1 2001-08-06 Richard Henderson <rth@redhat.com>
3 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4 * function.c (expand_main_function): Implement it.
5 * doc/tm.texi: Document it.
7 2001-08-06 Stan Shebs <shebs@apple.com>
9 * doc/install.texi: Document powerpc-*-darwin* details.
11 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
13 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
14 (ASM_CPU_SPEC): Move back to rs6000.h
15 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
17 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
19 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
22 * config/rs6000/linux64.h: Ditto.
24 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
25 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
28 Remove accidently readded definitions of FUNCTION_PROLOGUE,
29 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
31 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
34 2001-08-05 Richard Henderson <rth@redhat.com>
36 * local-alloc.c (update_equiv_regs): Do not move insns that
39 2001-08-05 Jan Hubicka <jh@suse.cz>
41 * Makefile.in (reload1.o): Add dedendancy on except.h
42 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
44 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
45 indicating wehther edges has been cleaned up.
46 * reload1.c: Inlucde except.h
47 (fixup_abnormal_edges): Accept deleted insns.
48 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
51 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
53 * cpplib.c (do_line): Correct line number after pop_buffer.
55 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
58 * line-map.c: Update comments.
59 * line-map.h: Update comments.
60 * tradcif.y: Don't consider large numbers unsigned.
62 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
66 (cb_file_change): Update map and use it.
67 (cb_def_pragma, cb_define, cb_undef): Use map and line.
68 (c_lex): Update to use map.
69 * cpperror.c (print_location): Move to using logical line numbers.
70 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
71 (cpp_make_system_header): Similarly.
72 (_cpp_execute_include): Stop line numbering hacks. Store the
73 line we will return to.
74 * cpphash.h (CPP_BUF_LINE): Remove.
75 (struct cpp_buffer): Remove lineno and pseudo_newlines.
76 Add map and return_to_line.
77 (_cpp_do_file_change): Update.
78 * cppinit.c (cpp_start_read): Update line kludge.
79 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
80 (trigraph_ok): Use logical line numbers for diagnostics.
81 (skip_block_comment): Likewise.
82 (skip_whitespace): Likewise.
83 (skip_line_comment): Use pfile->line instead.
84 (_cpp_lex_token): Update to use logical line numbering exclusively.
85 Handle BOL locally. Accept new lines in directives, but keep
86 pfile->line decremented. Diagnostics use logical lines. Update
88 * cpplib.c (SEEN_EOL): New.
89 (skip_rest_of_line, check_eol): Use it.
90 (end_directive): Increase line number when accepting the newline
91 at the end of a directive.
92 (run_directive): Simplify.
93 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
94 (_cpp_do_file_change): Update to take buffer line number as an
95 argument, and store the current map in the cpp_reader. Remove
97 (_cpp_do__Pragma): Restore output position after a _Pragma.
98 (cpp_push_buffer): Don't set output line or lineno.
99 (_cpp_pop_buffer): Transfer more info from a faked buffer.
100 Remove line kludge. Set output_line.
101 * cppmacro.c (builtin_macro): Update handling of __LINE__.
102 (parse_arg): Use logical lines.
103 (save_lookahead_token): Save EOFs too now.
104 * cppmain.c (struct printer): Fix comments.
105 (printer_init): Simplify, let caller do errors.
106 (scan_translation_unit, check_multiline_token, dump_macro): Update.
107 (maybe_print_line): Simplify.
108 (print_line): Don't print a linemarker if -P.
109 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
110 (cb_file_change): Simplify.
111 * line-map.h (LAST_SOURCE_LINE): Fix.
112 (CURRENT_LINE_MAP): New.
114 2001-08-05 Bernd Schmidt <bernds@redhat.com>
116 * doloop.c (doloop_modify_runtime): Properly compute number of
117 iterations if loop was unrolled.
119 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
120 if their CSELIB_VAL_PTRs are.
122 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
123 (setup_spill_pointers): Initialize it.
124 (spill_restore_mem): Set it.
125 (do_spill, do_restore): Use it to add REG_INC note.
126 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
128 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
129 asms if other insns are available.
131 * config/ia64/ia64.c (condop_operator): New predicate.
132 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
133 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
136 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
137 temporary register than directly using a MEM.
139 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
141 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
142 parameter in last change.
144 2001-08-04 Zack Weinberg <zackw@panix.com>
146 * sparc.md: Don't use #if inside C test expression.
148 2001-08-04 Richard Henderson <rth@redhat.com>
150 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
152 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
154 * cpphash.h (struct cpp_reader): New member directive_line.
155 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
156 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
157 do_pragma): Pass line to callbacks.
158 (start_directive): Record line of directive.
159 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
160 cb_include): Similarly.
161 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
164 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
166 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
169 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
171 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
173 * reload1.c (fixup_abnormal_edges): New static function.
176 * flow.c (need_fake_edge_p): New function.
177 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
178 avoid call insn to be very last insn in the insn stream.
180 * profile.c (branch_prob): Call flow_call_edges_add instead of
181 doing that by hand; cleanup cfg to re-merge basic blocks once
184 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
186 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
187 are also on line-map.h.
188 * cppfiles.c (stack_include_file): Update.
189 * cpphash.h (struct cpp_buffer): New member return_at_eof.
190 (_cpp_pop_buffer): New.
191 * cppinit.c (cpp_destroy, cpp_finish): Update.
192 (do_includes): Mark each buffer to return at EOF.
193 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
195 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
196 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
197 * cpplib.h (cpp_pop_buffer): Remove.
198 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
199 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
201 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
203 (do_preprocessing): Update.
204 * fix-header.c (read_scan_file): Update. No need to pop buffers.
205 * c-parse.in (_yylex): Similarly.
206 * scan-decls.c (scan_decls): Similarly.
207 * line-map.h: Update comments.
209 * objc/Make-lang.in (objc-act.o): Update dependencies.
211 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
213 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
214 and soft register for operand 0.
215 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
217 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
219 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
220 register for operand 0.
221 ("bitcmpqi_z_used"): Allow memory for operand 0.
222 (split "bitcmpqi"): New split to handle address reg as operand 1.
224 2001-08-04 Andreas Jaeger <aj@suse.de>
226 * gcse.c: Revert Daniel's last patch.
228 2001-08-03 Zack Weinberg <zackw@stanford.edu>
230 * sparc-protos.h: Add prototypes for fp_zero_operand and
232 * sh-protos.h: Add prototype for fpul_operand.
234 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
236 * doc/extend.texi (Other Builtins): Fix typo in last change.
238 2001-08-03 Richard Henderson <rth@redhat.com>
240 * target.h (gcc_target): Add asm_out.named_section,
241 section_type_flags, have_named_sections.
242 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
243 (TARGET_HAVE_NAMED_SECTIONS): New.
244 (TARGET_SECTION_TYPE_FLAGS): New.
246 * Makefile.in (toplev.o): Depend on TARGET_H.
247 (varasm.o, dbxout.o): Likewise.
248 * c-common.c (decl_attributes): Check targetm.have_named_sections
249 instead of ifdef ASM_OUTPUT_SECTION_NAME.
250 * dbxout.c (dbxout_function_decl): Likewise.
251 (dbxout_function_end): Likewise.
252 * toplev.c (compile_file): Likewise.
253 * varasm.c (exception_section): Likewise.
254 * cp/decl2.c (finish_objects): Likewise.
256 * defaults.h (EH_FRAME_SECTION): Remove.
257 (EH_FRAME_SECTION_ASM_OP): Remove.
258 (EH_FRAME_SECTION_NAME): New.
259 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
260 (UNIQUE_SECTION_P): Remove.
261 * dwarf2out.c (SECTION_FORMAT): Remove.
262 (ASM_OUTPUT_SECTION): Remove.
263 (output_call_frame_info): Use named_section_flags.
264 (output_comp_unit, dwarf2out_start_source_file): Likewise.
265 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
266 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
267 * varasm.c (in_eh_frame, eh_frame_section): Remove.
268 (named_section_flags): New.
269 (named_section): Use it and targetm.section_type_flags.
270 (resolve_unique_section): New.
271 (assemble_start_function): Use it.
272 (asm_emit_uninitialised, assemble_variable): Likewise.
273 (default_section_type_flags): New.
274 (default_no_named_section, default_elf_asm_named_section): New.
275 (default_coff_asm_named_section, default_pe_asm_named_section): New.
276 * output.h: Update varasm.c decls.
277 (SECTION_*): New flags.
279 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
280 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
282 * config/elfos.h (UNIQUE_SECTION_P): Remove.
283 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
284 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
285 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
286 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
287 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
288 * config/mips/elf.h, config/mips/elf64.h: Likewise.
289 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
290 * config/pa/pa64-hpux.h,
292 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
293 (TARGET_ASM_NAMED_SECTION): New.
294 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
295 * config/alpha/vms.h, config/arm/coff.h: Likewise.
296 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
297 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
298 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
299 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
300 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
301 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
302 * config/i386/sco5.h, config/i386/win32.h: Likewise.
303 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
304 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
305 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
306 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
307 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
308 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
309 * config/sparc/sysv4.h: Likewise.
311 * config/nextstep.h: Error until named sections implemented.
313 * config/a29k/a29k.c (a29k_asm_named_section): New.
314 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
315 (vms_section_type_flags, vms_asm_named_section): New.
316 * config/arm/arm.c (arm_elf_asm_named_section): New.
317 * config/avr/avr.c (asm_output_section_name): Remove.
318 * config/avr/avr-protos.h: Update.
319 * config/c4x/c4x.c (c4x_asm_named_section): New.
320 * config/h8300/h8300.c (h8300_asm_named_section): New.
321 * config/i386/i386.c (sco_asm_named_section): New.
322 * config/i386/winnt.c (SECTION_PE_SHARED): New.
323 (i386_pe_section_type_flags): New.
324 (i386_pe_asm_named_section): New.
325 * config/i386/i386-protos.h: Update.
326 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
327 * config/mcore/mcore.c (mcore_asm_named_section): New.
328 * config/mips/mips.c (iris6_asm_named_section): New.
329 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
330 instead of UNIQUE_SECTION_P.
331 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
332 (xcoff_asm_named_section): New.
333 * config/sh/sh.c (sh_asm_named_section): New.
334 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
336 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
337 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
338 (EH_FRAME_SECTION_NAME): New.
339 (EXCEPTION_SECTION): New.
340 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
341 (DEBUG_*_SECTION): Remove.
342 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
343 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
344 (EH_FRAME_SECTION_ASM_OP): Remove.
346 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
347 (ASM_OUTPUT_SECTION_NAME): Remove.
348 (TARGET_ASM_NAMED_SECTION): New.
349 (TARGET_HAVE_NAMED_SECTIONS): New.
350 (TARGET_SECTION_TYPE_FLAGS): New.
351 (EH_FRAME_SECTION_ASM_OP): Remove.
352 (EH_FRAME_SECTION_NAME): New.
354 2001-08-03 Zack Weinberg <zackw@stanford.edu>
356 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
357 for complex expressions when cfun == 0.
358 * doc/extend.texi: Document that __builtin_constant_p can be
359 used in data initializers as well as functions.
361 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
363 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
364 variable I locally, instead of expecting a declaration in the
367 2001-08-03 Richard Henderson <rth@redhat.com>
369 * except.c (collect_one_action_chain): Add an explicit cleanup
370 action if regions surrounding a catch were encoded entirely
371 within the call-site entry.
373 2001-08-03 Richard Henderson <rth@redhat.com>
375 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
376 don't take REGNO of a non-register.
378 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
380 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
381 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
382 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
383 (__gthread_mutex_init_function): New function for mutex initialization.
385 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
387 * Makefile.in: Revert screwed up commit.
389 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
391 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
392 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
393 merged by linker script to get a final _exit().
394 (__do_global_dtors): New for destructor handling in specific exit
396 (__do_global_ctors): New for constructors in specific install section.
397 (__map_data_section): Map data sections before running constructors.
398 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
399 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
400 (DTORS_SECTION_ASM_OP): Likewise.
401 (CTORS_SECTION_FUNCTION): Define to force a reference to
403 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
405 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
407 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
409 * Makefile.in: Add df.h to gcse.c dependencies.
411 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
413 * varasm.c (output_constant_def_contents): Use for the length of a
414 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
415 depending on which is larger.
417 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
419 * gcse.c: Include df.h for use as a dataflow analyzer.
421 Declaration of reg_set_info: gone.
422 New df_analyzer variable used by store motion.
423 (reg_set_info): Deleted.
424 (mark_mem_regs): New function, analyze regs used by a mem.
425 (store_ops_ok): Use dataflow analyzer results to determine if
426 necessary regs are changed in the block.
427 (find_moveable_store): Remove check for symbol ref, we can handle
428 much more complex expressions now.
429 (compute_store_table): Remove most of the code, it's unnecessary
430 now that the dataflow analyzer records the info for us.
431 (store_killed_after): Add parameter to say whether to do the
432 store_ops_okay test, used to speed up testing when we already know
433 the answer, and just want to know if the store itself was killed.
434 (build_store_vector): Largely rewritten to calculate the various
435 vectors properly, and somewhat optimized.
436 (store_motion): Init the df_analyzer, get REG_DEF chains.
437 Also handle trapping expressions (since mems almost always trap)
438 (simple_mem): Redefine what a simple mem is.
440 2001-08-03 DJ Delorie <dj@redhat.com>
442 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
443 set from a constant part of the condition.
445 2001-08-01 Andrew Cagney <ac131313@redhat.com>
447 * mkdeps.c (deps_add_default_target): Make local variable
448 ``start'' a const char pointer.
449 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
451 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
453 * doc/install.texi (Configuration): Fix markup.
454 (Specific, i?86-*-udk): Likewise.
455 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
457 Document --enable-threads and --enable-libgcj status.
458 (Specific, mips-sgi-irix*): Canonicalize triples.
459 (Specific, mips-sgi-irix5): Warn about problems with this config.
460 Mention required GNU as patch.
461 Native assembler problems are fixed.
462 (Specific, mips-sgi-irix6): Update O32 ABI support status.
463 Document --enable-threads and --enable-libgcj status.
465 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
467 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
470 2001-08-03 Richard Henderson <rth@redhat.com>
472 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
475 2001-08-03 Richard Henderson <rth@redhat.com>
477 * rtlanal.c (find_first_parameter_load): Stop if we
478 reach a CODE_LABEL at BOUNDARY.
480 2001-08-03 Richard Henderson <rth@redhat.com>
482 * config/alpha/alpha.md (force_movdi): New insn.
483 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
484 Tweek FRP marking of VMS prologue insns.
485 * config/alpha/vms.h (EPILOGUE_USES): New.
487 2001-08-02 Richard Henderson <rth@redhat.com>
489 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
491 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
493 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
494 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
495 config/convex/convex.h, config/d30v/d30v.c,
496 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
497 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
498 config/mips/mips.h, config/mn10200/mn10200.h,
499 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
500 config/v850/v850.h, config/vax/openbsd.h,
501 config/vax/openbsd1.h, config/vax/ultrix.h,
502 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
503 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
504 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
505 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
506 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
507 in comments and documentation.
509 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
513 * Makefile.in (line-map.o): New.
514 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
515 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
516 * cpperror.c (print_containing_files): Similarly.
517 (print_location): Update. Don't output a space before _Pragma.
518 * cppfiles.c (stack_include_file): Set to line 1 immediately.
519 (stack_include_filee, cpp_make_system_header): Update.
520 (_cpp_execute_include): Get logical line number right for calling
521 as-yet-unterminated #include.
522 * cpphash.h (struct cpp_reader): Add line_maps.
523 (_cpp_do_file_change): Update.
524 * cppinit.c (cpp_create_reader): Initialize line maps.
525 (cpp_destroy): Destroy line maps.
526 (cpp_start_read): Get logical line number right.
527 * cpplex.c (parse_string): Only warn once for multi-line strings.
528 Use boolean variable for null warning.
529 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
531 (do_include_common): End the directive early.
532 (do_line): Don't warn about out-of-range lines in preprocessed
533 source. Update. Remove unused variables.
534 (_cpp_do_file_change): Update for new line mapping.
535 (pragma_cb): New typedef.
536 (cpp_register_pragma): Stop looking ahead before calling the
538 (do_pragma_system_header): End directive early.
539 (cpp_get_line_maps): New.
540 (cpp_pop_buffer): Fudge logical line. Update.
541 * cpplib.h: Include line-map.h
542 (enum cpp_fc_reason): Remove.
543 (struct cpp_file_change): Update.
544 (cpp_get_line_maps): New.
545 * cppmain.c (struct_printer): New member map.
546 (cb_file_change): Update for new mappings.
547 * fix-header.c (cb_file_change): Similarly.
549 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
551 * Makefile.in (libgcc.mk): Define mkinstalldirs.
552 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
554 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
556 * config/vax/vax.c: include expr.h.
558 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
560 * Makefile.in ($(srcdir)/configure): Only rebuild in
562 ($(srcdir)/config.in): Only define in maintainer mode.
563 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
565 2001-08-02 David Edelsohn <edelsohn@gnu.org>
567 * doc/install.texi (Install GCC: Binaries): Update Bull info.
569 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
571 * gcc.c (set_collect_gcc_options): New function, split out from
573 Ignore elided switches.
574 (do_spec_1): Invoke before executing command.
577 * gcc.h (set_input): ... here.
578 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
581 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
584 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
586 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
588 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
590 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
591 for the unnamed instructions it expands to.
593 2001-08-02 Richard Henderson <rth@redhat.com>
595 * regclass.c (call_really_used_regs): Conditionally define.
596 (init_reg_sets_1): Don't use it if not defined.
597 (fix_register): Similarly, don't set it.
599 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
601 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
602 Correct comment that had been missed in the previous change.
604 2001-08-01 Stan Shebs <shebs@apple.com>
606 * config/darwin.c (machopic_stub_name): Try matching by name.
607 (update_stubs): New function.
608 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
611 2001-08-01 Richard Henderson <rth@redhat.com>
613 * except.c (output_function_exception_table): Use assemble_align.
614 * varasm.c (assemble_eh_label): Remove.
615 (assemble_eh_align, assemble_eh_integer): Remove.
617 2001-08-01 Robert Lipe <robertl@caldera.com>
619 * dwarfout.c: Remove reference to README.DWARF.
621 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
623 * regclass.c (call_really_used_regs): New array for registers which
624 are actually used by a call.
625 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
627 (fix_register): Set call_really_used too.
628 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
629 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
631 2001-08-01 Richard Henderson <rth@redhat.com>
633 * read-rtl.c (read_name): Consider \r whitespace.
635 2001-07-11 Andrew Cagney <ac131313@redhat.com>
637 * config.gcc: Recognize powerpc-*-netbsd*.
639 * doc/install.texi (Host/target specific installation notes for
640 GCC): Mention powerpc-*-netbsd*.
642 * config/rs6000/netbsd.h: New file.
643 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
644 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
645 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
646 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
647 (TARGET_VERSION): Redefine.
649 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
650 mcall-netbsd as a match for mcall-sysv.
651 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
652 (ncrti.S, ncrtn.S): New targets.
653 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
655 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
656 "netbsd' as a V4 ABI.
657 (ASM_SPEC): Check for -mcall-netbsd.
658 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
659 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
660 (LIB_SPEC, ENDFILE_SPEC): Ditto.
661 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
662 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
663 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
664 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
666 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
667 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
669 2001-08-01 Mark Kettenis <kettenis@gnu.org>
671 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
672 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
673 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
674 including "unwind-pe.h".
676 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
678 * rs6000.md (define_splits): Kill unused constraints.
680 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
681 Jan Hubicka <jh@suse.cz>
683 * function.c (thread_prologue_and_epilogue_insns): Kill code
684 dealing with non-existent CFG.
686 2001-08-01 Kazu Hirata <kazu@hxi.com>
688 * alias.c: Fix comment formatting.
689 * bitmap.c: Likewise.
690 * builtins.c: Likewise.
692 * c-common.c: Likewise.
693 * c-decl.c: Likewise.
694 * c-dump.c: Likewise.
696 * collect2.c: Likewise.
697 * combine.c: Likewise.
698 * conflict.c: Likewise.
699 * cppfiles.c: Likewise.
700 * cppinit.c: Likewise.
701 * cpplex.c: Likewise.
702 * cpplib.c: Likewise.
703 * cppmacro.c: Likewise.
704 * cppspec.c: Likewise.
705 * c-pragma.c: Likewise.
706 * crtstuff.c: Likewise.
708 * cselib.c: Likewise.
709 * c-semantics.c: Likewise.
710 * c-typeck.c: Likewise.
712 2001-08-01 H.J. Lu <hjl@gnu.org>
714 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
716 2001-08-01 H.J. Lu <hjl@gnu.org>
718 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
720 2001-08-01 Ziemowit Laski <zlaski@apple.com>
722 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
723 contextualizing Objective-C class name lookup by the lexer.
724 (typespec_reserved_nonattr): Disable ObjC class name lookup after
726 (protocoldef): Add support for forward @protocol declarations.
727 (yylexname): Suppress ObjC class name lookup in certain contexts;
728 re-enable after lookup is complete.
729 (_yylex): Re-enable ObjC class name lookup when certain
730 punctuation marks are seen.
732 * objc/objc-act.c (check_protocol_recursively): New function used
733 for finding circular dependencies in protocols.
734 (objc_declare_protocols): New function for handling forward
735 @protocol declarations.
736 (receiver_is_class_object): Detect the case when 'self' is used
737 inside of a class method.
738 (build_message_expr): Issue a warning if class method is desired
739 but instance method is found instead.
740 (conforms_to_protocol): Streamline.
741 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
742 protocol Foo, even if 'Bar foo' does not.
743 (check_protocols): Streamline.
744 (start_protocol): Add checks for circular and duplicate protocol
746 (encode_aggregate_within): For typedefs of structs, encode the
748 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
749 (objc_declare_protocols): New prototype.
751 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
753 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
754 * cpplex.c (handle_newline): Update prototype. Maintain logical
756 (skip_escaped_newlines, skip_block_comment, parse_string):
758 (_cpp_lex_token): Update, and store token position within the token.
759 * cpplib.h (struct cpp_token): Add line and column entries.
760 * cppmacro.c (replace_args): Position stringified tokens correctly.
762 2001-08-01 Andreas Jaeger <aj@suse.de>
764 * basic-block.h: Add prototype for last_loop_beg_note.
766 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
768 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
769 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
771 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
772 while handling WITH_CLEANUP_EXPR node. Use second operand calling
774 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
776 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
777 operand while calling simple_cst_equal.
778 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
779 operand is the cleanup expression, the third is the RTL_EXPR.
780 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
782 2001-07-31 Jeff Sturm <jsturm@one-point.com>
784 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
786 2001-07-31 matthew green <mrg@eterna.com.au>
788 * config.gcc (i386-*-netbsdelf): New description.
789 * config/i386/netbsd-elf.h: New file.
791 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
793 * loop.c (check_dbra_loop): Use single_set to compute
796 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
798 PowerPC reorg and support for powerpc64-*-linux*.
800 Also fixes emitting of constants on 32 bit and 64 bit
803 * config.gcc: powerpc64-*-linux* is a new target.
804 Things that needed aix.h now also include xcoff.h
806 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
808 Move AIX specific stuff into aix.h.
809 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
810 with more than just XCOFF now.
811 (SET_ASM_OP): Remove, now defined where needed.
812 (FUNCTION_PROLOGUE): New macro definition.
813 (FUNCTION_EPILOGUE): New macro definition.
814 (CONST_OK_FOR_LETTER_P): Change N to require that value is
816 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
818 * config/rs6000/xcoff.h: New file.
820 * config/rs6000/linux64.h: New file.
822 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
824 2001-07-31 Alan Modra <amodra@bigpond.net.au>
826 * rs6000.c (print_operand_address): Handle ELF syntax.
827 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
828 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
829 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
831 2001-07-31 David Edelsohn <edelsohn@gnu.org>
833 * rs6000.c (rs6000_override_options): Only disable
834 flag_function_sections for XCOFF.
835 (exact_log2_cint_operand): New predicate.
836 (reg_or_{add,sub}_cint64_operand): New predicates.
837 (add_operand): Compare CONST_INT with fewer function calls.
838 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
839 (print_operand, case 'p'): Ensure positive operand.
840 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
841 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
842 (PREDICATE_CODES): Add new predicates.
843 * rs6000.md (addsi3): Split 32-bit constants more correctly.
844 (divsi3, modsi3): Ensure positive power-of-2.
845 (adddi3): Use new predicate. Split 32-bit constants more
846 correctly. Re-arrange splitter to handle any constant.
847 (subdi3): Use new predicate.
848 (divdi3, moddi3): Ensure positive power-of-2.
849 (movdi): Use rs6000_emit_set_const.
850 (load_toc_v4_pic_di): Delete.
852 2001-07-31 Graham Stott <grahams@redhat.com>
854 * function.c (pad_below): Revert 2001-07-26 patch.
856 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
858 * reg-stack (convert_regs_1): Fix best edge condition.
860 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
862 * jump.c (duplicate_loop_exit_test): Better test for jumps
863 entering the loop; create loop pre_header.
865 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
867 * doc/install.texi: Add s390 and s390x as new targets.
868 * doc/invoke.texi: Add documantation of S/390 and zSeries
870 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
872 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
874 * config/m68k/m68k.md: Replace all general_operand with
875 nonimmediate_operand for all destinations.
876 * config/m68k/m68k.c (not_sp_operand): Likewise.
878 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
880 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
882 2001-07-30 Richard Henderson <rth@redhat.com>
884 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
885 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
887 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
889 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
890 Add missing doc strings
891 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
892 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
894 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
896 * i386.c (ix86_output_main_function_alignment_hack): New function.
897 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
899 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
900 edges by EDGE_DFS_BACK flag.
901 (dump_edge_info): Add dfs_back flag.
902 * basic-block.h (EDGE_DFS_BACK): New constant.
903 (mark_dfs_back_edges): Declare.
904 * alias.c (loop_p): Remove.
905 (mark_constant_function): Use mark_dfs_back_edges.
907 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
908 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
909 (compensate_edge): Break out from ...
910 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
911 (convert_regs_2): Set block_done once block is really done;
912 Do updating of the predecesors counts.
914 * toplev.c (rest_of_compilation): Recompute block_for_insn
915 before post-reload cfg_cleanup.
916 * function.c (thread_prologue_epilogue_insns):
917 Call set_block_for_new_insns when emitting prologue directly.
919 2001-07-30 Andreas Jaeger <aj@suse.de>
921 * jump.c: Add prototype for mark_modified_reg.
923 * cse.c (set_live_p): Add unused attribute.
925 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
927 (scan_for_source_files): Use long for count to avoid overflow.
928 (output_data): Likewise.
929 (output_data): Don't use string concatatenation to silence gcc
932 * predict.c: Fix typos and grammar.
934 * gcse.c (insert_insn_end_bb): Remove unused variables.
936 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
938 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
939 (attempt_auto_inc): LIkewise.
940 (mark_used_reg): Likewise.
941 (try_pre_increment_1): Likewise.
942 * regclass.c (regclass): Likewise.
943 * global.c (allocno_compare): Update comment; change scaling factor.
944 * local-alloc.c (QTY_CMP_PRI): Likewise.
945 * regs.h (REG_FREQ_FROM_BB): New.
946 (REG_FREQ_MAX): Likewise.
948 2001-07-30 H.J. Lu <hjl@gnu.org>
950 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
953 2001-07-30 H.J. Lu (hjl@gnu.org)
955 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
956 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
957 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
959 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
961 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
962 as -mthumb-interwork when -mcpu=arm7 is specified.
964 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
966 * predict.def (noreturn, loop branch, loop exit): Mark as first
969 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
971 * combine.c (try_combine): Avoid barrier after noop jumps.
973 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
975 * cpphash.h (struct cpp_reader): Remove import_warning.
976 * cpplib.c (skip_rest_of_line): Don't bother turning off
978 (parse_include): Move include handling to...
979 (do_include_common): ... here. Move import warning from...
980 (do_import): ... here.
981 (do_pragma_poison): Don't do a callback for poison identifiers.
982 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
983 * cppmain.c (setup_callbacks): Similarly.
985 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
987 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
988 handle multiple sets.
989 * except.c (sjlj_mark_call_sites): .... here.
990 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
992 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
994 Suggested by Richard Henderson and Richard Kenner:
995 * combine.c (recog_for_combine): Use the fake recog
996 only if instruction does not match.
997 * rtl.h (NOOP_MOVE_INSN_CODE): New.
998 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1000 * combine.c (try_combine): Discover noop jump as direct jump.
1002 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1004 * df.c (df_rd_global_compute): Add successors to worklist, not
1006 (df_ru_global_compute): Ditto.
1008 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1010 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1011 increment REG_N_SETS.
1013 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1015 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1017 * sbitmap.c (sbitmap_a_xor_b): New function.
1018 ifdef the basic block stuff on IN_GCC.
1020 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1022 * cppexp.c (parse_defined): Always record the macro name.
1023 (lex): Don't worry about identifiers, or special-case
1025 (_cpp_parse_expr): Figure out at the end of the routine
1026 whether we saw a valid !defined() expression.
1027 * cppfiles.c (stack_include_file): Update for mi_valid.
1028 (_cpp_pop_file_buffer): Similarly.
1029 * cpplex.c (_cpp_lex_token): Similarly.
1030 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1031 mi_if_not_defined, mi_lexed): Remove.
1033 * cpplib.c (do_if): Simplify.
1034 (do_endif, push_conditional, _cpp_handle_directive): Update
1035 for renaming of mi_state to mi_valid.
1037 * cpp.texi: Add index entries for digraphs, and add comment
1038 that C++ refers to them as alternative tokens.
1040 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1042 * basic-block.h (CLEANUP_PRE_LOOP): New.
1043 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1044 * sibcall.c (optimize_sibling_calls): Likewise.
1045 * toplev.c (rest_of_compilation): Likewise.
1046 * flow.c (try_forward_edges): Take argument MODE;
1047 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1048 (try_optimize_cfg): Update call of try_forward_edges.
1050 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1051 Jan Hubicka <jh@suse.cz>
1053 * (validate_replace_rtx_1): Fix simplification of MINUS.
1055 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1057 PR preprocessor/3669
1058 * cppinit.c (init_dependency_output): Turn off dump requests
1059 if sending dependencies to stdout.
1061 2001-07-28 Richard Henderson <rth@redhat.com>
1063 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1066 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1068 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1070 2001-07-28 Kazu Hirata <kazu@hxi.com>
1072 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1073 is VAR_DECL first to prevent an ICE.
1075 2001-07-28 Richard Henderson <rth@redhat.com>
1077 * varasm.c (immed_real_const_1): Don't elide special cases for
1079 (clear_const_double_mem): Clear const_tiny_rtx too.
1081 2001-07-28 Richard Henderson <rth@redhat.com>
1083 * dwarf2out.c (dw_val_class_offset): New.
1084 (struct dw_ranges_struct, dw_ranges_ref): New.
1085 (ranges_table, ranges_table_allocated): New.
1086 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1087 (add_AT_offset, add_ranges, output_ranges): New.
1088 (print_die, output_die): Handle dw_val_class_offset.
1089 (attr_checksum, size_of_die, value_format): Likewise.
1090 (gen_lexical_block_die): Handle non-contiguous blocks.
1091 (gen_block_die): Likewise.
1092 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1093 if needed. Dump the ranges table.
1094 * final.c (final_start_function): Remove unnecessary notes and
1095 rebuild the block tree before numbering the blocks.
1096 * function.c (reorder_blocks_0): Walk the existing block tree
1097 to unmark all blocks.
1098 (reorder_blocks_1): Create block fragments when duplicate block
1100 (reorder_fix_fragments): New.
1101 (reorder_blocks): Call it.
1102 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1104 2001-07-28 Richard Henderson <rth@redhat.com>
1106 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1108 2001-07-28 Richard Henderson <rth@redhat.com>
1110 * flow.c (add_to_mem_set_list): New function.
1111 (init_propagate_block_info): Use it.
1112 (mark_set_1): Likewise.
1113 (insn_dead_p): Canonicalize memory address for dead store
1114 comparison. Allow wider mode stores to kill narrower mode stores.
1115 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1116 (invalidate_mems_from_set): Don't handle MEMs.
1118 2001-07-28 Kazu Hirata <kazu@hxi.com>
1120 * config/h8300/h8300.h: Fix formatting.
1122 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1124 * basic-block.h (EDGE_FREQUENCY): New macro.
1125 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1127 * flow.c (find_sub_basic_blocks): Likewise.
1128 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1129 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1131 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1132 (HITRATE): New macro.
1133 (PRED_FLAG_FIRST_MATCH): New constant.
1134 (predictor_info): New field flgags.
1135 (combine_predictions_for_insn): Use DS theory to combine
1136 probabilities; set the edge probabilities when finished.
1137 (estimate_probability): Avoid duplicated matches
1138 of LOOP_BRANCH heuristics for nested loops; update comment.
1139 * predict.def: Add flags for each prediction, set probabilities
1140 according to B&L paper.
1141 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1143 * profile.c (compute_branch_probabilities): Cleanup way the edge
1144 probabilities are computed and REG_BR_PROB notes are dropped; if
1145 values does not match, emit error.
1146 (init_branch_prob): Do error instead of warning when profile driven
1147 feedback is missing or corrupt.
1149 2001-07-27 DJ Delorie <dj@redhat.com>
1151 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1152 against a constant, try to adjust the compare to have the desired
1153 constant in it so that min/max optimizations happen more often.
1155 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1157 * flow.c (last_loop_beg_note): New function.
1158 (redirect_edge_and_branch): Use it.
1159 (split_edge): Likewise.
1161 * alias.c (loop_p): Avoid uninitialized memory access.
1163 * flow.c (try_forward_edges): Avoid accessing freed memory.
1165 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1168 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1170 * doc/install.texi (Configuration): Properly link the host
1171 specific instructions also when generating HTML.
1173 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1175 * flow.c (redirect_edge_and_branch_force): Test
1176 target->global_live_at_start.
1178 2001-07-26 Richard Henderson <rth@redhat.com>
1180 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1181 * rtl.h (avoid_constant_pool_reference): Declare it.
1182 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1183 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1185 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1187 * rtl.h (cleanup_barriers): Declare.
1188 * jump.c (cleanup_barriers): New function.
1189 * toplev.c (rest_of_compilation): Call cleanup_barriers
1190 before loop optimizer and after bb_reorder.
1192 * flow.c (back_edge_of_syntactic_loop_p): New.
1193 (split_edge): Use it.
1195 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1197 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1199 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1201 * cse.c (cse_process_notes): Replace any registers if the address
1204 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1206 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1207 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1208 (propagate_block): Update prototype.
1209 * flow.c (update_life_info): Simplify the CFG and
1210 recalculate the global regs which are alive when
1211 removing dead code during a global update.
1212 (propagate_block): Return non-zero if an INSN is
1215 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1217 * Makefile.in (LIBICONV): Define.
1219 2001-07-26 Catherine Moore <clm@redhat.com>
1221 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1222 of conditional to avoid tree checking errors.
1224 2001-07-26 Kazu Hirata <kazu@hxi.com>
1226 * regmove.c (regmove_optimize): Don't replace a reg with
1227 another reg of a different mode.
1229 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1231 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1232 limit length of dependancy flush list.
1233 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1234 * sched-int.h (struct deps): Add pending_flush_length field.
1235 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1236 has 1 element in it.
1237 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1238 (sched_analyze): After a jump, if the pending memory flush list is too
1239 large, flush the pending lists.
1240 (init_deps): Initialize pending_flush_length to 0.
1241 * doc/invoke.texi (max_pending_list_length): Document parameter.
1243 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1245 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1246 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1247 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1249 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1251 * cpphash.h (struct_lexer_state): Delete was_skipping.
1252 Move skipping here from struct cpp_reader.
1253 * cpplex.c (parse_identifier): Update.
1254 (_cpp_lex_token): Don't skip tokens in a directive.
1255 * cpplib.c (struct if_stack): Update.
1256 (start_directive, end_directive): Don't change skipping state.
1257 (_cpp_handle_directive): Update.
1258 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1259 (do_else, do_endif): Update; only check for excess tokens if not
1260 in a skipped conditional block.
1261 (push_conditional): Update for new struct if_stack.
1263 2001-07-26 Graham Stott <grahams@redhat.com>
1265 * function.c (locate_and_pad_parm): Also pad initial offset
1266 so that the total argument size also includes the padding.
1268 2001-07-26 Graham Stott <grahams@redhat.com>
1270 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1271 change XSTR to XTMPL.
1273 (process_one_cond_exec): Likewise
1275 2001-07-25 Richard Henderson <rth@redhat.com>
1277 * varasm.c (assemble_variable): Create DECL_RTL before setting
1280 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1282 * predict.c (estimate_probability): Avoid duplicated predictions.
1284 * loop.c (find_and_verify_loops): Grok multiple barriers.
1286 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1288 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1290 * dbxout.c: Consistently use putc instead of fputc.
1291 (print_wide_int): New function; call instead of direct fprintf.
1292 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1293 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1294 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1295 (print_int_cst_octal): Likewise.
1296 (print_octal): Show we wrote characters.
1297 (dbxout_type): Set have_used_extensions in more places.
1299 2001-07-25 Catherine Moore <clm@redhat.com>
1301 * config/v850/v850.c (v850_va_arg): Use addr
1302 instead of valist to build incr.
1304 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1306 * flow.c (delete_dead_jumptables): New function.
1307 (life_analyzis): Call it.
1308 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1311 2001-07-25 Richard Henderson <rth@redhat.com>
1313 * except.c (reachable_handlers): Handle a region being removed
1314 out from under a RESX.
1316 2001-07-25 Richard Henderson <rth@redhat.com>
1318 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1319 swap GE/GT if it is an fp comparison.
1321 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1323 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1326 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1328 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1329 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1332 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1334 (visit_expression): When attempting to simplify an expression,
1335 retrieve any modes for arguments before they are simplified
1338 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1339 Janis Johnson <janis@us.ibm.com>
1341 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1342 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1343 pointer parameters to match documented usage of nonlocal_goto.
1344 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1345 parameters to their correct order.
1346 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1347 parameters to their correct order.
1349 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1351 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1353 2001-07-25 Jan Hubicka <jh@suse.cz>
1354 Richard Henderson <rth@redhat.com>
1356 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1358 (make_edges): New argument update_p; populate the edge cache if set.
1359 (find_basic_blocks): Update make_edges invocation.
1361 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1363 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1365 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1367 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1368 -Acpu and -Amachine.h.
1369 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1370 Corrected header to say ELF not a.out.
1371 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1372 when given -msoft-float.
1374 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1376 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1377 extra multilib parts like arm-elf.
1378 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1379 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1380 crtfini.o as extra multilib parts.
1382 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1384 * configure.in: Add rtems as a supported thread model.
1385 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1386 * configure: Rebuilt.
1388 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1390 * stor-layout.c (get_mode_alignment): make it work when
1391 BITS_PER_UNIT is not a power of two.
1392 * builtins.c (get_pointer_alignment): Likewise.
1394 2001-07-24 Richard Henderson <rth@redhat.com>
1396 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1397 the retrieved constant into the expected mode.
1399 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1401 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1402 (verify_flow_info): Check for duplicated edges; clarify
1405 * flow.c (block_label): Update basic_block_for_insn.
1406 (commit_edge_insertions): Call compute_bb_for_insn.
1408 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1411 * flow.c (redirect_edge_and_branch,
1412 try_optimize_cfg): Use redirect_edge_succ_nodup
1413 (redirect_edge_succ_nodup): New.
1414 * basic_block.h (redirect_edge_succ_nodup): Declare.
1416 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1419 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1421 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1422 (try_crossjump_to_edge): Update commetns.
1423 (try_crossjump_bb): Likewise.
1425 2001-07-24 Richard Henderson <rth@redhat.com>
1427 * combine.c (distribute_notes): Move set of need_refresh
1428 for noop_move_p down to catch all cases.
1430 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1432 * recog.c (split_all_insns_noflow): New.
1433 * rtl.h (split_all_insns_noflow): Declare.
1434 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1435 * m68hc11.c (m68hc11_reorg): Likewise.
1436 * sh.c (machine_dependent_reorg): Likewise.
1437 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1440 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1442 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1443 (ashlsi3_n splitter): Likewise.
1444 (lshrsi3_n splitter): Likewise.
1446 (GOTaddr2picreg): Make const SImode.
1447 (sym_label2reg): Likewise.
1448 (symGOT2reg): Likewise.
1449 (symGOTOFF2reg) Likewise.
1451 (casesi_worker_0): Make unspec SImode.
1453 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1455 * config/sh/sh.c (barrier_align): Check that an operand really is
1456 an insn before extracting its INSN_CODE.
1458 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1460 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1463 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1464 for SImode to prevent overflow.
1466 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1468 * config/mips/irix6-libc-compat.c: New file.
1469 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1470 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1473 2001-07-24 lars brinkhoff <lars@nocrew.org>
1475 * rtl.texi (REG_POINTER): Document.
1476 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1477 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1479 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1481 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1483 2001-07-23 Richard Henderson <rth@redhat.com>
1485 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1487 2001-07-23 Kazu Hirata <kazu@hxi.com>
1489 * config/h8300/h8300-protos.h: Add a prototype for
1490 general_operand_dst_push.
1491 * config/h8300/h8300.c (general_operand_dst_push): New.
1492 * config/h8300/h8300.h (OK_FOR_T): New.
1493 (EXTRA_CONSTRAINT): Use it.
1494 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1495 the existing movqi pattern.
1496 (movhi_push): Likewise.
1498 * reload.c: Fix comment typos.
1500 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1502 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1504 2001-07-23 H.J. Lu (hjl@gnu.org)
1506 * doc/extend.texi: Update __builtin_return_address and
1507 __builtin_frame_address.
1509 2001-07-23 Richard Henderson <rth@redhat.com>
1511 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1513 * config/i386/i386.md: New setcc+movzbl peephole2.
1515 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1517 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1518 * objc/objc-act.c: Include debug.h.
1519 (synth_module_prologue): Save and restore debug hooks too.
1521 2001-07-23 lars brinkhoff <lars@nocrew.org>
1523 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1524 and C4X_FLOAT_FORMAT.
1525 (BOOL_TYPE_SIZE): Document.
1527 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1529 * unroll.c (loop_iterations): Fix miscalculation of initial
1532 2001-07-13 Andrew Haley <aph@redhat.com>
1534 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1535 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1536 * config/sh/sh.c (sh_can_redirect_branch): New function.
1537 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1538 * reorg.c (steal_delay_list_from_target): Use
1539 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1541 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1543 * flow.c (try_simplify_condjump): Unlink insn chain on
1544 fallthru edge; use can_fallthru.
1546 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1548 * basic-block.h (find_sub_basic_block): Declare.
1549 * flow.c (make_edges): New arguments MIN and MAX;
1550 (find_sub_basic_blocks): Revamp to use make_edges
1551 and purge_dead_edges.
1552 (find_basic_blocks): Update call of find_sub_basic_block.
1554 * recog.c (split_all_insns): Always expect CFG to be consistent;
1555 call find_sub_basic_blocks in case something has changed.
1556 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1559 * basic-block.h (delete_noop_moves): Declare.
1560 * combine.c (combine_instructions): Call it.
1561 (recog_for_combine): Tolerate noop moves
1562 (distribute_notes): Force refresh when register dies at noop move.
1563 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1565 (life_analysis): Update delete_noop_moves call.
1566 (set_noop_p): Move too ...
1567 * rtlanal.c (noop_move_p): ... here.
1568 * rtl.h (noop_move_p): Declare.
1570 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1571 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1573 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1574 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1576 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1578 * reload.c (push_reload): Fix typo in comment.
1579 (find_reloads_address): Ditto.
1580 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1582 2001-07-22 Richard Henderson <rth@redhat.com>
1584 * flow.c: Grammar check and clarify a lot of comments.
1585 (try_simplify_condjump): Rename variables to be clearer.
1586 (try_forward_edges): Skip complex and fallthru edges.
1587 Rearrange tests to avoid duplicate checks.
1588 (flow_find_cross_jump): Likewise.
1589 (outgoing_edges_match): Allow match if neither branch has
1590 probability data. Loosen probability match to 5%.
1591 (try_crossjump_to_edge): Hoist repeated indirection into
1593 (try_crossjump_bb): Don't check complex edges. Eliminate
1594 redundant crossjump tests.
1595 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1596 checks before more expensive checks.
1598 2001-07-22 Richard Henderson <rth@redhat.com>
1600 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1601 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1604 2001-07-22 Richard Henderson <rth@redhat.com>
1606 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1607 (const_sint32_operand): Likewise.
1608 * m68k.md (anon mulsi pattern): Use const_int_operand not
1609 const_sint32_operand.
1610 (umulsi3_highpart): Zero extend a constant input.
1611 (smulsi3_highpart): Don't bother checking SImode constant.
1612 (const_umulsi3_highpart): Give op3 DImode.
1613 (const_smulsi3_highpart): Likewise.
1615 2001-07-22 Richard Henderson <rth@redhat.com>
1617 * flow.c (split_block): Make sure bb_note is included in the
1618 new block when splitting before a label.
1620 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1622 * basic-block.h (redirect_edge_and_branch_force,
1623 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1624 * flow.c (redirect_edge_and_branch_force,
1625 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1626 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1627 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1628 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1629 instead of label; update CFG after transformation.
1630 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1631 for finishing the transformation; handle even case where ELSE
1632 does not follow THEN.
1633 (find_if_case_2): Update call of dead_or_predictable; simplify
1636 * emit-rtl.c (split_branch_probability): New global variable.
1637 (try_split): Take care to set split_branch_probability and
1638 create REG_BR_PROB note for new jump insns.
1639 * md.texi (define_split): Document new feature.
1641 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1643 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1645 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1646 (asm_out_file): Remove redundant declaration.
1647 (assemble_asm): Remove old #if 0 block.
1648 (assemble_variable): Remove end of function; debug output is
1649 now handled with global_decl. Remove old #if 0 block. Update.
1650 Remove saved_in_section and associated no-op code.
1651 * Makefile.in (varasm.o): Correct dependencies.
1653 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1655 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1656 the definition in defaults.h.
1658 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1660 * jump.c: Update comments.
1661 (delete_barrier_successors, delete_unreferenced_labels,
1662 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1663 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1664 jump_optimize, jump_optimize_minimal): Kill.
1665 (rebuild_jump_labels): Move code from jump_optimize_1.
1666 (purge_line_number_notes): Likewise.
1667 (copy_loop_headers): Likewise.
1668 * reg-stack.c: Update comment.
1670 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1671 JUMP_AFTER_REGSCAN): Kill.
1672 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1673 purge_line_number_notes and copy_loop_headers.
1675 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1676 Richard Henderson <rth@redhat.com>
1678 * dbxout.c (dbxout_global_decl): New.
1679 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1680 * sdbout.c (sdbout_finish): New.
1681 (sdbout_debug_hooks): Use it, add comments.
1682 (sdbout_global_decl): Defer initialised public vars to
1684 * varasm.c (assemble_variable): Don't output debug information
1685 for file-scope variables.
1687 2001-07-22 Richard Henderson <rth@redhat.com>
1689 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1690 (get_round_mode_suffix): New.
1691 (print_operand): Use them for [/]. Remove support for [&'`()+].
1692 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1693 * config/alpha/alpha.md (attr round_suffix): New.
1694 (attr trap_suffix): New.
1695 (all insns): Set them appropriately. Use %/ instead of the
1698 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1700 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1702 2001-07-22 Richard Henderson <rth@redhat.com>
1704 * regrename.c (regrename_optimize): Compute nregs for each
1705 potential target register.
1707 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1708 Richard Henderson <rth@redhat.com>
1710 * dbxout.c (dbxout_global_decl): New.
1711 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1712 * sdbout.c (sdbout_finish): New.
1713 (sdbout_debug_hooks): Use it, add comments.
1714 (sdbout_global_decl): Defer initialised public vars to
1716 * varasm.c (assemble_variable): Don't output debug information
1717 for file-scope variables.
1719 2001-07-21 H.J. Lu (hjl@gnu.org)
1721 * config/mips/mips.c (mips_cpu): Moved into ...
1722 (override_options): Here.
1724 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1726 (mips_cpu): Removed.
1728 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1730 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1731 ("iorqi3"): Likewise.
1732 ("xorqi3"): Likewise.
1733 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1734 ("*subhi3_sp): Likewise.
1735 ("*subhi3"): Likewise.
1736 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1739 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1741 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1742 * config/freebsd.h: Likewise.
1743 * config/linux.h: Likewise.
1744 * config/openbsd.h: Likewise.
1745 * config/alpha/linux-elf.h: Likewise.
1746 * config/arm/linux-elf.h: Likewise.
1747 * config/d30v/d30v.h: Likewise.
1748 * config/fr30/fr30.h: Likewise.
1749 * config/ia64/aix.h: Likewise.
1750 * config/ia64/ia64.h: Likewise.
1751 * config/mips/linux.h: Likewise.
1752 * config/pj/pj.h: Likewise.
1753 * config/rs6000/linux.h: Likewise.
1754 * config/sparc/linux.h: Likewise.
1755 * config/sparc/linux64.h: Likewise.
1757 2001-07-20 Bruce Korb <bkorb@gnu.org>
1759 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1760 because getc() and char* may disagree on signedness.
1762 2001-07-20 Richard Henderson <rth@redhat.com>
1764 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1766 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1767 insns to delete in the presence of cc0 in a jump insn.
1769 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1770 Jan Hubicka <jh@suse.cz>
1772 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1773 of doing the change by hand.
1775 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1777 * rtlanal.c (set_noop_p): Return true for noop jumps.
1779 * expr.c (emit_single_push_insn): Add call to push expander.
1780 * expr.h (optab_index): Add OTI_push
1781 (push_optab): New constant.
1782 * genopinit.c (optabs): Add push_optab.
1783 * optabs.c (init_optab): Init push optab.
1784 * md.texi (push??1): Document
1786 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1788 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1789 expand to emit the pattern; put a REG_INC note for push/pop
1791 ("movdf", "movdf_internal"): Likewise.
1792 ("movsi", "movsi_internal"): Likewise.
1793 ("movsf", "movsf_internal"): Likewise.
1794 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1796 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1798 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1801 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1803 * params.def: Change default max inline insns to 100.
1805 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1807 * combine.c (combine_simplify_rtx): Generate a new shift operation
1808 when simplifying the first operand of a (neg (ashift)) expression.
1810 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1812 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1814 2001-07-20 Kelley Cook <kelley.cook@home.com>
1816 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1817 information. Move rest into ...
1818 (*-*-solaris): ... here. Eliminate redundant information and
1819 reword necessary packages section. Delete 4.x assembler bug info.
1820 (sparc-sun-*): Merge into ...
1821 (sparc-sun-sunos*): here.
1823 2001-07-20 Catherine Moore <clm@redhat.com>
1825 * config/v850/v850.md (casesi): Generate LABEL_REF
1828 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1830 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1831 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1832 * i386.md (strclrsi expander): Use it.
1834 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1836 * integrate.c (copy_insn_list): handle
1837 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1838 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1839 identically as to CODE_LABEL.
1841 * fold-const (fold): Convert A/B/C to A/(B*C) and
1844 * except.c (connect_post_landing_pads): Delete the RESX insns.
1846 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1848 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1850 * config/mips/mips.md (nmadd/nmsub): Use macro.
1852 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1854 * cppinit.c (remove_dup_dir): Make static.
1855 (remove_dup_dirs): Make static. Only warn about preempting a
1856 system directory with a non-system directory.
1858 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1860 * ifcvt.c (noce_try_store_flag_constants): Correct order
1861 of parameters to trunc_int_for_mode.
1863 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1865 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1866 an exception that will be caught within this function, do not fill
1867 its delay slot with any subsequent instruction.
1869 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1871 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1872 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1873 pointer extension instruction.
1874 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1875 * simplify-rtx.c (simplify_unary_operation) Likewise.
1876 * explow.c (convert_memory_address) Check value of
1877 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1879 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1880 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1881 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1882 Add Multilib Support.
1883 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1884 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1885 Add Multilib Support.
1886 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1888 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1889 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1890 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1892 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1894 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1895 old and new operands in `<', `3' and `b'.
1897 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1899 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1900 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1901 (toplev.o): Don't depend on xcoffout.h.
1902 * c-decl.c: Include debug.h
1903 (duplicate_decls): Use debug hook.
1904 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1905 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1906 (dbxout_types): Remove.
1907 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1908 * debug.c (do_nothing_debug_hooks): Update.
1909 (debug_true_tree, debug_nothing_rtx): New.
1910 * debug.h (struct rtx_def): New.
1911 (struct gcc_debug_hooks): New hooks ignore_block,
1912 outlining_inline_function and label.
1913 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1914 dwarf2out_frame_finish): New.
1915 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1916 Make static, update prototype.
1917 (dwarf2_debug_hooks): Update.
1918 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1919 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1920 * dwarfout.c (dwarf_debug_hooks): Update.
1921 * emit-rtl.c: Include debug.h.
1922 (remove_unnecessary_notes): Use debug hook.
1923 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1924 (final_scan_insn): Use debug hook.
1925 * integrate.c (output_inline_function): Use debug hook.
1926 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1927 (sdb_debug_hooks): Update.
1928 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1929 * toplev.c: Don't include xcoffout.h.
1930 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1931 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1933 * tree.h (dwarf2out_do_frame): Remove.
1935 2001-07-19 Catherine Moore <clm@cygnus.com>
1937 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1939 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1941 * reload1.c (eliminate_regs_in_insn): When updating a set
1942 to the frame pointer to the hardware frame pointer, perform
1943 the update always not just when REPLACE is set.
1945 * reload1.c (choose_reload_regs): Don't inherit a reload
1946 that crosses multiple registers if registers past the first
1947 don't fit in the desired class.
1949 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1950 when negating constants.
1952 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1954 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1955 * doc/tree.texi: Ditto.
1957 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1958 Jakub Jelinek <jakub@redhat.com>
1960 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1961 (extract_cie_info): Handle "eh" augmentation properly,
1963 (struct frame_state, __frame_state_for): New.
1965 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1967 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1968 HANDLE_SYSV_PRAGMA): Define.
1969 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1971 (copy_object): Caller changed.
1973 2001-07-19 Andreas Schwab <schwab@suse.de>
1975 * configure.in (assembler dwarf2 debug_line support): Define nop
1977 * configure: Regenerated.
1979 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1981 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1983 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1984 to conditionally compiled block.
1985 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1986 * dbxout.h (dbxout_function): Remove.
1987 * debug.c (do_nothing_debug_hooks): Update.
1988 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1989 global_decl, deferred_inline_function.
1990 * dwarf2out.c (dwarf2_debug_hooks): Update.
1991 (dwarf2out_global_decl): New.
1992 * dwarfout.c: Don't include dwarfout.h.
1993 (dwarfout_global_decl, dwarfout_function_decl,
1994 dwarfout_deferred_inline_function): New.
1995 (dwarf_debug_hooks): Update.
1996 * dwarfout.h: Remove.
1997 * final.c: Don't include dwarfout.h.
1998 * sdbout.c (sdbout_global_decl): New.
1999 (sdbout_debug_hooks): Update.
2000 * toplev.c: Don't include dwarfout.h.
2001 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2002 (note_deferral_of_defined_inline_function): Remove.
2003 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2004 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2005 * ch/lex.c: Don't include dwarfout.h.
2006 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2007 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2008 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2009 * cp/optimize.c: Include debug.h.
2010 (maybe_clone_body): Use debug hook.
2011 * cp/semantics.c: Include debug.h.
2012 (expand_body): Use debug hook.
2013 * po/POTFILES.in: Remove dwarfout.h.
2015 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2017 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2018 * c-parse.in (yyerror, _yylex): Similarly.
2019 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2020 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2022 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2023 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2025 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2027 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2028 in-class declaration at -g1. Fixes c++/2814.
2030 2001-07-18 Richard Henderson <rth@redhat.com>
2032 * doc/md.texi (reload_in/out): Document restrictions in predicates
2033 and constraints for these patterns. Document empty string matching
2036 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2038 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2040 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2042 * cse.c: Undo my previous patch.
2044 2001-07-18 Tom Tromey <tromey@redhat.com>
2047 * configure: Rebuilt.
2048 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2050 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2052 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2053 Jan Hubicka <jh@suse.cz>
2055 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2056 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2057 * jump.c (mark_jump_label): Do not forward branches.
2059 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2061 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2062 when return value is unused.
2064 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2066 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2068 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2070 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2071 on error. We can't blindly return the result of
2072 pthread_mutex_trylock because it returns a positive number on
2073 error, while we must return -1 on error.
2074 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2076 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2078 2001-07-18 Andreas Jaeger <aj@suse.de>
2080 * integrate.c (output_inline_function): Correct type of debug_hooks.
2082 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2084 * combine.c (combine_simplify_rtx): DIV can be treated
2085 associatively for floats if unsafe math optimisations are enabled.
2087 2001-07-17 Richard Henderson <rth@redhat.com>
2089 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2091 2001-07-17 Richard Henderson <rth@redhat.com>
2093 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2094 don't force the function address into a register.
2095 (expand_call, emit_library_call_value_1): Update callers.
2096 * builtins.c (expand_builtin_apply): Likewise.
2097 * expr.h (prepare_call_address): Update decl.
2099 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2101 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2103 * config/i386/chorus.h: Move up.
2104 * config/sparc/chorus.h: Likewise.
2105 * config/rs6000/chorus.h: Likewise.
2106 * config/chorus.h: Moved here.
2108 2001-07-17 Andreas Schwab <schwab@suse.de>
2110 * configure.in (assembler eh_frame optimization): Handle big
2112 * configure: Regenerated.
2114 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2116 * expr.c (epxand_expr): Convert divisions into multiplications by
2117 reciprocals if -ffast-math.
2119 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2121 * dbxout.c (dbxout_really_begin_function): Rename to
2122 dbxout_begin_function.
2123 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2124 (dbxout_begin_function): Remove.
2125 (dbxout_function): Update.
2126 (dbxout_source_line): Update prototype.
2127 * dbxout.h (dbxout_begin_function): Remove.
2128 * debug.c (do_nothing_debug_hooks): Update.
2129 (debug_nothing_tree): Update.
2130 (debug_nothing_charstar_rtx): Remove.
2131 * debug.h (union tree_node): Declare.
2132 (struct rtx_def): Remove.
2133 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2134 begin_function. Change source_line prototype.
2135 (debug_nothing_tree): New.
2136 (debug_nothing_charstar_rtx): Delete.
2137 (dwarf2out_begin_prologue): Moved from ...
2139 * dwarf2out.c (dwarf2_debug_hooks): Update.
2140 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2141 debug info, call dwarf2out_source_line.
2142 (dwarf2out_souce_line): Update prototype.
2143 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2144 Change prototype, make static.
2145 (dwarfout_source_line): Update prototype.
2146 (dwarf_debug_hooks): Update.
2147 * dwarfout.h (dwarfout_begin_function): Remove.
2148 * final.c (final_start_function, final_scan_insn): Use appropriate
2149 debug hooks, update to use notice_source_line.
2150 (output_source_line): Rename notice_source_line. Don't call the
2151 source_line debug hook.
2152 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2153 make static, update prototype.
2154 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2156 (sdbout_end_prologue): New.
2157 (sdbout_source_line): Update prototype.
2158 (sdbout_debug_hooks): Update.
2159 (sdbout_symbol): Remove unused var.
2160 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2162 * varasm.c: Include debug.h.
2163 (assemble_start_function): Use begin_function debug_hook.
2164 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2165 update with prototype.
2166 (xcoffout_source_line): Update prototype.
2167 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2169 (xcoffout_source_line): Update prototype.
2171 2001-07-17 Richard Henderson <rth@redhat.com>
2173 * c-typeck.c (build_binary_op): Do not shorten unsigned
2174 right shift after sign extension.
2176 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2178 * combine.c (combine_simplify_rtx): Attempt to simplify
2179 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2181 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2182 (simplify_binary_operation, simplify_unary_operation,
2183 simplify_relational_operation): Use it.
2185 * combine.c (combine_simplify_rtx): Don't do associative law
2186 on divisions; allow associative law on floats.
2188 2001-07-17 H.J. Lu <hjl@gnu.org>
2189 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2191 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2192 ASM_OUTPUT_WEAK_ALIAS are defined.
2193 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2194 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2196 * config/mips/iris5.h: ... here.
2197 (HANDLE_SYSV_PRAGMA): Defined as 1.
2198 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2199 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2202 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2204 * c-parse.in (all_prefix_attributes): New variable.
2205 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2206 (maybe_resetattrs): New production.
2207 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2208 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2209 notype_initdcl, nested_function, notype_nested_function,
2210 component_decl, components, components_notype,
2211 component_declarator, component_notype_declarator,
2212 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2213 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2214 after a comma being applied to more than one declarator.
2215 * doc/extend.texi (Attribute Syntax): Update. Remove
2216 documentation of bugs that are no longer present.
2218 2001-07-13 Eric Christopher <echristo@redhat.com>
2220 * config/mips/mips.h: Change TUNE_MIPS* options to use
2222 (EXTRA_SPECS): Add cc1_cpu_spec.
2223 * config/mips/mips.md (muldf3): Fix typo.
2225 2001-07-16 Richard Henderson <rth@redhat.com>
2227 * config/m68k/m68k.c: Include expr.h and reload.h.
2228 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2229 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2231 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2232 Richard Henderson <rth@redhat.com>
2234 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2235 (insn_live_p): Fix fall off end of function.
2236 (dead_libcall_p): Remove COUNTS argument; update callers.
2237 (delete_trivially_dead_insns): Remove unused variables.
2239 2001-07-17 Andreas Jaeger <aj@suse.de>
2241 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2244 * lcm.c (optimize_mode_switching): Avoid warning for unused
2245 variable if !NORMAL_MODE.
2247 * flow.c (try_crossjump_to_edge): Remove unused variable.
2249 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2251 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2252 atexit declaration in stdlib.h.
2254 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2256 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2258 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2260 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2261 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2262 do rebuild_jump_labels instead of jump_optimize
2263 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2264 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2265 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2267 * flow.c: Include timevar.h
2268 (find_basic_block): Push/pop timevar;
2269 (cleanup_cfg): Likewise.
2270 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2271 * Makefile: Add dependencies on timevar.h
2273 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2274 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2276 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2277 * toplev.c (rest_of_compilation): Update calls.
2278 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2279 (delete_trivially_dead_insns): ... here; accept new argument
2280 preserve_basic_blocks; preserve basic blocks if set.
2282 * reg-stack.c (stack_regs_mentioned): Return 0 if
2283 stack_regs_mentioned_data is not initialized.
2284 (reg_to_stack): Make stack_regs_mentioned survive after the
2285 reg-stack is completted; do not call cleanup_cfg.
2286 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2287 make cleanup_cfg after bb-reorder to output to debug file.
2289 2001-07-16 Richard Henderson <rth@redhat.com>
2291 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2292 from int_reg_class_contents.
2294 2001-07-16 Richard Henderson <rth@redhat.com>
2296 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2297 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2298 (init_reg_sets_1): Move initialization from cse_main.
2299 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2300 (cse_main): Move its initialization also.
2301 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2302 * flow.c (propagate_one_insn): Likewise.
2303 * gcse.c (compute_hash_table): Likewise.
2304 (compute_kill_rd, compute_store_table): Likewise.
2305 * sched-deps.c (sched_analyze_1): Likewise.
2307 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2309 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2312 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2314 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2315 in if statement so we don't access undefined memory.
2317 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2319 * gcse.c: Update comment at top.
2320 Update comment on mem handling.
2321 mem_last_set, mem_first_set, mem_set_in_block: gone.
2322 Declaration of reg_set_info: gone.
2323 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2324 pointless with load_killed_in_block_p (they are *more*
2325 conservative then it, not less, and less accurate).
2326 (oprs_not_set_p): Ditto.
2327 (alloc_gcse_mem): Don't allocate mem_set_in_block
2328 (free_gcse_mem): Don't free it, either.
2329 (record_last_mem_set_info): Update comment in front, remove
2330 mem_*set_* stuff. Note the reason we don't handle stores directly
2332 (compute_hash_table): Update comments to reflect reality. Remove
2333 mem_*set_* references.
2334 (reset_opr_set_tables): Remove mem_*set_* references.
2336 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2337 (mark_clobber): Ditto (on both parts, we double set here too).
2338 (expr_killed_p): Remove mem_set_in_block test.
2339 (compute_transp): Remove mem_set_in_block test.
2341 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2342 of edge, and removal of phi alternative to dump file.
2343 (ssa_ccp_substitute_constants): Add note about register now being
2344 constant, and which uses were replaced in what insns to dump file.
2346 2001-07-16 Andreas Jaeger <aj@suse.de>
2348 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2349 variables of type HOST_WIDEST_INT.
2351 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2352 (__bb_exit_func): Correct type of count_max to avoid overflow.
2353 (num_digits): Handle long long argument.
2355 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2357 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2359 * output.h (sdb_begin_function_line): Restore as an extern
2361 * sdbout.c (sdb_begin_function_line): Make extern.
2363 2001-07-15 Richard Henderson <rth@redhat.com>
2365 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2366 * genrecog.c (maybe_both_true_mode): New.
2367 (maybe_both_true_2): Use it.
2368 (write_switch): Don't put Pmode in a switch.
2369 * rtl.c (mode arrays): Don't explicitly size them.
2371 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2373 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2374 handling; move unconditional splitting before mode switching.
2376 * i386.md (type): Add fistp type.
2377 (i387, length_attr, scheduling definitions): Handle this type.
2378 (fix_trunc?f?i2): Revamp to use mode switching.
2379 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2380 * i386.h (fp_cw_mode): New enum
2381 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2382 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2384 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2386 * Makefile.in (integrate.o): Add debug.h.
2387 * integrate.c (debug.h): Add.
2388 (output_inline_function): Save, reset, and restore debug_hooks.
2390 2001-07-15 Richard Henderson <rth@redhat.com>
2392 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2393 instead of COMPARE for the EQUIV expression.
2395 2001-07-15 Richard Henderson <rth@redhat.com>
2397 * flow.c (redirect_edge_and_branch_force): Initialize
2398 global_live_at_start and global_live_at_end.
2399 (allocate_bb_life_data): Export.
2400 * basic-block.h (allocate_bb_life_data): Declare.
2401 * toplev.c (rest_of_compilation): Call it.
2403 2001-07-15 Richard Henderson <rth@redhat.com>
2405 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2406 (alpha_tablejump_best_label): New.
2407 * config/alpha/alpha-protos.h: Declare them.
2408 * config/alpha/alpha.md: Use braced strings for code blocks.
2409 (tablejump_osf): Break out add with r29.
2410 (tablejump_osf_internal): Remove.
2411 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2412 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2414 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2416 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2419 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2421 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2422 (ix86_fp_jump_nontrivial_p): New.
2423 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2424 use ix86_fp_jump_nontrivial_p.
2425 * i386.c (ix86_fp_jump_nontrivial_p): New.
2426 (ix86_split_fp_branch): Accept code instead of rtx.
2427 (ix86_expand_compare): Expand comparison early in case
2428 doing so is resonably cheap.
2430 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2432 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2434 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2435 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2437 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * dbxout.c (dbxout_source_line): Make static, update prototype.
2440 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2441 (dbxout_init, dbxout_finish, dbxout_source_line,
2442 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2443 * dbxout.h (dbxout_source_line): Delete.
2444 * debug.c (debug_nothing_file, debug_nothing_file_int,
2445 debug_nothing_file_charstar_rtx): New.
2446 (do_nothing_debug_hooks): Update.
2447 (debug_nothing_void, debug_nothing_charstar_rtx,
2448 dwarf2out_end_epilogue): New.
2449 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2450 * debug.h (struct rtx_def): Declare.
2451 (gcc_debug_hooks): New hooks source_line, end_epilogue
2453 (debug_nothing_void, debug_nothing_charstar_rtx,
2454 dwarf2out_end_epilogue): New.
2455 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2456 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2457 (dwarf2_debug_hooks): Update.
2458 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2459 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2460 * dwarf2out.h (dwarf2out_source_line): Remove.
2461 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2462 Make static, update prototype.
2463 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2464 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2465 (dwarf_debug_hooks): Update.
2466 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2467 dwarfout_end_function): Remove.
2468 * final.c (profile_function): Use debug hooks for ending functions
2470 (output_source_line, final_end_function): Update prototype,
2472 (final_start_function, final_scan_insn): Update.
2473 * output.h (sdb_begin_function_line): Remove.
2474 (final_end_function): Update prototype.
2475 * sdbout.c (sdb_begin_function_line): Make static.
2476 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2477 (sdbout_source_line): New.
2478 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2480 (sdb_debug_hooks): Update.
2481 (sdbout_init, sdbout_source_line,
2482 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2483 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2484 * toplev.c (compile_file, rest_of_compilation): Update.
2485 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2486 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2487 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2488 Update for prototype changes.
2489 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2490 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2492 2001-07-15 Richard Henderson <rth@redhat.com>
2494 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2495 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2496 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2497 * config/alpha/alpha.c: Likewise.
2498 * config/alpha/alpha.md: Likewise.
2499 * config/alpha/alpha32.h: Likewise.
2500 * config/alpha/vms.h: Likewise.
2503 2001-07-14 Richard Henderson <rth@redhat.com>
2505 * config/alpha/alpha.md: Use define_constants for unspec values.
2506 Substitute throughout.
2508 2001-07-14 Tim Josling <tej@melbpc.org.au>
2510 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2512 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2514 * pa.md: Remove unused constraints from define_split's.
2516 2001-04-14 Richard Henderson <rth@redhat.com>
2518 * ifcvt.c (find_cond_trap): Test for exit block.
2520 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2522 Re-install recently reverted patch.
2523 * emit-rtl.c (try_split): Update mark_jump_label call.
2524 * flow.c (find_sub_basic_blocks): Likewise.
2525 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2527 (mark_all_labels): Kill second parameter.
2528 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2529 (rebuild_jump_labels, jump_optimize_minimal): Update call
2531 (jump_optimize_1): Kill crossjumping code.
2532 (mark_jump_label): Kill cross_jump parameter.
2533 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2534 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2535 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2537 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2539 (dump_file_info): Likewise.
2540 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2541 reorganize passes to do reg-stack first, bb-reorder second.
2542 * invoke.texi (-d letters doc): Remove the jump2 pass.
2544 2001-07-14 Richard Henderson <rth@redhat.com>
2546 * ifcvt.c (find_cond_trap): New.
2547 (find_if_header): Call it.
2548 (merge_if_block): Relax existing jump sanity check.
2549 * jump.c (jump_optimize_1): Remove conditional trap handling.
2551 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2553 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2555 (insn_refs_are_delayed): Correct comment.
2556 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2557 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2558 instead of r31. Make associated insn !TARGET_64BIT, and
2559 provide an additional 64-bit insn that clobbers r2.
2561 (udivsi3): Likewise.
2563 (umodsi3): Likewise.
2565 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2567 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2569 * flow.c (redirect_edge_and_branch_force, split_edge,
2570 try_crossjump_to_edge): Use set_block_for_new_insns.
2571 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2573 2001-07-13 H.J. Lu (hjl@gnu.org)
2575 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2578 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2580 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2582 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2584 * c-common.c (decl_attributes): Take a pointer to the node to
2585 which attributes are to be attached, and a flags argument.
2586 * c-common.h (enum attribute_flags): New.
2587 (decl_attributes): Update prototype.
2588 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2589 finish_enum, start_function): Update calls to decl_attributes.
2590 * c-parse.in (component_declarator, component_notype_declarator,
2591 label): Update calls to decl_attributes.
2593 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2595 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2596 * config/avr/avr.c (legitimate_address_p): Return value changed
2597 from letter to register classes. For better debugging.
2599 2001-07-13 Kazu Hirata <kazu@hxi.com>
2601 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2603 2001-07-13 H.J. Lu (hjl@gnu.org)
2605 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2607 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2609 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2610 correctly for shared configurations.
2611 * config/t-libgcc-pic: New.
2612 * config/{i386,m68k,sparc}/t-openbsd: New.
2613 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2614 Support -shared. Support debugging libraries with -g.
2615 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2616 frame information does not emit pointer diffs.
2617 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2620 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2622 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2624 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2626 * combine.c (try_combine): Ensure const_int pow2 is positive.
2628 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2630 * config.gcc: Add configuration for s/390.
2631 * config/s390/s390.c: New. Subroutines for code generation.
2632 * config/s390/s390.h: New. Definitions for s/390.
2633 * config/s390/s390-protos.h: New. Prototypes.
2634 * config/s390/linux.h: New. Definitions for linux for s/390.
2635 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2636 * config/s390/t-linux: New. Makefile fragment.
2637 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2638 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2640 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2642 * emit-rtl.c (try_split): Update mark_jump_label call.
2643 * flow.c (find_sub_basic_blocks): Likewise.
2644 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2646 (mark_all_labels): Kill second parameter.
2647 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2648 (rebuild_jump_labels, jump_optimize_minimal): Update call
2650 (jump_optimize_1): Kill crossjumping code.
2651 (mark_jump_label): Kill cross_jump parameter.
2652 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2653 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2654 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2656 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2658 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2659 reorganize passes to do reg-stack first, bb-reorder second.
2660 * invoke.texi (-d letters doc): Remove the jump2 pass.
2662 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2664 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2666 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2668 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2670 (verify_flow_info): Make diagnostics prettier.
2672 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2674 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2676 * flow.c (outgoing_edges_match): Return early if condition reversal
2679 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2681 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2682 (mips_move_2words): When splitting a move into two instructions,
2683 prefix the second address operand with '%D'.
2685 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2687 * Makefile.in (final.o): Depend on debug.h.
2688 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2689 (dbx_debug_hooks): Add new hooks.
2690 (xcoff_debug_hooks): New.
2691 * debug.c (debug_nothing_file_int_int): New.
2692 (do_nothing_debug_hooks): Update.
2693 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2694 (debug_nothing_file_int_int): New.
2695 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2696 static, update prototype.
2697 (dwarf2_debug_hooks): Update.
2698 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2699 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2700 static, update prototype.
2701 (dwarf_debug_hooks): Update.
2702 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2703 * final.c: Include debug.h.
2704 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2705 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2706 static, update prototype.
2707 (sdb_debug_hooks): Update.
2708 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2709 * toplev.c: Distinguish between xcoff and dbx.
2711 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2712 Call all debug hooks, not just dwarf ones.
2714 2001-07-11 Timothy Wall <twall@redhat.com>
2716 * config.gcc: Add configuration for AIX5/IA64.
2717 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2718 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2719 support prefix/suffix code.
2720 * config/ia64/t-aix: New. Makefile fragment.
2721 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2723 2001-07-11 Kazu Hirata <kazu@hxi.com>
2725 * recog.c (validate_change): Fix a comment typo.
2727 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2730 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2732 * dbxout.c (dbx_debug_hooks): Add new hooks.
2733 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2735 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2737 * dbxout.h (dbxout_start_new_source_file,
2738 dbxout_resume_previous_source_file): Delete.
2739 * debug.c (do_nothing_debug_hooks): Add new hooks.
2740 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2741 (debug_nothing_int_charstar, debug_nothing_int): New.
2742 * debug.h (gcc_debug_hooks): New hooks define, undef,
2743 start_source_file and end_source_file.
2744 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2745 (debug_nothing_int_charstar, debug_nothing_int): New.
2746 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2747 the conditionally compiled section.
2748 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2749 dwarf2out_define, dwarf2out_undef): Make static.
2750 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2751 dwarf2out_define, dwarf2out_undef): Remove.
2752 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2753 (dwarfout_start_source_file, dwarfout_end_source_file,
2754 dwarfout_define, dwarfout_undef): Make static.
2755 (dwarfout_start_source_file_check,
2756 dwarfout_end_source_file_check): New.
2757 (dwarfout_define, dwarfout_finish): Update.
2758 * dwarfout.h (dwarfout_start_new_source_file,
2759 dwarfout_resume_previous_source_file, dwarfout_define,
2760 dwarfout_undef): Remove.
2761 * sdbout.c (sdb_debug_hooks): Add new hooks.
2762 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2764 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2765 make static, take an arg.
2766 * sdbout.h (sdbout_start_new_source_file,
2767 sdbout_resume_previous_source_file): Delete.
2768 * toplev.c (debug_start_source_file, debug_end_source_file,
2769 debug_define, debug_undef): Delete.
2770 * toplev.h (debug_start_source_file, debug_end_source_file,
2771 debug_define, debug_undef): Delete.
2773 * java/jcf-parse.c: Include debug.h.
2774 (parse_class_file): Update to use debug hooks directly.
2775 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2777 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * alias.c (set_mem_alias_set): New function.
2780 * rtl.h (set_mem_alias_set): Declare it.
2781 * builtins.c (expand_builtin_return_addr): Call it instead of
2782 using MEM_ALIAS_SET accessor.
2783 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2784 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2785 (expand_builtin_va_copy):Likewise.
2786 * caller-save.c (setup_save_areas): Likewise.
2787 * calls.c (compute_argument_addresses): Likewise.
2788 * explow.c (set_mem_attributes): Likewise.
2789 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2790 (expand_assignment, store_constructor_field, store_field): Likewise.
2791 (expand_expr_unaligned): Likewise.
2792 * function.c (assign_stack_temp_for_type): Likewise.
2793 (put_reg_into_stack, gen_mem_addressof): Likewise.
2794 * ifcvt.c (noce_try_cmove_arith): Likewise.
2795 * reload1.c (reload, alter_reg): Likewise.
2796 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2797 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2798 (alpha_expand_unaligned_store): Likewise
2799 (alpha_expand_unaligned_load_words): Likewise.
2800 (alpha_expand_unaligned_store_words): Likewise.
2801 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2802 (alpha_expand_epilogue): Likewise.
2803 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2804 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2805 * config/i386/i386.c (legitimize_pic_address): Likewise.
2806 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2807 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2808 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2809 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2810 * config/mips/mips.c (mips_va_arg): Likewise.
2811 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2812 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2813 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2814 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2815 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2816 (rs6000_emit_epilogue): Likewise.
2817 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2818 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2819 * config/v850/v850.c (v850_va_arg): Likewise.
2821 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2823 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2824 when fallthru edge is present.
2825 (mege_blocks): Handle case where creation of jump insn
2828 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2829 CLEANUP_POST_REGSTACK): New constants.
2830 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2831 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2832 * output.h (cleanup_cfg): Update prototype.
2833 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2834 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2835 cleanup_cfg call; kill missleading comment.
2836 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2837 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2838 parameter; control optimizations performed using it.
2839 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2840 try_crossjump_bb): New functions.
2842 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2844 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2846 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2847 pa_output_function_prologue.
2848 * pa-protos.h (pa_output_function_prologue): New prototype.
2850 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2852 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2853 and low to get correct sign extension in low+high test.
2855 2001-07-11 Janis Johnson <janis@us.ibm.com>
2857 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2858 for large hit count.
2860 * profile.c (branch_prob): Fix .bbg info for computed gotos
2863 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2865 * stmt.c (parse_output_constraint): New function, split out
2867 (expand_asm_operands): ... here. Use parse_output_constraint.
2868 * tree.h (parse_output_constraint): Declare it.
2870 2001-07-11 Richard Henderson <rth@redhat.com>
2872 * bitmap.c: Comment some functions; fiddle whitespace.
2873 (bitmap_free): Don't export.
2874 (bitmap_element_allocate): Use memset.
2875 * bitmap.h (bitmap_free): Don't declare.
2877 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2879 * gcse.c, lcm.c, sched-deps.c:
2880 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2882 * flow.c (flow_loops_find): Free dom if we found no loops, since
2883 we aren't going to save it.
2885 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2888 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2890 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2892 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2894 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2895 #ifndef DWARF2_DEBUGGING_INFO.
2897 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2899 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2901 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2903 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2904 reverse a branch if a NE comparison is implemented with GTU.
2906 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2907 H.J. Lu <hjl@gnu.org>
2909 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2911 (call_internal2): Likewise.
2912 (call_value_internal1): Likewise.
2913 (call_value_internal2): Likewise.
2914 (call_value_multiple_internal1): Likewise.
2915 (call_value_multiple_internal2): Likewise.
2917 2001-07-10 Kazu Hirata <kazu@hxi.com>
2919 * calls.c (emit_library_call_value_1): Fix a comment typo.
2920 * dwarf2out.c (mem_loc_descriptor): Likewise.
2921 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2923 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2925 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2927 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2929 * recog.c (offsettable_address_p): Handle LO_SUM case.
2930 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2931 instead of plus_constant.
2933 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2935 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2936 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2938 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2940 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2941 adjust_address_nv instead of plus_constant.
2943 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2945 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2946 dwarf2out.o): Depend on debug.h, wrap long lines.
2947 * dbxout.c: Include debug.h.
2948 (dbx_debug_hooks): New.
2949 (dbxout_init): Make static, take just 2 args.
2950 (dbxout_finish): Make static.
2951 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2952 * debug.c: New file.
2953 * debug.h: New file.
2954 * dwarf2out.c: Include debug.h.
2955 (dwarf2_debug_hooks): New.
2956 (dwarf2out_init): Make static.
2957 (dwarf2out_finish): Make static, take 2 args.
2958 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2959 * dwarfout.c: Include debug.h.
2960 (dwarf_debug_hooks): New.
2961 (dwarfout_init): Make static.
2962 (dwarfout_finish): Make static, take 2 args.
2963 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2964 * sdbout.c: Include debug.h.
2965 (sdb_debug_hooks): New.
2966 (sdbout_init): Make static, take 2 args.
2967 * sdbout.h (sdbout_init): Delete.
2968 * toplev.c: Include debug.h.
2970 (compile_file): Set deubg_hooks based on command line options.
2971 Use the hooks unconditionally rather than conditional compilation.
2973 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2975 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2976 first_insn_after_basic_block_note instead.
2978 * df.c (df_bb_refs_unlink): #if 0 out for now.
2980 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2982 * ssa.h: Add prototype for ssa_const_prop
2983 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2984 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2985 (ssa_fast_dce): Remove unused variable
2987 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2989 * diagnostic.c (finish_diagnostic): Rename to
2990 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2993 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2995 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2998 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2999 (dump_file): Only pad the demangled name with spaces if the
3000 mangled name was padded with spaces.
3002 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3004 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3007 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3009 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3010 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3013 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3014 whether can put offset inside LO_SUM to check mode alignment, not size.
3016 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3018 * doc/tm.texi (Misc): Fix thinko.
3020 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3022 * regmove.c (replace_in_call_usage): Fix warnings.
3023 * sched-deps.c (add_dependence): Fix warnings.
3024 * simplify-rtx.c (simplify_subreg): Likewise.
3025 Return NULL_RTX instead of NULL.
3027 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3028 (subst_asm_stack_regs): Likewise.
3030 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3033 * dwarf2out.c (output_call_frame_info): Declare i as int.
3034 (build_abbrev_table): Declare n_alloc as int.
3035 (dwarf2out_finish): Initialize die.
3036 * except.c: Declare sjlj_funcdef_number as unsigned.
3037 (connect_post_landing_pads): Declare j as unsigned.
3038 (convert_to_eh_region_ranges): Initialize call_site.
3039 (output_function_exception_table): Initialize tt_format_size.
3040 * expr.c (move_by_pieces_1): Initialize to1.
3041 (store_constructor): Initialize minelt and maxelt.
3042 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3043 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3045 * c-decl.c (combine_parm_decls): Unused, remove.
3046 * c-tree.h: Remove prototype for combine_parm_decls.
3048 * reload.c (push_reload): Fix warning.
3049 (regno_clobbered_p): Likewise.
3050 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3051 (reload_combine): Likewise.
3053 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3054 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3056 * bitmap.c (bitmap_operation): Change user.
3057 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3059 2001-07-10 Eric Christopher <echristo@redhat.com>
3061 * config/mips/mips.c (override_options): Fix typo.
3063 2001-07-09 Stan Shebs <shebs@apple.com>
3065 * target.h (struct gcc_target): New fields init_builtins and
3067 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3068 (TARGET_EXPAND_BUILTIN): New macro.
3069 (TARGET_INITIALIZER): Add them.
3070 * builtins.c: Include target.h.
3071 (expand_builtin): Use targetm.expand_builtin.
3072 (default_init_builtins): New function.
3073 (default_expand_builtin): New function.
3074 * expr.h (default_init_builtins): Declare.
3075 (default_expand_builtin): Declare.
3076 * c-common.c (c_common_nodes_and_builtins): Use
3077 targetm.init_builtins.
3078 * defaults.h (MD_INIT_BUILTINS): Remove.
3079 * Makefile.in (builtins.o): Depend on target.h.
3081 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3082 (TARGET_EXPAND_BUILTIN): Define.
3083 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3084 (MD_EXPAND_BUILTIN): Remove.
3086 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3087 (TARGET_EXPAND_BUILTIN): Define.
3088 (c4x_init_builtins): Make endlink arg a local.
3089 (c4x_print_operand): Fix typos in adjust_address usages.
3090 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3091 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3092 (MD_EXPAND_BUILTIN): Remove.
3094 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3095 (TARGET_EXPAND_BUILTIN): Define.
3096 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3097 (ix86_init_builtins): Call new function only if TARGET_MMX.
3098 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3099 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3100 (MD_EXPAND_BUILTIN): Remove.
3102 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3103 (TARGET_EXPAND_BUILTIN): Define.
3104 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3105 (MD_EXPAND_BUILTIN): Remove.
3107 * doc/tm.texi: Document these changes.
3109 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3111 * basic-block.h (tree_node): Forward declare if needed.
3112 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3113 (BLOCK_HEAD_TREE): Define.
3114 (BLOCK_END_TREE): Define.
3115 (struct loops): Rename field 'tree' to 'tree_root'.
3116 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3118 (flow_loops_tree_build): Rename reference to field 'tree' to
3120 (flow_loops_level_compute): Ditto.
3121 * predict.c (estimate_bb_frequencies): Ditto.
3122 * tree.h (struct tree_common): Add field 'aux'.
3124 2001-07-09 Stan Shebs <shebs@apple.com>
3126 * config/darwin.c (darwin_encode_section_info): Don't mark any
3127 DECL_EXTERNAL node as defined.
3129 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3131 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3132 pa_free_machine_status, hppa_init_pic_save): Delete.
3133 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3134 (hppa_profile_hook): Use hppa_pic_save_rtx.
3135 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3136 hppa_init_pic_save): Delete.
3137 (hppa_pic_save_rtx): Declare.
3138 * pa.md (call, call_value, sibcall, sibcall_value,
3139 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3141 2001-07-09 Kazu Hirata <kazu@hxi.com>
3143 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3144 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3146 2001-07-09 Andreas Jaeger <aj@suse.de>
3148 * output.h: Add declaration of final_forward_branch_p.
3150 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3152 * varray.c: Include errors.h for internal_error and trim_filename
3155 * Makefile.in (varray.o): Add errors.h.
3157 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3159 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3160 * optabs.c (have_add2_insn): Check whether the add insn chosen
3161 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3162 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3164 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3166 * Makefile.in (OBJS): Add ssa-ccp.o
3167 (ssa-ccp.o): Add dependencies.
3168 * toplev.c (DFI_ssa_ccp): New dump file enum.
3169 (dump_file): Add entry for dumping after SSA CCP.
3170 (flag_ssa_ccp): New flag variable.
3171 (f_options): Add -fssa-ccp.
3172 (rest_of_compilation): Run SSA CCP if requested.
3173 * timevar.def (TV_SSA_CCP): New timevar.
3174 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3175 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3176 Fix minor typo in SSA DCE documentation.
3177 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3178 Add documentation for new dump option. Renumber dump files
3181 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3183 * emit-rtl.c (gen_highpart_mode): New.
3184 * rtl.h (gen_highpart_mode): Declare.
3185 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3186 operand can be VOIDmode constant.
3188 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3190 * flow.c (redirect_edge_and_branch_force): New.
3191 (can_fallthru): Ensure that basic blocks are succeeding.
3192 (try_optimize_cfg): Do not delete basic block if it is the last one.
3194 * flow.c (try_redirect_by_replacing_jump): Do not remove
3195 jumps with side effects, unlink chain on fallthru edge;
3196 set block for new jump instruction; avoid basic block to
3197 over by line number note.
3199 * flow.c (try_simplify_condjump): Verify that the condjump
3200 is not always falling trought.
3203 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3205 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3206 (try_redirect_by_replacing_jump): Update properly the count
3207 and frequency information.
3209 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3211 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3212 address that is a LO_SUM specially.
3213 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3215 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3217 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3218 (operand_subword): Use them.
3219 (change_address_1): Renamed from change_address; new arg VALIDATE.
3220 * expr.h: Reflect above changes; change_address now macro.
3221 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3223 * cselib.c (add_mem_for_addr): Likewise.
3224 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3225 * regmove.c (try_apply_stack_adjustment): Likewise.
3226 * reload.c (push_reload, make_memloc): Likewise.
3227 * reload1.c (eliminate_regs): Likewise.
3228 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3229 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3231 * combine.c (make_extraction, simplify_shift_const): Likewise.
3232 (gen_lowpart_for_combine): Likewise.
3233 * cse.c (gen_lowpart_if_possible): Likewise.
3234 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3235 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3236 * optabs.c (gen_move_insn): Likewise.
3237 * reload1.c (alter_reg): Likewise.
3238 * simplify-rtx.c (simplify_subreg): Likewise.
3239 * stmt.c (expand_anon_union_decl): Likewise.
3240 * recog.c (validate_replace_rtx_1): Likewise.
3242 * Makefile.in (recog.o): Add $(EXPR_H).
3243 * explow.c (stabilize): Call replace_equiv_address.
3244 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3245 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3247 2001-07-03 Andrew Haley <aph@redhat.com>
3249 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3250 the mode of the memory location.
3252 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3254 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3256 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * final.c (output_addr_const): Use target opening and
3259 closing parentheses.
3260 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3261 defaults, add to TARGET_ASM_OUT.
3262 * target.h (struct gcc_target): Add open_paren and close_paren.
3263 * doc/md.texi: Update.
3264 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3265 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3266 TARGET_ASM_CLOSE_PAREN.
3267 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3269 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3271 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3272 * config/a29k/a29k.h: Similarly.
3273 * config/alpha/alpha.h: Similarly.
3274 * config/arc/arc.h: Similarly.
3275 * config/arm/aof.h: Similarly.
3276 * config/arm/aout.h: Similarly.
3277 * config/avr/avr.h: Similarly.
3278 * config/c4x/c4x.h: Similarly.
3279 * config/clipper/clipper.h: Similarly.
3280 * config/convex/convex.h: Similarly.
3281 * config/d30v/d30v.h: Similarly.
3282 * config/dsp16xx/dsp16xx.h: Similarly.
3283 * config/elxsi/elxsi.h: Similarly.
3284 * config/fr30/fr30.h: Similarly.
3285 * config/h8300/h8300.h: Similarly.
3286 * config/i370/i370.h: Similarly.
3287 * config/i386/i386.h: Similarly.
3288 * config/i860/i860.h: Similarly.
3289 * config/i960/i960.h: Similarly.
3290 * config/ia64/ia64.h: Similarly.
3291 * config/m32r/m32r.h: Similarly.
3292 * config/m68hc11/m68hc11.h: Similarly.
3293 * config/m68k/m68k.h: Similarly.
3294 * config/m88k/m88k.h: Similarly.
3295 * config/mcore/mcore.h: Similarly.
3296 * config/mips/mips.h: Similarly.
3297 * config/mn10200/mn10200.h: Similarly.
3298 * config/mn10300/mn10300.h: Similarly.
3299 * config/ns32k/ns32k.h: Similarly.
3300 * config/pa/pa.h: Similarly.
3301 * config/pdp11/pdp11.h: Similarly.
3302 * config/pj/pj.h: Similarly.
3303 * config/romp/romp.h: Similarly.
3304 * config/rs6000/rs6000.h: Similarly.
3305 * config/sh/sh.h: Similarly.
3306 * config/sparc/sparc.h: Similarly.
3307 * config/v850/v850.h: Similarly.
3308 * config/vax/vax.h: Similarly.
3309 * config/we32k/we32k.h: Similarly.
3311 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3313 * doc/c-tree.texi: Document representation of attributes.
3315 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3317 * doc/tm.texi: Update some places for the rename of target to
3320 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3322 * target.h (struct gcc_target): Add insert_attributes.
3323 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3324 (TARGET_INITIALIZER): Update.
3325 * tree.c, tree.h (default_insert_attributes): New function.
3326 Update comments on other default functions to refer to targetm,
3328 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3329 TARGET_INSERT_ATTRIBUTES.
3330 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3331 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3332 Don't use PRAGMA_INSERT_ATTRIBUTES.
3333 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3334 * c-decl.c (start_decl, start_function): Don't call
3335 SET_DEFAULT_DECL_ATTRIBUTES.
3336 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3337 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3339 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3340 (c4x_check_attribute): Avoid modifying attribute list itself.
3341 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3343 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3344 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3346 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3347 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3349 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3350 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3352 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3353 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3354 Adjust parameters. Make static.
3356 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3358 * c-common.c (decl_attributes): Only take a single attributes
3360 * c-common.h (decl_attributes): Update prototype.
3361 * c-decl.c (start_decl, start_function): Only take a single
3362 attributes parameter. Update calls to decl_attributes.
3363 (finish_struct, finish_enum): Update calls to decl_attributes.
3364 (push_parm_decl): Expect unified list of attributes. Update call
3366 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3367 notype_nested_function, component_declarator,
3368 component_notype_declarator, label): Update calls to
3370 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3371 lists that are passed to push_parm_decl.
3372 * c-tree.h (start_function, start_decl): Update prototypes.
3373 * config/sh/sh-protos.h, config/sh/sh.c
3374 (sh_pragma_insert_attributes): Only take a single attributes
3376 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3377 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3378 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3379 build_module_descriptor, generate_static_references,
3380 generate_strings, build_selector_translation_table,
3381 generate_descriptor_table, generate_protocols,
3382 generate_ivars_list, generate_dispatch_table,
3383 generate_protocol_list, generate_category,
3384 generate_shared_structures, really_start_method, add_objc_decls,
3385 generate_classref_translation_entry): Update calls to start_decl
3387 (build_tmp_function_decl, start_method_def): Unify attribute lists
3388 that are passed to push_parm_decl.
3390 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3392 * final.c (no_asm_to_stream): New.
3393 (final_scan_insn): Use target structures for prologue ends
3394 and epilogue starts.
3395 * output.h (no_asm_to_stream): New.
3396 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3397 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3398 (TARGET_ASM_OUT): Update.
3399 * target.h (struct gcc_target): New members function_end_prologue
3400 and function_begin_epilogue.
3401 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3402 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3403 * config/alpha/alpha.c (output_end_prologue): Rename to
3404 alpha_output_function_end_prologue. Use in target struct
3406 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3407 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3408 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3409 ia64_output_function_end_prologue. Use in target struct
3411 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3412 mistyped prototypes.
3413 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3414 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3416 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3417 an use in target struct, make static.
3418 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3421 2001-07-08 Richard Henderson <rth@redhat.com>
3423 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3425 2001-07-08 Richard Henderson <rth@redhat.com>
3427 * config/i386/i386.md: Remove constraints strings from define_split
3428 and define_peephole2 patterns.
3429 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3430 (eh_return): Use them.
3432 2001-07-08 Richard Henderson <rth@redhat.com>
3434 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3435 Document MD_FALLBACK_FRAME_STATE_FOR.
3437 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3439 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3440 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3442 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3444 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3446 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3447 of the label inside NAME as opposed to just the end of NAME.
3449 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3451 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3452 * config/alpha/alpha.c (alpha_init_machine_status,
3453 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3454 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3455 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3456 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3458 2001-07-06 Stan Shebs <shebs@apple.com>
3460 * target.h (targetm): Rename global from "target", so as not to
3461 conflict with local variables.
3463 * c-typeck.c: Ditto.
3467 * cp/decl2.c: Ditto.
3468 * cp/typeck.c: Ditto.
3469 * 1750a/1750a.c: Ditto.
3470 * a29k/a29k.c: Ditto.
3474 * clipper/clipper.c: Ditto.
3475 * convex/convex.c: Ditto.
3476 * d30v/d30v.c: Ditto.
3477 * dsp16xx/dsp16xx.c: Ditto.
3478 * elxsi/elxsi.c: Ditto.
3479 * fr30/fr30.c: Ditto.
3480 * h8300/h8300.c: Ditto.
3481 * i370/i370.c: Ditto.
3482 * i386/i386.c: Ditto.
3483 * i860/i860.c: Ditto.
3484 * i960/i960.c: Ditto.
3485 * ia64/ia64.c: Ditto.
3486 * m32r/m32r.c: Ditto.
3487 * m68hc11/m68hc11.c: Ditto.
3488 * m68k/m68k.c: Ditto.
3489 * m88k/m88k.c: Ditto.
3490 * mips/mips.c: Ditto.
3491 * ns32k/ns32k.c: Ditto.
3493 * pdp11/pdp11.c: Ditto.
3494 * romp/romp.c: Ditto.
3495 * rs6000/rs6000.c: Ditto.
3497 * sparc/sparc.c: Ditto.
3499 * we32k/we32k.c: Ditto.
3500 * doc/tm.texi: Update the manual to match.
3502 2001-07-06 Richard Henderson <rth@redhat.com>
3504 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3505 DWARF2_UNWIND_INFO not just whether it is defined.
3507 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3509 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3510 call to simplify_binary_operation returns a new pattern.
3512 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3514 * glimits.h (__SHRT_MAX__): New.
3515 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3516 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3518 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3520 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3523 2001-07-06 Richard Henderson <rth@redhat.com>
3525 * bitmap.c (bitmap_release_memory): Move adjacent to the
3526 allocation functions.
3527 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3528 the implementation. Binary search for the set bit.
3529 (bitmap_union_of_diff): Allocate the temporary on the stack
3530 instead of using xmalloc.
3532 2001-07-06 Richard Henderson <rth@redhat.com>
3534 * genrecog.c (validate_pattern): Warn for constraints in
3535 define_{expand,split,peephole2}. Remove strict_low_part
3536 before looking up match_dup.
3538 2001-07-06 DJ Delorie <dj@redhat.com>
3540 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3541 chapter about various build hints and history. Add section
3542 talking about the various types of native and cross builds.
3544 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3546 * Makefile.in (final.o): Depend on target.h.
3547 * final.c: Include target.h.
3548 (default_function_pro_epilogue): New.
3549 (final_start_function): Use target structure for function prologues.
3550 (final_end_function): Use target structure for function epilogues.
3551 * fold-const.c (real_hex_to_f): Constify s and p.
3552 * output.h (default_function_pro_epilogue): New.
3553 * real.h (real_hex_to_f): Update prototype.
3554 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3555 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3556 (TARGET_INITIALIZER): Update.
3557 * target.h (gcc_target): Add struct asm_out.
3558 * doc/tm.texi: Update.
3561 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3562 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3563 in cpu/cpu.c, or rename old functions consistently. Take
3564 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3565 redundant macros and prototypes. Make new functions static.
3567 * 1750a/1750a.c: Similarly.
3568 * 1750a/1750a.h: Similarly.
3569 * a29k/a29k-protos.h: Similarly.
3570 * a29k/a29k.c: Similarly.
3571 * a29k/a29k.h: Similarly.
3572 * arc/arc-protos.h: Similarly.
3573 * arc/arc.c: Similarly.
3574 * arc/arc.h: Similarly.
3575 * arm/arm-protos.h: Similarly.
3576 * arm/arm.c: Similarly.
3577 * arm/arm.h: Similarly.
3578 * avr/avr-protos.h: Similarly.
3579 * avr/avr.c: Similarly.
3580 * avr/avr.h: Similarly.
3581 * clipper/clipper-protos.h: Similarly.
3582 * clipper/clipper.c: Similarly.
3583 * clipper/clipper.h: Similarly.
3584 * convex/convex.c: Similarly.
3585 * convex/convex.h: Similarly.
3586 * d30v/d30v-protos.h: Similarly.
3587 * d30v/d30v.c: Similarly.
3588 * d30v/d30v.h: Similarly.
3589 * d30v/d30v.md: Similarly.
3590 * dsp16xx/dsp16xx-protos.h: Similarly.
3591 * dsp16xx/dsp16xx.c: Similarly.
3592 * dsp16xx/dsp16xx.h: Similarly.
3593 * elxsi/elxsi.c: Similarly.
3594 * elxsi/elxsi.h: Similarly.
3595 * fr30/fr30.c: Similarly.
3596 * fr30/fr30.md: Similarly.
3597 * h8300/h8300-protos.h: Similarly.
3598 * h8300/h8300.c: Similarly.
3599 * h8300/h8300.h: Similarly.
3600 * i370/i370-protos.h: Similarly.
3601 * i370/i370.c: Similarly.
3602 * i370/i370.h: Similarly.
3603 * i386/i386.c: Similarly.
3604 * i386/osf1elf.h: Similarly.
3605 * i386/osfrose.h: Similarly.
3606 * i860/i860-protos.h: Similarly.
3607 * i860/i860.c: Similarly.
3608 * i860/i860.h: Similarly.
3609 * i960/i960-protos.h: Similarly.
3610 * i960/i960.c: Similarly.
3611 * i960/i960.h: Similarly.
3612 * ia64/ia64-protos.h: Similarly.
3613 * ia64/ia64.c: Similarly.
3614 * ia64/ia64.h: Similarly.
3615 * m32r/m32r-protos.h: Similarly.
3616 * m32r/m32r.c: Similarly.
3617 * m32r/m32r.h: Similarly.
3618 * m68hc11/m68hc11-protos.h: Similarly.
3619 * m68hc11/m68hc11.c: Similarly.
3620 * m68hc11/m68hc11.h: Similarly.
3621 * m68k/crds.h: Similarly.
3622 * m68k/dpx2.h: Similarly.
3623 * m68k/m68k-protos.h: Similarly.
3624 * m68k/m68k.c: Similarly.
3625 * m68k/m68k.h: Similarly.
3626 * m68k/news.h: Similarly.
3627 * m88k/m88k-protos.h: Similarly.
3628 * m88k/m88k.c: Similarly.
3629 * m88k/m88k.h: Similarly.
3630 * mips/mips-protos.h: Similarly.
3631 * mips/mips.c: Similarly.
3632 * mips/mips.h: Similarly.
3633 * ns32k/merlin.h: Similarly.
3634 * ns32k/ns32k.c: Similarly.
3635 * ns32k/ns32k.h: Similarly.
3636 * ns32k/tek6000.h: Similarly.
3637 * pa/pa-protos.h: Similarly.
3638 * pa/pa.c: Similarly.
3639 * pa/pa.h: Similarly.
3640 * pdp11/2bsd.h: Similarly.
3641 * pdp11/pdp11-protos.h: Similarly.
3642 * pdp11/pdp11.c: Similarly.
3643 * pdp11/pdp11.h: Similarly.
3644 * romp/romp-protos.h: Similarly.
3645 * romp/romp.c: Similarly.
3646 * romp/romp.h: Similarly.
3647 * rs6000/rs6000-protos.h: Similarly.
3648 * rs6000/rs6000.c: Similarly.
3649 * rs6000/rs6000.h: Similarly.
3650 * rs6000/sysv4.h: Similarly.
3651 * sh/sh-protos.h: Similarly.
3652 * sh/sh.c: Similarly.
3653 * sh/sh.h: Similarly.
3654 * sparc/sparc-protos.h: Similarly.
3655 * sparc/sparc.c: Similarly.
3656 * sparc/sparc.h: Similarly.
3657 * vax/vax.c: Similarly.
3658 * vax/vax.h: Similarly.
3659 * vax/vms.h: Similarly.
3660 * we32k/we32k.c: Similarly.
3661 * we32k/we32k.h: Similarly.
3663 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3665 * basic-block.h (first_insn_after_basic_block_note): Declare.
3666 * flow.c (first_insn_after_basic_block_note): Define. Moved
3668 * ssa.c (first_insn_after_basic_block_note): Remove.
3669 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3671 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3672 nodes when we find a dead conditional branch. Insert BARRIERs
3673 after any blocks with no successors, but which do not have
3676 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3678 * varray.c (varray_check_failed): Use internal_error.
3680 2001-07-05 Andrew Haley <aph@redhat.com>
3682 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3683 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3684 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3686 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3688 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3689 reference if the target constant is also a SYMBOL_REF.
3691 2001-07-05 Eric Christopher <echristo@redhat.com>
3693 * config/mips/mips.h (MASK_MIPS3900): Remove.
3694 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3695 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3696 (TARGET_MIPS3900): Change to use mips_arch.
3697 (TARGET_MIPS4000): New.
3698 (TARGET_MIPS4100): New.
3699 (TARGET_MIPS4300): New.
3700 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3701 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3703 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3704 (ISA_HAS_BRANCHLIKELY): To here.
3705 (CC1_CPU_SPEC): New.
3706 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3707 (mips_arch_string): Declare.
3708 (mips_arch): Declare.
3709 (TARGET_OPTIONS): Add -march and -mtune.
3711 * config/mips/mips.c (mips_arch_string): New.
3713 (override_options): Handle -march for codegen and -mtune
3714 for scheduling. Use mips_arch. Move tx39 target default here.
3715 (mips_parse_cpu): Move error message to override_options.
3717 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3719 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3721 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3722 (MIPS Options): Ditto. Change mcpu entry to historical text.
3724 2001-07-05 H.J. Lu (hjl@gnu.org)
3726 * config/mips/mips.c (mips_parse_cpu): New function to parse
3729 2001-07-05 Jim Wilson <wilson@redhat.com>
3731 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3732 * config/ia64/t-ia64: Likewise.
3733 (LIB1ASMFUNCS): Update comment.
3735 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3737 * doc/install.texi (Install GCC: Binaries): Fix typo.
3739 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3741 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3742 reference using the stack pointer, adjust it since we push Y
3744 ("*ashrsi3"): Likewise.
3745 ("*lshrsi3"): Likewise.
3747 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3749 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3750 when -fomit-frame-pointer is used.
3752 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3754 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3755 (try_redirect_by_replacing_jump): Reverse updating properly the
3756 count and frequency information. Reverse removing cc0 setter.
3757 (forwarder_block_p): Reverse fixing for fallthru blocks.
3759 2001-07-05 DJ Delorie <dj@redhat.com>
3761 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3762 (translate_options): If the above is defined, use it to map
3763 given options to new options.
3764 * doc/tm.texi: Document it.
3766 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3767 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3769 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3770 cause programs using computed gotos to run more slowly.
3772 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3774 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3776 Consistently require binutils 2.11.2, not prereleases.
3777 (Specific, decstation-*): Canonicalize as mips-dec-*.
3778 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3780 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3781 (Specific, mips-*): Reword MIPS C compiler requirements.
3782 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3783 (Specific, sunv5): Removed, obsolete.
3785 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3787 * dwarf2out.c (output_loc_list): Use an all ones mask for
3788 .text asm output and don't rely on long long
3789 literals. Reformat some long lines.
3791 2001-07-05 Andreas Jaeger <aj@suse.de>
3793 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3796 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3798 * dwarf2out.c (dwarf2out_define): Update comment.
3799 (dwarf2out_undef): Ditto.
3800 (dwarf2out_start_source_file): Ditto.
3801 (dwarf2out_end_source_file): Ditto.
3802 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3803 since we never call the start/end debug hook for the primary file.
3805 2001-07-04 Kazu Hirata <kazu@hxi.com>
3807 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3810 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3812 * cppinit.c (remove_dup_dirs): Inform if a system include
3813 directory is being reordered.
3814 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3816 * doc/cpp.texi (Search Paths): Likewise.
3817 * doc/gcc.texi (Interoperation): Remove information about
3820 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3822 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3823 (VARRAY_TOP_CHAR_PTR): Likewise.
3825 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * gcc.c (process_command): Don't assign elements of a const char*.
3829 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831 * emit-rtl.c (change_address): Don't abort if invalid address while
3832 reload is in progress.
3834 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3836 * c-lex.c (cb_file_change): Pass line number to
3837 debug_start_source_file.
3838 (cb_undefine): Pass correct line number to debug_undef.
3840 * toplev.c (debug_start_source_file): Add line number to
3841 parameters. Pass it along to dwarf2out_start_source_file.
3842 (decode_g_option): Stop resetting debug level back to normal when
3843 we change debug formats, unless the current level is
3844 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3847 * toplev.h (debug_start_source_file): Add line number to
3850 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3853 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3855 Output debug_macinfo data for starting file if requested.
3856 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3858 (dwarf2out_define): Output debug_macinfo data for defining a macro
3860 (dwarf2out_undef): Output debug_macinfo data for undefining a
3862 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3863 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3864 (macinfo_section_label): New. DWARF2 macro info section label.
3865 (dwarf2out_init): If we want macro info, output the start label
3867 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3868 attribute to the compilation unit die pointing to the macro info.
3870 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3872 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3873 DWARF2_DEBUGGING_INFO.
3874 (add_loc_descr_to_loc_list): Ditto.
3875 (output_loc_list): Ditto.
3876 Also, fix thinko in curr not being initialized.
3877 (gen_internal_sym): Ditto.
3879 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3881 * emit-rtl.c (replace_equiv_address): New function.
3882 * expr.h (replace_equiv_address): New declaration.
3883 * explow.c (validize_mem): Call it instead of change_address and
3884 also call if -fforce-addr and address is constant.
3885 * expr.c: Replace more calls to change_address with adjust_address
3886 and/or replace_equiv_address or to validize_mem.
3887 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3888 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3889 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3890 * config/i370/i370.md, config/i860/i860.md: Likewise.
3891 * config/i960/i960.md, config/mips/mips.c: Likewise.
3892 * config/mips/mips.md, config/pa/pa.md: Likewise.
3893 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3894 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3896 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3898 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3900 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3903 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3905 * doc/include: New directory.
3906 * doc/fdl.texi: Move to doc/include/fdl.texi.
3907 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3908 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3909 * doc/gcc.texi: Use funding.texi and gpl.texi.
3910 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3911 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3912 Update dependencies and use -I $(docdir)/include.
3914 2001-07-04 Anthony Green <green@redhat.com>
3916 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3918 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3920 * doc/install.texi (sparc64-*-*): Remove garbage.
3922 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3924 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3925 Fix typo in last change to use adjust_address.
3927 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3929 * doc/install.texi (Specific): Update information for *-*-solaris*.
3931 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3933 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3935 2001-07-03 Stan Shebs <shebs@apple.com>
3937 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3938 case for flag_no_mach_text_sections.
3939 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3940 * config/darwin.c (flag_no_mach_text_sections): Remove.
3941 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3943 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3945 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3946 and avoid checking for constant as first operand.
3947 * recog.c (find_constant_term_loc): No longer static.
3948 (adj_offettable_operand): Delete.
3949 * rtl.h (adj_offsettable_operand): Delete declaration.
3950 (find_constant_term): Add declaration.
3951 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3953 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3954 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3955 * config/i386/i386.c, config/i386/i386.md: Likewise.
3956 * config/i860/i860.c, config/i960/i960.c: Likewise.
3957 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3958 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3959 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3960 * config/mips/mips.c, config/mips/mips.md: Likewise.
3961 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3962 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3963 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3964 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3965 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3966 * config/ns32k/ns32k.md: Likewise.
3968 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3970 * rtl.c (copy_rtx): Handle 'T' format letter.
3971 * gensupport.c (collect_insn_data): Likewise.
3972 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3974 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3976 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3977 -B option. Use 'dir' not 'foo' as example directory name.
3979 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3981 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3982 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3984 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3986 * doc/cppinternals.texi: Improve formatting and logical markup.
3988 2001-07-03 Andreas Jaeger <aj@suse.de>
3990 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3992 * genrecog.c (write_header): Include reload.h for prototypes in
3995 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3998 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3999 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4000 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4001 i386_pe_valid_type_attribute_p): Add.
4002 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4003 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4005 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4007 * explow.c (plus_constant_wide, case LO_SUM): New case.
4008 (plus_constant_for_output_wide): Delete.
4009 * rtl.h (plus_constant_for_output): Delete.
4010 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4011 instead of plus_constant_for_output.
4012 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4013 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4014 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4015 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4016 * config/sparc/sparc.md: Likewise.
4017 Convert some change_address calls to adjust_address.
4019 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4021 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4022 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4023 documentation of -std and -Wwrite-strings.
4025 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4027 * cse.c (canon_hash): Don't register registers in very small
4028 register classes, as extending their lifetime might cause
4031 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4033 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4035 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4036 (try_redirect_by_replacing_jump): Update properly the count
4037 and frequency information.
4039 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4041 * toplev.c (dump_file_index): Move SSA dumps just after first
4043 (dump_file): Corresponding changes.
4044 (rest_of_compilation): Move SSA path to just after the first
4046 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4047 * doc/invoke.texi: Update dump file #s as they were completely
4048 out of date with reality.
4050 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4052 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4054 * expr.c (emit_move_insn_1): Deal with non-default
4057 * expr.c (emit_single_push_insn): Fix warning.
4059 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4061 * expr.c (emit_move_insn_1): Avoid modifying
4062 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4064 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4066 * emit-rtl.c (adjust_address): New function.
4067 * expr.h (adjust_address): Add declaration.
4068 * builtins.c: Replace some calls to change_address with calls to it
4070 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4071 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4072 * config/arm/arm.c, config/convex/convex.c: Likewise.
4073 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4074 * config/i386/i386.c, config/i386/i386.md: Likewise.
4075 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4076 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4077 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4078 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4079 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4081 2001-07-02 Jim Wilson <wilson@redhat.com>
4083 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4085 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4087 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4088 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4090 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4092 * cppinit.c (lang_defaults): New table.
4093 (set_lang): Just read from lang_defaults into the live options
4096 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4098 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4099 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4100 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4102 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4104 * doc/install.texi: Various spelling and markup fixes.
4105 (Installing GCC): Component specific installation instructions are
4108 Warn about removing old install dir in the presence of shared libs.
4109 (Configuration): Invoke with options target to match configure
4111 Consistently refer to gas, gld pathnames.
4112 Invert --enable-multilib documentation.
4113 Remove references to old compiler versions.
4115 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4117 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4119 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4121 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4123 (Specific, mips*-sgi-irix5): Note IDO download.
4124 Reworded MIPS C hints.
4125 Use GNU as instead of GAS.
4127 Removed SGI Freeware reference, IRIX 6 only.
4128 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4129 Note N64 library requirement/workaround.
4131 Complete list of structure passing bug victims.
4133 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4135 * doc/install.texi: Remove CVS Id.
4137 2001-07-02 Andreas Jaeger <aj@suse.de>
4139 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4140 (find_inherently_necessary): Remove unused variable.
4142 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4144 * c-common.h (TDI_inlined): New ast dump phase.
4145 (dump_flag_name): New function.
4146 * c-dump.c (dump_files): Add inlined phase.
4147 (dump_flag_name): Define.
4148 * doc/invoke.texi (-fdump-ast-inlined): Document.
4150 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4152 * stor-layout.c (layout_decl): Revert change to handling of alignment
4155 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4160 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4162 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4165 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4167 * tlink.c (recompile_files): Remove COMPILER_PATH and
4168 LIBRARY_PATH from the environment.
4170 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4172 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4173 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4175 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4177 * c-parse.in (OBJC_STRING): Kill.
4178 (objc_string): Decompose to [objc_string] '@' STRING.
4179 (reswords): Take the leading '@' off all the Objective C keywords.
4180 (objc_rid_sans_at): Kill.
4181 (init_reswords): Don't initialize it.
4182 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4183 (_yylex): Kill reconsider label. Look ahead one token after
4184 an '@'; if we get an identifier, check whether it's an
4185 Objective C @-keyword. If so, return the keyword. Otherwise,
4186 put back the token and return the '@' as a terminal.
4188 * cpplib.c (lex_macro_node): Remove unnecessary check for
4189 leading '@' on identifier. Clarify control flow and commentary.
4191 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4193 * cse.c (new_label_ref): Variable deleted.
4194 (insert): Remove set of new_label_ref.
4195 (check_for_label_ref): New function.
4196 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4198 See ChangeLog.5 for earlier changes.