1 2001-08-06 Richard Henderson <rth@redhat.com>
3 * varasm.c (assemble_gc_entry): Remove.
6 2001-08-06 Richard Henderson <rth@redhat.com>
8 * varasm.c (assemble_constructor): Take a symbol_ref and a
9 priority instead of a bare string. Move priority handling
11 * output.h: Update decls.
13 * c-decl.c (c_expand_body): Update calls to assemble_constructor
14 and assemble_destructor.
15 * profile.c (output_func_start_profiler): Likewise.
16 * objc/objc-act.c (finish_objc): Likewise.
17 (build_module_descriptor): Return the symbol not the symbol name.
19 2001-08-06 David Edelsohn <edelsohn@gnu.org>
21 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
22 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
23 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
24 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
25 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
26 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
28 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
30 * cpperror.c (print_containing_files): Moved to line-map.c.
31 (print_location): line-map.c handles re-listing or otherwise.
32 * cpphash.h (struct lexer_state): Remove next_bol.
33 (struct cpp_buffer): Remove include_stack_listed.
34 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
35 Remove faked buffer handling.
36 (_cpp_do_file_change): Tweak.
37 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
38 * cppmain.c (struct printer): Remove filename.
39 (print_line, cb_file_change): Update accordingly.
40 * line-map.c: Include intl.h.
41 (init_line_maps): Initialize last_listed.
42 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
43 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
44 (print_containing_files): New.
45 * line-map.h (struct line_maps): New member last_listed.
46 (print_containing_files, INCLUDED_FROM): New.
47 * Makefile.in: Update.
48 * po/POTFILES.in: Add line-map.c.
50 2001-08-06 Richard Henderson <rth@redhat.com>
52 * except.c (convert_from_eh_region_ranges_1): Never mark
53 USE or CLOBBER insns as throwing.
55 * expr.c (store_constructor): Don't clobber memory targets.
57 2001-08-06 Andreas Jaeger <aj@suse.de>
59 * profile.c (branch_prob): Remove unused variable insn.
61 * Makefile.in (local-alloc.o): Add dependency on except.h.
63 * local-alloc.c: Include except.h for can_throw_internal prototype.
65 2001-08-06 Richard Henderson <rth@redhat.com>
67 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
68 * function.c (expand_main_function): Implement it.
69 * doc/tm.texi: Document it.
71 2001-08-06 Stan Shebs <shebs@apple.com>
73 * doc/install.texi: Document powerpc-*-darwin* details.
75 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
77 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
78 (ASM_CPU_SPEC): Move back to rs6000.h
79 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
81 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
83 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
86 * config/rs6000/linux64.h: Ditto.
88 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
89 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
92 Remove accidently readded definitions of FUNCTION_PROLOGUE,
93 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
95 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
98 2001-08-05 Richard Henderson <rth@redhat.com>
100 * local-alloc.c (update_equiv_regs): Do not move insns that
103 2001-08-05 Jan Hubicka <jh@suse.cz>
105 * Makefile.in (reload1.o): Add dedendancy on except.h
106 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
108 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
109 indicating wehther edges has been cleaned up.
110 * reload1.c: Inlucde except.h
111 (fixup_abnormal_edges): Accept deleted insns.
112 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
115 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
117 * cpplib.c (do_line): Correct line number after pop_buffer.
119 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
122 * line-map.c: Update comments.
123 * line-map.h: Update comments.
124 * tradcif.y: Don't consider large numbers unsigned.
126 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
129 * c-lex.c (map): New.
130 (cb_file_change): Update map and use it.
131 (cb_def_pragma, cb_define, cb_undef): Use map and line.
132 (c_lex): Update to use map.
133 * cpperror.c (print_location): Move to using logical line numbers.
134 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
135 (cpp_make_system_header): Similarly.
136 (_cpp_execute_include): Stop line numbering hacks. Store the
137 line we will return to.
138 * cpphash.h (CPP_BUF_LINE): Remove.
139 (struct cpp_buffer): Remove lineno and pseudo_newlines.
140 Add map and return_to_line.
141 (_cpp_do_file_change): Update.
142 * cppinit.c (cpp_start_read): Update line kludge.
143 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
144 (trigraph_ok): Use logical line numbers for diagnostics.
145 (skip_block_comment): Likewise.
146 (skip_whitespace): Likewise.
147 (skip_line_comment): Use pfile->line instead.
148 (_cpp_lex_token): Update to use logical line numbering exclusively.
149 Handle BOL locally. Accept new lines in directives, but keep
150 pfile->line decremented. Diagnostics use logical lines. Update
152 * cpplib.c (SEEN_EOL): New.
153 (skip_rest_of_line, check_eol): Use it.
154 (end_directive): Increase line number when accepting the newline
155 at the end of a directive.
156 (run_directive): Simplify.
157 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
158 (_cpp_do_file_change): Update to take buffer line number as an
159 argument, and store the current map in the cpp_reader. Remove
161 (_cpp_do__Pragma): Restore output position after a _Pragma.
162 (cpp_push_buffer): Don't set output line or lineno.
163 (_cpp_pop_buffer): Transfer more info from a faked buffer.
164 Remove line kludge. Set output_line.
165 * cppmacro.c (builtin_macro): Update handling of __LINE__.
166 (parse_arg): Use logical lines.
167 (save_lookahead_token): Save EOFs too now.
168 * cppmain.c (struct printer): Fix comments.
169 (printer_init): Simplify, let caller do errors.
170 (scan_translation_unit, check_multiline_token, dump_macro): Update.
171 (maybe_print_line): Simplify.
172 (print_line): Don't print a linemarker if -P.
173 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
174 (cb_file_change): Simplify.
175 * line-map.h (LAST_SOURCE_LINE): Fix.
176 (CURRENT_LINE_MAP): New.
178 2001-08-05 Bernd Schmidt <bernds@redhat.com>
180 * doloop.c (doloop_modify_runtime): Properly compute number of
181 iterations if loop was unrolled.
183 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
184 if their CSELIB_VAL_PTRs are.
186 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
187 (setup_spill_pointers): Initialize it.
188 (spill_restore_mem): Set it.
189 (do_spill, do_restore): Use it to add REG_INC note.
190 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
192 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
193 asms if other insns are available.
195 * config/ia64/ia64.c (condop_operator): New predicate.
196 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
197 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
200 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
201 temporary register than directly using a MEM.
203 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
205 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
206 parameter in last change.
208 2001-08-04 Zack Weinberg <zackw@panix.com>
210 * sparc.md: Don't use #if inside C test expression.
212 2001-08-04 Richard Henderson <rth@redhat.com>
214 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
216 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
218 * cpphash.h (struct cpp_reader): New member directive_line.
219 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
220 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
221 do_pragma): Pass line to callbacks.
222 (start_directive): Record line of directive.
223 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
224 cb_include): Similarly.
225 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
228 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
230 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
233 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
235 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
237 * reload1.c (fixup_abnormal_edges): New static function.
240 * flow.c (need_fake_edge_p): New function.
241 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
242 avoid call insn to be very last insn in the insn stream.
244 * profile.c (branch_prob): Call flow_call_edges_add instead of
245 doing that by hand; cleanup cfg to re-merge basic blocks once
248 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
250 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
251 are also on line-map.h.
252 * cppfiles.c (stack_include_file): Update.
253 * cpphash.h (struct cpp_buffer): New member return_at_eof.
254 (_cpp_pop_buffer): New.
255 * cppinit.c (cpp_destroy, cpp_finish): Update.
256 (do_includes): Mark each buffer to return at EOF.
257 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
259 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
260 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
261 * cpplib.h (cpp_pop_buffer): Remove.
262 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
263 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
265 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
267 (do_preprocessing): Update.
268 * fix-header.c (read_scan_file): Update. No need to pop buffers.
269 * c-parse.in (_yylex): Similarly.
270 * scan-decls.c (scan_decls): Similarly.
271 * line-map.h: Update comments.
273 * objc/Make-lang.in (objc-act.o): Update dependencies.
275 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
277 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
278 and soft register for operand 0.
279 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
281 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
283 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
284 register for operand 0.
285 ("bitcmpqi_z_used"): Allow memory for operand 0.
286 (split "bitcmpqi"): New split to handle address reg as operand 1.
288 2001-08-04 Andreas Jaeger <aj@suse.de>
290 * gcse.c: Revert Daniel's last patch.
292 2001-08-03 Zack Weinberg <zackw@stanford.edu>
294 * sparc-protos.h: Add prototypes for fp_zero_operand and
296 * sh-protos.h: Add prototype for fpul_operand.
298 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
300 * doc/extend.texi (Other Builtins): Fix typo in last change.
302 2001-08-03 Richard Henderson <rth@redhat.com>
304 * target.h (gcc_target): Add asm_out.named_section,
305 section_type_flags, have_named_sections.
306 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
307 (TARGET_HAVE_NAMED_SECTIONS): New.
308 (TARGET_SECTION_TYPE_FLAGS): New.
310 * Makefile.in (toplev.o): Depend on TARGET_H.
311 (varasm.o, dbxout.o): Likewise.
312 * c-common.c (decl_attributes): Check targetm.have_named_sections
313 instead of ifdef ASM_OUTPUT_SECTION_NAME.
314 * dbxout.c (dbxout_function_decl): Likewise.
315 (dbxout_function_end): Likewise.
316 * toplev.c (compile_file): Likewise.
317 * varasm.c (exception_section): Likewise.
318 * cp/decl2.c (finish_objects): Likewise.
320 * defaults.h (EH_FRAME_SECTION): Remove.
321 (EH_FRAME_SECTION_ASM_OP): Remove.
322 (EH_FRAME_SECTION_NAME): New.
323 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
324 (UNIQUE_SECTION_P): Remove.
325 * dwarf2out.c (SECTION_FORMAT): Remove.
326 (ASM_OUTPUT_SECTION): Remove.
327 (output_call_frame_info): Use named_section_flags.
328 (output_comp_unit, dwarf2out_start_source_file): Likewise.
329 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
330 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
331 * varasm.c (in_eh_frame, eh_frame_section): Remove.
332 (named_section_flags): New.
333 (named_section): Use it and targetm.section_type_flags.
334 (resolve_unique_section): New.
335 (assemble_start_function): Use it.
336 (asm_emit_uninitialised, assemble_variable): Likewise.
337 (default_section_type_flags): New.
338 (default_no_named_section, default_elf_asm_named_section): New.
339 (default_coff_asm_named_section, default_pe_asm_named_section): New.
340 * output.h: Update varasm.c decls.
341 (SECTION_*): New flags.
343 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
344 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
346 * config/elfos.h (UNIQUE_SECTION_P): Remove.
347 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
348 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
349 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
350 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
351 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
352 * config/mips/elf.h, config/mips/elf64.h: Likewise.
353 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
354 * config/pa/pa64-hpux.h,
356 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
357 (TARGET_ASM_NAMED_SECTION): New.
358 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
359 * config/alpha/vms.h, config/arm/coff.h: Likewise.
360 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
361 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
362 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
363 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
364 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
365 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
366 * config/i386/sco5.h, config/i386/win32.h: Likewise.
367 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
368 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
369 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
370 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
371 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
372 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
373 * config/sparc/sysv4.h: Likewise.
375 * config/nextstep.h: Error until named sections implemented.
377 * config/a29k/a29k.c (a29k_asm_named_section): New.
378 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
379 (vms_section_type_flags, vms_asm_named_section): New.
380 * config/arm/arm.c (arm_elf_asm_named_section): New.
381 * config/avr/avr.c (asm_output_section_name): Remove.
382 * config/avr/avr-protos.h: Update.
383 * config/c4x/c4x.c (c4x_asm_named_section): New.
384 * config/h8300/h8300.c (h8300_asm_named_section): New.
385 * config/i386/i386.c (sco_asm_named_section): New.
386 * config/i386/winnt.c (SECTION_PE_SHARED): New.
387 (i386_pe_section_type_flags): New.
388 (i386_pe_asm_named_section): New.
389 * config/i386/i386-protos.h: Update.
390 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
391 * config/mcore/mcore.c (mcore_asm_named_section): New.
392 * config/mips/mips.c (iris6_asm_named_section): New.
393 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
394 instead of UNIQUE_SECTION_P.
395 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
396 (xcoff_asm_named_section): New.
397 * config/sh/sh.c (sh_asm_named_section): New.
398 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
400 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
401 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
402 (EH_FRAME_SECTION_NAME): New.
403 (EXCEPTION_SECTION): New.
404 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
405 (DEBUG_*_SECTION): Remove.
406 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
407 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
408 (EH_FRAME_SECTION_ASM_OP): Remove.
410 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
411 (ASM_OUTPUT_SECTION_NAME): Remove.
412 (TARGET_ASM_NAMED_SECTION): New.
413 (TARGET_HAVE_NAMED_SECTIONS): New.
414 (TARGET_SECTION_TYPE_FLAGS): New.
415 (EH_FRAME_SECTION_ASM_OP): Remove.
416 (EH_FRAME_SECTION_NAME): New.
418 2001-08-03 Zack Weinberg <zackw@stanford.edu>
420 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
421 for complex expressions when cfun == 0.
422 * doc/extend.texi: Document that __builtin_constant_p can be
423 used in data initializers as well as functions.
425 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
427 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
428 variable I locally, instead of expecting a declaration in the
431 2001-08-03 Richard Henderson <rth@redhat.com>
433 * except.c (collect_one_action_chain): Add an explicit cleanup
434 action if regions surrounding a catch were encoded entirely
435 within the call-site entry.
437 2001-08-03 Richard Henderson <rth@redhat.com>
439 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
440 don't take REGNO of a non-register.
442 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
444 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
445 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
446 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
447 (__gthread_mutex_init_function): New function for mutex initialization.
449 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
451 * Makefile.in: Revert screwed up commit.
453 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
455 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
456 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
457 merged by linker script to get a final _exit().
458 (__do_global_dtors): New for destructor handling in specific exit
460 (__do_global_ctors): New for constructors in specific install section.
461 (__map_data_section): Map data sections before running constructors.
462 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
463 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
464 (DTORS_SECTION_ASM_OP): Likewise.
465 (CTORS_SECTION_FUNCTION): Define to force a reference to
467 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
469 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
471 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
473 * Makefile.in: Add df.h to gcse.c dependencies.
475 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
477 * varasm.c (output_constant_def_contents): Use for the length of a
478 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
479 depending on which is larger.
481 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
483 * gcse.c: Include df.h for use as a dataflow analyzer.
485 Declaration of reg_set_info: gone.
486 New df_analyzer variable used by store motion.
487 (reg_set_info): Deleted.
488 (mark_mem_regs): New function, analyze regs used by a mem.
489 (store_ops_ok): Use dataflow analyzer results to determine if
490 necessary regs are changed in the block.
491 (find_moveable_store): Remove check for symbol ref, we can handle
492 much more complex expressions now.
493 (compute_store_table): Remove most of the code, it's unnecessary
494 now that the dataflow analyzer records the info for us.
495 (store_killed_after): Add parameter to say whether to do the
496 store_ops_okay test, used to speed up testing when we already know
497 the answer, and just want to know if the store itself was killed.
498 (build_store_vector): Largely rewritten to calculate the various
499 vectors properly, and somewhat optimized.
500 (store_motion): Init the df_analyzer, get REG_DEF chains.
501 Also handle trapping expressions (since mems almost always trap)
502 (simple_mem): Redefine what a simple mem is.
504 2001-08-03 DJ Delorie <dj@redhat.com>
506 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
507 set from a constant part of the condition.
509 2001-08-01 Andrew Cagney <ac131313@redhat.com>
511 * mkdeps.c (deps_add_default_target): Make local variable
512 ``start'' a const char pointer.
513 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
515 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
517 * doc/install.texi (Configuration): Fix markup.
518 (Specific, i?86-*-udk): Likewise.
519 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
521 Document --enable-threads and --enable-libgcj status.
522 (Specific, mips-sgi-irix*): Canonicalize triples.
523 (Specific, mips-sgi-irix5): Warn about problems with this config.
524 Mention required GNU as patch.
525 Native assembler problems are fixed.
526 (Specific, mips-sgi-irix6): Update O32 ABI support status.
527 Document --enable-threads and --enable-libgcj status.
529 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
531 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
534 2001-08-03 Richard Henderson <rth@redhat.com>
536 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
539 2001-08-03 Richard Henderson <rth@redhat.com>
541 * rtlanal.c (find_first_parameter_load): Stop if we
542 reach a CODE_LABEL at BOUNDARY.
544 2001-08-03 Richard Henderson <rth@redhat.com>
546 * config/alpha/alpha.md (force_movdi): New insn.
547 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
548 Tweek FRP marking of VMS prologue insns.
549 * config/alpha/vms.h (EPILOGUE_USES): New.
551 2001-08-02 Richard Henderson <rth@redhat.com>
553 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
555 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
557 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
558 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
559 config/convex/convex.h, config/d30v/d30v.c,
560 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
561 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
562 config/mips/mips.h, config/mn10200/mn10200.h,
563 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
564 config/v850/v850.h, config/vax/openbsd.h,
565 config/vax/openbsd1.h, config/vax/ultrix.h,
566 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
567 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
568 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
569 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
570 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
571 in comments and documentation.
573 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
577 * Makefile.in (line-map.o): New.
578 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
579 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
580 * cpperror.c (print_containing_files): Similarly.
581 (print_location): Update. Don't output a space before _Pragma.
582 * cppfiles.c (stack_include_file): Set to line 1 immediately.
583 (stack_include_filee, cpp_make_system_header): Update.
584 (_cpp_execute_include): Get logical line number right for calling
585 as-yet-unterminated #include.
586 * cpphash.h (struct cpp_reader): Add line_maps.
587 (_cpp_do_file_change): Update.
588 * cppinit.c (cpp_create_reader): Initialize line maps.
589 (cpp_destroy): Destroy line maps.
590 (cpp_start_read): Get logical line number right.
591 * cpplex.c (parse_string): Only warn once for multi-line strings.
592 Use boolean variable for null warning.
593 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
595 (do_include_common): End the directive early.
596 (do_line): Don't warn about out-of-range lines in preprocessed
597 source. Update. Remove unused variables.
598 (_cpp_do_file_change): Update for new line mapping.
599 (pragma_cb): New typedef.
600 (cpp_register_pragma): Stop looking ahead before calling the
602 (do_pragma_system_header): End directive early.
603 (cpp_get_line_maps): New.
604 (cpp_pop_buffer): Fudge logical line. Update.
605 * cpplib.h: Include line-map.h
606 (enum cpp_fc_reason): Remove.
607 (struct cpp_file_change): Update.
608 (cpp_get_line_maps): New.
609 * cppmain.c (struct_printer): New member map.
610 (cb_file_change): Update for new mappings.
611 * fix-header.c (cb_file_change): Similarly.
613 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
615 * Makefile.in (libgcc.mk): Define mkinstalldirs.
616 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
618 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
620 * config/vax/vax.c: include expr.h.
622 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
624 * Makefile.in ($(srcdir)/configure): Only rebuild in
626 ($(srcdir)/config.in): Only define in maintainer mode.
627 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
629 2001-08-02 David Edelsohn <edelsohn@gnu.org>
631 * doc/install.texi (Install GCC: Binaries): Update Bull info.
633 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
635 * gcc.c (set_collect_gcc_options): New function, split out from
637 Ignore elided switches.
638 (do_spec_1): Invoke before executing command.
641 * gcc.h (set_input): ... here.
642 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
645 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
648 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
650 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
652 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
654 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
655 for the unnamed instructions it expands to.
657 2001-08-02 Richard Henderson <rth@redhat.com>
659 * regclass.c (call_really_used_regs): Conditionally define.
660 (init_reg_sets_1): Don't use it if not defined.
661 (fix_register): Similarly, don't set it.
663 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
665 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
666 Correct comment that had been missed in the previous change.
668 2001-08-01 Stan Shebs <shebs@apple.com>
670 * config/darwin.c (machopic_stub_name): Try matching by name.
671 (update_stubs): New function.
672 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
675 2001-08-01 Richard Henderson <rth@redhat.com>
677 * except.c (output_function_exception_table): Use assemble_align.
678 * varasm.c (assemble_eh_label): Remove.
679 (assemble_eh_align, assemble_eh_integer): Remove.
681 2001-08-01 Robert Lipe <robertl@caldera.com>
683 * dwarfout.c: Remove reference to README.DWARF.
685 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
687 * regclass.c (call_really_used_regs): New array for registers which
688 are actually used by a call.
689 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
691 (fix_register): Set call_really_used too.
692 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
693 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
695 2001-08-01 Richard Henderson <rth@redhat.com>
697 * read-rtl.c (read_name): Consider \r whitespace.
699 2001-07-11 Andrew Cagney <ac131313@redhat.com>
701 * config.gcc: Recognize powerpc-*-netbsd*.
703 * doc/install.texi (Host/target specific installation notes for
704 GCC): Mention powerpc-*-netbsd*.
706 * config/rs6000/netbsd.h: New file.
707 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
708 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
709 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
710 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
711 (TARGET_VERSION): Redefine.
713 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
714 mcall-netbsd as a match for mcall-sysv.
715 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
716 (ncrti.S, ncrtn.S): New targets.
717 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
719 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
720 "netbsd' as a V4 ABI.
721 (ASM_SPEC): Check for -mcall-netbsd.
722 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
723 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
724 (LIB_SPEC, ENDFILE_SPEC): Ditto.
725 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
726 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
727 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
728 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
730 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
731 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
733 2001-08-01 Mark Kettenis <kettenis@gnu.org>
735 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
736 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
737 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
738 including "unwind-pe.h".
740 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
742 * rs6000.md (define_splits): Kill unused constraints.
744 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
745 Jan Hubicka <jh@suse.cz>
747 * function.c (thread_prologue_and_epilogue_insns): Kill code
748 dealing with non-existent CFG.
750 2001-08-01 Kazu Hirata <kazu@hxi.com>
752 * alias.c: Fix comment formatting.
753 * bitmap.c: Likewise.
754 * builtins.c: Likewise.
756 * c-common.c: Likewise.
757 * c-decl.c: Likewise.
758 * c-dump.c: Likewise.
760 * collect2.c: Likewise.
761 * combine.c: Likewise.
762 * conflict.c: Likewise.
763 * cppfiles.c: Likewise.
764 * cppinit.c: Likewise.
765 * cpplex.c: Likewise.
766 * cpplib.c: Likewise.
767 * cppmacro.c: Likewise.
768 * cppspec.c: Likewise.
769 * c-pragma.c: Likewise.
770 * crtstuff.c: Likewise.
772 * cselib.c: Likewise.
773 * c-semantics.c: Likewise.
774 * c-typeck.c: Likewise.
776 2001-08-01 H.J. Lu <hjl@gnu.org>
778 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
780 2001-08-01 H.J. Lu <hjl@gnu.org>
782 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
784 2001-08-01 Ziemowit Laski <zlaski@apple.com>
786 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
787 contextualizing Objective-C class name lookup by the lexer.
788 (typespec_reserved_nonattr): Disable ObjC class name lookup after
790 (protocoldef): Add support for forward @protocol declarations.
791 (yylexname): Suppress ObjC class name lookup in certain contexts;
792 re-enable after lookup is complete.
793 (_yylex): Re-enable ObjC class name lookup when certain
794 punctuation marks are seen.
796 * objc/objc-act.c (check_protocol_recursively): New function used
797 for finding circular dependencies in protocols.
798 (objc_declare_protocols): New function for handling forward
799 @protocol declarations.
800 (receiver_is_class_object): Detect the case when 'self' is used
801 inside of a class method.
802 (build_message_expr): Issue a warning if class method is desired
803 but instance method is found instead.
804 (conforms_to_protocol): Streamline.
805 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
806 protocol Foo, even if 'Bar foo' does not.
807 (check_protocols): Streamline.
808 (start_protocol): Add checks for circular and duplicate protocol
810 (encode_aggregate_within): For typedefs of structs, encode the
812 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
813 (objc_declare_protocols): New prototype.
815 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
817 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
818 * cpplex.c (handle_newline): Update prototype. Maintain logical
820 (skip_escaped_newlines, skip_block_comment, parse_string):
822 (_cpp_lex_token): Update, and store token position within the token.
823 * cpplib.h (struct cpp_token): Add line and column entries.
824 * cppmacro.c (replace_args): Position stringified tokens correctly.
826 2001-08-01 Andreas Jaeger <aj@suse.de>
828 * basic-block.h: Add prototype for last_loop_beg_note.
830 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
832 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
833 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
835 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
836 while handling WITH_CLEANUP_EXPR node. Use second operand calling
838 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
840 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
841 operand while calling simple_cst_equal.
842 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
843 operand is the cleanup expression, the third is the RTL_EXPR.
844 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
846 2001-07-31 Jeff Sturm <jsturm@one-point.com>
848 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
850 2001-07-31 matthew green <mrg@eterna.com.au>
852 * config.gcc (i386-*-netbsdelf): New description.
853 * config/i386/netbsd-elf.h: New file.
855 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
857 * loop.c (check_dbra_loop): Use single_set to compute
860 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
862 PowerPC reorg and support for powerpc64-*-linux*.
864 Also fixes emitting of constants on 32 bit and 64 bit
867 * config.gcc: powerpc64-*-linux* is a new target.
868 Things that needed aix.h now also include xcoff.h
870 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
872 Move AIX specific stuff into aix.h.
873 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
874 with more than just XCOFF now.
875 (SET_ASM_OP): Remove, now defined where needed.
876 (FUNCTION_PROLOGUE): New macro definition.
877 (FUNCTION_EPILOGUE): New macro definition.
878 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
880 * config/rs6000/xcoff.h: New file.
882 * config/rs6000/linux64.h: New file.
884 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
886 2001-07-31 Alan Modra <amodra@bigpond.net.au>
888 * rs6000.c (print_operand_address): Handle ELF syntax.
889 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
890 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
891 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
893 2001-07-31 David Edelsohn <edelsohn@gnu.org>
895 * rs6000.c (rs6000_override_options): Only disable
896 flag_function_sections for XCOFF.
897 (exact_log2_cint_operand): New predicate.
898 (reg_or_{add,sub}_cint64_operand): New predicates.
899 (add_operand): Compare CONST_INT with fewer function calls.
900 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
901 (print_operand, case 'p'): Ensure positive operand.
902 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
903 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
904 (PREDICATE_CODES): Add new predicates.
905 * rs6000.md (addsi3): Split 32-bit constants more correctly.
906 (divsi3, modsi3): Ensure positive power-of-2.
907 (adddi3): Use new predicate. Split 32-bit constants more
908 correctly. Re-arrange splitter to handle any constant.
909 (subdi3): Use new predicate.
910 (divdi3, moddi3): Ensure positive power-of-2.
911 (movdi): Use rs6000_emit_set_const.
912 (load_toc_v4_pic_di): Delete.
914 2001-07-31 Graham Stott <grahams@redhat.com>
916 * function.c (pad_below): Revert 2001-07-26 patch.
918 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
920 * reg-stack (convert_regs_1): Fix best edge condition.
922 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
924 * jump.c (duplicate_loop_exit_test): Better test for jumps
925 entering the loop; create loop pre_header.
927 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
929 * doc/install.texi: Add s390 and s390x as new targets.
930 * doc/invoke.texi: Add documantation of S/390 and zSeries
932 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
934 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
936 * config/m68k/m68k.md: Replace all general_operand with
937 nonimmediate_operand for all destinations.
938 * config/m68k/m68k.c (not_sp_operand): Likewise.
940 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
942 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
944 2001-07-30 Richard Henderson <rth@redhat.com>
946 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
947 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
949 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
951 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
952 Add missing doc strings
953 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
954 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
956 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
958 * i386.c (ix86_output_main_function_alignment_hack): New function.
959 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
961 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
962 edges by EDGE_DFS_BACK flag.
963 (dump_edge_info): Add dfs_back flag.
964 * basic-block.h (EDGE_DFS_BACK): New constant.
965 (mark_dfs_back_edges): Declare.
966 * alias.c (loop_p): Remove.
967 (mark_constant_function): Use mark_dfs_back_edges.
969 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
970 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
971 (compensate_edge): Break out from ...
972 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
973 (convert_regs_2): Set block_done once block is really done;
974 Do updating of the predecesors counts.
976 * toplev.c (rest_of_compilation): Recompute block_for_insn
977 before post-reload cfg_cleanup.
978 * function.c (thread_prologue_epilogue_insns):
979 Call set_block_for_new_insns when emitting prologue directly.
981 2001-07-30 Andreas Jaeger <aj@suse.de>
983 * jump.c: Add prototype for mark_modified_reg.
985 * cse.c (set_live_p): Add unused attribute.
987 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
989 (scan_for_source_files): Use long for count to avoid overflow.
990 (output_data): Likewise.
991 (output_data): Don't use string concatatenation to silence gcc
994 * predict.c: Fix typos and grammar.
996 * gcse.c (insert_insn_end_bb): Remove unused variables.
998 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1000 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1001 (attempt_auto_inc): LIkewise.
1002 (mark_used_reg): Likewise.
1003 (try_pre_increment_1): Likewise.
1004 * regclass.c (regclass): Likewise.
1005 * global.c (allocno_compare): Update comment; change scaling factor.
1006 * local-alloc.c (QTY_CMP_PRI): Likewise.
1007 * regs.h (REG_FREQ_FROM_BB): New.
1008 (REG_FREQ_MAX): Likewise.
1010 2001-07-30 H.J. Lu <hjl@gnu.org>
1012 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1015 2001-07-30 H.J. Lu (hjl@gnu.org)
1017 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1018 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1019 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1021 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1023 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1024 as -mthumb-interwork when -mcpu=arm7 is specified.
1026 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1028 * predict.def (noreturn, loop branch, loop exit): Mark as first
1031 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1033 * combine.c (try_combine): Avoid barrier after noop jumps.
1035 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1037 * cpphash.h (struct cpp_reader): Remove import_warning.
1038 * cpplib.c (skip_rest_of_line): Don't bother turning off
1040 (parse_include): Move include handling to...
1041 (do_include_common): ... here. Move import warning from...
1042 (do_import): ... here.
1043 (do_pragma_poison): Don't do a callback for poison identifiers.
1044 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1045 * cppmain.c (setup_callbacks): Similarly.
1047 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1049 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1050 handle multiple sets.
1051 * except.c (sjlj_mark_call_sites): .... here.
1052 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1054 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 Suggested by Richard Henderson and Richard Kenner:
1057 * combine.c (recog_for_combine): Use the fake recog
1058 only if instruction does not match.
1059 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1060 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1062 * combine.c (try_combine): Discover noop jump as direct jump.
1064 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1066 * df.c (df_rd_global_compute): Add successors to worklist, not
1068 (df_ru_global_compute): Ditto.
1070 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1072 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1073 increment REG_N_SETS.
1075 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1077 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1079 * sbitmap.c (sbitmap_a_xor_b): New function.
1080 ifdef the basic block stuff on IN_GCC.
1082 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1084 * cppexp.c (parse_defined): Always record the macro name.
1085 (lex): Don't worry about identifiers, or special-case
1087 (_cpp_parse_expr): Figure out at the end of the routine
1088 whether we saw a valid !defined() expression.
1089 * cppfiles.c (stack_include_file): Update for mi_valid.
1090 (_cpp_pop_file_buffer): Similarly.
1091 * cpplex.c (_cpp_lex_token): Similarly.
1092 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1093 mi_if_not_defined, mi_lexed): Remove.
1095 * cpplib.c (do_if): Simplify.
1096 (do_endif, push_conditional, _cpp_handle_directive): Update
1097 for renaming of mi_state to mi_valid.
1099 * cpp.texi: Add index entries for digraphs, and add comment
1100 that C++ refers to them as alternative tokens.
1102 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1104 * basic-block.h (CLEANUP_PRE_LOOP): New.
1105 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1106 * sibcall.c (optimize_sibling_calls): Likewise.
1107 * toplev.c (rest_of_compilation): Likewise.
1108 * flow.c (try_forward_edges): Take argument MODE;
1109 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1110 (try_optimize_cfg): Update call of try_forward_edges.
1112 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1113 Jan Hubicka <jh@suse.cz>
1115 * (validate_replace_rtx_1): Fix simplification of MINUS.
1117 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1119 PR preprocessor/3669
1120 * cppinit.c (init_dependency_output): Turn off dump requests
1121 if sending dependencies to stdout.
1123 2001-07-28 Richard Henderson <rth@redhat.com>
1125 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1128 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1130 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1132 2001-07-28 Kazu Hirata <kazu@hxi.com>
1134 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1135 is VAR_DECL first to prevent an ICE.
1137 2001-07-28 Richard Henderson <rth@redhat.com>
1139 * varasm.c (immed_real_const_1): Don't elide special cases for
1141 (clear_const_double_mem): Clear const_tiny_rtx too.
1143 2001-07-28 Richard Henderson <rth@redhat.com>
1145 * dwarf2out.c (dw_val_class_offset): New.
1146 (struct dw_ranges_struct, dw_ranges_ref): New.
1147 (ranges_table, ranges_table_allocated): New.
1148 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1149 (add_AT_offset, add_ranges, output_ranges): New.
1150 (print_die, output_die): Handle dw_val_class_offset.
1151 (attr_checksum, size_of_die, value_format): Likewise.
1152 (gen_lexical_block_die): Handle non-contiguous blocks.
1153 (gen_block_die): Likewise.
1154 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1155 if needed. Dump the ranges table.
1156 * final.c (final_start_function): Remove unnecessary notes and
1157 rebuild the block tree before numbering the blocks.
1158 * function.c (reorder_blocks_0): Walk the existing block tree
1159 to unmark all blocks.
1160 (reorder_blocks_1): Create block fragments when duplicate block
1162 (reorder_fix_fragments): New.
1163 (reorder_blocks): Call it.
1164 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1166 2001-07-28 Richard Henderson <rth@redhat.com>
1168 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1170 2001-07-28 Richard Henderson <rth@redhat.com>
1172 * flow.c (add_to_mem_set_list): New function.
1173 (init_propagate_block_info): Use it.
1174 (mark_set_1): Likewise.
1175 (insn_dead_p): Canonicalize memory address for dead store
1176 comparison. Allow wider mode stores to kill narrower mode stores.
1177 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1178 (invalidate_mems_from_set): Don't handle MEMs.
1180 2001-07-28 Kazu Hirata <kazu@hxi.com>
1182 * config/h8300/h8300.h: Fix formatting.
1184 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1186 * basic-block.h (EDGE_FREQUENCY): New macro.
1187 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1189 * flow.c (find_sub_basic_blocks): Likewise.
1190 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1191 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1193 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1194 (HITRATE): New macro.
1195 (PRED_FLAG_FIRST_MATCH): New constant.
1196 (predictor_info): New field flgags.
1197 (combine_predictions_for_insn): Use DS theory to combine
1198 probabilities; set the edge probabilities when finished.
1199 (estimate_probability): Avoid duplicated matches
1200 of LOOP_BRANCH heuristics for nested loops; update comment.
1201 * predict.def: Add flags for each prediction, set probabilities
1202 according to B&L paper.
1203 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1205 * profile.c (compute_branch_probabilities): Cleanup way the edge
1206 probabilities are computed and REG_BR_PROB notes are dropped; if
1207 values does not match, emit error.
1208 (init_branch_prob): Do error instead of warning when profile driven
1209 feedback is missing or corrupt.
1211 2001-07-27 DJ Delorie <dj@redhat.com>
1213 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1214 against a constant, try to adjust the compare to have the desired
1215 constant in it so that min/max optimizations happen more often.
1217 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1219 * flow.c (last_loop_beg_note): New function.
1220 (redirect_edge_and_branch): Use it.
1221 (split_edge): Likewise.
1223 * alias.c (loop_p): Avoid uninitialized memory access.
1225 * flow.c (try_forward_edges): Avoid accessing freed memory.
1227 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1230 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1232 * doc/install.texi (Configuration): Properly link the host
1233 specific instructions also when generating HTML.
1235 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1237 * flow.c (redirect_edge_and_branch_force): Test
1238 target->global_live_at_start.
1240 2001-07-26 Richard Henderson <rth@redhat.com>
1242 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1243 * rtl.h (avoid_constant_pool_reference): Declare it.
1244 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1245 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1247 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1249 * rtl.h (cleanup_barriers): Declare.
1250 * jump.c (cleanup_barriers): New function.
1251 * toplev.c (rest_of_compilation): Call cleanup_barriers
1252 before loop optimizer and after bb_reorder.
1254 * flow.c (back_edge_of_syntactic_loop_p): New.
1255 (split_edge): Use it.
1257 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1259 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1261 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1263 * cse.c (cse_process_notes): Replace any registers if the address
1266 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1268 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1269 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1270 (propagate_block): Update prototype.
1271 * flow.c (update_life_info): Simplify the CFG and
1272 recalculate the global regs which are alive when
1273 removing dead code during a global update.
1274 (propagate_block): Return non-zero if an INSN is
1277 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1279 * Makefile.in (LIBICONV): Define.
1281 2001-07-26 Catherine Moore <clm@redhat.com>
1283 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1284 of conditional to avoid tree checking errors.
1286 2001-07-26 Kazu Hirata <kazu@hxi.com>
1288 * regmove.c (regmove_optimize): Don't replace a reg with
1289 another reg of a different mode.
1291 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1293 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1294 limit length of dependancy flush list.
1295 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1296 * sched-int.h (struct deps): Add pending_flush_length field.
1297 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1298 has 1 element in it.
1299 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1300 (sched_analyze): After a jump, if the pending memory flush list is too
1301 large, flush the pending lists.
1302 (init_deps): Initialize pending_flush_length to 0.
1303 * doc/invoke.texi (max_pending_list_length): Document parameter.
1305 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1307 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1308 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1309 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1311 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1313 * cpphash.h (struct_lexer_state): Delete was_skipping.
1314 Move skipping here from struct cpp_reader.
1315 * cpplex.c (parse_identifier): Update.
1316 (_cpp_lex_token): Don't skip tokens in a directive.
1317 * cpplib.c (struct if_stack): Update.
1318 (start_directive, end_directive): Don't change skipping state.
1319 (_cpp_handle_directive): Update.
1320 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1321 (do_else, do_endif): Update; only check for excess tokens if not
1322 in a skipped conditional block.
1323 (push_conditional): Update for new struct if_stack.
1325 2001-07-26 Graham Stott <grahams@redhat.com>
1327 * function.c (locate_and_pad_parm): Also pad initial offset
1328 so that the total argument size also includes the padding.
1330 2001-07-26 Graham Stott <grahams@redhat.com>
1332 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1333 change XSTR to XTMPL.
1335 (process_one_cond_exec): Likewise
1337 2001-07-25 Richard Henderson <rth@redhat.com>
1339 * varasm.c (assemble_variable): Create DECL_RTL before setting
1342 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1344 * predict.c (estimate_probability): Avoid duplicated predictions.
1346 * loop.c (find_and_verify_loops): Grok multiple barriers.
1348 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1350 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1352 * dbxout.c: Consistently use putc instead of fputc.
1353 (print_wide_int): New function; call instead of direct fprintf.
1354 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1355 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1356 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1357 (print_int_cst_octal): Likewise.
1358 (print_octal): Show we wrote characters.
1359 (dbxout_type): Set have_used_extensions in more places.
1361 2001-07-25 Catherine Moore <clm@redhat.com>
1363 * config/v850/v850.c (v850_va_arg): Use addr
1364 instead of valist to build incr.
1366 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1368 * flow.c (delete_dead_jumptables): New function.
1369 (life_analyzis): Call it.
1370 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1373 2001-07-25 Richard Henderson <rth@redhat.com>
1375 * except.c (reachable_handlers): Handle a region being removed
1376 out from under a RESX.
1378 2001-07-25 Richard Henderson <rth@redhat.com>
1380 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1381 swap GE/GT if it is an fp comparison.
1383 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1385 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1388 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1390 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1391 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1394 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1396 (visit_expression): When attempting to simplify an expression,
1397 retrieve any modes for arguments before they are simplified
1400 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1401 Janis Johnson <janis@us.ibm.com>
1403 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1404 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1405 pointer parameters to match documented usage of nonlocal_goto.
1406 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1407 parameters to their correct order.
1408 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1409 parameters to their correct order.
1411 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1413 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1415 2001-07-25 Jan Hubicka <jh@suse.cz>
1416 Richard Henderson <rth@redhat.com>
1418 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1420 (make_edges): New argument update_p; populate the edge cache if set.
1421 (find_basic_blocks): Update make_edges invocation.
1423 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1425 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1427 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1429 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1430 -Acpu and -Amachine.h.
1431 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1432 Corrected header to say ELF not a.out.
1433 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1434 when given -msoft-float.
1436 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1438 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1439 extra multilib parts like arm-elf.
1440 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1441 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1442 crtfini.o as extra multilib parts.
1444 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1446 * configure.in: Add rtems as a supported thread model.
1447 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1448 * configure: Rebuilt.
1450 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1452 * stor-layout.c (get_mode_alignment): make it work when
1453 BITS_PER_UNIT is not a power of two.
1454 * builtins.c (get_pointer_alignment): Likewise.
1456 2001-07-24 Richard Henderson <rth@redhat.com>
1458 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1459 the retrieved constant into the expected mode.
1461 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1463 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1464 (verify_flow_info): Check for duplicated edges; clarify
1467 * flow.c (block_label): Update basic_block_for_insn.
1468 (commit_edge_insertions): Call compute_bb_for_insn.
1470 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1473 * flow.c (redirect_edge_and_branch,
1474 try_optimize_cfg): Use redirect_edge_succ_nodup
1475 (redirect_edge_succ_nodup): New.
1476 * basic_block.h (redirect_edge_succ_nodup): Declare.
1478 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1481 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1483 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1484 (try_crossjump_to_edge): Update commetns.
1485 (try_crossjump_bb): Likewise.
1487 2001-07-24 Richard Henderson <rth@redhat.com>
1489 * combine.c (distribute_notes): Move set of need_refresh
1490 for noop_move_p down to catch all cases.
1492 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1494 * recog.c (split_all_insns_noflow): New.
1495 * rtl.h (split_all_insns_noflow): Declare.
1496 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1497 * m68hc11.c (m68hc11_reorg): Likewise.
1498 * sh.c (machine_dependent_reorg): Likewise.
1499 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1502 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1504 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1505 (ashlsi3_n splitter): Likewise.
1506 (lshrsi3_n splitter): Likewise.
1508 (GOTaddr2picreg): Make const SImode.
1509 (sym_label2reg): Likewise.
1510 (symGOT2reg): Likewise.
1511 (symGOTOFF2reg) Likewise.
1513 (casesi_worker_0): Make unspec SImode.
1515 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1517 * config/sh/sh.c (barrier_align): Check that an operand really is
1518 an insn before extracting its INSN_CODE.
1520 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1522 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1525 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1526 for SImode to prevent overflow.
1528 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1530 * config/mips/irix6-libc-compat.c: New file.
1531 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1532 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1535 2001-07-24 lars brinkhoff <lars@nocrew.org>
1537 * rtl.texi (REG_POINTER): Document.
1538 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1539 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1541 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1543 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1545 2001-07-23 Richard Henderson <rth@redhat.com>
1547 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1549 2001-07-23 Kazu Hirata <kazu@hxi.com>
1551 * config/h8300/h8300-protos.h: Add a prototype for
1552 general_operand_dst_push.
1553 * config/h8300/h8300.c (general_operand_dst_push): New.
1554 * config/h8300/h8300.h (OK_FOR_T): New.
1555 (EXTRA_CONSTRAINT): Use it.
1556 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1557 the existing movqi pattern.
1558 (movhi_push): Likewise.
1560 * reload.c: Fix comment typos.
1562 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1564 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1566 2001-07-23 H.J. Lu (hjl@gnu.org)
1568 * doc/extend.texi: Update __builtin_return_address and
1569 __builtin_frame_address.
1571 2001-07-23 Richard Henderson <rth@redhat.com>
1573 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1575 * config/i386/i386.md: New setcc+movzbl peephole2.
1577 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1579 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1580 * objc/objc-act.c: Include debug.h.
1581 (synth_module_prologue): Save and restore debug hooks too.
1583 2001-07-23 lars brinkhoff <lars@nocrew.org>
1585 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1586 and C4X_FLOAT_FORMAT.
1587 (BOOL_TYPE_SIZE): Document.
1589 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1591 * unroll.c (loop_iterations): Fix miscalculation of initial
1594 2001-07-13 Andrew Haley <aph@redhat.com>
1596 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1597 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1598 * config/sh/sh.c (sh_can_redirect_branch): New function.
1599 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1600 * reorg.c (steal_delay_list_from_target): Use
1601 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1603 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1605 * flow.c (try_simplify_condjump): Unlink insn chain on
1606 fallthru edge; use can_fallthru.
1608 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1610 * basic-block.h (find_sub_basic_block): Declare.
1611 * flow.c (make_edges): New arguments MIN and MAX;
1612 (find_sub_basic_blocks): Revamp to use make_edges
1613 and purge_dead_edges.
1614 (find_basic_blocks): Update call of find_sub_basic_block.
1616 * recog.c (split_all_insns): Always expect CFG to be consistent;
1617 call find_sub_basic_blocks in case something has changed.
1618 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1621 * basic-block.h (delete_noop_moves): Declare.
1622 * combine.c (combine_instructions): Call it.
1623 (recog_for_combine): Tolerate noop moves
1624 (distribute_notes): Force refresh when register dies at noop move.
1625 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1627 (life_analysis): Update delete_noop_moves call.
1628 (set_noop_p): Move too ...
1629 * rtlanal.c (noop_move_p): ... here.
1630 * rtl.h (noop_move_p): Declare.
1632 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1633 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1635 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1636 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1638 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1640 * reload.c (push_reload): Fix typo in comment.
1641 (find_reloads_address): Ditto.
1642 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1644 2001-07-22 Richard Henderson <rth@redhat.com>
1646 * flow.c: Grammar check and clarify a lot of comments.
1647 (try_simplify_condjump): Rename variables to be clearer.
1648 (try_forward_edges): Skip complex and fallthru edges.
1649 Rearrange tests to avoid duplicate checks.
1650 (flow_find_cross_jump): Likewise.
1651 (outgoing_edges_match): Allow match if neither branch has
1652 probability data. Loosen probability match to 5%.
1653 (try_crossjump_to_edge): Hoist repeated indirection into
1655 (try_crossjump_bb): Don't check complex edges. Eliminate
1656 redundant crossjump tests.
1657 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1658 checks before more expensive checks.
1660 2001-07-22 Richard Henderson <rth@redhat.com>
1662 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1663 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1666 2001-07-22 Richard Henderson <rth@redhat.com>
1668 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1669 (const_sint32_operand): Likewise.
1670 * m68k.md (anon mulsi pattern): Use const_int_operand not
1671 const_sint32_operand.
1672 (umulsi3_highpart): Zero extend a constant input.
1673 (smulsi3_highpart): Don't bother checking SImode constant.
1674 (const_umulsi3_highpart): Give op3 DImode.
1675 (const_smulsi3_highpart): Likewise.
1677 2001-07-22 Richard Henderson <rth@redhat.com>
1679 * flow.c (split_block): Make sure bb_note is included in the
1680 new block when splitting before a label.
1682 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1684 * basic-block.h (redirect_edge_and_branch_force,
1685 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1686 * flow.c (redirect_edge_and_branch_force,
1687 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1688 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1689 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1690 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1691 instead of label; update CFG after transformation.
1692 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1693 for finishing the transformation; handle even case where ELSE
1694 does not follow THEN.
1695 (find_if_case_2): Update call of dead_or_predictable; simplify
1698 * emit-rtl.c (split_branch_probability): New global variable.
1699 (try_split): Take care to set split_branch_probability and
1700 create REG_BR_PROB note for new jump insns.
1701 * md.texi (define_split): Document new feature.
1703 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1705 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1707 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1708 (asm_out_file): Remove redundant declaration.
1709 (assemble_asm): Remove old #if 0 block.
1710 (assemble_variable): Remove end of function; debug output is
1711 now handled with global_decl. Remove old #if 0 block. Update.
1712 Remove saved_in_section and associated no-op code.
1713 * Makefile.in (varasm.o): Correct dependencies.
1715 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1717 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1718 the definition in defaults.h.
1720 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1722 * jump.c: Update comments.
1723 (delete_barrier_successors, delete_unreferenced_labels,
1724 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1725 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1726 jump_optimize, jump_optimize_minimal): Kill.
1727 (rebuild_jump_labels): Move code from jump_optimize_1.
1728 (purge_line_number_notes): Likewise.
1729 (copy_loop_headers): Likewise.
1730 * reg-stack.c: Update comment.
1732 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1733 JUMP_AFTER_REGSCAN): Kill.
1734 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1735 purge_line_number_notes and copy_loop_headers.
1737 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1738 Richard Henderson <rth@redhat.com>
1740 * dbxout.c (dbxout_global_decl): New.
1741 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1742 * sdbout.c (sdbout_finish): New.
1743 (sdbout_debug_hooks): Use it, add comments.
1744 (sdbout_global_decl): Defer initialised public vars to
1746 * varasm.c (assemble_variable): Don't output debug information
1747 for file-scope variables.
1749 2001-07-22 Richard Henderson <rth@redhat.com>
1751 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1752 (get_round_mode_suffix): New.
1753 (print_operand): Use them for [/]. Remove support for [&'`()+].
1754 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1755 * config/alpha/alpha.md (attr round_suffix): New.
1756 (attr trap_suffix): New.
1757 (all insns): Set them appropriately. Use %/ instead of the
1760 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1762 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1764 2001-07-22 Richard Henderson <rth@redhat.com>
1766 * regrename.c (regrename_optimize): Compute nregs for each
1767 potential target register.
1769 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1770 Richard Henderson <rth@redhat.com>
1772 * dbxout.c (dbxout_global_decl): New.
1773 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1774 * sdbout.c (sdbout_finish): New.
1775 (sdbout_debug_hooks): Use it, add comments.
1776 (sdbout_global_decl): Defer initialised public vars to
1778 * varasm.c (assemble_variable): Don't output debug information
1779 for file-scope variables.
1781 2001-07-21 H.J. Lu (hjl@gnu.org)
1783 * config/mips/mips.c (mips_cpu): Moved into ...
1784 (override_options): Here.
1786 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1788 (mips_cpu): Removed.
1790 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1792 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1793 ("iorqi3"): Likewise.
1794 ("xorqi3"): Likewise.
1795 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1796 ("*subhi3_sp): Likewise.
1797 ("*subhi3"): Likewise.
1798 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1801 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1803 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1804 * config/freebsd.h: Likewise.
1805 * config/linux.h: Likewise.
1806 * config/openbsd.h: Likewise.
1807 * config/alpha/linux-elf.h: Likewise.
1808 * config/arm/linux-elf.h: Likewise.
1809 * config/d30v/d30v.h: Likewise.
1810 * config/fr30/fr30.h: Likewise.
1811 * config/ia64/aix.h: Likewise.
1812 * config/ia64/ia64.h: Likewise.
1813 * config/mips/linux.h: Likewise.
1814 * config/pj/pj.h: Likewise.
1815 * config/rs6000/linux.h: Likewise.
1816 * config/sparc/linux.h: Likewise.
1817 * config/sparc/linux64.h: Likewise.
1819 2001-07-20 Bruce Korb <bkorb@gnu.org>
1821 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1822 because getc() and char* may disagree on signedness.
1824 2001-07-20 Richard Henderson <rth@redhat.com>
1826 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1828 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1829 insns to delete in the presence of cc0 in a jump insn.
1831 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1832 Jan Hubicka <jh@suse.cz>
1834 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1835 of doing the change by hand.
1837 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1839 * rtlanal.c (set_noop_p): Return true for noop jumps.
1841 * expr.c (emit_single_push_insn): Add call to push expander.
1842 * expr.h (optab_index): Add OTI_push
1843 (push_optab): New constant.
1844 * genopinit.c (optabs): Add push_optab.
1845 * optabs.c (init_optab): Init push optab.
1846 * md.texi (push??1): Document
1848 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1850 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1851 expand to emit the pattern; put a REG_INC note for push/pop
1853 ("movdf", "movdf_internal"): Likewise.
1854 ("movsi", "movsi_internal"): Likewise.
1855 ("movsf", "movsf_internal"): Likewise.
1856 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1858 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1860 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1863 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1865 * params.def: Change default max inline insns to 100.
1867 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1869 * combine.c (combine_simplify_rtx): Generate a new shift operation
1870 when simplifying the first operand of a (neg (ashift)) expression.
1872 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1874 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1876 2001-07-20 Kelley Cook <kelley.cook@home.com>
1878 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1879 information. Move rest into ...
1880 (*-*-solaris): ... here. Eliminate redundant information and
1881 reword necessary packages section. Delete 4.x assembler bug info.
1882 (sparc-sun-*): Merge into ...
1883 (sparc-sun-sunos*): here.
1885 2001-07-20 Catherine Moore <clm@redhat.com>
1887 * config/v850/v850.md (casesi): Generate LABEL_REF
1890 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1892 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1893 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1894 * i386.md (strclrsi expander): Use it.
1896 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1898 * integrate.c (copy_insn_list): handle
1899 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1900 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1901 identically as to CODE_LABEL.
1903 * fold-const (fold): Convert A/B/C to A/(B*C) and
1906 * except.c (connect_post_landing_pads): Delete the RESX insns.
1908 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1910 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1912 * config/mips/mips.md (nmadd/nmsub): Use macro.
1914 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1916 * cppinit.c (remove_dup_dir): Make static.
1917 (remove_dup_dirs): Make static. Only warn about preempting a
1918 system directory with a non-system directory.
1920 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1922 * ifcvt.c (noce_try_store_flag_constants): Correct order
1923 of parameters to trunc_int_for_mode.
1925 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1927 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1928 an exception that will be caught within this function, do not fill
1929 its delay slot with any subsequent instruction.
1931 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1933 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1934 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1935 pointer extension instruction.
1936 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1937 * simplify-rtx.c (simplify_unary_operation) Likewise.
1938 * explow.c (convert_memory_address) Check value of
1939 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1941 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1942 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1943 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1944 Add Multilib Support.
1945 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1946 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1947 Add Multilib Support.
1948 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1950 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1951 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1952 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1954 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1956 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1957 old and new operands in `<', `3' and `b'.
1959 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1961 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1962 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1963 (toplev.o): Don't depend on xcoffout.h.
1964 * c-decl.c: Include debug.h
1965 (duplicate_decls): Use debug hook.
1966 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1967 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1968 (dbxout_types): Remove.
1969 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1970 * debug.c (do_nothing_debug_hooks): Update.
1971 (debug_true_tree, debug_nothing_rtx): New.
1972 * debug.h (struct rtx_def): New.
1973 (struct gcc_debug_hooks): New hooks ignore_block,
1974 outlining_inline_function and label.
1975 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1976 dwarf2out_frame_finish): New.
1977 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1978 Make static, update prototype.
1979 (dwarf2_debug_hooks): Update.
1980 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1981 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1982 * dwarfout.c (dwarf_debug_hooks): Update.
1983 * emit-rtl.c: Include debug.h.
1984 (remove_unnecessary_notes): Use debug hook.
1985 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1986 (final_scan_insn): Use debug hook.
1987 * integrate.c (output_inline_function): Use debug hook.
1988 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1989 (sdb_debug_hooks): Update.
1990 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1991 * toplev.c: Don't include xcoffout.h.
1992 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1993 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1995 * tree.h (dwarf2out_do_frame): Remove.
1997 2001-07-19 Catherine Moore <clm@cygnus.com>
1999 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2001 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2003 * reload1.c (eliminate_regs_in_insn): When updating a set
2004 to the frame pointer to the hardware frame pointer, perform
2005 the update always not just when REPLACE is set.
2007 * reload1.c (choose_reload_regs): Don't inherit a reload
2008 that crosses multiple registers if registers past the first
2009 don't fit in the desired class.
2011 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2012 when negating constants.
2014 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2016 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2017 * doc/tree.texi: Ditto.
2019 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2020 Jakub Jelinek <jakub@redhat.com>
2022 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2023 (extract_cie_info): Handle "eh" augmentation properly,
2025 (struct frame_state, __frame_state_for): New.
2027 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2029 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2030 HANDLE_SYSV_PRAGMA): Define.
2031 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2033 (copy_object): Caller changed.
2035 2001-07-19 Andreas Schwab <schwab@suse.de>
2037 * configure.in (assembler dwarf2 debug_line support): Define nop
2039 * configure: Regenerated.
2041 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2043 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2045 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2046 to conditionally compiled block.
2047 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2048 * dbxout.h (dbxout_function): Remove.
2049 * debug.c (do_nothing_debug_hooks): Update.
2050 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2051 global_decl, deferred_inline_function.
2052 * dwarf2out.c (dwarf2_debug_hooks): Update.
2053 (dwarf2out_global_decl): New.
2054 * dwarfout.c: Don't include dwarfout.h.
2055 (dwarfout_global_decl, dwarfout_function_decl,
2056 dwarfout_deferred_inline_function): New.
2057 (dwarf_debug_hooks): Update.
2058 * dwarfout.h: Remove.
2059 * final.c: Don't include dwarfout.h.
2060 * sdbout.c (sdbout_global_decl): New.
2061 (sdbout_debug_hooks): Update.
2062 * toplev.c: Don't include dwarfout.h.
2063 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2064 (note_deferral_of_defined_inline_function): Remove.
2065 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2066 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2067 * ch/lex.c: Don't include dwarfout.h.
2068 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2069 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2070 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2071 * cp/optimize.c: Include debug.h.
2072 (maybe_clone_body): Use debug hook.
2073 * cp/semantics.c: Include debug.h.
2074 (expand_body): Use debug hook.
2075 * po/POTFILES.in: Remove dwarfout.h.
2077 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2079 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2080 * c-parse.in (yyerror, _yylex): Similarly.
2081 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2082 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2084 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2085 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2087 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2089 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2090 in-class declaration at -g1. Fixes c++/2814.
2092 2001-07-18 Richard Henderson <rth@redhat.com>
2094 * doc/md.texi (reload_in/out): Document restrictions in predicates
2095 and constraints for these patterns. Document empty string matching
2098 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2100 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2102 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2104 * cse.c: Undo my previous patch.
2106 2001-07-18 Tom Tromey <tromey@redhat.com>
2109 * configure: Rebuilt.
2110 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2112 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2114 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2115 Jan Hubicka <jh@suse.cz>
2117 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2118 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2119 * jump.c (mark_jump_label): Do not forward branches.
2121 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2123 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2124 when return value is unused.
2126 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2128 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2130 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2132 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2133 on error. We can't blindly return the result of
2134 pthread_mutex_trylock because it returns a positive number on
2135 error, while we must return -1 on error.
2136 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2138 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2140 2001-07-18 Andreas Jaeger <aj@suse.de>
2142 * integrate.c (output_inline_function): Correct type of debug_hooks.
2144 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2146 * combine.c (combine_simplify_rtx): DIV can be treated
2147 associatively for floats if unsafe math optimisations are enabled.
2149 2001-07-17 Richard Henderson <rth@redhat.com>
2151 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2153 2001-07-17 Richard Henderson <rth@redhat.com>
2155 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2156 don't force the function address into a register.
2157 (expand_call, emit_library_call_value_1): Update callers.
2158 * builtins.c (expand_builtin_apply): Likewise.
2159 * expr.h (prepare_call_address): Update decl.
2161 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2163 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2165 * config/i386/chorus.h: Move up.
2166 * config/sparc/chorus.h: Likewise.
2167 * config/rs6000/chorus.h: Likewise.
2168 * config/chorus.h: Moved here.
2170 2001-07-17 Andreas Schwab <schwab@suse.de>
2172 * configure.in (assembler eh_frame optimization): Handle big
2174 * configure: Regenerated.
2176 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
2178 * expr.c (epxand_expr): Convert divisions into multiplications by
2179 reciprocals if -ffast-math.
2181 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * dbxout.c (dbxout_really_begin_function): Rename to
2184 dbxout_begin_function.
2185 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2186 (dbxout_begin_function): Remove.
2187 (dbxout_function): Update.
2188 (dbxout_source_line): Update prototype.
2189 * dbxout.h (dbxout_begin_function): Remove.
2190 * debug.c (do_nothing_debug_hooks): Update.
2191 (debug_nothing_tree): Update.
2192 (debug_nothing_charstar_rtx): Remove.
2193 * debug.h (union tree_node): Declare.
2194 (struct rtx_def): Remove.
2195 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2196 begin_function. Change source_line prototype.
2197 (debug_nothing_tree): New.
2198 (debug_nothing_charstar_rtx): Delete.
2199 (dwarf2out_begin_prologue): Moved from ...
2201 * dwarf2out.c (dwarf2_debug_hooks): Update.
2202 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2203 debug info, call dwarf2out_source_line.
2204 (dwarf2out_souce_line): Update prototype.
2205 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2206 Change prototype, make static.
2207 (dwarfout_source_line): Update prototype.
2208 (dwarf_debug_hooks): Update.
2209 * dwarfout.h (dwarfout_begin_function): Remove.
2210 * final.c (final_start_function, final_scan_insn): Use appropriate
2211 debug hooks, update to use notice_source_line.
2212 (output_source_line): Rename notice_source_line. Don't call the
2213 source_line debug hook.
2214 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2215 make static, update prototype.
2216 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2218 (sdbout_end_prologue): New.
2219 (sdbout_source_line): Update prototype.
2220 (sdbout_debug_hooks): Update.
2221 (sdbout_symbol): Remove unused var.
2222 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2224 * varasm.c: Include debug.h.
2225 (assemble_start_function): Use begin_function debug_hook.
2226 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2227 update with prototype.
2228 (xcoffout_source_line): Update prototype.
2229 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2231 (xcoffout_source_line): Update prototype.
2233 2001-07-17 Richard Henderson <rth@redhat.com>
2235 * c-typeck.c (build_binary_op): Do not shorten unsigned
2236 right shift after sign extension.
2238 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2240 * combine.c (combine_simplify_rtx): Attempt to simplify
2241 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2243 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2244 (simplify_binary_operation, simplify_unary_operation,
2245 simplify_relational_operation): Use it.
2247 * combine.c (combine_simplify_rtx): Don't do associative law
2248 on divisions; allow associative law on floats.
2250 2001-07-17 H.J. Lu <hjl@gnu.org>
2251 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2253 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2254 ASM_OUTPUT_WEAK_ALIAS are defined.
2255 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2256 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2258 * config/mips/iris5.h: ... here.
2259 (HANDLE_SYSV_PRAGMA): Defined as 1.
2260 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2261 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2264 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2266 * c-parse.in (all_prefix_attributes): New variable.
2267 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2268 (maybe_resetattrs): New production.
2269 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2270 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2271 notype_initdcl, nested_function, notype_nested_function,
2272 component_decl, components, components_notype,
2273 component_declarator, component_notype_declarator,
2274 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2275 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2276 after a comma being applied to more than one declarator.
2277 * doc/extend.texi (Attribute Syntax): Update. Remove
2278 documentation of bugs that are no longer present.
2280 2001-07-13 Eric Christopher <echristo@redhat.com>
2282 * config/mips/mips.h: Change TUNE_MIPS* options to use
2284 (EXTRA_SPECS): Add cc1_cpu_spec.
2285 * config/mips/mips.md (muldf3): Fix typo.
2287 2001-07-16 Richard Henderson <rth@redhat.com>
2289 * config/m68k/m68k.c: Include expr.h and reload.h.
2290 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2291 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2293 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2294 Richard Henderson <rth@redhat.com>
2296 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2297 (insn_live_p): Fix fall off end of function.
2298 (dead_libcall_p): Remove COUNTS argument; update callers.
2299 (delete_trivially_dead_insns): Remove unused variables.
2301 2001-07-17 Andreas Jaeger <aj@suse.de>
2303 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2306 * lcm.c (optimize_mode_switching): Avoid warning for unused
2307 variable if !NORMAL_MODE.
2309 * flow.c (try_crossjump_to_edge): Remove unused variable.
2311 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2313 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2314 atexit declaration in stdlib.h.
2316 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2318 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2320 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2322 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2323 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2324 do rebuild_jump_labels instead of jump_optimize
2325 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2326 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2327 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2329 * flow.c: Include timevar.h
2330 (find_basic_block): Push/pop timevar;
2331 (cleanup_cfg): Likewise.
2332 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2333 * Makefile: Add dependencies on timevar.h
2335 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2336 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2338 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2339 * toplev.c (rest_of_compilation): Update calls.
2340 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2341 (delete_trivially_dead_insns): ... here; accept new argument
2342 preserve_basic_blocks; preserve basic blocks if set.
2344 * reg-stack.c (stack_regs_mentioned): Return 0 if
2345 stack_regs_mentioned_data is not initialized.
2346 (reg_to_stack): Make stack_regs_mentioned survive after the
2347 reg-stack is completted; do not call cleanup_cfg.
2348 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2349 make cleanup_cfg after bb-reorder to output to debug file.
2351 2001-07-16 Richard Henderson <rth@redhat.com>
2353 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2354 from int_reg_class_contents.
2356 2001-07-16 Richard Henderson <rth@redhat.com>
2358 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2359 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2360 (init_reg_sets_1): Move initialization from cse_main.
2361 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2362 (cse_main): Move its initialization also.
2363 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2364 * flow.c (propagate_one_insn): Likewise.
2365 * gcse.c (compute_hash_table): Likewise.
2366 (compute_kill_rd, compute_store_table): Likewise.
2367 * sched-deps.c (sched_analyze_1): Likewise.
2369 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2371 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2374 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2376 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2377 in if statement so we don't access undefined memory.
2379 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2381 * gcse.c: Update comment at top.
2382 Update comment on mem handling.
2383 mem_last_set, mem_first_set, mem_set_in_block: gone.
2384 Declaration of reg_set_info: gone.
2385 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2386 pointless with load_killed_in_block_p (they are *more*
2387 conservative then it, not less, and less accurate).
2388 (oprs_not_set_p): Ditto.
2389 (alloc_gcse_mem): Don't allocate mem_set_in_block
2390 (free_gcse_mem): Don't free it, either.
2391 (record_last_mem_set_info): Update comment in front, remove
2392 mem_*set_* stuff. Note the reason we don't handle stores directly
2394 (compute_hash_table): Update comments to reflect reality. Remove
2395 mem_*set_* references.
2396 (reset_opr_set_tables): Remove mem_*set_* references.
2398 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2399 (mark_clobber): Ditto (on both parts, we double set here too).
2400 (expr_killed_p): Remove mem_set_in_block test.
2401 (compute_transp): Remove mem_set_in_block test.
2403 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2404 of edge, and removal of phi alternative to dump file.
2405 (ssa_ccp_substitute_constants): Add note about register now being
2406 constant, and which uses were replaced in what insns to dump file.
2408 2001-07-16 Andreas Jaeger <aj@suse.de>
2410 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2411 variables of type HOST_WIDEST_INT.
2413 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2414 (__bb_exit_func): Correct type of count_max to avoid overflow.
2415 (num_digits): Handle long long argument.
2417 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2419 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2421 * output.h (sdb_begin_function_line): Restore as an extern
2423 * sdbout.c (sdb_begin_function_line): Make extern.
2425 2001-07-15 Richard Henderson <rth@redhat.com>
2427 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2428 * genrecog.c (maybe_both_true_mode): New.
2429 (maybe_both_true_2): Use it.
2430 (write_switch): Don't put Pmode in a switch.
2431 * rtl.c (mode arrays): Don't explicitly size them.
2433 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2435 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2436 handling; move unconditional splitting before mode switching.
2438 * i386.md (type): Add fistp type.
2439 (i387, length_attr, scheduling definitions): Handle this type.
2440 (fix_trunc?f?i2): Revamp to use mode switching.
2441 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2442 * i386.h (fp_cw_mode): New enum
2443 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2444 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2446 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2448 * Makefile.in (integrate.o): Add debug.h.
2449 * integrate.c (debug.h): Add.
2450 (output_inline_function): Save, reset, and restore debug_hooks.
2452 2001-07-15 Richard Henderson <rth@redhat.com>
2454 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2455 instead of COMPARE for the EQUIV expression.
2457 2001-07-15 Richard Henderson <rth@redhat.com>
2459 * flow.c (redirect_edge_and_branch_force): Initialize
2460 global_live_at_start and global_live_at_end.
2461 (allocate_bb_life_data): Export.
2462 * basic-block.h (allocate_bb_life_data): Declare.
2463 * toplev.c (rest_of_compilation): Call it.
2465 2001-07-15 Richard Henderson <rth@redhat.com>
2467 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2468 (alpha_tablejump_best_label): New.
2469 * config/alpha/alpha-protos.h: Declare them.
2470 * config/alpha/alpha.md: Use braced strings for code blocks.
2471 (tablejump_osf): Break out add with r29.
2472 (tablejump_osf_internal): Remove.
2473 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2474 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2476 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2478 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2481 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2483 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2484 (ix86_fp_jump_nontrivial_p): New.
2485 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2486 use ix86_fp_jump_nontrivial_p.
2487 * i386.c (ix86_fp_jump_nontrivial_p): New.
2488 (ix86_split_fp_branch): Accept code instead of rtx.
2489 (ix86_expand_compare): Expand comparison early in case
2490 doing so is resonably cheap.
2492 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2494 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2496 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2497 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2499 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2501 * dbxout.c (dbxout_source_line): Make static, update prototype.
2502 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2503 (dbxout_init, dbxout_finish, dbxout_source_line,
2504 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2505 * dbxout.h (dbxout_source_line): Delete.
2506 * debug.c (debug_nothing_file, debug_nothing_file_int,
2507 debug_nothing_file_charstar_rtx): New.
2508 (do_nothing_debug_hooks): Update.
2509 (debug_nothing_void, debug_nothing_charstar_rtx,
2510 dwarf2out_end_epilogue): New.
2511 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2512 * debug.h (struct rtx_def): Declare.
2513 (gcc_debug_hooks): New hooks source_line, end_epilogue
2515 (debug_nothing_void, debug_nothing_charstar_rtx,
2516 dwarf2out_end_epilogue): New.
2517 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2518 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2519 (dwarf2_debug_hooks): Update.
2520 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2521 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2522 * dwarf2out.h (dwarf2out_source_line): Remove.
2523 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2524 Make static, update prototype.
2525 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2526 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2527 (dwarf_debug_hooks): Update.
2528 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2529 dwarfout_end_function): Remove.
2530 * final.c (profile_function): Use debug hooks for ending functions
2532 (output_source_line, final_end_function): Update prototype,
2534 (final_start_function, final_scan_insn): Update.
2535 * output.h (sdb_begin_function_line): Remove.
2536 (final_end_function): Update prototype.
2537 * sdbout.c (sdb_begin_function_line): Make static.
2538 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2539 (sdbout_source_line): New.
2540 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2542 (sdb_debug_hooks): Update.
2543 (sdbout_init, sdbout_source_line,
2544 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2545 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2546 * toplev.c (compile_file, rest_of_compilation): Update.
2547 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2548 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2549 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2550 Update for prototype changes.
2551 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2552 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2554 2001-07-15 Richard Henderson <rth@redhat.com>
2556 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2557 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2558 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2559 * config/alpha/alpha.c: Likewise.
2560 * config/alpha/alpha.md: Likewise.
2561 * config/alpha/alpha32.h: Likewise.
2562 * config/alpha/vms.h: Likewise.
2565 2001-07-14 Richard Henderson <rth@redhat.com>
2567 * config/alpha/alpha.md: Use define_constants for unspec values.
2568 Substitute throughout.
2570 2001-07-14 Tim Josling <tej@melbpc.org.au>
2572 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2574 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2576 * pa.md: Remove unused constraints from define_split's.
2578 2001-04-14 Richard Henderson <rth@redhat.com>
2580 * ifcvt.c (find_cond_trap): Test for exit block.
2582 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2584 Re-install recently reverted patch.
2585 * emit-rtl.c (try_split): Update mark_jump_label call.
2586 * flow.c (find_sub_basic_blocks): Likewise.
2587 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2589 (mark_all_labels): Kill second parameter.
2590 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2591 (rebuild_jump_labels, jump_optimize_minimal): Update call
2593 (jump_optimize_1): Kill crossjumping code.
2594 (mark_jump_label): Kill cross_jump parameter.
2595 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2596 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2597 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2599 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2601 (dump_file_info): Likewise.
2602 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2603 reorganize passes to do reg-stack first, bb-reorder second.
2604 * invoke.texi (-d letters doc): Remove the jump2 pass.
2606 2001-07-14 Richard Henderson <rth@redhat.com>
2608 * ifcvt.c (find_cond_trap): New.
2609 (find_if_header): Call it.
2610 (merge_if_block): Relax existing jump sanity check.
2611 * jump.c (jump_optimize_1): Remove conditional trap handling.
2613 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2615 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2617 (insn_refs_are_delayed): Correct comment.
2618 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2619 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2620 instead of r31. Make associated insn !TARGET_64BIT, and
2621 provide an additional 64-bit insn that clobbers r2.
2623 (udivsi3): Likewise.
2625 (umodsi3): Likewise.
2627 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2629 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2631 * flow.c (redirect_edge_and_branch_force, split_edge,
2632 try_crossjump_to_edge): Use set_block_for_new_insns.
2633 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2635 2001-07-13 H.J. Lu (hjl@gnu.org)
2637 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2640 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2642 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2644 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2646 * c-common.c (decl_attributes): Take a pointer to the node to
2647 which attributes are to be attached, and a flags argument.
2648 * c-common.h (enum attribute_flags): New.
2649 (decl_attributes): Update prototype.
2650 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2651 finish_enum, start_function): Update calls to decl_attributes.
2652 * c-parse.in (component_declarator, component_notype_declarator,
2653 label): Update calls to decl_attributes.
2655 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2657 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2658 * config/avr/avr.c (legitimate_address_p): Return value changed
2659 from letter to register classes. For better debugging.
2661 2001-07-13 Kazu Hirata <kazu@hxi.com>
2663 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2665 2001-07-13 H.J. Lu (hjl@gnu.org)
2667 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2669 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2671 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2672 correctly for shared configurations.
2673 * config/t-libgcc-pic: New.
2674 * config/{i386,m68k,sparc}/t-openbsd: New.
2675 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2676 Support -shared. Support debugging libraries with -g.
2677 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2678 frame information does not emit pointer diffs.
2679 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2682 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2684 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2686 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2688 * combine.c (try_combine): Ensure const_int pow2 is positive.
2690 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2692 * config.gcc: Add configuration for s/390.
2693 * config/s390/s390.c: New. Subroutines for code generation.
2694 * config/s390/s390.h: New. Definitions for s/390.
2695 * config/s390/s390-protos.h: New. Prototypes.
2696 * config/s390/linux.h: New. Definitions for linux for s/390.
2697 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2698 * config/s390/t-linux: New. Makefile fragment.
2699 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2700 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2702 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2704 * emit-rtl.c (try_split): Update mark_jump_label call.
2705 * flow.c (find_sub_basic_blocks): Likewise.
2706 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2708 (mark_all_labels): Kill second parameter.
2709 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2710 (rebuild_jump_labels, jump_optimize_minimal): Update call
2712 (jump_optimize_1): Kill crossjumping code.
2713 (mark_jump_label): Kill cross_jump parameter.
2714 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2715 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2716 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2718 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2720 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2721 reorganize passes to do reg-stack first, bb-reorder second.
2722 * invoke.texi (-d letters doc): Remove the jump2 pass.
2724 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2726 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2728 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2730 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2732 (verify_flow_info): Make diagnostics prettier.
2734 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2736 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2738 * flow.c (outgoing_edges_match): Return early if condition reversal
2741 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2743 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2744 (mips_move_2words): When splitting a move into two instructions,
2745 prefix the second address operand with '%D'.
2747 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2749 * Makefile.in (final.o): Depend on debug.h.
2750 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2751 (dbx_debug_hooks): Add new hooks.
2752 (xcoff_debug_hooks): New.
2753 * debug.c (debug_nothing_file_int_int): New.
2754 (do_nothing_debug_hooks): Update.
2755 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2756 (debug_nothing_file_int_int): New.
2757 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2758 static, update prototype.
2759 (dwarf2_debug_hooks): Update.
2760 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2761 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2762 static, update prototype.
2763 (dwarf_debug_hooks): Update.
2764 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2765 * final.c: Include debug.h.
2766 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2767 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2768 static, update prototype.
2769 (sdb_debug_hooks): Update.
2770 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2771 * toplev.c: Distinguish between xcoff and dbx.
2773 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2774 Call all debug hooks, not just dwarf ones.
2776 2001-07-11 Timothy Wall <twall@redhat.com>
2778 * config.gcc: Add configuration for AIX5/IA64.
2779 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2780 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2781 support prefix/suffix code.
2782 * config/ia64/t-aix: New. Makefile fragment.
2783 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2785 2001-07-11 Kazu Hirata <kazu@hxi.com>
2787 * recog.c (validate_change): Fix a comment typo.
2789 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2791 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2792 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2794 * dbxout.c (dbx_debug_hooks): Add new hooks.
2795 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2797 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2799 * dbxout.h (dbxout_start_new_source_file,
2800 dbxout_resume_previous_source_file): Delete.
2801 * debug.c (do_nothing_debug_hooks): Add new hooks.
2802 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2803 (debug_nothing_int_charstar, debug_nothing_int): New.
2804 * debug.h (gcc_debug_hooks): New hooks define, undef,
2805 start_source_file and end_source_file.
2806 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2807 (debug_nothing_int_charstar, debug_nothing_int): New.
2808 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2809 the conditionally compiled section.
2810 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2811 dwarf2out_define, dwarf2out_undef): Make static.
2812 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2813 dwarf2out_define, dwarf2out_undef): Remove.
2814 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2815 (dwarfout_start_source_file, dwarfout_end_source_file,
2816 dwarfout_define, dwarfout_undef): Make static.
2817 (dwarfout_start_source_file_check,
2818 dwarfout_end_source_file_check): New.
2819 (dwarfout_define, dwarfout_finish): Update.
2820 * dwarfout.h (dwarfout_start_new_source_file,
2821 dwarfout_resume_previous_source_file, dwarfout_define,
2822 dwarfout_undef): Remove.
2823 * sdbout.c (sdb_debug_hooks): Add new hooks.
2824 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2826 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2827 make static, take an arg.
2828 * sdbout.h (sdbout_start_new_source_file,
2829 sdbout_resume_previous_source_file): Delete.
2830 * toplev.c (debug_start_source_file, debug_end_source_file,
2831 debug_define, debug_undef): Delete.
2832 * toplev.h (debug_start_source_file, debug_end_source_file,
2833 debug_define, debug_undef): Delete.
2835 * java/jcf-parse.c: Include debug.h.
2836 (parse_class_file): Update to use debug hooks directly.
2837 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2839 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2841 * alias.c (set_mem_alias_set): New function.
2842 * rtl.h (set_mem_alias_set): Declare it.
2843 * builtins.c (expand_builtin_return_addr): Call it instead of
2844 using MEM_ALIAS_SET accessor.
2845 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2846 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2847 (expand_builtin_va_copy):Likewise.
2848 * caller-save.c (setup_save_areas): Likewise.
2849 * calls.c (compute_argument_addresses): Likewise.
2850 * explow.c (set_mem_attributes): Likewise.
2851 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2852 (expand_assignment, store_constructor_field, store_field): Likewise.
2853 (expand_expr_unaligned): Likewise.
2854 * function.c (assign_stack_temp_for_type): Likewise.
2855 (put_reg_into_stack, gen_mem_addressof): Likewise.
2856 * ifcvt.c (noce_try_cmove_arith): Likewise.
2857 * reload1.c (reload, alter_reg): Likewise.
2858 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2859 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2860 (alpha_expand_unaligned_store): Likewise
2861 (alpha_expand_unaligned_load_words): Likewise.
2862 (alpha_expand_unaligned_store_words): Likewise.
2863 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2864 (alpha_expand_epilogue): Likewise.
2865 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2866 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2867 * config/i386/i386.c (legitimize_pic_address): Likewise.
2868 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2869 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2870 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2871 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2872 * config/mips/mips.c (mips_va_arg): Likewise.
2873 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2874 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2875 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2876 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2877 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2878 (rs6000_emit_epilogue): Likewise.
2879 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2880 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2881 * config/v850/v850.c (v850_va_arg): Likewise.
2883 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2885 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2886 when fallthru edge is present.
2887 (mege_blocks): Handle case where creation of jump insn
2890 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2891 CLEANUP_POST_REGSTACK): New constants.
2892 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2893 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2894 * output.h (cleanup_cfg): Update prototype.
2895 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2896 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2897 cleanup_cfg call; kill missleading comment.
2898 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2899 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2900 parameter; control optimizations performed using it.
2901 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2902 try_crossjump_bb): New functions.
2904 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2906 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2908 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2909 pa_output_function_prologue.
2910 * pa-protos.h (pa_output_function_prologue): New prototype.
2912 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2914 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2915 and low to get correct sign extension in low+high test.
2917 2001-07-11 Janis Johnson <janis@us.ibm.com>
2919 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2920 for large hit count.
2922 * profile.c (branch_prob): Fix .bbg info for computed gotos
2925 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2927 * stmt.c (parse_output_constraint): New function, split out
2929 (expand_asm_operands): ... here. Use parse_output_constraint.
2930 * tree.h (parse_output_constraint): Declare it.
2932 2001-07-11 Richard Henderson <rth@redhat.com>
2934 * bitmap.c: Comment some functions; fiddle whitespace.
2935 (bitmap_free): Don't export.
2936 (bitmap_element_allocate): Use memset.
2937 * bitmap.h (bitmap_free): Don't declare.
2939 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2941 * gcse.c, lcm.c, sched-deps.c:
2942 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2944 * flow.c (flow_loops_find): Free dom if we found no loops, since
2945 we aren't going to save it.
2947 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2950 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2952 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2954 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2956 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2957 #ifndef DWARF2_DEBUGGING_INFO.
2959 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2961 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2963 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2965 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2966 reverse a branch if a NE comparison is implemented with GTU.
2968 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2969 H.J. Lu <hjl@gnu.org>
2971 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2973 (call_internal2): Likewise.
2974 (call_value_internal1): Likewise.
2975 (call_value_internal2): Likewise.
2976 (call_value_multiple_internal1): Likewise.
2977 (call_value_multiple_internal2): Likewise.
2979 2001-07-10 Kazu Hirata <kazu@hxi.com>
2981 * calls.c (emit_library_call_value_1): Fix a comment typo.
2982 * dwarf2out.c (mem_loc_descriptor): Likewise.
2983 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2985 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2987 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2989 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2991 * recog.c (offsettable_address_p): Handle LO_SUM case.
2992 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2993 instead of plus_constant.
2995 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2997 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2998 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3000 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3002 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3003 adjust_address_nv instead of plus_constant.
3005 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3007 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3008 dwarf2out.o): Depend on debug.h, wrap long lines.
3009 * dbxout.c: Include debug.h.
3010 (dbx_debug_hooks): New.
3011 (dbxout_init): Make static, take just 2 args.
3012 (dbxout_finish): Make static.
3013 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3014 * debug.c: New file.
3015 * debug.h: New file.
3016 * dwarf2out.c: Include debug.h.
3017 (dwarf2_debug_hooks): New.
3018 (dwarf2out_init): Make static.
3019 (dwarf2out_finish): Make static, take 2 args.
3020 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3021 * dwarfout.c: Include debug.h.
3022 (dwarf_debug_hooks): New.
3023 (dwarfout_init): Make static.
3024 (dwarfout_finish): Make static, take 2 args.
3025 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3026 * sdbout.c: Include debug.h.
3027 (sdb_debug_hooks): New.
3028 (sdbout_init): Make static, take 2 args.
3029 * sdbout.h (sdbout_init): Delete.
3030 * toplev.c: Include debug.h.
3032 (compile_file): Set deubg_hooks based on command line options.
3033 Use the hooks unconditionally rather than conditional compilation.
3035 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3037 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3038 first_insn_after_basic_block_note instead.
3040 * df.c (df_bb_refs_unlink): #if 0 out for now.
3042 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3044 * ssa.h: Add prototype for ssa_const_prop
3045 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3046 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3047 (ssa_fast_dce): Remove unused variable
3049 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3051 * diagnostic.c (finish_diagnostic): Rename to
3052 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3055 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3057 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3060 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3061 (dump_file): Only pad the demangled name with spaces if the
3062 mangled name was padded with spaces.
3064 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3066 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3069 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3071 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3072 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3075 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3076 whether can put offset inside LO_SUM to check mode alignment, not size.
3078 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3080 * doc/tm.texi (Misc): Fix thinko.
3082 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3084 * regmove.c (replace_in_call_usage): Fix warnings.
3085 * sched-deps.c (add_dependence): Fix warnings.
3086 * simplify-rtx.c (simplify_subreg): Likewise.
3087 Return NULL_RTX instead of NULL.
3089 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3090 (subst_asm_stack_regs): Likewise.
3092 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3095 * dwarf2out.c (output_call_frame_info): Declare i as int.
3096 (build_abbrev_table): Declare n_alloc as int.
3097 (dwarf2out_finish): Initialize die.
3098 * except.c: Declare sjlj_funcdef_number as unsigned.
3099 (connect_post_landing_pads): Declare j as unsigned.
3100 (convert_to_eh_region_ranges): Initialize call_site.
3101 (output_function_exception_table): Initialize tt_format_size.
3102 * expr.c (move_by_pieces_1): Initialize to1.
3103 (store_constructor): Initialize minelt and maxelt.
3104 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3105 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3107 * c-decl.c (combine_parm_decls): Unused, remove.
3108 * c-tree.h: Remove prototype for combine_parm_decls.
3110 * reload.c (push_reload): Fix warning.
3111 (regno_clobbered_p): Likewise.
3112 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3113 (reload_combine): Likewise.
3115 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3116 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3118 * bitmap.c (bitmap_operation): Change user.
3119 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3121 2001-07-10 Eric Christopher <echristo@redhat.com>
3123 * config/mips/mips.c (override_options): Fix typo.
3125 2001-07-09 Stan Shebs <shebs@apple.com>
3127 * target.h (struct gcc_target): New fields init_builtins and
3129 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3130 (TARGET_EXPAND_BUILTIN): New macro.
3131 (TARGET_INITIALIZER): Add them.
3132 * builtins.c: Include target.h.
3133 (expand_builtin): Use targetm.expand_builtin.
3134 (default_init_builtins): New function.
3135 (default_expand_builtin): New function.
3136 * expr.h (default_init_builtins): Declare.
3137 (default_expand_builtin): Declare.
3138 * c-common.c (c_common_nodes_and_builtins): Use
3139 targetm.init_builtins.
3140 * defaults.h (MD_INIT_BUILTINS): Remove.
3141 * Makefile.in (builtins.o): Depend on target.h.
3143 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3144 (TARGET_EXPAND_BUILTIN): Define.
3145 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3146 (MD_EXPAND_BUILTIN): Remove.
3148 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3149 (TARGET_EXPAND_BUILTIN): Define.
3150 (c4x_init_builtins): Make endlink arg a local.
3151 (c4x_print_operand): Fix typos in adjust_address usages.
3152 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3153 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3154 (MD_EXPAND_BUILTIN): Remove.
3156 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3157 (TARGET_EXPAND_BUILTIN): Define.
3158 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3159 (ix86_init_builtins): Call new function only if TARGET_MMX.
3160 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3161 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3162 (MD_EXPAND_BUILTIN): Remove.
3164 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3165 (TARGET_EXPAND_BUILTIN): Define.
3166 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3167 (MD_EXPAND_BUILTIN): Remove.
3169 * doc/tm.texi: Document these changes.
3171 2001-07-09 Diego Novillo <dnovillo@redhat.com>
3173 * basic-block.h (tree_node): Forward declare if needed.
3174 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
3175 (BLOCK_HEAD_TREE): Define.
3176 (BLOCK_END_TREE): Define.
3177 (struct loops): Rename field 'tree' to 'tree_root'.
3178 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
3180 (flow_loops_tree_build): Rename reference to field 'tree' to
3182 (flow_loops_level_compute): Ditto.
3183 * predict.c (estimate_bb_frequencies): Ditto.
3184 * tree.h (struct tree_common): Add field 'aux'.
3186 2001-07-09 Stan Shebs <shebs@apple.com>
3188 * config/darwin.c (darwin_encode_section_info): Don't mark any
3189 DECL_EXTERNAL node as defined.
3191 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3193 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3194 pa_free_machine_status, hppa_init_pic_save): Delete.
3195 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3196 (hppa_profile_hook): Use hppa_pic_save_rtx.
3197 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3198 hppa_init_pic_save): Delete.
3199 (hppa_pic_save_rtx): Declare.
3200 * pa.md (call, call_value, sibcall, sibcall_value,
3201 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3203 2001-07-09 Kazu Hirata <kazu@hxi.com>
3205 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3206 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3208 2001-07-09 Andreas Jaeger <aj@suse.de>
3210 * output.h: Add declaration of final_forward_branch_p.
3212 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3214 * varray.c: Include errors.h for internal_error and trim_filename
3217 * Makefile.in (varray.o): Add errors.h.
3219 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3221 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3222 * optabs.c (have_add2_insn): Check whether the add insn chosen
3223 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3224 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3226 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3228 * Makefile.in (OBJS): Add ssa-ccp.o
3229 (ssa-ccp.o): Add dependencies.
3230 * toplev.c (DFI_ssa_ccp): New dump file enum.
3231 (dump_file): Add entry for dumping after SSA CCP.
3232 (flag_ssa_ccp): New flag variable.
3233 (f_options): Add -fssa-ccp.
3234 (rest_of_compilation): Run SSA CCP if requested.
3235 * timevar.def (TV_SSA_CCP): New timevar.
3236 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3237 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3238 Fix minor typo in SSA DCE documentation.
3239 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3240 Add documentation for new dump option. Renumber dump files
3243 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3245 * emit-rtl.c (gen_highpart_mode): New.
3246 * rtl.h (gen_highpart_mode): Declare.
3247 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3248 operand can be VOIDmode constant.
3250 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3252 * flow.c (redirect_edge_and_branch_force): New.
3253 (can_fallthru): Ensure that basic blocks are succeeding.
3254 (try_optimize_cfg): Do not delete basic block if it is the last one.
3256 * flow.c (try_redirect_by_replacing_jump): Do not remove
3257 jumps with side effects, unlink chain on fallthru edge;
3258 set block for new jump instruction; avoid basic block to
3259 over by line number note.
3261 * flow.c (try_simplify_condjump): Verify that the condjump
3262 is not always falling trought.
3265 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3267 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3268 (try_redirect_by_replacing_jump): Update properly the count
3269 and frequency information.
3271 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3273 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3274 address that is a LO_SUM specially.
3275 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3277 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3279 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3280 (operand_subword): Use them.
3281 (change_address_1): Renamed from change_address; new arg VALIDATE.
3282 * expr.h: Reflect above changes; change_address now macro.
3283 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3285 * cselib.c (add_mem_for_addr): Likewise.
3286 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3287 * regmove.c (try_apply_stack_adjustment): Likewise.
3288 * reload.c (push_reload, make_memloc): Likewise.
3289 * reload1.c (eliminate_regs): Likewise.
3290 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3291 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3293 * combine.c (make_extraction, simplify_shift_const): Likewise.
3294 (gen_lowpart_for_combine): Likewise.
3295 * cse.c (gen_lowpart_if_possible): Likewise.
3296 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3297 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3298 * optabs.c (gen_move_insn): Likewise.
3299 * reload1.c (alter_reg): Likewise.
3300 * simplify-rtx.c (simplify_subreg): Likewise.
3301 * stmt.c (expand_anon_union_decl): Likewise.
3302 * recog.c (validate_replace_rtx_1): Likewise.
3304 * Makefile.in (recog.o): Add $(EXPR_H).
3305 * explow.c (stabilize): Call replace_equiv_address.
3306 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3307 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3309 2001-07-03 Andrew Haley <aph@redhat.com>
3311 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3312 the mode of the memory location.
3314 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3316 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3318 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3320 * final.c (output_addr_const): Use target opening and
3321 closing parentheses.
3322 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3323 defaults, add to TARGET_ASM_OUT.
3324 * target.h (struct gcc_target): Add open_paren and close_paren.
3325 * doc/md.texi: Update.
3326 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3327 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3328 TARGET_ASM_CLOSE_PAREN.
3329 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3331 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3333 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3334 * config/a29k/a29k.h: Similarly.
3335 * config/alpha/alpha.h: Similarly.
3336 * config/arc/arc.h: Similarly.
3337 * config/arm/aof.h: Similarly.
3338 * config/arm/aout.h: Similarly.
3339 * config/avr/avr.h: Similarly.
3340 * config/c4x/c4x.h: Similarly.
3341 * config/clipper/clipper.h: Similarly.
3342 * config/convex/convex.h: Similarly.
3343 * config/d30v/d30v.h: Similarly.
3344 * config/dsp16xx/dsp16xx.h: Similarly.
3345 * config/elxsi/elxsi.h: Similarly.
3346 * config/fr30/fr30.h: Similarly.
3347 * config/h8300/h8300.h: Similarly.
3348 * config/i370/i370.h: Similarly.
3349 * config/i386/i386.h: Similarly.
3350 * config/i860/i860.h: Similarly.
3351 * config/i960/i960.h: Similarly.
3352 * config/ia64/ia64.h: Similarly.
3353 * config/m32r/m32r.h: Similarly.
3354 * config/m68hc11/m68hc11.h: Similarly.
3355 * config/m68k/m68k.h: Similarly.
3356 * config/m88k/m88k.h: Similarly.
3357 * config/mcore/mcore.h: Similarly.
3358 * config/mips/mips.h: Similarly.
3359 * config/mn10200/mn10200.h: Similarly.
3360 * config/mn10300/mn10300.h: Similarly.
3361 * config/ns32k/ns32k.h: Similarly.
3362 * config/pa/pa.h: Similarly.
3363 * config/pdp11/pdp11.h: Similarly.
3364 * config/pj/pj.h: Similarly.
3365 * config/romp/romp.h: Similarly.
3366 * config/rs6000/rs6000.h: Similarly.
3367 * config/sh/sh.h: Similarly.
3368 * config/sparc/sparc.h: Similarly.
3369 * config/v850/v850.h: Similarly.
3370 * config/vax/vax.h: Similarly.
3371 * config/we32k/we32k.h: Similarly.
3373 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3375 * doc/c-tree.texi: Document representation of attributes.
3377 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3379 * doc/tm.texi: Update some places for the rename of target to
3382 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3384 * target.h (struct gcc_target): Add insert_attributes.
3385 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3386 (TARGET_INITIALIZER): Update.
3387 * tree.c, tree.h (default_insert_attributes): New function.
3388 Update comments on other default functions to refer to targetm,
3390 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3391 TARGET_INSERT_ATTRIBUTES.
3392 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3393 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3394 Don't use PRAGMA_INSERT_ATTRIBUTES.
3395 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3396 * c-decl.c (start_decl, start_function): Don't call
3397 SET_DEFAULT_DECL_ATTRIBUTES.
3398 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3399 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3401 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3402 (c4x_check_attribute): Avoid modifying attribute list itself.
3403 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3405 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3406 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3408 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3409 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3411 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3412 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3414 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3415 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3416 Adjust parameters. Make static.
3418 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3420 * c-common.c (decl_attributes): Only take a single attributes
3422 * c-common.h (decl_attributes): Update prototype.
3423 * c-decl.c (start_decl, start_function): Only take a single
3424 attributes parameter. Update calls to decl_attributes.
3425 (finish_struct, finish_enum): Update calls to decl_attributes.
3426 (push_parm_decl): Expect unified list of attributes. Update call
3428 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3429 notype_nested_function, component_declarator,
3430 component_notype_declarator, label): Update calls to
3432 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3433 lists that are passed to push_parm_decl.
3434 * c-tree.h (start_function, start_decl): Update prototypes.
3435 * config/sh/sh-protos.h, config/sh/sh.c
3436 (sh_pragma_insert_attributes): Only take a single attributes
3438 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3439 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3440 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3441 build_module_descriptor, generate_static_references,
3442 generate_strings, build_selector_translation_table,
3443 generate_descriptor_table, generate_protocols,
3444 generate_ivars_list, generate_dispatch_table,
3445 generate_protocol_list, generate_category,
3446 generate_shared_structures, really_start_method, add_objc_decls,
3447 generate_classref_translation_entry): Update calls to start_decl
3449 (build_tmp_function_decl, start_method_def): Unify attribute lists
3450 that are passed to push_parm_decl.
3452 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3454 * final.c (no_asm_to_stream): New.
3455 (final_scan_insn): Use target structures for prologue ends
3456 and epilogue starts.
3457 * output.h (no_asm_to_stream): New.
3458 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3459 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3460 (TARGET_ASM_OUT): Update.
3461 * target.h (struct gcc_target): New members function_end_prologue
3462 and function_begin_epilogue.
3463 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3464 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3465 * config/alpha/alpha.c (output_end_prologue): Rename to
3466 alpha_output_function_end_prologue. Use in target struct
3468 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3469 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3470 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3471 ia64_output_function_end_prologue. Use in target struct
3473 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3474 mistyped prototypes.
3475 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3476 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3478 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3479 an use in target struct, make static.
3480 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3483 2001-07-08 Richard Henderson <rth@redhat.com>
3485 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3487 2001-07-08 Richard Henderson <rth@redhat.com>
3489 * config/i386/i386.md: Remove constraints strings from define_split
3490 and define_peephole2 patterns.
3491 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3492 (eh_return): Use them.
3494 2001-07-08 Richard Henderson <rth@redhat.com>
3496 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3497 Document MD_FALLBACK_FRAME_STATE_FOR.
3499 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3501 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3502 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3504 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3506 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3508 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3509 of the label inside NAME as opposed to just the end of NAME.
3511 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3514 * config/alpha/alpha.c (alpha_init_machine_status,
3515 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3516 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3517 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3518 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3520 2001-07-06 Stan Shebs <shebs@apple.com>
3522 * target.h (targetm): Rename global from "target", so as not to
3523 conflict with local variables.
3525 * c-typeck.c: Ditto.
3529 * cp/decl2.c: Ditto.
3530 * cp/typeck.c: Ditto.
3531 * 1750a/1750a.c: Ditto.
3532 * a29k/a29k.c: Ditto.
3536 * clipper/clipper.c: Ditto.
3537 * convex/convex.c: Ditto.
3538 * d30v/d30v.c: Ditto.
3539 * dsp16xx/dsp16xx.c: Ditto.
3540 * elxsi/elxsi.c: Ditto.
3541 * fr30/fr30.c: Ditto.
3542 * h8300/h8300.c: Ditto.
3543 * i370/i370.c: Ditto.
3544 * i386/i386.c: Ditto.
3545 * i860/i860.c: Ditto.
3546 * i960/i960.c: Ditto.
3547 * ia64/ia64.c: Ditto.
3548 * m32r/m32r.c: Ditto.
3549 * m68hc11/m68hc11.c: Ditto.
3550 * m68k/m68k.c: Ditto.
3551 * m88k/m88k.c: Ditto.
3552 * mips/mips.c: Ditto.
3553 * ns32k/ns32k.c: Ditto.
3555 * pdp11/pdp11.c: Ditto.
3556 * romp/romp.c: Ditto.
3557 * rs6000/rs6000.c: Ditto.
3559 * sparc/sparc.c: Ditto.
3561 * we32k/we32k.c: Ditto.
3562 * doc/tm.texi: Update the manual to match.
3564 2001-07-06 Richard Henderson <rth@redhat.com>
3566 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3567 DWARF2_UNWIND_INFO not just whether it is defined.
3569 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3571 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3572 call to simplify_binary_operation returns a new pattern.
3574 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3576 * glimits.h (__SHRT_MAX__): New.
3577 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3578 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3580 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3582 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3585 2001-07-06 Richard Henderson <rth@redhat.com>
3587 * bitmap.c (bitmap_release_memory): Move adjacent to the
3588 allocation functions.
3589 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3590 the implementation. Binary search for the set bit.
3591 (bitmap_union_of_diff): Allocate the temporary on the stack
3592 instead of using xmalloc.
3594 2001-07-06 Richard Henderson <rth@redhat.com>
3596 * genrecog.c (validate_pattern): Warn for constraints in
3597 define_{expand,split,peephole2}. Remove strict_low_part
3598 before looking up match_dup.
3600 2001-07-06 DJ Delorie <dj@redhat.com>
3602 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3603 chapter about various build hints and history. Add section
3604 talking about the various types of native and cross builds.
3606 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3608 * Makefile.in (final.o): Depend on target.h.
3609 * final.c: Include target.h.
3610 (default_function_pro_epilogue): New.
3611 (final_start_function): Use target structure for function prologues.
3612 (final_end_function): Use target structure for function epilogues.
3613 * fold-const.c (real_hex_to_f): Constify s and p.
3614 * output.h (default_function_pro_epilogue): New.
3615 * real.h (real_hex_to_f): Update prototype.
3616 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3617 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3618 (TARGET_INITIALIZER): Update.
3619 * target.h (gcc_target): Add struct asm_out.
3620 * doc/tm.texi: Update.
3623 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3624 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3625 in cpu/cpu.c, or rename old functions consistently. Take
3626 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3627 redundant macros and prototypes. Make new functions static.
3629 * 1750a/1750a.c: Similarly.
3630 * 1750a/1750a.h: Similarly.
3631 * a29k/a29k-protos.h: Similarly.
3632 * a29k/a29k.c: Similarly.
3633 * a29k/a29k.h: Similarly.
3634 * arc/arc-protos.h: Similarly.
3635 * arc/arc.c: Similarly.
3636 * arc/arc.h: Similarly.
3637 * arm/arm-protos.h: Similarly.
3638 * arm/arm.c: Similarly.
3639 * arm/arm.h: Similarly.
3640 * avr/avr-protos.h: Similarly.
3641 * avr/avr.c: Similarly.
3642 * avr/avr.h: Similarly.
3643 * clipper/clipper-protos.h: Similarly.
3644 * clipper/clipper.c: Similarly.
3645 * clipper/clipper.h: Similarly.
3646 * convex/convex.c: Similarly.
3647 * convex/convex.h: Similarly.
3648 * d30v/d30v-protos.h: Similarly.
3649 * d30v/d30v.c: Similarly.
3650 * d30v/d30v.h: Similarly.
3651 * d30v/d30v.md: Similarly.
3652 * dsp16xx/dsp16xx-protos.h: Similarly.
3653 * dsp16xx/dsp16xx.c: Similarly.
3654 * dsp16xx/dsp16xx.h: Similarly.
3655 * elxsi/elxsi.c: Similarly.
3656 * elxsi/elxsi.h: Similarly.
3657 * fr30/fr30.c: Similarly.
3658 * fr30/fr30.md: Similarly.
3659 * h8300/h8300-protos.h: Similarly.
3660 * h8300/h8300.c: Similarly.
3661 * h8300/h8300.h: Similarly.
3662 * i370/i370-protos.h: Similarly.
3663 * i370/i370.c: Similarly.
3664 * i370/i370.h: Similarly.
3665 * i386/i386.c: Similarly.
3666 * i386/osf1elf.h: Similarly.
3667 * i386/osfrose.h: Similarly.
3668 * i860/i860-protos.h: Similarly.
3669 * i860/i860.c: Similarly.
3670 * i860/i860.h: Similarly.
3671 * i960/i960-protos.h: Similarly.
3672 * i960/i960.c: Similarly.
3673 * i960/i960.h: Similarly.
3674 * ia64/ia64-protos.h: Similarly.
3675 * ia64/ia64.c: Similarly.
3676 * ia64/ia64.h: Similarly.
3677 * m32r/m32r-protos.h: Similarly.
3678 * m32r/m32r.c: Similarly.
3679 * m32r/m32r.h: Similarly.
3680 * m68hc11/m68hc11-protos.h: Similarly.
3681 * m68hc11/m68hc11.c: Similarly.
3682 * m68hc11/m68hc11.h: Similarly.
3683 * m68k/crds.h: Similarly.
3684 * m68k/dpx2.h: Similarly.
3685 * m68k/m68k-protos.h: Similarly.
3686 * m68k/m68k.c: Similarly.
3687 * m68k/m68k.h: Similarly.
3688 * m68k/news.h: Similarly.
3689 * m88k/m88k-protos.h: Similarly.
3690 * m88k/m88k.c: Similarly.
3691 * m88k/m88k.h: Similarly.
3692 * mips/mips-protos.h: Similarly.
3693 * mips/mips.c: Similarly.
3694 * mips/mips.h: Similarly.
3695 * ns32k/merlin.h: Similarly.
3696 * ns32k/ns32k.c: Similarly.
3697 * ns32k/ns32k.h: Similarly.
3698 * ns32k/tek6000.h: Similarly.
3699 * pa/pa-protos.h: Similarly.
3700 * pa/pa.c: Similarly.
3701 * pa/pa.h: Similarly.
3702 * pdp11/2bsd.h: Similarly.
3703 * pdp11/pdp11-protos.h: Similarly.
3704 * pdp11/pdp11.c: Similarly.
3705 * pdp11/pdp11.h: Similarly.
3706 * romp/romp-protos.h: Similarly.
3707 * romp/romp.c: Similarly.
3708 * romp/romp.h: Similarly.
3709 * rs6000/rs6000-protos.h: Similarly.
3710 * rs6000/rs6000.c: Similarly.
3711 * rs6000/rs6000.h: Similarly.
3712 * rs6000/sysv4.h: Similarly.
3713 * sh/sh-protos.h: Similarly.
3714 * sh/sh.c: Similarly.
3715 * sh/sh.h: Similarly.
3716 * sparc/sparc-protos.h: Similarly.
3717 * sparc/sparc.c: Similarly.
3718 * sparc/sparc.h: Similarly.
3719 * vax/vax.c: Similarly.
3720 * vax/vax.h: Similarly.
3721 * vax/vms.h: Similarly.
3722 * we32k/we32k.c: Similarly.
3723 * we32k/we32k.h: Similarly.
3725 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3727 * basic-block.h (first_insn_after_basic_block_note): Declare.
3728 * flow.c (first_insn_after_basic_block_note): Define. Moved
3730 * ssa.c (first_insn_after_basic_block_note): Remove.
3731 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3733 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3734 nodes when we find a dead conditional branch. Insert BARRIERs
3735 after any blocks with no successors, but which do not have
3738 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3740 * varray.c (varray_check_failed): Use internal_error.
3742 2001-07-05 Andrew Haley <aph@redhat.com>
3744 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3745 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3746 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3748 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3750 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3751 reference if the target constant is also a SYMBOL_REF.
3753 2001-07-05 Eric Christopher <echristo@redhat.com>
3755 * config/mips/mips.h (MASK_MIPS3900): Remove.
3756 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3757 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3758 (TARGET_MIPS3900): Change to use mips_arch.
3759 (TARGET_MIPS4000): New.
3760 (TARGET_MIPS4100): New.
3761 (TARGET_MIPS4300): New.
3762 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3763 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3765 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3766 (ISA_HAS_BRANCHLIKELY): To here.
3767 (CC1_CPU_SPEC): New.
3768 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3769 (mips_arch_string): Declare.
3770 (mips_arch): Declare.
3771 (TARGET_OPTIONS): Add -march and -mtune.
3773 * config/mips/mips.c (mips_arch_string): New.
3775 (override_options): Handle -march for codegen and -mtune
3776 for scheduling. Use mips_arch. Move tx39 target default here.
3777 (mips_parse_cpu): Move error message to override_options.
3779 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3781 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3783 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3784 (MIPS Options): Ditto. Change mcpu entry to historical text.
3786 2001-07-05 H.J. Lu (hjl@gnu.org)
3788 * config/mips/mips.c (mips_parse_cpu): New function to parse
3791 2001-07-05 Jim Wilson <wilson@redhat.com>
3793 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3794 * config/ia64/t-ia64: Likewise.
3795 (LIB1ASMFUNCS): Update comment.
3797 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3799 * doc/install.texi (Install GCC: Binaries): Fix typo.
3801 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3803 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3804 reference using the stack pointer, adjust it since we push Y
3806 ("*ashrsi3"): Likewise.
3807 ("*lshrsi3"): Likewise.
3809 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3811 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3812 when -fomit-frame-pointer is used.
3814 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3816 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3817 (try_redirect_by_replacing_jump): Reverse updating properly the
3818 count and frequency information. Reverse removing cc0 setter.
3819 (forwarder_block_p): Reverse fixing for fallthru blocks.
3821 2001-07-05 DJ Delorie <dj@redhat.com>
3823 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3824 (translate_options): If the above is defined, use it to map
3825 given options to new options.
3826 * doc/tm.texi: Document it.
3828 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3829 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3831 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3832 cause programs using computed gotos to run more slowly.
3834 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3836 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3838 Consistently require binutils 2.11.2, not prereleases.
3839 (Specific, decstation-*): Canonicalize as mips-dec-*.
3840 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3842 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3843 (Specific, mips-*): Reword MIPS C compiler requirements.
3844 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3845 (Specific, sunv5): Removed, obsolete.
3847 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3849 * dwarf2out.c (output_loc_list): Use an all ones mask for
3850 .text asm output and don't rely on long long
3851 literals. Reformat some long lines.
3853 2001-07-05 Andreas Jaeger <aj@suse.de>
3855 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3858 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3860 * dwarf2out.c (dwarf2out_define): Update comment.
3861 (dwarf2out_undef): Ditto.
3862 (dwarf2out_start_source_file): Ditto.
3863 (dwarf2out_end_source_file): Ditto.
3864 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3865 since we never call the start/end debug hook for the primary file.
3867 2001-07-04 Kazu Hirata <kazu@hxi.com>
3869 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3872 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3874 * cppinit.c (remove_dup_dirs): Inform if a system include
3875 directory is being reordered.
3876 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3878 * doc/cpp.texi (Search Paths): Likewise.
3879 * doc/gcc.texi (Interoperation): Remove information about
3882 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3884 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3885 (VARRAY_TOP_CHAR_PTR): Likewise.
3887 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3889 * gcc.c (process_command): Don't assign elements of a const char*.
3891 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3893 * emit-rtl.c (change_address): Don't abort if invalid address while
3894 reload is in progress.
3896 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3898 * c-lex.c (cb_file_change): Pass line number to
3899 debug_start_source_file.
3900 (cb_undefine): Pass correct line number to debug_undef.
3902 * toplev.c (debug_start_source_file): Add line number to
3903 parameters. Pass it along to dwarf2out_start_source_file.
3904 (decode_g_option): Stop resetting debug level back to normal when
3905 we change debug formats, unless the current level is
3906 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3909 * toplev.h (debug_start_source_file): Add line number to
3912 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3915 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3917 Output debug_macinfo data for starting file if requested.
3918 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3920 (dwarf2out_define): Output debug_macinfo data for defining a macro
3922 (dwarf2out_undef): Output debug_macinfo data for undefining a
3924 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3925 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3926 (macinfo_section_label): New. DWARF2 macro info section label.
3927 (dwarf2out_init): If we want macro info, output the start label
3929 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3930 attribute to the compilation unit die pointing to the macro info.
3932 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3934 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3935 DWARF2_DEBUGGING_INFO.
3936 (add_loc_descr_to_loc_list): Ditto.
3937 (output_loc_list): Ditto.
3938 Also, fix thinko in curr not being initialized.
3939 (gen_internal_sym): Ditto.
3941 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3943 * emit-rtl.c (replace_equiv_address): New function.
3944 * expr.h (replace_equiv_address): New declaration.
3945 * explow.c (validize_mem): Call it instead of change_address and
3946 also call if -fforce-addr and address is constant.
3947 * expr.c: Replace more calls to change_address with adjust_address
3948 and/or replace_equiv_address or to validize_mem.
3949 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3950 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3951 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3952 * config/i370/i370.md, config/i860/i860.md: Likewise.
3953 * config/i960/i960.md, config/mips/mips.c: Likewise.
3954 * config/mips/mips.md, config/pa/pa.md: Likewise.
3955 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3956 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3958 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3960 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3962 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3965 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3967 * doc/include: New directory.
3968 * doc/fdl.texi: Move to doc/include/fdl.texi.
3969 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3970 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3971 * doc/gcc.texi: Use funding.texi and gpl.texi.
3972 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3973 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3974 Update dependencies and use -I $(docdir)/include.
3976 2001-07-04 Anthony Green <green@redhat.com>
3978 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3980 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3982 * doc/install.texi (sparc64-*-*): Remove garbage.
3984 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3986 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3987 Fix typo in last change to use adjust_address.
3989 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3991 * doc/install.texi (Specific): Update information for *-*-solaris*.
3993 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3995 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3997 2001-07-03 Stan Shebs <shebs@apple.com>
3999 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4000 case for flag_no_mach_text_sections.
4001 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4002 * config/darwin.c (flag_no_mach_text_sections): Remove.
4003 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4005 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4007 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4008 and avoid checking for constant as first operand.
4009 * recog.c (find_constant_term_loc): No longer static.
4010 (adj_offettable_operand): Delete.
4011 * rtl.h (adj_offsettable_operand): Delete declaration.
4012 (find_constant_term): Add declaration.
4013 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4015 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4016 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4017 * config/i386/i386.c, config/i386/i386.md: Likewise.
4018 * config/i860/i860.c, config/i960/i960.c: Likewise.
4019 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4020 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4021 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4022 * config/mips/mips.c, config/mips/mips.md: Likewise.
4023 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4024 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4025 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4026 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4027 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4028 * config/ns32k/ns32k.md: Likewise.
4030 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4032 * rtl.c (copy_rtx): Handle 'T' format letter.
4033 * gensupport.c (collect_insn_data): Likewise.
4034 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4036 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4038 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4039 -B option. Use 'dir' not 'foo' as example directory name.
4041 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4043 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4044 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4046 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4048 * doc/cppinternals.texi: Improve formatting and logical markup.
4050 2001-07-03 Andreas Jaeger <aj@suse.de>
4052 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4054 * genrecog.c (write_header): Include reload.h for prototypes in
4057 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4060 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4061 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4062 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4063 i386_pe_valid_type_attribute_p): Add.
4064 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4065 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4067 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4069 * explow.c (plus_constant_wide, case LO_SUM): New case.
4070 (plus_constant_for_output_wide): Delete.
4071 * rtl.h (plus_constant_for_output): Delete.
4072 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4073 instead of plus_constant_for_output.
4074 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4075 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4076 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4077 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4078 * config/sparc/sparc.md: Likewise.
4079 Convert some change_address calls to adjust_address.
4081 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4083 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4084 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4085 documentation of -std and -Wwrite-strings.
4087 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4089 * cse.c (canon_hash): Don't register registers in very small
4090 register classes, as extending their lifetime might cause
4093 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4095 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4097 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4098 (try_redirect_by_replacing_jump): Update properly the count
4099 and frequency information.
4101 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4103 * toplev.c (dump_file_index): Move SSA dumps just after first
4105 (dump_file): Corresponding changes.
4106 (rest_of_compilation): Move SSA path to just after the first
4108 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4109 * doc/invoke.texi: Update dump file #s as they were completely
4110 out of date with reality.
4112 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4114 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4116 * expr.c (emit_move_insn_1): Deal with non-default
4119 * expr.c (emit_single_push_insn): Fix warning.
4121 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4123 * expr.c (emit_move_insn_1): Avoid modifying
4124 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4126 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4128 * emit-rtl.c (adjust_address): New function.
4129 * expr.h (adjust_address): Add declaration.
4130 * builtins.c: Replace some calls to change_address with calls to it
4132 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4133 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4134 * config/arm/arm.c, config/convex/convex.c: Likewise.
4135 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4136 * config/i386/i386.c, config/i386/i386.md: Likewise.
4137 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4138 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4139 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4140 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4141 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4143 2001-07-02 Jim Wilson <wilson@redhat.com>
4145 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4147 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4149 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4150 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4152 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4154 * cppinit.c (lang_defaults): New table.
4155 (set_lang): Just read from lang_defaults into the live options
4158 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4160 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4161 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4162 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4164 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4166 * doc/install.texi: Various spelling and markup fixes.
4167 (Installing GCC): Component specific installation instructions are
4170 Warn about removing old install dir in the presence of shared libs.
4171 (Configuration): Invoke with options target to match configure
4173 Consistently refer to gas, gld pathnames.
4174 Invert --enable-multilib documentation.
4175 Remove references to old compiler versions.
4177 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4179 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
4181 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4183 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
4185 (Specific, mips*-sgi-irix5): Note IDO download.
4186 Reworded MIPS C hints.
4187 Use GNU as instead of GAS.
4189 Removed SGI Freeware reference, IRIX 6 only.
4190 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4191 Note N64 library requirement/workaround.
4193 Complete list of structure passing bug victims.
4195 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4197 * doc/install.texi: Remove CVS Id.
4199 2001-07-02 Andreas Jaeger <aj@suse.de>
4201 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4202 (find_inherently_necessary): Remove unused variable.
4204 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4206 * c-common.h (TDI_inlined): New ast dump phase.
4207 (dump_flag_name): New function.
4208 * c-dump.c (dump_files): Add inlined phase.
4209 (dump_flag_name): Define.
4210 * doc/invoke.texi (-fdump-ast-inlined): Document.
4212 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4214 * stor-layout.c (layout_decl): Revert change to handling of alignment
4217 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4222 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4224 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4227 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4229 * tlink.c (recompile_files): Remove COMPILER_PATH and
4230 LIBRARY_PATH from the environment.
4232 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4234 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4235 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4237 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4239 * c-parse.in (OBJC_STRING): Kill.
4240 (objc_string): Decompose to [objc_string] '@' STRING.
4241 (reswords): Take the leading '@' off all the Objective C keywords.
4242 (objc_rid_sans_at): Kill.
4243 (init_reswords): Don't initialize it.
4244 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4245 (_yylex): Kill reconsider label. Look ahead one token after
4246 an '@'; if we get an identifier, check whether it's an
4247 Objective C @-keyword. If so, return the keyword. Otherwise,
4248 put back the token and return the '@' as a terminal.
4250 * cpplib.c (lex_macro_node): Remove unnecessary check for
4251 leading '@' on identifier. Clarify control flow and commentary.
4253 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4255 * cse.c (new_label_ref): Variable deleted.
4256 (insert): Remove set of new_label_ref.
4257 (check_for_label_ref): New function.
4258 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4260 See ChangeLog.5 for earlier changes.