1 2001-08-05 Bernd Schmidt <bernds@redhat.com>
3 * doloop.c (doloop_modify_runtime): Properly compute number of
4 iterations if loop was unrolled.
6 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
7 if their CSELIB_VAL_PTRs are.
9 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
10 (setup_spill_pointers): Initialize it.
11 (spill_restore_mem): Set it.
12 (do_spill, do_restore): Use it to add REG_INC note.
13 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
15 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
17 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
18 parameter in last change.
20 2001-08-04 Zack Weinberg <zackw@panix.com>
22 * sparc.md: Don't use #if inside C test expression.
24 2001-08-04 Richard Henderson <rth@redhat.com>
26 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
28 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
30 * cpphash.h (struct cpp_reader): New member directive_line.
31 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
32 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
33 do_pragma): Pass line to callbacks.
34 (start_directive): Record line of directive.
35 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
36 cb_include): Similarly.
37 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
40 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
42 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
45 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
47 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
49 * reload1.c (fixup_abnormal_edges): New static function.
52 * flow.c (need_fake_edge_p): New function.
53 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
54 avoid call insn to be very last insn in the insn stream.
56 * profile.c (branch_prob): Call flow_call_edges_add instead of
57 doing that by hand; cleanup cfg to re-merge basic blocks once
60 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
62 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
63 are also on line-map.h.
64 * cppfiles.c (stack_include_file): Update.
65 * cpphash.h (struct cpp_buffer): New member return_at_eof.
66 (_cpp_pop_buffer): New.
67 * cppinit.c (cpp_destroy, cpp_finish): Update.
68 (do_includes): Mark each buffer to return at EOF.
69 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
71 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
72 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
73 * cpplib.h (cpp_pop_buffer): Remove.
74 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
75 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
77 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
79 (do_preprocessing): Update.
80 * fix-header.c (read_scan_file): Update. No need to pop buffers.
81 * c-parse.in (_yylex): Similarly.
82 * scan-decls.c (scan_decls): Similarly.
83 * line-map.h: Update comments.
85 * objc/Make-lang.in (objc-act.o): Update dependencies.
87 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
89 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
90 and soft register for operand 0.
91 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
93 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
95 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
96 register for operand 0.
97 ("bitcmpqi_z_used"): Allow memory for operand 0.
98 (split "bitcmpqi"): New split to handle address reg as operand 1.
100 2001-08-04 Andreas Jaeger <aj@suse.de>
102 * gcse.c: Revert Daniel's last patch.
104 2001-08-03 Zack Weinberg <zackw@stanford.edu>
106 * sparc-protos.h: Add prototypes for fp_zero_operand and
108 * sh-protos.h: Add prototype for fpul_operand.
110 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
112 * doc/extend.texi (Other Builtins): Fix typo in last change.
114 2001-08-03 Richard Henderson <rth@redhat.com>
116 * target.h (gcc_target): Add asm_out.named_section,
117 section_type_flags, have_named_sections.
118 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
119 (TARGET_HAVE_NAMED_SECTIONS): New.
120 (TARGET_SECTION_TYPE_FLAGS): New.
122 * Makefile.in (toplev.o): Depend on TARGET_H.
123 (varasm.o, dbxout.o): Likewise.
124 * c-common.c (decl_attributes): Check targetm.have_named_sections
125 instead of ifdef ASM_OUTPUT_SECTION_NAME.
126 * dbxout.c (dbxout_function_decl): Likewise.
127 (dbxout_function_end): Likewise.
128 * toplev.c (compile_file): Likewise.
129 * varasm.c (exception_section): Likewise.
130 * cp/decl2.c (finish_objects): Likewise.
132 * defaults.h (EH_FRAME_SECTION): Remove.
133 (EH_FRAME_SECTION_ASM_OP): Remove.
134 (EH_FRAME_SECTION_NAME): New.
135 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
136 (UNIQUE_SECTION_P): Remove.
137 * dwarf2out.c (SECTION_FORMAT): Remove.
138 (ASM_OUTPUT_SECTION): Remove.
139 (output_call_frame_info): Use named_section_flags.
140 (output_comp_unit, dwarf2out_start_source_file): Likewise.
141 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
142 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
143 * varasm.c (in_eh_frame, eh_frame_section): Remove.
144 (named_section_flags): New.
145 (named_section): Use it and targetm.section_type_flags.
146 (resolve_unique_section): New.
147 (assemble_start_function): Use it.
148 (asm_emit_uninitialised, assemble_variable): Likewise.
149 (default_section_type_flags): New.
150 (default_no_named_section, default_elf_asm_named_section): New.
151 (default_coff_asm_named_section, default_pe_asm_named_section): New.
152 * output.h: Update varasm.c decls.
153 (SECTION_*): New flags.
155 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
156 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
158 * config/elfos.h (UNIQUE_SECTION_P): Remove.
159 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
160 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
161 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
162 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
163 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
164 * config/mips/elf.h, config/mips/elf64.h: Likewise.
165 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
166 * config/pa/pa64-hpux.h,
168 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
169 (TARGET_ASM_NAMED_SECTION): New.
170 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
171 * config/alpha/vms.h, config/arm/coff.h: Likewise.
172 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
173 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
174 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
175 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
176 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
177 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
178 * config/i386/sco5.h, config/i386/win32.h: Likewise.
179 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
180 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
181 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
182 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
183 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
184 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
185 * config/sparc/sysv4.h: Likewise.
187 * config/nextstep.h: Error until named sections implemented.
189 * config/a29k/a29k.c (a29k_asm_named_section): New.
190 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
191 (vms_section_type_flags, vms_asm_named_section): New.
192 * config/arm/arm.c (arm_elf_asm_named_section): New.
193 * config/avr/avr.c (asm_output_section_name): Remove.
194 * config/avr/avr-protos.h: Update.
195 * config/c4x/c4x.c (c4x_asm_named_section): New.
196 * config/h8300/h8300.c (h8300_asm_named_section): New.
197 * config/i386/i386.c (sco_asm_named_section): New.
198 * config/i386/winnt.c (SECTION_PE_SHARED): New.
199 (i386_pe_section_type_flags): New.
200 (i386_pe_asm_named_section): New.
201 * config/i386/i386-protos.h: Update.
202 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
203 * config/mcore/mcore.c (mcore_asm_named_section): New.
204 * config/mips/mips.c (iris6_asm_named_section): New.
205 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
206 instead of UNIQUE_SECTION_P.
207 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
208 (xcoff_asm_named_section): New.
209 * config/sh/sh.c (sh_asm_named_section): New.
210 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
212 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
213 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
214 (EH_FRAME_SECTION_NAME): New.
215 (EXCEPTION_SECTION): New.
216 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
217 (DEBUG_*_SECTION): Remove.
218 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
219 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
220 (EH_FRAME_SECTION_ASM_OP): Remove.
222 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
223 (ASM_OUTPUT_SECTION_NAME): Remove.
224 (TARGET_ASM_NAMED_SECTION): New.
225 (TARGET_HAVE_NAMED_SECTIONS): New.
226 (TARGET_SECTION_TYPE_FLAGS): New.
227 (EH_FRAME_SECTION_ASM_OP): Remove.
228 (EH_FRAME_SECTION_NAME): New.
230 2001-08-03 Zack Weinberg <zackw@stanford.edu>
232 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
233 for complex expressions when cfun == 0.
234 * doc/extend.texi: Document that __builtin_constant_p can be
235 used in data initializers as well as functions.
237 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
239 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
240 variable I locally, instead of expecting a declaration in the
243 2001-08-03 Richard Henderson <rth@redhat.com>
245 * except.c (collect_one_action_chain): Add an explicit cleanup
246 action if regions surrounding a catch were encoded entirely
247 within the call-site entry.
249 2001-08-03 Richard Henderson <rth@redhat.com>
251 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
252 don't take REGNO of a non-register.
254 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
256 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
257 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
258 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
259 (__gthread_mutex_init_function): New function for mutex initialization.
261 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
263 * Makefile.in: Revert screwed up commit.
265 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
267 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
268 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
269 merged by linker script to get a final _exit().
270 (__do_global_dtors): New for destructor handling in specific exit
272 (__do_global_ctors): New for constructors in specific install section.
273 (__map_data_section): Map data sections before running constructors.
274 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
275 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
276 (DTORS_SECTION_ASM_OP): Likewise.
277 (CTORS_SECTION_FUNCTION): Define to force a reference to
279 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
281 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
283 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
285 * Makefile.in: Add df.h to gcse.c dependencies.
287 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
289 * varasm.c (output_constant_def_contents): Use for the length of a
290 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
291 depending on which is larger.
293 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
295 * gcse.c: Include df.h for use as a dataflow analyzer.
297 Declaration of reg_set_info: gone.
298 New df_analyzer variable used by store motion.
299 (reg_set_info): Deleted.
300 (mark_mem_regs): New function, analyze regs used by a mem.
301 (store_ops_ok): Use dataflow analyzer results to determine if
302 necessary regs are changed in the block.
303 (find_moveable_store): Remove check for symbol ref, we can handle
304 much more complex expressions now.
305 (compute_store_table): Remove most of the code, it's unnecessary
306 now that the dataflow analyzer records the info for us.
307 (store_killed_after): Add parameter to say whether to do the
308 store_ops_okay test, used to speed up testing when we already know
309 the answer, and just want to know if the store itself was killed.
310 (build_store_vector): Largely rewritten to calculate the various
311 vectors properly, and somewhat optimized.
312 (store_motion): Init the df_analyzer, get REG_DEF chains.
313 Also handle trapping expressions (since mems almost always trap)
314 (simple_mem): Redefine what a simple mem is.
316 2001-08-03 DJ Delorie <dj@redhat.com>
318 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
319 set from a constant part of the condition.
321 2001-08-01 Andrew Cagney <ac131313@redhat.com>
323 * mkdeps.c (deps_add_default_target): Make local variable
324 ``start'' a const char pointer.
325 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
327 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
329 * doc/install.texi (Configuration): Fix markup.
330 (Specific, i?86-*-udk): Likewise.
331 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
333 Document --enable-threads and --enable-libgcj status.
334 (Specific, mips-sgi-irix*): Canonicalize triples.
335 (Specific, mips-sgi-irix5): Warn about problems with this config.
336 Mention required GNU as patch.
337 Native assembler problems are fixed.
338 (Specific, mips-sgi-irix6): Update O32 ABI support status.
339 Document --enable-threads and --enable-libgcj status.
341 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
343 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
346 2001-08-03 Richard Henderson <rth@redhat.com>
348 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
351 2001-08-03 Richard Henderson <rth@redhat.com>
353 * rtlanal.c (find_first_parameter_load): Stop if we
354 reach a CODE_LABEL at BOUNDARY.
356 2001-08-03 Richard Henderson <rth@redhat.com>
358 * config/alpha/alpha.md (force_movdi): New insn.
359 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
360 Tweek FRP marking of VMS prologue insns.
361 * config/alpha/vms.h (EPILOGUE_USES): New.
363 2001-08-02 Richard Henderson <rth@redhat.com>
365 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
367 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
369 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
370 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
371 config/convex/convex.h, config/d30v/d30v.c,
372 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
373 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
374 config/mips/mips.h, config/mn10200/mn10200.h,
375 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
376 config/v850/v850.h, config/vax/openbsd.h,
377 config/vax/openbsd1.h, config/vax/ultrix.h,
378 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
379 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
380 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
381 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
382 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
383 in comments and documentation.
385 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
389 * Makefile.in (line-map.o): New.
390 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
391 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
392 * cpperror.c (print_containing_files): Similarly.
393 (print_location): Update. Don't output a space before _Pragma.
394 * cppfiles.c (stack_include_file): Set to line 1 immediately.
395 (stack_include_filee, cpp_make_system_header): Update.
396 (_cpp_execute_include): Get logical line number right for calling
397 as-yet-unterminated #include.
398 * cpphash.h (struct cpp_reader): Add line_maps.
399 (_cpp_do_file_change): Update.
400 * cppinit.c (cpp_create_reader): Initialize line maps.
401 (cpp_destroy): Destroy line maps.
402 (cpp_start_read): Get logical line number right.
403 * cpplex.c (parse_string): Only warn once for multi-line strings.
404 Use boolean variable for null warning.
405 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
407 (do_include_common): End the directive early.
408 (do_line): Don't warn about out-of-range lines in preprocessed
409 source. Update. Remove unused variables.
410 (_cpp_do_file_change): Update for new line mapping.
411 (pragma_cb): New typedef.
412 (cpp_register_pragma): Stop looking ahead before calling the
414 (do_pragma_system_header): End directive early.
415 (cpp_get_line_maps): New.
416 (cpp_pop_buffer): Fudge logical line. Update.
417 * cpplib.h: Include line-map.h
418 (enum cpp_fc_reason): Remove.
419 (struct cpp_file_change): Update.
420 (cpp_get_line_maps): New.
421 * cppmain.c (struct_printer): New member map.
422 (cb_file_change): Update for new mappings.
423 * fix-header.c (cb_file_change): Similarly.
425 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
427 * Makefile.in (libgcc.mk): Define mkinstalldirs.
428 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
430 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
432 * config/vax/vax.c: include expr.h.
434 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
436 * Makefile.in ($(srcdir)/configure): Only rebuild in
438 ($(srcdir)/config.in): Only define in maintainer mode.
439 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
441 2001-08-02 David Edelsohn <edelsohn@gnu.org>
443 * doc/install.texi (Install GCC: Binaries): Update Bull info.
445 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
447 * gcc.c (set_collect_gcc_options): New function, split out from
449 Ignore elided switches.
450 (do_spec_1): Invoke before executing command.
453 * gcc.h (set_input): ... here.
454 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
457 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
460 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
462 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
464 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
466 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
467 for the unnamed instructions it expands to.
469 2001-08-02 Richard Henderson <rth@redhat.com>
471 * regclass.c (call_really_used_regs): Conditionally define.
472 (init_reg_sets_1): Don't use it if not defined.
473 (fix_register): Similarly, don't set it.
475 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
477 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
478 Correct comment that had been missed in the previous change.
480 2001-08-01 Stan Shebs <shebs@apple.com>
482 * config/darwin.c (machopic_stub_name): Try matching by name.
483 (update_stubs): New function.
484 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
487 2001-08-01 Richard Henderson <rth@redhat.com>
489 * except.c (output_function_exception_table): Use assemble_align.
490 * varasm.c (assemble_eh_label): Remove.
491 (assemble_eh_align, assemble_eh_integer): Remove.
493 2001-08-01 Robert Lipe <robertl@caldera.com>
495 * dwarfout.c: Remove reference to README.DWARF.
497 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
499 * regclass.c (call_really_used_regs): New array for registers which
500 are actually used by a call.
501 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
503 (fix_register): Set call_really_used too.
504 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
505 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
507 2001-08-01 Richard Henderson <rth@redhat.com>
509 * read-rtl.c (read_name): Consider \r whitespace.
511 2001-07-11 Andrew Cagney <ac131313@redhat.com>
513 * config.gcc: Recognize powerpc-*-netbsd*.
515 * doc/install.texi (Host/target specific installation notes for
516 GCC): Mention powerpc-*-netbsd*.
518 * config/rs6000/netbsd.h: New file.
519 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
520 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
521 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
522 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
523 (TARGET_VERSION): Redefine.
525 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
526 mcall-netbsd as a match for mcall-sysv.
527 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
528 (ncrti.S, ncrtn.S): New targets.
529 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
531 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
532 "netbsd' as a V4 ABI.
533 (ASM_SPEC): Check for -mcall-netbsd.
534 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
535 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
536 (LIB_SPEC, ENDFILE_SPEC): Ditto.
537 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
538 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
539 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
540 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
542 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
543 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
545 2001-08-01 Mark Kettenis <kettenis@gnu.org>
547 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
548 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
549 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
550 including "unwind-pe.h".
552 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
554 * rs6000.md (define_splits): Kill unused constraints.
556 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
557 Jan Hubicka <jh@suse.cz>
559 * function.c (thread_prologue_and_epilogue_insns): Kill code
560 dealing with non-existent CFG.
562 2001-08-01 Kazu Hirata <kazu@hxi.com>
564 * alias.c: Fix comment formatting.
565 * bitmap.c: Likewise.
566 * builtins.c: Likewise.
568 * c-common.c: Likewise.
569 * c-decl.c: Likewise.
570 * c-dump.c: Likewise.
572 * collect2.c: Likewise.
573 * combine.c: Likewise.
574 * conflict.c: Likewise.
575 * cppfiles.c: Likewise.
576 * cppinit.c: Likewise.
577 * cpplex.c: Likewise.
578 * cpplib.c: Likewise.
579 * cppmacro.c: Likewise.
580 * cppspec.c: Likewise.
581 * c-pragma.c: Likewise.
582 * crtstuff.c: Likewise.
584 * cselib.c: Likewise.
585 * c-semantics.c: Likewise.
586 * c-typeck.c: Likewise.
588 2001-08-01 H.J. Lu <hjl@gnu.org>
590 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
592 2001-08-01 H.J. Lu <hjl@gnu.org>
594 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
596 2001-08-01 Ziemowit Laski <zlaski@apple.com>
598 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
599 contextualizing Objective-C class name lookup by the lexer.
600 (typespec_reserved_nonattr): Disable ObjC class name lookup after
602 (protocoldef): Add support for forward @protocol declarations.
603 (yylexname): Suppress ObjC class name lookup in certain contexts;
604 re-enable after lookup is complete.
605 (_yylex): Re-enable ObjC class name lookup when certain
606 punctuation marks are seen.
608 * objc/objc-act.c (check_protocol_recursively): New function used
609 for finding circular dependencies in protocols.
610 (objc_declare_protocols): New function for handling forward
611 @protocol declarations.
612 (receiver_is_class_object): Detect the case when 'self' is used
613 inside of a class method.
614 (build_message_expr): Issue a warning if class method is desired
615 but instance method is found instead.
616 (conforms_to_protocol): Streamline.
617 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
618 protocol Foo, even if 'Bar foo' does not.
619 (check_protocols): Streamline.
620 (start_protocol): Add checks for circular and duplicate protocol
622 (encode_aggregate_within): For typedefs of structs, encode the
624 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
625 (objc_declare_protocols): New prototype.
627 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
629 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
630 * cpplex.c (handle_newline): Update prototype. Maintain logical
632 (skip_escaped_newlines, skip_block_comment, parse_string):
634 (_cpp_lex_token): Update, and store token position within the token.
635 * cpplib.h (struct cpp_token): Add line and column entries.
636 * cppmacro.c (replace_args): Position stringified tokens correctly.
638 2001-08-01 Andreas Jaeger <aj@suse.de>
640 * basic-block.h: Add prototype for last_loop_beg_note.
642 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
644 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
645 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
647 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
648 while handling WITH_CLEANUP_EXPR node. Use second operand calling
650 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
652 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
653 operand while calling simple_cst_equal.
654 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
655 operand is the cleanup expression, the third is the RTL_EXPR.
656 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
658 2001-07-31 Jeff Sturm <jsturm@one-point.com>
660 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
662 2001-07-31 matthew green <mrg@eterna.com.au>
664 * config.gcc (i386-*-netbsdelf): New description.
665 * config/i386/netbsd-elf.h: New file.
667 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
669 * loop.c (check_dbra_loop): Use single_set to compute
672 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
674 PowerPC reorg and support for powerpc64-*-linux*.
676 Also fixes emitting of constants on 32 bit and 64 bit
679 * config.gcc: powerpc64-*-linux* is a new target.
680 Things that needed aix.h now also include xcoff.h
682 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
684 Move AIX specific stuff into aix.h.
685 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
686 with more than just XCOFF now.
687 (SET_ASM_OP): Remove, now defined where needed.
688 (FUNCTION_PROLOGUE): New macro definition.
689 (FUNCTION_EPILOGUE): New macro definition.
690 (CONST_OK_FOR_LETTER_P): Change N to require that value is
692 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
694 * config/rs6000/xcoff.h: New file.
696 * config/rs6000/linux64.h: New file.
698 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
700 2001-07-31 Alan Modra <amodra@bigpond.net.au>
702 * rs6000.c (print_operand_address): Handle ELF syntax.
703 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
704 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
705 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
707 2001-07-31 David Edelsohn <edelsohn@gnu.org>
709 * rs6000.c (rs6000_override_options): Only disable
710 flag_function_sections for XCOFF.
711 (exact_log2_cint_operand): New predicate.
712 (reg_or_{add,sub}_cint64_operand): New predicates.
713 (add_operand): Compare CONST_INT with fewer function calls.
714 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
715 (print_operand, case 'p'): Ensure positive operand.
716 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
717 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
718 (PREDICATE_CODES): Add new predicates.
719 * rs6000.md (addsi3): Split 32-bit constants more correctly.
720 (divsi3, modsi3): Ensure positive power-of-2.
721 (adddi3): Use new predicate. Split 32-bit constants more
722 correctly. Re-arrange splitter to handle any constant.
723 (subdi3): Use new predicate.
724 (divdi3, moddi3): Ensure positive power-of-2.
725 (movdi): Use rs6000_emit_set_const.
726 (load_toc_v4_pic_di): Delete.
728 2001-07-31 Graham Stott <grahams@redhat.com>
730 * function.c (pad_below): Revert 2001-07-26 patch.
732 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
734 * reg-stack (convert_regs_1): Fix best edge condition.
736 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
738 * jump.c (duplicate_loop_exit_test): Better test for jumps
739 entering the loop; create loop pre_header.
741 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
743 * doc/install.texi: Add s390 and s390x as new targets.
744 * doc/invoke.texi: Add documantation of S/390 and zSeries
746 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
748 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
750 * config/m68k/m68k.md: Replace all general_operand with
751 nonimmediate_operand for all destinations.
752 * config/m68k/m68k.c (not_sp_operand): Likewise.
754 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
756 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
758 2001-07-30 Richard Henderson <rth@redhat.com>
760 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
761 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
763 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
765 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
766 Add missing doc strings
767 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
768 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
770 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
772 * i386.c (ix86_output_main_function_alignment_hack): New function.
773 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
775 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
776 edges by EDGE_DFS_BACK flag.
777 (dump_edge_info): Add dfs_back flag.
778 * basic-block.h (EDGE_DFS_BACK): New constant.
779 (mark_dfs_back_edges): Declare.
780 * alias.c (loop_p): Remove.
781 (mark_constant_function): Use mark_dfs_back_edges.
783 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
784 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
785 (compensate_edge): Break out from ...
786 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
787 (convert_regs_2): Set block_done once block is really done;
788 Do updating of the predecesors counts.
790 * toplev.c (rest_of_compilation): Recompute block_for_insn
791 before post-reload cfg_cleanup.
792 * function.c (thread_prologue_epilogue_insns):
793 Call set_block_for_new_insns when emitting prologue directly.
795 2001-07-30 Andreas Jaeger <aj@suse.de>
797 * jump.c: Add prototype for mark_modified_reg.
799 * cse.c (set_live_p): Add unused attribute.
801 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
803 (scan_for_source_files): Use long for count to avoid overflow.
804 (output_data): Likewise.
805 (output_data): Don't use string concatatenation to silence gcc
808 * predict.c: Fix typos and grammar.
810 * gcse.c (insert_insn_end_bb): Remove unused variables.
812 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
814 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
815 (attempt_auto_inc): LIkewise.
816 (mark_used_reg): Likewise.
817 (try_pre_increment_1): Likewise.
818 * regclass.c (regclass): Likewise.
819 * global.c (allocno_compare): Update comment; change scaling factor.
820 * local-alloc.c (QTY_CMP_PRI): Likewise.
821 * regs.h (REG_FREQ_FROM_BB): New.
822 (REG_FREQ_MAX): Likewise.
824 2001-07-30 H.J. Lu <hjl@gnu.org>
826 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
829 2001-07-30 H.J. Lu (hjl@gnu.org)
831 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
832 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
833 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
835 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
837 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
838 as -mthumb-interwork when -mcpu=arm7 is specified.
840 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
842 * predict.def (noreturn, loop branch, loop exit): Mark as first
845 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
847 * combine.c (try_combine): Avoid barrier after noop jumps.
849 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
851 * cpphash.h (struct cpp_reader): Remove import_warning.
852 * cpplib.c (skip_rest_of_line): Don't bother turning off
854 (parse_include): Move include handling to...
855 (do_include_common): ... here. Move import warning from...
856 (do_import): ... here.
857 (do_pragma_poison): Don't do a callback for poison identifiers.
858 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
859 * cppmain.c (setup_callbacks): Similarly.
861 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
863 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
864 handle multiple sets.
865 * except.c (sjlj_mark_call_sites): .... here.
866 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
868 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
870 Suggested by Richard Henderson and Richard Kenner:
871 * combine.c (recog_for_combine): Use the fake recog
872 only if instruction does not match.
873 * rtl.h (NOOP_MOVE_INSN_CODE): New.
874 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
876 * combine.c (try_combine): Discover noop jump as direct jump.
878 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
880 * df.c (df_rd_global_compute): Add successors to worklist, not
882 (df_ru_global_compute): Ditto.
884 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
886 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
887 increment REG_N_SETS.
889 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
891 * sbitmap.h: New prototype for sbitmap_a_xor_b.
893 * sbitmap.c (sbitmap_a_xor_b): New function.
894 ifdef the basic block stuff on IN_GCC.
896 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
898 * cppexp.c (parse_defined): Always record the macro name.
899 (lex): Don't worry about identifiers, or special-case
901 (_cpp_parse_expr): Figure out at the end of the routine
902 whether we saw a valid !defined() expression.
903 * cppfiles.c (stack_include_file): Update for mi_valid.
904 (_cpp_pop_file_buffer): Similarly.
905 * cpplex.c (_cpp_lex_token): Similarly.
906 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
907 mi_if_not_defined, mi_lexed): Remove.
909 * cpplib.c (do_if): Simplify.
910 (do_endif, push_conditional, _cpp_handle_directive): Update
911 for renaming of mi_state to mi_valid.
913 * cpp.texi: Add index entries for digraphs, and add comment
914 that C++ refers to them as alternative tokens.
916 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
918 * basic-block.h (CLEANUP_PRE_LOOP): New.
919 * except.c (finish_eh_generation): Update call of cleanup_cfg.
920 * sibcall.c (optimize_sibling_calls): Likewise.
921 * toplev.c (rest_of_compilation): Likewise.
922 * flow.c (try_forward_edges): Take argument MODE;
923 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
924 (try_optimize_cfg): Update call of try_forward_edges.
926 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
927 Jan Hubicka <jh@suse.cz>
929 * (validate_replace_rtx_1): Fix simplification of MINUS.
931 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
934 * cppinit.c (init_dependency_output): Turn off dump requests
935 if sending dependencies to stdout.
937 2001-07-28 Richard Henderson <rth@redhat.com>
939 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
942 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
944 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
946 2001-07-28 Kazu Hirata <kazu@hxi.com>
948 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
949 is VAR_DECL first to prevent an ICE.
951 2001-07-28 Richard Henderson <rth@redhat.com>
953 * varasm.c (immed_real_const_1): Don't elide special cases for
955 (clear_const_double_mem): Clear const_tiny_rtx too.
957 2001-07-28 Richard Henderson <rth@redhat.com>
959 * dwarf2out.c (dw_val_class_offset): New.
960 (struct dw_ranges_struct, dw_ranges_ref): New.
961 (ranges_table, ranges_table_allocated): New.
962 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
963 (add_AT_offset, add_ranges, output_ranges): New.
964 (print_die, output_die): Handle dw_val_class_offset.
965 (attr_checksum, size_of_die, value_format): Likewise.
966 (gen_lexical_block_die): Handle non-contiguous blocks.
967 (gen_block_die): Likewise.
968 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
969 if needed. Dump the ranges table.
970 * final.c (final_start_function): Remove unnecessary notes and
971 rebuild the block tree before numbering the blocks.
972 * function.c (reorder_blocks_0): Walk the existing block tree
973 to unmark all blocks.
974 (reorder_blocks_1): Create block fragments when duplicate block
976 (reorder_fix_fragments): New.
977 (reorder_blocks): Call it.
978 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
980 2001-07-28 Richard Henderson <rth@redhat.com>
982 * emit-rtl.c (adjust_address): Make a copy of the memory address.
984 2001-07-28 Richard Henderson <rth@redhat.com>
986 * flow.c (add_to_mem_set_list): New function.
987 (init_propagate_block_info): Use it.
988 (mark_set_1): Likewise.
989 (insn_dead_p): Canonicalize memory address for dead store
990 comparison. Allow wider mode stores to kill narrower mode stores.
991 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
992 (invalidate_mems_from_set): Don't handle MEMs.
994 2001-07-28 Kazu Hirata <kazu@hxi.com>
996 * config/h8300/h8300.h: Fix formatting.
998 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1000 * basic-block.h (EDGE_FREQUENCY): New macro.
1001 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
1003 * flow.c (find_sub_basic_blocks): Likewise.
1004 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
1005 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
1007 * predict.c (DEF_PREDICTOR): New argument FLAGS.
1008 (HITRATE): New macro.
1009 (PRED_FLAG_FIRST_MATCH): New constant.
1010 (predictor_info): New field flgags.
1011 (combine_predictions_for_insn): Use DS theory to combine
1012 probabilities; set the edge probabilities when finished.
1013 (estimate_probability): Avoid duplicated matches
1014 of LOOP_BRANCH heuristics for nested loops; update comment.
1015 * predict.def: Add flags for each prediction, set probabilities
1016 according to B&L paper.
1017 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1019 * profile.c (compute_branch_probabilities): Cleanup way the edge
1020 probabilities are computed and REG_BR_PROB notes are dropped; if
1021 values does not match, emit error.
1022 (init_branch_prob): Do error instead of warning when profile driven
1023 feedback is missing or corrupt.
1025 2001-07-27 DJ Delorie <dj@redhat.com>
1027 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1028 against a constant, try to adjust the compare to have the desired
1029 constant in it so that min/max optimizations happen more often.
1031 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1033 * flow.c (last_loop_beg_note): New function.
1034 (redirect_edge_and_branch): Use it.
1035 (split_edge): Likewise.
1037 * alias.c (loop_p): Avoid uninitialized memory access.
1039 * flow.c (try_forward_edges): Avoid accessing freed memory.
1041 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1044 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1046 * doc/install.texi (Configuration): Properly link the host
1047 specific instructions also when generating HTML.
1049 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1051 * flow.c (redirect_edge_and_branch_force): Test
1052 target->global_live_at_start.
1054 2001-07-26 Richard Henderson <rth@redhat.com>
1056 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1057 * rtl.h (avoid_constant_pool_reference): Declare it.
1058 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1059 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1061 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1063 * rtl.h (cleanup_barriers): Declare.
1064 * jump.c (cleanup_barriers): New function.
1065 * toplev.c (rest_of_compilation): Call cleanup_barriers
1066 before loop optimizer and after bb_reorder.
1068 * flow.c (back_edge_of_syntactic_loop_p): New.
1069 (split_edge): Use it.
1071 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1073 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1075 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1077 * cse.c (cse_process_notes): Replace any registers if the address
1080 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1082 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1083 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1084 (propagate_block): Update prototype.
1085 * flow.c (update_life_info): Simplify the CFG and
1086 recalculate the global regs which are alive when
1087 removing dead code during a global update.
1088 (propagate_block): Return non-zero if an INSN is
1091 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1093 * Makefile.in (LIBICONV): Define.
1095 2001-07-26 Catherine Moore <clm@redhat.com>
1097 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1098 of conditional to avoid tree checking errors.
1100 2001-07-26 Kazu Hirata <kazu@hxi.com>
1102 * regmove.c (regmove_optimize): Don't replace a reg with
1103 another reg of a different mode.
1105 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1107 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1108 limit length of dependancy flush list.
1109 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1110 * sched-int.h (struct deps): Add pending_flush_length field.
1111 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1112 has 1 element in it.
1113 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1114 (sched_analyze): After a jump, if the pending memory flush list is too
1115 large, flush the pending lists.
1116 (init_deps): Initialize pending_flush_length to 0.
1117 * doc/invoke.texi (max_pending_list_length): Document parameter.
1119 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1122 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1123 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1125 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1127 * cpphash.h (struct_lexer_state): Delete was_skipping.
1128 Move skipping here from struct cpp_reader.
1129 * cpplex.c (parse_identifier): Update.
1130 (_cpp_lex_token): Don't skip tokens in a directive.
1131 * cpplib.c (struct if_stack): Update.
1132 (start_directive, end_directive): Don't change skipping state.
1133 (_cpp_handle_directive): Update.
1134 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1135 (do_else, do_endif): Update; only check for excess tokens if not
1136 in a skipped conditional block.
1137 (push_conditional): Update for new struct if_stack.
1139 2001-07-26 Graham Stott <grahams@redhat.com>
1141 * function.c (locate_and_pad_parm): Also pad initial offset
1142 so that the total argument size also includes the padding.
1144 2001-07-26 Graham Stott <grahams@redhat.com>
1146 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1147 change XSTR to XTMPL.
1149 (process_one_cond_exec): Likewise
1151 2001-07-25 Richard Henderson <rth@redhat.com>
1153 * varasm.c (assemble_variable): Create DECL_RTL before setting
1156 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1158 * predict.c (estimate_probability): Avoid duplicated predictions.
1160 * loop.c (find_and_verify_loops): Grok multiple barriers.
1162 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1164 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1166 * dbxout.c: Consistently use putc instead of fputc.
1167 (print_wide_int): New function; call instead of direct fprintf.
1168 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1169 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1170 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1171 (print_int_cst_octal): Likewise.
1172 (print_octal): Show we wrote characters.
1173 (dbxout_type): Set have_used_extensions in more places.
1175 2001-07-25 Catherine Moore <clm@redhat.com>
1177 * config/v850/v850.c (v850_va_arg): Use addr
1178 instead of valist to build incr.
1180 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1182 * flow.c (delete_dead_jumptables): New function.
1183 (life_analyzis): Call it.
1184 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1187 2001-07-25 Richard Henderson <rth@redhat.com>
1189 * except.c (reachable_handlers): Handle a region being removed
1190 out from under a RESX.
1192 2001-07-25 Richard Henderson <rth@redhat.com>
1194 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1195 swap GE/GT if it is an fp comparison.
1197 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1199 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1202 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1204 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1205 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1208 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1210 (visit_expression): When attempting to simplify an expression,
1211 retrieve any modes for arguments before they are simplified
1214 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1215 Janis Johnson <janis@us.ibm.com>
1217 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1218 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1219 pointer parameters to match documented usage of nonlocal_goto.
1220 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1221 parameters to their correct order.
1222 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1223 parameters to their correct order.
1225 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1227 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1229 2001-07-25 Jan Hubicka <jh@suse.cz>
1230 Richard Henderson <rth@redhat.com>
1232 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1234 (make_edges): New argument update_p; populate the edge cache if set.
1235 (find_basic_blocks): Update make_edges invocation.
1237 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1239 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1241 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1243 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1244 -Acpu and -Amachine.h.
1245 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1246 Corrected header to say ELF not a.out.
1247 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1248 when given -msoft-float.
1250 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1252 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1253 extra multilib parts like arm-elf.
1254 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1255 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1256 crtfini.o as extra multilib parts.
1258 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1260 * configure.in: Add rtems as a supported thread model.
1261 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1262 * configure: Rebuilt.
1264 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1266 * stor-layout.c (get_mode_alignment): make it work when
1267 BITS_PER_UNIT is not a power of two.
1268 * builtins.c (get_pointer_alignment): Likewise.
1270 2001-07-24 Richard Henderson <rth@redhat.com>
1272 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1273 the retrieved constant into the expected mode.
1275 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1277 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1278 (verify_flow_info): Check for duplicated edges; clarify
1281 * flow.c (block_label): Update basic_block_for_insn.
1282 (commit_edge_insertions): Call compute_bb_for_insn.
1284 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1287 * flow.c (redirect_edge_and_branch,
1288 try_optimize_cfg): Use redirect_edge_succ_nodup
1289 (redirect_edge_succ_nodup): New.
1290 * basic_block.h (redirect_edge_succ_nodup): Declare.
1292 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1295 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1297 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1298 (try_crossjump_to_edge): Update commetns.
1299 (try_crossjump_bb): Likewise.
1301 2001-07-24 Richard Henderson <rth@redhat.com>
1303 * combine.c (distribute_notes): Move set of need_refresh
1304 for noop_move_p down to catch all cases.
1306 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * recog.c (split_all_insns_noflow): New.
1309 * rtl.h (split_all_insns_noflow): Declare.
1310 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1311 * m68hc11.c (m68hc11_reorg): Likewise.
1312 * sh.c (machine_dependent_reorg): Likewise.
1313 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1316 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1318 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1319 (ashlsi3_n splitter): Likewise.
1320 (lshrsi3_n splitter): Likewise.
1322 (GOTaddr2picreg): Make const SImode.
1323 (sym_label2reg): Likewise.
1324 (symGOT2reg): Likewise.
1325 (symGOTOFF2reg) Likewise.
1327 (casesi_worker_0): Make unspec SImode.
1329 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1331 * config/sh/sh.c (barrier_align): Check that an operand really is
1332 an insn before extracting its INSN_CODE.
1334 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1336 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1339 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1340 for SImode to prevent overflow.
1342 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1344 * config/mips/irix6-libc-compat.c: New file.
1345 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1346 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1349 2001-07-24 lars brinkhoff <lars@nocrew.org>
1351 * rtl.texi (REG_POINTER): Document.
1352 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1353 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1355 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1357 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1359 2001-07-23 Richard Henderson <rth@redhat.com>
1361 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1363 2001-07-23 Kazu Hirata <kazu@hxi.com>
1365 * config/h8300/h8300-protos.h: Add a prototype for
1366 general_operand_dst_push.
1367 * config/h8300/h8300.c (general_operand_dst_push): New.
1368 * config/h8300/h8300.h (OK_FOR_T): New.
1369 (EXTRA_CONSTRAINT): Use it.
1370 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1371 the existing movqi pattern.
1372 (movhi_push): Likewise.
1374 * reload.c: Fix comment typos.
1376 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1378 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1380 2001-07-23 H.J. Lu (hjl@gnu.org)
1382 * doc/extend.texi: Update __builtin_return_address and
1383 __builtin_frame_address.
1385 2001-07-23 Richard Henderson <rth@redhat.com>
1387 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1389 * config/i386/i386.md: New setcc+movzbl peephole2.
1391 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1393 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1394 * objc/objc-act.c: Include debug.h.
1395 (synth_module_prologue): Save and restore debug hooks too.
1397 2001-07-23 lars brinkhoff <lars@nocrew.org>
1399 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1400 and C4X_FLOAT_FORMAT.
1401 (BOOL_TYPE_SIZE): Document.
1403 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1405 * unroll.c (loop_iterations): Fix miscalculation of initial
1408 2001-07-13 Andrew Haley <aph@redhat.com>
1410 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1411 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1412 * config/sh/sh.c (sh_can_redirect_branch): New function.
1413 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1414 * reorg.c (steal_delay_list_from_target): Use
1415 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1417 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1419 * flow.c (try_simplify_condjump): Unlink insn chain on
1420 fallthru edge; use can_fallthru.
1422 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1424 * basic-block.h (find_sub_basic_block): Declare.
1425 * flow.c (make_edges): New arguments MIN and MAX;
1426 (find_sub_basic_blocks): Revamp to use make_edges
1427 and purge_dead_edges.
1428 (find_basic_blocks): Update call of find_sub_basic_block.
1430 * recog.c (split_all_insns): Always expect CFG to be consistent;
1431 call find_sub_basic_blocks in case something has changed.
1432 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1435 * basic-block.h (delete_noop_moves): Declare.
1436 * combine.c (combine_instructions): Call it.
1437 (recog_for_combine): Tolerate noop moves
1438 (distribute_notes): Force refresh when register dies at noop move.
1439 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1441 (life_analysis): Update delete_noop_moves call.
1442 (set_noop_p): Move too ...
1443 * rtlanal.c (noop_move_p): ... here.
1444 * rtl.h (noop_move_p): Declare.
1446 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1447 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1449 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1450 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1452 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1454 * reload.c (push_reload): Fix typo in comment.
1455 (find_reloads_address): Ditto.
1456 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1458 2001-07-22 Richard Henderson <rth@redhat.com>
1460 * flow.c: Grammar check and clarify a lot of comments.
1461 (try_simplify_condjump): Rename variables to be clearer.
1462 (try_forward_edges): Skip complex and fallthru edges.
1463 Rearrange tests to avoid duplicate checks.
1464 (flow_find_cross_jump): Likewise.
1465 (outgoing_edges_match): Allow match if neither branch has
1466 probability data. Loosen probability match to 5%.
1467 (try_crossjump_to_edge): Hoist repeated indirection into
1469 (try_crossjump_bb): Don't check complex edges. Eliminate
1470 redundant crossjump tests.
1471 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1472 checks before more expensive checks.
1474 2001-07-22 Richard Henderson <rth@redhat.com>
1476 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1477 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1480 2001-07-22 Richard Henderson <rth@redhat.com>
1482 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1483 (const_sint32_operand): Likewise.
1484 * m68k.md (anon mulsi pattern): Use const_int_operand not
1485 const_sint32_operand.
1486 (umulsi3_highpart): Zero extend a constant input.
1487 (smulsi3_highpart): Don't bother checking SImode constant.
1488 (const_umulsi3_highpart): Give op3 DImode.
1489 (const_smulsi3_highpart): Likewise.
1491 2001-07-22 Richard Henderson <rth@redhat.com>
1493 * flow.c (split_block): Make sure bb_note is included in the
1494 new block when splitting before a label.
1496 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1498 * basic-block.h (redirect_edge_and_branch_force,
1499 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1500 * flow.c (redirect_edge_and_branch_force,
1501 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1502 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1503 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1504 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1505 instead of label; update CFG after transformation.
1506 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1507 for finishing the transformation; handle even case where ELSE
1508 does not follow THEN.
1509 (find_if_case_2): Update call of dead_or_predictable; simplify
1512 * emit-rtl.c (split_branch_probability): New global variable.
1513 (try_split): Take care to set split_branch_probability and
1514 create REG_BR_PROB note for new jump insns.
1515 * md.texi (define_split): Document new feature.
1517 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1519 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1521 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1522 (asm_out_file): Remove redundant declaration.
1523 (assemble_asm): Remove old #if 0 block.
1524 (assemble_variable): Remove end of function; debug output is
1525 now handled with global_decl. Remove old #if 0 block. Update.
1526 Remove saved_in_section and associated no-op code.
1527 * Makefile.in (varasm.o): Correct dependencies.
1529 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1531 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1532 the definition in defaults.h.
1534 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1536 * jump.c: Update comments.
1537 (delete_barrier_successors, delete_unreferenced_labels,
1538 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1539 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1540 jump_optimize, jump_optimize_minimal): Kill.
1541 (rebuild_jump_labels): Move code from jump_optimize_1.
1542 (purge_line_number_notes): Likewise.
1543 (copy_loop_headers): Likewise.
1544 * reg-stack.c: Update comment.
1546 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1547 JUMP_AFTER_REGSCAN): Kill.
1548 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1549 purge_line_number_notes and copy_loop_headers.
1551 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1552 Richard Henderson <rth@redhat.com>
1554 * dbxout.c (dbxout_global_decl): New.
1555 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1556 * sdbout.c (sdbout_finish): New.
1557 (sdbout_debug_hooks): Use it, add comments.
1558 (sdbout_global_decl): Defer initialised public vars to
1560 * varasm.c (assemble_variable): Don't output debug information
1561 for file-scope variables.
1563 2001-07-22 Richard Henderson <rth@redhat.com>
1565 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1566 (get_round_mode_suffix): New.
1567 (print_operand): Use them for [/]. Remove support for [&'`()+].
1568 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1569 * config/alpha/alpha.md (attr round_suffix): New.
1570 (attr trap_suffix): New.
1571 (all insns): Set them appropriately. Use %/ instead of the
1574 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1576 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1578 2001-07-22 Richard Henderson <rth@redhat.com>
1580 * regrename.c (regrename_optimize): Compute nregs for each
1581 potential target register.
1583 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1584 Richard Henderson <rth@redhat.com>
1586 * dbxout.c (dbxout_global_decl): New.
1587 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1588 * sdbout.c (sdbout_finish): New.
1589 (sdbout_debug_hooks): Use it, add comments.
1590 (sdbout_global_decl): Defer initialised public vars to
1592 * varasm.c (assemble_variable): Don't output debug information
1593 for file-scope variables.
1595 2001-07-21 H.J. Lu (hjl@gnu.org)
1597 * config/mips/mips.c (mips_cpu): Moved into ...
1598 (override_options): Here.
1600 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1602 (mips_cpu): Removed.
1604 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1606 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1607 ("iorqi3"): Likewise.
1608 ("xorqi3"): Likewise.
1609 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1610 ("*subhi3_sp): Likewise.
1611 ("*subhi3"): Likewise.
1612 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1615 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1617 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1618 * config/freebsd.h: Likewise.
1619 * config/linux.h: Likewise.
1620 * config/openbsd.h: Likewise.
1621 * config/alpha/linux-elf.h: Likewise.
1622 * config/arm/linux-elf.h: Likewise.
1623 * config/d30v/d30v.h: Likewise.
1624 * config/fr30/fr30.h: Likewise.
1625 * config/ia64/aix.h: Likewise.
1626 * config/ia64/ia64.h: Likewise.
1627 * config/mips/linux.h: Likewise.
1628 * config/pj/pj.h: Likewise.
1629 * config/rs6000/linux.h: Likewise.
1630 * config/sparc/linux.h: Likewise.
1631 * config/sparc/linux64.h: Likewise.
1633 2001-07-20 Bruce Korb <bkorb@gnu.org>
1635 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1636 because getc() and char* may disagree on signedness.
1638 2001-07-20 Richard Henderson <rth@redhat.com>
1640 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1642 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1643 insns to delete in the presence of cc0 in a jump insn.
1645 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1646 Jan Hubicka <jh@suse.cz>
1648 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1649 of doing the change by hand.
1651 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1653 * rtlanal.c (set_noop_p): Return true for noop jumps.
1655 * expr.c (emit_single_push_insn): Add call to push expander.
1656 * expr.h (optab_index): Add OTI_push
1657 (push_optab): New constant.
1658 * genopinit.c (optabs): Add push_optab.
1659 * optabs.c (init_optab): Init push optab.
1660 * md.texi (push??1): Document
1662 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1664 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1665 expand to emit the pattern; put a REG_INC note for push/pop
1667 ("movdf", "movdf_internal"): Likewise.
1668 ("movsi", "movsi_internal"): Likewise.
1669 ("movsf", "movsf_internal"): Likewise.
1670 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1672 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1674 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1677 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1679 * params.def: Change default max inline insns to 100.
1681 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1683 * combine.c (combine_simplify_rtx): Generate a new shift operation
1684 when simplifying the first operand of a (neg (ashift)) expression.
1686 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1688 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1690 2001-07-20 Kelley Cook <kelley.cook@home.com>
1692 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1693 information. Move rest into ...
1694 (*-*-solaris): ... here. Eliminate redundant information and
1695 reword necessary packages section. Delete 4.x assembler bug info.
1696 (sparc-sun-*): Merge into ...
1697 (sparc-sun-sunos*): here.
1699 2001-07-20 Catherine Moore <clm@redhat.com>
1701 * config/v850/v850.md (casesi): Generate LABEL_REF
1704 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1706 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1707 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1708 * i386.md (strclrsi expander): Use it.
1710 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1712 * integrate.c (copy_insn_list): handle
1713 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1714 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1715 identically as to CODE_LABEL.
1717 * fold-const (fold): Convert A/B/C to A/(B*C) and
1720 * except.c (connect_post_landing_pads): Delete the RESX insns.
1722 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1724 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1726 * config/mips/mips.md (nmadd/nmsub): Use macro.
1728 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1730 * cppinit.c (remove_dup_dir): Make static.
1731 (remove_dup_dirs): Make static. Only warn about preempting a
1732 system directory with a non-system directory.
1734 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1736 * ifcvt.c (noce_try_store_flag_constants): Correct order
1737 of parameters to trunc_int_for_mode.
1739 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1741 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1742 an exception that will be caught within this function, do not fill
1743 its delay slot with any subsequent instruction.
1745 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1747 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1748 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1749 pointer extension instruction.
1750 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1751 * simplify-rtx.c (simplify_unary_operation) Likewise.
1752 * explow.c (convert_memory_address) Check value of
1753 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1755 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1756 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1757 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1758 Add Multilib Support.
1759 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1760 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1761 Add Multilib Support.
1762 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1764 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1765 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1766 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1768 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1770 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1771 old and new operands in `<', `3' and `b'.
1773 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1775 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1776 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1777 (toplev.o): Don't depend on xcoffout.h.
1778 * c-decl.c: Include debug.h
1779 (duplicate_decls): Use debug hook.
1780 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1781 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1782 (dbxout_types): Remove.
1783 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1784 * debug.c (do_nothing_debug_hooks): Update.
1785 (debug_true_tree, debug_nothing_rtx): New.
1786 * debug.h (struct rtx_def): New.
1787 (struct gcc_debug_hooks): New hooks ignore_block,
1788 outlining_inline_function and label.
1789 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1790 dwarf2out_frame_finish): New.
1791 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1792 Make static, update prototype.
1793 (dwarf2_debug_hooks): Update.
1794 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1795 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1796 * dwarfout.c (dwarf_debug_hooks): Update.
1797 * emit-rtl.c: Include debug.h.
1798 (remove_unnecessary_notes): Use debug hook.
1799 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1800 (final_scan_insn): Use debug hook.
1801 * integrate.c (output_inline_function): Use debug hook.
1802 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1803 (sdb_debug_hooks): Update.
1804 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1805 * toplev.c: Don't include xcoffout.h.
1806 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1807 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1809 * tree.h (dwarf2out_do_frame): Remove.
1811 2001-07-19 Catherine Moore <clm@cygnus.com>
1813 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1815 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1817 * reload1.c (eliminate_regs_in_insn): When updating a set
1818 to the frame pointer to the hardware frame pointer, perform
1819 the update always not just when REPLACE is set.
1821 * reload1.c (choose_reload_regs): Don't inherit a reload
1822 that crosses multiple registers if registers past the first
1823 don't fit in the desired class.
1825 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1826 when negating constants.
1828 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1830 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1831 * doc/tree.texi: Ditto.
1833 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1834 Jakub Jelinek <jakub@redhat.com>
1836 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1837 (extract_cie_info): Handle "eh" augmentation properly,
1839 (struct frame_state, __frame_state_for): New.
1841 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1843 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1844 HANDLE_SYSV_PRAGMA): Define.
1845 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1847 (copy_object): Caller changed.
1849 2001-07-19 Andreas Schwab <schwab@suse.de>
1851 * configure.in (assembler dwarf2 debug_line support): Define nop
1853 * configure: Regenerated.
1855 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1857 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1859 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1860 to conditionally compiled block.
1861 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1862 * dbxout.h (dbxout_function): Remove.
1863 * debug.c (do_nothing_debug_hooks): Update.
1864 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1865 global_decl, deferred_inline_function.
1866 * dwarf2out.c (dwarf2_debug_hooks): Update.
1867 (dwarf2out_global_decl): New.
1868 * dwarfout.c: Don't include dwarfout.h.
1869 (dwarfout_global_decl, dwarfout_function_decl,
1870 dwarfout_deferred_inline_function): New.
1871 (dwarf_debug_hooks): Update.
1872 * dwarfout.h: Remove.
1873 * final.c: Don't include dwarfout.h.
1874 * sdbout.c (sdbout_global_decl): New.
1875 (sdbout_debug_hooks): Update.
1876 * toplev.c: Don't include dwarfout.h.
1877 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1878 (note_deferral_of_defined_inline_function): Remove.
1879 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1880 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1881 * ch/lex.c: Don't include dwarfout.h.
1882 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1883 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1884 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1885 * cp/optimize.c: Include debug.h.
1886 (maybe_clone_body): Use debug hook.
1887 * cp/semantics.c: Include debug.h.
1888 (expand_body): Use debug hook.
1889 * po/POTFILES.in: Remove dwarfout.h.
1891 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1893 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1894 * c-parse.in (yyerror, _yylex): Similarly.
1895 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1896 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1898 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1899 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1901 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1903 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1904 in-class declaration at -g1. Fixes c++/2814.
1906 2001-07-18 Richard Henderson <rth@redhat.com>
1908 * doc/md.texi (reload_in/out): Document restrictions in predicates
1909 and constraints for these patterns. Document empty string matching
1912 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1914 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1916 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1918 * cse.c: Undo my previous patch.
1920 2001-07-18 Tom Tromey <tromey@redhat.com>
1923 * configure: Rebuilt.
1924 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1926 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1928 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1929 Jan Hubicka <jh@suse.cz>
1931 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1932 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1933 * jump.c (mark_jump_label): Do not forward branches.
1935 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1937 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1938 when return value is unused.
1940 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1942 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1944 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1946 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1947 on error. We can't blindly return the result of
1948 pthread_mutex_trylock because it returns a positive number on
1949 error, while we must return -1 on error.
1950 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1952 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1954 2001-07-18 Andreas Jaeger <aj@suse.de>
1956 * integrate.c (output_inline_function): Correct type of debug_hooks.
1958 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1960 * combine.c (combine_simplify_rtx): DIV can be treated
1961 associatively for floats if unsafe math optimisations are enabled.
1963 2001-07-17 Richard Henderson <rth@redhat.com>
1965 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1967 2001-07-17 Richard Henderson <rth@redhat.com>
1969 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1970 don't force the function address into a register.
1971 (expand_call, emit_library_call_value_1): Update callers.
1972 * builtins.c (expand_builtin_apply): Likewise.
1973 * expr.h (prepare_call_address): Update decl.
1975 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1977 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1979 * config/i386/chorus.h: Move up.
1980 * config/sparc/chorus.h: Likewise.
1981 * config/rs6000/chorus.h: Likewise.
1982 * config/chorus.h: Moved here.
1984 2001-07-17 Andreas Schwab <schwab@suse.de>
1986 * configure.in (assembler eh_frame optimization): Handle big
1988 * configure: Regenerated.
1990 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1992 * expr.c (epxand_expr): Convert divisions into multiplications by
1993 reciprocals if -ffast-math.
1995 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1997 * dbxout.c (dbxout_really_begin_function): Rename to
1998 dbxout_begin_function.
1999 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2000 (dbxout_begin_function): Remove.
2001 (dbxout_function): Update.
2002 (dbxout_source_line): Update prototype.
2003 * dbxout.h (dbxout_begin_function): Remove.
2004 * debug.c (do_nothing_debug_hooks): Update.
2005 (debug_nothing_tree): Update.
2006 (debug_nothing_charstar_rtx): Remove.
2007 * debug.h (union tree_node): Declare.
2008 (struct rtx_def): Remove.
2009 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
2010 begin_function. Change source_line prototype.
2011 (debug_nothing_tree): New.
2012 (debug_nothing_charstar_rtx): Delete.
2013 (dwarf2out_begin_prologue): Moved from ...
2015 * dwarf2out.c (dwarf2_debug_hooks): Update.
2016 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
2017 debug info, call dwarf2out_source_line.
2018 (dwarf2out_souce_line): Update prototype.
2019 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2020 Change prototype, make static.
2021 (dwarfout_source_line): Update prototype.
2022 (dwarf_debug_hooks): Update.
2023 * dwarfout.h (dwarfout_begin_function): Remove.
2024 * final.c (final_start_function, final_scan_insn): Use appropriate
2025 debug hooks, update to use notice_source_line.
2026 (output_source_line): Rename notice_source_line. Don't call the
2027 source_line debug hook.
2028 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2029 make static, update prototype.
2030 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2032 (sdbout_end_prologue): New.
2033 (sdbout_source_line): Update prototype.
2034 (sdbout_debug_hooks): Update.
2035 (sdbout_symbol): Remove unused var.
2036 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2038 * varasm.c: Include debug.h.
2039 (assemble_start_function): Use begin_function debug_hook.
2040 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2041 update with prototype.
2042 (xcoffout_source_line): Update prototype.
2043 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2045 (xcoffout_source_line): Update prototype.
2047 2001-07-17 Richard Henderson <rth@redhat.com>
2049 * c-typeck.c (build_binary_op): Do not shorten unsigned
2050 right shift after sign extension.
2052 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2054 * combine.c (combine_simplify_rtx): Attempt to simplify
2055 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2057 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2058 (simplify_binary_operation, simplify_unary_operation,
2059 simplify_relational_operation): Use it.
2061 * combine.c (combine_simplify_rtx): Don't do associative law
2062 on divisions; allow associative law on floats.
2064 2001-07-17 H.J. Lu <hjl@gnu.org>
2065 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2067 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2068 ASM_OUTPUT_WEAK_ALIAS are defined.
2069 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2070 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2072 * config/mips/iris5.h: ... here.
2073 (HANDLE_SYSV_PRAGMA): Defined as 1.
2074 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2075 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2078 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2080 * c-parse.in (all_prefix_attributes): New variable.
2081 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2082 (maybe_resetattrs): New production.
2083 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2084 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2085 notype_initdcl, nested_function, notype_nested_function,
2086 component_decl, components, components_notype,
2087 component_declarator, component_notype_declarator,
2088 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2089 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2090 after a comma being applied to more than one declarator.
2091 * doc/extend.texi (Attribute Syntax): Update. Remove
2092 documentation of bugs that are no longer present.
2094 2001-07-13 Eric Christopher <echristo@redhat.com>
2096 * config/mips/mips.h: Change TUNE_MIPS* options to use
2098 (EXTRA_SPECS): Add cc1_cpu_spec.
2099 * config/mips/mips.md (muldf3): Fix typo.
2101 2001-07-16 Richard Henderson <rth@redhat.com>
2103 * config/m68k/m68k.c: Include expr.h and reload.h.
2104 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2105 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2107 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2108 Richard Henderson <rth@redhat.com>
2110 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2111 (insn_live_p): Fix fall off end of function.
2112 (dead_libcall_p): Remove COUNTS argument; update callers.
2113 (delete_trivially_dead_insns): Remove unused variables.
2115 2001-07-17 Andreas Jaeger <aj@suse.de>
2117 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2120 * lcm.c (optimize_mode_switching): Avoid warning for unused
2121 variable if !NORMAL_MODE.
2123 * flow.c (try_crossjump_to_edge): Remove unused variable.
2125 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2127 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2128 atexit declaration in stdlib.h.
2130 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2132 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2134 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2136 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2137 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2138 do rebuild_jump_labels instead of jump_optimize
2139 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2140 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2141 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2143 * flow.c: Include timevar.h
2144 (find_basic_block): Push/pop timevar;
2145 (cleanup_cfg): Likewise.
2146 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2147 * Makefile: Add dependencies on timevar.h
2149 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2150 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2152 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2153 * toplev.c (rest_of_compilation): Update calls.
2154 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2155 (delete_trivially_dead_insns): ... here; accept new argument
2156 preserve_basic_blocks; preserve basic blocks if set.
2158 * reg-stack.c (stack_regs_mentioned): Return 0 if
2159 stack_regs_mentioned_data is not initialized.
2160 (reg_to_stack): Make stack_regs_mentioned survive after the
2161 reg-stack is completted; do not call cleanup_cfg.
2162 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2163 make cleanup_cfg after bb-reorder to output to debug file.
2165 2001-07-16 Richard Henderson <rth@redhat.com>
2167 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2168 from int_reg_class_contents.
2170 2001-07-16 Richard Henderson <rth@redhat.com>
2172 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2173 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2174 (init_reg_sets_1): Move initialization from cse_main.
2175 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2176 (cse_main): Move its initialization also.
2177 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2178 * flow.c (propagate_one_insn): Likewise.
2179 * gcse.c (compute_hash_table): Likewise.
2180 (compute_kill_rd, compute_store_table): Likewise.
2181 * sched-deps.c (sched_analyze_1): Likewise.
2183 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2185 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2188 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2190 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2191 in if statement so we don't access undefined memory.
2193 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2195 * gcse.c: Update comment at top.
2196 Update comment on mem handling.
2197 mem_last_set, mem_first_set, mem_set_in_block: gone.
2198 Declaration of reg_set_info: gone.
2199 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2200 pointless with load_killed_in_block_p (they are *more*
2201 conservative then it, not less, and less accurate).
2202 (oprs_not_set_p): Ditto.
2203 (alloc_gcse_mem): Don't allocate mem_set_in_block
2204 (free_gcse_mem): Don't free it, either.
2205 (record_last_mem_set_info): Update comment in front, remove
2206 mem_*set_* stuff. Note the reason we don't handle stores directly
2208 (compute_hash_table): Update comments to reflect reality. Remove
2209 mem_*set_* references.
2210 (reset_opr_set_tables): Remove mem_*set_* references.
2212 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2213 (mark_clobber): Ditto (on both parts, we double set here too).
2214 (expr_killed_p): Remove mem_set_in_block test.
2215 (compute_transp): Remove mem_set_in_block test.
2217 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2218 of edge, and removal of phi alternative to dump file.
2219 (ssa_ccp_substitute_constants): Add note about register now being
2220 constant, and which uses were replaced in what insns to dump file.
2222 2001-07-16 Andreas Jaeger <aj@suse.de>
2224 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2225 variables of type HOST_WIDEST_INT.
2227 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2228 (__bb_exit_func): Correct type of count_max to avoid overflow.
2229 (num_digits): Handle long long argument.
2231 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2233 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2235 * output.h (sdb_begin_function_line): Restore as an extern
2237 * sdbout.c (sdb_begin_function_line): Make extern.
2239 2001-07-15 Richard Henderson <rth@redhat.com>
2241 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2242 * genrecog.c (maybe_both_true_mode): New.
2243 (maybe_both_true_2): Use it.
2244 (write_switch): Don't put Pmode in a switch.
2245 * rtl.c (mode arrays): Don't explicitly size them.
2247 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2249 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2250 handling; move unconditional splitting before mode switching.
2252 * i386.md (type): Add fistp type.
2253 (i387, length_attr, scheduling definitions): Handle this type.
2254 (fix_trunc?f?i2): Revamp to use mode switching.
2255 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2256 * i386.h (fp_cw_mode): New enum
2257 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2258 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2260 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2262 * Makefile.in (integrate.o): Add debug.h.
2263 * integrate.c (debug.h): Add.
2264 (output_inline_function): Save, reset, and restore debug_hooks.
2266 2001-07-15 Richard Henderson <rth@redhat.com>
2268 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2269 instead of COMPARE for the EQUIV expression.
2271 2001-07-15 Richard Henderson <rth@redhat.com>
2273 * flow.c (redirect_edge_and_branch_force): Initialize
2274 global_live_at_start and global_live_at_end.
2275 (allocate_bb_life_data): Export.
2276 * basic-block.h (allocate_bb_life_data): Declare.
2277 * toplev.c (rest_of_compilation): Call it.
2279 2001-07-15 Richard Henderson <rth@redhat.com>
2281 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2282 (alpha_tablejump_best_label): New.
2283 * config/alpha/alpha-protos.h: Declare them.
2284 * config/alpha/alpha.md: Use braced strings for code blocks.
2285 (tablejump_osf): Break out add with r29.
2286 (tablejump_osf_internal): Remove.
2287 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2288 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2290 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2292 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2295 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2297 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2298 (ix86_fp_jump_nontrivial_p): New.
2299 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2300 use ix86_fp_jump_nontrivial_p.
2301 * i386.c (ix86_fp_jump_nontrivial_p): New.
2302 (ix86_split_fp_branch): Accept code instead of rtx.
2303 (ix86_expand_compare): Expand comparison early in case
2304 doing so is resonably cheap.
2306 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2308 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2310 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2311 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2313 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2315 * dbxout.c (dbxout_source_line): Make static, update prototype.
2316 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2317 (dbxout_init, dbxout_finish, dbxout_source_line,
2318 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2319 * dbxout.h (dbxout_source_line): Delete.
2320 * debug.c (debug_nothing_file, debug_nothing_file_int,
2321 debug_nothing_file_charstar_rtx): New.
2322 (do_nothing_debug_hooks): Update.
2323 (debug_nothing_void, debug_nothing_charstar_rtx,
2324 dwarf2out_end_epilogue): New.
2325 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2326 * debug.h (struct rtx_def): Declare.
2327 (gcc_debug_hooks): New hooks source_line, end_epilogue
2329 (debug_nothing_void, debug_nothing_charstar_rtx,
2330 dwarf2out_end_epilogue): New.
2331 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2332 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2333 (dwarf2_debug_hooks): Update.
2334 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2335 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2336 * dwarf2out.h (dwarf2out_source_line): Remove.
2337 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2338 Make static, update prototype.
2339 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2340 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2341 (dwarf_debug_hooks): Update.
2342 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2343 dwarfout_end_function): Remove.
2344 * final.c (profile_function): Use debug hooks for ending functions
2346 (output_source_line, final_end_function): Update prototype,
2348 (final_start_function, final_scan_insn): Update.
2349 * output.h (sdb_begin_function_line): Remove.
2350 (final_end_function): Update prototype.
2351 * sdbout.c (sdb_begin_function_line): Make static.
2352 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2353 (sdbout_source_line): New.
2354 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2356 (sdb_debug_hooks): Update.
2357 (sdbout_init, sdbout_source_line,
2358 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2359 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2360 * toplev.c (compile_file, rest_of_compilation): Update.
2361 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2362 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2363 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2364 Update for prototype changes.
2365 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2366 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2368 2001-07-15 Richard Henderson <rth@redhat.com>
2370 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2371 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2372 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2373 * config/alpha/alpha.c: Likewise.
2374 * config/alpha/alpha.md: Likewise.
2375 * config/alpha/alpha32.h: Likewise.
2376 * config/alpha/vms.h: Likewise.
2379 2001-07-14 Richard Henderson <rth@redhat.com>
2381 * config/alpha/alpha.md: Use define_constants for unspec values.
2382 Substitute throughout.
2384 2001-07-14 Tim Josling <tej@melbpc.org.au>
2386 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2388 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2390 * pa.md: Remove unused constraints from define_split's.
2392 2001-04-14 Richard Henderson <rth@redhat.com>
2394 * ifcvt.c (find_cond_trap): Test for exit block.
2396 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2398 Re-install recently reverted patch.
2399 * emit-rtl.c (try_split): Update mark_jump_label call.
2400 * flow.c (find_sub_basic_blocks): Likewise.
2401 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2403 (mark_all_labels): Kill second parameter.
2404 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2405 (rebuild_jump_labels, jump_optimize_minimal): Update call
2407 (jump_optimize_1): Kill crossjumping code.
2408 (mark_jump_label): Kill cross_jump parameter.
2409 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2410 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2411 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2413 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2415 (dump_file_info): Likewise.
2416 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2417 reorganize passes to do reg-stack first, bb-reorder second.
2418 * invoke.texi (-d letters doc): Remove the jump2 pass.
2420 2001-07-14 Richard Henderson <rth@redhat.com>
2422 * ifcvt.c (find_cond_trap): New.
2423 (find_if_header): Call it.
2424 (merge_if_block): Relax existing jump sanity check.
2425 * jump.c (jump_optimize_1): Remove conditional trap handling.
2427 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2429 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2431 (insn_refs_are_delayed): Correct comment.
2432 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2433 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2434 instead of r31. Make associated insn !TARGET_64BIT, and
2435 provide an additional 64-bit insn that clobbers r2.
2437 (udivsi3): Likewise.
2439 (umodsi3): Likewise.
2441 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2443 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2445 * flow.c (redirect_edge_and_branch_force, split_edge,
2446 try_crossjump_to_edge): Use set_block_for_new_insns.
2447 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2449 2001-07-13 H.J. Lu (hjl@gnu.org)
2451 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2454 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2456 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2458 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2460 * c-common.c (decl_attributes): Take a pointer to the node to
2461 which attributes are to be attached, and a flags argument.
2462 * c-common.h (enum attribute_flags): New.
2463 (decl_attributes): Update prototype.
2464 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2465 finish_enum, start_function): Update calls to decl_attributes.
2466 * c-parse.in (component_declarator, component_notype_declarator,
2467 label): Update calls to decl_attributes.
2469 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2471 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2472 * config/avr/avr.c (legitimate_address_p): Return value changed
2473 from letter to register classes. For better debugging.
2475 2001-07-13 Kazu Hirata <kazu@hxi.com>
2477 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2479 2001-07-13 H.J. Lu (hjl@gnu.org)
2481 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2483 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2485 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2486 correctly for shared configurations.
2487 * config/t-libgcc-pic: New.
2488 * config/{i386,m68k,sparc}/t-openbsd: New.
2489 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2490 Support -shared. Support debugging libraries with -g.
2491 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2492 frame information does not emit pointer diffs.
2493 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2496 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2498 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2500 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2502 * combine.c (try_combine): Ensure const_int pow2 is positive.
2504 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2506 * config.gcc: Add configuration for s/390.
2507 * config/s390/s390.c: New. Subroutines for code generation.
2508 * config/s390/s390.h: New. Definitions for s/390.
2509 * config/s390/s390-protos.h: New. Prototypes.
2510 * config/s390/linux.h: New. Definitions for linux for s/390.
2511 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2512 * config/s390/t-linux: New. Makefile fragment.
2513 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2514 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2516 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2518 * emit-rtl.c (try_split): Update mark_jump_label call.
2519 * flow.c (find_sub_basic_blocks): Likewise.
2520 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2522 (mark_all_labels): Kill second parameter.
2523 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2524 (rebuild_jump_labels, jump_optimize_minimal): Update call
2526 (jump_optimize_1): Kill crossjumping code.
2527 (mark_jump_label): Kill cross_jump parameter.
2528 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2529 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2530 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2532 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2534 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2535 reorganize passes to do reg-stack first, bb-reorder second.
2536 * invoke.texi (-d letters doc): Remove the jump2 pass.
2538 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2540 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2542 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2544 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2546 (verify_flow_info): Make diagnostics prettier.
2548 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2550 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2552 * flow.c (outgoing_edges_match): Return early if condition reversal
2555 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2557 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2558 (mips_move_2words): When splitting a move into two instructions,
2559 prefix the second address operand with '%D'.
2561 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2563 * Makefile.in (final.o): Depend on debug.h.
2564 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2565 (dbx_debug_hooks): Add new hooks.
2566 (xcoff_debug_hooks): New.
2567 * debug.c (debug_nothing_file_int_int): New.
2568 (do_nothing_debug_hooks): Update.
2569 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2570 (debug_nothing_file_int_int): New.
2571 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2572 static, update prototype.
2573 (dwarf2_debug_hooks): Update.
2574 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2575 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2576 static, update prototype.
2577 (dwarf_debug_hooks): Update.
2578 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2579 * final.c: Include debug.h.
2580 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2581 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2582 static, update prototype.
2583 (sdb_debug_hooks): Update.
2584 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2585 * toplev.c: Distinguish between xcoff and dbx.
2587 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2588 Call all debug hooks, not just dwarf ones.
2590 2001-07-11 Timothy Wall <twall@redhat.com>
2592 * config.gcc: Add configuration for AIX5/IA64.
2593 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2594 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2595 support prefix/suffix code.
2596 * config/ia64/t-aix: New. Makefile fragment.
2597 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2599 2001-07-11 Kazu Hirata <kazu@hxi.com>
2601 * recog.c (validate_change): Fix a comment typo.
2603 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2605 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2606 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2608 * dbxout.c (dbx_debug_hooks): Add new hooks.
2609 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2611 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2613 * dbxout.h (dbxout_start_new_source_file,
2614 dbxout_resume_previous_source_file): Delete.
2615 * debug.c (do_nothing_debug_hooks): Add new hooks.
2616 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2617 (debug_nothing_int_charstar, debug_nothing_int): New.
2618 * debug.h (gcc_debug_hooks): New hooks define, undef,
2619 start_source_file and end_source_file.
2620 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2621 (debug_nothing_int_charstar, debug_nothing_int): New.
2622 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2623 the conditionally compiled section.
2624 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2625 dwarf2out_define, dwarf2out_undef): Make static.
2626 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2627 dwarf2out_define, dwarf2out_undef): Remove.
2628 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2629 (dwarfout_start_source_file, dwarfout_end_source_file,
2630 dwarfout_define, dwarfout_undef): Make static.
2631 (dwarfout_start_source_file_check,
2632 dwarfout_end_source_file_check): New.
2633 (dwarfout_define, dwarfout_finish): Update.
2634 * dwarfout.h (dwarfout_start_new_source_file,
2635 dwarfout_resume_previous_source_file, dwarfout_define,
2636 dwarfout_undef): Remove.
2637 * sdbout.c (sdb_debug_hooks): Add new hooks.
2638 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2640 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2641 make static, take an arg.
2642 * sdbout.h (sdbout_start_new_source_file,
2643 sdbout_resume_previous_source_file): Delete.
2644 * toplev.c (debug_start_source_file, debug_end_source_file,
2645 debug_define, debug_undef): Delete.
2646 * toplev.h (debug_start_source_file, debug_end_source_file,
2647 debug_define, debug_undef): Delete.
2649 * java/jcf-parse.c: Include debug.h.
2650 (parse_class_file): Update to use debug hooks directly.
2651 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2653 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2655 * alias.c (set_mem_alias_set): New function.
2656 * rtl.h (set_mem_alias_set): Declare it.
2657 * builtins.c (expand_builtin_return_addr): Call it instead of
2658 using MEM_ALIAS_SET accessor.
2659 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2660 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2661 (expand_builtin_va_copy):Likewise.
2662 * caller-save.c (setup_save_areas): Likewise.
2663 * calls.c (compute_argument_addresses): Likewise.
2664 * explow.c (set_mem_attributes): Likewise.
2665 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2666 (expand_assignment, store_constructor_field, store_field): Likewise.
2667 (expand_expr_unaligned): Likewise.
2668 * function.c (assign_stack_temp_for_type): Likewise.
2669 (put_reg_into_stack, gen_mem_addressof): Likewise.
2670 * ifcvt.c (noce_try_cmove_arith): Likewise.
2671 * reload1.c (reload, alter_reg): Likewise.
2672 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2673 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2674 (alpha_expand_unaligned_store): Likewise
2675 (alpha_expand_unaligned_load_words): Likewise.
2676 (alpha_expand_unaligned_store_words): Likewise.
2677 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2678 (alpha_expand_epilogue): Likewise.
2679 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2680 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2681 * config/i386/i386.c (legitimize_pic_address): Likewise.
2682 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2683 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2684 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2685 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2686 * config/mips/mips.c (mips_va_arg): Likewise.
2687 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2688 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2689 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2690 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2691 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2692 (rs6000_emit_epilogue): Likewise.
2693 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2694 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2695 * config/v850/v850.c (v850_va_arg): Likewise.
2697 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2699 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2700 when fallthru edge is present.
2701 (mege_blocks): Handle case where creation of jump insn
2704 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2705 CLEANUP_POST_REGSTACK): New constants.
2706 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2707 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2708 * output.h (cleanup_cfg): Update prototype.
2709 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2710 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2711 cleanup_cfg call; kill missleading comment.
2712 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2713 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2714 parameter; control optimizations performed using it.
2715 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2716 try_crossjump_bb): New functions.
2718 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2720 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2722 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2723 pa_output_function_prologue.
2724 * pa-protos.h (pa_output_function_prologue): New prototype.
2726 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2728 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2729 and low to get correct sign extension in low+high test.
2731 2001-07-11 Janis Johnson <janis@us.ibm.com>
2733 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2734 for large hit count.
2736 * profile.c (branch_prob): Fix .bbg info for computed gotos
2739 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2741 * stmt.c (parse_output_constraint): New function, split out
2743 (expand_asm_operands): ... here. Use parse_output_constraint.
2744 * tree.h (parse_output_constraint): Declare it.
2746 2001-07-11 Richard Henderson <rth@redhat.com>
2748 * bitmap.c: Comment some functions; fiddle whitespace.
2749 (bitmap_free): Don't export.
2750 (bitmap_element_allocate): Use memset.
2751 * bitmap.h (bitmap_free): Don't declare.
2753 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2755 * gcse.c, lcm.c, sched-deps.c:
2756 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2758 * flow.c (flow_loops_find): Free dom if we found no loops, since
2759 we aren't going to save it.
2761 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2764 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2766 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2768 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2770 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2771 #ifndef DWARF2_DEBUGGING_INFO.
2773 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2775 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2777 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2779 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2780 reverse a branch if a NE comparison is implemented with GTU.
2782 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2783 H.J. Lu <hjl@gnu.org>
2785 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2787 (call_internal2): Likewise.
2788 (call_value_internal1): Likewise.
2789 (call_value_internal2): Likewise.
2790 (call_value_multiple_internal1): Likewise.
2791 (call_value_multiple_internal2): Likewise.
2793 2001-07-10 Kazu Hirata <kazu@hxi.com>
2795 * calls.c (emit_library_call_value_1): Fix a comment typo.
2796 * dwarf2out.c (mem_loc_descriptor): Likewise.
2797 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2799 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2801 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2803 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2805 * recog.c (offsettable_address_p): Handle LO_SUM case.
2806 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2807 instead of plus_constant.
2809 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2811 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2812 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2814 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2816 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2817 adjust_address_nv instead of plus_constant.
2819 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2821 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2822 dwarf2out.o): Depend on debug.h, wrap long lines.
2823 * dbxout.c: Include debug.h.
2824 (dbx_debug_hooks): New.
2825 (dbxout_init): Make static, take just 2 args.
2826 (dbxout_finish): Make static.
2827 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2828 * debug.c: New file.
2829 * debug.h: New file.
2830 * dwarf2out.c: Include debug.h.
2831 (dwarf2_debug_hooks): New.
2832 (dwarf2out_init): Make static.
2833 (dwarf2out_finish): Make static, take 2 args.
2834 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2835 * dwarfout.c: Include debug.h.
2836 (dwarf_debug_hooks): New.
2837 (dwarfout_init): Make static.
2838 (dwarfout_finish): Make static, take 2 args.
2839 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2840 * sdbout.c: Include debug.h.
2841 (sdb_debug_hooks): New.
2842 (sdbout_init): Make static, take 2 args.
2843 * sdbout.h (sdbout_init): Delete.
2844 * toplev.c: Include debug.h.
2846 (compile_file): Set deubg_hooks based on command line options.
2847 Use the hooks unconditionally rather than conditional compilation.
2849 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2851 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2852 first_insn_after_basic_block_note instead.
2854 * df.c (df_bb_refs_unlink): #if 0 out for now.
2856 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2858 * ssa.h: Add prototype for ssa_const_prop
2859 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2860 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2861 (ssa_fast_dce): Remove unused variable
2863 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2865 * diagnostic.c (finish_diagnostic): Rename to
2866 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2869 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2871 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2874 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2875 (dump_file): Only pad the demangled name with spaces if the
2876 mangled name was padded with spaces.
2878 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2880 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2883 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2885 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2886 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2889 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2890 whether can put offset inside LO_SUM to check mode alignment, not size.
2892 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2894 * doc/tm.texi (Misc): Fix thinko.
2896 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2898 * regmove.c (replace_in_call_usage): Fix warnings.
2899 * sched-deps.c (add_dependence): Fix warnings.
2900 * simplify-rtx.c (simplify_subreg): Likewise.
2901 Return NULL_RTX instead of NULL.
2903 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2904 (subst_asm_stack_regs): Likewise.
2906 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2909 * dwarf2out.c (output_call_frame_info): Declare i as int.
2910 (build_abbrev_table): Declare n_alloc as int.
2911 (dwarf2out_finish): Initialize die.
2912 * except.c: Declare sjlj_funcdef_number as unsigned.
2913 (connect_post_landing_pads): Declare j as unsigned.
2914 (convert_to_eh_region_ranges): Initialize call_site.
2915 (output_function_exception_table): Initialize tt_format_size.
2916 * expr.c (move_by_pieces_1): Initialize to1.
2917 (store_constructor): Initialize minelt and maxelt.
2918 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2919 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2921 * c-decl.c (combine_parm_decls): Unused, remove.
2922 * c-tree.h: Remove prototype for combine_parm_decls.
2924 * reload.c (push_reload): Fix warning.
2925 (regno_clobbered_p): Likewise.
2926 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2927 (reload_combine): Likewise.
2929 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2930 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2932 * bitmap.c (bitmap_operation): Change user.
2933 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2935 2001-07-10 Eric Christopher <echristo@redhat.com>
2937 * config/mips/mips.c (override_options): Fix typo.
2939 2001-07-09 Stan Shebs <shebs@apple.com>
2941 * target.h (struct gcc_target): New fields init_builtins and
2943 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2944 (TARGET_EXPAND_BUILTIN): New macro.
2945 (TARGET_INITIALIZER): Add them.
2946 * builtins.c: Include target.h.
2947 (expand_builtin): Use targetm.expand_builtin.
2948 (default_init_builtins): New function.
2949 (default_expand_builtin): New function.
2950 * expr.h (default_init_builtins): Declare.
2951 (default_expand_builtin): Declare.
2952 * c-common.c (c_common_nodes_and_builtins): Use
2953 targetm.init_builtins.
2954 * defaults.h (MD_INIT_BUILTINS): Remove.
2955 * Makefile.in (builtins.o): Depend on target.h.
2957 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2958 (TARGET_EXPAND_BUILTIN): Define.
2959 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2960 (MD_EXPAND_BUILTIN): Remove.
2962 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2963 (TARGET_EXPAND_BUILTIN): Define.
2964 (c4x_init_builtins): Make endlink arg a local.
2965 (c4x_print_operand): Fix typos in adjust_address usages.
2966 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2967 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2968 (MD_EXPAND_BUILTIN): Remove.
2970 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2971 (TARGET_EXPAND_BUILTIN): Define.
2972 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2973 (ix86_init_builtins): Call new function only if TARGET_MMX.
2974 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2975 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2976 (MD_EXPAND_BUILTIN): Remove.
2978 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2979 (TARGET_EXPAND_BUILTIN): Define.
2980 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2981 (MD_EXPAND_BUILTIN): Remove.
2983 * doc/tm.texi: Document these changes.
2985 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2987 * basic-block.h (tree_node): Forward declare if needed.
2988 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2989 (BLOCK_HEAD_TREE): Define.
2990 (BLOCK_END_TREE): Define.
2991 (struct loops): Rename field 'tree' to 'tree_root'.
2992 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2994 (flow_loops_tree_build): Rename reference to field 'tree' to
2996 (flow_loops_level_compute): Ditto.
2997 * predict.c (estimate_bb_frequencies): Ditto.
2998 * tree.h (struct tree_common): Add field 'aux'.
3000 2001-07-09 Stan Shebs <shebs@apple.com>
3002 * config/darwin.c (darwin_encode_section_info): Don't mark any
3003 DECL_EXTERNAL node as defined.
3005 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3007 * pa.c (pa_init_machine_status, pa_mark_machine_status,
3008 pa_free_machine_status, hppa_init_pic_save): Delete.
3009 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
3010 (hppa_profile_hook): Use hppa_pic_save_rtx.
3011 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
3012 hppa_init_pic_save): Delete.
3013 (hppa_pic_save_rtx): Declare.
3014 * pa.md (call, call_value, sibcall, sibcall_value,
3015 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
3017 2001-07-09 Kazu Hirata <kazu@hxi.com>
3019 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3020 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3022 2001-07-09 Andreas Jaeger <aj@suse.de>
3024 * output.h: Add declaration of final_forward_branch_p.
3026 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3028 * varray.c: Include errors.h for internal_error and trim_filename
3031 * Makefile.in (varray.o): Add errors.h.
3033 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3035 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3036 * optabs.c (have_add2_insn): Check whether the add insn chosen
3037 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3038 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3040 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3042 * Makefile.in (OBJS): Add ssa-ccp.o
3043 (ssa-ccp.o): Add dependencies.
3044 * toplev.c (DFI_ssa_ccp): New dump file enum.
3045 (dump_file): Add entry for dumping after SSA CCP.
3046 (flag_ssa_ccp): New flag variable.
3047 (f_options): Add -fssa-ccp.
3048 (rest_of_compilation): Run SSA CCP if requested.
3049 * timevar.def (TV_SSA_CCP): New timevar.
3050 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3051 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3052 Fix minor typo in SSA DCE documentation.
3053 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3054 Add documentation for new dump option. Renumber dump files
3057 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3059 * emit-rtl.c (gen_highpart_mode): New.
3060 * rtl.h (gen_highpart_mode): Declare.
3061 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3062 operand can be VOIDmode constant.
3064 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3066 * flow.c (redirect_edge_and_branch_force): New.
3067 (can_fallthru): Ensure that basic blocks are succeeding.
3068 (try_optimize_cfg): Do not delete basic block if it is the last one.
3070 * flow.c (try_redirect_by_replacing_jump): Do not remove
3071 jumps with side effects, unlink chain on fallthru edge;
3072 set block for new jump instruction; avoid basic block to
3073 over by line number note.
3075 * flow.c (try_simplify_condjump): Verify that the condjump
3076 is not always falling trought.
3079 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3081 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3082 (try_redirect_by_replacing_jump): Update properly the count
3083 and frequency information.
3085 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3087 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3088 address that is a LO_SUM specially.
3089 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3091 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3093 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3094 (operand_subword): Use them.
3095 (change_address_1): Renamed from change_address; new arg VALIDATE.
3096 * expr.h: Reflect above changes; change_address now macro.
3097 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3099 * cselib.c (add_mem_for_addr): Likewise.
3100 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3101 * regmove.c (try_apply_stack_adjustment): Likewise.
3102 * reload.c (push_reload, make_memloc): Likewise.
3103 * reload1.c (eliminate_regs): Likewise.
3104 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3105 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3107 * combine.c (make_extraction, simplify_shift_const): Likewise.
3108 (gen_lowpart_for_combine): Likewise.
3109 * cse.c (gen_lowpart_if_possible): Likewise.
3110 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3111 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3112 * optabs.c (gen_move_insn): Likewise.
3113 * reload1.c (alter_reg): Likewise.
3114 * simplify-rtx.c (simplify_subreg): Likewise.
3115 * stmt.c (expand_anon_union_decl): Likewise.
3116 * recog.c (validate_replace_rtx_1): Likewise.
3118 * Makefile.in (recog.o): Add $(EXPR_H).
3119 * explow.c (stabilize): Call replace_equiv_address.
3120 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3121 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3123 2001-07-03 Andrew Haley <aph@redhat.com>
3125 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3126 the mode of the memory location.
3128 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3130 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3132 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3134 * final.c (output_addr_const): Use target opening and
3135 closing parentheses.
3136 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3137 defaults, add to TARGET_ASM_OUT.
3138 * target.h (struct gcc_target): Add open_paren and close_paren.
3139 * doc/md.texi: Update.
3140 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3141 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3142 TARGET_ASM_CLOSE_PAREN.
3143 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3145 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3147 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3148 * config/a29k/a29k.h: Similarly.
3149 * config/alpha/alpha.h: Similarly.
3150 * config/arc/arc.h: Similarly.
3151 * config/arm/aof.h: Similarly.
3152 * config/arm/aout.h: Similarly.
3153 * config/avr/avr.h: Similarly.
3154 * config/c4x/c4x.h: Similarly.
3155 * config/clipper/clipper.h: Similarly.
3156 * config/convex/convex.h: Similarly.
3157 * config/d30v/d30v.h: Similarly.
3158 * config/dsp16xx/dsp16xx.h: Similarly.
3159 * config/elxsi/elxsi.h: Similarly.
3160 * config/fr30/fr30.h: Similarly.
3161 * config/h8300/h8300.h: Similarly.
3162 * config/i370/i370.h: Similarly.
3163 * config/i386/i386.h: Similarly.
3164 * config/i860/i860.h: Similarly.
3165 * config/i960/i960.h: Similarly.
3166 * config/ia64/ia64.h: Similarly.
3167 * config/m32r/m32r.h: Similarly.
3168 * config/m68hc11/m68hc11.h: Similarly.
3169 * config/m68k/m68k.h: Similarly.
3170 * config/m88k/m88k.h: Similarly.
3171 * config/mcore/mcore.h: Similarly.
3172 * config/mips/mips.h: Similarly.
3173 * config/mn10200/mn10200.h: Similarly.
3174 * config/mn10300/mn10300.h: Similarly.
3175 * config/ns32k/ns32k.h: Similarly.
3176 * config/pa/pa.h: Similarly.
3177 * config/pdp11/pdp11.h: Similarly.
3178 * config/pj/pj.h: Similarly.
3179 * config/romp/romp.h: Similarly.
3180 * config/rs6000/rs6000.h: Similarly.
3181 * config/sh/sh.h: Similarly.
3182 * config/sparc/sparc.h: Similarly.
3183 * config/v850/v850.h: Similarly.
3184 * config/vax/vax.h: Similarly.
3185 * config/we32k/we32k.h: Similarly.
3187 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3189 * doc/c-tree.texi: Document representation of attributes.
3191 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3193 * doc/tm.texi: Update some places for the rename of target to
3196 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3198 * target.h (struct gcc_target): Add insert_attributes.
3199 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3200 (TARGET_INITIALIZER): Update.
3201 * tree.c, tree.h (default_insert_attributes): New function.
3202 Update comments on other default functions to refer to targetm,
3204 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3205 TARGET_INSERT_ATTRIBUTES.
3206 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3207 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3208 Don't use PRAGMA_INSERT_ATTRIBUTES.
3209 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3210 * c-decl.c (start_decl, start_function): Don't call
3211 SET_DEFAULT_DECL_ATTRIBUTES.
3212 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3213 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3215 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3216 (c4x_check_attribute): Avoid modifying attribute list itself.
3217 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3219 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3220 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3222 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3223 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3225 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3226 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3228 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3229 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3230 Adjust parameters. Make static.
3232 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3234 * c-common.c (decl_attributes): Only take a single attributes
3236 * c-common.h (decl_attributes): Update prototype.
3237 * c-decl.c (start_decl, start_function): Only take a single
3238 attributes parameter. Update calls to decl_attributes.
3239 (finish_struct, finish_enum): Update calls to decl_attributes.
3240 (push_parm_decl): Expect unified list of attributes. Update call
3242 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3243 notype_nested_function, component_declarator,
3244 component_notype_declarator, label): Update calls to
3246 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3247 lists that are passed to push_parm_decl.
3248 * c-tree.h (start_function, start_decl): Update prototypes.
3249 * config/sh/sh-protos.h, config/sh/sh.c
3250 (sh_pragma_insert_attributes): Only take a single attributes
3252 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3253 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3254 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3255 build_module_descriptor, generate_static_references,
3256 generate_strings, build_selector_translation_table,
3257 generate_descriptor_table, generate_protocols,
3258 generate_ivars_list, generate_dispatch_table,
3259 generate_protocol_list, generate_category,
3260 generate_shared_structures, really_start_method, add_objc_decls,
3261 generate_classref_translation_entry): Update calls to start_decl
3263 (build_tmp_function_decl, start_method_def): Unify attribute lists
3264 that are passed to push_parm_decl.
3266 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3268 * final.c (no_asm_to_stream): New.
3269 (final_scan_insn): Use target structures for prologue ends
3270 and epilogue starts.
3271 * output.h (no_asm_to_stream): New.
3272 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3273 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3274 (TARGET_ASM_OUT): Update.
3275 * target.h (struct gcc_target): New members function_end_prologue
3276 and function_begin_epilogue.
3277 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3278 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3279 * config/alpha/alpha.c (output_end_prologue): Rename to
3280 alpha_output_function_end_prologue. Use in target struct
3282 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3283 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3284 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3285 ia64_output_function_end_prologue. Use in target struct
3287 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3288 mistyped prototypes.
3289 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3290 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3292 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3293 an use in target struct, make static.
3294 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3297 2001-07-08 Richard Henderson <rth@redhat.com>
3299 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3301 2001-07-08 Richard Henderson <rth@redhat.com>
3303 * config/i386/i386.md: Remove constraints strings from define_split
3304 and define_peephole2 patterns.
3305 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3306 (eh_return): Use them.
3308 2001-07-08 Richard Henderson <rth@redhat.com>
3310 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3311 Document MD_FALLBACK_FRAME_STATE_FOR.
3313 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3315 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3316 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3318 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3320 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3322 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3323 of the label inside NAME as opposed to just the end of NAME.
3325 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3327 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3328 * config/alpha/alpha.c (alpha_init_machine_status,
3329 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3330 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3331 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3332 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3334 2001-07-06 Stan Shebs <shebs@apple.com>
3336 * target.h (targetm): Rename global from "target", so as not to
3337 conflict with local variables.
3339 * c-typeck.c: Ditto.
3343 * cp/decl2.c: Ditto.
3344 * cp/typeck.c: Ditto.
3345 * 1750a/1750a.c: Ditto.
3346 * a29k/a29k.c: Ditto.
3350 * clipper/clipper.c: Ditto.
3351 * convex/convex.c: Ditto.
3352 * d30v/d30v.c: Ditto.
3353 * dsp16xx/dsp16xx.c: Ditto.
3354 * elxsi/elxsi.c: Ditto.
3355 * fr30/fr30.c: Ditto.
3356 * h8300/h8300.c: Ditto.
3357 * i370/i370.c: Ditto.
3358 * i386/i386.c: Ditto.
3359 * i860/i860.c: Ditto.
3360 * i960/i960.c: Ditto.
3361 * ia64/ia64.c: Ditto.
3362 * m32r/m32r.c: Ditto.
3363 * m68hc11/m68hc11.c: Ditto.
3364 * m68k/m68k.c: Ditto.
3365 * m88k/m88k.c: Ditto.
3366 * mips/mips.c: Ditto.
3367 * ns32k/ns32k.c: Ditto.
3369 * pdp11/pdp11.c: Ditto.
3370 * romp/romp.c: Ditto.
3371 * rs6000/rs6000.c: Ditto.
3373 * sparc/sparc.c: Ditto.
3375 * we32k/we32k.c: Ditto.
3376 * doc/tm.texi: Update the manual to match.
3378 2001-07-06 Richard Henderson <rth@redhat.com>
3380 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3381 DWARF2_UNWIND_INFO not just whether it is defined.
3383 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3385 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3386 call to simplify_binary_operation returns a new pattern.
3388 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3390 * glimits.h (__SHRT_MAX__): New.
3391 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3392 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3394 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3396 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3399 2001-07-06 Richard Henderson <rth@redhat.com>
3401 * bitmap.c (bitmap_release_memory): Move adjacent to the
3402 allocation functions.
3403 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3404 the implementation. Binary search for the set bit.
3405 (bitmap_union_of_diff): Allocate the temporary on the stack
3406 instead of using xmalloc.
3408 2001-07-06 Richard Henderson <rth@redhat.com>
3410 * genrecog.c (validate_pattern): Warn for constraints in
3411 define_{expand,split,peephole2}. Remove strict_low_part
3412 before looking up match_dup.
3414 2001-07-06 DJ Delorie <dj@redhat.com>
3416 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3417 chapter about various build hints and history. Add section
3418 talking about the various types of native and cross builds.
3420 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3422 * Makefile.in (final.o): Depend on target.h.
3423 * final.c: Include target.h.
3424 (default_function_pro_epilogue): New.
3425 (final_start_function): Use target structure for function prologues.
3426 (final_end_function): Use target structure for function epilogues.
3427 * fold-const.c (real_hex_to_f): Constify s and p.
3428 * output.h (default_function_pro_epilogue): New.
3429 * real.h (real_hex_to_f): Update prototype.
3430 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3431 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3432 (TARGET_INITIALIZER): Update.
3433 * target.h (gcc_target): Add struct asm_out.
3434 * doc/tm.texi: Update.
3437 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3438 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3439 in cpu/cpu.c, or rename old functions consistently. Take
3440 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3441 redundant macros and prototypes. Make new functions static.
3443 * 1750a/1750a.c: Similarly.
3444 * 1750a/1750a.h: Similarly.
3445 * a29k/a29k-protos.h: Similarly.
3446 * a29k/a29k.c: Similarly.
3447 * a29k/a29k.h: Similarly.
3448 * arc/arc-protos.h: Similarly.
3449 * arc/arc.c: Similarly.
3450 * arc/arc.h: Similarly.
3451 * arm/arm-protos.h: Similarly.
3452 * arm/arm.c: Similarly.
3453 * arm/arm.h: Similarly.
3454 * avr/avr-protos.h: Similarly.
3455 * avr/avr.c: Similarly.
3456 * avr/avr.h: Similarly.
3457 * clipper/clipper-protos.h: Similarly.
3458 * clipper/clipper.c: Similarly.
3459 * clipper/clipper.h: Similarly.
3460 * convex/convex.c: Similarly.
3461 * convex/convex.h: Similarly.
3462 * d30v/d30v-protos.h: Similarly.
3463 * d30v/d30v.c: Similarly.
3464 * d30v/d30v.h: Similarly.
3465 * d30v/d30v.md: Similarly.
3466 * dsp16xx/dsp16xx-protos.h: Similarly.
3467 * dsp16xx/dsp16xx.c: Similarly.
3468 * dsp16xx/dsp16xx.h: Similarly.
3469 * elxsi/elxsi.c: Similarly.
3470 * elxsi/elxsi.h: Similarly.
3471 * fr30/fr30.c: Similarly.
3472 * fr30/fr30.md: Similarly.
3473 * h8300/h8300-protos.h: Similarly.
3474 * h8300/h8300.c: Similarly.
3475 * h8300/h8300.h: Similarly.
3476 * i370/i370-protos.h: Similarly.
3477 * i370/i370.c: Similarly.
3478 * i370/i370.h: Similarly.
3479 * i386/i386.c: Similarly.
3480 * i386/osf1elf.h: Similarly.
3481 * i386/osfrose.h: Similarly.
3482 * i860/i860-protos.h: Similarly.
3483 * i860/i860.c: Similarly.
3484 * i860/i860.h: Similarly.
3485 * i960/i960-protos.h: Similarly.
3486 * i960/i960.c: Similarly.
3487 * i960/i960.h: Similarly.
3488 * ia64/ia64-protos.h: Similarly.
3489 * ia64/ia64.c: Similarly.
3490 * ia64/ia64.h: Similarly.
3491 * m32r/m32r-protos.h: Similarly.
3492 * m32r/m32r.c: Similarly.
3493 * m32r/m32r.h: Similarly.
3494 * m68hc11/m68hc11-protos.h: Similarly.
3495 * m68hc11/m68hc11.c: Similarly.
3496 * m68hc11/m68hc11.h: Similarly.
3497 * m68k/crds.h: Similarly.
3498 * m68k/dpx2.h: Similarly.
3499 * m68k/m68k-protos.h: Similarly.
3500 * m68k/m68k.c: Similarly.
3501 * m68k/m68k.h: Similarly.
3502 * m68k/news.h: Similarly.
3503 * m88k/m88k-protos.h: Similarly.
3504 * m88k/m88k.c: Similarly.
3505 * m88k/m88k.h: Similarly.
3506 * mips/mips-protos.h: Similarly.
3507 * mips/mips.c: Similarly.
3508 * mips/mips.h: Similarly.
3509 * ns32k/merlin.h: Similarly.
3510 * ns32k/ns32k.c: Similarly.
3511 * ns32k/ns32k.h: Similarly.
3512 * ns32k/tek6000.h: Similarly.
3513 * pa/pa-protos.h: Similarly.
3514 * pa/pa.c: Similarly.
3515 * pa/pa.h: Similarly.
3516 * pdp11/2bsd.h: Similarly.
3517 * pdp11/pdp11-protos.h: Similarly.
3518 * pdp11/pdp11.c: Similarly.
3519 * pdp11/pdp11.h: Similarly.
3520 * romp/romp-protos.h: Similarly.
3521 * romp/romp.c: Similarly.
3522 * romp/romp.h: Similarly.
3523 * rs6000/rs6000-protos.h: Similarly.
3524 * rs6000/rs6000.c: Similarly.
3525 * rs6000/rs6000.h: Similarly.
3526 * rs6000/sysv4.h: Similarly.
3527 * sh/sh-protos.h: Similarly.
3528 * sh/sh.c: Similarly.
3529 * sh/sh.h: Similarly.
3530 * sparc/sparc-protos.h: Similarly.
3531 * sparc/sparc.c: Similarly.
3532 * sparc/sparc.h: Similarly.
3533 * vax/vax.c: Similarly.
3534 * vax/vax.h: Similarly.
3535 * vax/vms.h: Similarly.
3536 * we32k/we32k.c: Similarly.
3537 * we32k/we32k.h: Similarly.
3539 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3541 * basic-block.h (first_insn_after_basic_block_note): Declare.
3542 * flow.c (first_insn_after_basic_block_note): Define. Moved
3544 * ssa.c (first_insn_after_basic_block_note): Remove.
3545 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3547 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3548 nodes when we find a dead conditional branch. Insert BARRIERs
3549 after any blocks with no successors, but which do not have
3552 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3554 * varray.c (varray_check_failed): Use internal_error.
3556 2001-07-05 Andrew Haley <aph@redhat.com>
3558 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3559 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3560 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3562 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3564 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3565 reference if the target constant is also a SYMBOL_REF.
3567 2001-07-05 Eric Christopher <echristo@redhat.com>
3569 * config/mips/mips.h (MASK_MIPS3900): Remove.
3570 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3571 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3572 (TARGET_MIPS3900): Change to use mips_arch.
3573 (TARGET_MIPS4000): New.
3574 (TARGET_MIPS4100): New.
3575 (TARGET_MIPS4300): New.
3576 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3577 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3579 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3580 (ISA_HAS_BRANCHLIKELY): To here.
3581 (CC1_CPU_SPEC): New.
3582 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3583 (mips_arch_string): Declare.
3584 (mips_arch): Declare.
3585 (TARGET_OPTIONS): Add -march and -mtune.
3587 * config/mips/mips.c (mips_arch_string): New.
3589 (override_options): Handle -march for codegen and -mtune
3590 for scheduling. Use mips_arch. Move tx39 target default here.
3591 (mips_parse_cpu): Move error message to override_options.
3593 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3595 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3597 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3598 (MIPS Options): Ditto. Change mcpu entry to historical text.
3600 2001-07-05 H.J. Lu (hjl@gnu.org)
3602 * config/mips/mips.c (mips_parse_cpu): New function to parse
3605 2001-07-05 Jim Wilson <wilson@redhat.com>
3607 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3608 * config/ia64/t-ia64: Likewise.
3609 (LIB1ASMFUNCS): Update comment.
3611 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3613 * doc/install.texi (Install GCC: Binaries): Fix typo.
3615 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3617 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3618 reference using the stack pointer, adjust it since we push Y
3620 ("*ashrsi3"): Likewise.
3621 ("*lshrsi3"): Likewise.
3623 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3625 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3626 when -fomit-frame-pointer is used.
3628 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3630 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3631 (try_redirect_by_replacing_jump): Reverse updating properly the
3632 count and frequency information. Reverse removing cc0 setter.
3633 (forwarder_block_p): Reverse fixing for fallthru blocks.
3635 2001-07-05 DJ Delorie <dj@redhat.com>
3637 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3638 (translate_options): If the above is defined, use it to map
3639 given options to new options.
3640 * doc/tm.texi: Document it.
3642 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3643 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3645 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3646 cause programs using computed gotos to run more slowly.
3648 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3650 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3652 Consistently require binutils 2.11.2, not prereleases.
3653 (Specific, decstation-*): Canonicalize as mips-dec-*.
3654 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3656 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3657 (Specific, mips-*): Reword MIPS C compiler requirements.
3658 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3659 (Specific, sunv5): Removed, obsolete.
3661 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3663 * dwarf2out.c (output_loc_list): Use an all ones mask for
3664 .text asm output and don't rely on long long
3665 literals. Reformat some long lines.
3667 2001-07-05 Andreas Jaeger <aj@suse.de>
3669 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3672 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3674 * dwarf2out.c (dwarf2out_define): Update comment.
3675 (dwarf2out_undef): Ditto.
3676 (dwarf2out_start_source_file): Ditto.
3677 (dwarf2out_end_source_file): Ditto.
3678 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3679 since we never call the start/end debug hook for the primary file.
3681 2001-07-04 Kazu Hirata <kazu@hxi.com>
3683 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3686 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3688 * cppinit.c (remove_dup_dirs): Inform if a system include
3689 directory is being reordered.
3690 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3692 * doc/cpp.texi (Search Paths): Likewise.
3693 * doc/gcc.texi (Interoperation): Remove information about
3696 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3698 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3699 (VARRAY_TOP_CHAR_PTR): Likewise.
3701 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3703 * gcc.c (process_command): Don't assign elements of a const char*.
3705 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3707 * emit-rtl.c (change_address): Don't abort if invalid address while
3708 reload is in progress.
3710 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3712 * c-lex.c (cb_file_change): Pass line number to
3713 debug_start_source_file.
3714 (cb_undefine): Pass correct line number to debug_undef.
3716 * toplev.c (debug_start_source_file): Add line number to
3717 parameters. Pass it along to dwarf2out_start_source_file.
3718 (decode_g_option): Stop resetting debug level back to normal when
3719 we change debug formats, unless the current level is
3720 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3723 * toplev.h (debug_start_source_file): Add line number to
3726 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3729 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3731 Output debug_macinfo data for starting file if requested.
3732 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3734 (dwarf2out_define): Output debug_macinfo data for defining a macro
3736 (dwarf2out_undef): Output debug_macinfo data for undefining a
3738 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3739 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3740 (macinfo_section_label): New. DWARF2 macro info section label.
3741 (dwarf2out_init): If we want macro info, output the start label
3743 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3744 attribute to the compilation unit die pointing to the macro info.
3746 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3748 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3749 DWARF2_DEBUGGING_INFO.
3750 (add_loc_descr_to_loc_list): Ditto.
3751 (output_loc_list): Ditto.
3752 Also, fix thinko in curr not being initialized.
3753 (gen_internal_sym): Ditto.
3755 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3757 * emit-rtl.c (replace_equiv_address): New function.
3758 * expr.h (replace_equiv_address): New declaration.
3759 * explow.c (validize_mem): Call it instead of change_address and
3760 also call if -fforce-addr and address is constant.
3761 * expr.c: Replace more calls to change_address with adjust_address
3762 and/or replace_equiv_address or to validize_mem.
3763 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3764 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3765 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3766 * config/i370/i370.md, config/i860/i860.md: Likewise.
3767 * config/i960/i960.md, config/mips/mips.c: Likewise.
3768 * config/mips/mips.md, config/pa/pa.md: Likewise.
3769 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3770 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3772 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3774 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3776 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3779 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3781 * doc/include: New directory.
3782 * doc/fdl.texi: Move to doc/include/fdl.texi.
3783 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3784 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3785 * doc/gcc.texi: Use funding.texi and gpl.texi.
3786 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3787 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3788 Update dependencies and use -I $(docdir)/include.
3790 2001-07-04 Anthony Green <green@redhat.com>
3792 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3794 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3796 * doc/install.texi (sparc64-*-*): Remove garbage.
3798 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3800 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3801 Fix typo in last change to use adjust_address.
3803 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3805 * doc/install.texi (Specific): Update information for *-*-solaris*.
3807 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3809 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3811 2001-07-03 Stan Shebs <shebs@apple.com>
3813 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3814 case for flag_no_mach_text_sections.
3815 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3816 * config/darwin.c (flag_no_mach_text_sections): Remove.
3817 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3819 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3821 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3822 and avoid checking for constant as first operand.
3823 * recog.c (find_constant_term_loc): No longer static.
3824 (adj_offettable_operand): Delete.
3825 * rtl.h (adj_offsettable_operand): Delete declaration.
3826 (find_constant_term): Add declaration.
3827 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3829 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3830 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3831 * config/i386/i386.c, config/i386/i386.md: Likewise.
3832 * config/i860/i860.c, config/i960/i960.c: Likewise.
3833 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3834 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3835 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3836 * config/mips/mips.c, config/mips/mips.md: Likewise.
3837 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3838 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3839 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3840 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3841 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3842 * config/ns32k/ns32k.md: Likewise.
3844 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3846 * rtl.c (copy_rtx): Handle 'T' format letter.
3847 * gensupport.c (collect_insn_data): Likewise.
3848 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3850 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3852 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3853 -B option. Use 'dir' not 'foo' as example directory name.
3855 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3857 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3858 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3860 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3862 * doc/cppinternals.texi: Improve formatting and logical markup.
3864 2001-07-03 Andreas Jaeger <aj@suse.de>
3866 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3868 * genrecog.c (write_header): Include reload.h for prototypes in
3871 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3874 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3875 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3876 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3877 i386_pe_valid_type_attribute_p): Add.
3878 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3879 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3881 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3883 * explow.c (plus_constant_wide, case LO_SUM): New case.
3884 (plus_constant_for_output_wide): Delete.
3885 * rtl.h (plus_constant_for_output): Delete.
3886 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3887 instead of plus_constant_for_output.
3888 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3889 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3890 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3891 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3892 * config/sparc/sparc.md: Likewise.
3893 Convert some change_address calls to adjust_address.
3895 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3897 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3898 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3899 documentation of -std and -Wwrite-strings.
3901 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3903 * cse.c (canon_hash): Don't register registers in very small
3904 register classes, as extending their lifetime might cause
3907 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3909 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3911 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3912 (try_redirect_by_replacing_jump): Update properly the count
3913 and frequency information.
3915 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3917 * toplev.c (dump_file_index): Move SSA dumps just after first
3919 (dump_file): Corresponding changes.
3920 (rest_of_compilation): Move SSA path to just after the first
3922 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3923 * doc/invoke.texi: Update dump file #s as they were completely
3924 out of date with reality.
3926 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3928 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3930 * expr.c (emit_move_insn_1): Deal with non-default
3933 * expr.c (emit_single_push_insn): Fix warning.
3935 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3937 * expr.c (emit_move_insn_1): Avoid modifying
3938 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3940 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3942 * emit-rtl.c (adjust_address): New function.
3943 * expr.h (adjust_address): Add declaration.
3944 * builtins.c: Replace some calls to change_address with calls to it
3946 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3947 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3948 * config/arm/arm.c, config/convex/convex.c: Likewise.
3949 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3950 * config/i386/i386.c, config/i386/i386.md: Likewise.
3951 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3952 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3953 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3954 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3955 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3957 2001-07-02 Jim Wilson <wilson@redhat.com>
3959 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3961 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3963 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3964 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3966 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3968 * cppinit.c (lang_defaults): New table.
3969 (set_lang): Just read from lang_defaults into the live options
3972 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3974 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3975 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3976 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3978 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3980 * doc/install.texi: Various spelling and markup fixes.
3981 (Installing GCC): Component specific installation instructions are
3984 Warn about removing old install dir in the presence of shared libs.
3985 (Configuration): Invoke with options target to match configure
3987 Consistently refer to gas, gld pathnames.
3988 Invert --enable-multilib documentation.
3989 Remove references to old compiler versions.
3991 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3993 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3995 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3997 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3999 (Specific, mips*-sgi-irix5): Note IDO download.
4000 Reworded MIPS C hints.
4001 Use GNU as instead of GAS.
4003 Removed SGI Freeware reference, IRIX 6 only.
4004 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
4005 Note N64 library requirement/workaround.
4007 Complete list of structure passing bug victims.
4009 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4011 * doc/install.texi: Remove CVS Id.
4013 2001-07-02 Andreas Jaeger <aj@suse.de>
4015 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
4016 (find_inherently_necessary): Remove unused variable.
4018 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4020 * c-common.h (TDI_inlined): New ast dump phase.
4021 (dump_flag_name): New function.
4022 * c-dump.c (dump_files): Add inlined phase.
4023 (dump_flag_name): Define.
4024 * doc/invoke.texi (-fdump-ast-inlined): Document.
4026 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4028 * stor-layout.c (layout_decl): Revert change to handling of alignment
4031 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4033 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4036 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4038 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4041 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4043 * tlink.c (recompile_files): Remove COMPILER_PATH and
4044 LIBRARY_PATH from the environment.
4046 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4048 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4049 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4051 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4053 * c-parse.in (OBJC_STRING): Kill.
4054 (objc_string): Decompose to [objc_string] '@' STRING.
4055 (reswords): Take the leading '@' off all the Objective C keywords.
4056 (objc_rid_sans_at): Kill.
4057 (init_reswords): Don't initialize it.
4058 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4059 (_yylex): Kill reconsider label. Look ahead one token after
4060 an '@'; if we get an identifier, check whether it's an
4061 Objective C @-keyword. If so, return the keyword. Otherwise,
4062 put back the token and return the '@' as a terminal.
4064 * cpplib.c (lex_macro_node): Remove unnecessary check for
4065 leading '@' on identifier. Clarify control flow and commentary.
4067 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4069 * cse.c (new_label_ref): Variable deleted.
4070 (insert): Remove set of new_label_ref.
4071 (check_for_label_ref): New function.
4072 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4074 See ChangeLog.5 for earlier changes.