| blob | 06114049b966c7ecae6c1d7ef1d0f88fc1817083 |
1 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3 * Makefile.in (OBJS): Add rtl-error.o
4 (rtl-error.o): New rule.
5 (diagnostic.o): Adjust dependency.
6 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
7 error_for_asm, _fatal_insn, _fatal_insn_not_found,
8 warning_for_asm): Move to...
9 rtl-error.c: ...here. New file.
11 2001-08-14 Richard Henderson <rth@redhat.com>
13 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
14 if USING_SJLJ_EXCEPTIONS.
16 2001-08-14 Steve Ellcey <sje@cup.hp.com>
18 * tlink.c (scan_linker_output): Check string for unsatisfied in
19 addition to undefined and unresolved.
21 2001-08-14 Graham Stott <grahams@redhat.com>
23 * libgcc2.c (*): Replace EH_FRAME_SECTION with
24 EH_FRAME_SECTION_NAME.
26 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
28 * genattrtab.c (simplify_test_exp_in_temp): New function.
29 (simplify_test_exp): Avoid explicit use of temporary obstack.
30 (simplify_cond, insert_right_side, evaluate_eq_attr,
31 simplify_and_tree, simplify_or_tree, eliminate_known_true):
32 Use simplify_test_exp_in_temp.
33 (optimize_attrs): Iterate until expression stabilizes.
35 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
37 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
38 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
40 2001-08-13 Richard Henderson <rth@redhat.com>
42 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
43 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
44 * config/arm/conix-elf.h: Likewise.
46 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
48 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
49 in gcc.c.
50 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
52 * gcse.c (hash_scan_set): Expressions that are set as part of
53 jump instructions are not available.
55 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
57 * config/s390/s390.c (print_operand, s390_function_prologue,
58 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
60 2001-08-13 Richard Henderson <rth@redhat.com>
62 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
63 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
64 * doc/tm.texi (Exception Region Output): Document it.
66 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
68 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
69 DWARF2 instead of stabs by default.
71 2001-08-13 David Edelsohn <edelsohn@gnu.org>
73 * config/rs6000/rs6000.c: Include optabs.h.
75 2001-08-13 David Edelsohn <edelsohn@gnu.org>
77 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
78 save/restore routines.
79 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
81 2001-08-13 Andreas Jaeger <aj@suse.de>
83 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
84 the english is correct.
86 2001-08-13 Zack Weinberg <zackw@panix.com>
88 * expr.h: Split out optab- and libfunc-related code to...
89 * optabs.h, libfuncs.h: ... these new headers.
91 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
92 (OPTABS_H): New.
93 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
94 dependencies.
95 * mkconfig.sh: Don't include insn-codes.h from config.h.
97 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
98 enum insn_code is available. Move reload_in_optab and
99 reload_out_optab array declarations to optabs.h.
100 * regmove.c (gen_add3_insn): Move to optabs.c, export from
101 there, prototype in expr.h.
102 * gencodes.c: Cleanup: zap global variables, don't use
103 printf where puts will do, don't bother defining MAX_INSN_CODE
104 which nothing uses, let CODE_FOR_nothing get its value implicitly.
106 * genemit.c, genopinit.c: Include optabs.h in generated file.
107 * genoutput.c: Include insn-codes.h in generated file.
108 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
109 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
110 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
111 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
112 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
113 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
114 Include optabs.h.
115 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
116 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
117 config/m88k/m88k.c, config/sparc/sparc.c:
118 Include libfuncs.h.
119 * reload.c: Include expr.h and optabs.h before reload.h.
120 * config/alpha/alpha.c: Include tree.h before reload.h.
121 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
122 and reload.h in that order.
123 * config/sparc/sparc.c: Include debug.h.
124 * recog.c: Include insn-codes.h.
126 2001-08-13 Andreas Jaeger <aj@suse.de>
128 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
129 s390*linux.
131 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
133 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
134 * gcc.c (init_spec): Fix typo in comment.
135 * varasm.c (data_section): Fix typo in comment.
137 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
139 * predict.c (dump_prediction): New argument "USED".
140 (combine_predictions_for_insn): Determine the used heuristics,
141 output the case no heuristic applied.
142 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
144 2001-08-13 Andreas Jaeger <aj@suse.de>
146 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
147 register %rip.
149 2001-08-13 Kazu Hirata <kazu@hxi.com>
151 * jump.c: Fix formatting.
153 2001-08-13 Kazu Hirata <kazu@hxi.com>
155 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
156 length.
158 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
160 * loop.c (check_dbra_loop): Use condjump_label to compute
161 jump_label.
163 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
164 to better document the files they're in.
166 2001-08-12 Zack Weinberg <zackw@panix.com>
168 * recog.h (struct insn_operand_data): Shrink 'mode' field
169 to 16 bits.
171 2001-08-12 Kazu Hirata <kazu@hxi.com>
173 * gcc.c: Fix comment formatting.
174 * gccspec.c: Likewise.
175 * gcov.c: Likewise.
176 * gcse.c: Likewise.
177 * genemit.c: Likewise.
178 * gengenrtl.c: Likewise.
179 * genrecog.c: Likewise.
180 * gensupport.c: Likewise.
181 * ggc-page.c: Likewise.
182 * global.c: Likewise.
183 * graph.c: Likewise.
184 * ifcvt.c: Likewise.
185 * integrate.c: Likewise.
186 * lcm.c: Likewise.
187 * libgcc2.c: Likewise.
188 * loop.c: Likewise.
189 * mbchar.c: Likewise.
190 * optabs.c: Likewise.
191 * predict.c: Likewise.
192 * prefix.c: Likewise.
193 * profile.c: Likewise.
194 * protoize.c: Likewise.
195 * real.c: Likewise.
196 * recog.c: Likewise.
197 * regclass.c: Likewise.
198 * regmove.c: Likewise.
199 * reg-stack.c: Likewise.
200 * reload1.c: Likewise.
201 * resource.c: Likewise.
202 * rtlanal.c: Likewise.
203 * rtl.c: Likewise.
205 2001-08-12 Kazu Hirata <kazu@hxi.com>
207 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
208 a tree representing a constant is passed to the macro.
210 2001-08-12 Richard Henderson <rth@redhat.com>
212 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
213 (rs6000_elf_asm_out_destructor): New.
214 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
215 (DTORS_SECTION_ASM_OP): Remove.
216 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
217 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
219 2001-08-12 David Edelsohn <edelsohn@gnu.org>
221 Revert:
222 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
223 * gcc.c (set_collect_gcc_options): New function, split out from
224 main.
225 Ignore elided switches.
226 (do_spec_1): Invoke before executing command.
227 (set_input): Export.
228 Move declaration ...
229 * gcc.h (set_input): ... here.
230 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
231 file.
233 2001-08-12 Richard Henderson <rth@redhat.com>
235 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
236 thinko wrt TARGET_RELOCATABLE.
238 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
240 * fix-header.c (cb_file_change): Update prototype.
242 2001-08-11 Zack Weinberg <zackw@panix.com>
244 * toplev.c (set_float_handler): Make static.
245 * toplev.h: Don't prototype set_float_handler.
247 * simplify-rtx.c: Don't include setjmp.h.
248 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
249 New functions.
250 (simplify_unary_operation, simplify_binary_operation): Use them,
251 via do_float_handler.
253 * fold-const.c: Don't include setjmp.h.
254 (exact_real_inverse_1): New function.
255 (exact_real_inverse): Use it, via do_float_handler.
257 * varasm.c: Don't include setjmp.h.
258 (assemble_real_1): New function.
259 (assemble_real): Use it, via do_float_handler.
260 Call internal_error if we get a trap here.
262 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
263 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
265 2001-08-11 Zack Weinberg <zackw@panix.com>
267 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
268 STACK_BOUNDARY if not already defined.
270 * calls.c, function.c, reload1.c, explow.c: Don't default
271 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
272 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
274 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
275 to run-time test.
277 * doc/tm.texi: Document that STACK_BOUNDARY is required;
278 clarify difference between it and PREFERRED_STACK_BOUNDARY.
280 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
282 * cppmacro.c (enter_macro_context): Push macro expansions even
283 if empty.
285 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
287 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
288 (rs6000_elf_section_type_flags): Actually return a value.
290 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
292 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
293 Clean up code: add missing comments and prototypes, fix warnings,
294 remove obsolete code, fix spacing to conform to coding style.
296 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
298 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
299 and TARGET_ASM_CLOSE_PAREN.
300 (regclass_map): CC register belongs to class NO_REGS.
301 (legitimize_pic_address): Don't generate unnecessary moves
302 (to avoid confusing loop optimization).
303 (check_and_change_labels): Replace jump_long by indirect_jump.
304 (s390_final_chunkify): Don't start a new literal pool on section
305 switch in 64-bit code.
306 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
308 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
309 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
310 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
311 modes correctly.
312 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
313 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
314 (CONST_COSTS): Fixed incorrect costs.
316 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
317 Use emit_jump instead of emit_jump_insn (gen_jump).
318 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
319 (to avoid confusing flow analysis).
320 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
321 (casesi, casesi_jump): New.
322 (jump_long): Removed. Functionality merged into indirect_jump.
323 (indirect_jump): Accept address_operand, not just register_operand.
324 (cjump_long, icjump_long): Use same logic as indirect_jump.
325 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
326 Fixed broken setjmp/longjmp handling.
327 (do_builtin_setjmp_setup): Removed.
329 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
330 broken GNU as versions that don't accept .quad with large
331 negative values. Use hexadecimal output instead.
332 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
333 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
334 FUNCTION_EPILOGUE): Removed. Now in targetm.
336 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
338 * config/s390/fixdfdi.h: Add missing copyright statement.
339 Fix type conflicts on 64-bit. Add missing SFmode routines.
341 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
342 email address.
344 2001-08-11 Richard Henderson <rth@redhat.com>
346 * rtl.h (REG_EH_RETHROW): Remove.
347 * rtl.c (reg_note_name): Update.
348 * combine.c (distribute_notes): Don't check for it.
350 2001-08-11 Richard Henderson <rth@redhat.com>
352 * combine.c (distribute_notes): Place REG_SETJMP.
354 2001-08-11 Richard Henderson <rth@redhat.com>
356 * doc/extend.texi (Arrays and pointers implementation): Discourage
357 relying on sign-extension of pointers.
359 2001-08-11 H.J. Lu <hjl@gnu.org>
361 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
362 in_dtors.
363 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
364 RDATA_SECTION_ASM_OP.
366 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
368 * doc/install.texi (Specific, c4x): Fix cross-reference to the
369 main manual to work both for info and HTML versions.
371 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
372 Matt Kraai <kraai@alumni.carnegiemellon.edu>
374 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
375 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
376 (struct cpp_pool): New member first.
377 * cppinit.c (append_include_chain): Plug memory leaks.
378 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
379 Allocate pragma structures from the (aligned) macro pool to
380 avoid leaking memory.
381 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
382 so we don't leak memory.
383 * hashtable.c (ht_destroy): New.
384 * hashtable.h (ht_destroy): New.
386 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
387 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
389 * c-lex.c (map): Make const.
390 (cb_file_change): Update for callback passing a line map.
391 Don't assume we have a previous map. Remove sanity check
392 about popping too many files.
393 * cpperror.c (print_location): Make map const.
394 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
395 (cpp_make_system_header): Similarly.
396 (search_from): Similarly.
397 (_cpp_execute_include): Don't remember where we came from.
398 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
399 (struct cpp_reader): Make map const.
400 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
401 * cpplib.c (do_line): Update; line maps now hold sysp.
402 (cpp_push_buffer): Similarly.
403 (_cpp_do_file_change): Similarly; callback with map instead.
404 (cpp_get_line_maps): Constify return value.
405 (_cpp_pop_buffer): Update.
406 * cpplib.h (struct cpp_file_change): Remove.
407 (struct cpp_callbacks): Update.
408 (cpp_get_line_maps): Constify return value.
409 * cppmacro.c (_cpp_create_definition): Update.
410 * cppmain.c (struct printer): Constify map.
411 (maybe_print_line): Similarly.
412 (print_line): Similarly. Deduce flags 1 and 2 here.
413 (cb_file_change): Update.
414 * line-map.c (free_line_maps): Warn regardless.
415 (add_line_map): Return pointer to const. When passed NULL to_file
416 with LC_LEAVE, use the obvious values for the return point so the
417 caller doesn't have to figure them out.
418 (lookup_line): Return pointer to const.
419 (print_containing_files): Take pointer to const.
420 * line-map.h (struct line_map): New members reason, sysp.
421 (add_line_map): Return pointer to const.
422 (lookup_line): Similarly.
423 (print_containing_files): Take pointer to const.
425 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
426 Richard Henderson <rth@redhat.com>
428 * regmove.c (regmove_optimize): Avoid setting a register twice in
429 a parallel set.
431 2001-08-10 Richard Henderson <rth@redhat.com>
433 * doc/extend.texi (Arrays and pointers implementation): Document
434 behavior of pointer/integer conversion.
436 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
438 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
440 2001-08-10 Richard Henderson <rth@redhat.com>
442 * doc/extend.texi (C Implementation): New chapter.
443 * doc/gcc.texi (Top): Link it in.
445 2001-08-10 Andrew Cagney <ac131313@redhat.com>
447 * doc/install.texi (Specific): Fix CVS merge botch.
449 2001-08-10 Richard Henderson <rth@redhat.com>
451 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
452 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
454 2001-08-10 Zack Weinberg <zackw@stanford.edu>
456 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
457 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
458 this macro is now required.
460 * cselib.c (cselib_process_insn), flow.c (propagate_block),
461 loop.c (find_and_verify_loops), reload.c (reload): Check
462 for rtx code of CALL_INSN, not CALL, when deciding if we
463 need to check for REG_SETJMP note.
465 * gcse.c (compute_hash_table, compute_store_table): Update
466 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
467 logic.
469 * config/avr/avr.c: Fix typo.
470 * config/convex/convex.c (expand_movstr): Use adjust_address.
471 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
472 variable.
473 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
474 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
475 Fix typo.
476 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
477 Do define STACK_BOUNDARY.
478 * config/i370/i370.c: Include expr.h.
479 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
480 config/pa/som.h, config/v850/v850.h: Take in_ctors and
481 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
482 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
483 * config/m88k/m88k.c: Include c-tree.h after expr.h.
484 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
485 * config/romp/romp.c: Include expr.h after tree.h.
486 Include toplev.h.
487 (output_fpop): Use xmalloc, not oballoc.
488 * config/we32k/we32k.c: Include expr.h.
490 2001-08-10 Kazu Hirata <kazu@hxi.com>
492 * config/h8300/h8300.h: Fix formatting.
494 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
496 * c-common.h (RETURN_NULLIFIED_P): Lose.
497 * c-semantics.c (genrtl_return_stmt): Don't check it.
499 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
501 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
502 (mips_annotate_frame_insn): New function.
503 (mips_emit_frame_related_store): New function.
504 (save_restore_insns): Don't mark instructions that set up the base
505 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
506 the store instructions instead.
507 (mips_expand_prologue): If the stack size is moved into a temporary
508 register, do not mark that move as frame-related. Add a
509 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
511 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
513 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
514 stack slot as unchanging if current_function_calls_eh_return.
516 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
518 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
519 access the second half of the TFmode scratch operand.
521 2001-08-10 Anthony Green <green@redhat.com>
523 * java/class.c (emit_register_classes): Conditionalize code on
524 JCR_SECTION_NAME.
526 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
528 * doc/install.texi (Specific, avr): Fix cross-reference to the
529 main manual to work both for info and HTML versions.
531 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
533 * stmt.c (expand_null_return_1): Remove code to generate simple returns
534 and "use_goto" argument.
535 (expand_null_return, expand_value_return): Update all callers.
536 * function.c (expand_function_end): Remove code to generate simple
537 return.
538 * config/vax/vax.md (epilogue): New expander for function return.
539 * doc/md.texi (epilogue): Remove "if defined".
541 2001-08-09 Zack Weinberg <zackw@stanford.edu>
543 * Makefile.in: Partially revert my previous change:
544 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
545 of the hashtab.o and safe-ctype.o rules.
547 2001-08-09 Richard Henderson <rth@redhat.com>
549 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
550 (USE_COLLECT2): Remove duplicate definition.
551 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
552 (use_collect2): Remove dead code.
553 * configure.in (use_collect2): Remove will_use_collect2 and
554 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
555 * configure: Rebuild.
557 * target.h (targetm.asm_out.constructor): New.
558 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
559 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
560 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
561 * varasm.c (in_ctors, in_dtors): New.
562 (assemble_constructor, assemble_destructor): Remove.
563 (default_stabs_asm_out_destructor): New.
564 (default_named_section_asm_out_destructor): New.
565 (dtors_section, default_dtor_section_asm_out_destructor): New.
566 (default_stabs_asm_out_constructor): New.
567 (default_named_section_asm_out_constructor): New.
568 (ctors_section, default_ctor_section_asm_out_constructor): New.
569 * output.h: Update declarations.
570 * c-decl.c (c_expand_body): Use target hooks instead of
571 assemble_constructor and assemble_destructor.
572 * profile.c (output_func_start_profiler): Likewise.
573 * objc/objc-act.c (finish_objc): Likewise.
574 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
575 for the constructor.
576 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
578 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
579 (DTORS_SECTION_ASM_OP): Likewise.
580 (__CTOR_LIST__): Use attribute section when possible.
581 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
583 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
584 ASM_OUTPUT_CONSTRUCTOR.
586 * config/darwin.c (machopic_asm_out_constructor): New.
587 (machopic_asm_out_destructor): New.
588 * config/darwin-protos.h: Update declarations.
589 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
590 (ASM_OUTPUT_DESTRUCTOR): Remove.
591 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
592 * config/nextstep.c (nextstep_asm_out_constructor): New.
593 (nextstep_asm_out_destructor): New.
594 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
595 (ASM_OUTPUT_DESTRUCTOR): Remove.
596 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
597 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
598 ASM_OUTPUT_*STRUCTOR.
599 * config/i386/aix386ng.h: Likewise.
601 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
602 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
603 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
604 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
605 * config/lynx.h: Likewise.
606 * config/netware.h: Likewise.
607 * config/psos.h: Likewise.
608 * config/alpha/alpha-interix.h: Likewise.
609 * config/alpha/elf.h: Likewise.
610 * config/arc/arc.h: Likewise.
611 * config/arm/aof.h: Likewise.
612 * config/arm/coff.h: Likewise.
613 * config/arm/elf.h: Likewise.
614 * config/c4x/c4x.h: Likewise.
615 * config/h8300/h8300.h: Likewise.
616 * config/i386/cygwin.h: Likewise.
617 * config/i386/djgpp.h: Likewise.
618 * config/i386/i386-coff.h: Likewise.
619 * config/i386/i386-interix.h: Likewise.
620 * config/i386/sco5.h: Likewise.
621 * config/i386/vsta.h: Likewise.
622 * config/i386/win32.h: Likewise.
623 * config/i960/i960-coff.h: Likewise.
624 * config/ia64/sysv4.h: Likewise.
625 * config/m68hc11/m68hc11.h: Likewise.
626 * config/m68k/coff.h: Likewise.
627 * config/m68k/mot3300.h: Likewise.
628 * config/m88k/m88k.h: Likewise.
629 * config/mcore/mcore-pe.h: Likewise.
630 * config/mcore/mcore.h: Likewise.
631 * config/mips/elf.h: Likewise.
632 * config/mips/elf64.h: Likewise.
633 * config/mips/iris6.h: Likewise.
634 * config/pa/pa64-hpux.h: Likewise.
635 * config/rs6000/sysv4.h: Likewise.
636 * config/sh/sh.h: Likewise.
637 * config/sparc/litecoff.h: Likewise.
639 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
640 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
641 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
642 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
643 (ASM_OUTPUT_DESTRUCTOR): Remove.
644 * config/a29k/a29k.c: Move include of tree.h.
645 * config/a29k/udi.h: Delete file.
646 * config/alpha/alpha.c (vms_asm_out_constructor): New.
647 (vms_asm_out_destructor): New.
648 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
649 (EXTRA_SECTION_FUNCTIONS): Likewise.
650 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
651 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
652 * config/c4x/c4x.c: Move include of tree.h.
653 * config/clipper/clipper.c (clix_asm_out_constructor): New.
654 (clix_asm_out_destructor): New.
655 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
656 (ASM_OUTPUT_DESTRUCTOR): Remove.
657 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
658 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
659 (TARGET_ASM_CONSTRUCTOR): New.
660 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
661 (sco_asm_out_constructor): New.
662 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
663 * config/i386/svr3gas.h: Remove stack grows up code.
664 Remove code duplicated from i386/sysv3.h.
665 (TARGET_ASM_CONSTRUCTOR): New.
666 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
667 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
668 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
669 (TARGET_ASM_CONSTRUCTOR): New.
670 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
671 (m68hc11_asm_out_destructor): New.
672 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
673 (TARGET_ASM_DESTRUCTOR): New.
674 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
675 * config/m68k/dpx2.h: Properly undef all the bits inherited from
676 config/svr3.h pertaining to section manipulation.
677 * config/m68k/dpx2g.h: Remove #if 0 code.
678 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
679 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
680 (ASM_OUTPUT_CONSTRUCTOR): Remove.
681 (TARGET_ASM_CONSTRUCTOR): New.
682 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
683 (m88k_svr3_asm_out_constructor): New.
684 (m88k_svr3_asm_out_destructor): New.
685 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
686 (ASM_OUTPUT_DESTRUCTOR): Remove.
687 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
688 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
689 * config/rs6000/aix.h: Likewise.
690 * config/mips/rtems64.h: Don't undef removed constructor related bits.
691 * config/mips/vxworks.h: Likewise.
692 * config/rs6000/lynx.h: Likewise.
693 * config/sh/elf.h: Likewise.
694 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
695 (DTORS_SECTION_ASM_OP): New.
696 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
697 (ASM_OUTPUT_DESTRUCTOR): Remove.
698 * config/sparc/sol2-sld-64.h: Likewise.
699 * config/vax/vax.c (vms_asm_out_constructor): New.
700 (vms_asm_out_destructor): New.
701 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
702 (ASM_OUTPUT_DESTRUCTOR): Remove.
703 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
705 * doc/tm.texi (@node Initialization): Update.
707 2001-08-09 Richard Henderson <rth@redhat.com>
709 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
710 (__do_global_dtors_aux): Use gp-relative static data to avoid
711 one dynamic relocation.
712 (__do_frame_setup): Register Java classes.
713 * config/alpha/crtend.asm (__JCR_END__): New.
715 2001-08-09 Zack Weinberg <zackw@stanford.edu>
717 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
718 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
719 (GEN, STAGESTUFF): Add new files.
720 (insn-constants.h, s-constants, tm-preds.h, s-preds,
721 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
722 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
723 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
724 as well as insn-codes.h and insn-flags.h in config.h; and no
725 extra headers in tconfig.h and hconfig.h.
727 * gencodes.c: Eliminate code to generate predicate declarations
728 or #defines for md-file constants.
729 * genconstants.c, genpreds.c: New files.
731 * i386.md: Re-order guard expressions such that TARGET_64BIT
732 comes first, when this permits better optimization. Add
733 TARGET_64BIT to more x86-64 patterns. Add comment explaining
734 why this is desirable.
736 2001-08-09 Jakub Jelinek <jakub@redhat.com>
738 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
739 (find_fde_for_dso): Remove.
740 (_Unwind_IteratePhdrCallback): New.
741 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
742 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
744 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
746 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
747 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
749 2001-08-09 Graham Stott <grahams@redhat.com>
751 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
752 (vis_no_unit): Use it.
753 (visualize_no_unit): Add the insn only if room exists.
755 2001-08-09 Graham Stott <grahams@redhat.com>
757 * predict.c (estimate_probability): Replace magic numbers with
758 appropriate enumeration.
760 2001-08-09 Graham Stott <grahams@redhat.com>
762 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
763 parameter.
764 (EXTRACT_FLAGS): Likewise.
766 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
768 * config/mips/mips.c (mips_legitimate_address_p): Check for
769 CONST_INT in last patch.
771 2001-08-08 Anthony Green <green@redhat.com>
773 * java/class.c (emit_register_classes): Use assemble_jcr if
774 possible. Keep the original mechanism as a fallback.
775 * defaults.h (JCR_SECTION_NAME): Define if we have named section
776 and weak symbol support.
777 * crtstuff.c (__JCR_LIST__): Define.
778 (__JCR_END__): Define.
779 (_Jv_RegiserClasses): Define weak symbol if possible.
780 (__do_global_ctors_aux): Register classes for ELF targets with
781 weak symbol support.
783 2001-08-08 Kazu Hirata <kazu@hxi.com>
785 * dbxout.c: Fix comment formatting.
786 * dependence.c: Likewise.
787 * df.c: Likewise.
788 * diagnostic.c: Likewise.
789 * dominance.c: Likewise.
790 * doprint.c: Likewise.
791 * dwarf2out.c: Likewise.
792 * dwarfout.c: Likewise.
793 * emit-rtl.c: Likewise.
794 * except.c: Likewise.
795 * explow.c: Likewise.
796 * expmed.c: Likewise.
797 * expr.c: Likewise.
798 * flow.c: Likewise.
799 * fold-const.c: Likewise.
800 * function.c: Likewise.
802 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
804 * global.c (retry_global_alloc): Avoid shadowing allocno.
806 2001-08-08 Mark Mitchell <mark@codesourcery.com>
808 * except.c (remove_fixup_regions): Fix typo.
810 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
812 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
813 unsigned HOST_WIDE_INT to avoid warning.
814 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
815 * flow.c (set_block_for_new_insns): Likewise.
817 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
819 * sibcall.c (return_value_pseudo): New static variable.
820 (skip_copy_to_return_value): Handle return_value_pseudo.
821 (call_ends_block_p): Ensure that return_value_pseudo is set.
822 (optimize_sibling_and_tail_recursive_call): Discover the
823 load of pseudo return value in alternate exit block.
825 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
827 * calls.c (ECF_ALWAYS_RETURN): New constant.
828 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
829 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
830 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
831 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
832 * rtl.c (reg_note_name): New name.
833 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
835 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
837 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
839 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
841 * alias.c (get_alias_set): Return a previously calculated
842 alias set for a VAR_DECL.
843 * function.c (gen_mem_addressof): Calculate the alias set before
844 touching the RTL.
846 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
848 * predict.def: Set hitrates according our experimental run.
850 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
852 * i386.h (HARD_REGNO_RENAME_OK): New macro.
854 2001-08-08 H.J. Lu <hjl@gnu.org>
856 * config/mips/mips.c (mips_unique_section): New. Copied from
857 config/mips/elf.h.
859 * config/mips/mips-protos.h (mips_unique_section): New
860 prototype.
862 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
864 * config/mips/little.h: New. Generic little endian mips
865 targets. Only mips*-*-linux* is converted to use it so far.
867 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
868 (WCHAR_TYPE): Defined
869 (WCHAR_TYPE_SIZE): Likewise.
870 (INIT_SUBTARGET_OPTABS): Likewise.
871 (BSS_SECTION_ASM_OP): Likewise.
872 (SBSS_SECTION_ASM_OP): Likewise.
873 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
874 (ASM_DECLARE_OBJECT_NAME): Likewise.
875 (UNIQUE_SECTION): Likewise.
876 (EXTRA_SECTIONS): Likewise.
877 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
878 (ASM_OUTPUT_DESTRUCTOR): Likewise.
879 (ASM_OUTPUT_DEF): Likewise.
880 (HANDLE_SYSV_PRAGMA): Removed.
881 (NO_IMPLICIT_EXTERN_C): Likewise.
882 (TARGET_MEM_FUNCTIONS): Likewise.
883 (STARTFILE_SPEC): Likewise.
884 (ENDFILE_SPEC): Likewise.
885 (LIB_SPEC): Likewise.
886 (INVOKE__main): Likewise.
887 (CTOR_LIST_BEGIN): Likewise.
888 (CTOR_LIST_END): Likewise.
889 (DTOR_LIST_BEGIN): Likewise.
890 (DTOR_LIST_END): Likewise.
891 (SET_ASM_OP): Likewise.
892 (ASM_OUTPUT_SOURCE_LINE): Likewise.
893 (ASM_OUTPUT_DEF): Likewise.
894 (ASM_OUTPUT_IDENT): Likewise.
896 * config/mips/mips.h (ASM_SPEC): Undefine before define.
897 (CPLUSPLUS_CPP_SPEC): Likewise.
898 (ASM_APP_ON) Redefine only if not defined.
899 (ASM_APP_OFF): Likewise.
900 (ASM_OUTPUT_SOURCE_LINE): Likewise.
901 (ASM_OUTPUT_IDENT): Likewise.
903 * config.gcc: Update tm_file for Linux/mips.
905 2001-08-08 Bernd Schmidt <bernds@redhat.com>
907 * cselib.c (cselib_record_sets): If insn is predicated, turn
908 sources into IF_THEN_ELSEs.
910 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
911 Turn into define_insn_and_split.
913 * sched-deps.c: Include "cselib.h".
914 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
915 Use cselib to turn memory addresses into VALUEs.
916 (sched_analyze): Call cselib_init/cselib_finish if necessary.
917 * sched-int.h (struct sched_info): New member USE_CSELIB.
918 * sched-ebb.c (ebb_sched_info): Initialize it.
919 * sched-rgn.c (rgn_sched_info): Likewise.
920 * Makefile.in (sched-deps.o): Update dependencies.
922 * cselib.h (cselib_subst_to_values): Declare.
923 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
924 that have no value and autoincs to be handled by generating a new
925 dummy value.
927 2001-08-08 Graham Stott <grahams@redhat.com>
929 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
930 within fixed length SEQUENCE.
932 2001-08-08 Graham Stott <grahams@redhat.com>
934 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
935 (diagnostic_prefixing_rule): Likewise.
936 (diagnostic_line_cutoff): Likewise.
937 (diagnostic_kind_count): Likewise.
939 2001-08-08 Graham Stott <grahams@redhat.com>
941 * alias.c (find_base_decl): Delete redundent assignment.
943 2001-08-08 Graham Stott <grahams@redhat.com>
945 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
946 (abs): Uppercase and paranthesize macro parameter.
947 (MEM_DEPENDENCY): Add whitespace.
949 2001-08-08 Graham Stott <grahams@redhat.com>
951 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
952 failure check for CONST_INT
954 2001-08-08 Graham Stott <grahams@redhat.com>
956 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
957 (libcall_dead_p): Likewise.
959 (mark_used_regs): Constify fmt.
960 (find_use_as_address): Likewise.
962 2001-08-08 Graham Stott <grahams@redhat.com>
964 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
965 parameter.
967 2001-08-08 Graham Stott <grahams@redhat.com>
969 * combine.c (combine_simplify_rtx): Update comment and
970 remove erroneous test.
972 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
974 * cppinit.c (cpp_finish): Pop the final buffer without comment.
975 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
976 take care to avoid multiple no-newline at EOF warnings in that
977 case.
979 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
981 * calls.c (expand_call): Do not emit INSN_SETJMP note.
982 (emit_library_call_value_1): Likewise.
983 (emit_call_1): Emit REG_SETJMP note.
984 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
985 of INSN_SETJMP
986 * cselib.c (cselib_process_insn): Likewise.
987 * flow.c (propagate_block): Likewise.
988 * loop.c (find_and_verify_loops): Likewise.
989 * reload.c (find_equiv_regs): Likewise.
990 * reload1.c (reload): Likewise.
991 * resource.c (mark_referenced_resources,
992 mark_set_resources): Likewise.
993 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
994 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
995 * haifa-sched.c (unlink_other_notes): Likewise.
996 (reemit_notes): Likewise.
997 * sched-ebb.c (sched_ebb): Likewise.
998 * sched-rgc.c (sched_region): Likewise.
999 * rtl.c (note_insn_name): Likewise.
1000 (reg_note_name): Add REG_SETJMP
1001 * rtl.h (reg_note): Add REG_SETJMP.
1002 (insn_note): Remove NOTE_INSN_SETJMP.
1004 * profile.c (branch_prob): Add fake edges for setjmp.
1006 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
1008 * config.gcc: Quote target_cpu_default2 correctly for
1009 powerpc*-*-* targets.
1011 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1013 * cpplib.h, line-map.h: Update comments.
1014 * cppmain.c (printer_init): Move inline.
1015 (maybe_print_line, print_line): Take a map pointer.
1016 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1017 (cb_file_change): Don't use prior value of print.map.
1019 2001-08-07 David Edelsohn <edelsohn@gnu.org>
1021 * doc/install.texi: Document fine-grained multilib configuration.
1023 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1025 * rtlanal.c (find_first_parameter_load): Call note_stores
1026 only on the instructions.
1028 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1030 * alias.c (nonlocal_mentioned_p):
1031 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1032 * calls.c (emit_call_1): Likewise.
1033 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1034 * cselib.c (cselib_process_insn): Likewise.
1035 * df.c (df_insns_modify): Likewise.
1036 * flow.c (need_fake_edge_p): Likewise.
1037 (propagate_one_insn): Likewise.
1038 * haifa-sched.c (reemit_notes): Likewise.
1039 * integrate.c (copy_insn_list): Likewise.
1040 * jump.c (delete_prior_computation): Likewise.
1041 * local-alloc.c (validate_equiv_mem): Likewise.
1042 * loop.c (scan_loop): Likewise.
1043 * predict.c (estimate_probability): Likewise.
1044 * reload.c (reload): Likewise.
1045 * sched-deps (sched_analyze): Likewise.
1046 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1047 * gcse.c (compute_hash_table): Likewise.
1048 (mark_call): Likewise.
1049 (store_killed_in_insn): Likewise.
1051 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
1053 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1055 2001-08-06 Richard Henderson <rth@redhat.com>
1057 * varasm.c (assemble_gc_entry): Remove.
1058 * output.h: Likewise.
1060 2001-08-06 Richard Henderson <rth@redhat.com>
1062 * varasm.c (assemble_constructor): Take a symbol_ref and a
1063 priority instead of a bare string. Move priority handling
1064 here from cp/decl2.c.
1065 * output.h: Update decls.
1067 * c-decl.c (c_expand_body): Update calls to assemble_constructor
1068 and assemble_destructor.
1069 * profile.c (output_func_start_profiler): Likewise.
1070 * objc/objc-act.c (finish_objc): Likewise.
1071 (build_module_descriptor): Return the symbol not the symbol name.
1073 2001-08-06 David Edelsohn <edelsohn@gnu.org>
1075 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1076 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1077 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1078 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1079 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1080 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1082 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1084 * cpperror.c (print_containing_files): Moved to line-map.c.
1085 (print_location): line-map.c handles re-listing or otherwise.
1086 * cpphash.h (struct lexer_state): Remove next_bol.
1087 (struct cpp_buffer): Remove include_stack_listed.
1088 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1089 Remove faked buffer handling.
1090 (_cpp_do_file_change): Tweak.
1091 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1092 * cppmain.c (struct printer): Remove filename.
1093 (print_line, cb_file_change): Update accordingly.
1094 * line-map.c: Include intl.h.
1095 (init_line_maps): Initialize last_listed.
1096 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1097 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1098 (print_containing_files): New.
1099 * line-map.h (struct line_maps): New member last_listed.
1100 (print_containing_files, INCLUDED_FROM): New.
1101 * Makefile.in: Update.
1102 * po/POTFILES.in: Add line-map.c.
1104 2001-08-06 Richard Henderson <rth@redhat.com>
1106 * except.c (convert_from_eh_region_ranges_1): Never mark
1107 USE or CLOBBER insns as throwing.
1109 * expr.c (store_constructor): Don't clobber memory targets.
1111 2001-08-06 Andreas Jaeger <aj@suse.de>
1113 * profile.c (branch_prob): Remove unused variable insn.
1115 * Makefile.in (local-alloc.o): Add dependency on except.h.
1117 * local-alloc.c: Include except.h for can_throw_internal prototype.
1119 2001-08-06 Richard Henderson <rth@redhat.com>
1121 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1122 * function.c (expand_main_function): Implement it.
1123 * doc/tm.texi: Document it.
1125 2001-08-06 Stan Shebs <shebs@apple.com>
1127 * doc/install.texi: Document powerpc-*-darwin* details.
1129 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1131 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1132 (ASM_CPU_SPEC): Move back to rs6000.h
1133 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1135 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1137 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1138 readded.
1140 * config/rs6000/linux64.h: Ditto.
1142 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1143 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1144 nothing.
1146 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1147 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1149 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1150 to rs6000.h
1152 2001-08-05 Richard Henderson <rth@redhat.com>
1154 * local-alloc.c (update_equiv_regs): Do not move insns that
1155 can throw.
1157 2001-08-05 Jan Hubicka <jh@suse.cz>
1159 * Makefile.in (reload1.o): Add dedendancy on except.h
1160 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1161 prototypes.
1162 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1163 indicating wehther edges has been cleaned up.
1164 * reload1.c: Inlucde except.h
1165 (fixup_abnormal_edges): Accept deleted insns.
1166 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1167 after combine.
1169 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1171 * cpplib.c (do_line): Correct line number after pop_buffer.
1173 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1175 PR preprocessor/3824
1176 * line-map.c: Update comments.
1177 * line-map.h: Update comments.
1178 * tradcif.y: Don't consider large numbers unsigned.
1180 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1182 PR preprocessor/3081
1183 * c-lex.c (map): New.
1184 (cb_file_change): Update map and use it.
1185 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1186 (c_lex): Update to use map.
1187 * cpperror.c (print_location): Move to using logical line numbers.
1188 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1189 (cpp_make_system_header): Similarly.
1190 (_cpp_execute_include): Stop line numbering hacks. Store the
1191 line we will return to.
1192 * cpphash.h (CPP_BUF_LINE): Remove.
1193 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1194 Add map and return_to_line.
1195 (_cpp_do_file_change): Update.
1196 * cppinit.c (cpp_start_read): Update line kludge.
1197 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1198 (trigraph_ok): Use logical line numbers for diagnostics.
1199 (skip_block_comment): Likewise.
1200 (skip_whitespace): Likewise.
1201 (skip_line_comment): Use pfile->line instead.
1202 (_cpp_lex_token): Update to use logical line numbering exclusively.
1203 Handle BOL locally. Accept new lines in directives, but keep
1204 pfile->line decremented. Diagnostics use logical lines. Update
1205 directive handling.
1206 * cpplib.c (SEEN_EOL): New.
1207 (skip_rest_of_line, check_eol): Use it.
1208 (end_directive): Increase line number when accepting the newline
1209 at the end of a directive.
1210 (run_directive): Simplify.
1211 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1212 (_cpp_do_file_change): Update to take buffer line number as an
1213 argument, and store the current map in the cpp_reader. Remove
1214 line number kludges.
1215 (_cpp_do__Pragma): Restore output position after a _Pragma.
1216 (cpp_push_buffer): Don't set output line or lineno.
1217 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1218 Remove line kludge. Set output_line.
1219 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1220 (parse_arg): Use logical lines.
1221 (save_lookahead_token): Save EOFs too now.
1222 * cppmain.c (struct printer): Fix comments.
1223 (printer_init): Simplify, let caller do errors.
1224 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1225 (maybe_print_line): Simplify.
1226 (print_line): Don't print a linemarker if -P.
1227 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1228 (cb_file_change): Simplify.
1229 * line-map.h (LAST_SOURCE_LINE): Fix.
1230 (CURRENT_LINE_MAP): New.
1232 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1234 * doloop.c (doloop_modify_runtime): Properly compute number of
1235 iterations if loop was unrolled.
1237 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1238 if their CSELIB_VAL_PTRs are.
1240 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1241 (setup_spill_pointers): Initialize it.
1242 (spill_restore_mem): Set it.
1243 (do_spill, do_restore): Use it to add REG_INC note.
1244 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1246 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1247 asms if other insns are available.
1249 * config/ia64/ia64.c (condop_operator): New predicate.
1250 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1251 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1252 patterns.
1254 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1255 temporary register than directly using a MEM.
1257 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1259 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1260 parameter in last change.
1262 2001-08-04 Zack Weinberg <zackw@panix.com>
1264 * sparc.md: Don't use #if inside C test expression.
1266 2001-08-04 Richard Henderson <rth@redhat.com>
1268 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1270 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1272 * cpphash.h (struct cpp_reader): New member directive_line.
1273 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1274 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1275 do_pragma): Pass line to callbacks.
1276 (start_directive): Record line of directive.
1277 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1278 cb_include): Similarly.
1279 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1280 Similarly.
1282 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1284 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1285 comment.
1287 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1289 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1291 * reload1.c (fixup_abnormal_edges): New static function.
1292 (reload): Use it.
1294 * flow.c (need_fake_edge_p): New function.
1295 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1296 avoid call insn to be very last insn in the insn stream.
1298 * profile.c (branch_prob): Call flow_call_edges_add instead of
1299 doing that by hand; cleanup cfg to re-merge basic blocks once
1300 we are done.
1302 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1304 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1305 are also on line-map.h.
1306 * cppfiles.c (stack_include_file): Update.
1307 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1308 (_cpp_pop_buffer): New.
1309 * cppinit.c (cpp_destroy, cpp_finish): Update.
1310 (do_includes): Mark each buffer to return at EOF.
1311 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1312 return as requested.
1313 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1314 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1315 * cpplib.h (cpp_pop_buffer): Remove.
1316 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1317 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1318 buffers.
1319 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1320 to pop buffers.
1321 (do_preprocessing): Update.
1322 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1323 * c-parse.in (_yylex): Similarly.
1324 * scan-decls.c (scan_decls): Similarly.
1325 * line-map.h: Update comments.
1327 * objc/Make-lang.in (objc-act.o): Update dependencies.
1329 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1331 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1332 and soft register for operand 0.
1333 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1335 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1337 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1338 register for operand 0.
1339 ("bitcmpqi_z_used"): Allow memory for operand 0.
1340 (split "bitcmpqi"): New split to handle address reg as operand 1.
1342 2001-08-04 Andreas Jaeger <aj@suse.de>
1344 * gcse.c: Revert Daniel's last patch.
1346 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1348 * sparc-protos.h: Add prototypes for fp_zero_operand and
1349 reg_or_0_operand.
1350 * sh-protos.h: Add prototype for fpul_operand.
1352 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1354 * doc/extend.texi (Other Builtins): Fix typo in last change.
1356 2001-08-03 Richard Henderson <rth@redhat.com>
1358 * target.h (gcc_target): Add asm_out.named_section,
1359 section_type_flags, have_named_sections.
1360 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1361 (TARGET_HAVE_NAMED_SECTIONS): New.
1362 (TARGET_SECTION_TYPE_FLAGS): New.
1364 * Makefile.in (toplev.o): Depend on TARGET_H.
1365 (varasm.o, dbxout.o): Likewise.
1366 * c-common.c (decl_attributes): Check targetm.have_named_sections
1367 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1368 * dbxout.c (dbxout_function_decl): Likewise.
1369 (dbxout_function_end): Likewise.
1370 * toplev.c (compile_file): Likewise.
1371 * varasm.c (exception_section): Likewise.
1372 * cp/decl2.c (finish_objects): Likewise.
1374 * defaults.h (EH_FRAME_SECTION): Remove.
1375 (EH_FRAME_SECTION_ASM_OP): Remove.
1376 (EH_FRAME_SECTION_NAME): New.
1377 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1378 (UNIQUE_SECTION_P): Remove.
1379 * dwarf2out.c (SECTION_FORMAT): Remove.
1380 (ASM_OUTPUT_SECTION): Remove.
1381 (output_call_frame_info): Use named_section_flags.
1382 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1383 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1384 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1385 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1386 (named_section_flags): New.
1387 (named_section): Use it and targetm.section_type_flags.
1388 (resolve_unique_section): New.
1389 (assemble_start_function): Use it.
1390 (asm_emit_uninitialised, assemble_variable): Likewise.
1391 (default_section_type_flags): New.
1392 (default_no_named_section, default_elf_asm_named_section): New.
1393 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1394 * output.h: Update varasm.c decls.
1395 (SECTION_*): New flags.
1397 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1398 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1400 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1401 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1402 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1403 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1404 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1405 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1406 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1407 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1408 * config/pa/pa64-hpux.h,
1410 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1411 (TARGET_ASM_NAMED_SECTION): New.
1412 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1413 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1414 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1415 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1416 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1417 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1418 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1419 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1420 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1421 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1422 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1423 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1424 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1425 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1426 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1427 * config/sparc/sysv4.h: Likewise.
1429 * config/nextstep.h: Error until named sections implemented.
1431 * config/a29k/a29k.c (a29k_asm_named_section): New.
1432 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1433 (vms_section_type_flags, vms_asm_named_section): New.
1434 * config/arm/arm.c (arm_elf_asm_named_section): New.
1435 * config/avr/avr.c (asm_output_section_name): Remove.
1436 * config/avr/avr-protos.h: Update.
1437 * config/c4x/c4x.c (c4x_asm_named_section): New.
1438 * config/h8300/h8300.c (h8300_asm_named_section): New.
1439 * config/i386/i386.c (sco_asm_named_section): New.
1440 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1441 (i386_pe_section_type_flags): New.
1442 (i386_pe_asm_named_section): New.
1443 * config/i386/i386-protos.h: Update.
1444 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1445 * config/mcore/mcore.c (mcore_asm_named_section): New.
1446 * config/mips/mips.c (iris6_asm_named_section): New.
1447 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1448 instead of UNIQUE_SECTION_P.
1449 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1450 (xcoff_asm_named_section): New.
1451 * config/sh/sh.c (sh_asm_named_section): New.
1452 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1454 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1455 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1456 (EH_FRAME_SECTION_NAME): New.
1457 (EXCEPTION_SECTION): New.
1458 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1459 (DEBUG_*_SECTION): Remove.
1460 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1461 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1462 (EH_FRAME_SECTION_ASM_OP): Remove.
1464 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1465 (ASM_OUTPUT_SECTION_NAME): Remove.
1466 (TARGET_ASM_NAMED_SECTION): New.
1467 (TARGET_HAVE_NAMED_SECTIONS): New.
1468 (TARGET_SECTION_TYPE_FLAGS): New.
1469 (EH_FRAME_SECTION_ASM_OP): Remove.
1470 (EH_FRAME_SECTION_NAME): New.
1472 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1474 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1475 for complex expressions when cfun == 0.
1476 * doc/extend.texi: Document that __builtin_constant_p can be
1477 used in data initializers as well as functions.
1479 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1481 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1482 variable I locally, instead of expecting a declaration in the
1483 calling context.
1485 2001-08-03 Richard Henderson <rth@redhat.com>
1487 * except.c (collect_one_action_chain): Add an explicit cleanup
1488 action if regions surrounding a catch were encoded entirely
1489 within the call-site entry.
1491 2001-08-03 Richard Henderson <rth@redhat.com>
1493 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1494 don't take REGNO of a non-register.
1496 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1498 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1499 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1500 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1501 (__gthread_mutex_init_function): New function for mutex initialization.
1503 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1505 * Makefile.in: Revert screwed up commit.
1507 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1509 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1510 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1511 merged by linker script to get a final _exit().
1512 (__do_global_dtors): New for destructor handling in specific exit
1513 section.
1514 (__do_global_ctors): New for constructors in specific install section.
1515 (__map_data_section): Map data sections before running constructors.
1516 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1517 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1518 (DTORS_SECTION_ASM_OP): Likewise.
1519 (CTORS_SECTION_FUNCTION): Define to force a reference to
1520 __do_global_ctors.
1521 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1523 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1525 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1527 * Makefile.in: Add df.h to gcse.c dependencies.
1529 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1531 * varasm.c (output_constant_def_contents): Use for the length of a
1532 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1533 depending on which is larger.
1535 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1537 * gcse.c: Include df.h for use as a dataflow analyzer.
1538 Remove regvec.
1539 Declaration of reg_set_info: gone.
1540 New df_analyzer variable used by store motion.
1541 (reg_set_info): Deleted.
1542 (mark_mem_regs): New function, analyze regs used by a mem.
1543 (store_ops_ok): Use dataflow analyzer results to determine if
1544 necessary regs are changed in the block.
1545 (find_moveable_store): Remove check for symbol ref, we can handle
1546 much more complex expressions now.
1547 (compute_store_table): Remove most of the code, it's unnecessary
1548 now that the dataflow analyzer records the info for us.
1549 (store_killed_after): Add parameter to say whether to do the
1550 store_ops_okay test, used to speed up testing when we already know
1551 the answer, and just want to know if the store itself was killed.
1552 (build_store_vector): Largely rewritten to calculate the various
1553 vectors properly, and somewhat optimized.
1554 (store_motion): Init the df_analyzer, get REG_DEF chains.
1555 Also handle trapping expressions (since mems almost always trap)
1556 (simple_mem): Redefine what a simple mem is.
1558 2001-08-03 DJ Delorie <dj@redhat.com>
1560 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1561 set from a constant part of the condition.
1563 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1565 * mkdeps.c (deps_add_default_target): Make local variable
1566 ``start'' a const char pointer.
1567 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1569 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1571 * doc/install.texi (Configuration): Fix markup.
1572 (Specific, i?86-*-udk): Likewise.
1573 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1574 --with-gnu-ld.
1575 Document --enable-threads and --enable-libgcj status.
1576 (Specific, mips-sgi-irix*): Canonicalize triples.
1577 (Specific, mips-sgi-irix5): Warn about problems with this config.
1578 Mention required GNU as patch.
1579 Native assembler problems are fixed.
1580 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1581 Document --enable-threads and --enable-libgcj status.
1583 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1585 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1586 of mkinstalldirs.
1588 2001-08-03 Richard Henderson <rth@redhat.com>
1590 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1591 constant data.
1593 2001-08-03 Richard Henderson <rth@redhat.com>
1595 * rtlanal.c (find_first_parameter_load): Stop if we
1596 reach a CODE_LABEL at BOUNDARY.
1598 2001-08-03 Richard Henderson <rth@redhat.com>
1600 * config/alpha/alpha.md (force_movdi): New insn.
1601 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1602 Tweek FRP marking of VMS prologue insns.
1603 * config/alpha/vms.h (EPILOGUE_USES): New.
1605 2001-08-02 Richard Henderson <rth@redhat.com>
1607 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1609 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1611 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1612 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1613 config/convex/convex.h, config/d30v/d30v.c,
1614 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1615 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1616 config/mips/mips.h, config/mn10200/mn10200.h,
1617 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1618 config/v850/v850.h, config/vax/openbsd.h,
1619 config/vax/openbsd1.h, config/vax/ultrix.h,
1620 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1621 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1622 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1623 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1624 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1625 in comments and documentation.
1627 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1629 * line-map.c: New.
1630 * line-map.h: New.
1631 * Makefile.in (line-map.o): New.
1632 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1633 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1634 * cpperror.c (print_containing_files): Similarly.
1635 (print_location): Update. Don't output a space before _Pragma.
1636 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1637 (stack_include_filee, cpp_make_system_header): Update.
1638 (_cpp_execute_include): Get logical line number right for calling
1639 as-yet-unterminated #include.
1640 * cpphash.h (struct cpp_reader): Add line_maps.
1641 (_cpp_do_file_change): Update.
1642 * cppinit.c (cpp_create_reader): Initialize line maps.
1643 (cpp_destroy): Destroy line maps.
1644 (cpp_start_read): Get logical line number right.
1645 * cpplex.c (parse_string): Only warn once for multi-line strings.
1646 Use boolean variable for null warning.
1647 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1648 already.
1649 (do_include_common): End the directive early.
1650 (do_line): Don't warn about out-of-range lines in preprocessed
1651 source. Update. Remove unused variables.
1652 (_cpp_do_file_change): Update for new line mapping.
1653 (pragma_cb): New typedef.
1654 (cpp_register_pragma): Stop looking ahead before calling the
1655 handler. Clean up.
1656 (do_pragma_system_header): End directive early.
1657 (cpp_get_line_maps): New.
1658 (cpp_pop_buffer): Fudge logical line. Update.
1659 * cpplib.h: Include line-map.h
1660 (enum cpp_fc_reason): Remove.
1661 (struct cpp_file_change): Update.
1662 (cpp_get_line_maps): New.
1663 * cppmain.c (struct_printer): New member map.
1664 (cb_file_change): Update for new mappings.
1665 * fix-header.c (cb_file_change): Similarly.
1667 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1669 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1670 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1672 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1674 * config/vax/vax.c: include expr.h.
1676 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1678 * Makefile.in ($(srcdir)/configure): Only rebuild in
1679 maintainer mode.
1680 ($(srcdir)/config.in): Only define in maintainer mode.
1681 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1683 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1685 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1687 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1689 * gcc.c (set_collect_gcc_options): New function, split out from
1690 main.
1691 Ignore elided switches.
1692 (do_spec_1): Invoke before executing command.
1693 (set_input): Export.
1694 Move declaration ...
1695 * gcc.h (set_input): ... here.
1696 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1697 file.
1699 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1701 Kill -fhonor-std.
1702 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1703 interaction.
1704 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1706 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1708 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1709 for the unnamed instructions it expands to.
1711 2001-08-02 Richard Henderson <rth@redhat.com>
1713 * regclass.c (call_really_used_regs): Conditionally define.
1714 (init_reg_sets_1): Don't use it if not defined.
1715 (fix_register): Similarly, don't set it.
1717 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1719 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1720 Correct comment that had been missed in the previous change.
1722 2001-08-01 Stan Shebs <shebs@apple.com>
1724 * config/darwin.c (machopic_stub_name): Try matching by name.
1725 (update_stubs): New function.
1726 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1727 unconditionally.
1729 2001-08-01 Richard Henderson <rth@redhat.com>
1731 * except.c (output_function_exception_table): Use assemble_align.
1732 * varasm.c (assemble_eh_label): Remove.
1733 (assemble_eh_align, assemble_eh_integer): Remove.
1735 2001-08-01 Robert Lipe <robertl@caldera.com>
1737 * dwarfout.c: Remove reference to README.DWARF.
1739 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1741 * regclass.c (call_really_used_regs): New array for registers which
1742 are actually used by a call.
1743 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1744 new array.
1745 (fix_register): Set call_really_used too.
1746 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1747 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1749 2001-08-01 Richard Henderson <rth@redhat.com>
1751 * read-rtl.c (read_name): Consider \r whitespace.
1753 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1755 * config.gcc: Recognize powerpc-*-netbsd*.
1757 * doc/install.texi (Host/target specific installation notes for
1758 GCC): Mention powerpc-*-netbsd*.
1760 * config/rs6000/netbsd.h: New file.
1761 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1762 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1763 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1764 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1765 (TARGET_VERSION): Redefine.
1767 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1768 mcall-netbsd as a match for mcall-sysv.
1769 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1770 (ncrti.S, ncrtn.S): New targets.
1771 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1773 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1774 "netbsd' as a V4 ABI.
1775 (ASM_SPEC): Check for -mcall-netbsd.
1776 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1777 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1778 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1779 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1780 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1781 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1782 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1784 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1785 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1787 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1789 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1790 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1791 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1792 including "unwind-pe.h".
1794 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1796 * rs6000.md (define_splits): Kill unused constraints.
1798 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1799 Jan Hubicka <jh@suse.cz>
1801 * function.c (thread_prologue_and_epilogue_insns): Kill code
1802 dealing with non-existent CFG.
1804 2001-08-01 Kazu Hirata <kazu@hxi.com>
1806 * alias.c: Fix comment formatting.
1807 * bitmap.c: Likewise.
1808 * builtins.c: Likewise.
1809 * calls.c: Likewise.
1810 * c-common.c: Likewise.
1811 * c-decl.c: Likewise.
1812 * c-dump.c: Likewise.
1813 * c-lex.c: Likewise.
1814 * collect2.c: Likewise.
1815 * combine.c: Likewise.
1816 * conflict.c: Likewise.
1817 * cppfiles.c: Likewise.
1818 * cppinit.c: Likewise.
1819 * cpplex.c: Likewise.
1820 * cpplib.c: Likewise.
1821 * cppmacro.c: Likewise.
1822 * cppspec.c: Likewise.
1823 * c-pragma.c: Likewise.
1824 * crtstuff.c: Likewise.
1825 * cse.c: Likewise.
1826 * cselib.c: Likewise.
1827 * c-semantics.c: Likewise.
1828 * c-typeck.c: Likewise.
1830 2001-08-01 H.J. Lu <hjl@gnu.org>
1832 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1834 2001-08-01 H.J. Lu <hjl@gnu.org>
1836 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1838 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1840 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1841 contextualizing Objective-C class name lookup by the lexer.
1842 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1843 seeing a TYPESPEC.
1844 (protocoldef): Add support for forward @protocol declarations.
1845 (yylexname): Suppress ObjC class name lookup in certain contexts;
1846 re-enable after lookup is complete.
1847 (_yylex): Re-enable ObjC class name lookup when certain
1848 punctuation marks are seen.
1850 * objc/objc-act.c (check_protocol_recursively): New function used
1851 for finding circular dependencies in protocols.
1852 (objc_declare_protocols): New function for handling forward
1853 @protocol declarations.
1854 (receiver_is_class_object): Detect the case when 'self' is used
1855 inside of a class method.
1856 (build_message_expr): Issue a warning if class method is desired
1857 but instance method is found instead.
1858 (conforms_to_protocol): Streamline.
1859 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1860 protocol Foo, even if 'Bar foo' does not.
1861 (check_protocols): Streamline.
1862 (start_protocol): Add checks for circular and duplicate protocol
1863 definitions.
1864 (encode_aggregate_within): For typedefs of structs, encode the
1865 underlying struct.
1866 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1867 (objc_declare_protocols): New prototype.
1869 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1871 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1872 * cpplex.c (handle_newline): Update prototype. Maintain logical
1873 line number.
1874 (skip_escaped_newlines, skip_block_comment, parse_string):
1875 Update accordingly.
1876 (_cpp_lex_token): Update, and store token position within the token.
1877 * cpplib.h (struct cpp_token): Add line and column entries.
1878 * cppmacro.c (replace_args): Position stringified tokens correctly.
1880 2001-08-01 Andreas Jaeger <aj@suse.de>
1882 * basic-block.h: Add prototype for last_loop_beg_note.
1884 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1886 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1887 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1888 comment.
1889 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1890 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1891 expand_decl_cleanup.
1892 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1893 the first RTX.
1894 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1895 operand while calling simple_cst_equal.
1896 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1897 operand is the cleanup expression, the third is the RTL_EXPR.
1898 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1900 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1902 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1904 2001-07-31 matthew green <mrg@eterna.com.au>
1906 * config.gcc (i386-*-netbsdelf): New description.
1907 * config/i386/netbsd-elf.h: New file.
1909 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1911 * loop.c (check_dbra_loop): Use single_set to compute
1912 jump_label.
1914 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1916 PowerPC reorg and support for powerpc64-*-linux*.
1918 Also fixes emitting of constants on 32 bit and 64 bit
1919 platforms.
1921 * config.gcc: powerpc64-*-linux* is a new target.
1922 Things that needed aix.h now also include xcoff.h
1924 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1925 xcoff.h.
1926 Move AIX specific stuff into aix.h.
1927 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1928 with more than just XCOFF now.
1929 (SET_ASM_OP): Remove, now defined where needed.
1930 (FUNCTION_PROLOGUE): New macro definition.
1931 (FUNCTION_EPILOGUE): New macro definition.
1932 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1934 * config/rs6000/xcoff.h: New file.
1936 * config/rs6000/linux64.h: New file.
1938 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1940 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1942 * rs6000.c (print_operand_address): Handle ELF syntax.
1943 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1944 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1945 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1947 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1949 * rs6000.c (rs6000_override_options): Only disable
1950 flag_function_sections for XCOFF.
1951 (exact_log2_cint_operand): New predicate.
1952 (reg_or_{add,sub}_cint64_operand): New predicates.
1953 (add_operand): Compare CONST_INT with fewer function calls.
1954 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1955 (print_operand, case 'p'): Ensure positive operand.
1956 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1957 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1958 (PREDICATE_CODES): Add new predicates.
1959 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1960 (divsi3, modsi3): Ensure positive power-of-2.
1961 (adddi3): Use new predicate. Split 32-bit constants more
1962 correctly. Re-arrange splitter to handle any constant.
1963 (subdi3): Use new predicate.
1964 (divdi3, moddi3): Ensure positive power-of-2.
1965 (movdi): Use rs6000_emit_set_const.
1966 (load_toc_v4_pic_di): Delete.
1968 2001-07-31 Graham Stott <grahams@redhat.com>
1970 * function.c (pad_below): Revert 2001-07-26 patch.
1972 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1974 * reg-stack (convert_regs_1): Fix best edge condition.
1976 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1978 * jump.c (duplicate_loop_exit_test): Better test for jumps
1979 entering the loop; create loop pre_header.
1981 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1983 * doc/install.texi: Add s390 and s390x as new targets.
1984 * doc/invoke.texi: Add documantation of S/390 and zSeries
1985 target options.
1986 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1988 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1990 * config/m68k/m68k.md: Replace all general_operand with
1991 nonimmediate_operand for all destinations.
1992 * config/m68k/m68k.c (not_sp_operand): Likewise.
1994 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1996 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1998 2001-07-30 Richard Henderson <rth@redhat.com>
2000 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2001 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2003 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2005 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2006 Add missing doc strings
2007 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2008 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2010 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2012 * i386.c (ix86_output_main_function_alignment_hack): New function.
2013 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2015 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2016 edges by EDGE_DFS_BACK flag.
2017 (dump_edge_info): Add dfs_back flag.
2018 * basic-block.h (EDGE_DFS_BACK): New constant.
2019 (mark_dfs_back_edges): Declare.
2020 * alias.c (loop_p): Remove.
2021 (mark_constant_function): Use mark_dfs_back_edges.
2023 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2024 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2025 (compensate_edge): Break out from ...
2026 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2027 (convert_regs_2): Set block_done once block is really done;
2028 Do updating of the predecesors counts.
2030 * toplev.c (rest_of_compilation): Recompute block_for_insn
2031 before post-reload cfg_cleanup.
2032 * function.c (thread_prologue_epilogue_insns):
2033 Call set_block_for_new_insns when emitting prologue directly.
2035 2001-07-30 Andreas Jaeger <aj@suse.de>
2037 * jump.c: Add prototype for mark_modified_reg.
2039 * cse.c (set_live_p): Add unused attribute.
2041 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2042 overflow.
2043 (scan_for_source_files): Use long for count to avoid overflow.
2044 (output_data): Likewise.
2045 (output_data): Don't use string concatatenation to silence gcc
2046 -traditional.
2048 * predict.c: Fix typos and grammar.
2050 * gcse.c (insert_insn_end_bb): Remove unused variables.
2052 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2054 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2055 (attempt_auto_inc): LIkewise.
2056 (mark_used_reg): Likewise.
2057 (try_pre_increment_1): Likewise.
2058 * regclass.c (regclass): Likewise.
2059 * global.c (allocno_compare): Update comment; change scaling factor.
2060 * local-alloc.c (QTY_CMP_PRI): Likewise.
2061 * regs.h (REG_FREQ_FROM_BB): New.
2062 (REG_FREQ_MAX): Likewise.
2064 2001-07-30 H.J. Lu <hjl@gnu.org>
2066 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2067 -D_GNU_SOURCE.
2069 2001-07-30 H.J. Lu (hjl@gnu.org)
2071 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2072 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2073 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2075 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
2077 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2078 as -mthumb-interwork when -mcpu=arm7 is specified.
2080 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2082 * predict.def (noreturn, loop branch, loop exit): Mark as first
2083 match heuristics.
2085 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
2087 * combine.c (try_combine): Avoid barrier after noop jumps.
2089 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2091 * cpphash.h (struct cpp_reader): Remove import_warning.
2092 * cpplib.c (skip_rest_of_line): Don't bother turning off
2093 macro expansion.
2094 (parse_include): Move include handling to...
2095 (do_include_common): ... here. Move import warning from...
2096 (do_import): ... here.
2097 (do_pragma_poison): Don't do a callback for poison identifiers.
2098 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2099 * cppmain.c (setup_callbacks): Similarly.
2101 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2103 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2104 handle multiple sets.
2105 * except.c (sjlj_mark_call_sites): .... here.
2106 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2108 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2110 Suggested by Richard Henderson and Richard Kenner:
2111 * combine.c (recog_for_combine): Use the fake recog
2112 only if instruction does not match.
2113 * rtl.h (NOOP_MOVE_INSN_CODE): New.
2114 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2116 * combine.c (try_combine): Discover noop jump as direct jump.
2118 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
2120 * df.c (df_rd_global_compute): Add successors to worklist, not
2121 current item.
2122 (df_ru_global_compute): Ditto.
2124 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2126 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2127 increment REG_N_SETS.
2129 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2131 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2133 * sbitmap.c (sbitmap_a_xor_b): New function.
2134 ifdef the basic block stuff on IN_GCC.
2136 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2138 * cppexp.c (parse_defined): Always record the macro name.
2139 (lex): Don't worry about identifiers, or special-case
2140 CPP_NOT here.
2141 (_cpp_parse_expr): Figure out at the end of the routine
2142 whether we saw a valid !defined() expression.
2143 * cppfiles.c (stack_include_file): Update for mi_valid.
2144 (_cpp_pop_file_buffer): Similarly.
2145 * cpplex.c (_cpp_lex_token): Similarly.
2146 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2147 mi_if_not_defined, mi_lexed): Remove.
2148 (mi_valid): New.
2149 * cpplib.c (do_if): Simplify.
2150 (do_endif, push_conditional, _cpp_handle_directive): Update
2151 for renaming of mi_state to mi_valid.
2152 doc:
2153 * cpp.texi: Add index entries for digraphs, and add comment
2154 that C++ refers to them as alternative tokens.
2156 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2158 * basic-block.h (CLEANUP_PRE_LOOP): New.
2159 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2160 * sibcall.c (optimize_sibling_calls): Likewise.
2161 * toplev.c (rest_of_compilation): Likewise.
2162 * flow.c (try_forward_edges): Take argument MODE;
2163 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2164 (try_optimize_cfg): Update call of try_forward_edges.
2166 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2167 Jan Hubicka <jh@suse.cz>
2169 * (validate_replace_rtx_1): Fix simplification of MINUS.
2171 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2173 PR preprocessor/3669
2174 * cppinit.c (init_dependency_output): Turn off dump requests
2175 if sending dependencies to stdout.
2177 2001-07-28 Richard Henderson <rth@redhat.com>
2179 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2180 not optimizing.
2182 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2184 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2186 2001-07-28 Kazu Hirata <kazu@hxi.com>
2188 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2189 is VAR_DECL first to prevent an ICE.
2191 2001-07-28 Richard Henderson <rth@redhat.com>
2193 * varasm.c (immed_real_const_1): Don't elide special cases for
2194 nested functions.
2195 (clear_const_double_mem): Clear const_tiny_rtx too.
2197 2001-07-28 Richard Henderson <rth@redhat.com>
2199 * dwarf2out.c (dw_val_class_offset): New.
2200 (struct dw_ranges_struct, dw_ranges_ref): New.
2201 (ranges_table, ranges_table_allocated): New.
2202 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2203 (add_AT_offset, add_ranges, output_ranges): New.
2204 (print_die, output_die): Handle dw_val_class_offset.
2205 (attr_checksum, size_of_die, value_format): Likewise.
2206 (gen_lexical_block_die): Handle non-contiguous blocks.
2207 (gen_block_die): Likewise.
2208 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2209 if needed. Dump the ranges table.
2210 * final.c (final_start_function): Remove unnecessary notes and
2211 rebuild the block tree before numbering the blocks.
2212 * function.c (reorder_blocks_0): Walk the existing block tree
2213 to unmark all blocks.
2214 (reorder_blocks_1): Create block fragments when duplicate block
2215 notes are seen.
2216 (reorder_fix_fragments): New.
2217 (reorder_blocks): Call it.
2218 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2220 2001-07-28 Richard Henderson <rth@redhat.com>
2222 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2224 2001-07-28 Richard Henderson <rth@redhat.com>
2226 * flow.c (add_to_mem_set_list): New function.
2227 (init_propagate_block_info): Use it.
2228 (mark_set_1): Likewise.
2229 (insn_dead_p): Canonicalize memory address for dead store
2230 comparison. Allow wider mode stores to kill narrower mode stores.
2231 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2232 (invalidate_mems_from_set): Don't handle MEMs.
2234 2001-07-28 Kazu Hirata <kazu@hxi.com>
2236 * config/h8300/h8300.h: Fix formatting.
2238 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2240 * basic-block.h (EDGE_FREQUENCY): New macro.
2241 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2242 for new BB/edges.
2243 * flow.c (find_sub_basic_blocks): Likewise.
2244 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2245 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2247 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2248 (HITRATE): New macro.
2249 (PRED_FLAG_FIRST_MATCH): New constant.
2250 (predictor_info): New field flgags.
2251 (combine_predictions_for_insn): Use DS theory to combine
2252 probabilities; set the edge probabilities when finished.
2253 (estimate_probability): Avoid duplicated matches
2254 of LOOP_BRANCH heuristics for nested loops; update comment.
2255 * predict.def: Add flags for each prediction, set probabilities
2256 according to B&L paper.
2257 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2259 * profile.c (compute_branch_probabilities): Cleanup way the edge
2260 probabilities are computed and REG_BR_PROB notes are dropped; if
2261 values does not match, emit error.
2262 (init_branch_prob): Do error instead of warning when profile driven
2263 feedback is missing or corrupt.
2265 2001-07-27 DJ Delorie <dj@redhat.com>
2267 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2268 against a constant, try to adjust the compare to have the desired
2269 constant in it so that min/max optimizations happen more often.
2271 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2273 * flow.c (last_loop_beg_note): New function.
2274 (redirect_edge_and_branch): Use it.
2275 (split_edge): Likewise.
2277 * alias.c (loop_p): Avoid uninitialized memory access.
2279 * flow.c (try_forward_edges): Avoid accessing freed memory.
2281 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2282 variable access.
2284 2001-07-26 Andrew Haley <aph@redhat.com>
2285 Joern Rennecke <amylaar@redhat.com>
2287 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2288 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2289 (SUBTARGET_CPP_SPEC): New.
2290 (CPP_SPEC): Remove.
2291 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2292 (SUBTARGET_CPP_PTR_SPEC): New.
2293 (CPP_DEFAULT_CPU_SPEC): New.
2294 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2295 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2296 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2297 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2298 (SUBTARGET_CPP_SPEC): Define as an empty string.
2300 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2302 * doc/install.texi (Configuration): Properly link the host
2303 specific instructions also when generating HTML.
2305 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2307 * flow.c (redirect_edge_and_branch_force): Test
2308 target->global_live_at_start.
2310 2001-07-26 Richard Henderson <rth@redhat.com>
2312 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2313 * rtl.h (avoid_constant_pool_reference): Declare it.
2314 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2315 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2317 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2319 * rtl.h (cleanup_barriers): Declare.
2320 * jump.c (cleanup_barriers): New function.
2321 * toplev.c (rest_of_compilation): Call cleanup_barriers
2322 before loop optimizer and after bb_reorder.
2324 * flow.c (back_edge_of_syntactic_loop_p): New.
2325 (split_edge): Use it.
2327 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2329 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2331 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2333 * cse.c (cse_process_notes): Replace any registers if the address
2334 remains valid.
2336 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2338 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2339 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2340 (propagate_block): Update prototype.
2341 * flow.c (update_life_info): Simplify the CFG and
2342 recalculate the global regs which are alive when
2343 removing dead code during a global update.
2344 (propagate_block): Return non-zero if an INSN is
2345 deleted.
2347 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2349 * Makefile.in (LIBICONV): Define.
2351 2001-07-26 Catherine Moore <clm@redhat.com>
2353 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2354 of conditional to avoid tree checking errors.
2356 2001-07-26 Kazu Hirata <kazu@hxi.com>
2358 * regmove.c (regmove_optimize): Don't replace a reg with
2359 another reg of a different mode.
2361 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2363 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2364 limit length of dependancy flush list.
2365 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2366 * sched-int.h (struct deps): Add pending_flush_length field.
2367 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2368 has 1 element in it.
2369 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2370 (sched_analyze): After a jump, if the pending memory flush list is too
2371 large, flush the pending lists.
2372 (init_deps): Initialize pending_flush_length to 0.
2373 * doc/invoke.texi (max_pending_list_length): Document parameter.
2375 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2377 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2378 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2379 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2381 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2383 * cpphash.h (struct_lexer_state): Delete was_skipping.
2384 Move skipping here from struct cpp_reader.
2385 * cpplex.c (parse_identifier): Update.
2386 (_cpp_lex_token): Don't skip tokens in a directive.
2387 * cpplib.c (struct if_stack): Update.
2388 (start_directive, end_directive): Don't change skipping state.
2389 (_cpp_handle_directive): Update.
2390 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2391 (do_else, do_endif): Update; only check for excess tokens if not
2392 in a skipped conditional block.
2393 (push_conditional): Update for new struct if_stack.
2395 2001-07-26 Graham Stott <grahams@redhat.com>
2397 * function.c (locate_and_pad_parm): Also pad initial offset
2398 so that the total argument size also includes the padding.
2400 2001-07-26 Graham Stott <grahams@redhat.com>
2402 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2403 change XSTR to XTMPL.
2405 (process_one_cond_exec): Likewise
2407 2001-07-25 Richard Henderson <rth@redhat.com>
2409 * varasm.c (assemble_variable): Create DECL_RTL before setting
2410 TREE_ASM_WRITTEN.
2412 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2414 * predict.c (estimate_probability): Avoid duplicated predictions.
2416 * loop.c (find_and_verify_loops): Grok multiple barriers.
2418 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2420 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2422 * dbxout.c: Consistently use putc instead of fputc.
2423 (print_wide_int): New function; call instead of direct fprintf.
2424 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2425 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2426 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2427 (print_int_cst_octal): Likewise.
2428 (print_octal): Show we wrote characters.
2429 (dbxout_type): Set have_used_extensions in more places.
2431 2001-07-25 Catherine Moore <clm@redhat.com>
2433 * config/v850/v850.c (v850_va_arg): Use addr
2434 instead of valist to build incr.
2436 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2438 * flow.c (delete_dead_jumptables): New function.
2439 (life_analyzis): Call it.
2440 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2441 sequences.
2443 2001-07-25 Richard Henderson <rth@redhat.com>
2445 * except.c (reachable_handlers): Handle a region being removed
2446 out from under a RESX.
2448 2001-07-25 Richard Henderson <rth@redhat.com>
2450 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2451 swap GE/GT if it is an fp comparison.
2453 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2455 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2456 operands.
2458 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2460 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2461 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2462 glitch.
2464 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2465 throw an exception.
2466 (visit_expression): When attempting to simplify an expression,
2467 retrieve any modes for arguments before they are simplified
2468 to constants.
2470 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2471 Janis Johnson <janis@us.ibm.com>
2473 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2474 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2475 pointer parameters to match documented usage of nonlocal_goto.
2476 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2477 parameters to their correct order.
2478 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2479 parameters to their correct order.
2481 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2483 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2485 2001-07-25 Jan Hubicka <jh@suse.cz>
2486 Richard Henderson <rth@redhat.com>
2488 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2489 the sequence.
2490 (make_edges): New argument update_p; populate the edge cache if set.
2491 (find_basic_blocks): Update make_edges invocation.
2493 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2495 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2497 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2499 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2500 -Acpu and -Amachine.h.
2501 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2502 Corrected header to say ELF not a.out.
2503 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2504 when given -msoft-float.
2506 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2508 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2509 extra multilib parts like arm-elf.
2510 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2511 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2512 crtfini.o as extra multilib parts.
2514 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2516 * configure.in: Add rtems as a supported thread model.
2517 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2518 * configure: Rebuilt.
2520 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2522 * stor-layout.c (get_mode_alignment): make it work when
2523 BITS_PER_UNIT is not a power of two.
2524 * builtins.c (get_pointer_alignment): Likewise.
2526 2001-07-24 Richard Henderson <rth@redhat.com>
2528 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2529 the retrieved constant into the expected mode.
2531 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2533 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2534 (verify_flow_info): Check for duplicated edges; clarify
2535 error reporting.
2537 * flow.c (block_label): Update basic_block_for_insn.
2538 (commit_edge_insertions): Call compute_bb_for_insn.
2540 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2541 returns too.
2543 * flow.c (redirect_edge_and_branch,
2544 try_optimize_cfg): Use redirect_edge_succ_nodup
2545 (redirect_edge_succ_nodup): New.
2546 * basic_block.h (redirect_edge_succ_nodup): Declare.
2548 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2549 after gcse.
2551 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2553 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2554 (try_crossjump_to_edge): Update commetns.
2555 (try_crossjump_bb): Likewise.
2557 2001-07-24 Richard Henderson <rth@redhat.com>
2559 * combine.c (distribute_notes): Move set of need_refresh
2560 for noop_move_p down to catch all cases.
2562 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2564 * recog.c (split_all_insns_noflow): New.
2565 * rtl.h (split_all_insns_noflow): Declare.
2566 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2567 * m68hc11.c (m68hc11_reorg): Likewise.
2568 * sh.c (machine_dependent_reorg): Likewise.
2569 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2570 call.
2572 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2574 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2575 (ashlsi3_n splitter): Likewise.
2576 (lshrsi3_n splitter): Likewise.
2578 (GOTaddr2picreg): Make const SImode.
2579 (sym_label2reg): Likewise.
2580 (symGOT2reg): Likewise.
2581 (symGOTOFF2reg) Likewise.
2583 (casesi_worker_0): Make unspec SImode.
2585 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2587 * config/sh/sh.c (barrier_align): Check that an operand really is
2588 an insn before extracting its INSN_CODE.
2590 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2592 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2593 dangling else.
2595 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2596 for SImode to prevent overflow.
2598 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2600 * config/mips/irix6-libc-compat.c: New file.
2601 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2602 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2603 passing workaround.
2605 2001-07-24 lars brinkhoff <lars@nocrew.org>
2607 * rtl.texi (REG_POINTER): Document.
2608 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2609 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2611 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2615 2001-07-23 Richard Henderson <rth@redhat.com>
2617 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2619 2001-07-23 Kazu Hirata <kazu@hxi.com>
2621 * config/h8300/h8300-protos.h: Add a prototype for
2622 general_operand_dst_push.
2623 * config/h8300/h8300.c (general_operand_dst_push): New.
2624 * config/h8300/h8300.h (OK_FOR_T): New.
2625 (EXTRA_CONSTRAINT): Use it.
2626 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2627 the existing movqi pattern.
2628 (movhi_push): Likewise.
2630 * reload.c: Fix comment typos.
2632 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2634 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2636 2001-07-23 H.J. Lu (hjl@gnu.org)
2638 * doc/extend.texi: Update __builtin_return_address and
2639 __builtin_frame_address.
2641 2001-07-23 Richard Henderson <rth@redhat.com>
2643 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2644 before CSE.
2645 * config/i386/i386.md: New setcc+movzbl peephole2.
2647 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2649 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2650 * objc/objc-act.c: Include debug.h.
2651 (synth_module_prologue): Save and restore debug hooks too.
2653 2001-07-23 lars brinkhoff <lars@nocrew.org>
2655 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2656 and C4X_FLOAT_FORMAT.
2657 (BOOL_TYPE_SIZE): Document.
2659 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2661 * unroll.c (loop_iterations): Fix miscalculation of initial
2662 giv offset.
2664 2001-07-13 Andrew Haley <aph@redhat.com>
2666 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2667 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2668 * config/sh/sh.c (sh_can_redirect_branch): New function.
2669 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2670 * reorg.c (steal_delay_list_from_target): Use
2671 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2673 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2675 * flow.c (try_simplify_condjump): Unlink insn chain on
2676 fallthru edge; use can_fallthru.
2678 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2680 * basic-block.h (find_sub_basic_block): Declare.
2681 * flow.c (make_edges): New arguments MIN and MAX;
2682 (find_sub_basic_blocks): Revamp to use make_edges
2683 and purge_dead_edges.
2684 (find_basic_blocks): Update call of find_sub_basic_block.
2686 * recog.c (split_all_insns): Always expect CFG to be consistent;
2687 call find_sub_basic_blocks in case something has changed.
2688 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2689 has been built.
2691 * basic-block.h (delete_noop_moves): Declare.
2692 * combine.c (combine_instructions): Call it.
2693 (recog_for_combine): Tolerate noop moves
2694 (distribute_notes): Force refresh when register dies at noop move.
2695 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2696 too.
2697 (life_analysis): Update delete_noop_moves call.
2698 (set_noop_p): Move too ...
2699 * rtlanal.c (noop_move_p): ... here.
2700 * rtl.h (noop_move_p): Declare.
2702 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2703 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2704 after combine.
2705 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2706 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2708 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2710 * reload.c (push_reload): Fix typo in comment.
2711 (find_reloads_address): Ditto.
2712 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2714 2001-07-22 Richard Henderson <rth@redhat.com>
2716 * flow.c: Grammar check and clarify a lot of comments.
2717 (try_simplify_condjump): Rename variables to be clearer.
2718 (try_forward_edges): Skip complex and fallthru edges.
2719 Rearrange tests to avoid duplicate checks.
2720 (flow_find_cross_jump): Likewise.
2721 (outgoing_edges_match): Allow match if neither branch has
2722 probability data. Loosen probability match to 5%.
2723 (try_crossjump_to_edge): Hoist repeated indirection into
2724 local variables.
2725 (try_crossjump_bb): Don't check complex edges. Eliminate
2726 redundant crossjump tests.
2727 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2728 checks before more expensive checks.
2730 2001-07-22 Richard Henderson <rth@redhat.com>
2732 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2733 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2734 arguments.
2736 2001-07-22 Richard Henderson <rth@redhat.com>
2738 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2739 (const_sint32_operand): Likewise.
2740 * m68k.md (anon mulsi pattern): Use const_int_operand not
2741 const_sint32_operand.
2742 (umulsi3_highpart): Zero extend a constant input.
2743 (smulsi3_highpart): Don't bother checking SImode constant.
2744 (const_umulsi3_highpart): Give op3 DImode.
2745 (const_smulsi3_highpart): Likewise.
2747 2001-07-22 Richard Henderson <rth@redhat.com>
2749 * flow.c (split_block): Make sure bb_note is included in the
2750 new block when splitting before a label.
2752 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2754 * basic-block.h (redirect_edge_and_branch_force,
2755 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2756 * flow.c (redirect_edge_and_branch_force,
2757 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2758 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2759 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2760 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2761 instead of label; update CFG after transformation.
2762 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2763 for finishing the transformation; handle even case where ELSE
2764 does not follow THEN.
2765 (find_if_case_2): Update call of dead_or_predictable; simplify
2766 CFG update.
2768 * emit-rtl.c (split_branch_probability): New global variable.
2769 (try_split): Take care to set split_branch_probability and
2770 create REG_BR_PROB note for new jump insns.
2771 * md.texi (define_split): Document new feature.
2773 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2775 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2777 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2778 (asm_out_file): Remove redundant declaration.
2779 (assemble_asm): Remove old #if 0 block.
2780 (assemble_variable): Remove end of function; debug output is
2781 now handled with global_decl. Remove old #if 0 block. Update.
2782 Remove saved_in_section and associated no-op code.
2783 * Makefile.in (varasm.o): Correct dependencies.
2785 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2787 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2788 the definition in defaults.h.
2790 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2792 * jump.c: Update comments.
2793 (delete_barrier_successors, delete_unreferenced_labels,
2794 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2795 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2796 jump_optimize, jump_optimize_minimal): Kill.
2797 (rebuild_jump_labels): Move code from jump_optimize_1.
2798 (purge_line_number_notes): Likewise.
2799 (copy_loop_headers): Likewise.
2800 * reg-stack.c: Update comment.
2801 * stmt.c: Likewise.
2802 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2803 JUMP_AFTER_REGSCAN): Kill.
2804 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2805 purge_line_number_notes and copy_loop_headers.
2807 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2808 Richard Henderson <rth@redhat.com>
2810 * dbxout.c (dbxout_global_decl): New.
2811 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2812 * sdbout.c (sdbout_finish): New.
2813 (sdbout_debug_hooks): Use it, add comments.
2814 (sdbout_global_decl): Defer initialised public vars to
2815 sdbout_finish.
2816 * varasm.c (assemble_variable): Don't output debug information
2817 for file-scope variables.
2819 2001-07-22 Richard Henderson <rth@redhat.com>
2821 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2822 (get_round_mode_suffix): New.
2823 (print_operand): Use them for [/]. Remove support for [&'`()+].
2824 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2825 * config/alpha/alpha.md (attr round_suffix): New.
2826 (attr trap_suffix): New.
2827 (all insns): Set them appropriately. Use %/ instead of the
2828 myriad punctuators.
2830 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2832 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2834 2001-07-22 Richard Henderson <rth@redhat.com>
2836 * regrename.c (regrename_optimize): Compute nregs for each
2837 potential target register.
2839 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2840 Richard Henderson <rth@redhat.com>
2842 * dbxout.c (dbxout_global_decl): New.
2843 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2844 * sdbout.c (sdbout_finish): New.
2845 (sdbout_debug_hooks): Use it, add comments.
2846 (sdbout_global_decl): Defer initialised public vars to
2847 sdbout_finish.
2848 * varasm.c (assemble_variable): Don't output debug information
2849 for file-scope variables.
2851 2001-07-21 H.J. Lu (hjl@gnu.org)
2853 * config/mips/mips.c (mips_cpu): Moved into ...
2854 (override_options): Here.
2856 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2857 mips_tune.
2858 (mips_cpu): Removed.
2860 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2862 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2863 ("iorqi3"): Likewise.
2864 ("xorqi3"): Likewise.
2865 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2866 ("*subhi3_sp): Likewise.
2867 ("*subhi3"): Likewise.
2868 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2869 reload problems.
2871 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2873 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2874 * config/freebsd.h: Likewise.
2875 * config/linux.h: Likewise.
2876 * config/openbsd.h: Likewise.
2877 * config/alpha/linux-elf.h: Likewise.
2878 * config/arm/linux-elf.h: Likewise.
2879 * config/d30v/d30v.h: Likewise.
2880 * config/fr30/fr30.h: Likewise.
2881 * config/ia64/aix.h: Likewise.
2882 * config/ia64/ia64.h: Likewise.
2883 * config/mips/linux.h: Likewise.
2884 * config/pj/pj.h: Likewise.
2885 * config/rs6000/linux.h: Likewise.
2886 * config/sparc/linux.h: Likewise.
2887 * config/sparc/linux64.h: Likewise.
2889 2001-07-20 Bruce Korb <bkorb@gnu.org>
2891 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2892 because getc() and char* may disagree on signedness.
2894 2001-07-20 Richard Henderson <rth@redhat.com>
2896 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2898 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2899 insns to delete in the presence of cc0 in a jump insn.
2901 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2902 Jan Hubicka <jh@suse.cz>
2904 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2905 of doing the change by hand.
2907 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2909 * rtlanal.c (set_noop_p): Return true for noop jumps.
2911 * expr.c (emit_single_push_insn): Add call to push expander.
2912 * expr.h (optab_index): Add OTI_push
2913 (push_optab): New constant.
2914 * genopinit.c (optabs): Add push_optab.
2915 * optabs.c (init_optab): Init push optab.
2916 * md.texi (push??1): Document
2918 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2920 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2921 expand to emit the pattern; put a REG_INC note for push/pop
2922 instructions.
2923 ("movdf", "movdf_internal"): Likewise.
2924 ("movsi", "movsi_internal"): Likewise.
2925 ("movsf", "movsf_internal"): Likewise.
2926 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2928 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2930 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2931 gen_highpart.
2933 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2935 * params.def: Change default max inline insns to 100.
2937 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2939 * combine.c (combine_simplify_rtx): Generate a new shift operation
2940 when simplifying the first operand of a (neg (ashift)) expression.
2942 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2944 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2946 2001-07-20 Kelley Cook <kelley.cook@home.com>
2948 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2949 information. Move rest into ...
2950 (*-*-solaris): ... here. Eliminate redundant information and
2951 reword necessary packages section. Delete 4.x assembler bug info.
2952 (sparc-sun-*): Merge into ...
2953 (sparc-sun-sunos*): here.
2955 2001-07-20 Catherine Moore <clm@redhat.com>
2957 * config/v850/v850.md (casesi): Generate LABEL_REF
2958 with Pmode.
2960 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2962 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2963 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2964 * i386.md (strclrsi expander): Use it.
2966 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2968 * integrate.c (copy_insn_list): handle
2969 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2970 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2971 identically as to CODE_LABEL.
2973 * fold-const (fold): Convert A/B/C to A/(B*C) and
2974 A/(B/C) to (A/B)*C
2976 * except.c (connect_post_landing_pads): Delete the RESX insns.
2978 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2980 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2982 * config/mips/mips.md (nmadd/nmsub): Use macro.
2984 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2986 * cppinit.c (remove_dup_dir): Make static.
2987 (remove_dup_dirs): Make static. Only warn about preempting a
2988 system directory with a non-system directory.
2990 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2992 * ifcvt.c (noce_try_store_flag_constants): Correct order
2993 of parameters to trunc_int_for_mode.
2995 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2997 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2998 an exception that will be caught within this function, do not fill
2999 its delay slot with any subsequent instruction.
3001 2001-07-19 Steve Ellcey <sje@cup.hp.com>
3003 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3004 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3005 pointer extension instruction.
3006 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3007 * simplify-rtx.c (simplify_unary_operation) Likewise.
3008 * explow.c (convert_memory_address) Check value of
3009 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3010 less than zero.
3011 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3012 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3013 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3014 Add Multilib Support.
3015 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
3016 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3017 Add Multilib Support.
3018 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3019 support.
3020 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3021 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3022 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3024 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
3026 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3027 old and new operands in `<', `3' and `b'.
3029 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3031 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3032 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3033 (toplev.o): Don't depend on xcoffout.h.
3034 * c-decl.c: Include debug.h
3035 (duplicate_decls): Use debug hook.
3036 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3037 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3038 (dbxout_types): Remove.
3039 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3040 * debug.c (do_nothing_debug_hooks): Update.
3041 (debug_true_tree, debug_nothing_rtx): New.
3042 * debug.h (struct rtx_def): New.
3043 (struct gcc_debug_hooks): New hooks ignore_block,
3044 outlining_inline_function and label.
3045 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3046 dwarf2out_frame_finish): New.
3047 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3048 Make static, update prototype.
3049 (dwarf2_debug_hooks): Update.
3050 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3051 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3052 * dwarfout.c (dwarf_debug_hooks): Update.
3053 * emit-rtl.c: Include debug.h.
3054 (remove_unnecessary_notes): Use debug hook.
3055 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3056 (final_scan_insn): Use debug hook.
3057 * integrate.c (output_inline_function): Use debug hook.
3058 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3059 (sdb_debug_hooks): Update.
3060 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3061 * toplev.c: Don't include xcoffout.h.
3062 (note_outlining_of_inline_function, debug_ignore_block): Remove.
3063 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3064 Remove.
3065 * tree.h (dwarf2out_do_frame): Remove.
3067 2001-07-19 Catherine Moore <clm@cygnus.com>
3069 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3071 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3073 * reload1.c (eliminate_regs_in_insn): When updating a set
3074 to the frame pointer to the hardware frame pointer, perform
3075 the update always not just when REPLACE is set.
3077 * reload1.c (choose_reload_regs): Don't inherit a reload
3078 that crosses multiple registers if registers past the first
3079 don't fit in the desired class.
3081 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3082 when negating constants.
3084 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
3086 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3087 * doc/tree.texi: Ditto.
3089 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
3090 Jakub Jelinek <jakub@redhat.com>
3092 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3093 (extract_cie_info): Handle "eh" augmentation properly,
3094 remember eh_ptr.
3095 (struct frame_state, __frame_state_for): New.
3097 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3099 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3100 HANDLE_SYSV_PRAGMA): Define.
3101 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3102 previous args.
3103 (copy_object): Caller changed.
3105 2001-07-19 Andreas Schwab <schwab@suse.de>
3107 * configure.in (assembler dwarf2 debug_line support): Define nop
3108 insn for m68k.
3109 * configure: Regenerated.
3111 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3113 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3114 dwarfout.h.
3115 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3116 to conditionally compiled block.
3117 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3118 * dbxout.h (dbxout_function): Remove.
3119 * debug.c (do_nothing_debug_hooks): Update.
3120 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3121 global_decl, deferred_inline_function.
3122 * dwarf2out.c (dwarf2_debug_hooks): Update.
3123 (dwarf2out_global_decl): New.
3124 * dwarfout.c: Don't include dwarfout.h.
3125 (dwarfout_global_decl, dwarfout_function_decl,
3126 dwarfout_deferred_inline_function): New.
3127 (dwarf_debug_hooks): Update.
3128 * dwarfout.h: Remove.
3129 * final.c: Don't include dwarfout.h.
3130 * sdbout.c (sdbout_global_decl): New.
3131 (sdbout_debug_hooks): Update.
3132 * toplev.c: Don't include dwarfout.h.
3133 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3134 (note_deferral_of_defined_inline_function): Remove.
3135 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3136 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3137 * ch/lex.c: Don't include dwarfout.h.
3138 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3139 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3140 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3141 * cp/optimize.c: Include debug.h.
3142 (maybe_clone_body): Use debug hook.
3143 * cp/semantics.c: Include debug.h.
3144 (expand_body): Use debug hook.
3145 * po/POTFILES.in: Remove dwarfout.h.
3147 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3149 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3150 * c-parse.in (yyerror, _yylex): Similarly.
3151 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3152 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3153 Update comments.
3154 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3155 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3157 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3159 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3160 in-class declaration at -g1. Fixes c++/2814.
3162 2001-07-18 Richard Henderson <rth@redhat.com>
3164 * doc/md.texi (reload_in/out): Document restrictions in predicates
3165 and constraints for these patterns. Document empty string matching
3166 ALL_REGS.
3168 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3170 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3172 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3174 * cse.c: Undo my previous patch.
3176 2001-07-18 Tom Tromey <tromey@redhat.com>
3178 For PR java/2812:
3179 * configure: Rebuilt.
3180 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3181 instead.
3182 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3184 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3185 Jan Hubicka <jh@suse.cz>
3187 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3188 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3189 * jump.c (mark_jump_label): Do not forward branches.
3191 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3193 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3194 when return value is unused.
3196 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3198 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3200 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3202 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3203 on error. We can't blindly return the result of
3204 pthread_mutex_trylock because it returns a positive number on
3205 error, while we must return -1 on error.
3206 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3207 fixes.
3208 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3210 2001-07-18 Andreas Jaeger <aj@suse.de>
3212 * integrate.c (output_inline_function): Correct type of debug_hooks.
3214 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3216 * combine.c (combine_simplify_rtx): DIV can be treated
3217 associatively for floats if unsafe math optimisations are enabled.
3219 2001-07-17 Richard Henderson <rth@redhat.com>
3221 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3223 2001-07-17 Richard Henderson <rth@redhat.com>
3225 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3226 don't force the function address into a register.
3227 (expand_call, emit_library_call_value_1): Update callers.
3228 * builtins.c (expand_builtin_apply): Likewise.
3229 * expr.h (prepare_call_address): Update decl.
3231 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3233 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3234 config directory.
3235 * config/i386/chorus.h: Move up.
3236 * config/sparc/chorus.h: Likewise.
3237 * config/rs6000/chorus.h: Likewise.
3238 * config/chorus.h: Moved here.
3240 2001-07-17 Andreas Schwab <schwab@suse.de>
3242 * configure.in (assembler eh_frame optimization): Handle big
3243 endian.
3244 * configure: Regenerated.
3246 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3248 * expr.c (epxand_expr): Convert divisions into multiplications by
3249 reciprocals if -ffast-math.
3251 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3253 * dbxout.c (dbxout_really_begin_function): Rename to
3254 dbxout_begin_function.
3255 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3256 (dbxout_begin_function): Remove.
3257 (dbxout_function): Update.
3258 (dbxout_source_line): Update prototype.
3259 * dbxout.h (dbxout_begin_function): Remove.
3260 * debug.c (do_nothing_debug_hooks): Update.
3261 (debug_nothing_tree): Update.
3262 (debug_nothing_charstar_rtx): Remove.
3263 * debug.h (union tree_node): Declare.
3264 (struct rtx_def): Remove.
3265 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3266 begin_function. Change source_line prototype.
3267 (debug_nothing_tree): New.
3268 (debug_nothing_charstar_rtx): Delete.
3269 (dwarf2out_begin_prologue): Moved from ...
3270 * tree.h: ... here.
3271 * dwarf2out.c (dwarf2_debug_hooks): Update.
3272 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3273 debug info, call dwarf2out_source_line.
3274 (dwarf2out_souce_line): Update prototype.
3275 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3276 Change prototype, make static.
3277 (dwarfout_source_line): Update prototype.
3278 (dwarf_debug_hooks): Update.
3279 * dwarfout.h (dwarfout_begin_function): Remove.
3280 * final.c (final_start_function, final_scan_insn): Use appropriate
3281 debug hooks, update to use notice_source_line.
3282 (output_source_line): Rename notice_source_line. Don't call the
3283 source_line debug hook.
3284 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3285 make static, update prototype.
3286 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3287 prototype.
3288 (sdbout_end_prologue): New.
3289 (sdbout_source_line): Update prototype.
3290 (sdbout_debug_hooks): Update.
3291 (sdbout_symbol): Remove unused var.
3292 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3293 Delete.
3294 * varasm.c: Include debug.h.
3295 (assemble_start_function): Use begin_function debug_hook.
3296 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3297 update with prototype.
3298 (xcoffout_source_line): Update prototype.
3299 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3300 update prototype.
3301 (xcoffout_source_line): Update prototype.
3303 2001-07-17 Richard Henderson <rth@redhat.com>
3305 * c-typeck.c (build_binary_op): Do not shorten unsigned
3306 right shift after sign extension.
3308 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3310 * combine.c (combine_simplify_rtx): Attempt to simplify
3311 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3313 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3314 (simplify_binary_operation, simplify_unary_operation,
3315 simplify_relational_operation): Use it.
3317 * combine.c (combine_simplify_rtx): Don't do associative law
3318 on divisions; allow associative law on floats.
3320 2001-07-17 H.J. Lu <hjl@gnu.org>
3321 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3323 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3324 ASM_OUTPUT_WEAK_ALIAS are defined.
3325 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3326 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3327 Moved ...
3328 * config/mips/iris5.h: ... here.
3329 (HANDLE_SYSV_PRAGMA): Defined as 1.
3330 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3331 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3332 symbol.
3334 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3336 * c-parse.in (all_prefix_attributes): New variable.
3337 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3338 (maybe_resetattrs): New production.
3339 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3340 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3341 notype_initdcl, nested_function, notype_nested_function,
3342 component_decl, components, components_notype,
3343 component_declarator, component_notype_declarator,
3344 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3345 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3346 after a comma being applied to more than one declarator.
3347 * doc/extend.texi (Attribute Syntax): Update. Remove
3348 documentation of bugs that are no longer present.
3350 2001-07-13 Eric Christopher <echristo@redhat.com>
3352 * config/mips/mips.h: Change TUNE_MIPS* options to use
3353 mips_tune.
3354 (EXTRA_SPECS): Add cc1_cpu_spec.
3355 * config/mips/mips.md (muldf3): Fix typo.
3357 2001-07-16 Richard Henderson <rth@redhat.com>
3359 * config/m68k/m68k.c: Include expr.h and reload.h.
3360 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3361 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3363 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3364 Richard Henderson <rth@redhat.com>
3366 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3367 (insn_live_p): Fix fall off end of function.
3368 (dead_libcall_p): Remove COUNTS argument; update callers.
3369 (delete_trivially_dead_insns): Remove unused variables.
3371 2001-07-17 Andreas Jaeger <aj@suse.de>
3373 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3374 x86-64 pic support.
3376 * lcm.c (optimize_mode_switching): Avoid warning for unused
3377 variable if !NORMAL_MODE.
3379 * flow.c (try_crossjump_to_edge): Remove unused variable.
3381 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3383 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3384 atexit declaration in stdlib.h.
3386 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3388 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3390 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3392 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3393 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3394 do rebuild_jump_labels instead of jump_optimize
3395 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3396 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3397 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3399 * flow.c: Include timevar.h
3400 (find_basic_block): Push/pop timevar;
3401 (cleanup_cfg): Likewise.
3402 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3403 * Makefile: Add dependencies on timevar.h
3405 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3406 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3408 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3409 * toplev.c (rest_of_compilation): Update calls.
3410 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3411 (delete_trivially_dead_insns): ... here; accept new argument
3412 preserve_basic_blocks; preserve basic blocks if set.
3414 * reg-stack.c (stack_regs_mentioned): Return 0 if
3415 stack_regs_mentioned_data is not initialized.
3416 (reg_to_stack): Make stack_regs_mentioned survive after the
3417 reg-stack is completted; do not call cleanup_cfg.
3418 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3419 make cleanup_cfg after bb-reorder to output to debug file.
3421 2001-07-16 Richard Henderson <rth@redhat.com>
3423 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3424 from int_reg_class_contents.
3426 2001-07-16 Richard Henderson <rth@redhat.com>
3428 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3429 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3430 (init_reg_sets_1): Move initialization from cse_main.
3431 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3432 (cse_main): Move its initialization also.
3433 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3434 * flow.c (propagate_one_insn): Likewise.
3435 * gcse.c (compute_hash_table): Likewise.
3436 (compute_kill_rd, compute_store_table): Likewise.
3437 * sched-deps.c (sched_analyze_1): Likewise.
3439 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3441 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3442 gen_rtx_SET.
3444 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3446 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3447 in if statement so we don't access undefined memory.
3449 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3451 * gcse.c: Update comment at top.
3452 Update comment on mem handling.
3453 mem_last_set, mem_first_set, mem_set_in_block: gone.
3454 Declaration of reg_set_info: gone.
3455 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3456 pointless with load_killed_in_block_p (they are *more*
3457 conservative then it, not less, and less accurate).
3458 (oprs_not_set_p): Ditto.
3459 (alloc_gcse_mem): Don't allocate mem_set_in_block
3460 (free_gcse_mem): Don't free it, either.
3461 (record_last_mem_set_info): Update comment in front, remove
3462 mem_*set_* stuff. Note the reason we don't handle stores directly
3463 here.
3464 (compute_hash_table): Update comments to reflect reality. Remove
3465 mem_*set_* references.
3466 (reset_opr_set_tables): Remove mem_*set_* references.
3467 (mark_call): Ditto.
3468 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3469 (mark_clobber): Ditto (on both parts, we double set here too).
3470 (expr_killed_p): Remove mem_set_in_block test.
3471 (compute_transp): Remove mem_set_in_block test.
3473 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3474 of edge, and removal of phi alternative to dump file.
3475 (ssa_ccp_substitute_constants): Add note about register now being
3476 constant, and which uses were replaced in what insns to dump file.
3478 2001-07-16 Andreas Jaeger <aj@suse.de>
3480 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3481 variables of type HOST_WIDEST_INT.
3483 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3484 (__bb_exit_func): Correct type of count_max to avoid overflow.
3485 (num_digits): Handle long long argument.
3487 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3489 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3491 * output.h (sdb_begin_function_line): Restore as an extern
3492 variable.
3493 * sdbout.c (sdb_begin_function_line): Make extern.
3495 2001-07-15 Richard Henderson <rth@redhat.com>
3497 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3498 * genrecog.c (maybe_both_true_mode): New.
3499 (maybe_both_true_2): Use it.
3500 (write_switch): Don't put Pmode in a switch.
3501 * rtl.c (mode arrays): Don't explicitly size them.
3503 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3505 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3506 handling; move unconditional splitting before mode switching.
3508 * i386.md (type): Add fistp type.
3509 (i387, length_attr, scheduling definitions): Handle this type.
3510 (fix_trunc?f?i2): Revamp to use mode switching.
3511 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3512 * i386.h (fp_cw_mode): New enum
3513 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3514 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3516 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3518 * Makefile.in (integrate.o): Add debug.h.
3519 * integrate.c (debug.h): Add.
3520 (output_inline_function): Save, reset, and restore debug_hooks.
3522 2001-07-15 Richard Henderson <rth@redhat.com>
3524 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3525 instead of COMPARE for the EQUIV expression.
3527 2001-07-15 Richard Henderson <rth@redhat.com>
3529 * flow.c (redirect_edge_and_branch_force): Initialize
3530 global_live_at_start and global_live_at_end.
3531 (allocate_bb_life_data): Export.
3532 * basic-block.h (allocate_bb_life_data): Declare.
3533 * toplev.c (rest_of_compilation): Call it.
3535 2001-07-15 Richard Henderson <rth@redhat.com>
3537 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3538 (alpha_tablejump_best_label): New.
3539 * config/alpha/alpha-protos.h: Declare them.
3540 * config/alpha/alpha.md: Use braced strings for code blocks.
3541 (tablejump_osf): Break out add with r29.
3542 (tablejump_osf_internal): Remove.
3543 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3544 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3546 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3548 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3549 of the movable.
3551 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3553 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3554 (ix86_fp_jump_nontrivial_p): New.
3555 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3556 use ix86_fp_jump_nontrivial_p.
3557 * i386.c (ix86_fp_jump_nontrivial_p): New.
3558 (ix86_split_fp_branch): Accept code instead of rtx.
3559 (ix86_expand_compare): Expand comparison early in case
3560 doing so is resonably cheap.
3562 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3564 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3565 not 'machine'.
3566 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3567 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3569 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3571 * dbxout.c (dbxout_source_line): Make static, update prototype.
3572 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3573 (dbxout_init, dbxout_finish, dbxout_source_line,
3574 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3575 * dbxout.h (dbxout_source_line): Delete.
3576 * debug.c (debug_nothing_file, debug_nothing_file_int,
3577 debug_nothing_file_charstar_rtx): New.
3578 (do_nothing_debug_hooks): Update.
3579 (debug_nothing_void, debug_nothing_charstar_rtx,
3580 dwarf2out_end_epilogue): New.
3581 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3582 * debug.h (struct rtx_def): Declare.
3583 (gcc_debug_hooks): New hooks source_line, end_epilogue
3584 and end_function.
3585 (debug_nothing_void, debug_nothing_charstar_rtx,
3586 dwarf2out_end_epilogue): New.
3587 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3588 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3589 (dwarf2_debug_hooks): Update.
3590 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3591 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3592 * dwarf2out.h (dwarf2out_source_line): Remove.
3593 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3594 Make static, update prototype.
3595 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3596 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3597 (dwarf_debug_hooks): Update.
3598 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3599 dwarfout_end_function): Remove.
3600 * final.c (profile_function): Use debug hooks for ending functions
3601 and epilogues.
3602 (output_source_line, final_end_function): Update prototype,
3603 use debug hooks.
3604 (final_start_function, final_scan_insn): Update.
3605 * output.h (sdb_begin_function_line): Remove.
3606 (final_end_function): Update prototype.
3607 * sdbout.c (sdb_begin_function_line): Make static.
3608 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3609 (sdbout_source_line): New.
3610 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3611 prototypes.
3612 (sdb_debug_hooks): Update.
3613 (sdbout_init, sdbout_source_line,
3614 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3615 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3616 * toplev.c (compile_file, rest_of_compilation): Update.
3617 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3618 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3619 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3620 Update for prototype changes.
3621 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3622 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3624 2001-07-15 Richard Henderson <rth@redhat.com>
3626 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3627 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3628 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3629 * config/alpha/alpha.c: Likewise.
3630 * config/alpha/alpha.md: Likewise.
3631 * config/alpha/alpha32.h: Likewise.
3632 * config/alpha/vms.h: Likewise.
3633 (OPEN_VMS): Remove.
3635 2001-07-14 Richard Henderson <rth@redhat.com>
3637 * config/alpha/alpha.md: Use define_constants for unspec values.
3638 Substitute throughout.
3640 2001-07-14 Tim Josling <tej@melbpc.org.au>
3642 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3644 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3646 * pa.md: Remove unused constraints from define_split's.
3648 2001-04-14 Richard Henderson <rth@redhat.com>
3650 * ifcvt.c (find_cond_trap): Test for exit block.
3652 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3654 Re-install recently reverted patch.
3655 * emit-rtl.c (try_split): Update mark_jump_label call.
3656 * flow.c (find_sub_basic_blocks): Likewise.
3657 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3658 jump_back_p): Kill.
3659 (mark_all_labels): Kill second parameter.
3660 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3661 (rebuild_jump_labels, jump_optimize_minimal): Update call
3662 of jump_optimize_1.
3663 (jump_optimize_1): Kill crossjumping code.
3664 (mark_jump_label): Kill cross_jump parameter.
3665 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3666 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3667 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3668 splitting.
3669 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3670 DFI_bpro.
3671 (dump_file_info): Likewise.
3672 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3673 reorganize passes to do reg-stack first, bb-reorder second.
3674 * invoke.texi (-d letters doc): Remove the jump2 pass.
3676 2001-07-14 Richard Henderson <rth@redhat.com>
3678 * ifcvt.c (find_cond_trap): New.
3679 (find_if_header): Call it.
3680 (merge_if_block): Relax existing jump sanity check.
3681 * jump.c (jump_optimize_1): Remove conditional trap handling.
3683 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3685 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3686 millicode.
3687 (insn_refs_are_delayed): Correct comment.
3688 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3689 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3690 instead of r31. Make associated insn !TARGET_64BIT, and
3691 provide an additional 64-bit insn that clobbers r2.
3692 (divsi3): Likewise.
3693 (udivsi3): Likewise.
3694 (modsi3): Likewise.
3695 (umodsi3): Likewise.
3697 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3699 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3701 * flow.c (redirect_edge_and_branch_force, split_edge,
3702 try_crossjump_to_edge): Use set_block_for_new_insns.
3703 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3705 2001-07-13 H.J. Lu (hjl@gnu.org)
3707 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3708 the correct patch.
3710 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3712 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3714 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3716 * c-common.c (decl_attributes): Take a pointer to the node to
3717 which attributes are to be attached, and a flags argument.
3718 * c-common.h (enum attribute_flags): New.
3719 (decl_attributes): Update prototype.
3720 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3721 finish_enum, start_function): Update calls to decl_attributes.
3722 * c-parse.in (component_declarator, component_notype_declarator,
3723 label): Update calls to decl_attributes.
3725 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3727 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3728 * config/avr/avr.c (legitimate_address_p): Return value changed
3729 from letter to register classes. For better debugging.
3731 2001-07-13 Kazu Hirata <kazu@hxi.com>
3733 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3735 2001-07-13 H.J. Lu (hjl@gnu.org)
3737 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3739 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3741 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3742 correctly for shared configurations.
3743 * config/t-libgcc-pic: New.
3744 * config/{i386,m68k,sparc}/t-openbsd: New.
3745 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3746 Support -shared. Support debugging libraries with -g.
3747 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3748 frame information does not emit pointer diffs.
3749 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3750 emit pointer diffs.
3752 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3754 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3756 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3758 * combine.c (try_combine): Ensure const_int pow2 is positive.
3760 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3762 * config.gcc: Add configuration for s/390.
3763 * config/s390/s390.c: New. Subroutines for code generation.
3764 * config/s390/s390.h: New. Definitions for s/390.
3765 * config/s390/s390-protos.h: New. Prototypes.
3766 * config/s390/linux.h: New. Definitions for linux for s/390.
3767 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3768 * config/s390/t-linux: New. Makefile fragment.
3769 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3770 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3772 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3774 * emit-rtl.c (try_split): Update mark_jump_label call.
3775 * flow.c (find_sub_basic_blocks): Likewise.
3776 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3777 jump_back_p): Kill.
3778 (mark_all_labels): Kill second parameter.
3779 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3780 (rebuild_jump_labels, jump_optimize_minimal): Update call
3781 of jump_optimize_1.
3782 (jump_optimize_1): Kill crossjumping code.
3783 (mark_jump_label): Kill cross_jump parameter.
3784 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3785 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3786 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3787 splitting.
3788 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3789 DFI_bpro.
3790 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3791 reorganize passes to do reg-stack first, bb-reorder second.
3792 * invoke.texi (-d letters doc): Remove the jump2 pass.
3794 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3796 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3798 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3800 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3801 basic blocks.
3802 (verify_flow_info): Make diagnostics prettier.
3804 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3806 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3808 * flow.c (outgoing_edges_match): Return early if condition reversal
3809 failed.
3811 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3813 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3814 (mips_move_2words): When splitting a move into two instructions,
3815 prefix the second address operand with '%D'.
3817 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3819 * Makefile.in (final.o): Depend on debug.h.
3820 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3821 (dbx_debug_hooks): Add new hooks.
3822 (xcoff_debug_hooks): New.
3823 * debug.c (debug_nothing_file_int_int): New.
3824 (do_nothing_debug_hooks): Update.
3825 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3826 (debug_nothing_file_int_int): New.
3827 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3828 static, update prototype.
3829 (dwarf2_debug_hooks): Update.
3830 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3831 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3832 static, update prototype.
3833 (dwarf_debug_hooks): Update.
3834 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3835 * final.c: Include debug.h.
3836 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3837 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3838 static, update prototype.
3839 (sdb_debug_hooks): Update.
3840 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3841 * toplev.c: Distinguish between xcoff and dbx.
3843 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3844 Call all debug hooks, not just dwarf ones.
3846 2001-07-11 Timothy Wall <twall@redhat.com>
3848 * config.gcc: Add configuration for AIX5/IA64.
3849 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3850 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3851 support prefix/suffix code.
3852 * config/ia64/t-aix: New. Makefile fragment.
3853 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3855 2001-07-11 Kazu Hirata <kazu@hxi.com>
3857 * recog.c (validate_change): Fix a comment typo.
3859 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3861 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3862 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3863 hooks directly.
3864 * dbxout.c (dbx_debug_hooks): Add new hooks.
3865 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3866 make static.
3867 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3868 make static.
3869 * dbxout.h (dbxout_start_new_source_file,
3870 dbxout_resume_previous_source_file): Delete.
3871 * debug.c (do_nothing_debug_hooks): Add new hooks.
3872 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3873 (debug_nothing_int_charstar, debug_nothing_int): New.
3874 * debug.h (gcc_debug_hooks): New hooks define, undef,
3875 start_source_file and end_source_file.
3876 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3877 (debug_nothing_int_charstar, debug_nothing_int): New.
3878 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3879 the conditionally compiled section.
3880 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3881 dwarf2out_define, dwarf2out_undef): Make static.
3882 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3883 dwarf2out_define, dwarf2out_undef): Remove.
3884 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3885 (dwarfout_start_source_file, dwarfout_end_source_file,
3886 dwarfout_define, dwarfout_undef): Make static.
3887 (dwarfout_start_source_file_check,
3888 dwarfout_end_source_file_check): New.
3889 (dwarfout_define, dwarfout_finish): Update.
3890 * dwarfout.h (dwarfout_start_new_source_file,
3891 dwarfout_resume_previous_source_file, dwarfout_define,
3892 dwarfout_undef): Remove.
3893 * sdbout.c (sdb_debug_hooks): Add new hooks.
3894 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3895 make static.
3896 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3897 make static, take an arg.
3898 * sdbout.h (sdbout_start_new_source_file,
3899 sdbout_resume_previous_source_file): Delete.
3900 * toplev.c (debug_start_source_file, debug_end_source_file,
3901 debug_define, debug_undef): Delete.
3902 * toplev.h (debug_start_source_file, debug_end_source_file,
3903 debug_define, debug_undef): Delete.
3905 * java/jcf-parse.c: Include debug.h.
3906 (parse_class_file): Update to use debug hooks directly.
3907 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3909 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3911 * alias.c (set_mem_alias_set): New function.
3912 * rtl.h (set_mem_alias_set): Declare it.
3913 * builtins.c (expand_builtin_return_addr): Call it instead of
3914 using MEM_ALIAS_SET accessor.
3915 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3916 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3917 (expand_builtin_va_copy):Likewise.
3918 * caller-save.c (setup_save_areas): Likewise.
3919 * calls.c (compute_argument_addresses): Likewise.
3920 * explow.c (set_mem_attributes): Likewise.
3921 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3922 (expand_assignment, store_constructor_field, store_field): Likewise.
3923 (expand_expr_unaligned): Likewise.
3924 * function.c (assign_stack_temp_for_type): Likewise.
3925 (put_reg_into_stack, gen_mem_addressof): Likewise.
3926 * ifcvt.c (noce_try_cmove_arith): Likewise.
3927 * reload1.c (reload, alter_reg): Likewise.
3928 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3929 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3930 (alpha_expand_unaligned_store): Likewise
3931 (alpha_expand_unaligned_load_words): Likewise.
3932 (alpha_expand_unaligned_store_words): Likewise.
3933 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3934 (alpha_expand_epilogue): Likewise.
3935 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3936 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3937 * config/i386/i386.c (legitimize_pic_address): Likewise.
3938 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3939 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3940 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3941 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3942 * config/mips/mips.c (mips_va_arg): Likewise.
3943 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3944 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3945 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3946 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3947 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3948 (rs6000_emit_epilogue): Likewise.
3949 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3950 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3951 * config/v850/v850.c (v850_va_arg): Likewise.
3953 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3955 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3956 when fallthru edge is present.
3957 (mege_blocks): Handle case where creation of jump insn
3958 is required.
3960 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3961 CLEANUP_POST_REGSTACK): New constants.
3962 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3963 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3964 * output.h (cleanup_cfg): Update prototype.
3965 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3966 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3967 cleanup_cfg call; kill missleading comment.
3968 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3969 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3970 parameter; control optimizations performed using it.
3971 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3972 try_crossjump_bb): New functions.
3974 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3976 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3977 extern.
3978 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3979 pa_output_function_prologue.
3980 * pa-protos.h (pa_output_function_prologue): New prototype.
3982 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3984 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3985 and low to get correct sign extension in low+high test.
3987 2001-07-11 Janis Johnson <janis@us.ibm.com>
3989 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3990 for large hit count.
3992 * profile.c (branch_prob): Fix .bbg info for computed gotos
3993 and C++ EH code.
3995 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3997 * stmt.c (parse_output_constraint): New function, split out
3998 from ...
3999 (expand_asm_operands): ... here. Use parse_output_constraint.
4000 * tree.h (parse_output_constraint): Declare it.
4002 2001-07-11 Richard Henderson <rth@redhat.com>
4004 * bitmap.c: Comment some functions; fiddle whitespace.
4005 (bitmap_free): Don't export.
4006 (bitmap_element_allocate): Use memset.
4007 * bitmap.h (bitmap_free): Don't declare.
4009 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
4011 * gcse.c, lcm.c, sched-deps.c:
4012 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4014 * flow.c (flow_loops_find): Free dom if we found no loops, since
4015 we aren't going to save it.
4017 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4018 done.
4020 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
4022 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4024 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4026 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4027 #ifndef DWARF2_DEBUGGING_INFO.
4029 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4031 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4033 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4035 * config/mips/mips.c (gen_int_relational): Tell the caller not to
4036 reverse a branch if a NE comparison is implemented with GTU.
4038 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4039 H.J. Lu <hjl@gnu.org>
4041 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4042 constant addresses.
4043 (call_internal2): Likewise.
4044 (call_value_internal1): Likewise.
4045 (call_value_internal2): Likewise.
4046 (call_value_multiple_internal1): Likewise.
4047 (call_value_multiple_internal2): Likewise.
4049 2001-07-10 Kazu Hirata <kazu@hxi.com>
4051 * calls.c (emit_library_call_value_1): Fix a comment typo.
4052 * dwarf2out.c (mem_loc_descriptor): Likewise.
4053 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4055 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
4057 * simplify-rtx.c (simplify_subreg): Fix typo in comment
4059 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4061 * recog.c (offsettable_address_p): Handle LO_SUM case.
4062 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4063 instead of plus_constant.
4065 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4067 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4068 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4070 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4072 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4073 adjust_address_nv instead of plus_constant.
4075 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
4077 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4078 dwarf2out.o): Depend on debug.h, wrap long lines.
4079 * dbxout.c: Include debug.h.
4080 (dbx_debug_hooks): New.
4081 (dbxout_init): Make static, take just 2 args.
4082 (dbxout_finish): Make static.
4083 * dbxout.h (dbxout_init, dbxout_finish): Delete.
4084 * debug.c: New file.
4085 * debug.h: New file.
4086 * dwarf2out.c: Include debug.h.
4087 (dwarf2_debug_hooks): New.
4088 (dwarf2out_init): Make static.
4089 (dwarf2out_finish): Make static, take 2 args.
4090 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4091 * dwarfout.c: Include debug.h.
4092 (dwarf_debug_hooks): New.
4093 (dwarfout_init): Make static.
4094 (dwarfout_finish): Make static, take 2 args.
4095 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4096 * sdbout.c: Include debug.h.
4097 (sdb_debug_hooks): New.
4098 (sdbout_init): Make static, take 2 args.
4099 * sdbout.h (sdbout_init): Delete.
4100 * toplev.c: Include debug.h.
4101 (debug_hooks): New.
4102 (compile_file): Set deubg_hooks based on command line options.
4103 Use the hooks unconditionally rather than conditional compilation.
4105 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
4107 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
4108 first_insn_after_basic_block_note instead.
4110 * df.c (df_bb_refs_unlink): #if 0 out for now.
4112 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
4114 * ssa.h: Add prototype for ssa_const_prop
4115 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4116 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4117 (ssa_fast_dce): Remove unused variable
4119 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4121 * diagnostic.c (finish_diagnostic): Rename to
4122 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
4123 calls thourghout.
4125 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4127 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4128 .loc support.
4130 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4131 (dump_file): Only pad the demangled name with spaces if the
4132 mangled name was padded with spaces.
4134 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4136 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4137 edge detection.
4139 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4141 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4142 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4143 EXPAND_INITIALIZER.
4145 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4146 whether can put offset inside LO_SUM to check mode alignment, not size.
4148 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4150 * doc/tm.texi (Misc): Fix thinko.
4152 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4154 * regmove.c (replace_in_call_usage): Fix warnings.
4155 * sched-deps.c (add_dependence): Fix warnings.
4156 * simplify-rtx.c (simplify_subreg): Likewise.
4157 Return NULL_RTX instead of NULL.
4159 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4160 (subst_asm_stack_regs): Likewise.
4162 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4163 warnings.
4165 * dwarf2out.c (output_call_frame_info): Declare i as int.
4166 (build_abbrev_table): Declare n_alloc as int.
4167 (dwarf2out_finish): Initialize die.
4168 * except.c: Declare sjlj_funcdef_number as unsigned.
4169 (connect_post_landing_pads): Declare j as unsigned.
4170 (convert_to_eh_region_ranges): Initialize call_site.
4171 (output_function_exception_table): Initialize tt_format_size.
4172 * expr.c (move_by_pieces_1): Initialize to1.
4173 (store_constructor): Initialize minelt and maxelt.
4174 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4175 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4177 * c-decl.c (combine_parm_decls): Unused, remove.
4178 * c-tree.h: Remove prototype for combine_parm_decls.
4180 * reload.c (push_reload): Fix warning.
4181 (regno_clobbered_p): Likewise.
4182 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4183 (reload_combine): Likewise.
4185 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4186 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4187 warnings.
4188 * bitmap.c (bitmap_operation): Change user.
4189 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4191 2001-07-10 Eric Christopher <echristo@redhat.com>
4193 * config/mips/mips.c (override_options): Fix typo.
4195 2001-07-09 Stan Shebs <shebs@apple.com>
4197 * target.h (struct gcc_target): New fields init_builtins and
4198 expand_builtin.
4199 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4200 (TARGET_EXPAND_BUILTIN): New macro.
4201 (TARGET_INITIALIZER): Add them.
4202 * builtins.c: Include target.h.
4203 (expand_builtin): Use targetm.expand_builtin.
4204 (default_init_builtins): New function.
4205 (default_expand_builtin): New function.
4206 * expr.h (default_init_builtins): Declare.
4207 (default_expand_builtin): Declare.
4208 * c-common.c (c_common_nodes_and_builtins): Use
4209 targetm.init_builtins.
4210 * defaults.h (MD_INIT_BUILTINS): Remove.
4211 * Makefile.in (builtins.o): Depend on target.h.
4213 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4214 (TARGET_EXPAND_BUILTIN): Define.
4215 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4216 (MD_EXPAND_BUILTIN): Remove.
4218 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4219 (TARGET_EXPAND_BUILTIN): Define.
4220 (c4x_init_builtins): Make endlink arg a local.
4221 (c4x_print_operand): Fix typos in adjust_address usages.
4222 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4223 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4224 (MD_EXPAND_BUILTIN): Remove.
4226 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4227 (TARGET_EXPAND_BUILTIN): Define.
4228 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4229 (ix86_init_builtins): Call new function only if TARGET_MMX.
4230 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4231 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4232 (MD_EXPAND_BUILTIN): Remove.
4234 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4235 (TARGET_EXPAND_BUILTIN): Define.
4236 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4237 (MD_EXPAND_BUILTIN): Remove.
4239 * doc/tm.texi: Document these changes.
4241 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4243 * basic-block.h (tree_node): Forward declare if needed.
4244 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4245 (BLOCK_HEAD_TREE): Define.
4246 (BLOCK_END_TREE): Define.
4247 (struct loops): Rename field 'tree' to 'tree_root'.
4248 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4249 'end_tree'.
4250 (flow_loops_tree_build): Rename reference to field 'tree' to
4251 'tree_root'.
4252 (flow_loops_level_compute): Ditto.
4253 * predict.c (estimate_bb_frequencies): Ditto.
4254 * tree.h (struct tree_common): Add field 'aux'.
4256 2001-07-09 Stan Shebs <shebs@apple.com>
4258 * config/darwin.c (darwin_encode_section_info): Don't mark any
4259 DECL_EXTERNAL node as defined.
4261 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4263 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4264 pa_free_machine_status, hppa_init_pic_save): Delete.
4265 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4266 (hppa_profile_hook): Use hppa_pic_save_rtx.
4267 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4268 hppa_init_pic_save): Delete.
4269 (hppa_pic_save_rtx): Declare.
4270 * pa.md (call, call_value, sibcall, sibcall_value,
4271 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4273 2001-07-09 Kazu Hirata <kazu@hxi.com>
4275 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4276 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4278 2001-07-09 Andreas Jaeger <aj@suse.de>
4280 * output.h: Add declaration of final_forward_branch_p.
4282 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4284 * varray.c: Include errors.h for internal_error and trim_filename
4285 declarations.
4287 * Makefile.in (varray.o): Add errors.h.
4289 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4291 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4292 * optabs.c (have_add2_insn): Check whether the add insn chosen
4293 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4294 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4296 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4298 * Makefile.in (OBJS): Add ssa-ccp.o
4299 (ssa-ccp.o): Add dependencies.
4300 * toplev.c (DFI_ssa_ccp): New dump file enum.
4301 (dump_file): Add entry for dumping after SSA CCP.
4302 (flag_ssa_ccp): New flag variable.
4303 (f_options): Add -fssa-ccp.
4304 (rest_of_compilation): Run SSA CCP if requested.
4305 * timevar.def (TV_SSA_CCP): New timevar.
4306 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4307 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4308 Fix minor typo in SSA DCE documentation.
4309 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4310 Add documentation for new dump option. Renumber dump files
4311 appropriately.
4313 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4315 * emit-rtl.c (gen_highpart_mode): New.
4316 * rtl.h (gen_highpart_mode): Declare.
4317 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4318 operand can be VOIDmode constant.
4320 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4322 * flow.c (redirect_edge_and_branch_force): New.
4323 (can_fallthru): Ensure that basic blocks are succeeding.
4324 (try_optimize_cfg): Do not delete basic block if it is the last one.
4326 * flow.c (try_redirect_by_replacing_jump): Do not remove
4327 jumps with side effects, unlink chain on fallthru edge;
4328 set block for new jump instruction; avoid basic block to
4329 over by line number note.
4331 * flow.c (try_simplify_condjump): Verify that the condjump
4332 is not always falling trought.
4334 Re-install patch:
4335 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4337 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4338 (try_redirect_by_replacing_jump): Update properly the count
4339 and frequency information.
4341 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4343 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4344 address that is a LO_SUM specially.
4345 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4347 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4349 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4350 (operand_subword): Use them.
4351 (change_address_1): Renamed from change_address; new arg VALIDATE.
4352 * expr.h: Reflect above changes; change_address now macro.
4353 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4354 making MEM.
4355 * cselib.c (add_mem_for_addr): Likewise.
4356 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4357 * regmove.c (try_apply_stack_adjustment): Likewise.
4358 * reload.c (push_reload, make_memloc): Likewise.
4359 * reload1.c (eliminate_regs): Likewise.
4360 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4361 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4362 adjust_addess.
4363 * combine.c (make_extraction, simplify_shift_const): Likewise.
4364 (gen_lowpart_for_combine): Likewise.
4365 * cse.c (gen_lowpart_if_possible): Likewise.
4366 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4367 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4368 * optabs.c (gen_move_insn): Likewise.
4369 * reload1.c (alter_reg): Likewise.
4370 * simplify-rtx.c (simplify_subreg): Likewise.
4371 * stmt.c (expand_anon_union_decl): Likewise.
4372 * recog.c (validate_replace_rtx_1): Likewise.
4373 (expr.h): Include.
4374 * Makefile.in (recog.o): Add $(EXPR_H).
4375 * explow.c (stabilize): Call replace_equiv_address.
4376 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4377 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4379 2001-07-03 Andrew Haley <aph@redhat.com>
4381 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4382 the mode of the memory location.
4384 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4386 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4388 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4390 * final.c (output_addr_const): Use target opening and
4391 closing parentheses.
4392 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4393 defaults, add to TARGET_ASM_OUT.
4394 * target.h (struct gcc_target): Add open_paren and close_paren.
4395 * doc/md.texi: Update.
4396 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4397 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4398 TARGET_ASM_CLOSE_PAREN.
4399 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4400 Override.
4401 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4402 Override.
4403 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4404 * config/a29k/a29k.h: Similarly.
4405 * config/alpha/alpha.h: Similarly.
4406 * config/arc/arc.h: Similarly.
4407 * config/arm/aof.h: Similarly.
4408 * config/arm/aout.h: Similarly.
4409 * config/avr/avr.h: Similarly.
4410 * config/c4x/c4x.h: Similarly.
4411 * config/clipper/clipper.h: Similarly.
4412 * config/convex/convex.h: Similarly.
4413 * config/d30v/d30v.h: Similarly.
4414 * config/dsp16xx/dsp16xx.h: Similarly.
4415 * config/elxsi/elxsi.h: Similarly.
4416 * config/fr30/fr30.h: Similarly.
4417 * config/h8300/h8300.h: Similarly.
4418 * config/i370/i370.h: Similarly.
4419 * config/i386/i386.h: Similarly.
4420 * config/i860/i860.h: Similarly.
4421 * config/i960/i960.h: Similarly.
4422 * config/ia64/ia64.h: Similarly.
4423 * config/m32r/m32r.h: Similarly.
4424 * config/m68hc11/m68hc11.h: Similarly.
4425 * config/m68k/m68k.h: Similarly.
4426 * config/m88k/m88k.h: Similarly.
4427 * config/mcore/mcore.h: Similarly.
4428 * config/mips/mips.h: Similarly.
4429 * config/mn10200/mn10200.h: Similarly.
4430 * config/mn10300/mn10300.h: Similarly.
4431 * config/ns32k/ns32k.h: Similarly.
4432 * config/pa/pa.h: Similarly.
4433 * config/pdp11/pdp11.h: Similarly.
4434 * config/pj/pj.h: Similarly.
4435 * config/romp/romp.h: Similarly.
4436 * config/rs6000/rs6000.h: Similarly.
4437 * config/sh/sh.h: Similarly.
4438 * config/sparc/sparc.h: Similarly.
4439 * config/v850/v850.h: Similarly.
4440 * config/vax/vax.h: Similarly.
4441 * config/we32k/we32k.h: Similarly.
4443 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4445 * doc/c-tree.texi: Document representation of attributes.
4447 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4449 * doc/tm.texi: Update some places for the rename of target to
4450 targetm. Fix typo.
4452 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4454 * target.h (struct gcc_target): Add insert_attributes.
4455 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4456 (TARGET_INITIALIZER): Update.
4457 * tree.c, tree.h (default_insert_attributes): New function.
4458 Update comments on other default functions to refer to targetm,
4459 not target.
4460 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4461 TARGET_INSERT_ATTRIBUTES.
4462 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4463 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4464 Don't use PRAGMA_INSERT_ATTRIBUTES.
4465 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4466 * c-decl.c (start_decl, start_function): Don't call
4467 SET_DEFAULT_DECL_ATTRIBUTES.
4468 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4469 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4470 declare.
4471 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4472 (c4x_check_attribute): Avoid modifying attribute list itself.
4473 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4474 Make static.
4475 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4476 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4477 declare.
4478 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4479 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4480 Make static.
4481 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4482 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4483 declare.
4484 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4485 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4486 Adjust parameters. Make static.
4488 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4490 * c-common.c (decl_attributes): Only take a single attributes
4491 parameter.
4492 * c-common.h (decl_attributes): Update prototype.
4493 * c-decl.c (start_decl, start_function): Only take a single
4494 attributes parameter. Update calls to decl_attributes.
4495 (finish_struct, finish_enum): Update calls to decl_attributes.
4496 (push_parm_decl): Expect unified list of attributes. Update call
4497 to decl_attributes.
4498 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4499 notype_nested_function, component_declarator,
4500 component_notype_declarator, label): Update calls to
4501 decl_attributes.
4502 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4503 lists that are passed to push_parm_decl.
4504 * c-tree.h (start_function, start_decl): Update prototypes.
4505 * config/sh/sh-protos.h, config/sh/sh.c
4506 (sh_pragma_insert_attributes): Only take a single attributes
4507 parameter.
4508 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4509 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4510 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4511 build_module_descriptor, generate_static_references,
4512 generate_strings, build_selector_translation_table,
4513 generate_descriptor_table, generate_protocols,
4514 generate_ivars_list, generate_dispatch_table,
4515 generate_protocol_list, generate_category,
4516 generate_shared_structures, really_start_method, add_objc_decls,
4517 generate_classref_translation_entry): Update calls to start_decl
4518 and start_function.
4519 (build_tmp_function_decl, start_method_def): Unify attribute lists
4520 that are passed to push_parm_decl.
4522 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4524 * final.c (no_asm_to_stream): New.
4525 (final_scan_insn): Use target structures for prologue ends
4526 and epilogue starts.
4527 * output.h (no_asm_to_stream): New.
4528 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4529 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4530 (TARGET_ASM_OUT): Update.
4531 * target.h (struct gcc_target): New members function_end_prologue
4532 and function_begin_epilogue.
4533 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4534 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4535 * config/alpha/alpha.c (output_end_prologue): Rename to
4536 alpha_output_function_end_prologue. Use in target struct
4537 and make static.
4538 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4539 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4540 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4541 ia64_output_function_end_prologue. Use in target struct
4542 and make static.
4543 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4544 mistyped prototypes.
4545 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4546 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4547 Delete.
4548 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4549 an use in target struct, make static.
4550 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4551 Delete.
4553 2001-07-08 Richard Henderson <rth@redhat.com>
4555 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4557 2001-07-08 Richard Henderson <rth@redhat.com>
4559 * config/i386/i386.md: Remove constraints strings from define_split
4560 and define_peephole2 patterns.
4561 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4562 (eh_return): Use them.
4564 2001-07-08 Richard Henderson <rth@redhat.com>
4566 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4567 Document MD_FALLBACK_FRAME_STATE_FOR.
4569 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4571 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4572 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4573 elimination.
4574 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4576 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4578 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4579 of the label inside NAME as opposed to just the end of NAME.
4581 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4583 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4584 * config/alpha/alpha.c (alpha_init_machine_status,
4585 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4586 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4587 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4588 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4590 2001-07-06 Stan Shebs <shebs@apple.com>
4592 * target.h (targetm): Rename global from "target", so as not to
4593 conflict with local variables.
4594 * c-decl.c: Ditto.
4595 * c-typeck.c: Ditto.
4596 * final.c: Ditto.
4597 * tree.c: Ditto.
4598 * cp/decl.c: Ditto.
4599 * cp/decl2.c: Ditto.
4600 * cp/typeck.c: Ditto.
4601 * 1750a/1750a.c: Ditto.
4602 * a29k/a29k.c: Ditto.
4603 * arc/arc.c: Ditto.
4604 * arm/arm.c: Ditto.
4605 * avr/avr.c: Ditto.
4606 * clipper/clipper.c: Ditto.
4607 * convex/convex.c: Ditto.
4608 * d30v/d30v.c: Ditto.
4609 * dsp16xx/dsp16xx.c: Ditto.
4610 * elxsi/elxsi.c: Ditto.
4611 * fr30/fr30.c: Ditto.
4612 * h8300/h8300.c: Ditto.
4613 * i370/i370.c: Ditto.
4614 * i386/i386.c: Ditto.
4615 * i860/i860.c: Ditto.
4616 * i960/i960.c: Ditto.
4617 * ia64/ia64.c: Ditto.
4618 * m32r/m32r.c: Ditto.
4619 * m68hc11/m68hc11.c: Ditto.
4620 * m68k/m68k.c: Ditto.
4621 * m88k/m88k.c: Ditto.
4622 * mips/mips.c: Ditto.
4623 * ns32k/ns32k.c: Ditto.
4624 * pa/pa.c: Ditto.
4625 * pdp11/pdp11.c: Ditto.
4626 * romp/romp.c: Ditto.
4627 * rs6000/rs6000.c: Ditto.
4628 * sh/sh.c: Ditto.
4629 * sparc/sparc.c: Ditto.
4630 * vax/vax.c: Ditto.
4631 * we32k/we32k.c: Ditto.
4632 * doc/tm.texi: Update the manual to match.
4634 2001-07-06 Richard Henderson <rth@redhat.com>
4636 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4637 DWARF2_UNWIND_INFO not just whether it is defined.
4639 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4641 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4642 call to simplify_binary_operation returns a new pattern.
4644 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4646 * glimits.h (__SHRT_MAX__): New.
4647 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4648 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4650 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4652 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4653 avoid warnings.
4655 2001-07-06 Richard Henderson <rth@redhat.com>
4657 * bitmap.c (bitmap_release_memory): Move adjacent to the
4658 allocation functions.
4659 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4660 the implementation. Binary search for the set bit.
4661 (bitmap_union_of_diff): Allocate the temporary on the stack
4662 instead of using xmalloc.
4664 2001-07-06 Richard Henderson <rth@redhat.com>
4666 * genrecog.c (validate_pattern): Warn for constraints in
4667 define_{expand,split,peephole2}. Remove strict_low_part
4668 before looking up match_dup.
4670 2001-07-06 DJ Delorie <dj@redhat.com>
4672 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4673 chapter about various build hints and history. Add section
4674 talking about the various types of native and cross builds.
4676 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4678 * Makefile.in (final.o): Depend on target.h.
4679 * final.c: Include target.h.
4680 (default_function_pro_epilogue): New.
4681 (final_start_function): Use target structure for function prologues.
4682 (final_end_function): Use target structure for function epilogues.
4683 * fold-const.c (real_hex_to_f): Constify s and p.
4684 * output.h (default_function_pro_epilogue): New.
4685 * real.h (real_hex_to_f): Update prototype.
4686 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4687 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4688 (TARGET_INITIALIZER): Update.
4689 * target.h (gcc_target): Add struct asm_out.
4690 * doc/tm.texi: Update.
4692 config:
4693 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4694 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4695 in cpu/cpu.c, or rename old functions consistently. Take
4696 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4697 redundant macros and prototypes. Make new functions static.
4699 * 1750a/1750a.c: Similarly.
4700 * 1750a/1750a.h: Similarly.
4701 * a29k/a29k-protos.h: Similarly.
4702 * a29k/a29k.c: Similarly.
4703 * a29k/a29k.h: Similarly.
4704 * arc/arc-protos.h: Similarly.
4705 * arc/arc.c: Similarly.
4706 * arc/arc.h: Similarly.
4707 * arm/arm-protos.h: Similarly.
4708 * arm/arm.c: Similarly.
4709 * arm/arm.h: Similarly.
4710 * avr/avr-protos.h: Similarly.
4711 * avr/avr.c: Similarly.
4712 * avr/avr.h: Similarly.
4713 * clipper/clipper-protos.h: Similarly.
4714 * clipper/clipper.c: Similarly.
4715 * clipper/clipper.h: Similarly.
4716 * convex/convex.c: Similarly.
4717 * convex/convex.h: Similarly.
4718 * d30v/d30v-protos.h: Similarly.
4719 * d30v/d30v.c: Similarly.
4720 * d30v/d30v.h: Similarly.
4721 * d30v/d30v.md: Similarly.
4722 * dsp16xx/dsp16xx-protos.h: Similarly.
4723 * dsp16xx/dsp16xx.c: Similarly.
4724 * dsp16xx/dsp16xx.h: Similarly.
4725 * elxsi/elxsi.c: Similarly.
4726 * elxsi/elxsi.h: Similarly.
4727 * fr30/fr30.c: Similarly.
4728 * fr30/fr30.md: Similarly.
4729 * h8300/h8300-protos.h: Similarly.
4730 * h8300/h8300.c: Similarly.
4731 * h8300/h8300.h: Similarly.
4732 * i370/i370-protos.h: Similarly.
4733 * i370/i370.c: Similarly.
4734 * i370/i370.h: Similarly.
4735 * i386/i386.c: Similarly.
4736 * i386/osf1elf.h: Similarly.
4737 * i386/osfrose.h: Similarly.
4738 * i860/i860-protos.h: Similarly.
4739 * i860/i860.c: Similarly.
4740 * i860/i860.h: Similarly.
4741 * i960/i960-protos.h: Similarly.
4742 * i960/i960.c: Similarly.
4743 * i960/i960.h: Similarly.
4744 * ia64/ia64-protos.h: Similarly.
4745 * ia64/ia64.c: Similarly.
4746 * ia64/ia64.h: Similarly.
4747 * m32r/m32r-protos.h: Similarly.
4748 * m32r/m32r.c: Similarly.
4749 * m32r/m32r.h: Similarly.
4750 * m68hc11/m68hc11-protos.h: Similarly.
4751 * m68hc11/m68hc11.c: Similarly.
4752 * m68hc11/m68hc11.h: Similarly.
4753 * m68k/crds.h: Similarly.
4754 * m68k/dpx2.h: Similarly.
4755 * m68k/m68k-protos.h: Similarly.
4756 * m68k/m68k.c: Similarly.
4757 * m68k/m68k.h: Similarly.
4758 * m68k/news.h: Similarly.
4759 * m88k/m88k-protos.h: Similarly.
4760 * m88k/m88k.c: Similarly.
4761 * m88k/m88k.h: Similarly.
4762 * mips/mips-protos.h: Similarly.
4763 * mips/mips.c: Similarly.
4764 * mips/mips.h: Similarly.
4765 * ns32k/merlin.h: Similarly.
4766 * ns32k/ns32k.c: Similarly.
4767 * ns32k/ns32k.h: Similarly.
4768 * ns32k/tek6000.h: Similarly.
4769 * pa/pa-protos.h: Similarly.
4770 * pa/pa.c: Similarly.
4771 * pa/pa.h: Similarly.
4772 * pdp11/2bsd.h: Similarly.
4773 * pdp11/pdp11-protos.h: Similarly.
4774 * pdp11/pdp11.c: Similarly.
4775 * pdp11/pdp11.h: Similarly.
4776 * romp/romp-protos.h: Similarly.
4777 * romp/romp.c: Similarly.
4778 * romp/romp.h: Similarly.
4779 * rs6000/rs6000-protos.h: Similarly.
4780 * rs6000/rs6000.c: Similarly.
4781 * rs6000/rs6000.h: Similarly.
4782 * rs6000/sysv4.h: Similarly.
4783 * sh/sh-protos.h: Similarly.
4784 * sh/sh.c: Similarly.
4785 * sh/sh.h: Similarly.
4786 * sparc/sparc-protos.h: Similarly.
4787 * sparc/sparc.c: Similarly.
4788 * sparc/sparc.h: Similarly.
4789 * vax/vax.c: Similarly.
4790 * vax/vax.h: Similarly.
4791 * vax/vms.h: Similarly.
4792 * we32k/we32k.c: Similarly.
4793 * we32k/we32k.h: Similarly.
4795 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4797 * basic-block.h (first_insn_after_basic_block_note): Declare.
4798 * flow.c (first_insn_after_basic_block_note): Define. Moved
4799 from...
4800 * ssa.c (first_insn_after_basic_block_note): Remove.
4801 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4802 necessary.
4803 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4804 nodes when we find a dead conditional branch. Insert BARRIERs
4805 after any blocks with no successors, but which do not have
4806 any BARRIERs.
4808 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4810 * varray.c (varray_check_failed): Use internal_error.
4812 2001-07-05 Andrew Haley <aph@redhat.com>
4814 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4815 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4816 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4818 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4820 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4821 reference if the target constant is also a SYMBOL_REF.
4823 2001-07-05 Eric Christopher <echristo@redhat.com>
4825 * config/mips/mips.h (MASK_MIPS3900): Remove.
4826 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4827 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4828 (TARGET_MIPS3900): Change to use mips_arch.
4829 (TARGET_MIPS4000): New.
4830 (TARGET_MIPS4100): New.
4831 (TARGET_MIPS4300): New.
4832 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4833 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4834 for -mipsX.
4835 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4836 (ISA_HAS_BRANCHLIKELY): To here.
4837 (CC1_CPU_SPEC): New.
4838 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4839 (mips_arch_string): Declare.
4840 (mips_arch): Declare.
4841 (TARGET_OPTIONS): Add -march and -mtune.
4843 * config/mips/mips.c (mips_arch_string): New.
4844 (mips_arch): New.
4845 (override_options): Handle -march for codegen and -mtune
4846 for scheduling. Use mips_arch. Move tx39 target default here.
4847 (mips_parse_cpu): Move error message to override_options.
4849 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4851 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4853 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4854 (MIPS Options): Ditto. Change mcpu entry to historical text.
4856 2001-07-05 H.J. Lu (hjl@gnu.org)
4858 * config/mips/mips.c (mips_parse_cpu): New function to parse
4859 -march=*/-mcpu=*.
4861 2001-07-05 Jim Wilson <wilson@redhat.com>
4863 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4864 * config/ia64/t-ia64: Likewise.
4865 (LIB1ASMFUNCS): Update comment.
4867 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4869 * doc/install.texi (Install GCC: Binaries): Fix typo.
4871 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4873 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4874 reference using the stack pointer, adjust it since we push Y
4875 temporarily.
4876 ("*ashrsi3"): Likewise.
4877 ("*lshrsi3"): Likewise.
4879 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4881 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4882 when -fomit-frame-pointer is used.
4884 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4886 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4887 (try_redirect_by_replacing_jump): Reverse updating properly the
4888 count and frequency information. Reverse removing cc0 setter.
4889 (forwarder_block_p): Reverse fixing for fallthru blocks.
4891 2001-07-05 DJ Delorie <dj@redhat.com>
4893 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4894 (translate_options): If the above is defined, use it to map
4895 given options to new options.
4896 * doc/tm.texi: Document it.
4898 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4899 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4901 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4902 cause programs using computed gotos to run more slowly.
4904 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4906 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4907 Fixed sorting.
4908 Consistently require binutils 2.11.2, not prereleases.
4909 (Specific, decstation-*): Canonicalize as mips-dec-*.
4910 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4911 always necessary.
4912 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4913 (Specific, mips-*): Reword MIPS C compiler requirements.
4914 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4915 (Specific, sunv5): Removed, obsolete.
4917 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4919 * dwarf2out.c (output_loc_list): Use an all ones mask for
4920 .text asm output and don't rely on long long
4921 literals. Reformat some long lines.
4923 2001-07-05 Andreas Jaeger <aj@suse.de>
4925 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4926 section.
4928 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4930 * dwarf2out.c (dwarf2out_define): Update comment.
4931 (dwarf2out_undef): Ditto.
4932 (dwarf2out_start_source_file): Ditto.
4933 (dwarf2out_end_source_file): Ditto.
4934 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4935 since we never call the start/end debug hook for the primary file.
4937 2001-07-04 Kazu Hirata <kazu@hxi.com>
4939 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4940 from shll.
4942 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4944 * cppinit.c (remove_dup_dirs): Inform if a system include
4945 directory is being reordered.
4946 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4947 system include.
4948 * doc/cpp.texi (Search Paths): Likewise.
4949 * doc/gcc.texi (Interoperation): Remove information about
4950 -I/usr/include.
4952 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4954 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4955 (VARRAY_TOP_CHAR_PTR): Likewise.
4957 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4959 * gcc.c (process_command): Don't assign elements of a const char*.
4961 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4963 * emit-rtl.c (change_address): Don't abort if invalid address while
4964 reload is in progress.
4966 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4968 * c-lex.c (cb_file_change): Pass line number to
4969 debug_start_source_file.
4970 (cb_undefine): Pass correct line number to debug_undef.
4972 * toplev.c (debug_start_source_file): Add line number to
4973 parameters. Pass it along to dwarf2out_start_source_file.
4974 (decode_g_option): Stop resetting debug level back to normal when
4975 we change debug formats, unless the current level is
4976 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4977 3).
4979 * toplev.h (debug_start_source_file): Add line number to
4980 parameters.
4982 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4983 parameters.
4985 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4986 parameters.
4987 Output debug_macinfo data for starting file if requested.
4988 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4989 file if requested.
4990 (dwarf2out_define): Output debug_macinfo data for defining a macro
4991 if requested.
4992 (dwarf2out_undef): Output debug_macinfo data for undefining a
4993 macro if requested.
4994 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4995 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4996 (macinfo_section_label): New. DWARF2 macro info section label.
4997 (dwarf2out_init): If we want macro info, output the start label
4998 for the section.
4999 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5000 attribute to the compilation unit die pointing to the macro info.
5002 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5004 * dwarf2out.c (new_loc_list): Move to inside #ifdef
5005 DWARF2_DEBUGGING_INFO.
5006 (add_loc_descr_to_loc_list): Ditto.
5007 (output_loc_list): Ditto.
5008 Also, fix thinko in curr not being initialized.
5009 (gen_internal_sym): Ditto.
5011 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5013 * emit-rtl.c (replace_equiv_address): New function.
5014 * expr.h (replace_equiv_address): New declaration.
5015 * explow.c (validize_mem): Call it instead of change_address and
5016 also call if -fforce-addr and address is constant.
5017 * expr.c: Replace more calls to change_address with adjust_address
5018 and/or replace_equiv_address or to validize_mem.
5019 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5020 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5021 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5022 * config/i370/i370.md, config/i860/i860.md: Likewise.
5023 * config/i960/i960.md, config/mips/mips.c: Likewise.
5024 * config/mips/mips.md, config/pa/pa.md: Likewise.
5025 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5026 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5028 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5030 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5032 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5033 function.
5035 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
5037 * doc/include: New directory.
5038 * doc/fdl.texi: Move to doc/include/fdl.texi.
5039 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5040 * doc/include/funding.texi, doc/include/gpl.texi: New files.
5041 * doc/gcc.texi: Use funding.texi and gpl.texi.
5042 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5043 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5044 Update dependencies and use -I $(docdir)/include.
5046 2001-07-04 Anthony Green <green@redhat.com>
5048 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5050 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5052 * doc/install.texi (sparc64-*-*): Remove garbage.
5054 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
5056 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5057 Fix typo in last change to use adjust_address.
5059 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5061 * doc/install.texi (Specific): Update information for *-*-solaris*.
5063 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5065 * explow.c (plus_constant_wide): Reinitialize Y for restart.
5067 2001-07-03 Stan Shebs <shebs@apple.com>
5069 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5070 case for flag_no_mach_text_sections.
5071 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5072 * config/darwin.c (flag_no_mach_text_sections): Remove.
5073 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5075 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5077 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5078 and avoid checking for constant as first operand.
5079 * recog.c (find_constant_term_loc): No longer static.
5080 (adj_offettable_operand): Delete.
5081 * rtl.h (adj_offsettable_operand): Delete declaration.
5082 (find_constant_term): Add declaration.
5083 * caller-save.c: Replace calls to adj_offsettable_operand with calls
5084 to adjust_address.
5085 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5086 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5087 * config/i386/i386.c, config/i386/i386.md: Likewise.
5088 * config/i860/i860.c, config/i960/i960.c: Likewise.
5089 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5090 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5091 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5092 * config/mips/mips.c, config/mips/mips.md: Likewise.
5093 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5094 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5095 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5096 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5097 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5098 * config/ns32k/ns32k.md: Likewise.
5100 2001-07-03 Zack Weinberg <zackw@stanford.edu>
5102 * rtl.c (copy_rtx): Handle 'T' format letter.
5103 * gensupport.c (collect_insn_data): Likewise.
5104 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5106 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
5108 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5109 -B option. Use 'dir' not 'foo' as example directory name.
5111 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5113 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5114 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5116 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5118 * doc/cppinternals.texi: Improve formatting and logical markup.
5120 2001-07-03 Andreas Jaeger <aj@suse.de>
5122 * Makefile.in (insn-recog.o): Add dependency on reload.h.
5124 * genrecog.c (write_header): Include reload.h for prototypes in
5125 insn-recog.c.
5127 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5129 config:
5130 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5131 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5132 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5133 i386_pe_valid_type_attribute_p): Add.
5134 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5135 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5137 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5139 * explow.c (plus_constant_wide, case LO_SUM): New case.
5140 (plus_constant_for_output_wide): Delete.
5141 * rtl.h (plus_constant_for_output): Delete.
5142 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5143 instead of plus_constant_for_output.
5144 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5145 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5146 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5147 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5148 * config/sparc/sparc.md: Likewise.
5149 Convert some change_address calls to adjust_address.
5151 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5153 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5154 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5155 documentation of -std and -Wwrite-strings.
5157 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5159 * cse.c (canon_hash): Don't register registers in very small
5160 register classes, as extending their lifetime might cause
5161 reload to fail.
5163 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5165 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5167 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5168 (try_redirect_by_replacing_jump): Update properly the count
5169 and frequency information.
5171 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5173 * toplev.c (dump_file_index): Move SSA dumps just after first
5174 jump dump.
5175 (dump_file): Corresponding changes.
5176 (rest_of_compilation): Move SSA path to just after the first
5177 jump pass.
5178 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5179 * doc/invoke.texi: Update dump file #s as they were completely
5180 out of date with reality.
5182 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5184 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5186 * expr.c (emit_move_insn_1): Deal with non-default
5187 STACK_PUSH_CODE.
5189 * expr.c (emit_single_push_insn): Fix warning.
5191 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5193 * expr.c (emit_move_insn_1): Avoid modifying
5194 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5196 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5198 * emit-rtl.c (adjust_address): New function.
5199 * expr.h (adjust_address): Add declaration.
5200 * builtins.c: Replace some calls to change_address with calls to it
5201 or to validize_mem.
5202 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5203 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5204 * config/arm/arm.c, config/convex/convex.c: Likewise.
5205 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5206 * config/i386/i386.c, config/i386/i386.md: Likewise.
5207 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5208 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5209 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5210 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5211 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5213 2001-07-02 Jim Wilson <wilson@redhat.com>
5215 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5217 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5219 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5220 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5222 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5224 * cppinit.c (lang_defaults): New table.
5225 (set_lang): Just read from lang_defaults into the live options
5226 structure.
5228 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5230 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5231 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5232 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5234 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5236 * doc/install.texi: Various spelling and markup fixes.
5237 (Installing GCC): Component specific installation instructions are
5238 gone.
5239 Fix reference.
5240 Warn about removing old install dir in the presence of shared libs.
5241 (Configuration): Invoke with options target to match configure
5242 --help.
5243 Consistently refer to gas, gld pathnames.
5244 Invert --enable-multilib documentation.
5245 Remove references to old compiler versions.
5247 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5249 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5251 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5253 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5254 section.
5255 (Specific, mips*-sgi-irix5): Note IDO download.
5256 Reworded MIPS C hints.
5257 Use GNU as instead of GAS.
5258 Markup fixes.
5259 Removed SGI Freeware reference, IRIX 6 only.
5260 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5261 Note N64 library requirement/workaround.
5262 Update O32 hints.
5263 Complete list of structure passing bug victims.
5265 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5267 * doc/install.texi: Remove CVS Id.
5269 2001-07-02 Andreas Jaeger <aj@suse.de>
5271 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5272 (find_inherently_necessary): Remove unused variable.
5274 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5276 * c-common.h (TDI_inlined): New ast dump phase.
5277 (dump_flag_name): New function.
5278 * c-dump.c (dump_files): Add inlined phase.
5279 (dump_flag_name): Define.
5280 * doc/invoke.texi (-fdump-ast-inlined): Document.
5282 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5284 * stor-layout.c (layout_decl): Revert change to handling of alignment
5285 in packed types.
5287 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5289 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5290 for FIELD_DECL.
5292 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5294 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5295 is special.
5297 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5299 * tlink.c (recompile_files): Remove COMPILER_PATH and
5300 LIBRARY_PATH from the environment.
5302 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5304 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5305 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5306 enumerators.
5307 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5309 * c-parse.in (OBJC_STRING): Kill.
5310 (objc_string): Decompose to [objc_string] '@' STRING.
5311 (reswords): Take the leading '@' off all the Objective C keywords.
5312 (objc_rid_sans_at): Kill.
5313 (init_reswords): Don't initialize it.
5314 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5315 (_yylex): Kill reconsider label. Look ahead one token after
5316 an '@'; if we get an identifier, check whether it's an
5317 Objective C @-keyword. If so, return the keyword. Otherwise,
5318 put back the token and return the '@' as a terminal.
5320 * cpplib.c (lex_macro_node): Remove unnecessary check for
5321 leading '@' on identifier. Clarify control flow and commentary.
5323 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5325 * cse.c (new_label_ref): Variable deleted.
5326 (insert): Remove set of new_label_ref.
5327 (check_for_label_ref): New function.
5328 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5330 See ChangeLog.5 for earlier changes.