 make cleanup_cfg after bb-reorder to output to debug file.
3561 2001-07-16 Richard Henderson <rth@redhat.com>
3563 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3564 from int_reg_class_contents.
3566 2001-07-16 Richard Henderson <rth@redhat.com>
3568 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3569 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3570 (init_reg_sets_1): Move initialization from cse_main.
3571 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3572 (cse_main): Move its initialization also.
3573 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3574 * flow.c (propagate_one_insn): Likewise.
3575 * gcse.c (compute_hash_table): Likewise.
3576 (compute_kill_rd, compute_store_table): Likewise.
3577 * sched-deps.c (sched_analyze_1): Likewise.
3579 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3581 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3584 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3586 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3587 in if statement so we don't access undefined memory.
3589 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3591 * gcse.c: Update comment at top.
3592 Update comment on mem handling.
3593 mem_last_set, mem_first_set, mem_set_in_block: gone.
3594 Declaration of reg_set_info: gone.
3595 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3596 pointless with load_killed_in_block_p (they are *more*
3597 conservative then it, not less, and less accurate).
3598 (oprs_not_set_p): Ditto.
3599 (alloc_gcse_mem): Don't allocate mem_set_in_block
3600 (free_gcse_mem): Don't free it, either.
3601 (record_last_mem_set_info): Update comment in front, remove
3602 mem_*set_* stuff. Note the reason we don't handle stores directly
3604 (compute_hash_table): Update comments to reflect reality. Remove
3605 mem_*set_* references.
3606 (reset_opr_set_tables): Remove mem_*set_* references.
3608 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3609 (mark_clobber): Ditto (on both parts, we double set here too).
3610 (expr_killed_p): Remove mem_set_in_block test.
3611 (compute_transp): Remove mem_set_in_block test.
3613 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3614 of edge, and removal of phi alternative to dump file.
3615 (ssa_ccp_substitute_constants): Add note about register now being
3616 constant, and which uses were replaced in what insns to dump file.
3618 2001-07-16 Andreas Jaeger <aj@suse.de>
3620 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3621 variables of type HOST_WIDEST_INT.
3623 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3624 (__bb_exit_func): Correct type of count_max to avoid overflow.
3625 (num_digits): Handle long long argument.
3627 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3629 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3631 * output.h (sdb_begin_function_line): Restore as an extern
3633 * sdbout.c (sdb_begin_function_line): Make extern.
3635 2001-07-15 Richard Henderson <rth@redhat.com>
3637 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3638 * genrecog.c (maybe_both_true_mode): New.
3639 (maybe_both_true_2): Use it.
3640 (write_switch): Don't put Pmode in a switch.
3641 * rtl.c (mode arrays): Don't explicitly size them.
3643 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3645 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3646 handling; move unconditional splitting before mode switching.
3648 * i386.md (type): Add fistp type.
3649 (i387, length_attr, scheduling definitions): Handle this type.
3650 (fix_trunc?f?i2): Revamp to use mode switching.
3651 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3652 * i386.h (fp_cw_mode): New enum
3653 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3654 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3656 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3658 * Makefile.in (integrate.o): Add debug.h.
3659 * integrate.c (debug.h): Add.
3660 (output_inline_function): Save, reset, and restore debug_hooks.
3662 2001-07-15 Richard Henderson <rth@redhat.com>
3664 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3665 instead of COMPARE for the EQUIV expression.
3667 2001-07-15 Richard Henderson <rth@redhat.com>
3669 * flow.c (redirect_edge_and_branch_force): Initialize
3670 global_live_at_start and global_live_at_end.
3671 (allocate_bb_life_data): Export.
3672 * basic-block.h (allocate_bb_life_data): Declare.
3673 * toplev.c (rest_of_compilation): Call it.
3675 2001-07-15 Richard Henderson <rth@redhat.com>
3677 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3678 (alpha_tablejump_best_label): New.
3679 * config/alpha/alpha-protos.h: Declare them.
3680 * config/alpha/alpha.md: Use braced strings for code blocks.
3681 (tablejump_osf): Break out add with r29.
3682 (tablejump_osf_internal): Remove.
3683 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3684 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3686 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3688 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3691 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3693 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3694 (ix86_fp_jump_nontrivial_p): New.
3695 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3696 use ix86_fp_jump_nontrivial_p.
3697 * i386.c (ix86_fp_jump_nontrivial_p): New.
3698 (ix86_split_fp_branch): Accept code instead of rtx.
3699 (ix86_expand_compare): Expand comparison early in case
3700 doing so is resonably cheap.
3702 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3704 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3706 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3707 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3709 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3711 * dbxout.c (dbxout_source_line): Make static, update prototype.
3712 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3713 (dbxout_init, dbxout_finish, dbxout_source_line,
3714 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3715 * dbxout.h (dbxout_source_line): Delete.
3716 * debug.c (debug_nothing_file, debug_nothing_file_int,
3717 debug_nothing_file_charstar_rtx): New.
3718 (do_nothing_debug_hooks): Update.
3719 (debug_nothing_void, debug_nothing_charstar_rtx,
3720 dwarf2out_end_epilogue): New.
3721 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3722 * debug.h (struct rtx_def): Declare.
3723 (gcc_debug_hooks): New hooks source_line, end_epilogue
3725 (debug_nothing_void, debug_nothing_charstar_rtx,
3726 dwarf2out_end_epilogue): New.
3727 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3728 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3729 (dwarf2_debug_hooks): Update.
3730 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3731 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3732 * dwarf2out.h (dwarf2out_source_line): Remove.
3733 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3734 Make static, update prototype.
3735 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3736 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3737 (dwarf_debug_hooks): Update.
3738 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3739 dwarfout_end_function): Remove.
3740 * final.c (profile_function): Use debug hooks for ending functions
3742 (output_source_line, final_end_function): Update prototype,
3744 (final_start_function, final_scan_insn): Update.
3745 * output.h (sdb_begin_function_line): Remove.
3746 (final_end_function): Update prototype.
3747 * sdbout.c (sdb_begin_function_line): Make static.
3748 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3749 (sdbout_source_line): New.
3750 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3752 (sdb_debug_hooks): Update.
3753 (sdbout_init, sdbout_source_line,
3754 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3755 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3756 * toplev.c (compile_file, rest_of_compilation): Update.
3757 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3758 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3759 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3760 Update for prototype changes.
3761 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3762 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3764 2001-07-15 Richard Henderson <rth@redhat.com>
3766 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3767 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3768 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3769 * config/alpha/alpha.c: Likewise.
3770 * config/alpha/alpha.md: Likewise.
3771 * config/alpha/alpha32.h: Likewise.
3772 * config/alpha/vms.h: Likewise.
3775 2001-07-14 Richard Henderson <rth@redhat.com>
3777 * config/alpha/alpha.md: Use define_constants for unspec values.
3778 Substitute throughout.
3780 2001-07-14 Tim Josling <tej@melbpc.org.au>
3782 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3784 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3786 * pa.md: Remove unused constraints from define_split's.
3788 2001-04-14 Richard Henderson <rth@redhat.com>
3790 * ifcvt.c (find_cond_trap): Test for exit block.
3792 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3794 Re-install recently reverted patch.
3795 * emit-rtl.c (try_split): Update mark_jump_label call.
3796 * flow.c (find_sub_basic_blocks): Likewise.
3797 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3799 (mark_all_labels): Kill second parameter.
3800 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3801 (rebuild_jump_labels, jump_optimize_minimal): Update call
3803 (jump_optimize_1): Kill crossjumping code.
3804 (mark_jump_label): Kill cross_jump parameter.
3805 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3806 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3807 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3809 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3811 (dump_file_info): Likewise.
3812 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3813 reorganize passes to do reg-stack first, bb-reorder second.
3814 * invoke.texi (-d letters doc): Remove the jump2 pass.
3816 2001-07-14 Richard Henderson <rth@redhat.com>
3818 * ifcvt.c (find_cond_trap): New.
3819 (find_if_header): Call it.
3820 (merge_if_block): Relax existing jump sanity check.
3821 * jump.c (jump_optimize_1): Remove conditional trap handling.
3823 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3825 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3827 (insn_refs_are_delayed): Correct comment.
3828 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3829 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3830 instead of r31. Make associated insn !TARGET_64BIT, and
3831 provide an additional 64-bit insn that clobbers r2.
3833 (udivsi3): Likewise.
3835 (umodsi3): Likewise.
3837 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3839 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3841 * flow.c (redirect_edge_and_branch_force, split_edge,
3842 try_crossjump_to_edge): Use set_block_for_new_insns.
3843 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3845 2001-07-13 H.J. Lu (hjl@gnu.org)
3847 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3850 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3852 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3854 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3856 * c-common.c (decl_attributes): Take a pointer to the node to
3857 which attributes are to be attached, and a flags argument.
3858 * c-common.h (enum attribute_flags): New.
3859 (decl_attributes): Update prototype.
3860 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3861 finish_enum, start_function): Update calls to decl_attributes.
3862 * c-parse.in (component_declarator, component_notype_declarator,
3863 label): Update calls to decl_attributes.
3865 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3867 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3868 * config/avr/avr.c (legitimate_address_p): Return value changed
3869 from letter to register classes. For better debugging.
3871 2001-07-13 Kazu Hirata <kazu@hxi.com>
3873 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3875 2001-07-13 H.J. Lu (hjl@gnu.org)
3877 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3879 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3881 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3882 correctly for shared configurations.
3883 * config/t-libgcc-pic: New.
3884 * config/{i386,m68k,sparc}/t-openbsd: New.
3885 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3886 Support -shared. Support debugging libraries with -g.
3887 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3888 frame information does not emit pointer diffs.
3889 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3892 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3894 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3896 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3898 * combine.c (try_combine): Ensure const_int pow2 is positive.
3900 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3902 * config.gcc: Add configuration for s/390.
3903 * config/s390/s390.c: New. Subroutines for code generation.
3904 * config/s390/s390.h: New. Definitions for s/390.
3905 * config/s390/s390-protos.h: New. Prototypes.
3906 * config/s390/linux.h: New. Definitions for linux for s/390.
3907 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3908 * config/s390/t-linux: New. Makefile fragment.
3909 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3910 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3912 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3914 * emit-rtl.c (try_split): Update mark_jump_label call.
3915 * flow.c (find_sub_basic_blocks): Likewise.
3916 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3918 (mark_all_labels): Kill second parameter.
3919 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3920 (rebuild_jump_labels, jump_optimize_minimal): Update call
3922 (jump_optimize_1): Kill crossjumping code.
3923 (mark_jump_label): Kill cross_jump parameter.
3924 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3925 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3926 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3928 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3930 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3931 reorganize passes to do reg-stack first, bb-reorder second.
3932 * invoke.texi (-d letters doc): Remove the jump2 pass.
3934 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3936 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3938 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3940 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3942 (verify_flow_info): Make diagnostics prettier.
3944 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3946 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3948 * flow.c (outgoing_edges_match): Return early if condition reversal
3951 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3953 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3954 (mips_move_2words): When splitting a move into two instructions,
3955 prefix the second address operand with '%D'.
3957 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3959 * Makefile.in (final.o): Depend on debug.h.
3960 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3961 (dbx_debug_hooks): Add new hooks.
3962 (xcoff_debug_hooks): New.
3963 * debug.c (debug_nothing_file_int_int): New.
3964 (do_nothing_debug_hooks): Update.
3965 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3966 (debug_nothing_file_int_int): New.
3967 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3968 static, update prototype.
3969 (dwarf2_debug_hooks): Update.
3970 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3971 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3972 static, update prototype.
3973 (dwarf_debug_hooks): Update.
3974 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3975 * final.c: Include debug.h.
3976 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3977 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3978 static, update prototype.
3979 (sdb_debug_hooks): Update.
3980 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3981 * toplev.c: Distinguish between xcoff and dbx.
3983 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3984 Call all debug hooks, not just dwarf ones.
3986 2001-07-11 Timothy Wall <twall@redhat.com>
3988 * config.gcc: Add configuration for AIX5/IA64.
3989 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3990 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3991 support prefix/suffix code.
3992 * config/ia64/t-aix: New. Makefile fragment.
3993 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3995 2001-07-11 Kazu Hirata <kazu@hxi.com>
3997 * recog.c (validate_change): Fix a comment typo.
3999 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
4002 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
4004 * dbxout.c (dbx_debug_hooks): Add new hooks.
4005 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
4007 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
4009 * dbxout.h (dbxout_start_new_source_file,
4010 dbxout_resume_previous_source_file): Delete.
4011 * debug.c (do_nothing_debug_hooks): Add new hooks.
4012 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4013 (debug_nothing_int_charstar, debug_nothing_int): New.
4014 * debug.h (gcc_debug_hooks): New hooks define, undef,
4015 start_source_file and end_source_file.
4016 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4017 (debug_nothing_int_charstar, debug_nothing_int): New.
4018 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
4019 the conditionally compiled section.
4020 (dwarf2out_start_source_file, dwarf2out_end_source_file,
4021 dwarf2out_define, dwarf2out_undef): Make static.
4022 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
4023 dwarf2out_define, dwarf2out_undef): Remove.
4024 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
4025 (dwarfout_start_source_file, dwarfout_end_source_file,
4026 dwarfout_define, dwarfout_undef): Make static.
4027 (dwarfout_start_source_file_check,
4028 dwarfout_end_source_file_check): New.
4029 (dwarfout_define, dwarfout_finish): Update.
4030 * dwarfout.h (dwarfout_start_new_source_file,
4031 dwarfout_resume_previous_source_file, dwarfout_define,
4032 dwarfout_undef): Remove.
4033 * sdbout.c (sdb_debug_hooks): Add new hooks.
4034 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
4036 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
4037 make static, take an arg.
4038 * sdbout.h (sdbout_start_new_source_file,
4039 sdbout_resume_previous_source_file): Delete.
4040 * toplev.c (debug_start_source_file, debug_end_source_file,
4041 debug_define, debug_undef): Delete.
4042 * toplev.h (debug_start_source_file, debug_end_source_file,
4043 debug_define, debug_undef): Delete.
4045 * java/jcf-parse.c: Include debug.h.
4046 (parse_class_file): Update to use debug hooks directly.
4047 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
4049 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4051 * alias.c (set_mem_alias_set): New function.
4052 * rtl.h (set_mem_alias_set): Declare it.
4053 * builtins.c (expand_builtin_return_addr): Call it instead of
4054 using MEM_ALIAS_SET accessor.
4055 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
4056 (get_memory_rtx, expand_builtin_va_arg): Likewise.
4057 (expand_builtin_va_copy):Likewise.
4058 * caller-save.c (setup_save_areas): Likewise.
4059 * calls.c (compute_argument_addresses): Likewise.
4060 * explow.c (set_mem_attributes): Likewise.
4061 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
4062 (expand_assignment, store_constructor_field, store_field): Likewise.
4063 (expand_expr_unaligned): Likewise.
4064 * function.c (assign_stack_temp_for_type): Likewise.
4065 (put_reg_into_stack, gen_mem_addressof): Likewise.
4066 * ifcvt.c (noce_try_cmove_arith): Likewise.
4067 * reload1.c (reload, alter_reg): Likewise.
4068 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4069 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
4070 (alpha_expand_unaligned_store): Likewise
4071 (alpha_expand_unaligned_load_words): Likewise.
4072 (alpha_expand_unaligned_store_words): Likewise.
4073 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
4074 (alpha_expand_epilogue): Likewise.
4075 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
4076 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
4077 * config/i386/i386.c (legitimize_pic_address): Likewise.
4078 * config/i960/i960.c (setup_incoming_varargs): Likewise.
4079 * config/ia64/ia64.c (spill_restore_mem): Likewise.
4080 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
4081 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
4082 * config/mips/mips.c (mips_va_arg): Likewise.
4083 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
4084 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
4085 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
4086 (setup_incoming_varargs, rs6000_va_arg): Likewise.
4087 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
4088 (rs6000_emit_epilogue): Likewise.
4089 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
4090 * config/sparc/sparc.c (sparc_va_arg): Likewise.
4091 * config/v850/v850.c (v850_va_arg): Likewise.
4093 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
4095 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
4096 when fallthru edge is present.
4097 (mege_blocks): Handle case where creation of jump insn
4100 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
4101 CLEANUP_POST_REGSTACK): New constants.
4102 * except.c (finish_eh_generation): Update call of cleanup_cfg,
4103 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
4104 * output.h (cleanup_cfg): Update prototype.
4105 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
4106 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
4107 cleanup_cfg call; kill missleading comment.
4108 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
4109 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
4110 parameter; control optimizations performed using it.
4111 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4112 try_crossjump_bb): New functions.
4114 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4116 * pa.c (pa_output_function_prologue): Delete prototype. Make function
4118 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
4119 pa_output_function_prologue.
4120 * pa-protos.h (pa_output_function_prologue): New prototype.
4122 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4124 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
4125 and low to get correct sign extension in low+high test.
4127 2001-07-11 Janis Johnson <janis@us.ibm.com>
4129 * gcov.c (arcdata): Use gcov_type to fix branch percentage
4130 for large hit count.
4132 * profile.c (branch_prob): Fix .bbg info for computed gotos
4135 2001-07-11 Mark Mitchell <mark@codesourcery.com>
4137 * stmt.c (parse_output_constraint): New function, split out
4139 (expand_asm_operands): ... here. Use parse_output_constraint.
4140 * tree.h (parse_output_constraint): Declare it.
4142 2001-07-11 Richard Henderson <rth@redhat.com>
4144 * bitmap.c: Comment some functions; fiddle whitespace.
4145 (bitmap_free): Don't export.
4146 (bitmap_element_allocate): Use memset.
4147 * bitmap.h (bitmap_free): Don't declare.
4149 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
4151 * gcse.c, lcm.c, sched-deps.c:
4152 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4154 * flow.c (flow_loops_find): Free dom if we found no loops, since
4155 we aren't going to save it.
4157 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4160 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
4162 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4164 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4166 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4167 #ifndef DWARF2_DEBUGGING_INFO.
4169 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4171 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4173 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4175 * config/mips/mips.c (gen_int_relational): Tell the caller not to
4176 reverse a branch if a NE comparison is implemented with GTU.
4178 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4179 H.J. Lu <hjl@gnu.org>
4181 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4183 (call_internal2): Likewise.
4184 (call_value_internal1): Likewise.
4185 (call_value_internal2): Likewise.
4186 (call_value_multiple_internal1): Likewise.
4187 (call_value_multiple_internal2): Likewise.
4189 2001-07-10 Kazu Hirata <kazu@hxi.com>
4191 * calls.c (emit_library_call_value_1): Fix a comment typo.
4192 * dwarf2out.c (mem_loc_descriptor): Likewise.
4193 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4195 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
4197 * simplify-rtx.c (simplify_subreg): Fix typo in comment
4199 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4201 * recog.c (offsettable_address_p): Handle LO_SUM case.
4202 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4203 instead of plus_constant.
4205 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4207 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4208 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4210 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4212 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4213 adjust_address_nv instead of plus_constant.
4215 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
4217 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4218 dwarf2out.o): Depend on debug.h, wrap long lines.
4219 * dbxout.c: Include debug.h.
4220 (dbx_debug_hooks): New.
4221 (dbxout_init): Make static, take just 2 args.
4222 (dbxout_finish): Make static.
4223 * dbxout.h (dbxout_init, dbxout_finish): Delete.
4224 * debug.c: New file.
4225 * debug.h: New file.
4226 * dwarf2out.c: Include debug.h.
4227 (dwarf2_debug_hooks): New.
4228 (dwarf2out_init): Make static.
4229 (dwarf2out_finish): Make static, take 2 args.
4230 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4231 * dwarfout.c: Include debug.h.
4232 (dwarf_debug_hooks): New.
4233 (dwarfout_init): Make static.
4234 (dwarfout_finish): Make static, take 2 args.
4235 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4236 * sdbout.c: Include debug.h.
4237 (sdb_debug_hooks): New.
4238 (sdbout_init): Make static, take 2 args.
4239 * sdbout.h (sdbout_init): Delete.
4240 * toplev.c: Include debug.h.
4242 (compile_file): Set deubg_hooks based on command line options.
4243 Use the hooks unconditionally rather than conditional compilation.
4245 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
4247 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
4248 first_insn_after_basic_block_note instead.
4250 * df.c (df_bb_refs_unlink): #if 0 out for now.
4252 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
4254 * ssa.h: Add prototype for ssa_const_prop
4255 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4256 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4257 (ssa_fast_dce): Remove unused variable
4259 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4261 * diagnostic.c (finish_diagnostic): Rename to
4262 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
4265 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4267 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4270 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4271 (dump_file): Only pad the demangled name with spaces if the
4272 mangled name was padded with spaces.
4274 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4276 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4279 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4281 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4282 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4285 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4286 whether can put offset inside LO_SUM to check mode alignment, not size.
4288 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4290 * doc/tm.texi (Misc): Fix thinko.
4292 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4294 * regmove.c (replace_in_call_usage): Fix warnings.
4295 * sched-deps.c (add_dependence): Fix warnings.
4296 * simplify-rtx.c (simplify_subreg): Likewise.
4297 Return NULL_RTX instead of NULL.
4299 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4300 (subst_asm_stack_regs): Likewise.
4302 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4305 * dwarf2out.c (output_call_frame_info): Declare i as int.
4306 (build_abbrev_table): Declare n_alloc as int.
4307 (dwarf2out_finish): Initialize die.
4308 * except.c: Declare sjlj_funcdef_number as unsigned.
4309 (connect_post_landing_pads): Declare j as unsigned.
4310 (convert_to_eh_region_ranges): Initialize call_site.
4311 (output_function_exception_table): Initialize tt_format_size.
4312 * expr.c (move_by_pieces_1): Initialize to1.
4313 (store_constructor): Initialize minelt and maxelt.
4314 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4315 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4317 * c-decl.c (combine_parm_decls): Unused, remove.
4318 * c-tree.h: Remove prototype for combine_parm_decls.
4320 * reload.c (push_reload): Fix warning.
4321 (regno_clobbered_p): Likewise.
4322 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4323 (reload_combine): Likewise.
4325 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4326 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4328 * bitmap.c (bitmap_operation): Change user.
4329 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4331 2001-07-10 Eric Christopher <echristo@redhat.com>
4333 * config/mips/mips.c (override_options): Fix typo.
4335 2001-07-09 Stan Shebs <shebs@apple.com>
4337 * target.h (struct gcc_target): New fields init_builtins and
4339 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4340 (TARGET_EXPAND_BUILTIN): New macro.
4341 (TARGET_INITIALIZER): Add them.
4342 * builtins.c: Include target.h.
4343 (expand_builtin): Use targetm.expand_builtin.
4344 (default_init_builtins): New function.
4345 (default_expand_builtin): New function.
4346 * expr.h (default_init_builtins): Declare.
4347 (default_expand_builtin): Declare.
4348 * c-common.c (c_common_nodes_and_builtins): Use
4349 targetm.init_builtins.
4350 * defaults.h (MD_INIT_BUILTINS): Remove.
4351 * Makefile.in (builtins.o): Depend on target.h.
4353 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4354 (TARGET_EXPAND_BUILTIN): Define.
4355 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4356 (MD_EXPAND_BUILTIN): Remove.
4358 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4359 (TARGET_EXPAND_BUILTIN): Define.
4360 (c4x_init_builtins): Make endlink arg a local.
4361 (c4x_print_operand): Fix typos in adjust_address usages.
4362 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4363 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4364 (MD_EXPAND_BUILTIN): Remove.
4366 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4367 (TARGET_EXPAND_BUILTIN): Define.
4368 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4369 (ix86_init_builtins): Call new function only if TARGET_MMX.
4370 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4371 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4372 (MD_EXPAND_BUILTIN): Remove.
4374 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4375 (TARGET_EXPAND_BUILTIN): Define.
4376 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4377 (MD_EXPAND_BUILTIN): Remove.
4379 * doc/tm.texi: Document these changes.
4381 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4383 * basic-block.h (tree_node): Forward declare if needed.
4384 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4385 (BLOCK_HEAD_TREE): Define.
4386 (BLOCK_END_TREE): Define.
4387 (struct loops): Rename field 'tree' to 'tree_root'.
4388 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4390 (flow_loops_tree_build): Rename reference to field 'tree' to
4392 (flow_loops_level_compute): Ditto.
4393 * predict.c (estimate_bb_frequencies): Ditto.
4394 * tree.h (struct tree_common): Add field 'aux'.
4396 2001-07-09 Stan Shebs <shebs@apple.com>
4398 * config/darwin.c (darwin_encode_section_info): Don't mark any
4399 DECL_EXTERNAL node as defined.
4401 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4403 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4404 pa_free_machine_status, hppa_init_pic_save): Delete.
4405 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4406 (hppa_profile_hook): Use hppa_pic_save_rtx.
4407 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4408 hppa_init_pic_save): Delete.
4409 (hppa_pic_save_rtx): Declare.
4410 * pa.md (call, call_value, sibcall, sibcall_value,
4411 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4413 2001-07-09 Kazu Hirata <kazu@hxi.com>
4415 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4416 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4418 2001-07-09 Andreas Jaeger <aj@suse.de>
4420 * output.h: Add declaration of final_forward_branch_p.
4422 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4424 * varray.c: Include errors.h for internal_error and trim_filename
4427 * Makefile.in (varray.o): Add errors.h.
4429 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4431 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4432 * optabs.c (have_add2_insn): Check whether the add insn chosen
4433 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4434 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4436 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4438 * Makefile.in (OBJS): Add ssa-ccp.o
4439 (ssa-ccp.o): Add dependencies.
4440 * toplev.c (DFI_ssa_ccp): New dump file enum.
4441 (dump_file): Add entry for dumping after SSA CCP.
4442 (flag_ssa_ccp): New flag variable.
4443 (f_options): Add -fssa-ccp.
4444 (rest_of_compilation): Run SSA CCP if requested.
4445 * timevar.def (TV_SSA_CCP): New timevar.
4446 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4447 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4448 Fix minor typo in SSA DCE documentation.
4449 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4450 Add documentation for new dump option. Renumber dump files
4453 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4455 * emit-rtl.c (gen_highpart_mode): New.
4456 * rtl.h (gen_highpart_mode): Declare.
4457 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4458 operand can be VOIDmode constant.
4460 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4462 * flow.c (redirect_edge_and_branch_force): New.
4463 (can_fallthru): Ensure that basic blocks are succeeding.
4464 (try_optimize_cfg): Do not delete basic block if it is the last one.
4466 * flow.c (try_redirect_by_replacing_jump): Do not remove
4467 jumps with side effects, unlink chain on fallthru edge;
4468 set block for new jump instruction; avoid basic block to
4469 over by line number note.
4471 * flow.c (try_simplify_condjump): Verify that the condjump
4472 is not always falling trought.
4475 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4477 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4478 (try_redirect_by_replacing_jump): Update properly the count
4479 and frequency information.
4481 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4483 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4484 address that is a LO_SUM specially.
4485 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4487 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4489 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4490 (operand_subword): Use them.
4491 (change_address_1): Renamed from change_address; new arg VALIDATE.
4492 * expr.h: Reflect above changes; change_address now macro.
4493 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4495 * cselib.c (add_mem_for_addr): Likewise.
4496 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4497 * regmove.c (try_apply_stack_adjustment): Likewise.
4498 * reload.c (push_reload, make_memloc): Likewise.
4499 * reload1.c (eliminate_regs): Likewise.
4500 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4501 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4503 * combine.c (make_extraction, simplify_shift_const): Likewise.
4504 (gen_lowpart_for_combine): Likewise.
4505 * cse.c (gen_lowpart_if_possible): Likewise.
4506 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4507 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4508 * optabs.c (gen_move_insn): Likewise.
4509 * reload1.c (alter_reg): Likewise.
4510 * simplify-rtx.c (simplify_subreg): Likewise.
4511 * stmt.c (expand_anon_union_decl): Likewise.
4512 * recog.c (validate_replace_rtx_1): Likewise.
4514 * Makefile.in (recog.o): Add $(EXPR_H).
4515 * explow.c (stabilize): Call replace_equiv_address.
4516 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4517 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4519 2001-07-03 Andrew Haley <aph@redhat.com>
4521 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4522 the mode of the memory location.
4524 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4526 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4528 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4530 * final.c (output_addr_const): Use target opening and
4531 closing parentheses.
4532 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4533 defaults, add to TARGET_ASM_OUT.
4534 * target.h (struct gcc_target): Add open_paren and close_paren.
4535 * doc/md.texi: Update.
4536 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4537 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4538 TARGET_ASM_CLOSE_PAREN.
4539 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4541 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4543 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4544 * config/a29k/a29k.h: Similarly.
4545 * config/alpha/alpha.h: Similarly.
4546 * config/arc/arc.h: Similarly.
4547 * config/arm/aof.h: Similarly.
4548 * config/arm/aout.h: Similarly.
4549 * config/avr/avr.h: Similarly.
4550 * config/c4x/c4x.h: Similarly.
4551 * config/clipper/clipper.h: Similarly.
4552 * config/convex/convex.h: Similarly.
4553 * config/d30v/d30v.h: Similarly.
4554 * config/dsp16xx/dsp16xx.h: Similarly.
4555 * config/elxsi/elxsi.h: Similarly.
4556 * config/fr30/fr30.h: Similarly.
4557 * config/h8300/h8300.h: Similarly.
4558 * config/i370/i370.h: Similarly.
4559 * config/i386/i386.h: Similarly.
4560 * config/i860/i860.h: Similarly.
4561 * config/i960/i960.h: Similarly.
4562 * config/ia64/ia64.h: Similarly.
4563 * config/m32r/m32r.h: Similarly.
4564 * config/m68hc11/m68hc11.h: Similarly.
4565 * config/m68k/m68k.h: Similarly.
4566 * config/m88k/m88k.h: Similarly.
4567 * config/mcore/mcore.h: Similarly.
4568 * config/mips/mips.h: Similarly.
4569 * config/mn10200/mn10200.h: Similarly.
4570 * config/mn10300/mn10300.h: Similarly.
4571 * config/ns32k/ns32k.h: Similarly.
4572 * config/pa/pa.h: Similarly.
4573 * config/pdp11/pdp11.h: Similarly.
4574 * config/pj/pj.h: Similarly.
4575 * config/romp/romp.h: Similarly.
4576 * config/rs6000/rs6000.h: Similarly.
4577 * config/sh/sh.h: Similarly.
4578 * config/sparc/sparc.h: Similarly.
4579 * config/v850/v850.h: Similarly.
4580 * config/vax/vax.h: Similarly.
4581 * config/we32k/we32k.h: Similarly.
4583 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4585 * doc/c-tree.texi: Document representation of attributes.
4587 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4589 * doc/tm.texi: Update some places for the rename of target to
4592 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4594 * target.h (struct gcc_target): Add insert_attributes.
4595 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4596 (TARGET_INITIALIZER): Update.
4597 * tree.c, tree.h (default_insert_attributes): New function.
4598 Update comments on other default functions to refer to targetm,
4600 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4601 TARGET_INSERT_ATTRIBUTES.
4602 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4603 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4604 Don't use PRAGMA_INSERT_ATTRIBUTES.
4605 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4606 * c-decl.c (start_decl, start_function): Don't call
4607 SET_DEFAULT_DECL_ATTRIBUTES.
4608 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4609 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4611 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4612 (c4x_check_attribute): Avoid modifying attribute list itself.
4613 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4615 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4616 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4618 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4619 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4621 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4622 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4624 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4625 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4626 Adjust parameters. Make static.
4628 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4630 * c-common.c (decl_attributes): Only take a single attributes
4632 * c-common.h (decl_attributes): Update prototype.
4633 * c-decl.c (start_decl, start_function): Only take a single
4634 attributes parameter. Update calls to decl_attributes.
4635 (finish_struct, finish_enum): Update calls to decl_attributes.
4636 (push_parm_decl): Expect unified list of attributes. Update call
4638 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4639 notype_nested_function, component_declarator,
4640 component_notype_declarator, label): Update calls to
4642 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4643 lists that are passed to push_parm_decl.
4644 * c-tree.h (start_function, start_decl): Update prototypes.
4645 * config/sh/sh-protos.h, config/sh/sh.c
4646 (sh_pragma_insert_attributes): Only take a single attributes
4648 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4649 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4650 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4651 build_module_descriptor, generate_static_references,
4652 generate_strings, build_selector_translation_table,
4653 generate_descriptor_table, generate_protocols,
4654 generate_ivars_list, generate_dispatch_table,
4655 generate_protocol_list, generate_category,
4656 generate_shared_structures, really_start_method, add_objc_decls,
4657 generate_classref_translation_entry): Update calls to start_decl
4659 (build_tmp_function_decl, start_method_def): Unify attribute lists
4660 that are passed to push_parm_decl.
4662 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4664 * final.c (no_asm_to_stream): New.
4665 (final_scan_insn): Use target structures for prologue ends
4666 and epilogue starts.
4667 * output.h (no_asm_to_stream): New.
4668 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4669 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4670 (TARGET_ASM_OUT): Update.
4671 * target.h (struct gcc_target): New members function_end_prologue
4672 and function_begin_epilogue.
4673 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4674 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4675 * config/alpha/alpha.c (output_end_prologue): Rename to
4676 alpha_output_function_end_prologue. Use in target struct
4678 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4679 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4680 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4681 ia64_output_function_end_prologue. Use in target struct
4683 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4684 mistyped prototypes.
4685 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4686 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4688 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4689 an use in target struct, make static.
4690 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4693 2001-07-08 Richard Henderson <rth@redhat.com>
4695 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4697 2001-07-08 Richard Henderson <rth@redhat.com>
4699 * config/i386/i386.md: Remove constraints strings from define_split
4700 and define_peephole2 patterns.
4701 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4702 (eh_return): Use them.
4704 2001-07-08 Richard Henderson <rth@redhat.com>
4706 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4707 Document MD_FALLBACK_FRAME_STATE_FOR.
4709 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4711 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4712 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4714 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4716 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4718 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4719 of the label inside NAME as opposed to just the end of NAME.
4721 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4723 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4724 * config/alpha/alpha.c (alpha_init_machine_status,
4725 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4726 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4727 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4728 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4730 2001-07-06 Stan Shebs <shebs@apple.com>
4732 * target.h (targetm): Rename global from "target", so as not to
4733 conflict with local variables.
4735 * c-typeck.c: Ditto.
4739 * cp/decl2.c: Ditto.
4740 * cp/typeck.c: Ditto.
4741 * 1750a/1750a.c: Ditto.
4742 * a29k/a29k.c: Ditto.
4746 * clipper/clipper.c: Ditto.
4747 * convex/convex.c: Ditto.
4748 * d30v/d30v.c: Ditto.
4749 * dsp16xx/dsp16xx.c: Ditto.
4750 * elxsi/elxsi.c: Ditto.
4751 * fr30/fr30.c: Ditto.
4752 * h8300/h8300.c: Ditto.
4753 * i370/i370.c: Ditto.
4754 * i386/i386.c: Ditto.
4755 * i860/i860.c: Ditto.
4756 * i960/i960.c: Ditto.
4757 * ia64/ia64.c: Ditto.
4758 * m32r/m32r.c: Ditto.
4759 * m68hc11/m68hc11.c: Ditto.
4760 * m68k/m68k.c: Ditto.
4761 * m88k/m88k.c: Ditto.
4762 * mips/mips.c: Ditto.
4763 * ns32k/ns32k.c: Ditto.
4765 * pdp11/pdp11.c: Ditto.
4766 * romp/romp.c: Ditto.
4767 * rs6000/rs6000.c: Ditto.
4769 * sparc/sparc.c: Ditto.
4771 * we32k/we32k.c: Ditto.
4772 * doc/tm.texi: Update the manual to match.
4774 2001-07-06 Richard Henderson <rth@redhat.com>
4776 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4777 DWARF2_UNWIND_INFO not just whether it is defined.
4779 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4781 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4782 call to simplify_binary_operation returns a new pattern.
4784 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4786 * glimits.h (__SHRT_MAX__): New.
4787 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4788 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4790 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4792 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4795 2001-07-06 Richard Henderson <rth@redhat.com>
4797 * bitmap.c (bitmap_release_memory): Move adjacent to the
4798 allocation functions.
4799 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4800 the implementation. Binary search for the set bit.
4801 (bitmap_union_of_diff): Allocate the temporary on the stack
4802 instead of using xmalloc.
4804 2001-07-06 Richard Henderson <rth@redhat.com>
4806 * genrecog.c (validate_pattern): Warn for constraints in
4807 define_{expand,split,peephole2}. Remove strict_low_part
4808 before looking up match_dup.
4810 2001-07-06 DJ Delorie <dj@redhat.com>
4812 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4813 chapter about various build hints and history. Add section
4814 talking about the various types of native and cross builds.
4816 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4818 * Makefile.in (final.o): Depend on target.h.
4819 * final.c: Include target.h.
4820 (default_function_pro_epilogue): New.
4821 (final_start_function): Use target structure for function prologues.
4822 (final_end_function): Use target structure for function epilogues.
4823 * fold-const.c (real_hex_to_f): Constify s and p.
4824 * output.h (default_function_pro_epilogue): New.
4825 * real.h (real_hex_to_f): Update prototype.
4826 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4827 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4828 (TARGET_INITIALIZER): Update.
4829 * target.h (gcc_target): Add struct asm_out.
4830 * doc/tm.texi: Update.
4833 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4834 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4835 in cpu/cpu.c, or rename old functions consistently. Take
4836 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4837 redundant macros and prototypes. Make new functions static.
4839 * 1750a/1750a.c: Similarly.
4840 * 1750a/1750a.h: Similarly.
4841 * a29k/a29k-protos.h: Similarly.
4842 * a29k/a29k.c: Similarly.
4843 * a29k/a29k.h: Similarly.
4844 * arc/arc-protos.h: Similarly.
4845 * arc/arc.c: Similarly.
4846 * arc/arc.h: Similarly.
4847 * arm/arm-protos.h: Similarly.
4848 * arm/arm.c: Similarly.
4849 * arm/arm.h: Similarly.
4850 * avr/avr-protos.h: Similarly.
4851 * avr/avr.c: Similarly.
4852 * avr/avr.h: Similarly.
4853 * clipper/clipper-protos.h: Similarly.
4854 * clipper/clipper.c: Similarly.
4855 * clipper/clipper.h: Similarly.
4856 * convex/convex.c: Similarly.
4857 * convex/convex.h: Similarly.
4858 * d30v/d30v-protos.h: Similarly.
4859 * d30v/d30v.c: Similarly.
4860 * d30v/d30v.h: Similarly.
4861 * d30v/d30v.md: Similarly.
4862 * dsp16xx/dsp16xx-protos.h: Similarly.
4863 * dsp16xx/dsp16xx.c: Similarly.
4864 * dsp16xx/dsp16xx.h: Similarly.
4865 * elxsi/elxsi.c: Similarly.
4866 * elxsi/elxsi.h: Similarly.
4867 * fr30/fr30.c: Similarly.
4868 * fr30/fr30.md: Similarly.
4869 * h8300/h8300-protos.h: Similarly.
4870 * h8300/h8300.c: Similarly.
4871 * h8300/h8300.h: Similarly.
4872 * i370/i370-protos.h: Similarly.
4873 * i370/i370.c: Similarly.
4874 * i370/i370.h: Similarly.
4875 * i386/i386.c: Similarly.
4876 * i386/osf1elf.h: Similarly.
4877 * i386/osfrose.h: Similarly.
4878 * i860/i860-protos.h: Similarly.
4879 * i860/i860.c: Similarly.
4880 * i860/i860.h: Similarly.
4881 * i960/i960-protos.h: Similarly.
4882 * i960/i960.c: Similarly.
4883 * i960/i960.h: Similarly.
4884 * ia64/ia64-protos.h: Similarly.
4885 * ia64/ia64.c: Similarly.
4886 * ia64/ia64.h: Similarly.
4887 * m32r/m32r-protos.h: Similarly.
4888 * m32r/m32r.c: Similarly.
4889 * m32r/m32r.h: Similarly.
4890 * m68hc11/m68hc11-protos.h: Similarly.
4891 * m68hc11/m68hc11.c: Similarly.
4892 * m68hc11/m68hc11.h: Similarly.
4893 * m68k/crds.h: Similarly.
4894 * m68k/dpx2.h: Similarly.
4895 * m68k/m68k-protos.h: Similarly.
4896 * m68k/m68k.c: Similarly.
4897 * m68k/m68k.h: Similarly.
4898 * m68k/news.h: Similarly.
4899 * m88k/m88k-protos.h: Similarly.
4900 * m88k/m88k.c: Similarly.
4901 * m88k/m88k.h: Similarly.
4902 * mips/mips-protos.h: Similarly.
4903 * mips/mips.c: Similarly.
4904 * mips/mips.h: Similarly.
4905 * ns32k/merlin.h: Similarly.
4906 * ns32k/ns32k.c: Similarly.
4907 * ns32k/ns32k.h: Similarly.
4908 * ns32k/tek6000.h: Similarly.
4909 * pa/pa-protos.h: Similarly.
4910 * pa/pa.c: Similarly.
4911 * pa/pa.h: Similarly.
4912 * pdp11/2bsd.h: Similarly.
4913 * pdp11/pdp11-protos.h: Similarly.
4914 * pdp11/pdp11.c: Similarly.
4915 * pdp11/pdp11.h: Similarly.
4916 * romp/romp-protos.h: Similarly.
4917 * romp/romp.c: Similarly.
4918 * romp/romp.h: Similarly.
4919 * rs6000/rs6000-protos.h: Similarly.
4920 * rs6000/rs6000.c: Similarly.
4921 * rs6000/rs6000.h: Similarly.
4922 * rs6000/sysv4.h: Similarly.
4923 * sh/sh-protos.h: Similarly.
4924 * sh/sh.c: Similarly.
4925 * sh/sh.h: Similarly.
4926 * sparc/sparc-protos.h: Similarly.
4927 * sparc/sparc.c: Similarly.
4928 * sparc/sparc.h: Similarly.
4929 * vax/vax.c: Similarly.
4930 * vax/vax.h: Similarly.
4931 * vax/vms.h: Similarly.
4932 * we32k/we32k.c: Similarly.
4933 * we32k/we32k.h: Similarly.
4935 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4937 * basic-block.h (first_insn_after_basic_block_note): Declare.
4938 * flow.c (first_insn_after_basic_block_note): Define. Moved
4940 * ssa.c (first_insn_after_basic_block_note): Remove.
4941 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4943 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4944 nodes when we find a dead conditional branch. Insert BARRIERs
4945 after any blocks with no successors, but which do not have
4948 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4950 * varray.c (varray_check_failed): Use internal_error.
4952 2001-07-05 Andrew Haley <aph@redhat.com>
4954 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4955 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4956 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4958 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4960 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4961 reference if the target constant is also a SYMBOL_REF.
4963 2001-07-05 Eric Christopher <echristo@redhat.com>
4965 * config/mips/mips.h (MASK_MIPS3900): Remove.
4966 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4967 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4968 (TARGET_MIPS3900): Change to use mips_arch.
4969 (TARGET_MIPS4000): New.
4970 (TARGET_MIPS4100): New.
4971 (TARGET_MIPS4300): New.
4972 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4973 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4975 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4976 (ISA_HAS_BRANCHLIKELY): To here.
4977 (CC1_CPU_SPEC): New.
4978 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4979 (mips_arch_string): Declare.
4980 (mips_arch): Declare.
4981 (TARGET_OPTIONS): Add -march and -mtune.
4983 * config/mips/mips.c (mips_arch_string): New.
4985 (override_options): Handle -march for codegen and -mtune
4986 for scheduling. Use mips_arch. Move tx39 target default here.
4987 (mips_parse_cpu): Move error message to override_options.
4989 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4991 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4993 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4994 (MIPS Options): Ditto. Change mcpu entry to historical text.
4996 2001-07-05 H.J. Lu (hjl@gnu.org)
4998 * config/mips/mips.c (mips_parse_cpu): New function to parse
5001 2001-07-05 Jim Wilson <wilson@redhat.com>
5003 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
5004 * config/ia64/t-ia64: Likewise.
5005 (LIB1ASMFUNCS): Update comment.
5007 2001-07-05 David Edelsohn <edelsohn@gnu.org>
5009 * doc/install.texi (Install GCC: Binaries): Fix typo.
5011 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5013 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
5014 reference using the stack pointer, adjust it since we push Y
5016 ("*ashrsi3"): Likewise.
5017 ("*lshrsi3"): Likewise.
5019 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5021 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
5022 when -fomit-frame-pointer is used.
5024 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
5026 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
5027 (try_redirect_by_replacing_jump): Reverse updating properly the
5028 count and frequency information. Reverse removing cc0 setter.
5029 (forwarder_block_p): Reverse fixing for fallthru blocks.
5031 2001-07-05 DJ Delorie <dj@redhat.com>
5033 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
5034 (translate_options): If the above is defined, use it to map
5035 given options to new options.
5036 * doc/tm.texi: Document it.
5038 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
5039 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5041 * doc/invoke.texi (Optimize Options): Document that -fgcse may
5042 cause programs using computed gotos to run more slowly.
5044 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5046 * doc/install.texi (Specific): Markup, spelling and typo fixes.
5048 Consistently require binutils 2.11.2, not prereleases.
5049 (Specific, decstation-*): Canonicalize as mips-dec-*.
5050 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
5052 (Specific, m68k-altos): Removed reference to README.altos, deleted.
5053 (Specific, mips-*): Reword MIPS C compiler requirements.
5054 (Specific, powerpc*-*-*): New, mention --with-cpu once.
5055 (Specific, sunv5): Removed, obsolete.
5057 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
5059 * dwarf2out.c (output_loc_list): Use an all ones mask for
5060 .text asm output and don't rely on long long
5061 literals. Reformat some long lines.
5063 2001-07-05 Andreas Jaeger <aj@suse.de>
5065 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
5068 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5070 * dwarf2out.c (dwarf2out_define): Update comment.
5071 (dwarf2out_undef): Ditto.
5072 (dwarf2out_start_source_file): Ditto.
5073 (dwarf2out_end_source_file): Ditto.
5074 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
5075 since we never call the start/end debug hook for the primary file.
5077 2001-07-04 Kazu Hirata <kazu@hxi.com>
5079 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
5082 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5084 * cppinit.c (remove_dup_dirs): Inform if a system include
5085 directory is being reordered.
5086 * doc/invoke.texi (Directory Options): GCC warns if you hide a
5088 * doc/cpp.texi (Search Paths): Likewise.
5089 * doc/gcc.texi (Interoperation): Remove information about
5092 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5094 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
5095 (VARRAY_TOP_CHAR_PTR): Likewise.
5097 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * gcc.c (process_command): Don't assign elements of a const char*.
5101 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5103 * emit-rtl.c (change_address): Don't abort if invalid address while
5104 reload is in progress.
5106 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5108 * c-lex.c (cb_file_change): Pass line number to
5109 debug_start_source_file.
5110 (cb_undefine): Pass correct line number to debug_undef.
5112 * toplev.c (debug_start_source_file): Add line number to
5113 parameters. Pass it along to dwarf2out_start_source_file.
5114 (decode_g_option): Stop resetting debug level back to normal when
5115 we change debug formats, unless the current level is
5116 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
5119 * toplev.h (debug_start_source_file): Add line number to
5122 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
5125 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
5127 Output debug_macinfo data for starting file if requested.
5128 (dwarf2out_end_source_file): Output debug_macinfo data for ending
5130 (dwarf2out_define): Output debug_macinfo data for defining a macro
5132 (dwarf2out_undef): Output debug_macinfo data for undefining a
5134 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
5135 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
5136 (macinfo_section_label): New. DWARF2 macro info section label.
5137 (dwarf2out_init): If we want macro info, output the start label
5139 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5140 attribute to the compilation unit die pointing to the macro info.
5142 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5144 * dwarf2out.c (new_loc_list): Move to inside #ifdef
5145 DWARF2_DEBUGGING_INFO.
5146 (add_loc_descr_to_loc_list): Ditto.
5147 (output_loc_list): Ditto.
5148 Also, fix thinko in curr not being initialized.
5149 (gen_internal_sym): Ditto.
5151 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5153 * emit-rtl.c (replace_equiv_address): New function.
5154 * expr.h (replace_equiv_address): New declaration.
5155 * explow.c (validize_mem): Call it instead of change_address and
5156 also call if -fforce-addr and address is constant.
5157 * expr.c: Replace more calls to change_address with adjust_address
5158 and/or replace_equiv_address or to validize_mem.
5159 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5160 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5161 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5162 * config/i370/i370.md, config/i860/i860.md: Likewise.
5163 * config/i960/i960.md, config/mips/mips.c: Likewise.
5164 * config/mips/mips.md, config/pa/pa.md: Likewise.
5165 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5166 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5168 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5172 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5175 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
5177 * doc/include: New directory.
5178 * doc/fdl.texi: Move to doc/include/fdl.texi.
5179 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5180 * doc/include/funding.texi, doc/include/gpl.texi: New files.
5181 * doc/gcc.texi: Use funding.texi and gpl.texi.
5182 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5183 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5184 Update dependencies and use -I $(docdir)/include.
5186 2001-07-04 Anthony Green <green@redhat.com>
5188 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5190 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5192 * doc/install.texi (sparc64-*-*): Remove garbage.
5194 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
5196 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5197 Fix typo in last change to use adjust_address.
5199 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5201 * doc/install.texi (Specific): Update information for *-*-solaris*.
5203 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5205 * explow.c (plus_constant_wide): Reinitialize Y for restart.
5207 2001-07-03 Stan Shebs <shebs@apple.com>
5209 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5210 case for flag_no_mach_text_sections.
5211 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5212 * config/darwin.c (flag_no_mach_text_sections): Remove.
5213 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5215 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5217 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5218 and avoid checking for constant as first operand.
5219 * recog.c (find_constant_term_loc): No longer static.
5220 (adj_offettable_operand): Delete.
5221 * rtl.h (adj_offsettable_operand): Delete declaration.
5222 (find_constant_term): Add declaration.
5223 * caller-save.c: Replace calls to adj_offsettable_operand with calls
5225 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5226 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5227 * config/i386/i386.c, config/i386/i386.md: Likewise.
5228 * config/i860/i860.c, config/i960/i960.c: Likewise.
5229 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5230 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5231 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5232 * config/mips/mips.c, config/mips/mips.md: Likewise.
5233 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5234 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5235 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5236 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5237 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5238 * config/ns32k/ns32k.md: Likewise.
5240 2001-07-03 Zack Weinberg <zackw@stanford.edu>
5242 * rtl.c (copy_rtx): Handle 'T' format letter.
5243 * gensupport.c (collect_insn_data): Likewise.
5244 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5246 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
5248 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5249 -B option. Use 'dir' not 'foo' as example directory name.
5251 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5253 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5254 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5256 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5258 * doc/cppinternals.texi: Improve formatting and logical markup.
5260 2001-07-03 Andreas Jaeger <aj@suse.de>
5262 * Makefile.in (insn-recog.o): Add dependency on reload.h.
5264 * genrecog.c (write_header): Include reload.h for prototypes in
5267 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5270 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5271 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5272 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5273 i386_pe_valid_type_attribute_p): Add.
5274 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5275 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5277 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5279 * explow.c (plus_constant_wide, case LO_SUM): New case.
5280 (plus_constant_for_output_wide): Delete.
5281 * rtl.h (plus_constant_for_output): Delete.
5282 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5283 instead of plus_constant_for_output.
5284 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5285 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5286 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5287 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5288 * config/sparc/sparc.md: Likewise.
5289 Convert some change_address calls to adjust_address.
5291 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5293 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5294 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5295 documentation of -std and -Wwrite-strings.
5297 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5299 * cse.c (canon_hash): Don't register registers in very small
5300 register classes, as extending their lifetime might cause
5303 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5305 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5307 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5308 (try_redirect_by_replacing_jump): Update properly the count
5309 and frequency information.
5311 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5313 * toplev.c (dump_file_index): Move SSA dumps just after first
5315 (dump_file): Corresponding changes.
5316 (rest_of_compilation): Move SSA path to just after the first
5318 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5319 * doc/invoke.texi: Update dump file #s as they were completely
5320 out of date with reality.
5322 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5324 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5326 * expr.c (emit_move_insn_1): Deal with non-default
5329 * expr.c (emit_single_push_insn): Fix warning.
5331 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5333 * expr.c (emit_move_insn_1): Avoid modifying
5334 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5336 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5338 * emit-rtl.c (adjust_address): New function.
5339 * expr.h (adjust_address): Add declaration.
5340 * builtins.c: Replace some calls to change_address with calls to it
5342 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5343 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5344 * config/arm/arm.c, config/convex/convex.c: Likewise.
5345 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5346 * config/i386/i386.c, config/i386/i386.md: Likewise.
5347 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5348 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5349 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5350 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5351 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5353 2001-07-02 Jim Wilson <wilson@redhat.com>
5355 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5357 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5359 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5360 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5362 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5364 * cppinit.c (lang_defaults): New table.
5365 (set_lang): Just read from lang_defaults into the live options
5368 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5370 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5371 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5372 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5374 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5376 * doc/install.texi: Various spelling and markup fixes.
5377 (Installing GCC): Component specific installation instructions are
5380 Warn about removing old install dir in the presence of shared libs.
5381 (Configuration): Invoke with options target to match configure
5383 Consistently refer to gas, gld pathnames.
5384 Invert --enable-multilib documentation.
5385 Remove references to old compiler versions.
5387 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5389 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5391 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5395 (Specific, mips*-sgi-irix5): Note IDO download.
5396 Reworded MIPS C hints.
5397 Use GNU as instead of GAS.
5399 Removed SGI Freeware reference, IRIX 6 only.
5400 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5401 Note N64 library requirement/workaround.
5403 Complete list of structure passing bug victims.
5405 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5407 * doc/install.texi: Remove CVS Id.
5409 2001-07-02 Andreas Jaeger <aj@suse.de>
5411 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5412 (find_inherently_necessary): Remove unused variable.
5414 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5416 * c-common.h (TDI_inlined): New ast dump phase.
5417 (dump_flag_name): New function.
5418 * c-dump.c (dump_files): Add inlined phase.
5419 (dump_flag_name): Define.
5420 * doc/invoke.texi (-fdump-ast-inlined): Document.
5422 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5424 * stor-layout.c (layout_decl): Revert change to handling of alignment
5427 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5429 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5432 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5434 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5437 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5439 * tlink.c (recompile_files): Remove COMPILER_PATH and
5440 LIBRARY_PATH from the environment.
5442 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5444 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5445 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5447 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5449 * c-parse.in (OBJC_STRING): Kill.
5450 (objc_string): Decompose to [objc_string] '@' STRING.
5451 (reswords): Take the leading '@' off all the Objective C keywords.
5452 (objc_rid_sans_at): Kill.
5453 (init_reswords): Don't initialize it.
5454 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5455 (_yylex): Kill reconsider label. Look ahead one token after
5456 an '@'; if we get an identifier, check whether it's an
5457 Objective C @-keyword. If so, return the keyword. Otherwise,
5458 put back the token and return the '@' as a terminal.
5460 * cpplib.c (lex_macro_node): Remove unnecessary check for
5461 leading '@' on identifier. Clarify control flow and commentary.
5463 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5465 * cse.c (new_label_ref): Variable deleted.
5466 (insert): Remove set of new_label_ref.
5467 (check_for_label_ref): New function.
5468 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5470 See ChangeLog.5 for earlier changes.