1 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4 note from its associated jump.
6 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
8 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
9 also on 64-bit s390x targets.
11 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
13 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
15 (arm_expand_prologue): Handled nested functions which take a
16 variable argument list.
17 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
18 macro with an invocation of
19 arm_compute_initial_elimination_offset.
20 * config/arm/arm-protos.h: Prototype
21 arm_compute_initial_elimination_offset.
23 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25 * doc/install.texi (Specific, avr): Fix markup.
26 (Specific, c4x): Ditto.
28 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
30 * predict.c (dump_prediction): Change `bool' parameter to `int'.
32 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
34 * Makefile.in (OBJS): Add rtl-error.o
35 (rtl-error.o): New rule.
36 (diagnostic.o): Adjust dependency.
37 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
38 error_for_asm, _fatal_insn, _fatal_insn_not_found,
39 warning_for_asm): Move to...
40 rtl-error.c: ...here. New file.
42 2001-08-14 Richard Henderson <rth@redhat.com>
44 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
45 if USING_SJLJ_EXCEPTIONS.
47 2001-08-14 Steve Ellcey <sje@cup.hp.com>
49 * tlink.c (scan_linker_output): Check string for unsatisfied in
50 addition to undefined and unresolved.
52 2001-08-14 Graham Stott <grahams@redhat.com>
54 * libgcc2.c (*): Replace EH_FRAME_SECTION with
55 EH_FRAME_SECTION_NAME.
57 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
59 * genattrtab.c (simplify_test_exp_in_temp): New function.
60 (simplify_test_exp): Avoid explicit use of temporary obstack.
61 (simplify_cond, insert_right_side, evaluate_eq_attr,
62 simplify_and_tree, simplify_or_tree, eliminate_known_true):
63 Use simplify_test_exp_in_temp.
64 (optimize_attrs): Iterate until expression stabilizes.
66 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
68 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
69 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
71 2001-08-13 Richard Henderson <rth@redhat.com>
73 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
74 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
75 * config/arm/conix-elf.h: Likewise.
77 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
79 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
81 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
83 * gcse.c (hash_scan_set): Expressions that are set as part of
84 jump instructions are not available.
86 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
88 * config/s390/s390.c (print_operand, s390_function_prologue,
89 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
91 2001-08-13 Richard Henderson <rth@redhat.com>
93 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
94 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
95 * doc/tm.texi (Exception Region Output): Document it.
97 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
99 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
100 DWARF2 instead of stabs by default.
102 2001-08-13 David Edelsohn <edelsohn@gnu.org>
104 * config/rs6000/rs6000.c: Include optabs.h.
106 2001-08-13 David Edelsohn <edelsohn@gnu.org>
108 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
109 save/restore routines.
110 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
112 2001-08-13 Andreas Jaeger <aj@suse.de>
114 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
115 the english is correct.
117 2001-08-13 Zack Weinberg <zackw@panix.com>
119 * expr.h: Split out optab- and libfunc-related code to...
120 * optabs.h, libfuncs.h: ... these new headers.
122 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
124 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
126 * mkconfig.sh: Don't include insn-codes.h from config.h.
128 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
129 enum insn_code is available. Move reload_in_optab and
130 reload_out_optab array declarations to optabs.h.
131 * regmove.c (gen_add3_insn): Move to optabs.c, export from
132 there, prototype in expr.h.
133 * gencodes.c: Cleanup: zap global variables, don't use
134 printf where puts will do, don't bother defining MAX_INSN_CODE
135 which nothing uses, let CODE_FOR_nothing get its value implicitly.
137 * genemit.c, genopinit.c: Include optabs.h in generated file.
138 * genoutput.c: Include insn-codes.h in generated file.
139 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
140 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
141 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
142 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
143 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
144 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
146 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
147 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
148 config/m88k/m88k.c, config/sparc/sparc.c:
150 * reload.c: Include expr.h and optabs.h before reload.h.
151 * config/alpha/alpha.c: Include tree.h before reload.h.
152 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
153 and reload.h in that order.
154 * config/sparc/sparc.c: Include debug.h.
155 * recog.c: Include insn-codes.h.
157 2001-08-13 Andreas Jaeger <aj@suse.de>
159 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
162 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
164 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
165 * gcc.c (init_spec): Fix typo in comment.
166 * varasm.c (data_section): Fix typo in comment.
168 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
170 * predict.c (dump_prediction): New argument "USED".
171 (combine_predictions_for_insn): Determine the used heuristics,
172 output the case no heuristic applied.
173 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
175 2001-08-13 Andreas Jaeger <aj@suse.de>
177 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
180 2001-08-13 Kazu Hirata <kazu@hxi.com>
182 * jump.c: Fix formatting.
184 2001-08-13 Kazu Hirata <kazu@hxi.com>
186 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
189 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
191 * loop.c (check_dbra_loop): Use condjump_label to compute
194 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
195 to better document the files they're in.
197 2001-08-12 Zack Weinberg <zackw@panix.com>
199 * recog.h (struct insn_operand_data): Shrink 'mode' field
202 2001-08-12 Kazu Hirata <kazu@hxi.com>
204 * gcc.c: Fix comment formatting.
205 * gccspec.c: Likewise.
208 * genemit.c: Likewise.
209 * gengenrtl.c: Likewise.
210 * genrecog.c: Likewise.
211 * gensupport.c: Likewise.
212 * ggc-page.c: Likewise.
213 * global.c: Likewise.
216 * integrate.c: Likewise.
218 * libgcc2.c: Likewise.
220 * mbchar.c: Likewise.
221 * optabs.c: Likewise.
222 * predict.c: Likewise.
223 * prefix.c: Likewise.
224 * profile.c: Likewise.
225 * protoize.c: Likewise.
228 * regclass.c: Likewise.
229 * regmove.c: Likewise.
230 * reg-stack.c: Likewise.
231 * reload1.c: Likewise.
232 * resource.c: Likewise.
233 * rtlanal.c: Likewise.
236 2001-08-12 Kazu Hirata <kazu@hxi.com>
238 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
239 a tree representing a constant is passed to the macro.
241 2001-08-12 Richard Henderson <rth@redhat.com>
243 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
244 (rs6000_elf_asm_out_destructor): New.
245 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
246 (DTORS_SECTION_ASM_OP): Remove.
247 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
248 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
250 2001-08-12 David Edelsohn <edelsohn@gnu.org>
253 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
254 * gcc.c (set_collect_gcc_options): New function, split out from
256 Ignore elided switches.
257 (do_spec_1): Invoke before executing command.
260 * gcc.h (set_input): ... here.
261 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
264 2001-08-12 Richard Henderson <rth@redhat.com>
266 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
267 thinko wrt TARGET_RELOCATABLE.
269 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
271 * fix-header.c (cb_file_change): Update prototype.
273 2001-08-11 Zack Weinberg <zackw@panix.com>
275 * toplev.c (set_float_handler): Make static.
276 * toplev.h: Don't prototype set_float_handler.
278 * simplify-rtx.c: Don't include setjmp.h.
279 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
281 (simplify_unary_operation, simplify_binary_operation): Use them,
282 via do_float_handler.
284 * fold-const.c: Don't include setjmp.h.
285 (exact_real_inverse_1): New function.
286 (exact_real_inverse): Use it, via do_float_handler.
288 * varasm.c: Don't include setjmp.h.
289 (assemble_real_1): New function.
290 (assemble_real): Use it, via do_float_handler.
291 Call internal_error if we get a trap here.
293 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
294 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
296 2001-08-11 Zack Weinberg <zackw@panix.com>
298 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
299 STACK_BOUNDARY if not already defined.
301 * calls.c, function.c, reload1.c, explow.c: Don't default
302 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
303 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
305 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
308 * doc/tm.texi: Document that STACK_BOUNDARY is required;
309 clarify difference between it and PREFERRED_STACK_BOUNDARY.
311 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
313 * cppmacro.c (enter_macro_context): Push macro expansions even
316 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
318 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
319 (rs6000_elf_section_type_flags): Actually return a value.
321 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
323 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
324 Clean up code: add missing comments and prototypes, fix warnings,
325 remove obsolete code, fix spacing to conform to coding style.
327 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
329 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
330 and TARGET_ASM_CLOSE_PAREN.
331 (regclass_map): CC register belongs to class NO_REGS.
332 (legitimize_pic_address): Don't generate unnecessary moves
333 (to avoid confusing loop optimization).
334 (check_and_change_labels): Replace jump_long by indirect_jump.
335 (s390_final_chunkify): Don't start a new literal pool on section
336 switch in 64-bit code.
337 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
339 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
340 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
341 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
343 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
344 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
345 (CONST_COSTS): Fixed incorrect costs.
347 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
348 Use emit_jump instead of emit_jump_insn (gen_jump).
349 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
350 (to avoid confusing flow analysis).
351 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
352 (casesi, casesi_jump): New.
353 (jump_long): Removed. Functionality merged into indirect_jump.
354 (indirect_jump): Accept address_operand, not just register_operand.
355 (cjump_long, icjump_long): Use same logic as indirect_jump.
356 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
357 Fixed broken setjmp/longjmp handling.
358 (do_builtin_setjmp_setup): Removed.
360 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
361 broken GNU as versions that don't accept .quad with large
362 negative values. Use hexadecimal output instead.
363 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
364 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
365 FUNCTION_EPILOGUE): Removed. Now in targetm.
367 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
369 * config/s390/fixdfdi.h: Add missing copyright statement.
370 Fix type conflicts on 64-bit. Add missing SFmode routines.
372 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
375 2001-08-11 Richard Henderson <rth@redhat.com>
377 * rtl.h (REG_EH_RETHROW): Remove.
378 * rtl.c (reg_note_name): Update.
379 * combine.c (distribute_notes): Don't check for it.
381 2001-08-11 Richard Henderson <rth@redhat.com>
383 * combine.c (distribute_notes): Place REG_SETJMP.
385 2001-08-11 Richard Henderson <rth@redhat.com>
387 * doc/extend.texi (Arrays and pointers implementation): Discourage
388 relying on sign-extension of pointers.
390 2001-08-11 H.J. Lu <hjl@gnu.org>
392 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
394 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
395 RDATA_SECTION_ASM_OP.
397 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
399 * doc/install.texi (Specific, c4x): Fix cross-reference to the
400 main manual to work both for info and HTML versions.
402 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
403 Matt Kraai <kraai@alumni.carnegiemellon.edu>
405 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
406 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
407 (struct cpp_pool): New member first.
408 * cppinit.c (append_include_chain): Plug memory leaks.
409 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
410 Allocate pragma structures from the (aligned) macro pool to
411 avoid leaking memory.
412 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
413 so we don't leak memory.
414 * hashtable.c (ht_destroy): New.
415 * hashtable.h (ht_destroy): New.
417 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
418 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
420 * c-lex.c (map): Make const.
421 (cb_file_change): Update for callback passing a line map.
422 Don't assume we have a previous map. Remove sanity check
423 about popping too many files.
424 * cpperror.c (print_location): Make map const.
425 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
426 (cpp_make_system_header): Similarly.
427 (search_from): Similarly.
428 (_cpp_execute_include): Don't remember where we came from.
429 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
430 (struct cpp_reader): Make map const.
431 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
432 * cpplib.c (do_line): Update; line maps now hold sysp.
433 (cpp_push_buffer): Similarly.
434 (_cpp_do_file_change): Similarly; callback with map instead.
435 (cpp_get_line_maps): Constify return value.
436 (_cpp_pop_buffer): Update.
437 * cpplib.h (struct cpp_file_change): Remove.
438 (struct cpp_callbacks): Update.
439 (cpp_get_line_maps): Constify return value.
440 * cppmacro.c (_cpp_create_definition): Update.
441 * cppmain.c (struct printer): Constify map.
442 (maybe_print_line): Similarly.
443 (print_line): Similarly. Deduce flags 1 and 2 here.
444 (cb_file_change): Update.
445 * line-map.c (free_line_maps): Warn regardless.
446 (add_line_map): Return pointer to const. When passed NULL to_file
447 with LC_LEAVE, use the obvious values for the return point so the
448 caller doesn't have to figure them out.
449 (lookup_line): Return pointer to const.
450 (print_containing_files): Take pointer to const.
451 * line-map.h (struct line_map): New members reason, sysp.
452 (add_line_map): Return pointer to const.
453 (lookup_line): Similarly.
454 (print_containing_files): Take pointer to const.
456 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
457 Richard Henderson <rth@redhat.com>
459 * regmove.c (regmove_optimize): Avoid setting a register twice in
462 2001-08-10 Richard Henderson <rth@redhat.com>
464 * doc/extend.texi (Arrays and pointers implementation): Document
465 behavior of pointer/integer conversion.
467 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
469 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
471 2001-08-10 Richard Henderson <rth@redhat.com>
473 * doc/extend.texi (C Implementation): New chapter.
474 * doc/gcc.texi (Top): Link it in.
476 2001-08-10 Andrew Cagney <ac131313@redhat.com>
478 * doc/install.texi (Specific): Fix CVS merge botch.
480 2001-08-10 Richard Henderson <rth@redhat.com>
482 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
483 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
485 2001-08-10 Zack Weinberg <zackw@stanford.edu>
487 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
488 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
489 this macro is now required.
491 * cselib.c (cselib_process_insn), flow.c (propagate_block),
492 loop.c (find_and_verify_loops), reload.c (reload): Check
493 for rtx code of CALL_INSN, not CALL, when deciding if we
494 need to check for REG_SETJMP note.
496 * gcse.c (compute_hash_table, compute_store_table): Update
497 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
500 * config/avr/avr.c: Fix typo.
501 * config/convex/convex.c (expand_movstr): Use adjust_address.
502 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
504 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
505 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
507 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
508 Do define STACK_BOUNDARY.
509 * config/i370/i370.c: Include expr.h.
510 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
511 config/pa/som.h, config/v850/v850.h: Take in_ctors and
512 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
513 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
514 * config/m88k/m88k.c: Include c-tree.h after expr.h.
515 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
516 * config/romp/romp.c: Include expr.h after tree.h.
518 (output_fpop): Use xmalloc, not oballoc.
519 * config/we32k/we32k.c: Include expr.h.
521 2001-08-10 Kazu Hirata <kazu@hxi.com>
523 * config/h8300/h8300.h: Fix formatting.
525 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
527 * c-common.h (RETURN_NULLIFIED_P): Lose.
528 * c-semantics.c (genrtl_return_stmt): Don't check it.
530 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
532 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
533 (mips_annotate_frame_insn): New function.
534 (mips_emit_frame_related_store): New function.
535 (save_restore_insns): Don't mark instructions that set up the base
536 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
537 the store instructions instead.
538 (mips_expand_prologue): If the stack size is moved into a temporary
539 register, do not mark that move as frame-related. Add a
540 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
542 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
544 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
545 stack slot as unchanging if current_function_calls_eh_return.
547 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
549 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
550 access the second half of the TFmode scratch operand.
552 2001-08-10 Anthony Green <green@redhat.com>
554 * java/class.c (emit_register_classes): Conditionalize code on
557 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
559 * doc/install.texi (Specific, avr): Fix cross-reference to the
560 main manual to work both for info and HTML versions.
562 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
564 * stmt.c (expand_null_return_1): Remove code to generate simple returns
565 and "use_goto" argument.
566 (expand_null_return, expand_value_return): Update all callers.
567 * function.c (expand_function_end): Remove code to generate simple
569 * config/vax/vax.md (epilogue): New expander for function return.
570 * doc/md.texi (epilogue): Remove "if defined".
572 2001-08-09 Zack Weinberg <zackw@stanford.edu>
574 * Makefile.in: Partially revert my previous change:
575 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
576 of the hashtab.o and safe-ctype.o rules.
578 2001-08-09 Richard Henderson <rth@redhat.com>
580 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
581 (USE_COLLECT2): Remove duplicate definition.
582 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
583 (use_collect2): Remove dead code.
584 * configure.in (use_collect2): Remove will_use_collect2 and
585 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
586 * configure: Rebuild.
588 * target.h (targetm.asm_out.constructor): New.
589 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
590 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
591 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
592 * varasm.c (in_ctors, in_dtors): New.
593 (assemble_constructor, assemble_destructor): Remove.
594 (default_stabs_asm_out_destructor): New.
595 (default_named_section_asm_out_destructor): New.
596 (dtors_section, default_dtor_section_asm_out_destructor): New.
597 (default_stabs_asm_out_constructor): New.
598 (default_named_section_asm_out_constructor): New.
599 (ctors_section, default_ctor_section_asm_out_constructor): New.
600 * output.h: Update declarations.
601 * c-decl.c (c_expand_body): Use target hooks instead of
602 assemble_constructor and assemble_destructor.
603 * profile.c (output_func_start_profiler): Likewise.
604 * objc/objc-act.c (finish_objc): Likewise.
605 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
607 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
609 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
610 (DTORS_SECTION_ASM_OP): Likewise.
611 (__CTOR_LIST__): Use attribute section when possible.
612 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
614 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
615 ASM_OUTPUT_CONSTRUCTOR.
617 * config/darwin.c (machopic_asm_out_constructor): New.
618 (machopic_asm_out_destructor): New.
619 * config/darwin-protos.h: Update declarations.
620 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
621 (ASM_OUTPUT_DESTRUCTOR): Remove.
622 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
623 * config/nextstep.c (nextstep_asm_out_constructor): New.
624 (nextstep_asm_out_destructor): New.
625 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
626 (ASM_OUTPUT_DESTRUCTOR): Remove.
627 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
628 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
629 ASM_OUTPUT_*STRUCTOR.
630 * config/i386/aix386ng.h: Likewise.
632 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
633 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
634 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
635 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
636 * config/lynx.h: Likewise.
637 * config/netware.h: Likewise.
638 * config/psos.h: Likewise.
639 * config/alpha/alpha-interix.h: Likewise.
640 * config/alpha/elf.h: Likewise.
641 * config/arc/arc.h: Likewise.
642 * config/arm/aof.h: Likewise.
643 * config/arm/coff.h: Likewise.
644 * config/arm/elf.h: Likewise.
645 * config/c4x/c4x.h: Likewise.
646 * config/h8300/h8300.h: Likewise.
647 * config/i386/cygwin.h: Likewise.
648 * config/i386/djgpp.h: Likewise.
649 * config/i386/i386-coff.h: Likewise.
650 * config/i386/i386-interix.h: Likewise.
651 * config/i386/sco5.h: Likewise.
652 * config/i386/vsta.h: Likewise.
653 * config/i386/win32.h: Likewise.
654 * config/i960/i960-coff.h: Likewise.
655 * config/ia64/sysv4.h: Likewise.
656 * config/m68hc11/m68hc11.h: Likewise.
657 * config/m68k/coff.h: Likewise.
658 * config/m68k/mot3300.h: Likewise.
659 * config/m88k/m88k.h: Likewise.
660 * config/mcore/mcore-pe.h: Likewise.
661 * config/mcore/mcore.h: Likewise.
662 * config/mips/elf.h: Likewise.
663 * config/mips/elf64.h: Likewise.
664 * config/mips/iris6.h: Likewise.
665 * config/pa/pa64-hpux.h: Likewise.
666 * config/rs6000/sysv4.h: Likewise.
667 * config/sh/sh.h: Likewise.
668 * config/sparc/litecoff.h: Likewise.
670 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
671 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
672 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
673 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
674 (ASM_OUTPUT_DESTRUCTOR): Remove.
675 * config/a29k/a29k.c: Move include of tree.h.
676 * config/a29k/udi.h: Delete file.
677 * config/alpha/alpha.c (vms_asm_out_constructor): New.
678 (vms_asm_out_destructor): New.
679 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
680 (EXTRA_SECTION_FUNCTIONS): Likewise.
681 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
682 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
683 * config/c4x/c4x.c: Move include of tree.h.
684 * config/clipper/clipper.c (clix_asm_out_constructor): New.
685 (clix_asm_out_destructor): New.
686 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
687 (ASM_OUTPUT_DESTRUCTOR): Remove.
688 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
689 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
690 (TARGET_ASM_CONSTRUCTOR): New.
691 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
692 (sco_asm_out_constructor): New.
693 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
694 * config/i386/svr3gas.h: Remove stack grows up code.
695 Remove code duplicated from i386/sysv3.h.
696 (TARGET_ASM_CONSTRUCTOR): New.
697 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
698 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
699 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
700 (TARGET_ASM_CONSTRUCTOR): New.
701 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
702 (m68hc11_asm_out_destructor): New.
703 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
704 (TARGET_ASM_DESTRUCTOR): New.
705 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
706 * config/m68k/dpx2.h: Properly undef all the bits inherited from
707 config/svr3.h pertaining to section manipulation.
708 * config/m68k/dpx2g.h: Remove #if 0 code.
709 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
710 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
711 (ASM_OUTPUT_CONSTRUCTOR): Remove.
712 (TARGET_ASM_CONSTRUCTOR): New.
713 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
714 (m88k_svr3_asm_out_constructor): New.
715 (m88k_svr3_asm_out_destructor): New.
716 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
717 (ASM_OUTPUT_DESTRUCTOR): Remove.
718 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
719 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
720 * config/rs6000/aix.h: Likewise.
721 * config/mips/rtems64.h: Don't undef removed constructor related bits.
722 * config/mips/vxworks.h: Likewise.
723 * config/rs6000/lynx.h: Likewise.
724 * config/sh/elf.h: Likewise.
725 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
726 (DTORS_SECTION_ASM_OP): New.
727 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
728 (ASM_OUTPUT_DESTRUCTOR): Remove.
729 * config/sparc/sol2-sld-64.h: Likewise.
730 * config/vax/vax.c (vms_asm_out_constructor): New.
731 (vms_asm_out_destructor): New.
732 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
733 (ASM_OUTPUT_DESTRUCTOR): Remove.
734 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
736 * doc/tm.texi (@node Initialization): Update.
738 2001-08-09 Richard Henderson <rth@redhat.com>
740 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
741 (__do_global_dtors_aux): Use gp-relative static data to avoid
742 one dynamic relocation.
743 (__do_frame_setup): Register Java classes.
744 * config/alpha/crtend.asm (__JCR_END__): New.
746 2001-08-09 Zack Weinberg <zackw@stanford.edu>
748 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
749 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
750 (GEN, STAGESTUFF): Add new files.
751 (insn-constants.h, s-constants, tm-preds.h, s-preds,
752 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
753 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
754 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
755 as well as insn-codes.h and insn-flags.h in config.h; and no
756 extra headers in tconfig.h and hconfig.h.
758 * gencodes.c: Eliminate code to generate predicate declarations
759 or #defines for md-file constants.
760 * genconstants.c, genpreds.c: New files.
762 * i386.md: Re-order guard expressions such that TARGET_64BIT
763 comes first, when this permits better optimization. Add
764 TARGET_64BIT to more x86-64 patterns. Add comment explaining
765 why this is desirable.
767 2001-08-09 Jakub Jelinek <jakub@redhat.com>
769 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
770 (find_fde_for_dso): Remove.
771 (_Unwind_IteratePhdrCallback): New.
772 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
773 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
775 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
777 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
778 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
780 2001-08-09 Graham Stott <grahams@redhat.com>
782 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
783 (vis_no_unit): Use it.
784 (visualize_no_unit): Add the insn only if room exists.
786 2001-08-09 Graham Stott <grahams@redhat.com>
788 * predict.c (estimate_probability): Replace magic numbers with
789 appropriate enumeration.
791 2001-08-09 Graham Stott <grahams@redhat.com>
793 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
795 (EXTRACT_FLAGS): Likewise.
797 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
799 * config/mips/mips.c (mips_legitimate_address_p): Check for
800 CONST_INT in last patch.
802 2001-08-08 Anthony Green <green@redhat.com>
804 * java/class.c (emit_register_classes): Use assemble_jcr if
805 possible. Keep the original mechanism as a fallback.
806 * defaults.h (JCR_SECTION_NAME): Define if we have named section
807 and weak symbol support.
808 * crtstuff.c (__JCR_LIST__): Define.
809 (__JCR_END__): Define.
810 (_Jv_RegiserClasses): Define weak symbol if possible.
811 (__do_global_ctors_aux): Register classes for ELF targets with
814 2001-08-08 Kazu Hirata <kazu@hxi.com>
816 * dbxout.c: Fix comment formatting.
817 * dependence.c: Likewise.
819 * diagnostic.c: Likewise.
820 * dominance.c: Likewise.
821 * doprint.c: Likewise.
822 * dwarf2out.c: Likewise.
823 * dwarfout.c: Likewise.
824 * emit-rtl.c: Likewise.
825 * except.c: Likewise.
826 * explow.c: Likewise.
827 * expmed.c: Likewise.
830 * fold-const.c: Likewise.
831 * function.c: Likewise.
833 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
835 * global.c (retry_global_alloc): Avoid shadowing allocno.
837 2001-08-08 Mark Mitchell <mark@codesourcery.com>
839 * except.c (remove_fixup_regions): Fix typo.
841 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
843 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
844 unsigned HOST_WIDE_INT to avoid warning.
845 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
846 * flow.c (set_block_for_new_insns): Likewise.
848 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * sibcall.c (return_value_pseudo): New static variable.
851 (skip_copy_to_return_value): Handle return_value_pseudo.
852 (call_ends_block_p): Ensure that return_value_pseudo is set.
853 (optimize_sibling_and_tail_recursive_call): Discover the
854 load of pseudo return value in alternate exit block.
856 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
858 * calls.c (ECF_ALWAYS_RETURN): New constant.
859 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
860 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
861 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
862 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
863 * rtl.c (reg_note_name): New name.
864 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
866 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
868 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
870 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
872 * alias.c (get_alias_set): Return a previously calculated
873 alias set for a VAR_DECL.
874 * function.c (gen_mem_addressof): Calculate the alias set before
877 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
879 * predict.def: Set hitrates according our experimental run.
881 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
883 * i386.h (HARD_REGNO_RENAME_OK): New macro.
885 2001-08-08 H.J. Lu <hjl@gnu.org>
887 * config/mips/mips.c (mips_unique_section): New. Copied from
890 * config/mips/mips-protos.h (mips_unique_section): New
893 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
895 * config/mips/little.h: New. Generic little endian mips
896 targets. Only mips*-*-linux* is converted to use it so far.
898 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
899 (WCHAR_TYPE): Defined
900 (WCHAR_TYPE_SIZE): Likewise.
901 (INIT_SUBTARGET_OPTABS): Likewise.
902 (BSS_SECTION_ASM_OP): Likewise.
903 (SBSS_SECTION_ASM_OP): Likewise.
904 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
905 (ASM_DECLARE_OBJECT_NAME): Likewise.
906 (UNIQUE_SECTION): Likewise.
907 (EXTRA_SECTIONS): Likewise.
908 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
909 (ASM_OUTPUT_DESTRUCTOR): Likewise.
910 (ASM_OUTPUT_DEF): Likewise.
911 (HANDLE_SYSV_PRAGMA): Removed.
912 (NO_IMPLICIT_EXTERN_C): Likewise.
913 (TARGET_MEM_FUNCTIONS): Likewise.
914 (STARTFILE_SPEC): Likewise.
915 (ENDFILE_SPEC): Likewise.
916 (LIB_SPEC): Likewise.
917 (INVOKE__main): Likewise.
918 (CTOR_LIST_BEGIN): Likewise.
919 (CTOR_LIST_END): Likewise.
920 (DTOR_LIST_BEGIN): Likewise.
921 (DTOR_LIST_END): Likewise.
922 (SET_ASM_OP): Likewise.
923 (ASM_OUTPUT_SOURCE_LINE): Likewise.
924 (ASM_OUTPUT_DEF): Likewise.
925 (ASM_OUTPUT_IDENT): Likewise.
927 * config/mips/mips.h (ASM_SPEC): Undefine before define.
928 (CPLUSPLUS_CPP_SPEC): Likewise.
929 (ASM_APP_ON) Redefine only if not defined.
930 (ASM_APP_OFF): Likewise.
931 (ASM_OUTPUT_SOURCE_LINE): Likewise.
932 (ASM_OUTPUT_IDENT): Likewise.
934 * config.gcc: Update tm_file for Linux/mips.
936 2001-08-08 Bernd Schmidt <bernds@redhat.com>
938 * cselib.c (cselib_record_sets): If insn is predicated, turn
939 sources into IF_THEN_ELSEs.
941 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
942 Turn into define_insn_and_split.
944 * sched-deps.c: Include "cselib.h".
945 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
946 Use cselib to turn memory addresses into VALUEs.
947 (sched_analyze): Call cselib_init/cselib_finish if necessary.
948 * sched-int.h (struct sched_info): New member USE_CSELIB.
949 * sched-ebb.c (ebb_sched_info): Initialize it.
950 * sched-rgn.c (rgn_sched_info): Likewise.
951 * Makefile.in (sched-deps.o): Update dependencies.
953 * cselib.h (cselib_subst_to_values): Declare.
954 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
955 that have no value and autoincs to be handled by generating a new
958 2001-08-08 Graham Stott <grahams@redhat.com>
960 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
961 within fixed length SEQUENCE.
963 2001-08-08 Graham Stott <grahams@redhat.com>
965 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
966 (diagnostic_prefixing_rule): Likewise.
967 (diagnostic_line_cutoff): Likewise.
968 (diagnostic_kind_count): Likewise.
970 2001-08-08 Graham Stott <grahams@redhat.com>
972 * alias.c (find_base_decl): Delete redundent assignment.
974 2001-08-08 Graham Stott <grahams@redhat.com>
976 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
977 (abs): Uppercase and paranthesize macro parameter.
978 (MEM_DEPENDENCY): Add whitespace.
980 2001-08-08 Graham Stott <grahams@redhat.com>
982 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
983 failure check for CONST_INT
985 2001-08-08 Graham Stott <grahams@redhat.com>
987 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
988 (libcall_dead_p): Likewise.
990 (mark_used_regs): Constify fmt.
991 (find_use_as_address): Likewise.
993 2001-08-08 Graham Stott <grahams@redhat.com>
995 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
998 2001-08-08 Graham Stott <grahams@redhat.com>
1000 * combine.c (combine_simplify_rtx): Update comment and
1001 remove erroneous test.
1003 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1005 * cppinit.c (cpp_finish): Pop the final buffer without comment.
1006 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
1007 take care to avoid multiple no-newline at EOF warnings in that
1010 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
1012 * calls.c (expand_call): Do not emit INSN_SETJMP note.
1013 (emit_library_call_value_1): Likewise.
1014 (emit_call_1): Emit REG_SETJMP note.
1015 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
1017 * cselib.c (cselib_process_insn): Likewise.
1018 * flow.c (propagate_block): Likewise.
1019 * loop.c (find_and_verify_loops): Likewise.
1020 * reload.c (find_equiv_regs): Likewise.
1021 * reload1.c (reload): Likewise.
1022 * resource.c (mark_referenced_resources,
1023 mark_set_resources): Likewise.
1024 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
1025 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
1026 * haifa-sched.c (unlink_other_notes): Likewise.
1027 (reemit_notes): Likewise.
1028 * sched-ebb.c (sched_ebb): Likewise.
1029 * sched-rgc.c (sched_region): Likewise.
1030 * rtl.c (note_insn_name): Likewise.
1031 (reg_note_name): Add REG_SETJMP
1032 * rtl.h (reg_note): Add REG_SETJMP.
1033 (insn_note): Remove NOTE_INSN_SETJMP.
1035 * profile.c (branch_prob): Add fake edges for setjmp.
1037 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
1039 * config.gcc: Quote target_cpu_default2 correctly for
1040 powerpc*-*-* targets.
1042 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1044 * cpplib.h, line-map.h: Update comments.
1045 * cppmain.c (printer_init): Move inline.
1046 (maybe_print_line, print_line): Take a map pointer.
1047 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1048 (cb_file_change): Don't use prior value of print.map.
1050 2001-08-07 David Edelsohn <edelsohn@gnu.org>
1052 * doc/install.texi: Document fine-grained multilib configuration.
1054 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 * rtlanal.c (find_first_parameter_load): Call note_stores
1057 only on the instructions.
1059 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1061 * alias.c (nonlocal_mentioned_p):
1062 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1063 * calls.c (emit_call_1): Likewise.
1064 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1065 * cselib.c (cselib_process_insn): Likewise.
1066 * df.c (df_insns_modify): Likewise.
1067 * flow.c (need_fake_edge_p): Likewise.
1068 (propagate_one_insn): Likewise.
1069 * haifa-sched.c (reemit_notes): Likewise.
1070 * integrate.c (copy_insn_list): Likewise.
1071 * jump.c (delete_prior_computation): Likewise.
1072 * local-alloc.c (validate_equiv_mem): Likewise.
1073 * loop.c (scan_loop): Likewise.
1074 * predict.c (estimate_probability): Likewise.
1075 * reload.c (reload): Likewise.
1076 * sched-deps (sched_analyze): Likewise.
1077 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1078 * gcse.c (compute_hash_table): Likewise.
1079 (mark_call): Likewise.
1080 (store_killed_in_insn): Likewise.
1082 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
1084 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1086 2001-08-06 Richard Henderson <rth@redhat.com>
1088 * varasm.c (assemble_gc_entry): Remove.
1089 * output.h: Likewise.
1091 2001-08-06 Richard Henderson <rth@redhat.com>
1093 * varasm.c (assemble_constructor): Take a symbol_ref and a
1094 priority instead of a bare string. Move priority handling
1095 here from cp/decl2.c.
1096 * output.h: Update decls.
1098 * c-decl.c (c_expand_body): Update calls to assemble_constructor
1099 and assemble_destructor.
1100 * profile.c (output_func_start_profiler): Likewise.
1101 * objc/objc-act.c (finish_objc): Likewise.
1102 (build_module_descriptor): Return the symbol not the symbol name.
1104 2001-08-06 David Edelsohn <edelsohn@gnu.org>
1106 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1107 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1108 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1109 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1110 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1111 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1113 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1115 * cpperror.c (print_containing_files): Moved to line-map.c.
1116 (print_location): line-map.c handles re-listing or otherwise.
1117 * cpphash.h (struct lexer_state): Remove next_bol.
1118 (struct cpp_buffer): Remove include_stack_listed.
1119 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1120 Remove faked buffer handling.
1121 (_cpp_do_file_change): Tweak.
1122 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1123 * cppmain.c (struct printer): Remove filename.
1124 (print_line, cb_file_change): Update accordingly.
1125 * line-map.c: Include intl.h.
1126 (init_line_maps): Initialize last_listed.
1127 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1128 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1129 (print_containing_files): New.
1130 * line-map.h (struct line_maps): New member last_listed.
1131 (print_containing_files, INCLUDED_FROM): New.
1132 * Makefile.in: Update.
1133 * po/POTFILES.in: Add line-map.c.
1135 2001-08-06 Richard Henderson <rth@redhat.com>
1137 * except.c (convert_from_eh_region_ranges_1): Never mark
1138 USE or CLOBBER insns as throwing.
1140 * expr.c (store_constructor): Don't clobber memory targets.
1142 2001-08-06 Andreas Jaeger <aj@suse.de>
1144 * profile.c (branch_prob): Remove unused variable insn.
1146 * Makefile.in (local-alloc.o): Add dependency on except.h.
1148 * local-alloc.c: Include except.h for can_throw_internal prototype.
1150 2001-08-06 Richard Henderson <rth@redhat.com>
1152 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1153 * function.c (expand_main_function): Implement it.
1154 * doc/tm.texi: Document it.
1156 2001-08-06 Stan Shebs <shebs@apple.com>
1158 * doc/install.texi: Document powerpc-*-darwin* details.
1160 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1162 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1163 (ASM_CPU_SPEC): Move back to rs6000.h
1164 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1166 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1168 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1171 * config/rs6000/linux64.h: Ditto.
1173 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1174 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1177 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1178 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1180 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1183 2001-08-05 Richard Henderson <rth@redhat.com>
1185 * local-alloc.c (update_equiv_regs): Do not move insns that
1188 2001-08-05 Jan Hubicka <jh@suse.cz>
1190 * Makefile.in (reload1.o): Add dedendancy on except.h
1191 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1193 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1194 indicating wehther edges has been cleaned up.
1195 * reload1.c: Inlucde except.h
1196 (fixup_abnormal_edges): Accept deleted insns.
1197 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1200 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1202 * cpplib.c (do_line): Correct line number after pop_buffer.
1204 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1206 PR preprocessor/3824
1207 * line-map.c: Update comments.
1208 * line-map.h: Update comments.
1209 * tradcif.y: Don't consider large numbers unsigned.
1211 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1213 PR preprocessor/3081
1214 * c-lex.c (map): New.
1215 (cb_file_change): Update map and use it.
1216 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1217 (c_lex): Update to use map.
1218 * cpperror.c (print_location): Move to using logical line numbers.
1219 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1220 (cpp_make_system_header): Similarly.
1221 (_cpp_execute_include): Stop line numbering hacks. Store the
1222 line we will return to.
1223 * cpphash.h (CPP_BUF_LINE): Remove.
1224 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1225 Add map and return_to_line.
1226 (_cpp_do_file_change): Update.
1227 * cppinit.c (cpp_start_read): Update line kludge.
1228 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1229 (trigraph_ok): Use logical line numbers for diagnostics.
1230 (skip_block_comment): Likewise.
1231 (skip_whitespace): Likewise.
1232 (skip_line_comment): Use pfile->line instead.
1233 (_cpp_lex_token): Update to use logical line numbering exclusively.
1234 Handle BOL locally. Accept new lines in directives, but keep
1235 pfile->line decremented. Diagnostics use logical lines. Update
1237 * cpplib.c (SEEN_EOL): New.
1238 (skip_rest_of_line, check_eol): Use it.
1239 (end_directive): Increase line number when accepting the newline
1240 at the end of a directive.
1241 (run_directive): Simplify.
1242 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1243 (_cpp_do_file_change): Update to take buffer line number as an
1244 argument, and store the current map in the cpp_reader. Remove
1245 line number kludges.
1246 (_cpp_do__Pragma): Restore output position after a _Pragma.
1247 (cpp_push_buffer): Don't set output line or lineno.
1248 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1249 Remove line kludge. Set output_line.
1250 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1251 (parse_arg): Use logical lines.
1252 (save_lookahead_token): Save EOFs too now.
1253 * cppmain.c (struct printer): Fix comments.
1254 (printer_init): Simplify, let caller do errors.
1255 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1256 (maybe_print_line): Simplify.
1257 (print_line): Don't print a linemarker if -P.
1258 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1259 (cb_file_change): Simplify.
1260 * line-map.h (LAST_SOURCE_LINE): Fix.
1261 (CURRENT_LINE_MAP): New.
1263 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1265 * doloop.c (doloop_modify_runtime): Properly compute number of
1266 iterations if loop was unrolled.
1268 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1269 if their CSELIB_VAL_PTRs are.
1271 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1272 (setup_spill_pointers): Initialize it.
1273 (spill_restore_mem): Set it.
1274 (do_spill, do_restore): Use it to add REG_INC note.
1275 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1277 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1278 asms if other insns are available.
1280 * config/ia64/ia64.c (condop_operator): New predicate.
1281 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1282 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1285 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1286 temporary register than directly using a MEM.
1288 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1290 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1291 parameter in last change.
1293 2001-08-04 Zack Weinberg <zackw@panix.com>
1295 * sparc.md: Don't use #if inside C test expression.
1297 2001-08-04 Richard Henderson <rth@redhat.com>
1299 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1301 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1303 * cpphash.h (struct cpp_reader): New member directive_line.
1304 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1305 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1306 do_pragma): Pass line to callbacks.
1307 (start_directive): Record line of directive.
1308 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1309 cb_include): Similarly.
1310 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1313 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1315 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1318 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1320 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1322 * reload1.c (fixup_abnormal_edges): New static function.
1325 * flow.c (need_fake_edge_p): New function.
1326 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1327 avoid call insn to be very last insn in the insn stream.
1329 * profile.c (branch_prob): Call flow_call_edges_add instead of
1330 doing that by hand; cleanup cfg to re-merge basic blocks once
1333 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1335 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1336 are also on line-map.h.
1337 * cppfiles.c (stack_include_file): Update.
1338 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1339 (_cpp_pop_buffer): New.
1340 * cppinit.c (cpp_destroy, cpp_finish): Update.
1341 (do_includes): Mark each buffer to return at EOF.
1342 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1343 return as requested.
1344 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1345 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1346 * cpplib.h (cpp_pop_buffer): Remove.
1347 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1348 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1350 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1352 (do_preprocessing): Update.
1353 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1354 * c-parse.in (_yylex): Similarly.
1355 * scan-decls.c (scan_decls): Similarly.
1356 * line-map.h: Update comments.
1358 * objc/Make-lang.in (objc-act.o): Update dependencies.
1360 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1362 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1363 and soft register for operand 0.
1364 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1366 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1368 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1369 register for operand 0.
1370 ("bitcmpqi_z_used"): Allow memory for operand 0.
1371 (split "bitcmpqi"): New split to handle address reg as operand 1.
1373 2001-08-04 Andreas Jaeger <aj@suse.de>
1375 * gcse.c: Revert Daniel's last patch.
1377 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1379 * sparc-protos.h: Add prototypes for fp_zero_operand and
1381 * sh-protos.h: Add prototype for fpul_operand.
1383 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1385 * doc/extend.texi (Other Builtins): Fix typo in last change.
1387 2001-08-03 Richard Henderson <rth@redhat.com>
1389 * target.h (gcc_target): Add asm_out.named_section,
1390 section_type_flags, have_named_sections.
1391 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1392 (TARGET_HAVE_NAMED_SECTIONS): New.
1393 (TARGET_SECTION_TYPE_FLAGS): New.
1395 * Makefile.in (toplev.o): Depend on TARGET_H.
1396 (varasm.o, dbxout.o): Likewise.
1397 * c-common.c (decl_attributes): Check targetm.have_named_sections
1398 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1399 * dbxout.c (dbxout_function_decl): Likewise.
1400 (dbxout_function_end): Likewise.
1401 * toplev.c (compile_file): Likewise.
1402 * varasm.c (exception_section): Likewise.
1403 * cp/decl2.c (finish_objects): Likewise.
1405 * defaults.h (EH_FRAME_SECTION): Remove.
1406 (EH_FRAME_SECTION_ASM_OP): Remove.
1407 (EH_FRAME_SECTION_NAME): New.
1408 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1409 (UNIQUE_SECTION_P): Remove.
1410 * dwarf2out.c (SECTION_FORMAT): Remove.
1411 (ASM_OUTPUT_SECTION): Remove.
1412 (output_call_frame_info): Use named_section_flags.
1413 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1414 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1415 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1416 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1417 (named_section_flags): New.
1418 (named_section): Use it and targetm.section_type_flags.
1419 (resolve_unique_section): New.
1420 (assemble_start_function): Use it.
1421 (asm_emit_uninitialised, assemble_variable): Likewise.
1422 (default_section_type_flags): New.
1423 (default_no_named_section, default_elf_asm_named_section): New.
1424 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1425 * output.h: Update varasm.c decls.
1426 (SECTION_*): New flags.
1428 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1429 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1431 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1432 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1433 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1434 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1435 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1436 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1437 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1438 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1439 * config/pa/pa64-hpux.h,
1441 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1442 (TARGET_ASM_NAMED_SECTION): New.
1443 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1444 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1445 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1446 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1447 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1448 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1449 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1450 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1451 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1452 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1453 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1454 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1455 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1456 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1457 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1458 * config/sparc/sysv4.h: Likewise.
1460 * config/nextstep.h: Error until named sections implemented.
1462 * config/a29k/a29k.c (a29k_asm_named_section): New.
1463 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1464 (vms_section_type_flags, vms_asm_named_section): New.
1465 * config/arm/arm.c (arm_elf_asm_named_section): New.
1466 * config/avr/avr.c (asm_output_section_name): Remove.
1467 * config/avr/avr-protos.h: Update.
1468 * config/c4x/c4x.c (c4x_asm_named_section): New.
1469 * config/h8300/h8300.c (h8300_asm_named_section): New.
1470 * config/i386/i386.c (sco_asm_named_section): New.
1471 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1472 (i386_pe_section_type_flags): New.
1473 (i386_pe_asm_named_section): New.
1474 * config/i386/i386-protos.h: Update.
1475 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1476 * config/mcore/mcore.c (mcore_asm_named_section): New.
1477 * config/mips/mips.c (iris6_asm_named_section): New.
1478 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1479 instead of UNIQUE_SECTION_P.
1480 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1481 (xcoff_asm_named_section): New.
1482 * config/sh/sh.c (sh_asm_named_section): New.
1483 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1485 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1486 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1487 (EH_FRAME_SECTION_NAME): New.
1488 (EXCEPTION_SECTION): New.
1489 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1490 (DEBUG_*_SECTION): Remove.
1491 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1492 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1493 (EH_FRAME_SECTION_ASM_OP): Remove.
1495 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1496 (ASM_OUTPUT_SECTION_NAME): Remove.
1497 (TARGET_ASM_NAMED_SECTION): New.
1498 (TARGET_HAVE_NAMED_SECTIONS): New.
1499 (TARGET_SECTION_TYPE_FLAGS): New.
1500 (EH_FRAME_SECTION_ASM_OP): Remove.
1501 (EH_FRAME_SECTION_NAME): New.
1503 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1505 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1506 for complex expressions when cfun == 0.
1507 * doc/extend.texi: Document that __builtin_constant_p can be
1508 used in data initializers as well as functions.
1510 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1512 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1513 variable I locally, instead of expecting a declaration in the
1516 2001-08-03 Richard Henderson <rth@redhat.com>
1518 * except.c (collect_one_action_chain): Add an explicit cleanup
1519 action if regions surrounding a catch were encoded entirely
1520 within the call-site entry.
1522 2001-08-03 Richard Henderson <rth@redhat.com>
1524 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1525 don't take REGNO of a non-register.
1527 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1529 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1530 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1531 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1532 (__gthread_mutex_init_function): New function for mutex initialization.
1534 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1536 * Makefile.in: Revert screwed up commit.
1538 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1540 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1541 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1542 merged by linker script to get a final _exit().
1543 (__do_global_dtors): New for destructor handling in specific exit
1545 (__do_global_ctors): New for constructors in specific install section.
1546 (__map_data_section): Map data sections before running constructors.
1547 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1548 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1549 (DTORS_SECTION_ASM_OP): Likewise.
1550 (CTORS_SECTION_FUNCTION): Define to force a reference to
1552 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1554 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1556 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1558 * Makefile.in: Add df.h to gcse.c dependencies.
1560 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1562 * varasm.c (output_constant_def_contents): Use for the length of a
1563 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1564 depending on which is larger.
1566 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1568 * gcse.c: Include df.h for use as a dataflow analyzer.
1570 Declaration of reg_set_info: gone.
1571 New df_analyzer variable used by store motion.
1572 (reg_set_info): Deleted.
1573 (mark_mem_regs): New function, analyze regs used by a mem.
1574 (store_ops_ok): Use dataflow analyzer results to determine if
1575 necessary regs are changed in the block.
1576 (find_moveable_store): Remove check for symbol ref, we can handle
1577 much more complex expressions now.
1578 (compute_store_table): Remove most of the code, it's unnecessary
1579 now that the dataflow analyzer records the info for us.
1580 (store_killed_after): Add parameter to say whether to do the
1581 store_ops_okay test, used to speed up testing when we already know
1582 the answer, and just want to know if the store itself was killed.
1583 (build_store_vector): Largely rewritten to calculate the various
1584 vectors properly, and somewhat optimized.
1585 (store_motion): Init the df_analyzer, get REG_DEF chains.
1586 Also handle trapping expressions (since mems almost always trap)
1587 (simple_mem): Redefine what a simple mem is.
1589 2001-08-03 DJ Delorie <dj@redhat.com>
1591 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1592 set from a constant part of the condition.
1594 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1596 * mkdeps.c (deps_add_default_target): Make local variable
1597 ``start'' a const char pointer.
1598 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1600 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1602 * doc/install.texi (Configuration): Fix markup.
1603 (Specific, i?86-*-udk): Likewise.
1604 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1606 Document --enable-threads and --enable-libgcj status.
1607 (Specific, mips-sgi-irix*): Canonicalize triples.
1608 (Specific, mips-sgi-irix5): Warn about problems with this config.
1609 Mention required GNU as patch.
1610 Native assembler problems are fixed.
1611 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1612 Document --enable-threads and --enable-libgcj status.
1614 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1616 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1619 2001-08-03 Richard Henderson <rth@redhat.com>
1621 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1624 2001-08-03 Richard Henderson <rth@redhat.com>
1626 * rtlanal.c (find_first_parameter_load): Stop if we
1627 reach a CODE_LABEL at BOUNDARY.
1629 2001-08-03 Richard Henderson <rth@redhat.com>
1631 * config/alpha/alpha.md (force_movdi): New insn.
1632 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1633 Tweek FRP marking of VMS prologue insns.
1634 * config/alpha/vms.h (EPILOGUE_USES): New.
1636 2001-08-02 Richard Henderson <rth@redhat.com>
1638 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1640 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1642 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1643 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1644 config/convex/convex.h, config/d30v/d30v.c,
1645 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1646 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1647 config/mips/mips.h, config/mn10200/mn10200.h,
1648 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1649 config/v850/v850.h, config/vax/openbsd.h,
1650 config/vax/openbsd1.h, config/vax/ultrix.h,
1651 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1652 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1653 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1654 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1655 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1656 in comments and documentation.
1658 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1662 * Makefile.in (line-map.o): New.
1663 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1664 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1665 * cpperror.c (print_containing_files): Similarly.
1666 (print_location): Update. Don't output a space before _Pragma.
1667 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1668 (stack_include_filee, cpp_make_system_header): Update.
1669 (_cpp_execute_include): Get logical line number right for calling
1670 as-yet-unterminated #include.
1671 * cpphash.h (struct cpp_reader): Add line_maps.
1672 (_cpp_do_file_change): Update.
1673 * cppinit.c (cpp_create_reader): Initialize line maps.
1674 (cpp_destroy): Destroy line maps.
1675 (cpp_start_read): Get logical line number right.
1676 * cpplex.c (parse_string): Only warn once for multi-line strings.
1677 Use boolean variable for null warning.
1678 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1680 (do_include_common): End the directive early.
1681 (do_line): Don't warn about out-of-range lines in preprocessed
1682 source. Update. Remove unused variables.
1683 (_cpp_do_file_change): Update for new line mapping.
1684 (pragma_cb): New typedef.
1685 (cpp_register_pragma): Stop looking ahead before calling the
1687 (do_pragma_system_header): End directive early.
1688 (cpp_get_line_maps): New.
1689 (cpp_pop_buffer): Fudge logical line. Update.
1690 * cpplib.h: Include line-map.h
1691 (enum cpp_fc_reason): Remove.
1692 (struct cpp_file_change): Update.
1693 (cpp_get_line_maps): New.
1694 * cppmain.c (struct_printer): New member map.
1695 (cb_file_change): Update for new mappings.
1696 * fix-header.c (cb_file_change): Similarly.
1698 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1700 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1701 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1703 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1705 * config/vax/vax.c: include expr.h.
1707 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1709 * Makefile.in ($(srcdir)/configure): Only rebuild in
1711 ($(srcdir)/config.in): Only define in maintainer mode.
1712 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1714 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1716 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1718 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1720 * gcc.c (set_collect_gcc_options): New function, split out from
1722 Ignore elided switches.
1723 (do_spec_1): Invoke before executing command.
1724 (set_input): Export.
1725 Move declaration ...
1726 * gcc.h (set_input): ... here.
1727 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1730 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1733 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1735 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1737 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1739 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1740 for the unnamed instructions it expands to.
1742 2001-08-02 Richard Henderson <rth@redhat.com>
1744 * regclass.c (call_really_used_regs): Conditionally define.
1745 (init_reg_sets_1): Don't use it if not defined.
1746 (fix_register): Similarly, don't set it.
1748 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1750 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1751 Correct comment that had been missed in the previous change.
1753 2001-08-01 Stan Shebs <shebs@apple.com>
1755 * config/darwin.c (machopic_stub_name): Try matching by name.
1756 (update_stubs): New function.
1757 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1760 2001-08-01 Richard Henderson <rth@redhat.com>
1762 * except.c (output_function_exception_table): Use assemble_align.
1763 * varasm.c (assemble_eh_label): Remove.
1764 (assemble_eh_align, assemble_eh_integer): Remove.
1766 2001-08-01 Robert Lipe <robertl@caldera.com>
1768 * dwarfout.c: Remove reference to README.DWARF.
1770 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1772 * regclass.c (call_really_used_regs): New array for registers which
1773 are actually used by a call.
1774 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1776 (fix_register): Set call_really_used too.
1777 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1778 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1780 2001-08-01 Richard Henderson <rth@redhat.com>
1782 * read-rtl.c (read_name): Consider \r whitespace.
1784 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1786 * config.gcc: Recognize powerpc-*-netbsd*.
1788 * doc/install.texi (Host/target specific installation notes for
1789 GCC): Mention powerpc-*-netbsd*.
1791 * config/rs6000/netbsd.h: New file.
1792 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1793 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1794 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1795 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1796 (TARGET_VERSION): Redefine.
1798 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1799 mcall-netbsd as a match for mcall-sysv.
1800 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1801 (ncrti.S, ncrtn.S): New targets.
1802 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1804 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1805 "netbsd' as a V4 ABI.
1806 (ASM_SPEC): Check for -mcall-netbsd.
1807 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1808 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1809 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1810 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1811 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1812 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1813 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1815 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1816 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1818 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1820 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1821 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1822 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1823 including "unwind-pe.h".
1825 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1827 * rs6000.md (define_splits): Kill unused constraints.
1829 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1830 Jan Hubicka <jh@suse.cz>
1832 * function.c (thread_prologue_and_epilogue_insns): Kill code
1833 dealing with non-existent CFG.
1835 2001-08-01 Kazu Hirata <kazu@hxi.com>
1837 * alias.c: Fix comment formatting.
1838 * bitmap.c: Likewise.
1839 * builtins.c: Likewise.
1840 * calls.c: Likewise.
1841 * c-common.c: Likewise.
1842 * c-decl.c: Likewise.
1843 * c-dump.c: Likewise.
1844 * c-lex.c: Likewise.
1845 * collect2.c: Likewise.
1846 * combine.c: Likewise.
1847 * conflict.c: Likewise.
1848 * cppfiles.c: Likewise.
1849 * cppinit.c: Likewise.
1850 * cpplex.c: Likewise.
1851 * cpplib.c: Likewise.
1852 * cppmacro.c: Likewise.
1853 * cppspec.c: Likewise.
1854 * c-pragma.c: Likewise.
1855 * crtstuff.c: Likewise.
1857 * cselib.c: Likewise.
1858 * c-semantics.c: Likewise.
1859 * c-typeck.c: Likewise.
1861 2001-08-01 H.J. Lu <hjl@gnu.org>
1863 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1865 2001-08-01 H.J. Lu <hjl@gnu.org>
1867 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1869 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1871 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1872 contextualizing Objective-C class name lookup by the lexer.
1873 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1875 (protocoldef): Add support for forward @protocol declarations.
1876 (yylexname): Suppress ObjC class name lookup in certain contexts;
1877 re-enable after lookup is complete.
1878 (_yylex): Re-enable ObjC class name lookup when certain
1879 punctuation marks are seen.
1881 * objc/objc-act.c (check_protocol_recursively): New function used
1882 for finding circular dependencies in protocols.
1883 (objc_declare_protocols): New function for handling forward
1884 @protocol declarations.
1885 (receiver_is_class_object): Detect the case when 'self' is used
1886 inside of a class method.
1887 (build_message_expr): Issue a warning if class method is desired
1888 but instance method is found instead.
1889 (conforms_to_protocol): Streamline.
1890 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1891 protocol Foo, even if 'Bar foo' does not.
1892 (check_protocols): Streamline.
1893 (start_protocol): Add checks for circular and duplicate protocol
1895 (encode_aggregate_within): For typedefs of structs, encode the
1897 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1898 (objc_declare_protocols): New prototype.
1900 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1902 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1903 * cpplex.c (handle_newline): Update prototype. Maintain logical
1905 (skip_escaped_newlines, skip_block_comment, parse_string):
1907 (_cpp_lex_token): Update, and store token position within the token.
1908 * cpplib.h (struct cpp_token): Add line and column entries.
1909 * cppmacro.c (replace_args): Position stringified tokens correctly.
1911 2001-08-01 Andreas Jaeger <aj@suse.de>
1913 * basic-block.h: Add prototype for last_loop_beg_note.
1915 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1917 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1918 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1920 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1921 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1922 expand_decl_cleanup.
1923 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1925 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1926 operand while calling simple_cst_equal.
1927 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1928 operand is the cleanup expression, the third is the RTL_EXPR.
1929 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1931 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1933 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1935 2001-07-31 matthew green <mrg@eterna.com.au>
1937 * config.gcc (i386-*-netbsdelf): New description.
1938 * config/i386/netbsd-elf.h: New file.
1940 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1942 * loop.c (check_dbra_loop): Use single_set to compute
1945 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1947 PowerPC reorg and support for powerpc64-*-linux*.
1949 Also fixes emitting of constants on 32 bit and 64 bit
1952 * config.gcc: powerpc64-*-linux* is a new target.
1953 Things that needed aix.h now also include xcoff.h
1955 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1957 Move AIX specific stuff into aix.h.
1958 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1959 with more than just XCOFF now.
1960 (SET_ASM_OP): Remove, now defined where needed.
1961 (FUNCTION_PROLOGUE): New macro definition.
1962 (FUNCTION_EPILOGUE): New macro definition.
1963 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1965 * config/rs6000/xcoff.h: New file.
1967 * config/rs6000/linux64.h: New file.
1969 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1971 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1973 * rs6000.c (print_operand_address): Handle ELF syntax.
1974 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1975 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1976 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1978 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1980 * rs6000.c (rs6000_override_options): Only disable
1981 flag_function_sections for XCOFF.
1982 (exact_log2_cint_operand): New predicate.
1983 (reg_or_{add,sub}_cint64_operand): New predicates.
1984 (add_operand): Compare CONST_INT with fewer function calls.
1985 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1986 (print_operand, case 'p'): Ensure positive operand.
1987 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1988 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1989 (PREDICATE_CODES): Add new predicates.
1990 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1991 (divsi3, modsi3): Ensure positive power-of-2.
1992 (adddi3): Use new predicate. Split 32-bit constants more
1993 correctly. Re-arrange splitter to handle any constant.
1994 (subdi3): Use new predicate.
1995 (divdi3, moddi3): Ensure positive power-of-2.
1996 (movdi): Use rs6000_emit_set_const.
1997 (load_toc_v4_pic_di): Delete.
1999 2001-07-31 Graham Stott <grahams@redhat.com>
2001 * function.c (pad_below): Revert 2001-07-26 patch.
2003 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2005 * reg-stack (convert_regs_1): Fix best edge condition.
2007 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2009 * jump.c (duplicate_loop_exit_test): Better test for jumps
2010 entering the loop; create loop pre_header.
2012 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
2014 * doc/install.texi: Add s390 and s390x as new targets.
2015 * doc/invoke.texi: Add documantation of S/390 and zSeries
2017 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
2019 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2021 * config/m68k/m68k.md: Replace all general_operand with
2022 nonimmediate_operand for all destinations.
2023 * config/m68k/m68k.c (not_sp_operand): Likewise.
2025 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
2027 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
2029 2001-07-30 Richard Henderson <rth@redhat.com>
2031 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2032 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2034 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2036 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2037 Add missing doc strings
2038 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2039 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2041 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2043 * i386.c (ix86_output_main_function_alignment_hack): New function.
2044 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2046 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2047 edges by EDGE_DFS_BACK flag.
2048 (dump_edge_info): Add dfs_back flag.
2049 * basic-block.h (EDGE_DFS_BACK): New constant.
2050 (mark_dfs_back_edges): Declare.
2051 * alias.c (loop_p): Remove.
2052 (mark_constant_function): Use mark_dfs_back_edges.
2054 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2055 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2056 (compensate_edge): Break out from ...
2057 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2058 (convert_regs_2): Set block_done once block is really done;
2059 Do updating of the predecesors counts.
2061 * toplev.c (rest_of_compilation): Recompute block_for_insn
2062 before post-reload cfg_cleanup.
2063 * function.c (thread_prologue_epilogue_insns):
2064 Call set_block_for_new_insns when emitting prologue directly.
2066 2001-07-30 Andreas Jaeger <aj@suse.de>
2068 * jump.c: Add prototype for mark_modified_reg.
2070 * cse.c (set_live_p): Add unused attribute.
2072 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2074 (scan_for_source_files): Use long for count to avoid overflow.
2075 (output_data): Likewise.
2076 (output_data): Don't use string concatatenation to silence gcc
2079 * predict.c: Fix typos and grammar.
2081 * gcse.c (insert_insn_end_bb): Remove unused variables.
2083 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2085 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2086 (attempt_auto_inc): LIkewise.
2087 (mark_used_reg): Likewise.
2088 (try_pre_increment_1): Likewise.
2089 * regclass.c (regclass): Likewise.
2090 * global.c (allocno_compare): Update comment; change scaling factor.
2091 * local-alloc.c (QTY_CMP_PRI): Likewise.
2092 * regs.h (REG_FREQ_FROM_BB): New.
2093 (REG_FREQ_MAX): Likewise.
2095 2001-07-30 H.J. Lu <hjl@gnu.org>
2097 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2100 2001-07-30 H.J. Lu (hjl@gnu.org)
2102 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2103 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2104 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2106 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
2108 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2109 as -mthumb-interwork when -mcpu=arm7 is specified.
2111 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2113 * predict.def (noreturn, loop branch, loop exit): Mark as first
2116 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
2118 * combine.c (try_combine): Avoid barrier after noop jumps.
2120 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2122 * cpphash.h (struct cpp_reader): Remove import_warning.
2123 * cpplib.c (skip_rest_of_line): Don't bother turning off
2125 (parse_include): Move include handling to...
2126 (do_include_common): ... here. Move import warning from...
2127 (do_import): ... here.
2128 (do_pragma_poison): Don't do a callback for poison identifiers.
2129 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2130 * cppmain.c (setup_callbacks): Similarly.
2132 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2134 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2135 handle multiple sets.
2136 * except.c (sjlj_mark_call_sites): .... here.
2137 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2139 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2141 Suggested by Richard Henderson and Richard Kenner:
2142 * combine.c (recog_for_combine): Use the fake recog
2143 only if instruction does not match.
2144 * rtl.h (NOOP_MOVE_INSN_CODE): New.
2145 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2147 * combine.c (try_combine): Discover noop jump as direct jump.
2149 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
2151 * df.c (df_rd_global_compute): Add successors to worklist, not
2153 (df_ru_global_compute): Ditto.
2155 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2157 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2158 increment REG_N_SETS.
2160 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2162 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2164 * sbitmap.c (sbitmap_a_xor_b): New function.
2165 ifdef the basic block stuff on IN_GCC.
2167 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2169 * cppexp.c (parse_defined): Always record the macro name.
2170 (lex): Don't worry about identifiers, or special-case
2172 (_cpp_parse_expr): Figure out at the end of the routine
2173 whether we saw a valid !defined() expression.
2174 * cppfiles.c (stack_include_file): Update for mi_valid.
2175 (_cpp_pop_file_buffer): Similarly.
2176 * cpplex.c (_cpp_lex_token): Similarly.
2177 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2178 mi_if_not_defined, mi_lexed): Remove.
2180 * cpplib.c (do_if): Simplify.
2181 (do_endif, push_conditional, _cpp_handle_directive): Update
2182 for renaming of mi_state to mi_valid.
2184 * cpp.texi: Add index entries for digraphs, and add comment
2185 that C++ refers to them as alternative tokens.
2187 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2189 * basic-block.h (CLEANUP_PRE_LOOP): New.
2190 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2191 * sibcall.c (optimize_sibling_calls): Likewise.
2192 * toplev.c (rest_of_compilation): Likewise.
2193 * flow.c (try_forward_edges): Take argument MODE;
2194 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2195 (try_optimize_cfg): Update call of try_forward_edges.
2197 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2198 Jan Hubicka <jh@suse.cz>
2200 * (validate_replace_rtx_1): Fix simplification of MINUS.
2202 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2204 PR preprocessor/3669
2205 * cppinit.c (init_dependency_output): Turn off dump requests
2206 if sending dependencies to stdout.
2208 2001-07-28 Richard Henderson <rth@redhat.com>
2210 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2213 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2215 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2217 2001-07-28 Kazu Hirata <kazu@hxi.com>
2219 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2220 is VAR_DECL first to prevent an ICE.
2222 2001-07-28 Richard Henderson <rth@redhat.com>
2224 * varasm.c (immed_real_const_1): Don't elide special cases for
2226 (clear_const_double_mem): Clear const_tiny_rtx too.
2228 2001-07-28 Richard Henderson <rth@redhat.com>
2230 * dwarf2out.c (dw_val_class_offset): New.
2231 (struct dw_ranges_struct, dw_ranges_ref): New.
2232 (ranges_table, ranges_table_allocated): New.
2233 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2234 (add_AT_offset, add_ranges, output_ranges): New.
2235 (print_die, output_die): Handle dw_val_class_offset.
2236 (attr_checksum, size_of_die, value_format): Likewise.
2237 (gen_lexical_block_die): Handle non-contiguous blocks.
2238 (gen_block_die): Likewise.
2239 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2240 if needed. Dump the ranges table.
2241 * final.c (final_start_function): Remove unnecessary notes and
2242 rebuild the block tree before numbering the blocks.
2243 * function.c (reorder_blocks_0): Walk the existing block tree
2244 to unmark all blocks.
2245 (reorder_blocks_1): Create block fragments when duplicate block
2247 (reorder_fix_fragments): New.
2248 (reorder_blocks): Call it.
2249 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2251 2001-07-28 Richard Henderson <rth@redhat.com>
2253 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2255 2001-07-28 Richard Henderson <rth@redhat.com>
2257 * flow.c (add_to_mem_set_list): New function.
2258 (init_propagate_block_info): Use it.
2259 (mark_set_1): Likewise.
2260 (insn_dead_p): Canonicalize memory address for dead store
2261 comparison. Allow wider mode stores to kill narrower mode stores.
2262 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2263 (invalidate_mems_from_set): Don't handle MEMs.
2265 2001-07-28 Kazu Hirata <kazu@hxi.com>
2267 * config/h8300/h8300.h: Fix formatting.
2269 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2271 * basic-block.h (EDGE_FREQUENCY): New macro.
2272 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2274 * flow.c (find_sub_basic_blocks): Likewise.
2275 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2276 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2278 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2279 (HITRATE): New macro.
2280 (PRED_FLAG_FIRST_MATCH): New constant.
2281 (predictor_info): New field flgags.
2282 (combine_predictions_for_insn): Use DS theory to combine
2283 probabilities; set the edge probabilities when finished.
2284 (estimate_probability): Avoid duplicated matches
2285 of LOOP_BRANCH heuristics for nested loops; update comment.
2286 * predict.def: Add flags for each prediction, set probabilities
2287 according to B&L paper.
2288 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2290 * profile.c (compute_branch_probabilities): Cleanup way the edge
2291 probabilities are computed and REG_BR_PROB notes are dropped; if
2292 values does not match, emit error.
2293 (init_branch_prob): Do error instead of warning when profile driven
2294 feedback is missing or corrupt.
2296 2001-07-27 DJ Delorie <dj@redhat.com>
2298 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2299 against a constant, try to adjust the compare to have the desired
2300 constant in it so that min/max optimizations happen more often.
2302 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2304 * flow.c (last_loop_beg_note): New function.
2305 (redirect_edge_and_branch): Use it.
2306 (split_edge): Likewise.
2308 * alias.c (loop_p): Avoid uninitialized memory access.
2310 * flow.c (try_forward_edges): Avoid accessing freed memory.
2312 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2315 2001-07-26 Andrew Haley <aph@redhat.com>
2316 Joern Rennecke <amylaar@redhat.com>
2318 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2319 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2320 (SUBTARGET_CPP_SPEC): New.
2322 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2323 (SUBTARGET_CPP_PTR_SPEC): New.
2324 (CPP_DEFAULT_CPU_SPEC): New.
2325 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2326 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2327 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2328 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2329 (SUBTARGET_CPP_SPEC): Define as an empty string.
2331 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2333 * doc/install.texi (Configuration): Properly link the host
2334 specific instructions also when generating HTML.
2336 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2338 * flow.c (redirect_edge_and_branch_force): Test
2339 target->global_live_at_start.
2341 2001-07-26 Richard Henderson <rth@redhat.com>
2343 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2344 * rtl.h (avoid_constant_pool_reference): Declare it.
2345 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2346 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2348 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2350 * rtl.h (cleanup_barriers): Declare.
2351 * jump.c (cleanup_barriers): New function.
2352 * toplev.c (rest_of_compilation): Call cleanup_barriers
2353 before loop optimizer and after bb_reorder.
2355 * flow.c (back_edge_of_syntactic_loop_p): New.
2356 (split_edge): Use it.
2358 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2360 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2362 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2364 * cse.c (cse_process_notes): Replace any registers if the address
2367 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2369 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2370 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2371 (propagate_block): Update prototype.
2372 * flow.c (update_life_info): Simplify the CFG and
2373 recalculate the global regs which are alive when
2374 removing dead code during a global update.
2375 (propagate_block): Return non-zero if an INSN is
2378 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2380 * Makefile.in (LIBICONV): Define.
2382 2001-07-26 Catherine Moore <clm@redhat.com>
2384 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2385 of conditional to avoid tree checking errors.
2387 2001-07-26 Kazu Hirata <kazu@hxi.com>
2389 * regmove.c (regmove_optimize): Don't replace a reg with
2390 another reg of a different mode.
2392 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2394 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2395 limit length of dependancy flush list.
2396 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2397 * sched-int.h (struct deps): Add pending_flush_length field.
2398 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2399 has 1 element in it.
2400 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2401 (sched_analyze): After a jump, if the pending memory flush list is too
2402 large, flush the pending lists.
2403 (init_deps): Initialize pending_flush_length to 0.
2404 * doc/invoke.texi (max_pending_list_length): Document parameter.
2406 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2408 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2409 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2410 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2412 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2414 * cpphash.h (struct_lexer_state): Delete was_skipping.
2415 Move skipping here from struct cpp_reader.
2416 * cpplex.c (parse_identifier): Update.
2417 (_cpp_lex_token): Don't skip tokens in a directive.
2418 * cpplib.c (struct if_stack): Update.
2419 (start_directive, end_directive): Don't change skipping state.
2420 (_cpp_handle_directive): Update.
2421 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2422 (do_else, do_endif): Update; only check for excess tokens if not
2423 in a skipped conditional block.
2424 (push_conditional): Update for new struct if_stack.
2426 2001-07-26 Graham Stott <grahams@redhat.com>
2428 * function.c (locate_and_pad_parm): Also pad initial offset
2429 so that the total argument size also includes the padding.
2431 2001-07-26 Graham Stott <grahams@redhat.com>
2433 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2434 change XSTR to XTMPL.
2436 (process_one_cond_exec): Likewise
2438 2001-07-25 Richard Henderson <rth@redhat.com>
2440 * varasm.c (assemble_variable): Create DECL_RTL before setting
2443 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2445 * predict.c (estimate_probability): Avoid duplicated predictions.
2447 * loop.c (find_and_verify_loops): Grok multiple barriers.
2449 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2451 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2453 * dbxout.c: Consistently use putc instead of fputc.
2454 (print_wide_int): New function; call instead of direct fprintf.
2455 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2456 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2457 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2458 (print_int_cst_octal): Likewise.
2459 (print_octal): Show we wrote characters.
2460 (dbxout_type): Set have_used_extensions in more places.
2462 2001-07-25 Catherine Moore <clm@redhat.com>
2464 * config/v850/v850.c (v850_va_arg): Use addr
2465 instead of valist to build incr.
2467 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2469 * flow.c (delete_dead_jumptables): New function.
2470 (life_analyzis): Call it.
2471 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2474 2001-07-25 Richard Henderson <rth@redhat.com>
2476 * except.c (reachable_handlers): Handle a region being removed
2477 out from under a RESX.
2479 2001-07-25 Richard Henderson <rth@redhat.com>
2481 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2482 swap GE/GT if it is an fp comparison.
2484 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2486 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2489 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2491 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2492 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2495 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2497 (visit_expression): When attempting to simplify an expression,
2498 retrieve any modes for arguments before they are simplified
2501 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2502 Janis Johnson <janis@us.ibm.com>
2504 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2505 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2506 pointer parameters to match documented usage of nonlocal_goto.
2507 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2508 parameters to their correct order.
2509 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2510 parameters to their correct order.
2512 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2514 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2516 2001-07-25 Jan Hubicka <jh@suse.cz>
2517 Richard Henderson <rth@redhat.com>
2519 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2521 (make_edges): New argument update_p; populate the edge cache if set.
2522 (find_basic_blocks): Update make_edges invocation.
2524 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2526 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2528 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2530 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2531 -Acpu and -Amachine.h.
2532 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2533 Corrected header to say ELF not a.out.
2534 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2535 when given -msoft-float.
2537 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2539 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2540 extra multilib parts like arm-elf.
2541 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2542 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2543 crtfini.o as extra multilib parts.
2545 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2547 * configure.in: Add rtems as a supported thread model.
2548 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2549 * configure: Rebuilt.
2551 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2553 * stor-layout.c (get_mode_alignment): make it work when
2554 BITS_PER_UNIT is not a power of two.
2555 * builtins.c (get_pointer_alignment): Likewise.
2557 2001-07-24 Richard Henderson <rth@redhat.com>
2559 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2560 the retrieved constant into the expected mode.
2562 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2564 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2565 (verify_flow_info): Check for duplicated edges; clarify
2568 * flow.c (block_label): Update basic_block_for_insn.
2569 (commit_edge_insertions): Call compute_bb_for_insn.
2571 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2574 * flow.c (redirect_edge_and_branch,
2575 try_optimize_cfg): Use redirect_edge_succ_nodup
2576 (redirect_edge_succ_nodup): New.
2577 * basic_block.h (redirect_edge_succ_nodup): Declare.
2579 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2582 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2584 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2585 (try_crossjump_to_edge): Update commetns.
2586 (try_crossjump_bb): Likewise.
2588 2001-07-24 Richard Henderson <rth@redhat.com>
2590 * combine.c (distribute_notes): Move set of need_refresh
2591 for noop_move_p down to catch all cases.
2593 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2595 * recog.c (split_all_insns_noflow): New.
2596 * rtl.h (split_all_insns_noflow): Declare.
2597 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2598 * m68hc11.c (m68hc11_reorg): Likewise.
2599 * sh.c (machine_dependent_reorg): Likewise.
2600 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2603 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2605 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2606 (ashlsi3_n splitter): Likewise.
2607 (lshrsi3_n splitter): Likewise.
2609 (GOTaddr2picreg): Make const SImode.
2610 (sym_label2reg): Likewise.
2611 (symGOT2reg): Likewise.
2612 (symGOTOFF2reg) Likewise.
2614 (casesi_worker_0): Make unspec SImode.
2616 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2618 * config/sh/sh.c (barrier_align): Check that an operand really is
2619 an insn before extracting its INSN_CODE.
2621 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2623 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2626 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2627 for SImode to prevent overflow.
2629 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2631 * config/mips/irix6-libc-compat.c: New file.
2632 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2633 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2636 2001-07-24 lars brinkhoff <lars@nocrew.org>
2638 * rtl.texi (REG_POINTER): Document.
2639 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2640 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2642 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2644 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2646 2001-07-23 Richard Henderson <rth@redhat.com>
2648 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2650 2001-07-23 Kazu Hirata <kazu@hxi.com>
2652 * config/h8300/h8300-protos.h: Add a prototype for
2653 general_operand_dst_push.
2654 * config/h8300/h8300.c (general_operand_dst_push): New.
2655 * config/h8300/h8300.h (OK_FOR_T): New.
2656 (EXTRA_CONSTRAINT): Use it.
2657 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2658 the existing movqi pattern.
2659 (movhi_push): Likewise.
2661 * reload.c: Fix comment typos.
2663 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2665 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2667 2001-07-23 H.J. Lu (hjl@gnu.org)
2669 * doc/extend.texi: Update __builtin_return_address and
2670 __builtin_frame_address.
2672 2001-07-23 Richard Henderson <rth@redhat.com>
2674 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2676 * config/i386/i386.md: New setcc+movzbl peephole2.
2678 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2680 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2681 * objc/objc-act.c: Include debug.h.
2682 (synth_module_prologue): Save and restore debug hooks too.
2684 2001-07-23 lars brinkhoff <lars@nocrew.org>
2686 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2687 and C4X_FLOAT_FORMAT.
2688 (BOOL_TYPE_SIZE): Document.
2690 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2692 * unroll.c (loop_iterations): Fix miscalculation of initial
2695 2001-07-13 Andrew Haley <aph@redhat.com>
2697 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2698 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2699 * config/sh/sh.c (sh_can_redirect_branch): New function.
2700 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2701 * reorg.c (steal_delay_list_from_target): Use
2702 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2704 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2706 * flow.c (try_simplify_condjump): Unlink insn chain on
2707 fallthru edge; use can_fallthru.
2709 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2711 * basic-block.h (find_sub_basic_block): Declare.
2712 * flow.c (make_edges): New arguments MIN and MAX;
2713 (find_sub_basic_blocks): Revamp to use make_edges
2714 and purge_dead_edges.
2715 (find_basic_blocks): Update call of find_sub_basic_block.
2717 * recog.c (split_all_insns): Always expect CFG to be consistent;
2718 call find_sub_basic_blocks in case something has changed.
2719 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2722 * basic-block.h (delete_noop_moves): Declare.
2723 * combine.c (combine_instructions): Call it.
2724 (recog_for_combine): Tolerate noop moves
2725 (distribute_notes): Force refresh when register dies at noop move.
2726 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2728 (life_analysis): Update delete_noop_moves call.
2729 (set_noop_p): Move too ...
2730 * rtlanal.c (noop_move_p): ... here.
2731 * rtl.h (noop_move_p): Declare.
2733 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2734 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2736 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2737 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2739 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2741 * reload.c (push_reload): Fix typo in comment.
2742 (find_reloads_address): Ditto.
2743 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2745 2001-07-22 Richard Henderson <rth@redhat.com>
2747 * flow.c: Grammar check and clarify a lot of comments.
2748 (try_simplify_condjump): Rename variables to be clearer.
2749 (try_forward_edges): Skip complex and fallthru edges.
2750 Rearrange tests to avoid duplicate checks.
2751 (flow_find_cross_jump): Likewise.
2752 (outgoing_edges_match): Allow match if neither branch has
2753 probability data. Loosen probability match to 5%.
2754 (try_crossjump_to_edge): Hoist repeated indirection into
2756 (try_crossjump_bb): Don't check complex edges. Eliminate
2757 redundant crossjump tests.
2758 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2759 checks before more expensive checks.
2761 2001-07-22 Richard Henderson <rth@redhat.com>
2763 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2764 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2767 2001-07-22 Richard Henderson <rth@redhat.com>
2769 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2770 (const_sint32_operand): Likewise.
2771 * m68k.md (anon mulsi pattern): Use const_int_operand not
2772 const_sint32_operand.
2773 (umulsi3_highpart): Zero extend a constant input.
2774 (smulsi3_highpart): Don't bother checking SImode constant.
2775 (const_umulsi3_highpart): Give op3 DImode.
2776 (const_smulsi3_highpart): Likewise.
2778 2001-07-22 Richard Henderson <rth@redhat.com>
2780 * flow.c (split_block): Make sure bb_note is included in the
2781 new block when splitting before a label.
2783 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2785 * basic-block.h (redirect_edge_and_branch_force,
2786 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2787 * flow.c (redirect_edge_and_branch_force,
2788 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2789 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2790 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2791 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2792 instead of label; update CFG after transformation.
2793 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2794 for finishing the transformation; handle even case where ELSE
2795 does not follow THEN.
2796 (find_if_case_2): Update call of dead_or_predictable; simplify
2799 * emit-rtl.c (split_branch_probability): New global variable.
2800 (try_split): Take care to set split_branch_probability and
2801 create REG_BR_PROB note for new jump insns.
2802 * md.texi (define_split): Document new feature.
2804 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2806 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2808 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2809 (asm_out_file): Remove redundant declaration.
2810 (assemble_asm): Remove old #if 0 block.
2811 (assemble_variable): Remove end of function; debug output is
2812 now handled with global_decl. Remove old #if 0 block. Update.
2813 Remove saved_in_section and associated no-op code.
2814 * Makefile.in (varasm.o): Correct dependencies.
2816 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2818 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2819 the definition in defaults.h.
2821 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2823 * jump.c: Update comments.
2824 (delete_barrier_successors, delete_unreferenced_labels,
2825 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2826 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2827 jump_optimize, jump_optimize_minimal): Kill.
2828 (rebuild_jump_labels): Move code from jump_optimize_1.
2829 (purge_line_number_notes): Likewise.
2830 (copy_loop_headers): Likewise.
2831 * reg-stack.c: Update comment.
2833 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2834 JUMP_AFTER_REGSCAN): Kill.
2835 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2836 purge_line_number_notes and copy_loop_headers.
2838 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2839 Richard Henderson <rth@redhat.com>
2841 * dbxout.c (dbxout_global_decl): New.
2842 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2843 * sdbout.c (sdbout_finish): New.
2844 (sdbout_debug_hooks): Use it, add comments.
2845 (sdbout_global_decl): Defer initialised public vars to
2847 * varasm.c (assemble_variable): Don't output debug information
2848 for file-scope variables.
2850 2001-07-22 Richard Henderson <rth@redhat.com>
2852 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2853 (get_round_mode_suffix): New.
2854 (print_operand): Use them for [/]. Remove support for [&'`()+].
2855 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2856 * config/alpha/alpha.md (attr round_suffix): New.
2857 (attr trap_suffix): New.
2858 (all insns): Set them appropriately. Use %/ instead of the
2861 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2863 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2865 2001-07-22 Richard Henderson <rth@redhat.com>
2867 * regrename.c (regrename_optimize): Compute nregs for each
2868 potential target register.
2870 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2871 Richard Henderson <rth@redhat.com>
2873 * dbxout.c (dbxout_global_decl): New.
2874 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2875 * sdbout.c (sdbout_finish): New.
2876 (sdbout_debug_hooks): Use it, add comments.
2877 (sdbout_global_decl): Defer initialised public vars to
2879 * varasm.c (assemble_variable): Don't output debug information
2880 for file-scope variables.
2882 2001-07-21 H.J. Lu (hjl@gnu.org)
2884 * config/mips/mips.c (mips_cpu): Moved into ...
2885 (override_options): Here.
2887 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2889 (mips_cpu): Removed.
2891 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2893 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2894 ("iorqi3"): Likewise.
2895 ("xorqi3"): Likewise.
2896 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2897 ("*subhi3_sp): Likewise.
2898 ("*subhi3"): Likewise.
2899 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2902 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2904 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2905 * config/freebsd.h: Likewise.
2906 * config/linux.h: Likewise.
2907 * config/openbsd.h: Likewise.
2908 * config/alpha/linux-elf.h: Likewise.
2909 * config/arm/linux-elf.h: Likewise.
2910 * config/d30v/d30v.h: Likewise.
2911 * config/fr30/fr30.h: Likewise.
2912 * config/ia64/aix.h: Likewise.
2913 * config/ia64/ia64.h: Likewise.
2914 * config/mips/linux.h: Likewise.
2915 * config/pj/pj.h: Likewise.
2916 * config/rs6000/linux.h: Likewise.
2917 * config/sparc/linux.h: Likewise.
2918 * config/sparc/linux64.h: Likewise.
2920 2001-07-20 Bruce Korb <bkorb@gnu.org>
2922 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2923 because getc() and char* may disagree on signedness.
2925 2001-07-20 Richard Henderson <rth@redhat.com>
2927 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2929 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2930 insns to delete in the presence of cc0 in a jump insn.
2932 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2933 Jan Hubicka <jh@suse.cz>
2935 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2936 of doing the change by hand.
2938 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2940 * rtlanal.c (set_noop_p): Return true for noop jumps.
2942 * expr.c (emit_single_push_insn): Add call to push expander.
2943 * expr.h (optab_index): Add OTI_push
2944 (push_optab): New constant.
2945 * genopinit.c (optabs): Add push_optab.
2946 * optabs.c (init_optab): Init push optab.
2947 * md.texi (push??1): Document
2949 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2951 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2952 expand to emit the pattern; put a REG_INC note for push/pop
2954 ("movdf", "movdf_internal"): Likewise.
2955 ("movsi", "movsi_internal"): Likewise.
2956 ("movsf", "movsf_internal"): Likewise.
2957 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2959 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2961 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2964 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2966 * params.def: Change default max inline insns to 100.
2968 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2970 * combine.c (combine_simplify_rtx): Generate a new shift operation
2971 when simplifying the first operand of a (neg (ashift)) expression.
2973 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2975 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2977 2001-07-20 Kelley Cook <kelley.cook@home.com>
2979 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2980 information. Move rest into ...
2981 (*-*-solaris): ... here. Eliminate redundant information and
2982 reword necessary packages section. Delete 4.x assembler bug info.
2983 (sparc-sun-*): Merge into ...
2984 (sparc-sun-sunos*): here.
2986 2001-07-20 Catherine Moore <clm@redhat.com>
2988 * config/v850/v850.md (casesi): Generate LABEL_REF
2991 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2993 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2994 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2995 * i386.md (strclrsi expander): Use it.
2997 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2999 * integrate.c (copy_insn_list): handle
3000 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
3001 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
3002 identically as to CODE_LABEL.
3004 * fold-const (fold): Convert A/B/C to A/(B*C) and
3007 * except.c (connect_post_landing_pads): Delete the RESX insns.
3009 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
3011 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
3013 * config/mips/mips.md (nmadd/nmsub): Use macro.
3015 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
3017 * cppinit.c (remove_dup_dir): Make static.
3018 (remove_dup_dirs): Make static. Only warn about preempting a
3019 system directory with a non-system directory.
3021 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3023 * ifcvt.c (noce_try_store_flag_constants): Correct order
3024 of parameters to trunc_int_for_mode.
3026 2001-07-19 Mark Mitchell <mark@codesourcery.com>
3028 * reorg.c (fill_simple_delay_slots): If an instruction might throw
3029 an exception that will be caught within this function, do not fill
3030 its delay slot with any subsequent instruction.
3032 2001-07-19 Steve Ellcey <sje@cup.hp.com>
3034 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3035 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3036 pointer extension instruction.
3037 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3038 * simplify-rtx.c (simplify_unary_operation) Likewise.
3039 * explow.c (convert_memory_address) Check value of
3040 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3042 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3043 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3044 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3045 Add Multilib Support.
3046 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
3047 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3048 Add Multilib Support.
3049 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3051 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3052 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3053 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3055 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
3057 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3058 old and new operands in `<', `3' and `b'.
3060 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3062 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3063 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3064 (toplev.o): Don't depend on xcoffout.h.
3065 * c-decl.c: Include debug.h
3066 (duplicate_decls): Use debug hook.
3067 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3068 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3069 (dbxout_types): Remove.
3070 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3071 * debug.c (do_nothing_debug_hooks): Update.
3072 (debug_true_tree, debug_nothing_rtx): New.
3073 * debug.h (struct rtx_def): New.
3074 (struct gcc_debug_hooks): New hooks ignore_block,
3075 outlining_inline_function and label.
3076 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3077 dwarf2out_frame_finish): New.
3078 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3079 Make static, update prototype.
3080 (dwarf2_debug_hooks): Update.
3081 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3082 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3083 * dwarfout.c (dwarf_debug_hooks): Update.
3084 * emit-rtl.c: Include debug.h.
3085 (remove_unnecessary_notes): Use debug hook.
3086 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3087 (final_scan_insn): Use debug hook.
3088 * integrate.c (output_inline_function): Use debug hook.
3089 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3090 (sdb_debug_hooks): Update.
3091 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3092 * toplev.c: Don't include xcoffout.h.
3093 (note_outlining_of_inline_function, debug_ignore_block): Remove.
3094 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3096 * tree.h (dwarf2out_do_frame): Remove.
3098 2001-07-19 Catherine Moore <clm@cygnus.com>
3100 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3102 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3104 * reload1.c (eliminate_regs_in_insn): When updating a set
3105 to the frame pointer to the hardware frame pointer, perform
3106 the update always not just when REPLACE is set.
3108 * reload1.c (choose_reload_regs): Don't inherit a reload
3109 that crosses multiple registers if registers past the first
3110 don't fit in the desired class.
3112 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3113 when negating constants.
3115 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
3117 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3118 * doc/tree.texi: Ditto.
3120 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
3121 Jakub Jelinek <jakub@redhat.com>
3123 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3124 (extract_cie_info): Handle "eh" augmentation properly,
3126 (struct frame_state, __frame_state_for): New.
3128 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3130 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3131 HANDLE_SYSV_PRAGMA): Define.
3132 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3134 (copy_object): Caller changed.
3136 2001-07-19 Andreas Schwab <schwab@suse.de>
3138 * configure.in (assembler dwarf2 debug_line support): Define nop
3140 * configure: Regenerated.
3142 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3146 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3147 to conditionally compiled block.
3148 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3149 * dbxout.h (dbxout_function): Remove.
3150 * debug.c (do_nothing_debug_hooks): Update.
3151 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3152 global_decl, deferred_inline_function.
3153 * dwarf2out.c (dwarf2_debug_hooks): Update.
3154 (dwarf2out_global_decl): New.
3155 * dwarfout.c: Don't include dwarfout.h.
3156 (dwarfout_global_decl, dwarfout_function_decl,
3157 dwarfout_deferred_inline_function): New.
3158 (dwarf_debug_hooks): Update.
3159 * dwarfout.h: Remove.
3160 * final.c: Don't include dwarfout.h.
3161 * sdbout.c (sdbout_global_decl): New.
3162 (sdbout_debug_hooks): Update.
3163 * toplev.c: Don't include dwarfout.h.
3164 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3165 (note_deferral_of_defined_inline_function): Remove.
3166 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3167 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3168 * ch/lex.c: Don't include dwarfout.h.
3169 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3170 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3171 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3172 * cp/optimize.c: Include debug.h.
3173 (maybe_clone_body): Use debug hook.
3174 * cp/semantics.c: Include debug.h.
3175 (expand_body): Use debug hook.
3176 * po/POTFILES.in: Remove dwarfout.h.
3178 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3180 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3181 * c-parse.in (yyerror, _yylex): Similarly.
3182 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3183 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3185 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3186 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3188 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3190 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3191 in-class declaration at -g1. Fixes c++/2814.
3193 2001-07-18 Richard Henderson <rth@redhat.com>
3195 * doc/md.texi (reload_in/out): Document restrictions in predicates
3196 and constraints for these patterns. Document empty string matching
3199 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3201 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3203 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3205 * cse.c: Undo my previous patch.
3207 2001-07-18 Tom Tromey <tromey@redhat.com>
3210 * configure: Rebuilt.
3211 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3213 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3215 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3216 Jan Hubicka <jh@suse.cz>
3218 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3219 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3220 * jump.c (mark_jump_label): Do not forward branches.
3222 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3224 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3225 when return value is unused.
3227 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3229 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3231 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3233 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3234 on error. We can't blindly return the result of
3235 pthread_mutex_trylock because it returns a positive number on
3236 error, while we must return -1 on error.
3237 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3239 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3241 2001-07-18 Andreas Jaeger <aj@suse.de>
3243 * integrate.c (output_inline_function): Correct type of debug_hooks.
3245 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3247 * combine.c (combine_simplify_rtx): DIV can be treated
3248 associatively for floats if unsafe math optimisations are enabled.
3250 2001-07-17 Richard Henderson <rth@redhat.com>
3252 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3254 2001-07-17 Richard Henderson <rth@redhat.com>
3256 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3257 don't force the function address into a register.
3258 (expand_call, emit_library_call_value_1): Update callers.
3259 * builtins.c (expand_builtin_apply): Likewise.
3260 * expr.h (prepare_call_address): Update decl.
3262 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3264 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3266 * config/i386/chorus.h: Move up.
3267 * config/sparc/chorus.h: Likewise.
3268 * config/rs6000/chorus.h: Likewise.
3269 * config/chorus.h: Moved here.
3271 2001-07-17 Andreas Schwab <schwab@suse.de>
3273 * configure.in (assembler eh_frame optimization): Handle big
3275 * configure: Regenerated.
3277 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3279 * expr.c (epxand_expr): Convert divisions into multiplications by
3280 reciprocals if -ffast-math.
3282 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3284 * dbxout.c (dbxout_really_begin_function): Rename to
3285 dbxout_begin_function.
3286 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3287 (dbxout_begin_function): Remove.
3288 (dbxout_function): Update.
3289 (dbxout_source_line): Update prototype.
3290 * dbxout.h (dbxout_begin_function): Remove.
3291 * debug.c (do_nothing_debug_hooks): Update.
3292 (debug_nothing_tree): Update.
3293 (debug_nothing_charstar_rtx): Remove.
3294 * debug.h (union tree_node): Declare.
3295 (struct rtx_def): Remove.
3296 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3297 begin_function. Change source_line prototype.
3298 (debug_nothing_tree): New.
3299 (debug_nothing_charstar_rtx): Delete.
3300 (dwarf2out_begin_prologue): Moved from ...
3302 * dwarf2out.c (dwarf2_debug_hooks): Update.
3303 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3304 debug info, call dwarf2out_source_line.
3305 (dwarf2out_souce_line): Update prototype.
3306 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3307 Change prototype, make static.
3308 (dwarfout_source_line): Update prototype.
3309 (dwarf_debug_hooks): Update.
3310 * dwarfout.h (dwarfout_begin_function): Remove.
3311 * final.c (final_start_function, final_scan_insn): Use appropriate
3312 debug hooks, update to use notice_source_line.
3313 (output_source_line): Rename notice_source_line. Don't call the
3314 source_line debug hook.
3315 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3316 make static, update prototype.
3317 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3319 (sdbout_end_prologue): New.
3320 (sdbout_source_line): Update prototype.
3321 (sdbout_debug_hooks): Update.
3322 (sdbout_symbol): Remove unused var.
3323 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3325 * varasm.c: Include debug.h.
3326 (assemble_start_function): Use begin_function debug_hook.
3327 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3328 update with prototype.
3329 (xcoffout_source_line): Update prototype.
3330 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3332 (xcoffout_source_line): Update prototype.
3334 2001-07-17 Richard Henderson <rth@redhat.com>
3336 * c-typeck.c (build_binary_op): Do not shorten unsigned
3337 right shift after sign extension.
3339 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3341 * combine.c (combine_simplify_rtx): Attempt to simplify
3342 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3344 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3345 (simplify_binary_operation, simplify_unary_operation,
3346 simplify_relational_operation): Use it.
3348 * combine.c (combine_simplify_rtx): Don't do associative law
3349 on divisions; allow associative law on floats.
3351 2001-07-17 H.J. Lu <hjl@gnu.org>
3352 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3354 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3355 ASM_OUTPUT_WEAK_ALIAS are defined.
3356 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3357 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3359 * config/mips/iris5.h: ... here.
3360 (HANDLE_SYSV_PRAGMA): Defined as 1.
3361 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3362 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3365 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3367 * c-parse.in (all_prefix_attributes): New variable.
3368 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3369 (maybe_resetattrs): New production.
3370 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3371 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3372 notype_initdcl, nested_function, notype_nested_function,
3373 component_decl, components, components_notype,
3374 component_declarator, component_notype_declarator,
3375 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3376 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3377 after a comma being applied to more than one declarator.
3378 * doc/extend.texi (Attribute Syntax): Update. Remove
3379 documentation of bugs that are no longer present.
3381 2001-07-13 Eric Christopher <echristo@redhat.com>
3383 * config/mips/mips.h: Change TUNE_MIPS* options to use
3385 (EXTRA_SPECS): Add cc1_cpu_spec.
3386 * config/mips/mips.md (muldf3): Fix typo.
3388 2001-07-16 Richard Henderson <rth@redhat.com>
3390 * config/m68k/m68k.c: Include expr.h and reload.h.
3391 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3392 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3394 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3395 Richard Henderson <rth@redhat.com>
3397 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3398 (insn_live_p): Fix fall off end of function.
3399 (dead_libcall_p): Remove COUNTS argument; update callers.
3400 (delete_trivially_dead_insns): Remove unused variables.
3402 2001-07-17 Andreas Jaeger <aj@suse.de>
3404 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3407 * lcm.c (optimize_mode_switching): Avoid warning for unused
3408 variable if !NORMAL_MODE.
3410 * flow.c (try_crossjump_to_edge): Remove unused variable.
3412 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3414 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3415 atexit declaration in stdlib.h.
3417 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3419 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3421 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3423 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3424 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3425 do rebuild_jump_labels instead of jump_optimize
3426 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3427 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3428 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3430 * flow.c: Include timevar.h
3431 (find_basic_block): Push/pop timevar;
3432 (cleanup_cfg): Likewise.
3433 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3434 * Makefile: Add dependencies on timevar.h
3436 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3437 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3439 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3440 * toplev.c (rest_of_compilation): Update calls.
3441 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3442 (delete_trivially_dead_insns): ... here; accept new argument
3443 preserve_basic_blocks; preserve basic blocks if set.
3445 * reg-stack.c (stack_regs_mentioned): Return 0 if
3446 stack_regs_mentioned_data is not initialized.
3447 (reg_to_stack): Make stack_regs_mentioned survive after the
3448 reg-stack is completted; do not call cleanup_cfg.
3449 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3450 make cleanup_cfg after bb-reorder to output to debug file.
3452 2001-07-16 Richard Henderson <rth@redhat.com>
3454 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3455 from int_reg_class_contents.
3457 2001-07-16 Richard Henderson <rth@redhat.com>
3459 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3460 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3461 (init_reg_sets_1): Move initialization from cse_main.
3462 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3463 (cse_main): Move its initialization also.
3464 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3465 * flow.c (propagate_one_insn): Likewise.
3466 * gcse.c (compute_hash_table): Likewise.
3467 (compute_kill_rd, compute_store_table): Likewise.
3468 * sched-deps.c (sched_analyze_1): Likewise.
3470 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3472 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3475 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3477 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3478 in if statement so we don't access undefined memory.
3480 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3482 * gcse.c: Update comment at top.
3483 Update comment on mem handling.
3484 mem_last_set, mem_first_set, mem_set_in_block: gone.
3485 Declaration of reg_set_info: gone.
3486 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3487 pointless with load_killed_in_block_p (they are *more*
3488 conservative then it, not less, and less accurate).
3489 (oprs_not_set_p): Ditto.
3490 (alloc_gcse_mem): Don't allocate mem_set_in_block
3491 (free_gcse_mem): Don't free it, either.
3492 (record_last_mem_set_info): Update comment in front, remove
3493 mem_*set_* stuff. Note the reason we don't handle stores directly
3495 (compute_hash_table): Update comments to reflect reality. Remove
3496 mem_*set_* references.
3497 (reset_opr_set_tables): Remove mem_*set_* references.
3499 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3500 (mark_clobber): Ditto (on both parts, we double set here too).
3501 (expr_killed_p): Remove mem_set_in_block test.
3502 (compute_transp): Remove mem_set_in_block test.
3504 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3505 of edge, and removal of phi alternative to dump file.
3506 (ssa_ccp_substitute_constants): Add note about register now being
3507 constant, and which uses were replaced in what insns to dump file.
3509 2001-07-16 Andreas Jaeger <aj@suse.de>
3511 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3512 variables of type HOST_WIDEST_INT.
3514 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3515 (__bb_exit_func): Correct type of count_max to avoid overflow.
3516 (num_digits): Handle long long argument.
3518 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3520 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3522 * output.h (sdb_begin_function_line): Restore as an extern
3524 * sdbout.c (sdb_begin_function_line): Make extern.
3526 2001-07-15 Richard Henderson <rth@redhat.com>
3528 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3529 * genrecog.c (maybe_both_true_mode): New.
3530 (maybe_both_true_2): Use it.
3531 (write_switch): Don't put Pmode in a switch.
3532 * rtl.c (mode arrays): Don't explicitly size them.
3534 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3536 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3537 handling; move unconditional splitting before mode switching.
3539 * i386.md (type): Add fistp type.
3540 (i387, length_attr, scheduling definitions): Handle this type.
3541 (fix_trunc?f?i2): Revamp to use mode switching.
3542 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3543 * i386.h (fp_cw_mode): New enum
3544 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3545 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3547 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3549 * Makefile.in (integrate.o): Add debug.h.
3550 * integrate.c (debug.h): Add.
3551 (output_inline_function): Save, reset, and restore debug_hooks.
3553 2001-07-15 Richard Henderson <rth@redhat.com>
3555 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3556 instead of COMPARE for the EQUIV expression.
3558 2001-07-15 Richard Henderson <rth@redhat.com>
3560 * flow.c (redirect_edge_and_branch_force): Initialize
3561 global_live_at_start and global_live_at_end.
3562 (allocate_bb_life_data): Export.
3563 * basic-block.h (allocate_bb_life_data): Declare.
3564 * toplev.c (rest_of_compilation): Call it.
3566 2001-07-15 Richard Henderson <rth@redhat.com>
3568 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3569 (alpha_tablejump_best_label): New.
3570 * config/alpha/alpha-protos.h: Declare them.
3571 * config/alpha/alpha.md: Use braced strings for code blocks.
3572 (tablejump_osf): Break out add with r29.
3573 (tablejump_osf_internal): Remove.
3574 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3575 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3577 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3579 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3582 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3584 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3585 (ix86_fp_jump_nontrivial_p): New.
3586 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3587 use ix86_fp_jump_nontrivial_p.
3588 * i386.c (ix86_fp_jump_nontrivial_p): New.
3589 (ix86_split_fp_branch): Accept code instead of rtx.
3590 (ix86_expand_compare): Expand comparison early in case
3591 doing so is resonably cheap.
3593 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3595 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3597 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3598 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3600 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3602 * dbxout.c (dbxout_source_line): Make static, update prototype.
3603 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3604 (dbxout_init, dbxout_finish, dbxout_source_line,
3605 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3606 * dbxout.h (dbxout_source_line): Delete.
3607 * debug.c (debug_nothing_file, debug_nothing_file_int,
3608 debug_nothing_file_charstar_rtx): New.
3609 (do_nothing_debug_hooks): Update.
3610 (debug_nothing_void, debug_nothing_charstar_rtx,
3611 dwarf2out_end_epilogue): New.
3612 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3613 * debug.h (struct rtx_def): Declare.
3614 (gcc_debug_hooks): New hooks source_line, end_epilogue
3616 (debug_nothing_void, debug_nothing_charstar_rtx,
3617 dwarf2out_end_epilogue): New.
3618 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3619 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3620 (dwarf2_debug_hooks): Update.
3621 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3622 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3623 * dwarf2out.h (dwarf2out_source_line): Remove.
3624 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3625 Make static, update prototype.
3626 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3627 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3628 (dwarf_debug_hooks): Update.
3629 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3630 dwarfout_end_function): Remove.
3631 * final.c (profile_function): Use debug hooks for ending functions
3633 (output_source_line, final_end_function): Update prototype,
3635 (final_start_function, final_scan_insn): Update.
3636 * output.h (sdb_begin_function_line): Remove.
3637 (final_end_function): Update prototype.
3638 * sdbout.c (sdb_begin_function_line): Make static.
3639 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3640 (sdbout_source_line): New.
3641 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3643 (sdb_debug_hooks): Update.
3644 (sdbout_init, sdbout_source_line,
3645 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3646 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3647 * toplev.c (compile_file, rest_of_compilation): Update.
3648 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3649 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3650 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3651 Update for prototype changes.
3652 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3653 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3655 2001-07-15 Richard Henderson <rth@redhat.com>
3657 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3658 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3659 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3660 * config/alpha/alpha.c: Likewise.
3661 * config/alpha/alpha.md: Likewise.
3662 * config/alpha/alpha32.h: Likewise.
3663 * config/alpha/vms.h: Likewise.
3666 2001-07-14 Richard Henderson <rth@redhat.com>
3668 * config/alpha/alpha.md: Use define_constants for unspec values.
3669 Substitute throughout.
3671 2001-07-14 Tim Josling <tej@melbpc.org.au>
3673 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3675 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3677 * pa.md: Remove unused constraints from define_split's.
3679 2001-04-14 Richard Henderson <rth@redhat.com>
3681 * ifcvt.c (find_cond_trap): Test for exit block.
3683 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3685 Re-install recently reverted patch.
3686 * emit-rtl.c (try_split): Update mark_jump_label call.
3687 * flow.c (find_sub_basic_blocks): Likewise.
3688 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3690 (mark_all_labels): Kill second parameter.
3691 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3692 (rebuild_jump_labels, jump_optimize_minimal): Update call
3694 (jump_optimize_1): Kill crossjumping code.
3695 (mark_jump_label): Kill cross_jump parameter.
3696 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3697 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3698 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3700 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3702 (dump_file_info): Likewise.
3703 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3704 reorganize passes to do reg-stack first, bb-reorder second.
3705 * invoke.texi (-d letters doc): Remove the jump2 pass.
3707 2001-07-14 Richard Henderson <rth@redhat.com>
3709 * ifcvt.c (find_cond_trap): New.
3710 (find_if_header): Call it.
3711 (merge_if_block): Relax existing jump sanity check.
3712 * jump.c (jump_optimize_1): Remove conditional trap handling.
3714 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3716 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3718 (insn_refs_are_delayed): Correct comment.
3719 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3720 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3721 instead of r31. Make associated insn !TARGET_64BIT, and
3722 provide an additional 64-bit insn that clobbers r2.
3724 (udivsi3): Likewise.
3726 (umodsi3): Likewise.
3728 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3730 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3732 * flow.c (redirect_edge_and_branch_force, split_edge,
3733 try_crossjump_to_edge): Use set_block_for_new_insns.
3734 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3736 2001-07-13 H.J. Lu (hjl@gnu.org)
3738 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3741 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3743 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3745 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3747 * c-common.c (decl_attributes): Take a pointer to the node to
3748 which attributes are to be attached, and a flags argument.
3749 * c-common.h (enum attribute_flags): New.
3750 (decl_attributes): Update prototype.
3751 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3752 finish_enum, start_function): Update calls to decl_attributes.
3753 * c-parse.in (component_declarator, component_notype_declarator,
3754 label): Update calls to decl_attributes.
3756 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3758 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3759 * config/avr/avr.c (legitimate_address_p): Return value changed
3760 from letter to register classes. For better debugging.
3762 2001-07-13 Kazu Hirata <kazu@hxi.com>
3764 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3766 2001-07-13 H.J. Lu (hjl@gnu.org)
3768 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3770 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3772 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3773 correctly for shared configurations.
3774 * config/t-libgcc-pic: New.
3775 * config/{i386,m68k,sparc}/t-openbsd: New.
3776 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3777 Support -shared. Support debugging libraries with -g.
3778 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3779 frame information does not emit pointer diffs.
3780 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3783 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3785 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3787 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3789 * combine.c (try_combine): Ensure const_int pow2 is positive.
3791 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3793 * config.gcc: Add configuration for s/390.
3794 * config/s390/s390.c: New. Subroutines for code generation.
3795 * config/s390/s390.h: New. Definitions for s/390.
3796 * config/s390/s390-protos.h: New. Prototypes.
3797 * config/s390/linux.h: New. Definitions for linux for s/390.
3798 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3799 * config/s390/t-linux: New. Makefile fragment.
3800 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3801 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3803 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3805 * emit-rtl.c (try_split): Update mark_jump_label call.
3806 * flow.c (find_sub_basic_blocks): Likewise.
3807 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3809 (mark_all_labels): Kill second parameter.
3810 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3811 (rebuild_jump_labels, jump_optimize_minimal): Update call
3813 (jump_optimize_1): Kill crossjumping code.
3814 (mark_jump_label): Kill cross_jump parameter.
3815 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3816 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3817 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3819 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3821 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3822 reorganize passes to do reg-stack first, bb-reorder second.
3823 * invoke.texi (-d letters doc): Remove the jump2 pass.
3825 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3827 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3829 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3831 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3833 (verify_flow_info): Make diagnostics prettier.
3835 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3837 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3839 * flow.c (outgoing_edges_match): Return early if condition reversal
3842 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3844 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3845 (mips_move_2words): When splitting a move into two instructions,
3846 prefix the second address operand with '%D'.
3848 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3850 * Makefile.in (final.o): Depend on debug.h.
3851 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3852 (dbx_debug_hooks): Add new hooks.
3853 (xcoff_debug_hooks): New.
3854 * debug.c (debug_nothing_file_int_int): New.
3855 (do_nothing_debug_hooks): Update.
3856 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3857 (debug_nothing_file_int_int): New.
3858 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3859 static, update prototype.
3860 (dwarf2_debug_hooks): Update.
3861 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3862 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3863 static, update prototype.
3864 (dwarf_debug_hooks): Update.
3865 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3866 * final.c: Include debug.h.
3867 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3868 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3869 static, update prototype.
3870 (sdb_debug_hooks): Update.
3871 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3872 * toplev.c: Distinguish between xcoff and dbx.
3874 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3875 Call all debug hooks, not just dwarf ones.
3877 2001-07-11 Timothy Wall <twall@redhat.com>
3879 * config.gcc: Add configuration for AIX5/IA64.
3880 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3881 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3882 support prefix/suffix code.
3883 * config/ia64/t-aix: New. Makefile fragment.
3884 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3886 2001-07-11 Kazu Hirata <kazu@hxi.com>
3888 * recog.c (validate_change): Fix a comment typo.
3890 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3892 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3893 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3895 * dbxout.c (dbx_debug_hooks): Add new hooks.
3896 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3898 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3900 * dbxout.h (dbxout_start_new_source_file,
3901 dbxout_resume_previous_source_file): Delete.
3902 * debug.c (do_nothing_debug_hooks): Add new hooks.
3903 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3904 (debug_nothing_int_charstar, debug_nothing_int): New.
3905 * debug.h (gcc_debug_hooks): New hooks define, undef,
3906 start_source_file and end_source_file.
3907 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3908 (debug_nothing_int_charstar, debug_nothing_int): New.
3909 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3910 the conditionally compiled section.
3911 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3912 dwarf2out_define, dwarf2out_undef): Make static.
3913 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3914 dwarf2out_define, dwarf2out_undef): Remove.
3915 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3916 (dwarfout_start_source_file, dwarfout_end_source_file,
3917 dwarfout_define, dwarfout_undef): Make static.
3918 (dwarfout_start_source_file_check,
3919 dwarfout_end_source_file_check): New.
3920 (dwarfout_define, dwarfout_finish): Update.
3921 * dwarfout.h (dwarfout_start_new_source_file,
3922 dwarfout_resume_previous_source_file, dwarfout_define,
3923 dwarfout_undef): Remove.
3924 * sdbout.c (sdb_debug_hooks): Add new hooks.
3925 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3927 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3928 make static, take an arg.
3929 * sdbout.h (sdbout_start_new_source_file,
3930 sdbout_resume_previous_source_file): Delete.
3931 * toplev.c (debug_start_source_file, debug_end_source_file,
3932 debug_define, debug_undef): Delete.
3933 * toplev.h (debug_start_source_file, debug_end_source_file,
3934 debug_define, debug_undef): Delete.
3936 * java/jcf-parse.c: Include debug.h.
3937 (parse_class_file): Update to use debug hooks directly.
3938 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3940 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3942 * alias.c (set_mem_alias_set): New function.
3943 * rtl.h (set_mem_alias_set): Declare it.
3944 * builtins.c (expand_builtin_return_addr): Call it instead of
3945 using MEM_ALIAS_SET accessor.
3946 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3947 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3948 (expand_builtin_va_copy):Likewise.
3949 * caller-save.c (setup_save_areas): Likewise.
3950 * calls.c (compute_argument_addresses): Likewise.
3951 * explow.c (set_mem_attributes): Likewise.
3952 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3953 (expand_assignment, store_constructor_field, store_field): Likewise.
3954 (expand_expr_unaligned): Likewise.
3955 * function.c (assign_stack_temp_for_type): Likewise.
3956 (put_reg_into_stack, gen_mem_addressof): Likewise.
3957 * ifcvt.c (noce_try_cmove_arith): Likewise.
3958 * reload1.c (reload, alter_reg): Likewise.
3959 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3960 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3961 (alpha_expand_unaligned_store): Likewise
3962 (alpha_expand_unaligned_load_words): Likewise.
3963 (alpha_expand_unaligned_store_words): Likewise.
3964 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3965 (alpha_expand_epilogue): Likewise.
3966 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3967 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3968 * config/i386/i386.c (legitimize_pic_address): Likewise.
3969 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3970 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3971 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3972 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3973 * config/mips/mips.c (mips_va_arg): Likewise.
3974 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3975 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3976 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3977 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3978 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3979 (rs6000_emit_epilogue): Likewise.
3980 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3981 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3982 * config/v850/v850.c (v850_va_arg): Likewise.
3984 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3986 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3987 when fallthru edge is present.
3988 (mege_blocks): Handle case where creation of jump insn
3991 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3992 CLEANUP_POST_REGSTACK): New constants.
3993 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3994 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3995 * output.h (cleanup_cfg): Update prototype.
3996 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3997 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3998 cleanup_cfg call; kill missleading comment.
3999 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
4000 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
4001 parameter; control optimizations performed using it.
4002 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4003 try_crossjump_bb): New functions.
4005 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4007 * pa.c (pa_output_function_prologue): Delete prototype. Make function
4009 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
4010 pa_output_function_prologue.
4011 * pa-protos.h (pa_output_function_prologue): New prototype.
4013 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4015 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
4016 and low to get correct sign extension in low+high test.
4018 2001-07-11 Janis Johnson <janis@us.ibm.com>
4020 * gcov.c (arcdata): Use gcov_type to fix branch percentage
4021 for large hit count.
4023 * profile.c (branch_prob): Fix .bbg info for computed gotos
4026 2001-07-11 Mark Mitchell <mark@codesourcery.com>
4028 * stmt.c (parse_output_constraint): New function, split out
4030 (expand_asm_operands): ... here. Use parse_output_constraint.
4031 * tree.h (parse_output_constraint): Declare it.
4033 2001-07-11 Richard Henderson <rth@redhat.com>
4035 * bitmap.c: Comment some functions; fiddle whitespace.
4036 (bitmap_free): Don't export.
4037 (bitmap_element_allocate): Use memset.
4038 * bitmap.h (bitmap_free): Don't declare.
4040 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
4042 * gcse.c, lcm.c, sched-deps.c:
4043 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4045 * flow.c (flow_loops_find): Free dom if we found no loops, since
4046 we aren't going to save it.
4048 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4051 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
4053 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4055 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4057 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4058 #ifndef DWARF2_DEBUGGING_INFO.
4060 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4062 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4064 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4066 * config/mips/mips.c (gen_int_relational): Tell the caller not to
4067 reverse a branch if a NE comparison is implemented with GTU.
4069 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4070 H.J. Lu <hjl@gnu.org>
4072 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4074 (call_internal2): Likewise.
4075 (call_value_internal1): Likewise.
4076 (call_value_internal2): Likewise.
4077 (call_value_multiple_internal1): Likewise.
4078 (call_value_multiple_internal2): Likewise.
4080 2001-07-10 Kazu Hirata <kazu@hxi.com>
4082 * calls.c (emit_library_call_value_1): Fix a comment typo.
4083 * dwarf2out.c (mem_loc_descriptor): Likewise.
4084 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4086 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
4088 * simplify-rtx.c (simplify_subreg): Fix typo in comment
4090 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4092 * recog.c (offsettable_address_p): Handle LO_SUM case.
4093 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4094 instead of plus_constant.
4096 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4098 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4099 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4101 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4103 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4104 adjust_address_nv instead of plus_constant.
4106 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
4108 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4109 dwarf2out.o): Depend on debug.h, wrap long lines.
4110 * dbxout.c: Include debug.h.
4111 (dbx_debug_hooks): New.
4112 (dbxout_init): Make static, take just 2 args.
4113 (dbxout_finish): Make static.
4114 * dbxout.h (dbxout_init, dbxout_finish): Delete.
4115 * debug.c: New file.
4116 * debug.h: New file.
4117 * dwarf2out.c: Include debug.h.
4118 (dwarf2_debug_hooks): New.
4119 (dwarf2out_init): Make static.
4120 (dwarf2out_finish): Make static, take 2 args.
4121 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4122 * dwarfout.c: Include debug.h.
4123 (dwarf_debug_hooks): New.
4124 (dwarfout_init): Make static.
4125 (dwarfout_finish): Make static, take 2 args.
4126 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4127 * sdbout.c: Include debug.h.
4128 (sdb_debug_hooks): New.
4129 (sdbout_init): Make static, take 2 args.
4130 * sdbout.h (sdbout_init): Delete.
4131 * toplev.c: Include debug.h.
4133 (compile_file): Set deubg_hooks based on command line options.
4134 Use the hooks unconditionally rather than conditional compilation.
4136 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
4138 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
4139 first_insn_after_basic_block_note instead.
4141 * df.c (df_bb_refs_unlink): #if 0 out for now.
4143 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
4145 * ssa.h: Add prototype for ssa_const_prop
4146 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4147 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4148 (ssa_fast_dce): Remove unused variable
4150 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4152 * diagnostic.c (finish_diagnostic): Rename to
4153 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
4156 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4158 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4161 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4162 (dump_file): Only pad the demangled name with spaces if the
4163 mangled name was padded with spaces.
4165 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4167 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4170 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4172 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4173 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4176 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4177 whether can put offset inside LO_SUM to check mode alignment, not size.
4179 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4181 * doc/tm.texi (Misc): Fix thinko.
4183 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4185 * regmove.c (replace_in_call_usage): Fix warnings.
4186 * sched-deps.c (add_dependence): Fix warnings.
4187 * simplify-rtx.c (simplify_subreg): Likewise.
4188 Return NULL_RTX instead of NULL.
4190 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4191 (subst_asm_stack_regs): Likewise.
4193 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4196 * dwarf2out.c (output_call_frame_info): Declare i as int.
4197 (build_abbrev_table): Declare n_alloc as int.
4198 (dwarf2out_finish): Initialize die.
4199 * except.c: Declare sjlj_funcdef_number as unsigned.
4200 (connect_post_landing_pads): Declare j as unsigned.
4201 (convert_to_eh_region_ranges): Initialize call_site.
4202 (output_function_exception_table): Initialize tt_format_size.
4203 * expr.c (move_by_pieces_1): Initialize to1.
4204 (store_constructor): Initialize minelt and maxelt.
4205 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4206 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4208 * c-decl.c (combine_parm_decls): Unused, remove.
4209 * c-tree.h: Remove prototype for combine_parm_decls.
4211 * reload.c (push_reload): Fix warning.
4212 (regno_clobbered_p): Likewise.
4213 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4214 (reload_combine): Likewise.
4216 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4217 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4219 * bitmap.c (bitmap_operation): Change user.
4220 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4222 2001-07-10 Eric Christopher <echristo@redhat.com>
4224 * config/mips/mips.c (override_options): Fix typo.
4226 2001-07-09 Stan Shebs <shebs@apple.com>
4228 * target.h (struct gcc_target): New fields init_builtins and
4230 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4231 (TARGET_EXPAND_BUILTIN): New macro.
4232 (TARGET_INITIALIZER): Add them.
4233 * builtins.c: Include target.h.
4234 (expand_builtin): Use targetm.expand_builtin.
4235 (default_init_builtins): New function.
4236 (default_expand_builtin): New function.
4237 * expr.h (default_init_builtins): Declare.
4238 (default_expand_builtin): Declare.
4239 * c-common.c (c_common_nodes_and_builtins): Use
4240 targetm.init_builtins.
4241 * defaults.h (MD_INIT_BUILTINS): Remove.
4242 * Makefile.in (builtins.o): Depend on target.h.
4244 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4245 (TARGET_EXPAND_BUILTIN): Define.
4246 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4247 (MD_EXPAND_BUILTIN): Remove.
4249 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4250 (TARGET_EXPAND_BUILTIN): Define.
4251 (c4x_init_builtins): Make endlink arg a local.
4252 (c4x_print_operand): Fix typos in adjust_address usages.
4253 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4254 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4255 (MD_EXPAND_BUILTIN): Remove.
4257 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4258 (TARGET_EXPAND_BUILTIN): Define.
4259 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4260 (ix86_init_builtins): Call new function only if TARGET_MMX.
4261 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4262 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4263 (MD_EXPAND_BUILTIN): Remove.
4265 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4266 (TARGET_EXPAND_BUILTIN): Define.
4267 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4268 (MD_EXPAND_BUILTIN): Remove.
4270 * doc/tm.texi: Document these changes.
4272 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4274 * basic-block.h (tree_node): Forward declare if needed.
4275 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4276 (BLOCK_HEAD_TREE): Define.
4277 (BLOCK_END_TREE): Define.
4278 (struct loops): Rename field 'tree' to 'tree_root'.
4279 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4281 (flow_loops_tree_build): Rename reference to field 'tree' to
4283 (flow_loops_level_compute): Ditto.
4284 * predict.c (estimate_bb_frequencies): Ditto.
4285 * tree.h (struct tree_common): Add field 'aux'.
4287 2001-07-09 Stan Shebs <shebs@apple.com>
4289 * config/darwin.c (darwin_encode_section_info): Don't mark any
4290 DECL_EXTERNAL node as defined.
4292 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4294 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4295 pa_free_machine_status, hppa_init_pic_save): Delete.
4296 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4297 (hppa_profile_hook): Use hppa_pic_save_rtx.
4298 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4299 hppa_init_pic_save): Delete.
4300 (hppa_pic_save_rtx): Declare.
4301 * pa.md (call, call_value, sibcall, sibcall_value,
4302 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4304 2001-07-09 Kazu Hirata <kazu@hxi.com>
4306 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4307 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4309 2001-07-09 Andreas Jaeger <aj@suse.de>
4311 * output.h: Add declaration of final_forward_branch_p.
4313 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4315 * varray.c: Include errors.h for internal_error and trim_filename
4318 * Makefile.in (varray.o): Add errors.h.
4320 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4322 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4323 * optabs.c (have_add2_insn): Check whether the add insn chosen
4324 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4325 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4327 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4329 * Makefile.in (OBJS): Add ssa-ccp.o
4330 (ssa-ccp.o): Add dependencies.
4331 * toplev.c (DFI_ssa_ccp): New dump file enum.
4332 (dump_file): Add entry for dumping after SSA CCP.
4333 (flag_ssa_ccp): New flag variable.
4334 (f_options): Add -fssa-ccp.
4335 (rest_of_compilation): Run SSA CCP if requested.
4336 * timevar.def (TV_SSA_CCP): New timevar.
4337 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4338 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4339 Fix minor typo in SSA DCE documentation.
4340 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4341 Add documentation for new dump option. Renumber dump files
4344 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4346 * emit-rtl.c (gen_highpart_mode): New.
4347 * rtl.h (gen_highpart_mode): Declare.
4348 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4349 operand can be VOIDmode constant.
4351 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4353 * flow.c (redirect_edge_and_branch_force): New.
4354 (can_fallthru): Ensure that basic blocks are succeeding.
4355 (try_optimize_cfg): Do not delete basic block if it is the last one.
4357 * flow.c (try_redirect_by_replacing_jump): Do not remove
4358 jumps with side effects, unlink chain on fallthru edge;
4359 set block for new jump instruction; avoid basic block to
4360 over by line number note.
4362 * flow.c (try_simplify_condjump): Verify that the condjump
4363 is not always falling trought.
4366 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4368 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4369 (try_redirect_by_replacing_jump): Update properly the count
4370 and frequency information.
4372 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4374 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4375 address that is a LO_SUM specially.
4376 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4378 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4380 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4381 (operand_subword): Use them.
4382 (change_address_1): Renamed from change_address; new arg VALIDATE.
4383 * expr.h: Reflect above changes; change_address now macro.
4384 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4386 * cselib.c (add_mem_for_addr): Likewise.
4387 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4388 * regmove.c (try_apply_stack_adjustment): Likewise.
4389 * reload.c (push_reload, make_memloc): Likewise.
4390 * reload1.c (eliminate_regs): Likewise.
4391 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4392 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4394 * combine.c (make_extraction, simplify_shift_const): Likewise.
4395 (gen_lowpart_for_combine): Likewise.
4396 * cse.c (gen_lowpart_if_possible): Likewise.
4397 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4398 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4399 * optabs.c (gen_move_insn): Likewise.
4400 * reload1.c (alter_reg): Likewise.
4401 * simplify-rtx.c (simplify_subreg): Likewise.
4402 * stmt.c (expand_anon_union_decl): Likewise.
4403 * recog.c (validate_replace_rtx_1): Likewise.
4405 * Makefile.in (recog.o): Add $(EXPR_H).
4406 * explow.c (stabilize): Call replace_equiv_address.
4407 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4408 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4410 2001-07-03 Andrew Haley <aph@redhat.com>
4412 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4413 the mode of the memory location.
4415 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4417 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4419 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4421 * final.c (output_addr_const): Use target opening and
4422 closing parentheses.
4423 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4424 defaults, add to TARGET_ASM_OUT.
4425 * target.h (struct gcc_target): Add open_paren and close_paren.
4426 * doc/md.texi: Update.
4427 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4428 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4429 TARGET_ASM_CLOSE_PAREN.
4430 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4432 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4434 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4435 * config/a29k/a29k.h: Similarly.
4436 * config/alpha/alpha.h: Similarly.
4437 * config/arc/arc.h: Similarly.
4438 * config/arm/aof.h: Similarly.
4439 * config/arm/aout.h: Similarly.
4440 * config/avr/avr.h: Similarly.
4441 * config/c4x/c4x.h: Similarly.
4442 * config/clipper/clipper.h: Similarly.
4443 * config/convex/convex.h: Similarly.
4444 * config/d30v/d30v.h: Similarly.
4445 * config/dsp16xx/dsp16xx.h: Similarly.
4446 * config/elxsi/elxsi.h: Similarly.
4447 * config/fr30/fr30.h: Similarly.
4448 * config/h8300/h8300.h: Similarly.
4449 * config/i370/i370.h: Similarly.
4450 * config/i386/i386.h: Similarly.
4451 * config/i860/i860.h: Similarly.
4452 * config/i960/i960.h: Similarly.
4453 * config/ia64/ia64.h: Similarly.
4454 * config/m32r/m32r.h: Similarly.
4455 * config/m68hc11/m68hc11.h: Similarly.
4456 * config/m68k/m68k.h: Similarly.
4457 * config/m88k/m88k.h: Similarly.
4458 * config/mcore/mcore.h: Similarly.
4459 * config/mips/mips.h: Similarly.
4460 * config/mn10200/mn10200.h: Similarly.
4461 * config/mn10300/mn10300.h: Similarly.
4462 * config/ns32k/ns32k.h: Similarly.
4463 * config/pa/pa.h: Similarly.
4464 * config/pdp11/pdp11.h: Similarly.
4465 * config/pj/pj.h: Similarly.
4466 * config/romp/romp.h: Similarly.
4467 * config/rs6000/rs6000.h: Similarly.
4468 * config/sh/sh.h: Similarly.
4469 * config/sparc/sparc.h: Similarly.
4470 * config/v850/v850.h: Similarly.
4471 * config/vax/vax.h: Similarly.
4472 * config/we32k/we32k.h: Similarly.
4474 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4476 * doc/c-tree.texi: Document representation of attributes.
4478 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4480 * doc/tm.texi: Update some places for the rename of target to
4483 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4485 * target.h (struct gcc_target): Add insert_attributes.
4486 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4487 (TARGET_INITIALIZER): Update.
4488 * tree.c, tree.h (default_insert_attributes): New function.
4489 Update comments on other default functions to refer to targetm,
4491 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4492 TARGET_INSERT_ATTRIBUTES.
4493 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4494 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4495 Don't use PRAGMA_INSERT_ATTRIBUTES.
4496 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4497 * c-decl.c (start_decl, start_function): Don't call
4498 SET_DEFAULT_DECL_ATTRIBUTES.
4499 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4500 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4502 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4503 (c4x_check_attribute): Avoid modifying attribute list itself.
4504 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4506 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4507 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4509 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4510 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4512 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4513 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4515 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4516 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4517 Adjust parameters. Make static.
4519 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4521 * c-common.c (decl_attributes): Only take a single attributes
4523 * c-common.h (decl_attributes): Update prototype.
4524 * c-decl.c (start_decl, start_function): Only take a single
4525 attributes parameter. Update calls to decl_attributes.
4526 (finish_struct, finish_enum): Update calls to decl_attributes.
4527 (push_parm_decl): Expect unified list of attributes. Update call
4529 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4530 notype_nested_function, component_declarator,
4531 component_notype_declarator, label): Update calls to
4533 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4534 lists that are passed to push_parm_decl.
4535 * c-tree.h (start_function, start_decl): Update prototypes.
4536 * config/sh/sh-protos.h, config/sh/sh.c
4537 (sh_pragma_insert_attributes): Only take a single attributes
4539 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4540 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4541 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4542 build_module_descriptor, generate_static_references,
4543 generate_strings, build_selector_translation_table,
4544 generate_descriptor_table, generate_protocols,
4545 generate_ivars_list, generate_dispatch_table,
4546 generate_protocol_list, generate_category,
4547 generate_shared_structures, really_start_method, add_objc_decls,
4548 generate_classref_translation_entry): Update calls to start_decl
4550 (build_tmp_function_decl, start_method_def): Unify attribute lists
4551 that are passed to push_parm_decl.
4553 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4555 * final.c (no_asm_to_stream): New.
4556 (final_scan_insn): Use target structures for prologue ends
4557 and epilogue starts.
4558 * output.h (no_asm_to_stream): New.
4559 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4560 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4561 (TARGET_ASM_OUT): Update.
4562 * target.h (struct gcc_target): New members function_end_prologue
4563 and function_begin_epilogue.
4564 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4565 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4566 * config/alpha/alpha.c (output_end_prologue): Rename to
4567 alpha_output_function_end_prologue. Use in target struct
4569 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4570 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4571 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4572 ia64_output_function_end_prologue. Use in target struct
4574 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4575 mistyped prototypes.
4576 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4577 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4579 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4580 an use in target struct, make static.
4581 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4584 2001-07-08 Richard Henderson <rth@redhat.com>
4586 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4588 2001-07-08 Richard Henderson <rth@redhat.com>
4590 * config/i386/i386.md: Remove constraints strings from define_split
4591 and define_peephole2 patterns.
4592 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4593 (eh_return): Use them.
4595 2001-07-08 Richard Henderson <rth@redhat.com>
4597 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4598 Document MD_FALLBACK_FRAME_STATE_FOR.
4600 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4602 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4603 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4605 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4607 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4609 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4610 of the label inside NAME as opposed to just the end of NAME.
4612 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4614 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4615 * config/alpha/alpha.c (alpha_init_machine_status,
4616 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4617 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4618 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4619 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4621 2001-07-06 Stan Shebs <shebs@apple.com>
4623 * target.h (targetm): Rename global from "target", so as not to
4624 conflict with local variables.
4626 * c-typeck.c: Ditto.
4630 * cp/decl2.c: Ditto.
4631 * cp/typeck.c: Ditto.
4632 * 1750a/1750a.c: Ditto.
4633 * a29k/a29k.c: Ditto.
4637 * clipper/clipper.c: Ditto.
4638 * convex/convex.c: Ditto.
4639 * d30v/d30v.c: Ditto.
4640 * dsp16xx/dsp16xx.c: Ditto.
4641 * elxsi/elxsi.c: Ditto.
4642 * fr30/fr30.c: Ditto.
4643 * h8300/h8300.c: Ditto.
4644 * i370/i370.c: Ditto.
4645 * i386/i386.c: Ditto.
4646 * i860/i860.c: Ditto.
4647 * i960/i960.c: Ditto.
4648 * ia64/ia64.c: Ditto.
4649 * m32r/m32r.c: Ditto.
4650 * m68hc11/m68hc11.c: Ditto.
4651 * m68k/m68k.c: Ditto.
4652 * m88k/m88k.c: Ditto.
4653 * mips/mips.c: Ditto.
4654 * ns32k/ns32k.c: Ditto.
4656 * pdp11/pdp11.c: Ditto.
4657 * romp/romp.c: Ditto.
4658 * rs6000/rs6000.c: Ditto.
4660 * sparc/sparc.c: Ditto.
4662 * we32k/we32k.c: Ditto.
4663 * doc/tm.texi: Update the manual to match.
4665 2001-07-06 Richard Henderson <rth@redhat.com>
4667 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4668 DWARF2_UNWIND_INFO not just whether it is defined.
4670 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4672 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4673 call to simplify_binary_operation returns a new pattern.
4675 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4677 * glimits.h (__SHRT_MAX__): New.
4678 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4679 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4681 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4683 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4686 2001-07-06 Richard Henderson <rth@redhat.com>
4688 * bitmap.c (bitmap_release_memory): Move adjacent to the
4689 allocation functions.
4690 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4691 the implementation. Binary search for the set bit.
4692 (bitmap_union_of_diff): Allocate the temporary on the stack
4693 instead of using xmalloc.
4695 2001-07-06 Richard Henderson <rth@redhat.com>
4697 * genrecog.c (validate_pattern): Warn for constraints in
4698 define_{expand,split,peephole2}. Remove strict_low_part
4699 before looking up match_dup.
4701 2001-07-06 DJ Delorie <dj@redhat.com>
4703 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4704 chapter about various build hints and history. Add section
4705 talking about the various types of native and cross builds.
4707 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4709 * Makefile.in (final.o): Depend on target.h.
4710 * final.c: Include target.h.
4711 (default_function_pro_epilogue): New.
4712 (final_start_function): Use target structure for function prologues.
4713 (final_end_function): Use target structure for function epilogues.
4714 * fold-const.c (real_hex_to_f): Constify s and p.
4715 * output.h (default_function_pro_epilogue): New.
4716 * real.h (real_hex_to_f): Update prototype.
4717 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4718 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4719 (TARGET_INITIALIZER): Update.
4720 * target.h (gcc_target): Add struct asm_out.
4721 * doc/tm.texi: Update.
4724 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4725 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4726 in cpu/cpu.c, or rename old functions consistently. Take
4727 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4728 redundant macros and prototypes. Make new functions static.
4730 * 1750a/1750a.c: Similarly.
4731 * 1750a/1750a.h: Similarly.
4732 * a29k/a29k-protos.h: Similarly.
4733 * a29k/a29k.c: Similarly.
4734 * a29k/a29k.h: Similarly.
4735 * arc/arc-protos.h: Similarly.
4736 * arc/arc.c: Similarly.
4737 * arc/arc.h: Similarly.
4738 * arm/arm-protos.h: Similarly.
4739 * arm/arm.c: Similarly.
4740 * arm/arm.h: Similarly.
4741 * avr/avr-protos.h: Similarly.
4742 * avr/avr.c: Similarly.
4743 * avr/avr.h: Similarly.
4744 * clipper/clipper-protos.h: Similarly.
4745 * clipper/clipper.c: Similarly.
4746 * clipper/clipper.h: Similarly.
4747 * convex/convex.c: Similarly.
4748 * convex/convex.h: Similarly.
4749 * d30v/d30v-protos.h: Similarly.
4750 * d30v/d30v.c: Similarly.
4751 * d30v/d30v.h: Similarly.
4752 * d30v/d30v.md: Similarly.
4753 * dsp16xx/dsp16xx-protos.h: Similarly.
4754 * dsp16xx/dsp16xx.c: Similarly.
4755 * dsp16xx/dsp16xx.h: Similarly.
4756 * elxsi/elxsi.c: Similarly.
4757 * elxsi/elxsi.h: Similarly.
4758 * fr30/fr30.c: Similarly.
4759 * fr30/fr30.md: Similarly.
4760 * h8300/h8300-protos.h: Similarly.
4761 * h8300/h8300.c: Similarly.
4762 * h8300/h8300.h: Similarly.
4763 * i370/i370-protos.h: Similarly.
4764 * i370/i370.c: Similarly.
4765 * i370/i370.h: Similarly.
4766 * i386/i386.c: Similarly.
4767 * i386/osf1elf.h: Similarly.
4768 * i386/osfrose.h: Similarly.
4769 * i860/i860-protos.h: Similarly.
4770 * i860/i860.c: Similarly.
4771 * i860/i860.h: Similarly.
4772 * i960/i960-protos.h: Similarly.
4773 * i960/i960.c: Similarly.
4774 * i960/i960.h: Similarly.
4775 * ia64/ia64-protos.h: Similarly.
4776 * ia64/ia64.c: Similarly.
4777 * ia64/ia64.h: Similarly.
4778 * m32r/m32r-protos.h: Similarly.
4779 * m32r/m32r.c: Similarly.
4780 * m32r/m32r.h: Similarly.
4781 * m68hc11/m68hc11-protos.h: Similarly.
4782 * m68hc11/m68hc11.c: Similarly.
4783 * m68hc11/m68hc11.h: Similarly.
4784 * m68k/crds.h: Similarly.
4785 * m68k/dpx2.h: Similarly.
4786 * m68k/m68k-protos.h: Similarly.
4787 * m68k/m68k.c: Similarly.
4788 * m68k/m68k.h: Similarly.
4789 * m68k/news.h: Similarly.
4790 * m88k/m88k-protos.h: Similarly.
4791 * m88k/m88k.c: Similarly.
4792 * m88k/m88k.h: Similarly.
4793 * mips/mips-protos.h: Similarly.
4794 * mips/mips.c: Similarly.
4795 * mips/mips.h: Similarly.
4796 * ns32k/merlin.h: Similarly.
4797 * ns32k/ns32k.c: Similarly.
4798 * ns32k/ns32k.h: Similarly.
4799 * ns32k/tek6000.h: Similarly.
4800 * pa/pa-protos.h: Similarly.
4801 * pa/pa.c: Similarly.
4802 * pa/pa.h: Similarly.
4803 * pdp11/2bsd.h: Similarly.
4804 * pdp11/pdp11-protos.h: Similarly.
4805 * pdp11/pdp11.c: Similarly.
4806 * pdp11/pdp11.h: Similarly.
4807 * romp/romp-protos.h: Similarly.
4808 * romp/romp.c: Similarly.
4809 * romp/romp.h: Similarly.
4810 * rs6000/rs6000-protos.h: Similarly.
4811 * rs6000/rs6000.c: Similarly.
4812 * rs6000/rs6000.h: Similarly.
4813 * rs6000/sysv4.h: Similarly.
4814 * sh/sh-protos.h: Similarly.
4815 * sh/sh.c: Similarly.
4816 * sh/sh.h: Similarly.
4817 * sparc/sparc-protos.h: Similarly.
4818 * sparc/sparc.c: Similarly.
4819 * sparc/sparc.h: Similarly.
4820 * vax/vax.c: Similarly.
4821 * vax/vax.h: Similarly.
4822 * vax/vms.h: Similarly.
4823 * we32k/we32k.c: Similarly.
4824 * we32k/we32k.h: Similarly.
4826 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4828 * basic-block.h (first_insn_after_basic_block_note): Declare.
4829 * flow.c (first_insn_after_basic_block_note): Define. Moved
4831 * ssa.c (first_insn_after_basic_block_note): Remove.
4832 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4834 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4835 nodes when we find a dead conditional branch. Insert BARRIERs
4836 after any blocks with no successors, but which do not have
4839 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4841 * varray.c (varray_check_failed): Use internal_error.
4843 2001-07-05 Andrew Haley <aph@redhat.com>
4845 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4846 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4847 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4849 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4851 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4852 reference if the target constant is also a SYMBOL_REF.
4854 2001-07-05 Eric Christopher <echristo@redhat.com>
4856 * config/mips/mips.h (MASK_MIPS3900): Remove.
4857 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4858 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4859 (TARGET_MIPS3900): Change to use mips_arch.
4860 (TARGET_MIPS4000): New.
4861 (TARGET_MIPS4100): New.
4862 (TARGET_MIPS4300): New.
4863 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4864 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4866 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4867 (ISA_HAS_BRANCHLIKELY): To here.
4868 (CC1_CPU_SPEC): New.
4869 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4870 (mips_arch_string): Declare.
4871 (mips_arch): Declare.
4872 (TARGET_OPTIONS): Add -march and -mtune.
4874 * config/mips/mips.c (mips_arch_string): New.
4876 (override_options): Handle -march for codegen and -mtune
4877 for scheduling. Use mips_arch. Move tx39 target default here.
4878 (mips_parse_cpu): Move error message to override_options.
4880 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4882 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4884 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4885 (MIPS Options): Ditto. Change mcpu entry to historical text.
4887 2001-07-05 H.J. Lu (hjl@gnu.org)
4889 * config/mips/mips.c (mips_parse_cpu): New function to parse
4892 2001-07-05 Jim Wilson <wilson@redhat.com>
4894 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4895 * config/ia64/t-ia64: Likewise.
4896 (LIB1ASMFUNCS): Update comment.
4898 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4900 * doc/install.texi (Install GCC: Binaries): Fix typo.
4902 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4904 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4905 reference using the stack pointer, adjust it since we push Y
4907 ("*ashrsi3"): Likewise.
4908 ("*lshrsi3"): Likewise.
4910 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4912 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4913 when -fomit-frame-pointer is used.
4915 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4917 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4918 (try_redirect_by_replacing_jump): Reverse updating properly the
4919 count and frequency information. Reverse removing cc0 setter.
4920 (forwarder_block_p): Reverse fixing for fallthru blocks.
4922 2001-07-05 DJ Delorie <dj@redhat.com>
4924 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4925 (translate_options): If the above is defined, use it to map
4926 given options to new options.
4927 * doc/tm.texi: Document it.
4929 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4930 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4932 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4933 cause programs using computed gotos to run more slowly.
4935 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4937 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4939 Consistently require binutils 2.11.2, not prereleases.
4940 (Specific, decstation-*): Canonicalize as mips-dec-*.
4941 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4943 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4944 (Specific, mips-*): Reword MIPS C compiler requirements.
4945 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4946 (Specific, sunv5): Removed, obsolete.
4948 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4950 * dwarf2out.c (output_loc_list): Use an all ones mask for
4951 .text asm output and don't rely on long long
4952 literals. Reformat some long lines.
4954 2001-07-05 Andreas Jaeger <aj@suse.de>
4956 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4959 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4961 * dwarf2out.c (dwarf2out_define): Update comment.
4962 (dwarf2out_undef): Ditto.
4963 (dwarf2out_start_source_file): Ditto.
4964 (dwarf2out_end_source_file): Ditto.
4965 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4966 since we never call the start/end debug hook for the primary file.
4968 2001-07-04 Kazu Hirata <kazu@hxi.com>
4970 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4973 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4975 * cppinit.c (remove_dup_dirs): Inform if a system include
4976 directory is being reordered.
4977 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4979 * doc/cpp.texi (Search Paths): Likewise.
4980 * doc/gcc.texi (Interoperation): Remove information about
4983 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4985 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4986 (VARRAY_TOP_CHAR_PTR): Likewise.
4988 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * gcc.c (process_command): Don't assign elements of a const char*.
4992 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4994 * emit-rtl.c (change_address): Don't abort if invalid address while
4995 reload is in progress.
4997 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4999 * c-lex.c (cb_file_change): Pass line number to
5000 debug_start_source_file.
5001 (cb_undefine): Pass correct line number to debug_undef.
5003 * toplev.c (debug_start_source_file): Add line number to
5004 parameters. Pass it along to dwarf2out_start_source_file.
5005 (decode_g_option): Stop resetting debug level back to normal when
5006 we change debug formats, unless the current level is
5007 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
5010 * toplev.h (debug_start_source_file): Add line number to
5013 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
5016 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
5018 Output debug_macinfo data for starting file if requested.
5019 (dwarf2out_end_source_file): Output debug_macinfo data for ending
5021 (dwarf2out_define): Output debug_macinfo data for defining a macro
5023 (dwarf2out_undef): Output debug_macinfo data for undefining a
5025 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
5026 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
5027 (macinfo_section_label): New. DWARF2 macro info section label.
5028 (dwarf2out_init): If we want macro info, output the start label
5030 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5031 attribute to the compilation unit die pointing to the macro info.
5033 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5035 * dwarf2out.c (new_loc_list): Move to inside #ifdef
5036 DWARF2_DEBUGGING_INFO.
5037 (add_loc_descr_to_loc_list): Ditto.
5038 (output_loc_list): Ditto.
5039 Also, fix thinko in curr not being initialized.
5040 (gen_internal_sym): Ditto.
5042 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5044 * emit-rtl.c (replace_equiv_address): New function.
5045 * expr.h (replace_equiv_address): New declaration.
5046 * explow.c (validize_mem): Call it instead of change_address and
5047 also call if -fforce-addr and address is constant.
5048 * expr.c: Replace more calls to change_address with adjust_address
5049 and/or replace_equiv_address or to validize_mem.
5050 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5051 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5052 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5053 * config/i370/i370.md, config/i860/i860.md: Likewise.
5054 * config/i960/i960.md, config/mips/mips.c: Likewise.
5055 * config/mips/mips.md, config/pa/pa.md: Likewise.
5056 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5057 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5059 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5061 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5063 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5066 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
5068 * doc/include: New directory.
5069 * doc/fdl.texi: Move to doc/include/fdl.texi.
5070 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5071 * doc/include/funding.texi, doc/include/gpl.texi: New files.
5072 * doc/gcc.texi: Use funding.texi and gpl.texi.
5073 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5074 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5075 Update dependencies and use -I $(docdir)/include.
5077 2001-07-04 Anthony Green <green@redhat.com>
5079 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5081 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5083 * doc/install.texi (sparc64-*-*): Remove garbage.
5085 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
5087 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5088 Fix typo in last change to use adjust_address.
5090 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5092 * doc/install.texi (Specific): Update information for *-*-solaris*.
5094 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5096 * explow.c (plus_constant_wide): Reinitialize Y for restart.
5098 2001-07-03 Stan Shebs <shebs@apple.com>
5100 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5101 case for flag_no_mach_text_sections.
5102 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5103 * config/darwin.c (flag_no_mach_text_sections): Remove.
5104 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5106 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5108 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5109 and avoid checking for constant as first operand.
5110 * recog.c (find_constant_term_loc): No longer static.
5111 (adj_offettable_operand): Delete.
5112 * rtl.h (adj_offsettable_operand): Delete declaration.
5113 (find_constant_term): Add declaration.
5114 * caller-save.c: Replace calls to adj_offsettable_operand with calls
5116 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5117 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5118 * config/i386/i386.c, config/i386/i386.md: Likewise.
5119 * config/i860/i860.c, config/i960/i960.c: Likewise.
5120 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5121 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5122 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5123 * config/mips/mips.c, config/mips/mips.md: Likewise.
5124 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5125 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5126 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5127 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5128 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5129 * config/ns32k/ns32k.md: Likewise.
5131 2001-07-03 Zack Weinberg <zackw@stanford.edu>
5133 * rtl.c (copy_rtx): Handle 'T' format letter.
5134 * gensupport.c (collect_insn_data): Likewise.
5135 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5137 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
5139 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5140 -B option. Use 'dir' not 'foo' as example directory name.
5142 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5144 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5145 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5147 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5149 * doc/cppinternals.texi: Improve formatting and logical markup.
5151 2001-07-03 Andreas Jaeger <aj@suse.de>
5153 * Makefile.in (insn-recog.o): Add dependency on reload.h.
5155 * genrecog.c (write_header): Include reload.h for prototypes in
5158 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5161 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5162 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5163 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5164 i386_pe_valid_type_attribute_p): Add.
5165 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5166 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5168 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5170 * explow.c (plus_constant_wide, case LO_SUM): New case.
5171 (plus_constant_for_output_wide): Delete.
5172 * rtl.h (plus_constant_for_output): Delete.
5173 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5174 instead of plus_constant_for_output.
5175 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5176 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5177 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5178 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5179 * config/sparc/sparc.md: Likewise.
5180 Convert some change_address calls to adjust_address.
5182 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5184 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5185 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5186 documentation of -std and -Wwrite-strings.
5188 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5190 * cse.c (canon_hash): Don't register registers in very small
5191 register classes, as extending their lifetime might cause
5194 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5196 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5198 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5199 (try_redirect_by_replacing_jump): Update properly the count
5200 and frequency information.
5202 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5204 * toplev.c (dump_file_index): Move SSA dumps just after first
5206 (dump_file): Corresponding changes.
5207 (rest_of_compilation): Move SSA path to just after the first
5209 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5210 * doc/invoke.texi: Update dump file #s as they were completely
5211 out of date with reality.
5213 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5215 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5217 * expr.c (emit_move_insn_1): Deal with non-default
5220 * expr.c (emit_single_push_insn): Fix warning.
5222 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5224 * expr.c (emit_move_insn_1): Avoid modifying
5225 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5227 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5229 * emit-rtl.c (adjust_address): New function.
5230 * expr.h (adjust_address): Add declaration.
5231 * builtins.c: Replace some calls to change_address with calls to it
5233 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5234 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5235 * config/arm/arm.c, config/convex/convex.c: Likewise.
5236 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5237 * config/i386/i386.c, config/i386/i386.md: Likewise.
5238 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5239 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5240 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5241 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5242 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5244 2001-07-02 Jim Wilson <wilson@redhat.com>
5246 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5248 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5250 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5251 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5253 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5255 * cppinit.c (lang_defaults): New table.
5256 (set_lang): Just read from lang_defaults into the live options
5259 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5261 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5262 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5263 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5265 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5267 * doc/install.texi: Various spelling and markup fixes.
5268 (Installing GCC): Component specific installation instructions are
5271 Warn about removing old install dir in the presence of shared libs.
5272 (Configuration): Invoke with options target to match configure
5274 Consistently refer to gas, gld pathnames.
5275 Invert --enable-multilib documentation.
5276 Remove references to old compiler versions.
5278 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5280 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5282 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5284 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5286 (Specific, mips*-sgi-irix5): Note IDO download.
5287 Reworded MIPS C hints.
5288 Use GNU as instead of GAS.
5290 Removed SGI Freeware reference, IRIX 6 only.
5291 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5292 Note N64 library requirement/workaround.
5294 Complete list of structure passing bug victims.
5296 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5298 * doc/install.texi: Remove CVS Id.
5300 2001-07-02 Andreas Jaeger <aj@suse.de>
5302 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5303 (find_inherently_necessary): Remove unused variable.
5305 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5307 * c-common.h (TDI_inlined): New ast dump phase.
5308 (dump_flag_name): New function.
5309 * c-dump.c (dump_files): Add inlined phase.
5310 (dump_flag_name): Define.
5311 * doc/invoke.texi (-fdump-ast-inlined): Document.
5313 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5315 * stor-layout.c (layout_decl): Revert change to handling of alignment
5318 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5320 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5323 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5325 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5328 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5330 * tlink.c (recompile_files): Remove COMPILER_PATH and
5331 LIBRARY_PATH from the environment.
5333 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5335 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5336 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5338 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5340 * c-parse.in (OBJC_STRING): Kill.
5341 (objc_string): Decompose to [objc_string] '@' STRING.
5342 (reswords): Take the leading '@' off all the Objective C keywords.
5343 (objc_rid_sans_at): Kill.
5344 (init_reswords): Don't initialize it.
5345 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5346 (_yylex): Kill reconsider label. Look ahead one token after
5347 an '@'; if we get an identifier, check whether it's an
5348 Objective C @-keyword. If so, return the keyword. Otherwise,
5349 put back the token and return the '@' as a terminal.
5351 * cpplib.c (lex_macro_node): Remove unnecessary check for
5352 leading '@' on identifier. Clarify control flow and commentary.
5354 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5356 * cse.c (new_label_ref): Variable deleted.
5357 (insert): Remove set of new_label_ref.
5358 (check_for_label_ref): New function.
5359 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5361 See ChangeLog.5 for earlier changes.