1 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5 (cb_file_change): Update map and use it.
6 (cb_def_pragma, cb_define, cb_undef): Use map and line.
7 (c_lex): Update to use map.
8 * cpperror.c (print_location): Move to using logical line numbers.
9 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
10 (cpp_make_system_header): Similarly.
11 (_cpp_execute_include): Stop line numbering hacks. Store the
12 line we will return to.
13 * cpphash.h (CPP_BUF_LINE): Remove.
14 (struct cpp_buffer): Remove lineno and pseudo_newlines.
15 Add map and return_to_line.
16 (_cpp_do_file_change): Update.
17 * cppinit.c (cpp_start_read): Update line kludge.
18 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
19 (trigraph_ok): Use logical line numbers for diagnostics.
20 (skip_block_comment): Likewise.
21 (skip_whitespace): Likewise.
22 (skip_line_comment): Use pfile->line instead.
23 (_cpp_lex_token): Update to use logical line numbering exclusively.
24 Handle BOL locally. Accept new lines in directives, but keep
25 pfile->line decremented. Diagnostics use logical lines. Update
27 * cpplib.c (SEEN_EOL): New.
28 (skip_rest_of_line, check_eol): Use it.
29 (end_directive): Increase line number when accepting the newline
30 at the end of a directive.
31 (run_directive): Simplify.
32 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
33 (_cpp_do_file_change): Update to take buffer line number as an
34 argument, and store the current map in the cpp_reader. Remove
36 (_cpp_do__Pragma): Restore output position after a _Pragma.
37 (cpp_push_buffer): Don't set output line or lineno.
38 (_cpp_pop_buffer): Transfer more info from a faked buffer.
39 Remove line kludge. Set output_line.
40 * cppmacro.c (builtin_macro): Update handling of __LINE__.
41 (parse_arg): Use logical lines.
42 (save_lookahead_token): Save EOFs too now.
43 * cppmain.c (struct printer): Fix comments.
44 (printer_init): Simplify, let caller do errors.
45 (scan_translation_unit, check_multiline_token, dump_macro): Update.
46 (maybe_print_line): Simplify.
47 (print_line): Don't print a linemarker if -P.
48 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
49 (cb_file_change): Simplify.
50 * line-map.h (LAST_SOURCE_LINE): Fix.
51 (CURRENT_LINE_MAP): New.
53 2001-08-05 Bernd Schmidt <bernds@redhat.com>
55 * doloop.c (doloop_modify_runtime): Properly compute number of
56 iterations if loop was unrolled.
58 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
59 if their CSELIB_VAL_PTRs are.
61 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
62 (setup_spill_pointers): Initialize it.
63 (spill_restore_mem): Set it.
64 (do_spill, do_restore): Use it to add REG_INC note.
65 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
67 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
68 asms if other insns are available.
70 * config/ia64/ia64.c (condop_operator): New predicate.
71 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
72 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
75 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
76 temporary register than directly using a MEM.
78 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
80 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
81 parameter in last change.
83 2001-08-04 Zack Weinberg <zackw@panix.com>
85 * sparc.md: Don't use #if inside C test expression.
87 2001-08-04 Richard Henderson <rth@redhat.com>
89 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
91 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
93 * cpphash.h (struct cpp_reader): New member directive_line.
94 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
95 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
96 do_pragma): Pass line to callbacks.
97 (start_directive): Record line of directive.
98 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
99 cb_include): Similarly.
100 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
103 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
105 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
108 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
110 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
112 * reload1.c (fixup_abnormal_edges): New static function.
115 * flow.c (need_fake_edge_p): New function.
116 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
117 avoid call insn to be very last insn in the insn stream.
119 * profile.c (branch_prob): Call flow_call_edges_add instead of
120 doing that by hand; cleanup cfg to re-merge basic blocks once
123 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
125 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
126 are also on line-map.h.
127 * cppfiles.c (stack_include_file): Update.
128 * cpphash.h (struct cpp_buffer): New member return_at_eof.
129 (_cpp_pop_buffer): New.
130 * cppinit.c (cpp_destroy, cpp_finish): Update.
131 (do_includes): Mark each buffer to return at EOF.
132 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
134 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
135 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
136 * cpplib.h (cpp_pop_buffer): Remove.
137 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
138 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
140 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
142 (do_preprocessing): Update.
143 * fix-header.c (read_scan_file): Update. No need to pop buffers.
144 * c-parse.in (_yylex): Similarly.
145 * scan-decls.c (scan_decls): Similarly.
146 * line-map.h: Update comments.
148 * objc/Make-lang.in (objc-act.o): Update dependencies.
150 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
152 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
153 and soft register for operand 0.
154 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
156 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
158 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
159 register for operand 0.
160 ("bitcmpqi_z_used"): Allow memory for operand 0.
161 (split "bitcmpqi"): New split to handle address reg as operand 1.
163 2001-08-04 Andreas Jaeger <aj@suse.de>
165 * gcse.c: Revert Daniel's last patch.
167 2001-08-03 Zack Weinberg <zackw@stanford.edu>
169 * sparc-protos.h: Add prototypes for fp_zero_operand and
171 * sh-protos.h: Add prototype for fpul_operand.
173 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
175 * doc/extend.texi (Other Builtins): Fix typo in last change.
177 2001-08-03 Richard Henderson <rth@redhat.com>
179 * target.h (gcc_target): Add asm_out.named_section,
180 section_type_flags, have_named_sections.
181 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
182 (TARGET_HAVE_NAMED_SECTIONS): New.
183 (TARGET_SECTION_TYPE_FLAGS): New.
185 * Makefile.in (toplev.o): Depend on TARGET_H.
186 (varasm.o, dbxout.o): Likewise.
187 * c-common.c (decl_attributes): Check targetm.have_named_sections
188 instead of ifdef ASM_OUTPUT_SECTION_NAME.
189 * dbxout.c (dbxout_function_decl): Likewise.
190 (dbxout_function_end): Likewise.
191 * toplev.c (compile_file): Likewise.
192 * varasm.c (exception_section): Likewise.
193 * cp/decl2.c (finish_objects): Likewise.
195 * defaults.h (EH_FRAME_SECTION): Remove.
196 (EH_FRAME_SECTION_ASM_OP): Remove.
197 (EH_FRAME_SECTION_NAME): New.
198 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
199 (UNIQUE_SECTION_P): Remove.
200 * dwarf2out.c (SECTION_FORMAT): Remove.
201 (ASM_OUTPUT_SECTION): Remove.
202 (output_call_frame_info): Use named_section_flags.
203 (output_comp_unit, dwarf2out_start_source_file): Likewise.
204 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
205 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
206 * varasm.c (in_eh_frame, eh_frame_section): Remove.
207 (named_section_flags): New.
208 (named_section): Use it and targetm.section_type_flags.
209 (resolve_unique_section): New.
210 (assemble_start_function): Use it.
211 (asm_emit_uninitialised, assemble_variable): Likewise.
212 (default_section_type_flags): New.
213 (default_no_named_section, default_elf_asm_named_section): New.
214 (default_coff_asm_named_section, default_pe_asm_named_section): New.
215 * output.h: Update varasm.c decls.
216 (SECTION_*): New flags.
218 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
219 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
221 * config/elfos.h (UNIQUE_SECTION_P): Remove.
222 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
223 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
224 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
225 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
226 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
227 * config/mips/elf.h, config/mips/elf64.h: Likewise.
228 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
229 * config/pa/pa64-hpux.h,
231 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
232 (TARGET_ASM_NAMED_SECTION): New.
233 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
234 * config/alpha/vms.h, config/arm/coff.h: Likewise.
235 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
236 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
237 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
238 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
239 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
240 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
241 * config/i386/sco5.h, config/i386/win32.h: Likewise.
242 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
243 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
244 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
245 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
246 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
247 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
248 * config/sparc/sysv4.h: Likewise.
250 * config/nextstep.h: Error until named sections implemented.
252 * config/a29k/a29k.c (a29k_asm_named_section): New.
253 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
254 (vms_section_type_flags, vms_asm_named_section): New.
255 * config/arm/arm.c (arm_elf_asm_named_section): New.
256 * config/avr/avr.c (asm_output_section_name): Remove.
257 * config/avr/avr-protos.h: Update.
258 * config/c4x/c4x.c (c4x_asm_named_section): New.
259 * config/h8300/h8300.c (h8300_asm_named_section): New.
260 * config/i386/i386.c (sco_asm_named_section): New.
261 * config/i386/winnt.c (SECTION_PE_SHARED): New.
262 (i386_pe_section_type_flags): New.
263 (i386_pe_asm_named_section): New.
264 * config/i386/i386-protos.h: Update.
265 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
266 * config/mcore/mcore.c (mcore_asm_named_section): New.
267 * config/mips/mips.c (iris6_asm_named_section): New.
268 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
269 instead of UNIQUE_SECTION_P.
270 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
271 (xcoff_asm_named_section): New.
272 * config/sh/sh.c (sh_asm_named_section): New.
273 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
275 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
276 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
277 (EH_FRAME_SECTION_NAME): New.
278 (EXCEPTION_SECTION): New.
279 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
280 (DEBUG_*_SECTION): Remove.
281 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
282 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
283 (EH_FRAME_SECTION_ASM_OP): Remove.
285 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
286 (ASM_OUTPUT_SECTION_NAME): Remove.
287 (TARGET_ASM_NAMED_SECTION): New.
288 (TARGET_HAVE_NAMED_SECTIONS): New.
289 (TARGET_SECTION_TYPE_FLAGS): New.
290 (EH_FRAME_SECTION_ASM_OP): Remove.
291 (EH_FRAME_SECTION_NAME): New.
293 2001-08-03 Zack Weinberg <zackw@stanford.edu>
295 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
296 for complex expressions when cfun == 0.
297 * doc/extend.texi: Document that __builtin_constant_p can be
298 used in data initializers as well as functions.
300 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
302 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
303 variable I locally, instead of expecting a declaration in the
306 2001-08-03 Richard Henderson <rth@redhat.com>
308 * except.c (collect_one_action_chain): Add an explicit cleanup
309 action if regions surrounding a catch were encoded entirely
310 within the call-site entry.
312 2001-08-03 Richard Henderson <rth@redhat.com>
314 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
315 don't take REGNO of a non-register.
317 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
319 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
320 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
321 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
322 (__gthread_mutex_init_function): New function for mutex initialization.
324 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
326 * Makefile.in: Revert screwed up commit.
328 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
330 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
331 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
332 merged by linker script to get a final _exit().
333 (__do_global_dtors): New for destructor handling in specific exit
335 (__do_global_ctors): New for constructors in specific install section.
336 (__map_data_section): Map data sections before running constructors.
337 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
338 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
339 (DTORS_SECTION_ASM_OP): Likewise.
340 (CTORS_SECTION_FUNCTION): Define to force a reference to
342 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
344 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
346 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
348 * Makefile.in: Add df.h to gcse.c dependencies.
350 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
352 * varasm.c (output_constant_def_contents): Use for the length of a
353 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
354 depending on which is larger.
356 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
358 * gcse.c: Include df.h for use as a dataflow analyzer.
360 Declaration of reg_set_info: gone.
361 New df_analyzer variable used by store motion.
362 (reg_set_info): Deleted.
363 (mark_mem_regs): New function, analyze regs used by a mem.
364 (store_ops_ok): Use dataflow analyzer results to determine if
365 necessary regs are changed in the block.
366 (find_moveable_store): Remove check for symbol ref, we can handle
367 much more complex expressions now.
368 (compute_store_table): Remove most of the code, it's unnecessary
369 now that the dataflow analyzer records the info for us.
370 (store_killed_after): Add parameter to say whether to do the
371 store_ops_okay test, used to speed up testing when we already know
372 the answer, and just want to know if the store itself was killed.
373 (build_store_vector): Largely rewritten to calculate the various
374 vectors properly, and somewhat optimized.
375 (store_motion): Init the df_analyzer, get REG_DEF chains.
376 Also handle trapping expressions (since mems almost always trap)
377 (simple_mem): Redefine what a simple mem is.
379 2001-08-03 DJ Delorie <dj@redhat.com>
381 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
382 set from a constant part of the condition.
384 2001-08-01 Andrew Cagney <ac131313@redhat.com>
386 * mkdeps.c (deps_add_default_target): Make local variable
387 ``start'' a const char pointer.
388 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
390 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
392 * doc/install.texi (Configuration): Fix markup.
393 (Specific, i?86-*-udk): Likewise.
394 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
396 Document --enable-threads and --enable-libgcj status.
397 (Specific, mips-sgi-irix*): Canonicalize triples.
398 (Specific, mips-sgi-irix5): Warn about problems with this config.
399 Mention required GNU as patch.
400 Native assembler problems are fixed.
401 (Specific, mips-sgi-irix6): Update O32 ABI support status.
402 Document --enable-threads and --enable-libgcj status.
404 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
406 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
409 2001-08-03 Richard Henderson <rth@redhat.com>
411 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
414 2001-08-03 Richard Henderson <rth@redhat.com>
416 * rtlanal.c (find_first_parameter_load): Stop if we
417 reach a CODE_LABEL at BOUNDARY.
419 2001-08-03 Richard Henderson <rth@redhat.com>
421 * config/alpha/alpha.md (force_movdi): New insn.
422 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
423 Tweek FRP marking of VMS prologue insns.
424 * config/alpha/vms.h (EPILOGUE_USES): New.
426 2001-08-02 Richard Henderson <rth@redhat.com>
428 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
430 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
432 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
433 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
434 config/convex/convex.h, config/d30v/d30v.c,
435 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
436 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
437 config/mips/mips.h, config/mn10200/mn10200.h,
438 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
439 config/v850/v850.h, config/vax/openbsd.h,
440 config/vax/openbsd1.h, config/vax/ultrix.h,
441 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
442 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
443 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
444 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
445 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
446 in comments and documentation.
448 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
452 * Makefile.in (line-map.o): New.
453 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
454 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
455 * cpperror.c (print_containing_files): Similarly.
456 (print_location): Update. Don't output a space before _Pragma.
457 * cppfiles.c (stack_include_file): Set to line 1 immediately.
458 (stack_include_filee, cpp_make_system_header): Update.
459 (_cpp_execute_include): Get logical line number right for calling
460 as-yet-unterminated #include.
461 * cpphash.h (struct cpp_reader): Add line_maps.
462 (_cpp_do_file_change): Update.
463 * cppinit.c (cpp_create_reader): Initialize line maps.
464 (cpp_destroy): Destroy line maps.
465 (cpp_start_read): Get logical line number right.
466 * cpplex.c (parse_string): Only warn once for multi-line strings.
467 Use boolean variable for null warning.
468 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
470 (do_include_common): End the directive early.
471 (do_line): Don't warn about out-of-range lines in preprocessed
472 source. Update. Remove unused variables.
473 (_cpp_do_file_change): Update for new line mapping.
474 (pragma_cb): New typedef.
475 (cpp_register_pragma): Stop looking ahead before calling the
477 (do_pragma_system_header): End directive early.
478 (cpp_get_line_maps): New.
479 (cpp_pop_buffer): Fudge logical line. Update.
480 * cpplib.h: Include line-map.h
481 (enum cpp_fc_reason): Remove.
482 (struct cpp_file_change): Update.
483 (cpp_get_line_maps): New.
484 * cppmain.c (struct_printer): New member map.
485 (cb_file_change): Update for new mappings.
486 * fix-header.c (cb_file_change): Similarly.
488 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
490 * Makefile.in (libgcc.mk): Define mkinstalldirs.
491 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
493 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
495 * config/vax/vax.c: include expr.h.
497 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
499 * Makefile.in ($(srcdir)/configure): Only rebuild in
501 ($(srcdir)/config.in): Only define in maintainer mode.
502 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
504 2001-08-02 David Edelsohn <edelsohn@gnu.org>
506 * doc/install.texi (Install GCC: Binaries): Update Bull info.
508 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
510 * gcc.c (set_collect_gcc_options): New function, split out from
512 Ignore elided switches.
513 (do_spec_1): Invoke before executing command.
516 * gcc.h (set_input): ... here.
517 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
520 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
523 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
525 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
527 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
529 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
530 for the unnamed instructions it expands to.
532 2001-08-02 Richard Henderson <rth@redhat.com>
534 * regclass.c (call_really_used_regs): Conditionally define.
535 (init_reg_sets_1): Don't use it if not defined.
536 (fix_register): Similarly, don't set it.
538 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
540 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
541 Correct comment that had been missed in the previous change.
543 2001-08-01 Stan Shebs <shebs@apple.com>
545 * config/darwin.c (machopic_stub_name): Try matching by name.
546 (update_stubs): New function.
547 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
550 2001-08-01 Richard Henderson <rth@redhat.com>
552 * except.c (output_function_exception_table): Use assemble_align.
553 * varasm.c (assemble_eh_label): Remove.
554 (assemble_eh_align, assemble_eh_integer): Remove.
556 2001-08-01 Robert Lipe <robertl@caldera.com>
558 * dwarfout.c: Remove reference to README.DWARF.
560 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
562 * regclass.c (call_really_used_regs): New array for registers which
563 are actually used by a call.
564 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
566 (fix_register): Set call_really_used too.
567 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
568 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
570 2001-08-01 Richard Henderson <rth@redhat.com>
572 * read-rtl.c (read_name): Consider \r whitespace.
574 2001-07-11 Andrew Cagney <ac131313@redhat.com>
576 * config.gcc: Recognize powerpc-*-netbsd*.
578 * doc/install.texi (Host/target specific installation notes for
579 GCC): Mention powerpc-*-netbsd*.
581 * config/rs6000/netbsd.h: New file.
582 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
583 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
584 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
585 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
586 (TARGET_VERSION): Redefine.
588 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
589 mcall-netbsd as a match for mcall-sysv.
590 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
591 (ncrti.S, ncrtn.S): New targets.
592 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
594 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
595 "netbsd' as a V4 ABI.
596 (ASM_SPEC): Check for -mcall-netbsd.
597 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
598 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
599 (LIB_SPEC, ENDFILE_SPEC): Ditto.
600 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
601 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
602 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
603 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
605 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
606 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
608 2001-08-01 Mark Kettenis <kettenis@gnu.org>
610 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
611 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
612 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
613 including "unwind-pe.h".
615 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
617 * rs6000.md (define_splits): Kill unused constraints.
619 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
620 Jan Hubicka <jh@suse.cz>
622 * function.c (thread_prologue_and_epilogue_insns): Kill code
623 dealing with non-existent CFG.
625 2001-08-01 Kazu Hirata <kazu@hxi.com>
627 * alias.c: Fix comment formatting.
628 * bitmap.c: Likewise.
629 * builtins.c: Likewise.
631 * c-common.c: Likewise.
632 * c-decl.c: Likewise.
633 * c-dump.c: Likewise.
635 * collect2.c: Likewise.
636 * combine.c: Likewise.
637 * conflict.c: Likewise.
638 * cppfiles.c: Likewise.
639 * cppinit.c: Likewise.
640 * cpplex.c: Likewise.
641 * cpplib.c: Likewise.
642 * cppmacro.c: Likewise.
643 * cppspec.c: Likewise.
644 * c-pragma.c: Likewise.
645 * crtstuff.c: Likewise.
647 * cselib.c: Likewise.
648 * c-semantics.c: Likewise.
649 * c-typeck.c: Likewise.
651 2001-08-01 H.J. Lu <hjl@gnu.org>
653 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
655 2001-08-01 H.J. Lu <hjl@gnu.org>
657 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
659 2001-08-01 Ziemowit Laski <zlaski@apple.com>
661 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
662 contextualizing Objective-C class name lookup by the lexer.
663 (typespec_reserved_nonattr): Disable ObjC class name lookup after
665 (protocoldef): Add support for forward @protocol declarations.
666 (yylexname): Suppress ObjC class name lookup in certain contexts;
667 re-enable after lookup is complete.
668 (_yylex): Re-enable ObjC class name lookup when certain
669 punctuation marks are seen.
671 * objc/objc-act.c (check_protocol_recursively): New function used
672 for finding circular dependencies in protocols.
673 (objc_declare_protocols): New function for handling forward
674 @protocol declarations.
675 (receiver_is_class_object): Detect the case when 'self' is used
676 inside of a class method.
677 (build_message_expr): Issue a warning if class method is desired
678 but instance method is found instead.
679 (conforms_to_protocol): Streamline.
680 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
681 protocol Foo, even if 'Bar foo' does not.
682 (check_protocols): Streamline.
683 (start_protocol): Add checks for circular and duplicate protocol
685 (encode_aggregate_within): For typedefs of structs, encode the
687 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
688 (objc_declare_protocols): New prototype.
690 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
692 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
693 * cpplex.c (handle_newline): Update prototype. Maintain logical
695 (skip_escaped_newlines, skip_block_comment, parse_string):
697 (_cpp_lex_token): Update, and store token position within the token.
698 * cpplib.h (struct cpp_token): Add line and column entries.
699 * cppmacro.c (replace_args): Position stringified tokens correctly.
701 2001-08-01 Andreas Jaeger <aj@suse.de>
703 * basic-block.h: Add prototype for last_loop_beg_note.
705 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
707 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
708 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
710 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
711 while handling WITH_CLEANUP_EXPR node. Use second operand calling
713 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
715 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
716 operand while calling simple_cst_equal.
717 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
718 operand is the cleanup expression, the third is the RTL_EXPR.
719 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
721 2001-07-31 Jeff Sturm <jsturm@one-point.com>
723 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
725 2001-07-31 matthew green <mrg@eterna.com.au>
727 * config.gcc (i386-*-netbsdelf): New description.
728 * config/i386/netbsd-elf.h: New file.
730 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
732 * loop.c (check_dbra_loop): Use single_set to compute
735 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
737 PowerPC reorg and support for powerpc64-*-linux*.
739 Also fixes emitting of constants on 32 bit and 64 bit
742 * config.gcc: powerpc64-*-linux* is a new target.
743 Things that needed aix.h now also include xcoff.h
745 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
747 Move AIX specific stuff into aix.h.
748 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
749 with more than just XCOFF now.
750 (SET_ASM_OP): Remove, now defined where needed.
751 (FUNCTION_PROLOGUE): New macro definition.
752 (FUNCTION_EPILOGUE): New macro definition.
753 (CONST_OK_FOR_LETTER_P): Change N to require that value is
755 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
757 * config/rs6000/xcoff.h: New file.
759 * config/rs6000/linux64.h: New file.
761 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
763 2001-07-31 Alan Modra <amodra@bigpond.net.au>
765 * rs6000.c (print_operand_address): Handle ELF syntax.
766 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
767 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
768 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
770 2001-07-31 David Edelsohn <edelsohn@gnu.org>
772 * rs6000.c (rs6000_override_options): Only disable
773 flag_function_sections for XCOFF.
774 (exact_log2_cint_operand): New predicate.
775 (reg_or_{add,sub}_cint64_operand): New predicates.
776 (add_operand): Compare CONST_INT with fewer function calls.
777 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
778 (print_operand, case 'p'): Ensure positive operand.
779 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
780 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
781 (PREDICATE_CODES): Add new predicates.
782 * rs6000.md (addsi3): Split 32-bit constants more correctly.
783 (divsi3, modsi3): Ensure positive power-of-2.
784 (adddi3): Use new predicate. Split 32-bit constants more
785 correctly. Re-arrange splitter to handle any constant.
786 (subdi3): Use new predicate.
787 (divdi3, moddi3): Ensure positive power-of-2.
788 (movdi): Use rs6000_emit_set_const.
789 (load_toc_v4_pic_di): Delete.
791 2001-07-31 Graham Stott <grahams@redhat.com>
793 * function.c (pad_below): Revert 2001-07-26 patch.
795 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
797 * reg-stack (convert_regs_1): Fix best edge condition.
799 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
801 * jump.c (duplicate_loop_exit_test): Better test for jumps
802 entering the loop; create loop pre_header.
804 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
806 * doc/install.texi: Add s390 and s390x as new targets.
807 * doc/invoke.texi: Add documantation of S/390 and zSeries
809 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
811 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
813 * config/m68k/m68k.md: Replace all general_operand with
814 nonimmediate_operand for all destinations.
815 * config/m68k/m68k.c (not_sp_operand): Likewise.
817 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
819 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
821 2001-07-30 Richard Henderson <rth@redhat.com>
823 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
824 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
826 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
828 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
829 Add missing doc strings
830 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
831 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
833 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
835 * i386.c (ix86_output_main_function_alignment_hack): New function.
836 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
838 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
839 edges by EDGE_DFS_BACK flag.
840 (dump_edge_info): Add dfs_back flag.
841 * basic-block.h (EDGE_DFS_BACK): New constant.
842 (mark_dfs_back_edges): Declare.
843 * alias.c (loop_p): Remove.
844 (mark_constant_function): Use mark_dfs_back_edges.
846 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
847 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
848 (compensate_edge): Break out from ...
849 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
850 (convert_regs_2): Set block_done once block is really done;
851 Do updating of the predecesors counts.
853 * toplev.c (rest_of_compilation): Recompute block_for_insn
854 before post-reload cfg_cleanup.
855 * function.c (thread_prologue_epilogue_insns):
856 Call set_block_for_new_insns when emitting prologue directly.
858 2001-07-30 Andreas Jaeger <aj@suse.de>
860 * jump.c: Add prototype for mark_modified_reg.
862 * cse.c (set_live_p): Add unused attribute.
864 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
866 (scan_for_source_files): Use long for count to avoid overflow.
867 (output_data): Likewise.
868 (output_data): Don't use string concatatenation to silence gcc
871 * predict.c: Fix typos and grammar.
873 * gcse.c (insert_insn_end_bb): Remove unused variables.
875 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
877 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
878 (attempt_auto_inc): LIkewise.
879 (mark_used_reg): Likewise.
880 (try_pre_increment_1): Likewise.
881 * regclass.c (regclass): Likewise.
882 * global.c (allocno_compare): Update comment; change scaling factor.
883 * local-alloc.c (QTY_CMP_PRI): Likewise.
884 * regs.h (REG_FREQ_FROM_BB): New.
885 (REG_FREQ_MAX): Likewise.
887 2001-07-30 H.J. Lu <hjl@gnu.org>
889 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
892 2001-07-30 H.J. Lu (hjl@gnu.org)
894 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
895 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
896 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
898 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
900 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
901 as -mthumb-interwork when -mcpu=arm7 is specified.
903 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
905 * predict.def (noreturn, loop branch, loop exit): Mark as first
908 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
910 * combine.c (try_combine): Avoid barrier after noop jumps.
912 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
914 * cpphash.h (struct cpp_reader): Remove import_warning.
915 * cpplib.c (skip_rest_of_line): Don't bother turning off
917 (parse_include): Move include handling to...
918 (do_include_common): ... here. Move import warning from...
919 (do_import): ... here.
920 (do_pragma_poison): Don't do a callback for poison identifiers.
921 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
922 * cppmain.c (setup_callbacks): Similarly.
924 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
926 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
927 handle multiple sets.
928 * except.c (sjlj_mark_call_sites): .... here.
929 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
931 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
933 Suggested by Richard Henderson and Richard Kenner:
934 * combine.c (recog_for_combine): Use the fake recog
935 only if instruction does not match.
936 * rtl.h (NOOP_MOVE_INSN_CODE): New.
937 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
939 * combine.c (try_combine): Discover noop jump as direct jump.
941 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
943 * df.c (df_rd_global_compute): Add successors to worklist, not
945 (df_ru_global_compute): Ditto.
947 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
949 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
950 increment REG_N_SETS.
952 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
954 * sbitmap.h: New prototype for sbitmap_a_xor_b.
956 * sbitmap.c (sbitmap_a_xor_b): New function.
957 ifdef the basic block stuff on IN_GCC.
959 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
961 * cppexp.c (parse_defined): Always record the macro name.
962 (lex): Don't worry about identifiers, or special-case
964 (_cpp_parse_expr): Figure out at the end of the routine
965 whether we saw a valid !defined() expression.
966 * cppfiles.c (stack_include_file): Update for mi_valid.
967 (_cpp_pop_file_buffer): Similarly.
968 * cpplex.c (_cpp_lex_token): Similarly.
969 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
970 mi_if_not_defined, mi_lexed): Remove.
972 * cpplib.c (do_if): Simplify.
973 (do_endif, push_conditional, _cpp_handle_directive): Update
974 for renaming of mi_state to mi_valid.
976 * cpp.texi: Add index entries for digraphs, and add comment
977 that C++ refers to them as alternative tokens.
979 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
981 * basic-block.h (CLEANUP_PRE_LOOP): New.
982 * except.c (finish_eh_generation): Update call of cleanup_cfg.
983 * sibcall.c (optimize_sibling_calls): Likewise.
984 * toplev.c (rest_of_compilation): Likewise.
985 * flow.c (try_forward_edges): Take argument MODE;
986 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
987 (try_optimize_cfg): Update call of try_forward_edges.
989 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
990 Jan Hubicka <jh@suse.cz>
992 * (validate_replace_rtx_1): Fix simplification of MINUS.
994 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
997 * cppinit.c (init_dependency_output): Turn off dump requests
998 if sending dependencies to stdout.
1000 2001-07-28 Richard Henderson <rth@redhat.com>
1002 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1005 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1007 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1009 2001-07-28 Kazu Hirata <kazu@hxi.com>
1011 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1012 is VAR_DECL first to prevent an ICE.
1014 2001-07-28 Richard Henderson <rth@redhat.com>
1016 * varasm.c (immed_real_const_1): Don't elide special cases for
1018 (clear_const_double_mem): Clear const_tiny_rtx too.
1020 2001-07-28 Richard Henderson <rth@redhat.com>
1022 * dwarf2out.c (dw_val_class_offset): New.
1023 (struct dw_ranges_struct, dw_ranges_ref): New.
1024 (ranges_table, ranges_table_allocated): New.
1025 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1026 (add_AT_offset, add_ranges, output_ranges): New.
1027 (print_die, output_die): Handle dw_val_class_offset.
1028 (attr_checksum, size_of_die, value_format): Likewise.
1029 (gen_lexical_block_die): Handle non-contiguous blocks.
1030 (gen_block_die): Likewise.
1031 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1032 if needed. Dump the ranges table.
1033 * final.c (final_start_function): Remove unnecessary notes and
1034 rebuild the block tree before numbering the blocks.
1035 * function.c (reorder_blocks_0): Walk the existing block tree
1036 to unmark all blocks.
1037 (reorder_blocks_1): Create block fragments when duplicate block
1039 (reorder_fix_fragments): New.
1040 (reorder_blocks): Call it.
1041 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1043 2001-07-28 Richard Henderson <rth@redhat.com>
1045 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1047 2001-07-28 Richard Henderson <rth@redhat.com>
1049 * flow.c (add_to_mem_set_list): New function.
1050 (init_propagate_block_info): Use it.
1051 (mark_set_1): Likewise.
1052 (insn_dead_p): Canonicalize memory address for dead store
1053 comparison. Allow wider mode stores to kill narrower mode stores.
1054 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1055 (invalidate_mems_from_set): Don't handle MEMs.
1057 2001-07-28 Kazu Hirata <kazu@hxi.com>
1059 * config/h8300/h8300.h: Fix formatting.
1061 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1063 * basic-block.h (EDGE_FREQUENCY): New macro.
1064 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1066 * flow.c (find_sub_basic_blocks): Likewise.
1067 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1068 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1070 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1071 (HITRATE): New macro.
1072 (PRED_FLAG_FIRST_MATCH): New constant.
1073 (predictor_info): New field flgags.
1074 (combine_predictions_for_insn): Use DS theory to combine
1075 probabilities; set the edge probabilities when finished.
1076 (estimate_probability): Avoid duplicated matches
1077 of LOOP_BRANCH heuristics for nested loops; update comment.
1078 * predict.def: Add flags for each prediction, set probabilities
1079 according to B&L paper.
1080 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1082 * profile.c (compute_branch_probabilities): Cleanup way the edge
1083 probabilities are computed and REG_BR_PROB notes are dropped; if
1084 values does not match, emit error.
1085 (init_branch_prob): Do error instead of warning when profile driven
1086 feedback is missing or corrupt.
1088 2001-07-27 DJ Delorie <dj@redhat.com>
1090 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1091 against a constant, try to adjust the compare to have the desired
1092 constant in it so that min/max optimizations happen more often.
1094 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1096 * flow.c (last_loop_beg_note): New function.
1097 (redirect_edge_and_branch): Use it.
1098 (split_edge): Likewise.
1100 * alias.c (loop_p): Avoid uninitialized memory access.
1102 * flow.c (try_forward_edges): Avoid accessing freed memory.
1104 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1107 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1109 * doc/install.texi (Configuration): Properly link the host
1110 specific instructions also when generating HTML.
1112 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1114 * flow.c (redirect_edge_and_branch_force): Test
1115 target->global_live_at_start.
1117 2001-07-26 Richard Henderson <rth@redhat.com>
1119 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1120 * rtl.h (avoid_constant_pool_reference): Declare it.
1121 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1122 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1124 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1126 * rtl.h (cleanup_barriers): Declare.
1127 * jump.c (cleanup_barriers): New function.
1128 * toplev.c (rest_of_compilation): Call cleanup_barriers
1129 before loop optimizer and after bb_reorder.
1131 * flow.c (back_edge_of_syntactic_loop_p): New.
1132 (split_edge): Use it.
1134 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1136 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1138 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1140 * cse.c (cse_process_notes): Replace any registers if the address
1143 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1145 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1146 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1147 (propagate_block): Update prototype.
1148 * flow.c (update_life_info): Simplify the CFG and
1149 recalculate the global regs which are alive when
1150 removing dead code during a global update.
1151 (propagate_block): Return non-zero if an INSN is
1154 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1156 * Makefile.in (LIBICONV): Define.
1158 2001-07-26 Catherine Moore <clm@redhat.com>
1160 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1161 of conditional to avoid tree checking errors.
1163 2001-07-26 Kazu Hirata <kazu@hxi.com>
1165 * regmove.c (regmove_optimize): Don't replace a reg with
1166 another reg of a different mode.
1168 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1170 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1171 limit length of dependancy flush list.
1172 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1173 * sched-int.h (struct deps): Add pending_flush_length field.
1174 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1175 has 1 element in it.
1176 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1177 (sched_analyze): After a jump, if the pending memory flush list is too
1178 large, flush the pending lists.
1179 (init_deps): Initialize pending_flush_length to 0.
1180 * doc/invoke.texi (max_pending_list_length): Document parameter.
1182 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1184 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1185 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1186 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1188 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1190 * cpphash.h (struct_lexer_state): Delete was_skipping.
1191 Move skipping here from struct cpp_reader.
1192 * cpplex.c (parse_identifier): Update.
1193 (_cpp_lex_token): Don't skip tokens in a directive.
1194 * cpplib.c (struct if_stack): Update.
1195 (start_directive, end_directive): Don't change skipping state.
1196 (_cpp_handle_directive): Update.
1197 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1198 (do_else, do_endif): Update; only check for excess tokens if not
1199 in a skipped conditional block.
1200 (push_conditional): Update for new struct if_stack.
1202 2001-07-26 Graham Stott <grahams@redhat.com>
1204 * function.c (locate_and_pad_parm): Also pad initial offset
1205 so that the total argument size also includes the padding.
1207 2001-07-26 Graham Stott <grahams@redhat.com>
1209 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1210 change XSTR to XTMPL.
1212 (process_one_cond_exec): Likewise
1214 2001-07-25 Richard Henderson <rth@redhat.com>
1216 * varasm.c (assemble_variable): Create DECL_RTL before setting
1219 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1221 * predict.c (estimate_probability): Avoid duplicated predictions.
1223 * loop.c (find_and_verify_loops): Grok multiple barriers.
1225 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1227 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1229 * dbxout.c: Consistently use putc instead of fputc.
1230 (print_wide_int): New function; call instead of direct fprintf.
1231 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1232 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1233 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1234 (print_int_cst_octal): Likewise.
1235 (print_octal): Show we wrote characters.
1236 (dbxout_type): Set have_used_extensions in more places.
1238 2001-07-25 Catherine Moore <clm@redhat.com>
1240 * config/v850/v850.c (v850_va_arg): Use addr
1241 instead of valist to build incr.
1243 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1245 * flow.c (delete_dead_jumptables): New function.
1246 (life_analyzis): Call it.
1247 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1250 2001-07-25 Richard Henderson <rth@redhat.com>
1252 * except.c (reachable_handlers): Handle a region being removed
1253 out from under a RESX.
1255 2001-07-25 Richard Henderson <rth@redhat.com>
1257 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1258 swap GE/GT if it is an fp comparison.
1260 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1262 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1265 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1267 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1268 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1271 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1273 (visit_expression): When attempting to simplify an expression,
1274 retrieve any modes for arguments before they are simplified
1277 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1278 Janis Johnson <janis@us.ibm.com>
1280 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1281 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1282 pointer parameters to match documented usage of nonlocal_goto.
1283 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1284 parameters to their correct order.
1285 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1286 parameters to their correct order.
1288 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1290 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1292 2001-07-25 Jan Hubicka <jh@suse.cz>
1293 Richard Henderson <rth@redhat.com>
1295 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1297 (make_edges): New argument update_p; populate the edge cache if set.
1298 (find_basic_blocks): Update make_edges invocation.
1300 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1302 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1304 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1306 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1307 -Acpu and -Amachine.h.
1308 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1309 Corrected header to say ELF not a.out.
1310 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1311 when given -msoft-float.
1313 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1315 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1316 extra multilib parts like arm-elf.
1317 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1318 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1319 crtfini.o as extra multilib parts.
1321 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1323 * configure.in: Add rtems as a supported thread model.
1324 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1325 * configure: Rebuilt.
1327 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1329 * stor-layout.c (get_mode_alignment): make it work when
1330 BITS_PER_UNIT is not a power of two.
1331 * builtins.c (get_pointer_alignment): Likewise.
1333 2001-07-24 Richard Henderson <rth@redhat.com>
1335 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1336 the retrieved constant into the expected mode.
1338 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1340 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1341 (verify_flow_info): Check for duplicated edges; clarify
1344 * flow.c (block_label): Update basic_block_for_insn.
1345 (commit_edge_insertions): Call compute_bb_for_insn.
1347 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1350 * flow.c (redirect_edge_and_branch,
1351 try_optimize_cfg): Use redirect_edge_succ_nodup
1352 (redirect_edge_succ_nodup): New.
1353 * basic_block.h (redirect_edge_succ_nodup): Declare.
1355 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1358 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1360 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1361 (try_crossjump_to_edge): Update commetns.
1362 (try_crossjump_bb): Likewise.
1364 2001-07-24 Richard Henderson <rth@redhat.com>
1366 * combine.c (distribute_notes): Move set of need_refresh
1367 for noop_move_p down to catch all cases.
1369 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1371 * recog.c (split_all_insns_noflow): New.
1372 * rtl.h (split_all_insns_noflow): Declare.
1373 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1374 * m68hc11.c (m68hc11_reorg): Likewise.
1375 * sh.c (machine_dependent_reorg): Likewise.
1376 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1379 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1381 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1382 (ashlsi3_n splitter): Likewise.
1383 (lshrsi3_n splitter): Likewise.
1385 (GOTaddr2picreg): Make const SImode.
1386 (sym_label2reg): Likewise.
1387 (symGOT2reg): Likewise.
1388 (symGOTOFF2reg) Likewise.
1390 (casesi_worker_0): Make unspec SImode.
1392 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1394 * config/sh/sh.c (barrier_align): Check that an operand really is
1395 an insn before extracting its INSN_CODE.
1397 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1399 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1402 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1403 for SImode to prevent overflow.
1405 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1407 * config/mips/irix6-libc-compat.c: New file.
1408 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1409 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1412 2001-07-24 lars brinkhoff <lars@nocrew.org>
1414 * rtl.texi (REG_POINTER): Document.
1415 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1416 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1418 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1420 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1422 2001-07-23 Richard Henderson <rth@redhat.com>
1424 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1426 2001-07-23 Kazu Hirata <kazu@hxi.com>
1428 * config/h8300/h8300-protos.h: Add a prototype for
1429 general_operand_dst_push.
1430 * config/h8300/h8300.c (general_operand_dst_push): New.
1431 * config/h8300/h8300.h (OK_FOR_T): New.
1432 (EXTRA_CONSTRAINT): Use it.
1433 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1434 the existing movqi pattern.
1435 (movhi_push): Likewise.
1437 * reload.c: Fix comment typos.
1439 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1441 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1443 2001-07-23 H.J. Lu (hjl@gnu.org)
1445 * doc/extend.texi: Update __builtin_return_address and
1446 __builtin_frame_address.
1448 2001-07-23 Richard Henderson <rth@redhat.com>
1450 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1452 * config/i386/i386.md: New setcc+movzbl peephole2.
1454 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1456 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1457 * objc/objc-act.c: Include debug.h.
1458 (synth_module_prologue): Save and restore debug hooks too.
1460 2001-07-23 lars brinkhoff <lars@nocrew.org>
1462 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1463 and C4X_FLOAT_FORMAT.
1464 (BOOL_TYPE_SIZE): Document.
1466 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1468 * unroll.c (loop_iterations): Fix miscalculation of initial
1471 2001-07-13 Andrew Haley <aph@redhat.com>
1473 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1474 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1475 * config/sh/sh.c (sh_can_redirect_branch): New function.
1476 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1477 * reorg.c (steal_delay_list_from_target): Use
1478 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1480 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1482 * flow.c (try_simplify_condjump): Unlink insn chain on
1483 fallthru edge; use can_fallthru.
1485 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1487 * basic-block.h (find_sub_basic_block): Declare.
1488 * flow.c (make_edges): New arguments MIN and MAX;
1489 (find_sub_basic_blocks): Revamp to use make_edges
1490 and purge_dead_edges.
1491 (find_basic_blocks): Update call of find_sub_basic_block.
1493 * recog.c (split_all_insns): Always expect CFG to be consistent;
1494 call find_sub_basic_blocks in case something has changed.
1495 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1498 * basic-block.h (delete_noop_moves): Declare.
1499 * combine.c (combine_instructions): Call it.
1500 (recog_for_combine): Tolerate noop moves
1501 (distribute_notes): Force refresh when register dies at noop move.
1502 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1504 (life_analysis): Update delete_noop_moves call.
1505 (set_noop_p): Move too ...
1506 * rtlanal.c (noop_move_p): ... here.
1507 * rtl.h (noop_move_p): Declare.
1509 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1510 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1512 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1513 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1515 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1517 * reload.c (push_reload): Fix typo in comment.
1518 (find_reloads_address): Ditto.
1519 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1521 2001-07-22 Richard Henderson <rth@redhat.com>
1523 * flow.c: Grammar check and clarify a lot of comments.
1524 (try_simplify_condjump): Rename variables to be clearer.
1525 (try_forward_edges): Skip complex and fallthru edges.
1526 Rearrange tests to avoid duplicate checks.
1527 (flow_find_cross_jump): Likewise.
1528 (outgoing_edges_match): Allow match if neither branch has
1529 probability data. Loosen probability match to 5%.
1530 (try_crossjump_to_edge): Hoist repeated indirection into
1532 (try_crossjump_bb): Don't check complex edges. Eliminate
1533 redundant crossjump tests.
1534 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1535 checks before more expensive checks.
1537 2001-07-22 Richard Henderson <rth@redhat.com>
1539 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1540 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1543 2001-07-22 Richard Henderson <rth@redhat.com>
1545 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1546 (const_sint32_operand): Likewise.
1547 * m68k.md (anon mulsi pattern): Use const_int_operand not
1548 const_sint32_operand.
1549 (umulsi3_highpart): Zero extend a constant input.
1550 (smulsi3_highpart): Don't bother checking SImode constant.
1551 (const_umulsi3_highpart): Give op3 DImode.
1552 (const_smulsi3_highpart): Likewise.
1554 2001-07-22 Richard Henderson <rth@redhat.com>
1556 * flow.c (split_block): Make sure bb_note is included in the
1557 new block when splitting before a label.
1559 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1561 * basic-block.h (redirect_edge_and_branch_force,
1562 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1563 * flow.c (redirect_edge_and_branch_force,
1564 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1565 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1566 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1567 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1568 instead of label; update CFG after transformation.
1569 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1570 for finishing the transformation; handle even case where ELSE
1571 does not follow THEN.
1572 (find_if_case_2): Update call of dead_or_predictable; simplify
1575 * emit-rtl.c (split_branch_probability): New global variable.
1576 (try_split): Take care to set split_branch_probability and
1577 create REG_BR_PROB note for new jump insns.
1578 * md.texi (define_split): Document new feature.
1580 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1582 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1584 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1585 (asm_out_file): Remove redundant declaration.
1586 (assemble_asm): Remove old #if 0 block.
1587 (assemble_variable): Remove end of function; debug output is
1588 now handled with global_decl. Remove old #if 0 block. Update.
1589 Remove saved_in_section and associated no-op code.
1590 * Makefile.in (varasm.o): Correct dependencies.
1592 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1594 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1595 the definition in defaults.h.
1597 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1599 * jump.c: Update comments.
1600 (delete_barrier_successors, delete_unreferenced_labels,
1601 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1602 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1603 jump_optimize, jump_optimize_minimal): Kill.
1604 (rebuild_jump_labels): Move code from jump_optimize_1.
1605 (purge_line_number_notes): Likewise.
1606 (copy_loop_headers): Likewise.
1607 * reg-stack.c: Update comment.
1609 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1610 JUMP_AFTER_REGSCAN): Kill.
1611 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1612 purge_line_number_notes and copy_loop_headers.
1614 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1615 Richard Henderson <rth@redhat.com>
1617 * dbxout.c (dbxout_global_decl): New.
1618 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1619 * sdbout.c (sdbout_finish): New.
1620 (sdbout_debug_hooks): Use it, add comments.
1621 (sdbout_global_decl): Defer initialised public vars to
1623 * varasm.c (assemble_variable): Don't output debug information
1624 for file-scope variables.
1626 2001-07-22 Richard Henderson <rth@redhat.com>
1628 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1629 (get_round_mode_suffix): New.
1630 (print_operand): Use them for [/]. Remove support for [&'`()+].
1631 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1632 * config/alpha/alpha.md (attr round_suffix): New.
1633 (attr trap_suffix): New.
1634 (all insns): Set them appropriately. Use %/ instead of the
1637 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1639 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1641 2001-07-22 Richard Henderson <rth@redhat.com>
1643 * regrename.c (regrename_optimize): Compute nregs for each
1644 potential target register.
1646 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1647 Richard Henderson <rth@redhat.com>
1649 * dbxout.c (dbxout_global_decl): New.
1650 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1651 * sdbout.c (sdbout_finish): New.
1652 (sdbout_debug_hooks): Use it, add comments.
1653 (sdbout_global_decl): Defer initialised public vars to
1655 * varasm.c (assemble_variable): Don't output debug information
1656 for file-scope variables.
1658 2001-07-21 H.J. Lu (hjl@gnu.org)
1660 * config/mips/mips.c (mips_cpu): Moved into ...
1661 (override_options): Here.
1663 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1665 (mips_cpu): Removed.
1667 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1669 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1670 ("iorqi3"): Likewise.
1671 ("xorqi3"): Likewise.
1672 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1673 ("*subhi3_sp): Likewise.
1674 ("*subhi3"): Likewise.
1675 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1678 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1680 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1681 * config/freebsd.h: Likewise.
1682 * config/linux.h: Likewise.
1683 * config/openbsd.h: Likewise.
1684 * config/alpha/linux-elf.h: Likewise.
1685 * config/arm/linux-elf.h: Likewise.
1686 * config/d30v/d30v.h: Likewise.
1687 * config/fr30/fr30.h: Likewise.
1688 * config/ia64/aix.h: Likewise.
1689 * config/ia64/ia64.h: Likewise.
1690 * config/mips/linux.h: Likewise.
1691 * config/pj/pj.h: Likewise.
1692 * config/rs6000/linux.h: Likewise.
1693 * config/sparc/linux.h: Likewise.
1694 * config/sparc/linux64.h: Likewise.
1696 2001-07-20 Bruce Korb <bkorb@gnu.org>
1698 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1699 because getc() and char* may disagree on signedness.
1701 2001-07-20 Richard Henderson <rth@redhat.com>
1703 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1705 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1706 insns to delete in the presence of cc0 in a jump insn.
1708 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1709 Jan Hubicka <jh@suse.cz>
1711 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1712 of doing the change by hand.
1714 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1716 * rtlanal.c (set_noop_p): Return true for noop jumps.
1718 * expr.c (emit_single_push_insn): Add call to push expander.
1719 * expr.h (optab_index): Add OTI_push
1720 (push_optab): New constant.
1721 * genopinit.c (optabs): Add push_optab.
1722 * optabs.c (init_optab): Init push optab.
1723 * md.texi (push??1): Document
1725 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1727 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1728 expand to emit the pattern; put a REG_INC note for push/pop
1730 ("movdf", "movdf_internal"): Likewise.
1731 ("movsi", "movsi_internal"): Likewise.
1732 ("movsf", "movsf_internal"): Likewise.
1733 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1735 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1737 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1740 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1742 * params.def: Change default max inline insns to 100.
1744 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1746 * combine.c (combine_simplify_rtx): Generate a new shift operation
1747 when simplifying the first operand of a (neg (ashift)) expression.
1749 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1751 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1753 2001-07-20 Kelley Cook <kelley.cook@home.com>
1755 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1756 information. Move rest into ...
1757 (*-*-solaris): ... here. Eliminate redundant information and
1758 reword necessary packages section. Delete 4.x assembler bug info.
1759 (sparc-sun-*): Merge into ...
1760 (sparc-sun-sunos*): here.
1762 2001-07-20 Catherine Moore <clm@redhat.com>
1764 * config/v850/v850.md (casesi): Generate LABEL_REF
1767 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1769 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1770 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1771 * i386.md (strclrsi expander): Use it.
1773 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1775 * integrate.c (copy_insn_list): handle
1776 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1777 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1778 identically as to CODE_LABEL.
1780 * fold-const (fold): Convert A/B/C to A/(B*C) and
1783 * except.c (connect_post_landing_pads): Delete the RESX insns.
1785 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1787 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1789 * config/mips/mips.md (nmadd/nmsub): Use macro.
1791 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1793 * cppinit.c (remove_dup_dir): Make static.
1794 (remove_dup_dirs): Make static. Only warn about preempting a
1795 system directory with a non-system directory.
1797 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1799 * ifcvt.c (noce_try_store_flag_constants): Correct order
1800 of parameters to trunc_int_for_mode.
1802 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1804 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1805 an exception that will be caught within this function, do not fill
1806 its delay slot with any subsequent instruction.
1808 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1810 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1811 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1812 pointer extension instruction.
1813 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1814 * simplify-rtx.c (simplify_unary_operation) Likewise.
1815 * explow.c (convert_memory_address) Check value of
1816 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1818 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1819 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1820 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1821 Add Multilib Support.
1822 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1823 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1824 Add Multilib Support.
1825 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1827 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1828 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1829 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1831 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1833 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1834 old and new operands in `<', `3' and `b'.
1836 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1839 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1840 (toplev.o): Don't depend on xcoffout.h.
1841 * c-decl.c: Include debug.h
1842 (duplicate_decls): Use debug hook.
1843 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1844 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1845 (dbxout_types): Remove.
1846 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1847 * debug.c (do_nothing_debug_hooks): Update.
1848 (debug_true_tree, debug_nothing_rtx): New.
1849 * debug.h (struct rtx_def): New.
1850 (struct gcc_debug_hooks): New hooks ignore_block,
1851 outlining_inline_function and label.
1852 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1853 dwarf2out_frame_finish): New.
1854 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1855 Make static, update prototype.
1856 (dwarf2_debug_hooks): Update.
1857 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1858 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1859 * dwarfout.c (dwarf_debug_hooks): Update.
1860 * emit-rtl.c: Include debug.h.
1861 (remove_unnecessary_notes): Use debug hook.
1862 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1863 (final_scan_insn): Use debug hook.
1864 * integrate.c (output_inline_function): Use debug hook.
1865 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1866 (sdb_debug_hooks): Update.
1867 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1868 * toplev.c: Don't include xcoffout.h.
1869 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1870 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1872 * tree.h (dwarf2out_do_frame): Remove.
1874 2001-07-19 Catherine Moore <clm@cygnus.com>
1876 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1878 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1880 * reload1.c (eliminate_regs_in_insn): When updating a set
1881 to the frame pointer to the hardware frame pointer, perform
1882 the update always not just when REPLACE is set.
1884 * reload1.c (choose_reload_regs): Don't inherit a reload
1885 that crosses multiple registers if registers past the first
1886 don't fit in the desired class.
1888 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1889 when negating constants.
1891 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1893 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1894 * doc/tree.texi: Ditto.
1896 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1897 Jakub Jelinek <jakub@redhat.com>
1899 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1900 (extract_cie_info): Handle "eh" augmentation properly,
1902 (struct frame_state, __frame_state_for): New.
1904 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1906 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1907 HANDLE_SYSV_PRAGMA): Define.
1908 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1910 (copy_object): Caller changed.
1912 2001-07-19 Andreas Schwab <schwab@suse.de>
1914 * configure.in (assembler dwarf2 debug_line support): Define nop
1916 * configure: Regenerated.
1918 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1920 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1922 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1923 to conditionally compiled block.
1924 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1925 * dbxout.h (dbxout_function): Remove.
1926 * debug.c (do_nothing_debug_hooks): Update.
1927 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1928 global_decl, deferred_inline_function.
1929 * dwarf2out.c (dwarf2_debug_hooks): Update.
1930 (dwarf2out_global_decl): New.
1931 * dwarfout.c: Don't include dwarfout.h.
1932 (dwarfout_global_decl, dwarfout_function_decl,
1933 dwarfout_deferred_inline_function): New.
1934 (dwarf_debug_hooks): Update.
1935 * dwarfout.h: Remove.
1936 * final.c: Don't include dwarfout.h.
1937 * sdbout.c (sdbout_global_decl): New.
1938 (sdbout_debug_hooks): Update.
1939 * toplev.c: Don't include dwarfout.h.
1940 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1941 (note_deferral_of_defined_inline_function): Remove.
1942 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1943 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1944 * ch/lex.c: Don't include dwarfout.h.
1945 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1946 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1947 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1948 * cp/optimize.c: Include debug.h.
1949 (maybe_clone_body): Use debug hook.
1950 * cp/semantics.c: Include debug.h.
1951 (expand_body): Use debug hook.
1952 * po/POTFILES.in: Remove dwarfout.h.
1954 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1956 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1957 * c-parse.in (yyerror, _yylex): Similarly.
1958 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1959 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1961 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1962 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1964 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1966 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1967 in-class declaration at -g1. Fixes c++/2814.
1969 2001-07-18 Richard Henderson <rth@redhat.com>
1971 * doc/md.texi (reload_in/out): Document restrictions in predicates
1972 and constraints for these patterns. Document empty string matching
1975 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1977 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1979 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1981 * cse.c: Undo my previous patch.
1983 2001-07-18 Tom Tromey <tromey@redhat.com>
1986 * configure: Rebuilt.
1987 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1989 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1991 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1992 Jan Hubicka <jh@suse.cz>
1994 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1995 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1996 * jump.c (mark_jump_label): Do not forward branches.
1998 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2000 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2001 when return value is unused.
2003 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2005 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2007 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2009 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2010 on error. We can't blindly return the result of
2011 pthread_mutex_trylock because it returns a positive number on
2012 error, while we must return -1 on error.
2013 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2015 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2017 2001-07-18 Andreas Jaeger <aj@suse.de>
2019 * integrate.c (output_inline_function): Correct type of debug_hooks.
2021 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2023 * combine.c (combine_simplify_rtx): DIV can be treated
2024 associatively for floats if unsafe math optimisations are enabled.
2026 2001-07-17 Richard Henderson <rth@redhat.com>
2028 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2030 2001-07-17 Richard Henderson <rth@redhat.com>
2032 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2033 don't force the function address into a register.
2034 (expand_call, emit_library_call_value_1): Update callers.
2035 * builtins.c (expand_builtin_apply): Likewise.
2036 * expr.h (prepare_call_address): Update decl.
2038 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2040 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2042 * config/i386/chorus.h: Move up.
2043 * config/sparc/chorus.h: Likewise.
2044 * config/rs6000/chorus.h: Likewise.
2045 * config/chorus.h: Moved here.
2047 2001-07-17 Andreas Schwab <schwab@suse.de>
2049 * configure.in (assembler eh_frame optimization): Handle big
2051 * configure: Regenerated.
2053 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2055 * expr.c (epxand_expr): Convert divisions into multiplications by
2056 reciprocals if -ffast-math.
2058 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2060 * dbxout.c (dbxout_really_begin_function): Rename to
2061 dbxout_begin_function.
2062 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2063 (dbxout_begin_function): Remove.
2064 (dbxout_function): Update.
2065 (dbxout_source_line): Update prototype.
2066 * dbxout.h (dbxout_begin_function): Remove.
2067 * debug.c (do_nothing_debug_hooks): Update.
2068 (debug_nothing_tree): Update.
2069 (debug_nothing_charstar_rtx): Remove.
2070 * debug.h (union tree_node): Declare.
2071 (struct rtx_def): Remove.
2072 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2073 begin_function. Change source_line prototype.
2074 (debug_nothing_tree): New.
2075 (debug_nothing_charstar_rtx): Delete.
2076 (dwarf2out_begin_prologue): Moved from ...
2078 * dwarf2out.c (dwarf2_debug_hooks): Update.
2079 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2080 debug info, call dwarf2out_source_line.
2081 (dwarf2out_souce_line): Update prototype.
2082 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2083 Change prototype, make static.
2084 (dwarfout_source_line): Update prototype.
2085 (dwarf_debug_hooks): Update.
2086 * dwarfout.h (dwarfout_begin_function): Remove.
2087 * final.c (final_start_function, final_scan_insn): Use appropriate
2088 debug hooks, update to use notice_source_line.
2089 (output_source_line): Rename notice_source_line. Don't call the
2090 source_line debug hook.
2091 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2092 make static, update prototype.
2093 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2095 (sdbout_end_prologue): New.
2096 (sdbout_source_line): Update prototype.
2097 (sdbout_debug_hooks): Update.
2098 (sdbout_symbol): Remove unused var.
2099 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2101 * varasm.c: Include debug.h.
2102 (assemble_start_function): Use begin_function debug_hook.
2103 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2104 update with prototype.
2105 (xcoffout_source_line): Update prototype.
2106 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2108 (xcoffout_source_line): Update prototype.
2110 2001-07-17 Richard Henderson <rth@redhat.com>
2112 * c-typeck.c (build_binary_op): Do not shorten unsigned
2113 right shift after sign extension.
2115 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2117 * combine.c (combine_simplify_rtx): Attempt to simplify
2118 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2120 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2121 (simplify_binary_operation, simplify_unary_operation,
2122 simplify_relational_operation): Use it.
2124 * combine.c (combine_simplify_rtx): Don't do associative law
2125 on divisions; allow associative law on floats.
2127 2001-07-17 H.J. Lu <hjl@gnu.org>
2128 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2130 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2131 ASM_OUTPUT_WEAK_ALIAS are defined.
2132 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2133 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2135 * config/mips/iris5.h: ... here.
2136 (HANDLE_SYSV_PRAGMA): Defined as 1.
2137 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2138 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2141 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2143 * c-parse.in (all_prefix_attributes): New variable.
2144 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2145 (maybe_resetattrs): New production.
2146 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2147 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2148 notype_initdcl, nested_function, notype_nested_function,
2149 component_decl, components, components_notype,
2150 component_declarator, component_notype_declarator,
2151 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2152 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2153 after a comma being applied to more than one declarator.
2154 * doc/extend.texi (Attribute Syntax): Update. Remove
2155 documentation of bugs that are no longer present.
2157 2001-07-13 Eric Christopher <echristo@redhat.com>
2159 * config/mips/mips.h: Change TUNE_MIPS* options to use
2161 (EXTRA_SPECS): Add cc1_cpu_spec.
2162 * config/mips/mips.md (muldf3): Fix typo.
2164 2001-07-16 Richard Henderson <rth@redhat.com>
2166 * config/m68k/m68k.c: Include expr.h and reload.h.
2167 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2168 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2170 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2171 Richard Henderson <rth@redhat.com>
2173 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2174 (insn_live_p): Fix fall off end of function.
2175 (dead_libcall_p): Remove COUNTS argument; update callers.
2176 (delete_trivially_dead_insns): Remove unused variables.
2178 2001-07-17 Andreas Jaeger <aj@suse.de>
2180 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2183 * lcm.c (optimize_mode_switching): Avoid warning for unused
2184 variable if !NORMAL_MODE.
2186 * flow.c (try_crossjump_to_edge): Remove unused variable.
2188 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2190 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2191 atexit declaration in stdlib.h.
2193 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2195 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2197 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2199 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2200 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2201 do rebuild_jump_labels instead of jump_optimize
2202 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2203 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2204 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2206 * flow.c: Include timevar.h
2207 (find_basic_block): Push/pop timevar;
2208 (cleanup_cfg): Likewise.
2209 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2210 * Makefile: Add dependencies on timevar.h
2212 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2213 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2215 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2216 * toplev.c (rest_of_compilation): Update calls.
2217 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2218 (delete_trivially_dead_insns): ... here; accept new argument
2219 preserve_basic_blocks; preserve basic blocks if set.
2221 * reg-stack.c (stack_regs_mentioned): Return 0 if
2222 stack_regs_mentioned_data is not initialized.
2223 (reg_to_stack): Make stack_regs_mentioned survive after the
2224 reg-stack is completted; do not call cleanup_cfg.
2225 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2226 make cleanup_cfg after bb-reorder to output to debug file.
2228 2001-07-16 Richard Henderson <rth@redhat.com>
2230 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2231 from int_reg_class_contents.
2233 2001-07-16 Richard Henderson <rth@redhat.com>
2235 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2236 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2237 (init_reg_sets_1): Move initialization from cse_main.
2238 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2239 (cse_main): Move its initialization also.
2240 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2241 * flow.c (propagate_one_insn): Likewise.
2242 * gcse.c (compute_hash_table): Likewise.
2243 (compute_kill_rd, compute_store_table): Likewise.
2244 * sched-deps.c (sched_analyze_1): Likewise.
2246 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2248 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2251 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2253 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2254 in if statement so we don't access undefined memory.
2256 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2258 * gcse.c: Update comment at top.
2259 Update comment on mem handling.
2260 mem_last_set, mem_first_set, mem_set_in_block: gone.
2261 Declaration of reg_set_info: gone.
2262 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2263 pointless with load_killed_in_block_p (they are *more*
2264 conservative then it, not less, and less accurate).
2265 (oprs_not_set_p): Ditto.
2266 (alloc_gcse_mem): Don't allocate mem_set_in_block
2267 (free_gcse_mem): Don't free it, either.
2268 (record_last_mem_set_info): Update comment in front, remove
2269 mem_*set_* stuff. Note the reason we don't handle stores directly
2271 (compute_hash_table): Update comments to reflect reality. Remove
2272 mem_*set_* references.
2273 (reset_opr_set_tables): Remove mem_*set_* references.
2275 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2276 (mark_clobber): Ditto (on both parts, we double set here too).
2277 (expr_killed_p): Remove mem_set_in_block test.
2278 (compute_transp): Remove mem_set_in_block test.
2280 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2281 of edge, and removal of phi alternative to dump file.
2282 (ssa_ccp_substitute_constants): Add note about register now being
2283 constant, and which uses were replaced in what insns to dump file.
2285 2001-07-16 Andreas Jaeger <aj@suse.de>
2287 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2288 variables of type HOST_WIDEST_INT.
2290 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2291 (__bb_exit_func): Correct type of count_max to avoid overflow.
2292 (num_digits): Handle long long argument.
2294 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2296 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2298 * output.h (sdb_begin_function_line): Restore as an extern
2300 * sdbout.c (sdb_begin_function_line): Make extern.
2302 2001-07-15 Richard Henderson <rth@redhat.com>
2304 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2305 * genrecog.c (maybe_both_true_mode): New.
2306 (maybe_both_true_2): Use it.
2307 (write_switch): Don't put Pmode in a switch.
2308 * rtl.c (mode arrays): Don't explicitly size them.
2310 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2312 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2313 handling; move unconditional splitting before mode switching.
2315 * i386.md (type): Add fistp type.
2316 (i387, length_attr, scheduling definitions): Handle this type.
2317 (fix_trunc?f?i2): Revamp to use mode switching.
2318 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2319 * i386.h (fp_cw_mode): New enum
2320 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2321 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2323 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2325 * Makefile.in (integrate.o): Add debug.h.
2326 * integrate.c (debug.h): Add.
2327 (output_inline_function): Save, reset, and restore debug_hooks.
2329 2001-07-15 Richard Henderson <rth@redhat.com>
2331 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2332 instead of COMPARE for the EQUIV expression.
2334 2001-07-15 Richard Henderson <rth@redhat.com>
2336 * flow.c (redirect_edge_and_branch_force): Initialize
2337 global_live_at_start and global_live_at_end.
2338 (allocate_bb_life_data): Export.
2339 * basic-block.h (allocate_bb_life_data): Declare.
2340 * toplev.c (rest_of_compilation): Call it.
2342 2001-07-15 Richard Henderson <rth@redhat.com>
2344 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2345 (alpha_tablejump_best_label): New.
2346 * config/alpha/alpha-protos.h: Declare them.
2347 * config/alpha/alpha.md: Use braced strings for code blocks.
2348 (tablejump_osf): Break out add with r29.
2349 (tablejump_osf_internal): Remove.
2350 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2351 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2353 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2355 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2358 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2360 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2361 (ix86_fp_jump_nontrivial_p): New.
2362 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2363 use ix86_fp_jump_nontrivial_p.
2364 * i386.c (ix86_fp_jump_nontrivial_p): New.
2365 (ix86_split_fp_branch): Accept code instead of rtx.
2366 (ix86_expand_compare): Expand comparison early in case
2367 doing so is resonably cheap.
2369 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2371 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2373 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2374 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2376 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * dbxout.c (dbxout_source_line): Make static, update prototype.
2379 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2380 (dbxout_init, dbxout_finish, dbxout_source_line,
2381 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2382 * dbxout.h (dbxout_source_line): Delete.
2383 * debug.c (debug_nothing_file, debug_nothing_file_int,
2384 debug_nothing_file_charstar_rtx): New.
2385 (do_nothing_debug_hooks): Update.
2386 (debug_nothing_void, debug_nothing_charstar_rtx,
2387 dwarf2out_end_epilogue): New.
2388 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2389 * debug.h (struct rtx_def): Declare.
2390 (gcc_debug_hooks): New hooks source_line, end_epilogue
2392 (debug_nothing_void, debug_nothing_charstar_rtx,
2393 dwarf2out_end_epilogue): New.
2394 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2395 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2396 (dwarf2_debug_hooks): Update.
2397 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2398 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2399 * dwarf2out.h (dwarf2out_source_line): Remove.
2400 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2401 Make static, update prototype.
2402 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2403 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2404 (dwarf_debug_hooks): Update.
2405 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2406 dwarfout_end_function): Remove.
2407 * final.c (profile_function): Use debug hooks for ending functions
2409 (output_source_line, final_end_function): Update prototype,
2411 (final_start_function, final_scan_insn): Update.
2412 * output.h (sdb_begin_function_line): Remove.
2413 (final_end_function): Update prototype.
2414 * sdbout.c (sdb_begin_function_line): Make static.
2415 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2416 (sdbout_source_line): New.
2417 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2419 (sdb_debug_hooks): Update.
2420 (sdbout_init, sdbout_source_line,
2421 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2422 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2423 * toplev.c (compile_file, rest_of_compilation): Update.
2424 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2425 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2426 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2427 Update for prototype changes.
2428 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2429 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2431 2001-07-15 Richard Henderson <rth@redhat.com>
2433 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2434 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2435 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2436 * config/alpha/alpha.c: Likewise.
2437 * config/alpha/alpha.md: Likewise.
2438 * config/alpha/alpha32.h: Likewise.
2439 * config/alpha/vms.h: Likewise.
2442 2001-07-14 Richard Henderson <rth@redhat.com>
2444 * config/alpha/alpha.md: Use define_constants for unspec values.
2445 Substitute throughout.
2447 2001-07-14 Tim Josling <tej@melbpc.org.au>
2449 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2451 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2453 * pa.md: Remove unused constraints from define_split's.
2455 2001-04-14 Richard Henderson <rth@redhat.com>
2457 * ifcvt.c (find_cond_trap): Test for exit block.
2459 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2461 Re-install recently reverted patch.
2462 * emit-rtl.c (try_split): Update mark_jump_label call.
2463 * flow.c (find_sub_basic_blocks): Likewise.
2464 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2466 (mark_all_labels): Kill second parameter.
2467 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2468 (rebuild_jump_labels, jump_optimize_minimal): Update call
2470 (jump_optimize_1): Kill crossjumping code.
2471 (mark_jump_label): Kill cross_jump parameter.
2472 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2473 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2474 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2476 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2478 (dump_file_info): Likewise.
2479 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2480 reorganize passes to do reg-stack first, bb-reorder second.
2481 * invoke.texi (-d letters doc): Remove the jump2 pass.
2483 2001-07-14 Richard Henderson <rth@redhat.com>
2485 * ifcvt.c (find_cond_trap): New.
2486 (find_if_header): Call it.
2487 (merge_if_block): Relax existing jump sanity check.
2488 * jump.c (jump_optimize_1): Remove conditional trap handling.
2490 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2492 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2494 (insn_refs_are_delayed): Correct comment.
2495 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2496 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2497 instead of r31. Make associated insn !TARGET_64BIT, and
2498 provide an additional 64-bit insn that clobbers r2.
2500 (udivsi3): Likewise.
2502 (umodsi3): Likewise.
2504 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2506 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2508 * flow.c (redirect_edge_and_branch_force, split_edge,
2509 try_crossjump_to_edge): Use set_block_for_new_insns.
2510 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2512 2001-07-13 H.J. Lu (hjl@gnu.org)
2514 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2517 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2519 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2521 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2523 * c-common.c (decl_attributes): Take a pointer to the node to
2524 which attributes are to be attached, and a flags argument.
2525 * c-common.h (enum attribute_flags): New.
2526 (decl_attributes): Update prototype.
2527 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2528 finish_enum, start_function): Update calls to decl_attributes.
2529 * c-parse.in (component_declarator, component_notype_declarator,
2530 label): Update calls to decl_attributes.
2532 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2534 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2535 * config/avr/avr.c (legitimate_address_p): Return value changed
2536 from letter to register classes. For better debugging.
2538 2001-07-13 Kazu Hirata <kazu@hxi.com>
2540 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2542 2001-07-13 H.J. Lu (hjl@gnu.org)
2544 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2546 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2548 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2549 correctly for shared configurations.
2550 * config/t-libgcc-pic: New.
2551 * config/{i386,m68k,sparc}/t-openbsd: New.
2552 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2553 Support -shared. Support debugging libraries with -g.
2554 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2555 frame information does not emit pointer diffs.
2556 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2559 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2561 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2563 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2565 * combine.c (try_combine): Ensure const_int pow2 is positive.
2567 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2569 * config.gcc: Add configuration for s/390.
2570 * config/s390/s390.c: New. Subroutines for code generation.
2571 * config/s390/s390.h: New. Definitions for s/390.
2572 * config/s390/s390-protos.h: New. Prototypes.
2573 * config/s390/linux.h: New. Definitions for linux for s/390.
2574 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2575 * config/s390/t-linux: New. Makefile fragment.
2576 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2577 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2579 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2581 * emit-rtl.c (try_split): Update mark_jump_label call.
2582 * flow.c (find_sub_basic_blocks): Likewise.
2583 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2585 (mark_all_labels): Kill second parameter.
2586 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2587 (rebuild_jump_labels, jump_optimize_minimal): Update call
2589 (jump_optimize_1): Kill crossjumping code.
2590 (mark_jump_label): Kill cross_jump parameter.
2591 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2592 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2593 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2595 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2597 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2598 reorganize passes to do reg-stack first, bb-reorder second.
2599 * invoke.texi (-d letters doc): Remove the jump2 pass.
2601 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2603 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2605 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2607 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2609 (verify_flow_info): Make diagnostics prettier.
2611 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2615 * flow.c (outgoing_edges_match): Return early if condition reversal
2618 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2620 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2621 (mips_move_2words): When splitting a move into two instructions,
2622 prefix the second address operand with '%D'.
2624 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2626 * Makefile.in (final.o): Depend on debug.h.
2627 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2628 (dbx_debug_hooks): Add new hooks.
2629 (xcoff_debug_hooks): New.
2630 * debug.c (debug_nothing_file_int_int): New.
2631 (do_nothing_debug_hooks): Update.
2632 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2633 (debug_nothing_file_int_int): New.
2634 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2635 static, update prototype.
2636 (dwarf2_debug_hooks): Update.
2637 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2638 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2639 static, update prototype.
2640 (dwarf_debug_hooks): Update.
2641 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2642 * final.c: Include debug.h.
2643 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2644 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2645 static, update prototype.
2646 (sdb_debug_hooks): Update.
2647 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2648 * toplev.c: Distinguish between xcoff and dbx.
2650 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2651 Call all debug hooks, not just dwarf ones.
2653 2001-07-11 Timothy Wall <twall@redhat.com>
2655 * config.gcc: Add configuration for AIX5/IA64.
2656 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2657 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2658 support prefix/suffix code.
2659 * config/ia64/t-aix: New. Makefile fragment.
2660 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2662 2001-07-11 Kazu Hirata <kazu@hxi.com>
2664 * recog.c (validate_change): Fix a comment typo.
2666 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2668 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2669 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2671 * dbxout.c (dbx_debug_hooks): Add new hooks.
2672 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2674 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2676 * dbxout.h (dbxout_start_new_source_file,
2677 dbxout_resume_previous_source_file): Delete.
2678 * debug.c (do_nothing_debug_hooks): Add new hooks.
2679 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2680 (debug_nothing_int_charstar, debug_nothing_int): New.
2681 * debug.h (gcc_debug_hooks): New hooks define, undef,
2682 start_source_file and end_source_file.
2683 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2684 (debug_nothing_int_charstar, debug_nothing_int): New.
2685 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2686 the conditionally compiled section.
2687 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2688 dwarf2out_define, dwarf2out_undef): Make static.
2689 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2690 dwarf2out_define, dwarf2out_undef): Remove.
2691 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2692 (dwarfout_start_source_file, dwarfout_end_source_file,
2693 dwarfout_define, dwarfout_undef): Make static.
2694 (dwarfout_start_source_file_check,
2695 dwarfout_end_source_file_check): New.
2696 (dwarfout_define, dwarfout_finish): Update.
2697 * dwarfout.h (dwarfout_start_new_source_file,
2698 dwarfout_resume_previous_source_file, dwarfout_define,
2699 dwarfout_undef): Remove.
2700 * sdbout.c (sdb_debug_hooks): Add new hooks.
2701 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2703 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2704 make static, take an arg.
2705 * sdbout.h (sdbout_start_new_source_file,
2706 sdbout_resume_previous_source_file): Delete.
2707 * toplev.c (debug_start_source_file, debug_end_source_file,
2708 debug_define, debug_undef): Delete.
2709 * toplev.h (debug_start_source_file, debug_end_source_file,
2710 debug_define, debug_undef): Delete.
2712 * java/jcf-parse.c: Include debug.h.
2713 (parse_class_file): Update to use debug hooks directly.
2714 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2716 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2718 * alias.c (set_mem_alias_set): New function.
2719 * rtl.h (set_mem_alias_set): Declare it.
2720 * builtins.c (expand_builtin_return_addr): Call it instead of
2721 using MEM_ALIAS_SET accessor.
2722 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2723 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2724 (expand_builtin_va_copy):Likewise.
2725 * caller-save.c (setup_save_areas): Likewise.
2726 * calls.c (compute_argument_addresses): Likewise.
2727 * explow.c (set_mem_attributes): Likewise.
2728 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2729 (expand_assignment, store_constructor_field, store_field): Likewise.
2730 (expand_expr_unaligned): Likewise.
2731 * function.c (assign_stack_temp_for_type): Likewise.
2732 (put_reg_into_stack, gen_mem_addressof): Likewise.
2733 * ifcvt.c (noce_try_cmove_arith): Likewise.
2734 * reload1.c (reload, alter_reg): Likewise.
2735 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2736 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2737 (alpha_expand_unaligned_store): Likewise
2738 (alpha_expand_unaligned_load_words): Likewise.
2739 (alpha_expand_unaligned_store_words): Likewise.
2740 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2741 (alpha_expand_epilogue): Likewise.
2742 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2743 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2744 * config/i386/i386.c (legitimize_pic_address): Likewise.
2745 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2746 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2747 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2748 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2749 * config/mips/mips.c (mips_va_arg): Likewise.
2750 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2751 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2752 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2753 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2754 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2755 (rs6000_emit_epilogue): Likewise.
2756 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2757 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2758 * config/v850/v850.c (v850_va_arg): Likewise.
2760 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2762 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2763 when fallthru edge is present.
2764 (mege_blocks): Handle case where creation of jump insn
2767 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2768 CLEANUP_POST_REGSTACK): New constants.
2769 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2770 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2771 * output.h (cleanup_cfg): Update prototype.
2772 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2773 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2774 cleanup_cfg call; kill missleading comment.
2775 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2776 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2777 parameter; control optimizations performed using it.
2778 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2779 try_crossjump_bb): New functions.
2781 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2783 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2785 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2786 pa_output_function_prologue.
2787 * pa-protos.h (pa_output_function_prologue): New prototype.
2789 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2791 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2792 and low to get correct sign extension in low+high test.
2794 2001-07-11 Janis Johnson <janis@us.ibm.com>
2796 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2797 for large hit count.
2799 * profile.c (branch_prob): Fix .bbg info for computed gotos
2802 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2804 * stmt.c (parse_output_constraint): New function, split out
2806 (expand_asm_operands): ... here. Use parse_output_constraint.
2807 * tree.h (parse_output_constraint): Declare it.
2809 2001-07-11 Richard Henderson <rth@redhat.com>
2811 * bitmap.c: Comment some functions; fiddle whitespace.
2812 (bitmap_free): Don't export.
2813 (bitmap_element_allocate): Use memset.
2814 * bitmap.h (bitmap_free): Don't declare.
2816 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2818 * gcse.c, lcm.c, sched-deps.c:
2819 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2821 * flow.c (flow_loops_find): Free dom if we found no loops, since
2822 we aren't going to save it.
2824 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2827 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2829 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2831 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2833 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2834 #ifndef DWARF2_DEBUGGING_INFO.
2836 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2838 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2840 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2842 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2843 reverse a branch if a NE comparison is implemented with GTU.
2845 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2846 H.J. Lu <hjl@gnu.org>
2848 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2850 (call_internal2): Likewise.
2851 (call_value_internal1): Likewise.
2852 (call_value_internal2): Likewise.
2853 (call_value_multiple_internal1): Likewise.
2854 (call_value_multiple_internal2): Likewise.
2856 2001-07-10 Kazu Hirata <kazu@hxi.com>
2858 * calls.c (emit_library_call_value_1): Fix a comment typo.
2859 * dwarf2out.c (mem_loc_descriptor): Likewise.
2860 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2862 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2864 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2866 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2868 * recog.c (offsettable_address_p): Handle LO_SUM case.
2869 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2870 instead of plus_constant.
2872 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2874 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2875 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2877 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2879 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2880 adjust_address_nv instead of plus_constant.
2882 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2884 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2885 dwarf2out.o): Depend on debug.h, wrap long lines.
2886 * dbxout.c: Include debug.h.
2887 (dbx_debug_hooks): New.
2888 (dbxout_init): Make static, take just 2 args.
2889 (dbxout_finish): Make static.
2890 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2891 * debug.c: New file.
2892 * debug.h: New file.
2893 * dwarf2out.c: Include debug.h.
2894 (dwarf2_debug_hooks): New.
2895 (dwarf2out_init): Make static.
2896 (dwarf2out_finish): Make static, take 2 args.
2897 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2898 * dwarfout.c: Include debug.h.
2899 (dwarf_debug_hooks): New.
2900 (dwarfout_init): Make static.
2901 (dwarfout_finish): Make static, take 2 args.
2902 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2903 * sdbout.c: Include debug.h.
2904 (sdb_debug_hooks): New.
2905 (sdbout_init): Make static, take 2 args.
2906 * sdbout.h (sdbout_init): Delete.
2907 * toplev.c: Include debug.h.
2909 (compile_file): Set deubg_hooks based on command line options.
2910 Use the hooks unconditionally rather than conditional compilation.
2912 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2914 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2915 first_insn_after_basic_block_note instead.
2917 * df.c (df_bb_refs_unlink): #if 0 out for now.
2919 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2921 * ssa.h: Add prototype for ssa_const_prop
2922 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2923 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2924 (ssa_fast_dce): Remove unused variable
2926 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2928 * diagnostic.c (finish_diagnostic): Rename to
2929 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2932 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2934 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2937 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2938 (dump_file): Only pad the demangled name with spaces if the
2939 mangled name was padded with spaces.
2941 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2943 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2946 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2948 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2949 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2952 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2953 whether can put offset inside LO_SUM to check mode alignment, not size.
2955 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2957 * doc/tm.texi (Misc): Fix thinko.
2959 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2961 * regmove.c (replace_in_call_usage): Fix warnings.
2962 * sched-deps.c (add_dependence): Fix warnings.
2963 * simplify-rtx.c (simplify_subreg): Likewise.
2964 Return NULL_RTX instead of NULL.
2966 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2967 (subst_asm_stack_regs): Likewise.
2969 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2972 * dwarf2out.c (output_call_frame_info): Declare i as int.
2973 (build_abbrev_table): Declare n_alloc as int.
2974 (dwarf2out_finish): Initialize die.
2975 * except.c: Declare sjlj_funcdef_number as unsigned.
2976 (connect_post_landing_pads): Declare j as unsigned.
2977 (convert_to_eh_region_ranges): Initialize call_site.
2978 (output_function_exception_table): Initialize tt_format_size.
2979 * expr.c (move_by_pieces_1): Initialize to1.
2980 (store_constructor): Initialize minelt and maxelt.
2981 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2982 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2984 * c-decl.c (combine_parm_decls): Unused, remove.
2985 * c-tree.h: Remove prototype for combine_parm_decls.
2987 * reload.c (push_reload): Fix warning.
2988 (regno_clobbered_p): Likewise.
2989 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2990 (reload_combine): Likewise.
2992 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2993 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2995 * bitmap.c (bitmap_operation): Change user.
2996 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2998 2001-07-10 Eric Christopher <echristo@redhat.com>
3000 * config/mips/mips.c (override_options): Fix typo.
3002 2001-07-09 Stan Shebs <shebs@apple.com>
3004 * target.h (struct gcc_target): New fields init_builtins and
3006 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3007 (TARGET_EXPAND_BUILTIN): New macro.
3008 (TARGET_INITIALIZER): Add them.
3009 * builtins.c: Include target.h.
3010 (expand_builtin): Use targetm.expand_builtin.
3011 (default_init_builtins): New function.
3012 (default_expand_builtin): New function.
3013 * expr.h (default_init_builtins): Declare.
3014 (default_expand_builtin): Declare.
3015 * c-common.c (c_common_nodes_and_builtins): Use
3016 targetm.init_builtins.
3017 * defaults.h (MD_INIT_BUILTINS): Remove.
3018 * Makefile.in (builtins.o): Depend on target.h.
3020 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3021 (TARGET_EXPAND_BUILTIN): Define.
3022 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3023 (MD_EXPAND_BUILTIN): Remove.
3025 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3026 (TARGET_EXPAND_BUILTIN): Define.
3027 (c4x_init_builtins): Make endlink arg a local.
3028 (c4x_print_operand): Fix typos in adjust_address usages.
3029 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3030 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3031 (MD_EXPAND_BUILTIN): Remove.
3033 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3034 (TARGET_EXPAND_BUILTIN): Define.
3035 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3036 (ix86_init_builtins): Call new function only if TARGET_MMX.
3037 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3038 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3039 (MD_EXPAND_BUILTIN): Remove.
3041 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3042 (TARGET_EXPAND_BUILTIN): Define.
3043 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3044 (MD_EXPAND_BUILTIN): Remove.
3046 * doc/tm.texi: Document these changes.
3048 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3050 * basic-block.h (tree_node): Forward declare if needed.
3051 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3052 (BLOCK_HEAD_TREE): Define.
3053 (BLOCK_END_TREE): Define.
3054 (struct loops): Rename field 'tree' to 'tree_root'.
3055 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3057 (flow_loops_tree_build): Rename reference to field 'tree' to
3059 (flow_loops_level_compute): Ditto.
3060 * predict.c (estimate_bb_frequencies): Ditto.
3061 * tree.h (struct tree_common): Add field 'aux'.
3063 2001-07-09 Stan Shebs <shebs@apple.com>
3065 * config/darwin.c (darwin_encode_section_info): Don't mark any
3066 DECL_EXTERNAL node as defined.
3068 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3070 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3071 pa_free_machine_status, hppa_init_pic_save): Delete.
3072 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3073 (hppa_profile_hook): Use hppa_pic_save_rtx.
3074 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3075 hppa_init_pic_save): Delete.
3076 (hppa_pic_save_rtx): Declare.
3077 * pa.md (call, call_value, sibcall, sibcall_value,
3078 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3080 2001-07-09 Kazu Hirata <kazu@hxi.com>
3082 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3083 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3085 2001-07-09 Andreas Jaeger <aj@suse.de>
3087 * output.h: Add declaration of final_forward_branch_p.
3089 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3091 * varray.c: Include errors.h for internal_error and trim_filename
3094 * Makefile.in (varray.o): Add errors.h.
3096 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3098 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3099 * optabs.c (have_add2_insn): Check whether the add insn chosen
3100 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3101 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3103 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3105 * Makefile.in (OBJS): Add ssa-ccp.o
3106 (ssa-ccp.o): Add dependencies.
3107 * toplev.c (DFI_ssa_ccp): New dump file enum.
3108 (dump_file): Add entry for dumping after SSA CCP.
3109 (flag_ssa_ccp): New flag variable.
3110 (f_options): Add -fssa-ccp.
3111 (rest_of_compilation): Run SSA CCP if requested.
3112 * timevar.def (TV_SSA_CCP): New timevar.
3113 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3114 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3115 Fix minor typo in SSA DCE documentation.
3116 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3117 Add documentation for new dump option. Renumber dump files
3120 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3122 * emit-rtl.c (gen_highpart_mode): New.
3123 * rtl.h (gen_highpart_mode): Declare.
3124 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3125 operand can be VOIDmode constant.
3127 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3129 * flow.c (redirect_edge_and_branch_force): New.
3130 (can_fallthru): Ensure that basic blocks are succeeding.
3131 (try_optimize_cfg): Do not delete basic block if it is the last one.
3133 * flow.c (try_redirect_by_replacing_jump): Do not remove
3134 jumps with side effects, unlink chain on fallthru edge;
3135 set block for new jump instruction; avoid basic block to
3136 over by line number note.
3138 * flow.c (try_simplify_condjump): Verify that the condjump
3139 is not always falling trought.
3142 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3144 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3145 (try_redirect_by_replacing_jump): Update properly the count
3146 and frequency information.
3148 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3150 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3151 address that is a LO_SUM specially.
3152 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3154 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3156 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3157 (operand_subword): Use them.
3158 (change_address_1): Renamed from change_address; new arg VALIDATE.
3159 * expr.h: Reflect above changes; change_address now macro.
3160 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3162 * cselib.c (add_mem_for_addr): Likewise.
3163 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3164 * regmove.c (try_apply_stack_adjustment): Likewise.
3165 * reload.c (push_reload, make_memloc): Likewise.
3166 * reload1.c (eliminate_regs): Likewise.
3167 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3168 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3170 * combine.c (make_extraction, simplify_shift_const): Likewise.
3171 (gen_lowpart_for_combine): Likewise.
3172 * cse.c (gen_lowpart_if_possible): Likewise.
3173 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3174 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3175 * optabs.c (gen_move_insn): Likewise.
3176 * reload1.c (alter_reg): Likewise.
3177 * simplify-rtx.c (simplify_subreg): Likewise.
3178 * stmt.c (expand_anon_union_decl): Likewise.
3179 * recog.c (validate_replace_rtx_1): Likewise.
3181 * Makefile.in (recog.o): Add $(EXPR_H).
3182 * explow.c (stabilize): Call replace_equiv_address.
3183 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3184 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3186 2001-07-03 Andrew Haley <aph@redhat.com>
3188 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3189 the mode of the memory location.
3191 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3193 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3195 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3197 * final.c (output_addr_const): Use target opening and
3198 closing parentheses.
3199 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3200 defaults, add to TARGET_ASM_OUT.
3201 * target.h (struct gcc_target): Add open_paren and close_paren.
3202 * doc/md.texi: Update.
3203 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3204 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3205 TARGET_ASM_CLOSE_PAREN.
3206 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3208 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3210 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3211 * config/a29k/a29k.h: Similarly.
3212 * config/alpha/alpha.h: Similarly.
3213 * config/arc/arc.h: Similarly.
3214 * config/arm/aof.h: Similarly.
3215 * config/arm/aout.h: Similarly.
3216 * config/avr/avr.h: Similarly.
3217 * config/c4x/c4x.h: Similarly.
3218 * config/clipper/clipper.h: Similarly.
3219 * config/convex/convex.h: Similarly.
3220 * config/d30v/d30v.h: Similarly.
3221 * config/dsp16xx/dsp16xx.h: Similarly.
3222 * config/elxsi/elxsi.h: Similarly.
3223 * config/fr30/fr30.h: Similarly.
3224 * config/h8300/h8300.h: Similarly.
3225 * config/i370/i370.h: Similarly.
3226 * config/i386/i386.h: Similarly.
3227 * config/i860/i860.h: Similarly.
3228 * config/i960/i960.h: Similarly.
3229 * config/ia64/ia64.h: Similarly.
3230 * config/m32r/m32r.h: Similarly.
3231 * config/m68hc11/m68hc11.h: Similarly.
3232 * config/m68k/m68k.h: Similarly.
3233 * config/m88k/m88k.h: Similarly.
3234 * config/mcore/mcore.h: Similarly.
3235 * config/mips/mips.h: Similarly.
3236 * config/mn10200/mn10200.h: Similarly.
3237 * config/mn10300/mn10300.h: Similarly.
3238 * config/ns32k/ns32k.h: Similarly.
3239 * config/pa/pa.h: Similarly.
3240 * config/pdp11/pdp11.h: Similarly.
3241 * config/pj/pj.h: Similarly.
3242 * config/romp/romp.h: Similarly.
3243 * config/rs6000/rs6000.h: Similarly.
3244 * config/sh/sh.h: Similarly.
3245 * config/sparc/sparc.h: Similarly.
3246 * config/v850/v850.h: Similarly.
3247 * config/vax/vax.h: Similarly.
3248 * config/we32k/we32k.h: Similarly.
3250 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3252 * doc/c-tree.texi: Document representation of attributes.
3254 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3256 * doc/tm.texi: Update some places for the rename of target to
3259 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3261 * target.h (struct gcc_target): Add insert_attributes.
3262 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3263 (TARGET_INITIALIZER): Update.
3264 * tree.c, tree.h (default_insert_attributes): New function.
3265 Update comments on other default functions to refer to targetm,
3267 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3268 TARGET_INSERT_ATTRIBUTES.
3269 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3270 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3271 Don't use PRAGMA_INSERT_ATTRIBUTES.
3272 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3273 * c-decl.c (start_decl, start_function): Don't call
3274 SET_DEFAULT_DECL_ATTRIBUTES.
3275 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3276 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3278 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3279 (c4x_check_attribute): Avoid modifying attribute list itself.
3280 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3282 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3283 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3285 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3286 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3288 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3289 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3291 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3292 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3293 Adjust parameters. Make static.
3295 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3297 * c-common.c (decl_attributes): Only take a single attributes
3299 * c-common.h (decl_attributes): Update prototype.
3300 * c-decl.c (start_decl, start_function): Only take a single
3301 attributes parameter. Update calls to decl_attributes.
3302 (finish_struct, finish_enum): Update calls to decl_attributes.
3303 (push_parm_decl): Expect unified list of attributes. Update call
3305 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3306 notype_nested_function, component_declarator,
3307 component_notype_declarator, label): Update calls to
3309 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3310 lists that are passed to push_parm_decl.
3311 * c-tree.h (start_function, start_decl): Update prototypes.
3312 * config/sh/sh-protos.h, config/sh/sh.c
3313 (sh_pragma_insert_attributes): Only take a single attributes
3315 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3316 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3317 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3318 build_module_descriptor, generate_static_references,
3319 generate_strings, build_selector_translation_table,
3320 generate_descriptor_table, generate_protocols,
3321 generate_ivars_list, generate_dispatch_table,
3322 generate_protocol_list, generate_category,
3323 generate_shared_structures, really_start_method, add_objc_decls,
3324 generate_classref_translation_entry): Update calls to start_decl
3326 (build_tmp_function_decl, start_method_def): Unify attribute lists
3327 that are passed to push_parm_decl.
3329 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3331 * final.c (no_asm_to_stream): New.
3332 (final_scan_insn): Use target structures for prologue ends
3333 and epilogue starts.
3334 * output.h (no_asm_to_stream): New.
3335 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3336 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3337 (TARGET_ASM_OUT): Update.
3338 * target.h (struct gcc_target): New members function_end_prologue
3339 and function_begin_epilogue.
3340 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3341 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3342 * config/alpha/alpha.c (output_end_prologue): Rename to
3343 alpha_output_function_end_prologue. Use in target struct
3345 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3346 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3347 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3348 ia64_output_function_end_prologue. Use in target struct
3350 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3351 mistyped prototypes.
3352 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3353 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3355 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3356 an use in target struct, make static.
3357 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3360 2001-07-08 Richard Henderson <rth@redhat.com>
3362 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3364 2001-07-08 Richard Henderson <rth@redhat.com>
3366 * config/i386/i386.md: Remove constraints strings from define_split
3367 and define_peephole2 patterns.
3368 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3369 (eh_return): Use them.
3371 2001-07-08 Richard Henderson <rth@redhat.com>
3373 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3374 Document MD_FALLBACK_FRAME_STATE_FOR.
3376 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3378 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3379 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3381 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3383 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3385 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3386 of the label inside NAME as opposed to just the end of NAME.
3388 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3390 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3391 * config/alpha/alpha.c (alpha_init_machine_status,
3392 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3393 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3394 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3395 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3397 2001-07-06 Stan Shebs <shebs@apple.com>
3399 * target.h (targetm): Rename global from "target", so as not to
3400 conflict with local variables.
3402 * c-typeck.c: Ditto.
3406 * cp/decl2.c: Ditto.
3407 * cp/typeck.c: Ditto.
3408 * 1750a/1750a.c: Ditto.
3409 * a29k/a29k.c: Ditto.
3413 * clipper/clipper.c: Ditto.
3414 * convex/convex.c: Ditto.
3415 * d30v/d30v.c: Ditto.
3416 * dsp16xx/dsp16xx.c: Ditto.
3417 * elxsi/elxsi.c: Ditto.
3418 * fr30/fr30.c: Ditto.
3419 * h8300/h8300.c: Ditto.
3420 * i370/i370.c: Ditto.
3421 * i386/i386.c: Ditto.
3422 * i860/i860.c: Ditto.
3423 * i960/i960.c: Ditto.
3424 * ia64/ia64.c: Ditto.
3425 * m32r/m32r.c: Ditto.
3426 * m68hc11/m68hc11.c: Ditto.
3427 * m68k/m68k.c: Ditto.
3428 * m88k/m88k.c: Ditto.
3429 * mips/mips.c: Ditto.
3430 * ns32k/ns32k.c: Ditto.
3432 * pdp11/pdp11.c: Ditto.
3433 * romp/romp.c: Ditto.
3434 * rs6000/rs6000.c: Ditto.
3436 * sparc/sparc.c: Ditto.
3438 * we32k/we32k.c: Ditto.
3439 * doc/tm.texi: Update the manual to match.
3441 2001-07-06 Richard Henderson <rth@redhat.com>
3443 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3444 DWARF2_UNWIND_INFO not just whether it is defined.
3446 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3448 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3449 call to simplify_binary_operation returns a new pattern.
3451 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3453 * glimits.h (__SHRT_MAX__): New.
3454 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3455 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3457 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3459 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3462 2001-07-06 Richard Henderson <rth@redhat.com>
3464 * bitmap.c (bitmap_release_memory): Move adjacent to the
3465 allocation functions.
3466 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3467 the implementation. Binary search for the set bit.
3468 (bitmap_union_of_diff): Allocate the temporary on the stack
3469 instead of using xmalloc.
3471 2001-07-06 Richard Henderson <rth@redhat.com>
3473 * genrecog.c (validate_pattern): Warn for constraints in
3474 define_{expand,split,peephole2}. Remove strict_low_part
3475 before looking up match_dup.
3477 2001-07-06 DJ Delorie <dj@redhat.com>
3479 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3480 chapter about various build hints and history. Add section
3481 talking about the various types of native and cross builds.
3483 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3485 * Makefile.in (final.o): Depend on target.h.
3486 * final.c: Include target.h.
3487 (default_function_pro_epilogue): New.
3488 (final_start_function): Use target structure for function prologues.
3489 (final_end_function): Use target structure for function epilogues.
3490 * fold-const.c (real_hex_to_f): Constify s and p.
3491 * output.h (default_function_pro_epilogue): New.
3492 * real.h (real_hex_to_f): Update prototype.
3493 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3494 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3495 (TARGET_INITIALIZER): Update.
3496 * target.h (gcc_target): Add struct asm_out.
3497 * doc/tm.texi: Update.
3500 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3501 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3502 in cpu/cpu.c, or rename old functions consistently. Take
3503 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3504 redundant macros and prototypes. Make new functions static.
3506 * 1750a/1750a.c: Similarly.
3507 * 1750a/1750a.h: Similarly.
3508 * a29k/a29k-protos.h: Similarly.
3509 * a29k/a29k.c: Similarly.
3510 * a29k/a29k.h: Similarly.
3511 * arc/arc-protos.h: Similarly.
3512 * arc/arc.c: Similarly.
3513 * arc/arc.h: Similarly.
3514 * arm/arm-protos.h: Similarly.
3515 * arm/arm.c: Similarly.
3516 * arm/arm.h: Similarly.
3517 * avr/avr-protos.h: Similarly.
3518 * avr/avr.c: Similarly.
3519 * avr/avr.h: Similarly.
3520 * clipper/clipper-protos.h: Similarly.
3521 * clipper/clipper.c: Similarly.
3522 * clipper/clipper.h: Similarly.
3523 * convex/convex.c: Similarly.
3524 * convex/convex.h: Similarly.
3525 * d30v/d30v-protos.h: Similarly.
3526 * d30v/d30v.c: Similarly.
3527 * d30v/d30v.h: Similarly.
3528 * d30v/d30v.md: Similarly.
3529 * dsp16xx/dsp16xx-protos.h: Similarly.
3530 * dsp16xx/dsp16xx.c: Similarly.
3531 * dsp16xx/dsp16xx.h: Similarly.
3532 * elxsi/elxsi.c: Similarly.
3533 * elxsi/elxsi.h: Similarly.
3534 * fr30/fr30.c: Similarly.
3535 * fr30/fr30.md: Similarly.
3536 * h8300/h8300-protos.h: Similarly.
3537 * h8300/h8300.c: Similarly.
3538 * h8300/h8300.h: Similarly.
3539 * i370/i370-protos.h: Similarly.
3540 * i370/i370.c: Similarly.
3541 * i370/i370.h: Similarly.
3542 * i386/i386.c: Similarly.
3543 * i386/osf1elf.h: Similarly.
3544 * i386/osfrose.h: Similarly.
3545 * i860/i860-protos.h: Similarly.
3546 * i860/i860.c: Similarly.
3547 * i860/i860.h: Similarly.
3548 * i960/i960-protos.h: Similarly.
3549 * i960/i960.c: Similarly.
3550 * i960/i960.h: Similarly.
3551 * ia64/ia64-protos.h: Similarly.
3552 * ia64/ia64.c: Similarly.
3553 * ia64/ia64.h: Similarly.
3554 * m32r/m32r-protos.h: Similarly.
3555 * m32r/m32r.c: Similarly.
3556 * m32r/m32r.h: Similarly.
3557 * m68hc11/m68hc11-protos.h: Similarly.
3558 * m68hc11/m68hc11.c: Similarly.
3559 * m68hc11/m68hc11.h: Similarly.
3560 * m68k/crds.h: Similarly.
3561 * m68k/dpx2.h: Similarly.
3562 * m68k/m68k-protos.h: Similarly.
3563 * m68k/m68k.c: Similarly.
3564 * m68k/m68k.h: Similarly.
3565 * m68k/news.h: Similarly.
3566 * m88k/m88k-protos.h: Similarly.
3567 * m88k/m88k.c: Similarly.
3568 * m88k/m88k.h: Similarly.
3569 * mips/mips-protos.h: Similarly.
3570 * mips/mips.c: Similarly.
3571 * mips/mips.h: Similarly.
3572 * ns32k/merlin.h: Similarly.
3573 * ns32k/ns32k.c: Similarly.
3574 * ns32k/ns32k.h: Similarly.
3575 * ns32k/tek6000.h: Similarly.
3576 * pa/pa-protos.h: Similarly.
3577 * pa/pa.c: Similarly.
3578 * pa/pa.h: Similarly.
3579 * pdp11/2bsd.h: Similarly.
3580 * pdp11/pdp11-protos.h: Similarly.
3581 * pdp11/pdp11.c: Similarly.
3582 * pdp11/pdp11.h: Similarly.
3583 * romp/romp-protos.h: Similarly.
3584 * romp/romp.c: Similarly.
3585 * romp/romp.h: Similarly.
3586 * rs6000/rs6000-protos.h: Similarly.
3587 * rs6000/rs6000.c: Similarly.
3588 * rs6000/rs6000.h: Similarly.
3589 * rs6000/sysv4.h: Similarly.
3590 * sh/sh-protos.h: Similarly.
3591 * sh/sh.c: Similarly.
3592 * sh/sh.h: Similarly.
3593 * sparc/sparc-protos.h: Similarly.
3594 * sparc/sparc.c: Similarly.
3595 * sparc/sparc.h: Similarly.
3596 * vax/vax.c: Similarly.
3597 * vax/vax.h: Similarly.
3598 * vax/vms.h: Similarly.
3599 * we32k/we32k.c: Similarly.
3600 * we32k/we32k.h: Similarly.
3602 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3604 * basic-block.h (first_insn_after_basic_block_note): Declare.
3605 * flow.c (first_insn_after_basic_block_note): Define. Moved
3607 * ssa.c (first_insn_after_basic_block_note): Remove.
3608 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3610 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3611 nodes when we find a dead conditional branch. Insert BARRIERs
3612 after any blocks with no successors, but which do not have
3615 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3617 * varray.c (varray_check_failed): Use internal_error.
3619 2001-07-05 Andrew Haley <aph@redhat.com>
3621 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3622 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3623 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3625 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3627 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3628 reference if the target constant is also a SYMBOL_REF.
3630 2001-07-05 Eric Christopher <echristo@redhat.com>
3632 * config/mips/mips.h (MASK_MIPS3900): Remove.
3633 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3634 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3635 (TARGET_MIPS3900): Change to use mips_arch.
3636 (TARGET_MIPS4000): New.
3637 (TARGET_MIPS4100): New.
3638 (TARGET_MIPS4300): New.
3639 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3640 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3642 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3643 (ISA_HAS_BRANCHLIKELY): To here.
3644 (CC1_CPU_SPEC): New.
3645 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3646 (mips_arch_string): Declare.
3647 (mips_arch): Declare.
3648 (TARGET_OPTIONS): Add -march and -mtune.
3650 * config/mips/mips.c (mips_arch_string): New.
3652 (override_options): Handle -march for codegen and -mtune
3653 for scheduling. Use mips_arch. Move tx39 target default here.
3654 (mips_parse_cpu): Move error message to override_options.
3656 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3658 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3660 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3661 (MIPS Options): Ditto. Change mcpu entry to historical text.
3663 2001-07-05 H.J. Lu (hjl@gnu.org)
3665 * config/mips/mips.c (mips_parse_cpu): New function to parse
3668 2001-07-05 Jim Wilson <wilson@redhat.com>
3670 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3671 * config/ia64/t-ia64: Likewise.
3672 (LIB1ASMFUNCS): Update comment.
3674 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3676 * doc/install.texi (Install GCC: Binaries): Fix typo.
3678 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3680 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3681 reference using the stack pointer, adjust it since we push Y
3683 ("*ashrsi3"): Likewise.
3684 ("*lshrsi3"): Likewise.
3686 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3688 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3689 when -fomit-frame-pointer is used.
3691 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3693 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3694 (try_redirect_by_replacing_jump): Reverse updating properly the
3695 count and frequency information. Reverse removing cc0 setter.
3696 (forwarder_block_p): Reverse fixing for fallthru blocks.
3698 2001-07-05 DJ Delorie <dj@redhat.com>
3700 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3701 (translate_options): If the above is defined, use it to map
3702 given options to new options.
3703 * doc/tm.texi: Document it.
3705 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3706 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3708 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3709 cause programs using computed gotos to run more slowly.
3711 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3713 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3715 Consistently require binutils 2.11.2, not prereleases.
3716 (Specific, decstation-*): Canonicalize as mips-dec-*.
3717 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3719 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3720 (Specific, mips-*): Reword MIPS C compiler requirements.
3721 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3722 (Specific, sunv5): Removed, obsolete.
3724 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3726 * dwarf2out.c (output_loc_list): Use an all ones mask for
3727 .text asm output and don't rely on long long
3728 literals. Reformat some long lines.
3730 2001-07-05 Andreas Jaeger <aj@suse.de>
3732 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3735 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3737 * dwarf2out.c (dwarf2out_define): Update comment.
3738 (dwarf2out_undef): Ditto.
3739 (dwarf2out_start_source_file): Ditto.
3740 (dwarf2out_end_source_file): Ditto.
3741 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3742 since we never call the start/end debug hook for the primary file.
3744 2001-07-04 Kazu Hirata <kazu@hxi.com>
3746 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3749 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3751 * cppinit.c (remove_dup_dirs): Inform if a system include
3752 directory is being reordered.
3753 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3755 * doc/cpp.texi (Search Paths): Likewise.
3756 * doc/gcc.texi (Interoperation): Remove information about
3759 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3761 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3762 (VARRAY_TOP_CHAR_PTR): Likewise.
3764 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3766 * gcc.c (process_command): Don't assign elements of a const char*.
3768 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3770 * emit-rtl.c (change_address): Don't abort if invalid address while
3771 reload is in progress.
3773 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3775 * c-lex.c (cb_file_change): Pass line number to
3776 debug_start_source_file.
3777 (cb_undefine): Pass correct line number to debug_undef.
3779 * toplev.c (debug_start_source_file): Add line number to
3780 parameters. Pass it along to dwarf2out_start_source_file.
3781 (decode_g_option): Stop resetting debug level back to normal when
3782 we change debug formats, unless the current level is
3783 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3786 * toplev.h (debug_start_source_file): Add line number to
3789 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3792 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3794 Output debug_macinfo data for starting file if requested.
3795 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3797 (dwarf2out_define): Output debug_macinfo data for defining a macro
3799 (dwarf2out_undef): Output debug_macinfo data for undefining a
3801 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3802 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3803 (macinfo_section_label): New. DWARF2 macro info section label.
3804 (dwarf2out_init): If we want macro info, output the start label
3806 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3807 attribute to the compilation unit die pointing to the macro info.
3809 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3811 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3812 DWARF2_DEBUGGING_INFO.
3813 (add_loc_descr_to_loc_list): Ditto.
3814 (output_loc_list): Ditto.
3815 Also, fix thinko in curr not being initialized.
3816 (gen_internal_sym): Ditto.
3818 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3820 * emit-rtl.c (replace_equiv_address): New function.
3821 * expr.h (replace_equiv_address): New declaration.
3822 * explow.c (validize_mem): Call it instead of change_address and
3823 also call if -fforce-addr and address is constant.
3824 * expr.c: Replace more calls to change_address with adjust_address
3825 and/or replace_equiv_address or to validize_mem.
3826 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3827 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3828 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3829 * config/i370/i370.md, config/i860/i860.md: Likewise.
3830 * config/i960/i960.md, config/mips/mips.c: Likewise.
3831 * config/mips/mips.md, config/pa/pa.md: Likewise.
3832 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3833 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3835 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3837 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3839 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3842 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3844 * doc/include: New directory.
3845 * doc/fdl.texi: Move to doc/include/fdl.texi.
3846 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3847 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3848 * doc/gcc.texi: Use funding.texi and gpl.texi.
3849 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3850 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3851 Update dependencies and use -I $(docdir)/include.
3853 2001-07-04 Anthony Green <green@redhat.com>
3855 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3857 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3859 * doc/install.texi (sparc64-*-*): Remove garbage.
3861 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3863 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3864 Fix typo in last change to use adjust_address.
3866 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3868 * doc/install.texi (Specific): Update information for *-*-solaris*.
3870 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3872 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3874 2001-07-03 Stan Shebs <shebs@apple.com>
3876 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3877 case for flag_no_mach_text_sections.
3878 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3879 * config/darwin.c (flag_no_mach_text_sections): Remove.
3880 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3882 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3884 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3885 and avoid checking for constant as first operand.
3886 * recog.c (find_constant_term_loc): No longer static.
3887 (adj_offettable_operand): Delete.
3888 * rtl.h (adj_offsettable_operand): Delete declaration.
3889 (find_constant_term): Add declaration.
3890 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3892 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3893 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3894 * config/i386/i386.c, config/i386/i386.md: Likewise.
3895 * config/i860/i860.c, config/i960/i960.c: Likewise.
3896 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3897 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3898 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3899 * config/mips/mips.c, config/mips/mips.md: Likewise.
3900 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3901 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3902 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3903 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3904 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3905 * config/ns32k/ns32k.md: Likewise.
3907 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3909 * rtl.c (copy_rtx): Handle 'T' format letter.
3910 * gensupport.c (collect_insn_data): Likewise.
3911 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3913 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3915 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3916 -B option. Use 'dir' not 'foo' as example directory name.
3918 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3920 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3921 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3923 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3925 * doc/cppinternals.texi: Improve formatting and logical markup.
3927 2001-07-03 Andreas Jaeger <aj@suse.de>
3929 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3931 * genrecog.c (write_header): Include reload.h for prototypes in
3934 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3937 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3938 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3939 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3940 i386_pe_valid_type_attribute_p): Add.
3941 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3942 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3944 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3946 * explow.c (plus_constant_wide, case LO_SUM): New case.
3947 (plus_constant_for_output_wide): Delete.
3948 * rtl.h (plus_constant_for_output): Delete.
3949 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3950 instead of plus_constant_for_output.
3951 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3952 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3953 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3954 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3955 * config/sparc/sparc.md: Likewise.
3956 Convert some change_address calls to adjust_address.
3958 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3960 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3961 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3962 documentation of -std and -Wwrite-strings.
3964 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3966 * cse.c (canon_hash): Don't register registers in very small
3967 register classes, as extending their lifetime might cause
3970 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3972 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3974 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3975 (try_redirect_by_replacing_jump): Update properly the count
3976 and frequency information.
3978 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3980 * toplev.c (dump_file_index): Move SSA dumps just after first
3982 (dump_file): Corresponding changes.
3983 (rest_of_compilation): Move SSA path to just after the first
3985 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3986 * doc/invoke.texi: Update dump file #s as they were completely
3987 out of date with reality.
3989 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3991 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3993 * expr.c (emit_move_insn_1): Deal with non-default
3996 * expr.c (emit_single_push_insn): Fix warning.
3998 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4000 * expr.c (emit_move_insn_1): Avoid modifying
4001 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4003 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4005 * emit-rtl.c (adjust_address): New function.
4006 * expr.h (adjust_address): Add declaration.
4007 * builtins.c: Replace some calls to change_address with calls to it
4009 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4010 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4011 * config/arm/arm.c, config/convex/convex.c: Likewise.
4012 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4013 * config/i386/i386.c, config/i386/i386.md: Likewise.
4014 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4015 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4016 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4017 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4018 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4020 2001-07-02 Jim Wilson <wilson@redhat.com>
4022 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4024 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4026 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4027 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4029 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4031 * cppinit.c (lang_defaults): New table.
4032 (set_lang): Just read from lang_defaults into the live options
4035 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4037 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4038 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4039 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4041 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4043 * doc/install.texi: Various spelling and markup fixes.
4044 (Installing GCC): Component specific installation instructions are
4047 Warn about removing old install dir in the presence of shared libs.
4048 (Configuration): Invoke with options target to match configure
4050 Consistently refer to gas, gld pathnames.
4051 Invert --enable-multilib documentation.
4052 Remove references to old compiler versions.
4054 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4056 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4058 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4060 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4062 (Specific, mips*-sgi-irix5): Note IDO download.
4063 Reworded MIPS C hints.
4064 Use GNU as instead of GAS.
4066 Removed SGI Freeware reference, IRIX 6 only.
4067 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4068 Note N64 library requirement/workaround.
4070 Complete list of structure passing bug victims.
4072 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4074 * doc/install.texi: Remove CVS Id.
4076 2001-07-02 Andreas Jaeger <aj@suse.de>
4078 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4079 (find_inherently_necessary): Remove unused variable.
4081 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4083 * c-common.h (TDI_inlined): New ast dump phase.
4084 (dump_flag_name): New function.
4085 * c-dump.c (dump_files): Add inlined phase.
4086 (dump_flag_name): Define.
4087 * doc/invoke.texi (-fdump-ast-inlined): Document.
4089 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4091 * stor-layout.c (layout_decl): Revert change to handling of alignment
4094 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4096 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4099 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4101 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4104 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4106 * tlink.c (recompile_files): Remove COMPILER_PATH and
4107 LIBRARY_PATH from the environment.
4109 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4111 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4112 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4114 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4116 * c-parse.in (OBJC_STRING): Kill.
4117 (objc_string): Decompose to [objc_string] '@' STRING.
4118 (reswords): Take the leading '@' off all the Objective C keywords.
4119 (objc_rid_sans_at): Kill.
4120 (init_reswords): Don't initialize it.
4121 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4122 (_yylex): Kill reconsider label. Look ahead one token after
4123 an '@'; if we get an identifier, check whether it's an
4124 Objective C @-keyword. If so, return the keyword. Otherwise,
4125 put back the token and return the '@' as a terminal.
4127 * cpplib.c (lex_macro_node): Remove unnecessary check for
4128 leading '@' on identifier. Clarify control flow and commentary.
4130 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4132 * cse.c (new_label_ref): Variable deleted.
4133 (insert): Remove set of new_label_ref.
4134 (check_for_label_ref): New function.
4135 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4137 See ChangeLog.5 for earlier changes.