| blob | 92bf8d4fee6690947ad6afd47ab810eb7c928067 |
1 2001-08-04 Andreas Jaeger <aj@suse.de>
3 * gcse.c: Revert Daniel's last patch.
5 2001-08-03 Zack Weinberg <zackw@stanford.edu>
7 * sparc-protos.h: Add prototypes for fp_zero_operand and
8 reg_or_0_operand.
9 * sh-protos.h: Add prototype for fpul_operand.
11 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
13 * doc/extend.texi (Other Builtins): Fix typo in last change.
15 2001-08-03 Richard Henderson <rth@redhat.com>
17 * target.h (gcc_target): Add asm_out.named_section,
18 section_type_flags, have_named_sections.
19 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
20 (TARGET_HAVE_NAMED_SECTIONS): New.
21 (TARGET_SECTION_TYPE_FLAGS): New.
23 * Makefile.in (toplev.o): Depend on TARGET_H.
24 (varasm.o, dbxout.o): Likewise.
25 * c-common.c (decl_attributes): Check targetm.have_named_sections
26 instead of ifdef ASM_OUTPUT_SECTION_NAME.
27 * dbxout.c (dbxout_function_decl): Likewise.
28 (dbxout_function_end): Likewise.
29 * toplev.c (compile_file): Likewise.
30 * varasm.c (exception_section): Likewise.
31 * cp/decl2.c (finish_objects): Likewise.
33 * defaults.h (EH_FRAME_SECTION): Remove.
34 (EH_FRAME_SECTION_ASM_OP): Remove.
35 (EH_FRAME_SECTION_NAME): New.
36 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
37 (UNIQUE_SECTION_P): Remove.
38 * dwarf2out.c (SECTION_FORMAT): Remove.
39 (ASM_OUTPUT_SECTION): Remove.
40 (output_call_frame_info): Use named_section_flags.
41 (output_comp_unit, dwarf2out_start_source_file): Likewise.
42 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
43 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
44 * varasm.c (in_eh_frame, eh_frame_section): Remove.
45 (named_section_flags): New.
46 (named_section): Use it and targetm.section_type_flags.
47 (resolve_unique_section): New.
48 (assemble_start_function): Use it.
49 (asm_emit_uninitialised, assemble_variable): Likewise.
50 (default_section_type_flags): New.
51 (default_no_named_section, default_elf_asm_named_section): New.
52 (default_coff_asm_named_section, default_pe_asm_named_section): New.
53 * output.h: Update varasm.c decls.
54 (SECTION_*): New flags.
56 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
57 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
59 * config/elfos.h (UNIQUE_SECTION_P): Remove.
60 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
61 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
62 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
63 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
64 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
65 * config/mips/elf.h, config/mips/elf64.h: Likewise.
66 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
67 * config/pa/pa64-hpux.h,
69 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
70 (TARGET_ASM_NAMED_SECTION): New.
71 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
72 * config/alpha/vms.h, config/arm/coff.h: Likewise.
73 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
74 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
75 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
76 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
77 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
78 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
79 * config/i386/sco5.h, config/i386/win32.h: Likewise.
80 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
81 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
82 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
83 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
84 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
85 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
86 * config/sparc/sysv4.h: Likewise.
88 * config/nextstep.h: Error until named sections implemented.
90 * config/a29k/a29k.c (a29k_asm_named_section): New.
91 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
92 (vms_section_type_flags, vms_asm_named_section): New.
93 * config/arm/arm.c (arm_elf_asm_named_section): New.
94 * config/avr/avr.c (asm_output_section_name): Remove.
95 * config/avr/avr-protos.h: Update.
96 * config/c4x/c4x.c (c4x_asm_named_section): New.
97 * config/h8300/h8300.c (h8300_asm_named_section): New.
98 * config/i386/i386.c (sco_asm_named_section): New.
99 * config/i386/winnt.c (SECTION_PE_SHARED): New.
100 (i386_pe_section_type_flags): New.
101 (i386_pe_asm_named_section): New.
102 * config/i386/i386-protos.h: Update.
103 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
104 * config/mcore/mcore.c (mcore_asm_named_section): New.
105 * config/mips/mips.c (iris6_asm_named_section): New.
106 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
107 instead of UNIQUE_SECTION_P.
108 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
109 (xcoff_asm_named_section): New.
110 * config/sh/sh.c (sh_asm_named_section): New.
111 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
113 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
114 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
115 (EH_FRAME_SECTION_NAME): New.
116 (EXCEPTION_SECTION): New.
117 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
118 (DEBUG_*_SECTION): Remove.
119 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
120 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
121 (EH_FRAME_SECTION_ASM_OP): Remove.
123 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
124 (ASM_OUTPUT_SECTION_NAME): Remove.
125 (TARGET_ASM_NAMED_SECTION): New.
126 (TARGET_HAVE_NAMED_SECTIONS): New.
127 (TARGET_SECTION_TYPE_FLAGS): New.
128 (EH_FRAME_SECTION_ASM_OP): Remove.
129 (EH_FRAME_SECTION_NAME): New.
131 2001-08-03 Zack Weinberg <zackw@stanford.edu>
133 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
134 for complex expressions when cfun == 0.
135 * doc/extend.texi: Document that __builtin_constant_p can be
136 used in data initializers as well as functions.
138 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
140 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
141 variable I locally, instead of expecting a declaration in the
142 calling context.
144 2001-08-03 Richard Henderson <rth@redhat.com>
146 * except.c (collect_one_action_chain): Add an explicit cleanup
147 action if regions surrounding a catch were encoded entirely
148 within the call-site entry.
150 2001-08-03 Richard Henderson <rth@redhat.com>
152 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
153 don't take REGNO of a non-register.
155 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
157 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
158 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
159 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
160 (__gthread_mutex_init_function): New function for mutex initialization.
162 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
164 * Makefile.in: Revert screwed up commit.
166 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
168 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
169 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
170 merged by linker script to get a final _exit().
171 (__do_global_dtors): New for destructor handling in specific exit
172 section.
173 (__do_global_ctors): New for constructors in specific install section.
174 (__map_data_section): Map data sections before running constructors.
175 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
176 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
177 (DTORS_SECTION_ASM_OP): Likewise.
178 (CTORS_SECTION_FUNCTION): Define to force a reference to
179 __do_global_ctors.
180 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
182 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
184 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
186 * Makefile.in: Add df.h to gcse.c dependencies.
188 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
190 * varasm.c (output_constant_def_contents): Use for the length of a
191 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
192 depending on which is larger.
194 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
196 * gcse.c: Include df.h for use as a dataflow analyzer.
197 Remove regvec.
198 Declaration of reg_set_info: gone.
199 New df_analyzer variable used by store motion.
200 (reg_set_info): Deleted.
201 (mark_mem_regs): New function, analyze regs used by a mem.
202 (store_ops_ok): Use dataflow analyzer results to determine if
203 necessary regs are changed in the block.
204 (find_moveable_store): Remove check for symbol ref, we can handle
205 much more complex expressions now.
206 (compute_store_table): Remove most of the code, it's unnecessary
207 now that the dataflow analyzer records the info for us.
208 (store_killed_after): Add parameter to say whether to do the
209 store_ops_okay test, used to speed up testing when we already know
210 the answer, and just want to know if the store itself was killed.
211 (build_store_vector): Largely rewritten to calculate the various
212 vectors properly, and somewhat optimized.
213 (store_motion): Init the df_analyzer, get REG_DEF chains.
214 Also handle trapping expressions (since mems almost always trap)
215 (simple_mem): Redefine what a simple mem is.
217 2001-08-03 DJ Delorie <dj@redhat.com>
219 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
220 set from a constant part of the condition.
222 2001-08-01 Andrew Cagney <ac131313@redhat.com>
224 * mkdeps.c (deps_add_default_target): Make local variable
225 ``start'' a const char pointer.
226 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
228 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
230 * doc/install.texi (Configuration): Fix markup.
231 (Specific, i?86-*-udk): Likewise.
232 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
233 --with-gnu-ld.
234 Document --enable-threads and --enable-libgcj status.
235 (Specific, mips-sgi-irix*): Canonicalize triples.
236 (Specific, mips-sgi-irix5): Warn about problems with this config.
237 Mention required GNU as patch.
238 Native assembler problems are fixed.
239 (Specific, mips-sgi-irix6): Update O32 ABI support status.
240 Document --enable-threads and --enable-libgcj status.
242 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
244 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
245 of mkinstalldirs.
247 2001-08-03 Richard Henderson <rth@redhat.com>
249 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
250 constant data.
252 2001-08-03 Richard Henderson <rth@redhat.com>
254 * rtlanal.c (find_first_parameter_load): Stop if we
255 reach a CODE_LABEL at BOUNDARY.
257 2001-08-03 Richard Henderson <rth@redhat.com>
259 * config/alpha/alpha.md (force_movdi): New insn.
260 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
261 Tweek FRP marking of VMS prologue insns.
262 * config/alpha/vms.h (EPILOGUE_USES): New.
264 2001-08-02 Richard Henderson <rth@redhat.com>
266 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
268 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
270 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
271 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
272 config/convex/convex.h, config/d30v/d30v.c,
273 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
274 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
275 config/mips/mips.h, config/mn10200/mn10200.h,
276 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
277 config/v850/v850.h, config/vax/openbsd.h,
278 config/vax/openbsd1.h, config/vax/ultrix.h,
279 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
280 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
281 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
282 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
283 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
284 in comments and documentation.
286 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
288 * line-map.c: New.
289 * line-map.h: New.
290 * Makefile.in (line-map.o): New.
291 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
292 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
293 * cpperror.c (print_containing_files): Similarly.
294 (print_location): Update. Don't output a space before _Pragma.
295 * cppfiles.c (stack_include_file): Set to line 1 immediately.
296 (stack_include_filee, cpp_make_system_header): Update.
297 (_cpp_execute_include): Get logical line number right for calling
298 as-yet-unterminated #include.
299 * cpphash.h (struct cpp_reader): Add line_maps.
300 (_cpp_do_file_change): Update.
301 * cppinit.c (cpp_create_reader): Initialize line maps.
302 (cpp_destroy): Destroy line maps.
303 (cpp_start_read): Get logical line number right.
304 * cpplex.c (parse_string): Only warn once for multi-line strings.
305 Use boolean variable for null warning.
306 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
307 already.
308 (do_include_common): End the directive early.
309 (do_line): Don't warn about out-of-range lines in preprocessed
310 source. Update. Remove unused variables.
311 (_cpp_do_file_change): Update for new line mapping.
312 (pragma_cb): New typedef.
313 (cpp_register_pragma): Stop looking ahead before calling the
314 handler. Clean up.
315 (do_pragma_system_header): End directive early.
316 (cpp_get_line_maps): New.
317 (cpp_pop_buffer): Fudge logical line. Update.
318 * cpplib.h: Include line-map.h
319 (enum cpp_fc_reason): Remove.
320 (struct cpp_file_change): Update.
321 (cpp_get_line_maps): New.
322 * cppmain.c (struct_printer): New member map.
323 (cb_file_change): Update for new mappings.
324 * fix-header.c (cb_file_change): Similarly.
326 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
328 * Makefile.in (libgcc.mk): Define mkinstalldirs.
329 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
331 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
333 * config/vax/vax.c: include expr.h.
335 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
337 * Makefile.in ($(srcdir)/configure): Only rebuild in
338 maintainer mode.
339 ($(srcdir)/config.in): Only define in maintainer mode.
340 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
342 2001-08-02 David Edelsohn <edelsohn@gnu.org>
344 * doc/install.texi (Install GCC: Binaries): Update Bull info.
346 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
348 * gcc.c (set_collect_gcc_options): New function, split out from
349 main.
350 Ignore elided switches.
351 (do_spec_1): Invoke before executing command.
352 (set_input): Export.
353 Move declaration ...
354 * gcc.h (set_input): ... here.
355 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
356 file.
358 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
360 Kill -fhonor-std.
361 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
362 interaction.
363 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
365 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
367 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
368 for the unnamed instructions it expands to.
370 2001-08-02 Richard Henderson <rth@redhat.com>
372 * regclass.c (call_really_used_regs): Conditionally define.
373 (init_reg_sets_1): Don't use it if not defined.
374 (fix_register): Similarly, don't set it.
376 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
378 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
379 Correct comment that had been missed in the previous change.
381 2001-08-01 Stan Shebs <shebs@apple.com>
383 * config/darwin.c (machopic_stub_name): Try matching by name.
384 (update_stubs): New function.
385 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
386 unconditionally.
388 2001-08-01 Richard Henderson <rth@redhat.com>
390 * except.c (output_function_exception_table): Use assemble_align.
391 * varasm.c (assemble_eh_label): Remove.
392 (assemble_eh_align, assemble_eh_integer): Remove.
394 2001-08-01 Robert Lipe <robertl@caldera.com>
396 * dwarfout.c: Remove reference to README.DWARF.
398 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
400 * regclass.c (call_really_used_regs): New array for registers which
401 are actually used by a call.
402 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
403 new array.
404 (fix_register): Set call_really_used too.
405 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
406 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
408 2001-08-01 Richard Henderson <rth@redhat.com>
410 * read-rtl.c (read_name): Consider \r whitespace.
412 2001-07-11 Andrew Cagney <ac131313@redhat.com>
414 * config.gcc: Recognize powerpc-*-netbsd*.
416 * doc/install.texi (Host/target specific installation notes for
417 GCC): Mention powerpc-*-netbsd*.
419 * config/rs6000/netbsd.h: New file.
420 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
421 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
422 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
423 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
424 (TARGET_VERSION): Redefine.
426 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
427 mcall-netbsd as a match for mcall-sysv.
428 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
429 (ncrti.S, ncrtn.S): New targets.
430 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
433 "netbsd' as a V4 ABI.
434 (ASM_SPEC): Check for -mcall-netbsd.
435 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
436 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
437 (LIB_SPEC, ENDFILE_SPEC): Ditto.
438 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
439 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
440 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
441 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
443 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
444 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
446 2001-08-01 Mark Kettenis <kettenis@gnu.org>
448 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
449 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
450 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
451 including "unwind-pe.h".
453 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
455 * rs6000.md (define_splits): Kill unused constraints.
457 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
458 Jan Hubicka <jh@suse.cz>
460 * function.c (thread_prologue_and_epilogue_insns): Kill code
461 dealing with non-existent CFG.
463 2001-08-01 Kazu Hirata <kazu@hxi.com>
465 * alias.c: Fix comment formatting.
466 * bitmap.c: Likewise.
467 * builtins.c: Likewise.
468 * calls.c: Likewise.
469 * c-common.c: Likewise.
470 * c-decl.c: Likewise.
471 * c-dump.c: Likewise.
472 * c-lex.c: Likewise.
473 * collect2.c: Likewise.
474 * combine.c: Likewise.
475 * conflict.c: Likewise.
476 * cppfiles.c: Likewise.
477 * cppinit.c: Likewise.
478 * cpplex.c: Likewise.
479 * cpplib.c: Likewise.
480 * cppmacro.c: Likewise.
481 * cppspec.c: Likewise.
482 * c-pragma.c: Likewise.
483 * crtstuff.c: Likewise.
484 * cse.c: Likewise.
485 * cselib.c: Likewise.
486 * c-semantics.c: Likewise.
487 * c-typeck.c: Likewise.
489 2001-08-01 H.J. Lu <hjl@gnu.org>
491 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
493 2001-08-01 H.J. Lu <hjl@gnu.org>
495 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
497 2001-08-01 Ziemowit Laski <zlaski@apple.com>
499 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
500 contextualizing Objective-C class name lookup by the lexer.
501 (typespec_reserved_nonattr): Disable ObjC class name lookup after
502 seeing a TYPESPEC.
503 (protocoldef): Add support for forward @protocol declarations.
504 (yylexname): Suppress ObjC class name lookup in certain contexts;
505 re-enable after lookup is complete.
506 (_yylex): Re-enable ObjC class name lookup when certain
507 punctuation marks are seen.
509 * objc/objc-act.c (check_protocol_recursively): New function used
510 for finding circular dependencies in protocols.
511 (objc_declare_protocols): New function for handling forward
512 @protocol declarations.
513 (receiver_is_class_object): Detect the case when 'self' is used
514 inside of a class method.
515 (build_message_expr): Issue a warning if class method is desired
516 but instance method is found instead.
517 (conforms_to_protocol): Streamline.
518 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
519 protocol Foo, even if 'Bar foo' does not.
520 (check_protocols): Streamline.
521 (start_protocol): Add checks for circular and duplicate protocol
522 definitions.
523 (encode_aggregate_within): For typedefs of structs, encode the
524 underlying struct.
525 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
526 (objc_declare_protocols): New prototype.
528 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
530 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
531 * cpplex.c (handle_newline): Update prototype. Maintain logical
532 line number.
533 (skip_escaped_newlines, skip_block_comment, parse_string):
534 Update accordingly.
535 (_cpp_lex_token): Update, and store token position within the token.
536 * cpplib.h (struct cpp_token): Add line and column entries.
537 * cppmacro.c (replace_args): Position stringified tokens correctly.
539 2001-08-01 Andreas Jaeger <aj@suse.de>
541 * basic-block.h: Add prototype for last_loop_beg_note.
543 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
545 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
546 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
547 comment.
548 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
549 while handling WITH_CLEANUP_EXPR node. Use second operand calling
550 expand_decl_cleanup.
551 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
552 the first RTX.
553 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
554 operand while calling simple_cst_equal.
555 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
556 operand is the cleanup expression, the third is the RTL_EXPR.
557 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
559 2001-07-31 Jeff Sturm <jsturm@one-point.com>
561 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
563 2001-07-31 matthew green <mrg@eterna.com.au>
565 * config.gcc (i386-*-netbsdelf): New description.
566 * config/i386/netbsd-elf.h: New file.
568 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
570 * loop.c (check_dbra_loop): Use single_set to compute
571 jump_label.
573 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
575 PowerPC reorg and support for powerpc64-*-linux*.
577 Also fixes emitting of constants on 32 bit and 64 bit
578 platforms.
580 * config.gcc: powerpc64-*-linux* is a new target.
581 Things that needed aix.h now also include xcoff.h
583 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
584 xcoff.h.
585 Move AIX specific stuff into aix.h.
586 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
587 with more than just XCOFF now.
588 (SET_ASM_OP): Remove, now defined where needed.
589 (FUNCTION_PROLOGUE): New macro definition.
590 (FUNCTION_EPILOGUE): New macro definition.
591 (CONST_OK_FOR_LETTER_P): Change N to require that value is
592 positive, too.
593 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
595 * config/rs6000/xcoff.h: New file.
597 * config/rs6000/linux64.h: New file.
599 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
601 2001-07-31 Alan Modra <amodra@bigpond.net.au>
603 * rs6000.c (print_operand_address): Handle ELF syntax.
604 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
605 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
606 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
608 2001-07-31 David Edelsohn <edelsohn@gnu.org>
610 * rs6000.c (rs6000_override_options): Only disable
611 flag_function_sections for XCOFF.
612 (exact_log2_cint_operand): New predicate.
613 (reg_or_{add,sub}_cint64_operand): New predicates.
614 (add_operand): Compare CONST_INT with fewer function calls.
615 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
616 (print_operand, case 'p'): Ensure positive operand.
617 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
618 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
619 (PREDICATE_CODES): Add new predicates.
620 * rs6000.md (addsi3): Split 32-bit constants more correctly.
621 (divsi3, modsi3): Ensure positive power-of-2.
622 (adddi3): Use new predicate. Split 32-bit constants more
623 correctly. Re-arrange splitter to handle any constant.
624 (subdi3): Use new predicate.
625 (divdi3, moddi3): Ensure positive power-of-2.
626 (movdi): Use rs6000_emit_set_const.
627 (load_toc_v4_pic_di): Delete.
629 2001-07-31 Graham Stott <grahams@redhat.com>
631 * function.c (pad_below): Revert 2001-07-26 patch.
633 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
635 * reg-stack (convert_regs_1): Fix best edge condition.
637 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
639 * jump.c (duplicate_loop_exit_test): Better test for jumps
640 entering the loop; create loop pre_header.
642 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
644 * doc/install.texi: Add s390 and s390x as new targets.
645 * doc/invoke.texi: Add documantation of S/390 and zSeries
646 target options.
647 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
649 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
651 * config/m68k/m68k.md: Replace all general_operand with
652 nonimmediate_operand for all destinations.
653 * config/m68k/m68k.c (not_sp_operand): Likewise.
655 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
657 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
659 2001-07-30 Richard Henderson <rth@redhat.com>
661 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
662 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
664 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
666 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
667 Add missing doc strings
668 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
669 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
671 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
673 * i386.c (ix86_output_main_function_alignment_hack): New function.
674 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
676 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
677 edges by EDGE_DFS_BACK flag.
678 (dump_edge_info): Add dfs_back flag.
679 * basic-block.h (EDGE_DFS_BACK): New constant.
680 (mark_dfs_back_edges): Declare.
681 * alias.c (loop_p): Remove.
682 (mark_constant_function): Use mark_dfs_back_edges.
684 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
685 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
686 (compensate_edge): Break out from ...
687 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
688 (convert_regs_2): Set block_done once block is really done;
689 Do updating of the predecesors counts.
691 * toplev.c (rest_of_compilation): Recompute block_for_insn
692 before post-reload cfg_cleanup.
693 * function.c (thread_prologue_epilogue_insns):
694 Call set_block_for_new_insns when emitting prologue directly.
696 2001-07-30 Andreas Jaeger <aj@suse.de>
698 * jump.c: Add prototype for mark_modified_reg.
700 * cse.c (set_live_p): Add unused attribute.
702 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
703 overflow.
704 (scan_for_source_files): Use long for count to avoid overflow.
705 (output_data): Likewise.
706 (output_data): Don't use string concatatenation to silence gcc
707 -traditional.
709 * predict.c: Fix typos and grammar.
711 * gcse.c (insert_insn_end_bb): Remove unused variables.
713 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
715 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
716 (attempt_auto_inc): LIkewise.
717 (mark_used_reg): Likewise.
718 (try_pre_increment_1): Likewise.
719 * regclass.c (regclass): Likewise.
720 * global.c (allocno_compare): Update comment; change scaling factor.
721 * local-alloc.c (QTY_CMP_PRI): Likewise.
722 * regs.h (REG_FREQ_FROM_BB): New.
723 (REG_FREQ_MAX): Likewise.
725 2001-07-30 H.J. Lu <hjl@gnu.org>
727 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
728 -D_GNU_SOURCE.
730 2001-07-30 H.J. Lu (hjl@gnu.org)
732 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
733 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
734 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
736 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
738 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
739 as -mthumb-interwork when -mcpu=arm7 is specified.
741 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
743 * predict.def (noreturn, loop branch, loop exit): Mark as first
744 match heuristics.
746 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
748 * combine.c (try_combine): Avoid barrier after noop jumps.
750 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
752 * cpphash.h (struct cpp_reader): Remove import_warning.
753 * cpplib.c (skip_rest_of_line): Don't bother turning off
754 macro expansion.
755 (parse_include): Move include handling to...
756 (do_include_common): ... here. Move import warning from...
757 (do_import): ... here.
758 (do_pragma_poison): Don't do a callback for poison identifiers.
759 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
760 * cppmain.c (setup_callbacks): Similarly.
762 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
764 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
765 handle multiple sets.
766 * except.c (sjlj_mark_call_sites): .... here.
767 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
769 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
771 Suggested by Richard Henderson and Richard Kenner:
772 * combine.c (recog_for_combine): Use the fake recog
773 only if instruction does not match.
774 * rtl.h (NOOP_MOVE_INSN_CODE): New.
775 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
777 * combine.c (try_combine): Discover noop jump as direct jump.
779 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
781 * df.c (df_rd_global_compute): Add successors to worklist, not
782 current item.
783 (df_ru_global_compute): Ditto.
785 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
787 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
788 increment REG_N_SETS.
790 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
792 * sbitmap.h: New prototype for sbitmap_a_xor_b.
794 * sbitmap.c (sbitmap_a_xor_b): New function.
795 ifdef the basic block stuff on IN_GCC.
797 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
799 * cppexp.c (parse_defined): Always record the macro name.
800 (lex): Don't worry about identifiers, or special-case
801 CPP_NOT here.
802 (_cpp_parse_expr): Figure out at the end of the routine
803 whether we saw a valid !defined() expression.
804 * cppfiles.c (stack_include_file): Update for mi_valid.
805 (_cpp_pop_file_buffer): Similarly.
806 * cpplex.c (_cpp_lex_token): Similarly.
807 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
808 mi_if_not_defined, mi_lexed): Remove.
809 (mi_valid): New.
810 * cpplib.c (do_if): Simplify.
811 (do_endif, push_conditional, _cpp_handle_directive): Update
812 for renaming of mi_state to mi_valid.
813 doc:
814 * cpp.texi: Add index entries for digraphs, and add comment
815 that C++ refers to them as alternative tokens.
817 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
819 * basic-block.h (CLEANUP_PRE_LOOP): New.
820 * except.c (finish_eh_generation): Update call of cleanup_cfg.
821 * sibcall.c (optimize_sibling_calls): Likewise.
822 * toplev.c (rest_of_compilation): Likewise.
823 * flow.c (try_forward_edges): Take argument MODE;
824 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
825 (try_optimize_cfg): Update call of try_forward_edges.
827 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
828 Jan Hubicka <jh@suse.cz>
830 * (validate_replace_rtx_1): Fix simplification of MINUS.
832 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
834 PR preprocessor/3669
835 * cppinit.c (init_dependency_output): Turn off dump requests
836 if sending dependencies to stdout.
838 2001-07-28 Richard Henderson <rth@redhat.com>
840 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
841 not optimizing.
843 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
845 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
847 2001-07-28 Kazu Hirata <kazu@hxi.com>
849 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
850 is VAR_DECL first to prevent an ICE.
852 2001-07-28 Richard Henderson <rth@redhat.com>
854 * varasm.c (immed_real_const_1): Don't elide special cases for
855 nested functions.
856 (clear_const_double_mem): Clear const_tiny_rtx too.
858 2001-07-28 Richard Henderson <rth@redhat.com>
860 * dwarf2out.c (dw_val_class_offset): New.
861 (struct dw_ranges_struct, dw_ranges_ref): New.
862 (ranges_table, ranges_table_allocated): New.
863 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
864 (add_AT_offset, add_ranges, output_ranges): New.
865 (print_die, output_die): Handle dw_val_class_offset.
866 (attr_checksum, size_of_die, value_format): Likewise.
867 (gen_lexical_block_die): Handle non-contiguous blocks.
868 (gen_block_die): Likewise.
869 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
870 if needed. Dump the ranges table.
871 * final.c (final_start_function): Remove unnecessary notes and
872 rebuild the block tree before numbering the blocks.
873 * function.c (reorder_blocks_0): Walk the existing block tree
874 to unmark all blocks.
875 (reorder_blocks_1): Create block fragments when duplicate block
876 notes are seen.
877 (reorder_fix_fragments): New.
878 (reorder_blocks): Call it.
879 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
881 2001-07-28 Richard Henderson <rth@redhat.com>
883 * emit-rtl.c (adjust_address): Make a copy of the memory address.
885 2001-07-28 Richard Henderson <rth@redhat.com>
887 * flow.c (add_to_mem_set_list): New function.
888 (init_propagate_block_info): Use it.
889 (mark_set_1): Likewise.
890 (insn_dead_p): Canonicalize memory address for dead store
891 comparison. Allow wider mode stores to kill narrower mode stores.
892 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
893 (invalidate_mems_from_set): Don't handle MEMs.
895 2001-07-28 Kazu Hirata <kazu@hxi.com>
897 * config/h8300/h8300.h: Fix formatting.
899 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
901 * basic-block.h (EDGE_FREQUENCY): New macro.
902 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
903 for new BB/edges.
904 * flow.c (find_sub_basic_blocks): Likewise.
905 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
906 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
908 * predict.c (DEF_PREDICTOR): New argument FLAGS.
909 (HITRATE): New macro.
910 (PRED_FLAG_FIRST_MATCH): New constant.
911 (predictor_info): New field flgags.
912 (combine_predictions_for_insn): Use DS theory to combine
913 probabilities; set the edge probabilities when finished.
914 (estimate_probability): Avoid duplicated matches
915 of LOOP_BRANCH heuristics for nested loops; update comment.
916 * predict.def: Add flags for each prediction, set probabilities
917 according to B&L paper.
918 * predict.h (DEF_PREDICTOR): New argument FLAGS.
920 * profile.c (compute_branch_probabilities): Cleanup way the edge
921 probabilities are computed and REG_BR_PROB notes are dropped; if
922 values does not match, emit error.
923 (init_branch_prob): Do error instead of warning when profile driven
924 feedback is missing or corrupt.
926 2001-07-27 DJ Delorie <dj@redhat.com>
928 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
929 against a constant, try to adjust the compare to have the desired
930 constant in it so that min/max optimizations happen more often.
932 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
934 * flow.c (last_loop_beg_note): New function.
935 (redirect_edge_and_branch): Use it.
936 (split_edge): Likewise.
938 * alias.c (loop_p): Avoid uninitialized memory access.
940 * flow.c (try_forward_edges): Avoid accessing freed memory.
942 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
943 variable access.
945 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
947 * doc/install.texi (Configuration): Properly link the host
948 specific instructions also when generating HTML.
950 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
952 * flow.c (redirect_edge_and_branch_force): Test
953 target->global_live_at_start.
955 2001-07-26 Richard Henderson <rth@redhat.com>
957 * simplify-rtx.c (avoid_constant_pool_reference): Export.
958 * rtl.h (avoid_constant_pool_reference): Declare it.
959 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
960 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
962 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
964 * rtl.h (cleanup_barriers): Declare.
965 * jump.c (cleanup_barriers): New function.
966 * toplev.c (rest_of_compilation): Call cleanup_barriers
967 before loop optimizer and after bb_reorder.
969 * flow.c (back_edge_of_syntactic_loop_p): New.
970 (split_edge): Use it.
972 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
976 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
978 * cse.c (cse_process_notes): Replace any registers if the address
979 remains valid.
981 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
983 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
984 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
985 (propagate_block): Update prototype.
986 * flow.c (update_life_info): Simplify the CFG and
987 recalculate the global regs which are alive when
988 removing dead code during a global update.
989 (propagate_block): Return non-zero if an INSN is
990 deleted.
992 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
994 * Makefile.in (LIBICONV): Define.
996 2001-07-26 Catherine Moore <clm@redhat.com>
998 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
999 of conditional to avoid tree checking errors.
1001 2001-07-26 Kazu Hirata <kazu@hxi.com>
1003 * regmove.c (regmove_optimize): Don't replace a reg with
1004 another reg of a different mode.
1006 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1008 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1009 limit length of dependancy flush list.
1010 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1011 * sched-int.h (struct deps): Add pending_flush_length field.
1012 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1013 has 1 element in it.
1014 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1015 (sched_analyze): After a jump, if the pending memory flush list is too
1016 large, flush the pending lists.
1017 (init_deps): Initialize pending_flush_length to 0.
1018 * doc/invoke.texi (max_pending_list_length): Document parameter.
1020 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1022 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1023 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1024 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1026 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1028 * cpphash.h (struct_lexer_state): Delete was_skipping.
1029 Move skipping here from struct cpp_reader.
1030 * cpplex.c (parse_identifier): Update.
1031 (_cpp_lex_token): Don't skip tokens in a directive.
1032 * cpplib.c (struct if_stack): Update.
1033 (start_directive, end_directive): Don't change skipping state.
1034 (_cpp_handle_directive): Update.
1035 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1036 (do_else, do_endif): Update; only check for excess tokens if not
1037 in a skipped conditional block.
1038 (push_conditional): Update for new struct if_stack.
1040 2001-07-26 Graham Stott <grahams@redhat.com>
1042 * function.c (locate_and_pad_parm): Also pad initial offset
1043 so that the total argument size also includes the padding.
1045 2001-07-26 Graham Stott <grahams@redhat.com>
1047 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1048 change XSTR to XTMPL.
1050 (process_one_cond_exec): Likewise
1052 2001-07-25 Richard Henderson <rth@redhat.com>
1054 * varasm.c (assemble_variable): Create DECL_RTL before setting
1055 TREE_ASM_WRITTEN.
1057 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1059 * predict.c (estimate_probability): Avoid duplicated predictions.
1061 * loop.c (find_and_verify_loops): Grok multiple barriers.
1063 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1065 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1067 * dbxout.c: Consistently use putc instead of fputc.
1068 (print_wide_int): New function; call instead of direct fprintf.
1069 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1070 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1071 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1072 (print_int_cst_octal): Likewise.
1073 (print_octal): Show we wrote characters.
1074 (dbxout_type): Set have_used_extensions in more places.
1076 2001-07-25 Catherine Moore <clm@redhat.com>
1078 * config/v850/v850.c (v850_va_arg): Use addr
1079 instead of valist to build incr.
1081 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1083 * flow.c (delete_dead_jumptables): New function.
1084 (life_analyzis): Call it.
1085 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1086 sequences.
1088 2001-07-25 Richard Henderson <rth@redhat.com>
1090 * except.c (reachable_handlers): Handle a region being removed
1091 out from under a RESX.
1093 2001-07-25 Richard Henderson <rth@redhat.com>
1095 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1096 swap GE/GT if it is an fp comparison.
1098 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1100 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1101 operands.
1103 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1105 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1106 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1107 glitch.
1109 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1110 throw an exception.
1111 (visit_expression): When attempting to simplify an expression,
1112 retrieve any modes for arguments before they are simplified
1113 to constants.
1115 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1116 Janis Johnson <janis@us.ibm.com>
1118 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1119 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1120 pointer parameters to match documented usage of nonlocal_goto.
1121 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1122 parameters to their correct order.
1123 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1124 parameters to their correct order.
1126 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1128 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1130 2001-07-25 Jan Hubicka <jh@suse.cz>
1131 Richard Henderson <rth@redhat.com>
1133 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1134 the sequence.
1135 (make_edges): New argument update_p; populate the edge cache if set.
1136 (find_basic_blocks): Update make_edges invocation.
1138 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1140 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1142 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1144 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1145 -Acpu and -Amachine.h.
1146 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1147 Corrected header to say ELF not a.out.
1148 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1149 when given -msoft-float.
1151 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1153 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1154 extra multilib parts like arm-elf.
1155 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1156 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1157 crtfini.o as extra multilib parts.
1159 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1161 * configure.in: Add rtems as a supported thread model.
1162 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1163 * configure: Rebuilt.
1165 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1167 * stor-layout.c (get_mode_alignment): make it work when
1168 BITS_PER_UNIT is not a power of two.
1169 * builtins.c (get_pointer_alignment): Likewise.
1171 2001-07-24 Richard Henderson <rth@redhat.com>
1173 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1174 the retrieved constant into the expected mode.
1176 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1178 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1179 (verify_flow_info): Check for duplicated edges; clarify
1180 error reporting.
1182 * flow.c (block_label): Update basic_block_for_insn.
1183 (commit_edge_insertions): Call compute_bb_for_insn.
1185 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1186 returns too.
1188 * flow.c (redirect_edge_and_branch,
1189 try_optimize_cfg): Use redirect_edge_succ_nodup
1190 (redirect_edge_succ_nodup): New.
1191 * basic_block.h (redirect_edge_succ_nodup): Declare.
1193 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1194 after gcse.
1196 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1198 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1199 (try_crossjump_to_edge): Update commetns.
1200 (try_crossjump_bb): Likewise.
1202 2001-07-24 Richard Henderson <rth@redhat.com>
1204 * combine.c (distribute_notes): Move set of need_refresh
1205 for noop_move_p down to catch all cases.
1207 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1209 * recog.c (split_all_insns_noflow): New.
1210 * rtl.h (split_all_insns_noflow): Declare.
1211 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1212 * m68hc11.c (m68hc11_reorg): Likewise.
1213 * sh.c (machine_dependent_reorg): Likewise.
1214 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1215 call.
1217 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1219 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1220 (ashlsi3_n splitter): Likewise.
1221 (lshrsi3_n splitter): Likewise.
1223 (GOTaddr2picreg): Make const SImode.
1224 (sym_label2reg): Likewise.
1225 (symGOT2reg): Likewise.
1226 (symGOTOFF2reg) Likewise.
1228 (casesi_worker_0): Make unspec SImode.
1230 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1232 * config/sh/sh.c (barrier_align): Check that an operand really is
1233 an insn before extracting its INSN_CODE.
1235 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1237 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1238 dangling else.
1240 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1241 for SImode to prevent overflow.
1243 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1245 * config/mips/irix6-libc-compat.c: New file.
1246 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1247 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1248 passing workaround.
1250 2001-07-24 lars brinkhoff <lars@nocrew.org>
1252 * rtl.texi (REG_POINTER): Document.
1253 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1254 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1256 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1258 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1260 2001-07-23 Richard Henderson <rth@redhat.com>
1262 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1264 2001-07-23 Kazu Hirata <kazu@hxi.com>
1266 * config/h8300/h8300-protos.h: Add a prototype for
1267 general_operand_dst_push.
1268 * config/h8300/h8300.c (general_operand_dst_push): New.
1269 * config/h8300/h8300.h (OK_FOR_T): New.
1270 (EXTRA_CONSTRAINT): Use it.
1271 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1272 the existing movqi pattern.
1273 (movhi_push): Likewise.
1275 * reload.c: Fix comment typos.
1277 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1279 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1281 2001-07-23 H.J. Lu (hjl@gnu.org)
1283 * doc/extend.texi: Update __builtin_return_address and
1284 __builtin_frame_address.
1286 2001-07-23 Richard Henderson <rth@redhat.com>
1288 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1289 before CSE.
1290 * config/i386/i386.md: New setcc+movzbl peephole2.
1292 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1294 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1295 * objc/objc-act.c: Include debug.h.
1296 (synth_module_prologue): Save and restore debug hooks too.
1298 2001-07-23 lars brinkhoff <lars@nocrew.org>
1300 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1301 and C4X_FLOAT_FORMAT.
1302 (BOOL_TYPE_SIZE): Document.
1304 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1306 * unroll.c (loop_iterations): Fix miscalculation of initial
1307 giv offset.
1309 2001-07-13 Andrew Haley <aph@redhat.com>
1311 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1312 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1313 * config/sh/sh.c (sh_can_redirect_branch): New function.
1314 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1315 * reorg.c (steal_delay_list_from_target): Use
1316 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1318 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1320 * flow.c (try_simplify_condjump): Unlink insn chain on
1321 fallthru edge; use can_fallthru.
1323 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1325 * basic-block.h (find_sub_basic_block): Declare.
1326 * flow.c (make_edges): New arguments MIN and MAX;
1327 (find_sub_basic_blocks): Revamp to use make_edges
1328 and purge_dead_edges.
1329 (find_basic_blocks): Update call of find_sub_basic_block.
1331 * recog.c (split_all_insns): Always expect CFG to be consistent;
1332 call find_sub_basic_blocks in case something has changed.
1333 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1334 has been built.
1336 * basic-block.h (delete_noop_moves): Declare.
1337 * combine.c (combine_instructions): Call it.
1338 (recog_for_combine): Tolerate noop moves
1339 (distribute_notes): Force refresh when register dies at noop move.
1340 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1341 too.
1342 (life_analysis): Update delete_noop_moves call.
1343 (set_noop_p): Move too ...
1344 * rtlanal.c (noop_move_p): ... here.
1345 * rtl.h (noop_move_p): Declare.
1347 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1348 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1349 after combine.
1350 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1351 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1353 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1355 * reload.c (push_reload): Fix typo in comment.
1356 (find_reloads_address): Ditto.
1357 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1359 2001-07-22 Richard Henderson <rth@redhat.com>
1361 * flow.c: Grammar check and clarify a lot of comments.
1362 (try_simplify_condjump): Rename variables to be clearer.
1363 (try_forward_edges): Skip complex and fallthru edges.
1364 Rearrange tests to avoid duplicate checks.
1365 (flow_find_cross_jump): Likewise.
1366 (outgoing_edges_match): Allow match if neither branch has
1367 probability data. Loosen probability match to 5%.
1368 (try_crossjump_to_edge): Hoist repeated indirection into
1369 local variables.
1370 (try_crossjump_bb): Don't check complex edges. Eliminate
1371 redundant crossjump tests.
1372 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1373 checks before more expensive checks.
1375 2001-07-22 Richard Henderson <rth@redhat.com>
1377 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1378 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1379 arguments.
1381 2001-07-22 Richard Henderson <rth@redhat.com>
1383 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1384 (const_sint32_operand): Likewise.
1385 * m68k.md (anon mulsi pattern): Use const_int_operand not
1386 const_sint32_operand.
1387 (umulsi3_highpart): Zero extend a constant input.
1388 (smulsi3_highpart): Don't bother checking SImode constant.
1389 (const_umulsi3_highpart): Give op3 DImode.
1390 (const_smulsi3_highpart): Likewise.
1392 2001-07-22 Richard Henderson <rth@redhat.com>
1394 * flow.c (split_block): Make sure bb_note is included in the
1395 new block when splitting before a label.
1397 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1399 * basic-block.h (redirect_edge_and_branch_force,
1400 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1401 * flow.c (redirect_edge_and_branch_force,
1402 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1403 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1404 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1405 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1406 instead of label; update CFG after transformation.
1407 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1408 for finishing the transformation; handle even case where ELSE
1409 does not follow THEN.
1410 (find_if_case_2): Update call of dead_or_predictable; simplify
1411 CFG update.
1413 * emit-rtl.c (split_branch_probability): New global variable.
1414 (try_split): Take care to set split_branch_probability and
1415 create REG_BR_PROB note for new jump insns.
1416 * md.texi (define_split): Document new feature.
1418 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1420 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1422 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1423 (asm_out_file): Remove redundant declaration.
1424 (assemble_asm): Remove old #if 0 block.
1425 (assemble_variable): Remove end of function; debug output is
1426 now handled with global_decl. Remove old #if 0 block. Update.
1427 Remove saved_in_section and associated no-op code.
1428 * Makefile.in (varasm.o): Correct dependencies.
1430 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1432 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1433 the definition in defaults.h.
1435 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1437 * jump.c: Update comments.
1438 (delete_barrier_successors, delete_unreferenced_labels,
1439 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1440 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1441 jump_optimize, jump_optimize_minimal): Kill.
1442 (rebuild_jump_labels): Move code from jump_optimize_1.
1443 (purge_line_number_notes): Likewise.
1444 (copy_loop_headers): Likewise.
1445 * reg-stack.c: Update comment.
1446 * stmt.c: Likewise.
1447 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1448 JUMP_AFTER_REGSCAN): Kill.
1449 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1450 purge_line_number_notes and copy_loop_headers.
1452 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1453 Richard Henderson <rth@redhat.com>
1455 * dbxout.c (dbxout_global_decl): New.
1456 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1457 * sdbout.c (sdbout_finish): New.
1458 (sdbout_debug_hooks): Use it, add comments.
1459 (sdbout_global_decl): Defer initialised public vars to
1460 sdbout_finish.
1461 * varasm.c (assemble_variable): Don't output debug information
1462 for file-scope variables.
1464 2001-07-22 Richard Henderson <rth@redhat.com>
1466 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1467 (get_round_mode_suffix): New.
1468 (print_operand): Use them for [/]. Remove support for [&'`()+].
1469 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1470 * config/alpha/alpha.md (attr round_suffix): New.
1471 (attr trap_suffix): New.
1472 (all insns): Set them appropriately. Use %/ instead of the
1473 myriad punctuators.
1475 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1477 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1479 2001-07-22 Richard Henderson <rth@redhat.com>
1481 * regrename.c (regrename_optimize): Compute nregs for each
1482 potential target register.
1484 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1485 Richard Henderson <rth@redhat.com>
1487 * dbxout.c (dbxout_global_decl): New.
1488 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1489 * sdbout.c (sdbout_finish): New.
1490 (sdbout_debug_hooks): Use it, add comments.
1491 (sdbout_global_decl): Defer initialised public vars to
1492 sdbout_finish.
1493 * varasm.c (assemble_variable): Don't output debug information
1494 for file-scope variables.
1496 2001-07-21 H.J. Lu (hjl@gnu.org)
1498 * config/mips/mips.c (mips_cpu): Moved into ...
1499 (override_options): Here.
1501 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1502 mips_tune.
1503 (mips_cpu): Removed.
1505 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1507 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1508 ("iorqi3"): Likewise.
1509 ("xorqi3"): Likewise.
1510 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1511 ("*subhi3_sp): Likewise.
1512 ("*subhi3"): Likewise.
1513 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1514 reload problems.
1516 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1518 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1519 * config/freebsd.h: Likewise.
1520 * config/linux.h: Likewise.
1521 * config/openbsd.h: Likewise.
1522 * config/alpha/linux-elf.h: Likewise.
1523 * config/arm/linux-elf.h: Likewise.
1524 * config/d30v/d30v.h: Likewise.
1525 * config/fr30/fr30.h: Likewise.
1526 * config/ia64/aix.h: Likewise.
1527 * config/ia64/ia64.h: Likewise.
1528 * config/mips/linux.h: Likewise.
1529 * config/pj/pj.h: Likewise.
1530 * config/rs6000/linux.h: Likewise.
1531 * config/sparc/linux.h: Likewise.
1532 * config/sparc/linux64.h: Likewise.
1534 2001-07-20 Bruce Korb <bkorb@gnu.org>
1536 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1537 because getc() and char* may disagree on signedness.
1539 2001-07-20 Richard Henderson <rth@redhat.com>
1541 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1543 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1544 insns to delete in the presence of cc0 in a jump insn.
1546 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1547 Jan Hubicka <jh@suse.cz>
1549 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1550 of doing the change by hand.
1552 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1554 * rtlanal.c (set_noop_p): Return true for noop jumps.
1556 * expr.c (emit_single_push_insn): Add call to push expander.
1557 * expr.h (optab_index): Add OTI_push
1558 (push_optab): New constant.
1559 * genopinit.c (optabs): Add push_optab.
1560 * optabs.c (init_optab): Init push optab.
1561 * md.texi (push??1): Document
1563 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1565 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1566 expand to emit the pattern; put a REG_INC note for push/pop
1567 instructions.
1568 ("movdf", "movdf_internal"): Likewise.
1569 ("movsi", "movsi_internal"): Likewise.
1570 ("movsf", "movsf_internal"): Likewise.
1571 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1573 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1575 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1576 gen_highpart.
1578 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1580 * params.def: Change default max inline insns to 100.
1582 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1584 * combine.c (combine_simplify_rtx): Generate a new shift operation
1585 when simplifying the first operand of a (neg (ashift)) expression.
1587 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1589 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1591 2001-07-20 Kelley Cook <kelley.cook@home.com>
1593 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1594 information. Move rest into ...
1595 (*-*-solaris): ... here. Eliminate redundant information and
1596 reword necessary packages section. Delete 4.x assembler bug info.
1597 (sparc-sun-*): Merge into ...
1598 (sparc-sun-sunos*): here.
1600 2001-07-20 Catherine Moore <clm@redhat.com>
1602 * config/v850/v850.md (casesi): Generate LABEL_REF
1603 with Pmode.
1605 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1607 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1608 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1609 * i386.md (strclrsi expander): Use it.
1611 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1613 * integrate.c (copy_insn_list): handle
1614 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1615 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1616 identically as to CODE_LABEL.
1618 * fold-const (fold): Convert A/B/C to A/(B*C) and
1619 A/(B/C) to (A/B)*C
1621 * except.c (connect_post_landing_pads): Delete the RESX insns.
1623 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1625 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1627 * config/mips/mips.md (nmadd/nmsub): Use macro.
1629 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1631 * cppinit.c (remove_dup_dir): Make static.
1632 (remove_dup_dirs): Make static. Only warn about preempting a
1633 system directory with a non-system directory.
1635 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1637 * ifcvt.c (noce_try_store_flag_constants): Correct order
1638 of parameters to trunc_int_for_mode.
1640 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1642 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1643 an exception that will be caught within this function, do not fill
1644 its delay slot with any subsequent instruction.
1646 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1648 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1649 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1650 pointer extension instruction.
1651 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1652 * simplify-rtx.c (simplify_unary_operation) Likewise.
1653 * explow.c (convert_memory_address) Check value of
1654 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1655 less than zero.
1656 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1657 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1658 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1659 Add Multilib Support.
1660 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1661 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1662 Add Multilib Support.
1663 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1664 support.
1665 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1666 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1667 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1669 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1671 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1672 old and new operands in `<', `3' and `b'.
1674 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1676 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1677 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1678 (toplev.o): Don't depend on xcoffout.h.
1679 * c-decl.c: Include debug.h
1680 (duplicate_decls): Use debug hook.
1681 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1682 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1683 (dbxout_types): Remove.
1684 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1685 * debug.c (do_nothing_debug_hooks): Update.
1686 (debug_true_tree, debug_nothing_rtx): New.
1687 * debug.h (struct rtx_def): New.
1688 (struct gcc_debug_hooks): New hooks ignore_block,
1689 outlining_inline_function and label.
1690 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1691 dwarf2out_frame_finish): New.
1692 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1693 Make static, update prototype.
1694 (dwarf2_debug_hooks): Update.
1695 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1696 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1697 * dwarfout.c (dwarf_debug_hooks): Update.
1698 * emit-rtl.c: Include debug.h.
1699 (remove_unnecessary_notes): Use debug hook.
1700 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1701 (final_scan_insn): Use debug hook.
1702 * integrate.c (output_inline_function): Use debug hook.
1703 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1704 (sdb_debug_hooks): Update.
1705 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1706 * toplev.c: Don't include xcoffout.h.
1707 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1708 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1709 Remove.
1710 * tree.h (dwarf2out_do_frame): Remove.
1712 2001-07-19 Catherine Moore <clm@cygnus.com>
1714 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1716 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1718 * reload1.c (eliminate_regs_in_insn): When updating a set
1719 to the frame pointer to the hardware frame pointer, perform
1720 the update always not just when REPLACE is set.
1722 * reload1.c (choose_reload_regs): Don't inherit a reload
1723 that crosses multiple registers if registers past the first
1724 don't fit in the desired class.
1726 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1727 when negating constants.
1729 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1731 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1732 * doc/tree.texi: Ditto.
1734 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1735 Jakub Jelinek <jakub@redhat.com>
1737 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1738 (extract_cie_info): Handle "eh" augmentation properly,
1739 remember eh_ptr.
1740 (struct frame_state, __frame_state_for): New.
1742 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1744 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1745 HANDLE_SYSV_PRAGMA): Define.
1746 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1747 previous args.
1748 (copy_object): Caller changed.
1750 2001-07-19 Andreas Schwab <schwab@suse.de>
1752 * configure.in (assembler dwarf2 debug_line support): Define nop
1753 insn for m68k.
1754 * configure: Regenerated.
1756 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1758 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1759 dwarfout.h.
1760 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1761 to conditionally compiled block.
1762 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1763 * dbxout.h (dbxout_function): Remove.
1764 * debug.c (do_nothing_debug_hooks): Update.
1765 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1766 global_decl, deferred_inline_function.
1767 * dwarf2out.c (dwarf2_debug_hooks): Update.
1768 (dwarf2out_global_decl): New.
1769 * dwarfout.c: Don't include dwarfout.h.
1770 (dwarfout_global_decl, dwarfout_function_decl,
1771 dwarfout_deferred_inline_function): New.
1772 (dwarf_debug_hooks): Update.
1773 * dwarfout.h: Remove.
1774 * final.c: Don't include dwarfout.h.
1775 * sdbout.c (sdbout_global_decl): New.
1776 (sdbout_debug_hooks): Update.
1777 * toplev.c: Don't include dwarfout.h.
1778 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1779 (note_deferral_of_defined_inline_function): Remove.
1780 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1781 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1782 * ch/lex.c: Don't include dwarfout.h.
1783 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1784 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1785 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1786 * cp/optimize.c: Include debug.h.
1787 (maybe_clone_body): Use debug hook.
1788 * cp/semantics.c: Include debug.h.
1789 (expand_body): Use debug hook.
1790 * po/POTFILES.in: Remove dwarfout.h.
1792 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1794 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1795 * c-parse.in (yyerror, _yylex): Similarly.
1796 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1797 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1798 Update comments.
1799 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1800 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1802 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1804 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1805 in-class declaration at -g1. Fixes c++/2814.
1807 2001-07-18 Richard Henderson <rth@redhat.com>
1809 * doc/md.texi (reload_in/out): Document restrictions in predicates
1810 and constraints for these patterns. Document empty string matching
1811 ALL_REGS.
1813 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1815 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1817 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1819 * cse.c: Undo my previous patch.
1821 2001-07-18 Tom Tromey <tromey@redhat.com>
1823 For PR java/2812:
1824 * configure: Rebuilt.
1825 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1826 instead.
1827 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1829 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1830 Jan Hubicka <jh@suse.cz>
1832 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1833 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1834 * jump.c (mark_jump_label): Do not forward branches.
1836 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1838 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1839 when return value is unused.
1841 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1843 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1845 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1847 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1848 on error. We can't blindly return the result of
1849 pthread_mutex_trylock because it returns a positive number on
1850 error, while we must return -1 on error.
1851 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1852 fixes.
1853 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1855 2001-07-18 Andreas Jaeger <aj@suse.de>
1857 * integrate.c (output_inline_function): Correct type of debug_hooks.
1859 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1861 * combine.c (combine_simplify_rtx): DIV can be treated
1862 associatively for floats if unsafe math optimisations are enabled.
1864 2001-07-17 Richard Henderson <rth@redhat.com>
1866 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1868 2001-07-17 Richard Henderson <rth@redhat.com>
1870 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1871 don't force the function address into a register.
1872 (expand_call, emit_library_call_value_1): Update callers.
1873 * builtins.c (expand_builtin_apply): Likewise.
1874 * expr.h (prepare_call_address): Update decl.
1876 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1878 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1879 config directory.
1880 * config/i386/chorus.h: Move up.
1881 * config/sparc/chorus.h: Likewise.
1882 * config/rs6000/chorus.h: Likewise.
1883 * config/chorus.h: Moved here.
1885 2001-07-17 Andreas Schwab <schwab@suse.de>
1887 * configure.in (assembler eh_frame optimization): Handle big
1888 endian.
1889 * configure: Regenerated.
1891 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1893 * expr.c (epxand_expr): Convert divisions into multiplications by
1894 reciprocals if -ffast-math.
1896 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1898 * dbxout.c (dbxout_really_begin_function): Rename to
1899 dbxout_begin_function.
1900 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1901 (dbxout_begin_function): Remove.
1902 (dbxout_function): Update.
1903 (dbxout_source_line): Update prototype.
1904 * dbxout.h (dbxout_begin_function): Remove.
1905 * debug.c (do_nothing_debug_hooks): Update.
1906 (debug_nothing_tree): Update.
1907 (debug_nothing_charstar_rtx): Remove.
1908 * debug.h (union tree_node): Declare.
1909 (struct rtx_def): Remove.
1910 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1911 begin_function. Change source_line prototype.
1912 (debug_nothing_tree): New.
1913 (debug_nothing_charstar_rtx): Delete.
1914 (dwarf2out_begin_prologue): Moved from ...
1915 * tree.h: ... here.
1916 * dwarf2out.c (dwarf2_debug_hooks): Update.
1917 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1918 debug info, call dwarf2out_source_line.
1919 (dwarf2out_souce_line): Update prototype.
1920 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1921 Change prototype, make static.
1922 (dwarfout_source_line): Update prototype.
1923 (dwarf_debug_hooks): Update.
1924 * dwarfout.h (dwarfout_begin_function): Remove.
1925 * final.c (final_start_function, final_scan_insn): Use appropriate
1926 debug hooks, update to use notice_source_line.
1927 (output_source_line): Rename notice_source_line. Don't call the
1928 source_line debug hook.
1929 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1930 make static, update prototype.
1931 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1932 prototype.
1933 (sdbout_end_prologue): New.
1934 (sdbout_source_line): Update prototype.
1935 (sdbout_debug_hooks): Update.
1936 (sdbout_symbol): Remove unused var.
1937 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1938 Delete.
1939 * varasm.c: Include debug.h.
1940 (assemble_start_function): Use begin_function debug_hook.
1941 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1942 update with prototype.
1943 (xcoffout_source_line): Update prototype.
1944 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1945 update prototype.
1946 (xcoffout_source_line): Update prototype.
1948 2001-07-17 Richard Henderson <rth@redhat.com>
1950 * c-typeck.c (build_binary_op): Do not shorten unsigned
1951 right shift after sign extension.
1953 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1955 * combine.c (combine_simplify_rtx): Attempt to simplify
1956 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1958 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1959 (simplify_binary_operation, simplify_unary_operation,
1960 simplify_relational_operation): Use it.
1962 * combine.c (combine_simplify_rtx): Don't do associative law
1963 on divisions; allow associative law on floats.
1965 2001-07-17 H.J. Lu <hjl@gnu.org>
1966 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1968 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1969 ASM_OUTPUT_WEAK_ALIAS are defined.
1970 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1971 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1972 Moved ...
1973 * config/mips/iris5.h: ... here.
1974 (HANDLE_SYSV_PRAGMA): Defined as 1.
1975 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1976 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1977 symbol.
1979 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1981 * c-parse.in (all_prefix_attributes): New variable.
1982 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1983 (maybe_resetattrs): New production.
1984 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1985 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1986 notype_initdcl, nested_function, notype_nested_function,
1987 component_decl, components, components_notype,
1988 component_declarator, component_notype_declarator,
1989 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1990 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1991 after a comma being applied to more than one declarator.
1992 * doc/extend.texi (Attribute Syntax): Update. Remove
1993 documentation of bugs that are no longer present.
1995 2001-07-13 Eric Christopher <echristo@redhat.com>
1997 * config/mips/mips.h: Change TUNE_MIPS* options to use
1998 mips_tune.
1999 (EXTRA_SPECS): Add cc1_cpu_spec.
2000 * config/mips/mips.md (muldf3): Fix typo.
2002 2001-07-16 Richard Henderson <rth@redhat.com>
2004 * config/m68k/m68k.c: Include expr.h and reload.h.
2005 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2006 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2008 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2009 Richard Henderson <rth@redhat.com>
2011 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2012 (insn_live_p): Fix fall off end of function.
2013 (dead_libcall_p): Remove COUNTS argument; update callers.
2014 (delete_trivially_dead_insns): Remove unused variables.
2016 2001-07-17 Andreas Jaeger <aj@suse.de>
2018 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2019 x86-64 pic support.
2021 * lcm.c (optimize_mode_switching): Avoid warning for unused
2022 variable if !NORMAL_MODE.
2024 * flow.c (try_crossjump_to_edge): Remove unused variable.
2026 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2028 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2029 atexit declaration in stdlib.h.
2031 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2033 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2035 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2037 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2038 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2039 do rebuild_jump_labels instead of jump_optimize
2040 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2041 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2042 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2044 * flow.c: Include timevar.h
2045 (find_basic_block): Push/pop timevar;
2046 (cleanup_cfg): Likewise.
2047 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2048 * Makefile: Add dependencies on timevar.h
2050 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2051 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2053 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2054 * toplev.c (rest_of_compilation): Update calls.
2055 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2056 (delete_trivially_dead_insns): ... here; accept new argument
2057 preserve_basic_blocks; preserve basic blocks if set.
2059 * reg-stack.c (stack_regs_mentioned): Return 0 if
2060 stack_regs_mentioned_data is not initialized.
2061 (reg_to_stack): Make stack_regs_mentioned survive after the
2062 reg-stack is completted; do not call cleanup_cfg.
2063 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2064 make cleanup_cfg after bb-reorder to output to debug file.
2066 2001-07-16 Richard Henderson <rth@redhat.com>
2068 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2069 from int_reg_class_contents.
2071 2001-07-16 Richard Henderson <rth@redhat.com>
2073 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2074 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2075 (init_reg_sets_1): Move initialization from cse_main.
2076 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2077 (cse_main): Move its initialization also.
2078 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2079 * flow.c (propagate_one_insn): Likewise.
2080 * gcse.c (compute_hash_table): Likewise.
2081 (compute_kill_rd, compute_store_table): Likewise.
2082 * sched-deps.c (sched_analyze_1): Likewise.
2084 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2086 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2087 gen_rtx_SET.
2089 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2091 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2092 in if statement so we don't access undefined memory.
2094 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2096 * gcse.c: Update comment at top.
2097 Update comment on mem handling.
2098 mem_last_set, mem_first_set, mem_set_in_block: gone.
2099 Declaration of reg_set_info: gone.
2100 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2101 pointless with load_killed_in_block_p (they are *more*
2102 conservative then it, not less, and less accurate).
2103 (oprs_not_set_p): Ditto.
2104 (alloc_gcse_mem): Don't allocate mem_set_in_block
2105 (free_gcse_mem): Don't free it, either.
2106 (record_last_mem_set_info): Update comment in front, remove
2107 mem_*set_* stuff. Note the reason we don't handle stores directly
2108 here.
2109 (compute_hash_table): Update comments to reflect reality. Remove
2110 mem_*set_* references.
2111 (reset_opr_set_tables): Remove mem_*set_* references.
2112 (mark_call): Ditto.
2113 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2114 (mark_clobber): Ditto (on both parts, we double set here too).
2115 (expr_killed_p): Remove mem_set_in_block test.
2116 (compute_transp): Remove mem_set_in_block test.
2118 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2119 of edge, and removal of phi alternative to dump file.
2120 (ssa_ccp_substitute_constants): Add note about register now being
2121 constant, and which uses were replaced in what insns to dump file.
2123 2001-07-16 Andreas Jaeger <aj@suse.de>
2125 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2126 variables of type HOST_WIDEST_INT.
2128 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2129 (__bb_exit_func): Correct type of count_max to avoid overflow.
2130 (num_digits): Handle long long argument.
2132 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2134 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2136 * output.h (sdb_begin_function_line): Restore as an extern
2137 variable.
2138 * sdbout.c (sdb_begin_function_line): Make extern.
2140 2001-07-15 Richard Henderson <rth@redhat.com>
2142 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2143 * genrecog.c (maybe_both_true_mode): New.
2144 (maybe_both_true_2): Use it.
2145 (write_switch): Don't put Pmode in a switch.
2146 * rtl.c (mode arrays): Don't explicitly size them.
2148 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2150 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2151 handling; move unconditional splitting before mode switching.
2153 * i386.md (type): Add fistp type.
2154 (i387, length_attr, scheduling definitions): Handle this type.
2155 (fix_trunc?f?i2): Revamp to use mode switching.
2156 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2157 * i386.h (fp_cw_mode): New enum
2158 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2159 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2161 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * Makefile.in (integrate.o): Add debug.h.
2164 * integrate.c (debug.h): Add.
2165 (output_inline_function): Save, reset, and restore debug_hooks.
2167 2001-07-15 Richard Henderson <rth@redhat.com>
2169 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2170 instead of COMPARE for the EQUIV expression.
2172 2001-07-15 Richard Henderson <rth@redhat.com>
2174 * flow.c (redirect_edge_and_branch_force): Initialize
2175 global_live_at_start and global_live_at_end.
2176 (allocate_bb_life_data): Export.
2177 * basic-block.h (allocate_bb_life_data): Declare.
2178 * toplev.c (rest_of_compilation): Call it.
2180 2001-07-15 Richard Henderson <rth@redhat.com>
2182 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2183 (alpha_tablejump_best_label): New.
2184 * config/alpha/alpha-protos.h: Declare them.
2185 * config/alpha/alpha.md: Use braced strings for code blocks.
2186 (tablejump_osf): Break out add with r29.
2187 (tablejump_osf_internal): Remove.
2188 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2189 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2191 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2193 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2194 of the movable.
2196 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2198 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2199 (ix86_fp_jump_nontrivial_p): New.
2200 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2201 use ix86_fp_jump_nontrivial_p.
2202 * i386.c (ix86_fp_jump_nontrivial_p): New.
2203 (ix86_split_fp_branch): Accept code instead of rtx.
2204 (ix86_expand_compare): Expand comparison early in case
2205 doing so is resonably cheap.
2207 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2209 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2210 not 'machine'.
2211 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2212 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2214 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2216 * dbxout.c (dbxout_source_line): Make static, update prototype.
2217 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2218 (dbxout_init, dbxout_finish, dbxout_source_line,
2219 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2220 * dbxout.h (dbxout_source_line): Delete.
2221 * debug.c (debug_nothing_file, debug_nothing_file_int,
2222 debug_nothing_file_charstar_rtx): New.
2223 (do_nothing_debug_hooks): Update.
2224 (debug_nothing_void, debug_nothing_charstar_rtx,
2225 dwarf2out_end_epilogue): New.
2226 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2227 * debug.h (struct rtx_def): Declare.
2228 (gcc_debug_hooks): New hooks source_line, end_epilogue
2229 and end_function.
2230 (debug_nothing_void, debug_nothing_charstar_rtx,
2231 dwarf2out_end_epilogue): New.
2232 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2233 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2234 (dwarf2_debug_hooks): Update.
2235 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2236 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2237 * dwarf2out.h (dwarf2out_source_line): Remove.
2238 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2239 Make static, update prototype.
2240 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2241 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2242 (dwarf_debug_hooks): Update.
2243 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2244 dwarfout_end_function): Remove.
2245 * final.c (profile_function): Use debug hooks for ending functions
2246 and epilogues.
2247 (output_source_line, final_end_function): Update prototype,
2248 use debug hooks.
2249 (final_start_function, final_scan_insn): Update.
2250 * output.h (sdb_begin_function_line): Remove.
2251 (final_end_function): Update prototype.
2252 * sdbout.c (sdb_begin_function_line): Make static.
2253 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2254 (sdbout_source_line): New.
2255 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2256 prototypes.
2257 (sdb_debug_hooks): Update.
2258 (sdbout_init, sdbout_source_line,
2259 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2260 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2261 * toplev.c (compile_file, rest_of_compilation): Update.
2262 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2263 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2264 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2265 Update for prototype changes.
2266 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2267 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2269 2001-07-15 Richard Henderson <rth@redhat.com>
2271 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2272 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2273 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2274 * config/alpha/alpha.c: Likewise.
2275 * config/alpha/alpha.md: Likewise.
2276 * config/alpha/alpha32.h: Likewise.
2277 * config/alpha/vms.h: Likewise.
2278 (OPEN_VMS): Remove.
2280 2001-07-14 Richard Henderson <rth@redhat.com>
2282 * config/alpha/alpha.md: Use define_constants for unspec values.
2283 Substitute throughout.
2285 2001-07-14 Tim Josling <tej@melbpc.org.au>
2287 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2289 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2291 * pa.md: Remove unused constraints from define_split's.
2293 2001-04-14 Richard Henderson <rth@redhat.com>
2295 * ifcvt.c (find_cond_trap): Test for exit block.
2297 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2299 Re-install recently reverted patch.
2300 * emit-rtl.c (try_split): Update mark_jump_label call.
2301 * flow.c (find_sub_basic_blocks): Likewise.
2302 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2303 jump_back_p): Kill.
2304 (mark_all_labels): Kill second parameter.
2305 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2306 (rebuild_jump_labels, jump_optimize_minimal): Update call
2307 of jump_optimize_1.
2308 (jump_optimize_1): Kill crossjumping code.
2309 (mark_jump_label): Kill cross_jump parameter.
2310 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2311 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2312 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2313 splitting.
2314 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2315 DFI_bpro.
2316 (dump_file_info): Likewise.
2317 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2318 reorganize passes to do reg-stack first, bb-reorder second.
2319 * invoke.texi (-d letters doc): Remove the jump2 pass.
2321 2001-07-14 Richard Henderson <rth@redhat.com>
2323 * ifcvt.c (find_cond_trap): New.
2324 (find_if_header): Call it.
2325 (merge_if_block): Relax existing jump sanity check.
2326 * jump.c (jump_optimize_1): Remove conditional trap handling.
2328 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2330 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2331 millicode.
2332 (insn_refs_are_delayed): Correct comment.
2333 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2334 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2335 instead of r31. Make associated insn !TARGET_64BIT, and
2336 provide an additional 64-bit insn that clobbers r2.
2337 (divsi3): Likewise.
2338 (udivsi3): Likewise.
2339 (modsi3): Likewise.
2340 (umodsi3): Likewise.
2342 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2344 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2346 * flow.c (redirect_edge_and_branch_force, split_edge,
2347 try_crossjump_to_edge): Use set_block_for_new_insns.
2348 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2350 2001-07-13 H.J. Lu (hjl@gnu.org)
2352 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2353 the correct patch.
2355 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2357 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2359 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2361 * c-common.c (decl_attributes): Take a pointer to the node to
2362 which attributes are to be attached, and a flags argument.
2363 * c-common.h (enum attribute_flags): New.
2364 (decl_attributes): Update prototype.
2365 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2366 finish_enum, start_function): Update calls to decl_attributes.
2367 * c-parse.in (component_declarator, component_notype_declarator,
2368 label): Update calls to decl_attributes.
2370 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2372 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2373 * config/avr/avr.c (legitimate_address_p): Return value changed
2374 from letter to register classes. For better debugging.
2376 2001-07-13 Kazu Hirata <kazu@hxi.com>
2378 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2380 2001-07-13 H.J. Lu (hjl@gnu.org)
2382 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2384 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2386 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2387 correctly for shared configurations.
2388 * config/t-libgcc-pic: New.
2389 * config/{i386,m68k,sparc}/t-openbsd: New.
2390 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2391 Support -shared. Support debugging libraries with -g.
2392 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2393 frame information does not emit pointer diffs.
2394 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2395 emit pointer diffs.
2397 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2399 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2401 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2403 * combine.c (try_combine): Ensure const_int pow2 is positive.
2405 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2407 * config.gcc: Add configuration for s/390.
2408 * config/s390/s390.c: New. Subroutines for code generation.
2409 * config/s390/s390.h: New. Definitions for s/390.
2410 * config/s390/s390-protos.h: New. Prototypes.
2411 * config/s390/linux.h: New. Definitions for linux for s/390.
2412 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2413 * config/s390/t-linux: New. Makefile fragment.
2414 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2415 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2417 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2419 * emit-rtl.c (try_split): Update mark_jump_label call.
2420 * flow.c (find_sub_basic_blocks): Likewise.
2421 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2422 jump_back_p): Kill.
2423 (mark_all_labels): Kill second parameter.
2424 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2425 (rebuild_jump_labels, jump_optimize_minimal): Update call
2426 of jump_optimize_1.
2427 (jump_optimize_1): Kill crossjumping code.
2428 (mark_jump_label): Kill cross_jump parameter.
2429 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2430 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2431 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2432 splitting.
2433 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2434 DFI_bpro.
2435 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2436 reorganize passes to do reg-stack first, bb-reorder second.
2437 * invoke.texi (-d letters doc): Remove the jump2 pass.
2439 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2441 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2443 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2445 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2446 basic blocks.
2447 (verify_flow_info): Make diagnostics prettier.
2449 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2451 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2453 * flow.c (outgoing_edges_match): Return early if condition reversal
2454 failed.
2456 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2458 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2459 (mips_move_2words): When splitting a move into two instructions,
2460 prefix the second address operand with '%D'.
2462 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2464 * Makefile.in (final.o): Depend on debug.h.
2465 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2466 (dbx_debug_hooks): Add new hooks.
2467 (xcoff_debug_hooks): New.
2468 * debug.c (debug_nothing_file_int_int): New.
2469 (do_nothing_debug_hooks): Update.
2470 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2471 (debug_nothing_file_int_int): New.
2472 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2473 static, update prototype.
2474 (dwarf2_debug_hooks): Update.
2475 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2476 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2477 static, update prototype.
2478 (dwarf_debug_hooks): Update.
2479 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2480 * final.c: Include debug.h.
2481 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2482 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2483 static, update prototype.
2484 (sdb_debug_hooks): Update.
2485 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2486 * toplev.c: Distinguish between xcoff and dbx.
2488 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2489 Call all debug hooks, not just dwarf ones.
2491 2001-07-11 Timothy Wall <twall@redhat.com>
2493 * config.gcc: Add configuration for AIX5/IA64.
2494 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2495 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2496 support prefix/suffix code.
2497 * config/ia64/t-aix: New. Makefile fragment.
2498 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2500 2001-07-11 Kazu Hirata <kazu@hxi.com>
2502 * recog.c (validate_change): Fix a comment typo.
2504 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2506 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2507 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2508 hooks directly.
2509 * dbxout.c (dbx_debug_hooks): Add new hooks.
2510 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2511 make static.
2512 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2513 make static.
2514 * dbxout.h (dbxout_start_new_source_file,
2515 dbxout_resume_previous_source_file): Delete.
2516 * debug.c (do_nothing_debug_hooks): Add new hooks.
2517 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2518 (debug_nothing_int_charstar, debug_nothing_int): New.
2519 * debug.h (gcc_debug_hooks): New hooks define, undef,
2520 start_source_file and end_source_file.
2521 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2522 (debug_nothing_int_charstar, debug_nothing_int): New.
2523 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2524 the conditionally compiled section.
2525 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2526 dwarf2out_define, dwarf2out_undef): Make static.
2527 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2528 dwarf2out_define, dwarf2out_undef): Remove.
2529 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2530 (dwarfout_start_source_file, dwarfout_end_source_file,
2531 dwarfout_define, dwarfout_undef): Make static.
2532 (dwarfout_start_source_file_check,
2533 dwarfout_end_source_file_check): New.
2534 (dwarfout_define, dwarfout_finish): Update.
2535 * dwarfout.h (dwarfout_start_new_source_file,
2536 dwarfout_resume_previous_source_file, dwarfout_define,
2537 dwarfout_undef): Remove.
2538 * sdbout.c (sdb_debug_hooks): Add new hooks.
2539 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2540 make static.
2541 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2542 make static, take an arg.
2543 * sdbout.h (sdbout_start_new_source_file,
2544 sdbout_resume_previous_source_file): Delete.
2545 * toplev.c (debug_start_source_file, debug_end_source_file,
2546 debug_define, debug_undef): Delete.
2547 * toplev.h (debug_start_source_file, debug_end_source_file,
2548 debug_define, debug_undef): Delete.
2550 * java/jcf-parse.c: Include debug.h.
2551 (parse_class_file): Update to use debug hooks directly.
2552 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2554 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2556 * alias.c (set_mem_alias_set): New function.
2557 * rtl.h (set_mem_alias_set): Declare it.
2558 * builtins.c (expand_builtin_return_addr): Call it instead of
2559 using MEM_ALIAS_SET accessor.
2560 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2561 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2562 (expand_builtin_va_copy):Likewise.
2563 * caller-save.c (setup_save_areas): Likewise.
2564 * calls.c (compute_argument_addresses): Likewise.
2565 * explow.c (set_mem_attributes): Likewise.
2566 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2567 (expand_assignment, store_constructor_field, store_field): Likewise.
2568 (expand_expr_unaligned): Likewise.
2569 * function.c (assign_stack_temp_for_type): Likewise.
2570 (put_reg_into_stack, gen_mem_addressof): Likewise.
2571 * ifcvt.c (noce_try_cmove_arith): Likewise.
2572 * reload1.c (reload, alter_reg): Likewise.
2573 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2574 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2575 (alpha_expand_unaligned_store): Likewise
2576 (alpha_expand_unaligned_load_words): Likewise.
2577 (alpha_expand_unaligned_store_words): Likewise.
2578 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2579 (alpha_expand_epilogue): Likewise.
2580 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2581 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2582 * config/i386/i386.c (legitimize_pic_address): Likewise.
2583 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2584 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2585 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2586 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2587 * config/mips/mips.c (mips_va_arg): Likewise.
2588 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2589 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2590 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2591 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2592 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2593 (rs6000_emit_epilogue): Likewise.
2594 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2595 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2596 * config/v850/v850.c (v850_va_arg): Likewise.
2598 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2600 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2601 when fallthru edge is present.
2602 (mege_blocks): Handle case where creation of jump insn
2603 is required.
2605 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2606 CLEANUP_POST_REGSTACK): New constants.
2607 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2608 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2609 * output.h (cleanup_cfg): Update prototype.
2610 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2611 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2612 cleanup_cfg call; kill missleading comment.
2613 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2614 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2615 parameter; control optimizations performed using it.
2616 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2617 try_crossjump_bb): New functions.
2619 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2621 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2622 extern.
2623 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2624 pa_output_function_prologue.
2625 * pa-protos.h (pa_output_function_prologue): New prototype.
2627 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2629 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2630 and low to get correct sign extension in low+high test.
2632 2001-07-11 Janis Johnson <janis@us.ibm.com>
2634 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2635 for large hit count.
2637 * profile.c (branch_prob): Fix .bbg info for computed gotos
2638 and C++ EH code.
2640 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2642 * stmt.c (parse_output_constraint): New function, split out
2643 from ...
2644 (expand_asm_operands): ... here. Use parse_output_constraint.
2645 * tree.h (parse_output_constraint): Declare it.
2647 2001-07-11 Richard Henderson <rth@redhat.com>
2649 * bitmap.c: Comment some functions; fiddle whitespace.
2650 (bitmap_free): Don't export.
2651 (bitmap_element_allocate): Use memset.
2652 * bitmap.h (bitmap_free): Don't declare.
2654 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2656 * gcse.c, lcm.c, sched-deps.c:
2657 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2659 * flow.c (flow_loops_find): Free dom if we found no loops, since
2660 we aren't going to save it.
2662 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2663 done.
2665 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2667 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2669 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2671 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2672 #ifndef DWARF2_DEBUGGING_INFO.
2674 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2676 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2678 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2680 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2681 reverse a branch if a NE comparison is implemented with GTU.
2683 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2684 H.J. Lu <hjl@gnu.org>
2686 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2687 constant addresses.
2688 (call_internal2): Likewise.
2689 (call_value_internal1): Likewise.
2690 (call_value_internal2): Likewise.
2691 (call_value_multiple_internal1): Likewise.
2692 (call_value_multiple_internal2): Likewise.
2694 2001-07-10 Kazu Hirata <kazu@hxi.com>
2696 * calls.c (emit_library_call_value_1): Fix a comment typo.
2697 * dwarf2out.c (mem_loc_descriptor): Likewise.
2698 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2700 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2702 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2704 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2706 * recog.c (offsettable_address_p): Handle LO_SUM case.
2707 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2708 instead of plus_constant.
2710 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2712 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2713 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2715 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2717 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2718 adjust_address_nv instead of plus_constant.
2720 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2722 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2723 dwarf2out.o): Depend on debug.h, wrap long lines.
2724 * dbxout.c: Include debug.h.
2725 (dbx_debug_hooks): New.
2726 (dbxout_init): Make static, take just 2 args.
2727 (dbxout_finish): Make static.
2728 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2729 * debug.c: New file.
2730 * debug.h: New file.
2731 * dwarf2out.c: Include debug.h.
2732 (dwarf2_debug_hooks): New.
2733 (dwarf2out_init): Make static.
2734 (dwarf2out_finish): Make static, take 2 args.
2735 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2736 * dwarfout.c: Include debug.h.
2737 (dwarf_debug_hooks): New.
2738 (dwarfout_init): Make static.
2739 (dwarfout_finish): Make static, take 2 args.
2740 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2741 * sdbout.c: Include debug.h.
2742 (sdb_debug_hooks): New.
2743 (sdbout_init): Make static, take 2 args.
2744 * sdbout.h (sdbout_init): Delete.
2745 * toplev.c: Include debug.h.
2746 (debug_hooks): New.
2747 (compile_file): Set deubg_hooks based on command line options.
2748 Use the hooks unconditionally rather than conditional compilation.
2750 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2752 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2753 first_insn_after_basic_block_note instead.
2755 * df.c (df_bb_refs_unlink): #if 0 out for now.
2757 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2759 * ssa.h: Add prototype for ssa_const_prop
2760 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2761 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2762 (ssa_fast_dce): Remove unused variable
2764 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2766 * diagnostic.c (finish_diagnostic): Rename to
2767 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2768 calls thourghout.
2770 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2772 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2773 .loc support.
2775 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2776 (dump_file): Only pad the demangled name with spaces if the
2777 mangled name was padded with spaces.
2779 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2781 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2782 edge detection.
2784 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2786 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2787 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2788 EXPAND_INITIALIZER.
2790 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2791 whether can put offset inside LO_SUM to check mode alignment, not size.
2793 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2795 * doc/tm.texi (Misc): Fix thinko.
2797 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2799 * regmove.c (replace_in_call_usage): Fix warnings.
2800 * sched-deps.c (add_dependence): Fix warnings.
2801 * simplify-rtx.c (simplify_subreg): Likewise.
2802 Return NULL_RTX instead of NULL.
2804 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2805 (subst_asm_stack_regs): Likewise.
2807 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2808 warnings.
2810 * dwarf2out.c (output_call_frame_info): Declare i as int.
2811 (build_abbrev_table): Declare n_alloc as int.
2812 (dwarf2out_finish): Initialize die.
2813 * except.c: Declare sjlj_funcdef_number as unsigned.
2814 (connect_post_landing_pads): Declare j as unsigned.
2815 (convert_to_eh_region_ranges): Initialize call_site.
2816 (output_function_exception_table): Initialize tt_format_size.
2817 * expr.c (move_by_pieces_1): Initialize to1.
2818 (store_constructor): Initialize minelt and maxelt.
2819 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2820 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2822 * c-decl.c (combine_parm_decls): Unused, remove.
2823 * c-tree.h: Remove prototype for combine_parm_decls.
2825 * reload.c (push_reload): Fix warning.
2826 (regno_clobbered_p): Likewise.
2827 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2828 (reload_combine): Likewise.
2830 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2831 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2832 warnings.
2833 * bitmap.c (bitmap_operation): Change user.
2834 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2836 2001-07-10 Eric Christopher <echristo@redhat.com>
2838 * config/mips/mips.c (override_options): Fix typo.
2840 2001-07-09 Stan Shebs <shebs@apple.com>
2842 * target.h (struct gcc_target): New fields init_builtins and
2843 expand_builtin.
2844 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2845 (TARGET_EXPAND_BUILTIN): New macro.
2846 (TARGET_INITIALIZER): Add them.
2847 * builtins.c: Include target.h.
2848 (expand_builtin): Use targetm.expand_builtin.
2849 (default_init_builtins): New function.
2850 (default_expand_builtin): New function.
2851 * expr.h (default_init_builtins): Declare.
2852 (default_expand_builtin): Declare.
2853 * c-common.c (c_common_nodes_and_builtins): Use
2854 targetm.init_builtins.
2855 * defaults.h (MD_INIT_BUILTINS): Remove.
2856 * Makefile.in (builtins.o): Depend on target.h.
2858 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2859 (TARGET_EXPAND_BUILTIN): Define.
2860 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2861 (MD_EXPAND_BUILTIN): Remove.
2863 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2864 (TARGET_EXPAND_BUILTIN): Define.
2865 (c4x_init_builtins): Make endlink arg a local.
2866 (c4x_print_operand): Fix typos in adjust_address usages.
2867 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2868 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2869 (MD_EXPAND_BUILTIN): Remove.
2871 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2872 (TARGET_EXPAND_BUILTIN): Define.
2873 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2874 (ix86_init_builtins): Call new function only if TARGET_MMX.
2875 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2876 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2877 (MD_EXPAND_BUILTIN): Remove.
2879 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2880 (TARGET_EXPAND_BUILTIN): Define.
2881 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2882 (MD_EXPAND_BUILTIN): Remove.
2884 * doc/tm.texi: Document these changes.
2886 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2888 * basic-block.h (tree_node): Forward declare if needed.
2889 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2890 (BLOCK_HEAD_TREE): Define.
2891 (BLOCK_END_TREE): Define.
2892 (struct loops): Rename field 'tree' to 'tree_root'.
2893 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2894 'end_tree'.
2895 (flow_loops_tree_build): Rename reference to field 'tree' to
2896 'tree_root'.
2897 (flow_loops_level_compute): Ditto.
2898 * predict.c (estimate_bb_frequencies): Ditto.
2899 * tree.h (struct tree_common): Add field 'aux'.
2901 2001-07-09 Stan Shebs <shebs@apple.com>
2903 * config/darwin.c (darwin_encode_section_info): Don't mark any
2904 DECL_EXTERNAL node as defined.
2906 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2908 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2909 pa_free_machine_status, hppa_init_pic_save): Delete.
2910 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2911 (hppa_profile_hook): Use hppa_pic_save_rtx.
2912 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2913 hppa_init_pic_save): Delete.
2914 (hppa_pic_save_rtx): Declare.
2915 * pa.md (call, call_value, sibcall, sibcall_value,
2916 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2918 2001-07-09 Kazu Hirata <kazu@hxi.com>
2920 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2921 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2923 2001-07-09 Andreas Jaeger <aj@suse.de>
2925 * output.h: Add declaration of final_forward_branch_p.
2927 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2929 * varray.c: Include errors.h for internal_error and trim_filename
2930 declarations.
2932 * Makefile.in (varray.o): Add errors.h.
2934 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2936 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2937 * optabs.c (have_add2_insn): Check whether the add insn chosen
2938 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2939 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2941 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2943 * Makefile.in (OBJS): Add ssa-ccp.o
2944 (ssa-ccp.o): Add dependencies.
2945 * toplev.c (DFI_ssa_ccp): New dump file enum.
2946 (dump_file): Add entry for dumping after SSA CCP.
2947 (flag_ssa_ccp): New flag variable.
2948 (f_options): Add -fssa-ccp.
2949 (rest_of_compilation): Run SSA CCP if requested.
2950 * timevar.def (TV_SSA_CCP): New timevar.
2951 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2952 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2953 Fix minor typo in SSA DCE documentation.
2954 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2955 Add documentation for new dump option. Renumber dump files
2956 appropriately.
2958 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2960 * emit-rtl.c (gen_highpart_mode): New.
2961 * rtl.h (gen_highpart_mode): Declare.
2962 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2963 operand can be VOIDmode constant.
2965 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2967 * flow.c (redirect_edge_and_branch_force): New.
2968 (can_fallthru): Ensure that basic blocks are succeeding.
2969 (try_optimize_cfg): Do not delete basic block if it is the last one.
2971 * flow.c (try_redirect_by_replacing_jump): Do not remove
2972 jumps with side effects, unlink chain on fallthru edge;
2973 set block for new jump instruction; avoid basic block to
2974 over by line number note.
2976 * flow.c (try_simplify_condjump): Verify that the condjump
2977 is not always falling trought.
2979 Re-install patch:
2980 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2982 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2983 (try_redirect_by_replacing_jump): Update properly the count
2984 and frequency information.
2986 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2988 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2989 address that is a LO_SUM specially.
2990 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2992 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2994 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2995 (operand_subword): Use them.
2996 (change_address_1): Renamed from change_address; new arg VALIDATE.
2997 * expr.h: Reflect above changes; change_address now macro.
2998 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2999 making MEM.
3000 * cselib.c (add_mem_for_addr): Likewise.
3001 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3002 * regmove.c (try_apply_stack_adjustment): Likewise.
3003 * reload.c (push_reload, make_memloc): Likewise.
3004 * reload1.c (eliminate_regs): Likewise.
3005 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3006 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3007 adjust_addess.
3008 * combine.c (make_extraction, simplify_shift_const): Likewise.
3009 (gen_lowpart_for_combine): Likewise.
3010 * cse.c (gen_lowpart_if_possible): Likewise.
3011 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3012 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3013 * optabs.c (gen_move_insn): Likewise.
3014 * reload1.c (alter_reg): Likewise.
3015 * simplify-rtx.c (simplify_subreg): Likewise.
3016 * stmt.c (expand_anon_union_decl): Likewise.
3017 * recog.c (validate_replace_rtx_1): Likewise.
3018 (expr.h): Include.
3019 * Makefile.in (recog.o): Add $(EXPR_H).
3020 * explow.c (stabilize): Call replace_equiv_address.
3021 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3022 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3024 2001-07-03 Andrew Haley <aph@redhat.com>
3026 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3027 the mode of the memory location.
3029 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3031 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3033 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3035 * final.c (output_addr_const): Use target opening and
3036 closing parentheses.
3037 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3038 defaults, add to TARGET_ASM_OUT.
3039 * target.h (struct gcc_target): Add open_paren and close_paren.
3040 * doc/md.texi: Update.
3041 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3042 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3043 TARGET_ASM_CLOSE_PAREN.
3044 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3045 Override.
3046 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3047 Override.
3048 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3049 * config/a29k/a29k.h: Similarly.
3050 * config/alpha/alpha.h: Similarly.
3051 * config/arc/arc.h: Similarly.
3052 * config/arm/aof.h: Similarly.
3053 * config/arm/aout.h: Similarly.
3054 * config/avr/avr.h: Similarly.
3055 * config/c4x/c4x.h: Similarly.
3056 * config/clipper/clipper.h: Similarly.
3057 * config/convex/convex.h: Similarly.
3058 * config/d30v/d30v.h: Similarly.
3059 * config/dsp16xx/dsp16xx.h: Similarly.
3060 * config/elxsi/elxsi.h: Similarly.
3061 * config/fr30/fr30.h: Similarly.
3062 * config/h8300/h8300.h: Similarly.
3063 * config/i370/i370.h: Similarly.
3064 * config/i386/i386.h: Similarly.
3065 * config/i860/i860.h: Similarly.
3066 * config/i960/i960.h: Similarly.
3067 * config/ia64/ia64.h: Similarly.
3068 * config/m32r/m32r.h: Similarly.
3069 * config/m68hc11/m68hc11.h: Similarly.
3070 * config/m68k/m68k.h: Similarly.
3071 * config/m88k/m88k.h: Similarly.
3072 * config/mcore/mcore.h: Similarly.
3073 * config/mips/mips.h: Similarly.
3074 * config/mn10200/mn10200.h: Similarly.
3075 * config/mn10300/mn10300.h: Similarly.
3076 * config/ns32k/ns32k.h: Similarly.
3077 * config/pa/pa.h: Similarly.
3078 * config/pdp11/pdp11.h: Similarly.
3079 * config/pj/pj.h: Similarly.
3080 * config/romp/romp.h: Similarly.
3081 * config/rs6000/rs6000.h: Similarly.
3082 * config/sh/sh.h: Similarly.
3083 * config/sparc/sparc.h: Similarly.
3084 * config/v850/v850.h: Similarly.
3085 * config/vax/vax.h: Similarly.
3086 * config/we32k/we32k.h: Similarly.
3088 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3090 * doc/c-tree.texi: Document representation of attributes.
3092 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3094 * doc/tm.texi: Update some places for the rename of target to
3095 targetm. Fix typo.
3097 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3099 * target.h (struct gcc_target): Add insert_attributes.
3100 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3101 (TARGET_INITIALIZER): Update.
3102 * tree.c, tree.h (default_insert_attributes): New function.
3103 Update comments on other default functions to refer to targetm,
3104 not target.
3105 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3106 TARGET_INSERT_ATTRIBUTES.
3107 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3108 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3109 Don't use PRAGMA_INSERT_ATTRIBUTES.
3110 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3111 * c-decl.c (start_decl, start_function): Don't call
3112 SET_DEFAULT_DECL_ATTRIBUTES.
3113 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3114 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3115 declare.
3116 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3117 (c4x_check_attribute): Avoid modifying attribute list itself.
3118 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3119 Make static.
3120 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3121 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3122 declare.
3123 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3124 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3125 Make static.
3126 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3127 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3128 declare.
3129 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3130 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3131 Adjust parameters. Make static.
3133 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3135 * c-common.c (decl_attributes): Only take a single attributes
3136 parameter.
3137 * c-common.h (decl_attributes): Update prototype.
3138 * c-decl.c (start_decl, start_function): Only take a single
3139 attributes parameter. Update calls to decl_attributes.
3140 (finish_struct, finish_enum): Update calls to decl_attributes.
3141 (push_parm_decl): Expect unified list of attributes. Update call
3142 to decl_attributes.
3143 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3144 notype_nested_function, component_declarator,
3145 component_notype_declarator, label): Update calls to
3146 decl_attributes.
3147 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3148 lists that are passed to push_parm_decl.
3149 * c-tree.h (start_function, start_decl): Update prototypes.
3150 * config/sh/sh-protos.h, config/sh/sh.c
3151 (sh_pragma_insert_attributes): Only take a single attributes
3152 parameter.
3153 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3154 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3155 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3156 build_module_descriptor, generate_static_references,
3157 generate_strings, build_selector_translation_table,
3158 generate_descriptor_table, generate_protocols,
3159 generate_ivars_list, generate_dispatch_table,
3160 generate_protocol_list, generate_category,
3161 generate_shared_structures, really_start_method, add_objc_decls,
3162 generate_classref_translation_entry): Update calls to start_decl
3163 and start_function.
3164 (build_tmp_function_decl, start_method_def): Unify attribute lists
3165 that are passed to push_parm_decl.
3167 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3169 * final.c (no_asm_to_stream): New.
3170 (final_scan_insn): Use target structures for prologue ends
3171 and epilogue starts.
3172 * output.h (no_asm_to_stream): New.
3173 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3174 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3175 (TARGET_ASM_OUT): Update.
3176 * target.h (struct gcc_target): New members function_end_prologue
3177 and function_begin_epilogue.
3178 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3179 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3180 * config/alpha/alpha.c (output_end_prologue): Rename to
3181 alpha_output_function_end_prologue. Use in target struct
3182 and make static.
3183 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3184 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3185 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3186 ia64_output_function_end_prologue. Use in target struct
3187 and make static.
3188 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3189 mistyped prototypes.
3190 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3191 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3192 Delete.
3193 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3194 an use in target struct, make static.
3195 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3196 Delete.
3198 2001-07-08 Richard Henderson <rth@redhat.com>
3200 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3202 2001-07-08 Richard Henderson <rth@redhat.com>
3204 * config/i386/i386.md: Remove constraints strings from define_split
3205 and define_peephole2 patterns.
3206 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3207 (eh_return): Use them.
3209 2001-07-08 Richard Henderson <rth@redhat.com>
3211 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3212 Document MD_FALLBACK_FRAME_STATE_FOR.
3214 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3216 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3217 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3218 elimination.
3219 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3221 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3223 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3224 of the label inside NAME as opposed to just the end of NAME.
3226 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3228 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3229 * config/alpha/alpha.c (alpha_init_machine_status,
3230 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3231 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3232 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3233 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3235 2001-07-06 Stan Shebs <shebs@apple.com>
3237 * target.h (targetm): Rename global from "target", so as not to
3238 conflict with local variables.
3239 * c-decl.c: Ditto.
3240 * c-typeck.c: Ditto.
3241 * final.c: Ditto.
3242 * tree.c: Ditto.
3243 * cp/decl.c: Ditto.
3244 * cp/decl2.c: Ditto.
3245 * cp/typeck.c: Ditto.
3246 * 1750a/1750a.c: Ditto.
3247 * a29k/a29k.c: Ditto.
3248 * arc/arc.c: Ditto.
3249 * arm/arm.c: Ditto.
3250 * avr/avr.c: Ditto.
3251 * clipper/clipper.c: Ditto.
3252 * convex/convex.c: Ditto.
3253 * d30v/d30v.c: Ditto.
3254 * dsp16xx/dsp16xx.c: Ditto.
3255 * elxsi/elxsi.c: Ditto.
3256 * fr30/fr30.c: Ditto.
3257 * h8300/h8300.c: Ditto.
3258 * i370/i370.c: Ditto.
3259 * i386/i386.c: Ditto.
3260 * i860/i860.c: Ditto.
3261 * i960/i960.c: Ditto.
3262 * ia64/ia64.c: Ditto.
3263 * m32r/m32r.c: Ditto.
3264 * m68hc11/m68hc11.c: Ditto.
3265 * m68k/m68k.c: Ditto.
3266 * m88k/m88k.c: Ditto.
3267 * mips/mips.c: Ditto.
3268 * ns32k/ns32k.c: Ditto.
3269 * pa/pa.c: Ditto.
3270 * pdp11/pdp11.c: Ditto.
3271 * romp/romp.c: Ditto.
3272 * rs6000/rs6000.c: Ditto.
3273 * sh/sh.c: Ditto.
3274 * sparc/sparc.c: Ditto.
3275 * vax/vax.c: Ditto.
3276 * we32k/we32k.c: Ditto.
3277 * doc/tm.texi: Update the manual to match.
3279 2001-07-06 Richard Henderson <rth@redhat.com>
3281 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3282 DWARF2_UNWIND_INFO not just whether it is defined.
3284 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3286 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3287 call to simplify_binary_operation returns a new pattern.
3289 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3291 * glimits.h (__SHRT_MAX__): New.
3292 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3293 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3295 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3297 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3298 avoid warnings.
3300 2001-07-06 Richard Henderson <rth@redhat.com>
3302 * bitmap.c (bitmap_release_memory): Move adjacent to the
3303 allocation functions.
3304 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3305 the implementation. Binary search for the set bit.
3306 (bitmap_union_of_diff): Allocate the temporary on the stack
3307 instead of using xmalloc.
3309 2001-07-06 Richard Henderson <rth@redhat.com>
3311 * genrecog.c (validate_pattern): Warn for constraints in
3312 define_{expand,split,peephole2}. Remove strict_low_part
3313 before looking up match_dup.
3315 2001-07-06 DJ Delorie <dj@redhat.com>
3317 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3318 chapter about various build hints and history. Add section
3319 talking about the various types of native and cross builds.
3321 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3323 * Makefile.in (final.o): Depend on target.h.
3324 * final.c: Include target.h.
3325 (default_function_pro_epilogue): New.
3326 (final_start_function): Use target structure for function prologues.
3327 (final_end_function): Use target structure for function epilogues.
3328 * fold-const.c (real_hex_to_f): Constify s and p.
3329 * output.h (default_function_pro_epilogue): New.
3330 * real.h (real_hex_to_f): Update prototype.
3331 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3332 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3333 (TARGET_INITIALIZER): Update.
3334 * target.h (gcc_target): Add struct asm_out.
3335 * doc/tm.texi: Update.
3337 config:
3338 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3339 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3340 in cpu/cpu.c, or rename old functions consistently. Take
3341 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3342 redundant macros and prototypes. Make new functions static.
3344 * 1750a/1750a.c: Similarly.
3345 * 1750a/1750a.h: Similarly.
3346 * a29k/a29k-protos.h: Similarly.
3347 * a29k/a29k.c: Similarly.
3348 * a29k/a29k.h: Similarly.
3349 * arc/arc-protos.h: Similarly.
3350 * arc/arc.c: Similarly.
3351 * arc/arc.h: Similarly.
3352 * arm/arm-protos.h: Similarly.
3353 * arm/arm.c: Similarly.
3354 * arm/arm.h: Similarly.
3355 * avr/avr-protos.h: Similarly.
3356 * avr/avr.c: Similarly.
3357 * avr/avr.h: Similarly.
3358 * clipper/clipper-protos.h: Similarly.
3359 * clipper/clipper.c: Similarly.
3360 * clipper/clipper.h: Similarly.
3361 * convex/convex.c: Similarly.
3362 * convex/convex.h: Similarly.
3363 * d30v/d30v-protos.h: Similarly.
3364 * d30v/d30v.c: Similarly.
3365 * d30v/d30v.h: Similarly.
3366 * d30v/d30v.md: Similarly.
3367 * dsp16xx/dsp16xx-protos.h: Similarly.
3368 * dsp16xx/dsp16xx.c: Similarly.
3369 * dsp16xx/dsp16xx.h: Similarly.
3370 * elxsi/elxsi.c: Similarly.
3371 * elxsi/elxsi.h: Similarly.
3372 * fr30/fr30.c: Similarly.
3373 * fr30/fr30.md: Similarly.
3374 * h8300/h8300-protos.h: Similarly.
3375 * h8300/h8300.c: Similarly.
3376 * h8300/h8300.h: Similarly.
3377 * i370/i370-protos.h: Similarly.
3378 * i370/i370.c: Similarly.
3379 * i370/i370.h: Similarly.
3380 * i386/i386.c: Similarly.
3381 * i386/osf1elf.h: Similarly.
3382 * i386/osfrose.h: Similarly.
3383 * i860/i860-protos.h: Similarly.
3384 * i860/i860.c: Similarly.
3385 * i860/i860.h: Similarly.
3386 * i960/i960-protos.h: Similarly.
3387 * i960/i960.c: Similarly.
3388 * i960/i960.h: Similarly.
3389 * ia64/ia64-protos.h: Similarly.
3390 * ia64/ia64.c: Similarly.
3391 * ia64/ia64.h: Similarly.
3392 * m32r/m32r-protos.h: Similarly.
3393 * m32r/m32r.c: Similarly.
3394 * m32r/m32r.h: Similarly.
3395 * m68hc11/m68hc11-protos.h: Similarly.
3396 * m68hc11/m68hc11.c: Similarly.
3397 * m68hc11/m68hc11.h: Similarly.
3398 * m68k/crds.h: Similarly.
3399 * m68k/dpx2.h: Similarly.
3400 * m68k/m68k-protos.h: Similarly.
3401 * m68k/m68k.c: Similarly.
3402 * m68k/m68k.h: Similarly.
3403 * m68k/news.h: Similarly.
3404 * m88k/m88k-protos.h: Similarly.
3405 * m88k/m88k.c: Similarly.
3406 * m88k/m88k.h: Similarly.
3407 * mips/mips-protos.h: Similarly.
3408 * mips/mips.c: Similarly.
3409 * mips/mips.h: Similarly.
3410 * ns32k/merlin.h: Similarly.
3411 * ns32k/ns32k.c: Similarly.
3412 * ns32k/ns32k.h: Similarly.
3413 * ns32k/tek6000.h: Similarly.
3414 * pa/pa-protos.h: Similarly.
3415 * pa/pa.c: Similarly.
3416 * pa/pa.h: Similarly.
3417 * pdp11/2bsd.h: Similarly.
3418 * pdp11/pdp11-protos.h: Similarly.
3419 * pdp11/pdp11.c: Similarly.
3420 * pdp11/pdp11.h: Similarly.
3421 * romp/romp-protos.h: Similarly.
3422 * romp/romp.c: Similarly.
3423 * romp/romp.h: Similarly.
3424 * rs6000/rs6000-protos.h: Similarly.
3425 * rs6000/rs6000.c: Similarly.
3426 * rs6000/rs6000.h: Similarly.
3427 * rs6000/sysv4.h: Similarly.
3428 * sh/sh-protos.h: Similarly.
3429 * sh/sh.c: Similarly.
3430 * sh/sh.h: Similarly.
3431 * sparc/sparc-protos.h: Similarly.
3432 * sparc/sparc.c: Similarly.
3433 * sparc/sparc.h: Similarly.
3434 * vax/vax.c: Similarly.
3435 * vax/vax.h: Similarly.
3436 * vax/vms.h: Similarly.
3437 * we32k/we32k.c: Similarly.
3438 * we32k/we32k.h: Similarly.
3440 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3442 * basic-block.h (first_insn_after_basic_block_note): Declare.
3443 * flow.c (first_insn_after_basic_block_note): Define. Moved
3444 from...
3445 * ssa.c (first_insn_after_basic_block_note): Remove.
3446 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3447 necessary.
3448 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3449 nodes when we find a dead conditional branch. Insert BARRIERs
3450 after any blocks with no successors, but which do not have
3451 any BARRIERs.
3453 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3455 * varray.c (varray_check_failed): Use internal_error.
3457 2001-07-05 Andrew Haley <aph@redhat.com>
3459 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3460 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3461 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3463 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3465 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3466 reference if the target constant is also a SYMBOL_REF.
3468 2001-07-05 Eric Christopher <echristo@redhat.com>
3470 * config/mips/mips.h (MASK_MIPS3900): Remove.
3471 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3472 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3473 (TARGET_MIPS3900): Change to use mips_arch.
3474 (TARGET_MIPS4000): New.
3475 (TARGET_MIPS4100): New.
3476 (TARGET_MIPS4300): New.
3477 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3478 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3479 for -mipsX.
3480 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3481 (ISA_HAS_BRANCHLIKELY): To here.
3482 (CC1_CPU_SPEC): New.
3483 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3484 (mips_arch_string): Declare.
3485 (mips_arch): Declare.
3486 (TARGET_OPTIONS): Add -march and -mtune.
3488 * config/mips/mips.c (mips_arch_string): New.
3489 (mips_arch): New.
3490 (override_options): Handle -march for codegen and -mtune
3491 for scheduling. Use mips_arch. Move tx39 target default here.
3492 (mips_parse_cpu): Move error message to override_options.
3494 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3496 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3498 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3499 (MIPS Options): Ditto. Change mcpu entry to historical text.
3501 2001-07-05 H.J. Lu (hjl@gnu.org)
3503 * config/mips/mips.c (mips_parse_cpu): New function to parse
3504 -march=*/-mcpu=*.
3506 2001-07-05 Jim Wilson <wilson@redhat.com>
3508 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3509 * config/ia64/t-ia64: Likewise.
3510 (LIB1ASMFUNCS): Update comment.
3512 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3514 * doc/install.texi (Install GCC: Binaries): Fix typo.
3516 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3518 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3519 reference using the stack pointer, adjust it since we push Y
3520 temporarily.
3521 ("*ashrsi3"): Likewise.
3522 ("*lshrsi3"): Likewise.
3524 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3526 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3527 when -fomit-frame-pointer is used.
3529 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3531 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3532 (try_redirect_by_replacing_jump): Reverse updating properly the
3533 count and frequency information. Reverse removing cc0 setter.
3534 (forwarder_block_p): Reverse fixing for fallthru blocks.
3536 2001-07-05 DJ Delorie <dj@redhat.com>
3538 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3539 (translate_options): If the above is defined, use it to map
3540 given options to new options.
3541 * doc/tm.texi: Document it.
3543 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3544 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3546 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3547 cause programs using computed gotos to run more slowly.
3549 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3551 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3552 Fixed sorting.
3553 Consistently require binutils 2.11.2, not prereleases.
3554 (Specific, decstation-*): Canonicalize as mips-dec-*.
3555 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3556 always necessary.
3557 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3558 (Specific, mips-*): Reword MIPS C compiler requirements.
3559 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3560 (Specific, sunv5): Removed, obsolete.
3562 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3564 * dwarf2out.c (output_loc_list): Use an all ones mask for
3565 .text asm output and don't rely on long long
3566 literals. Reformat some long lines.
3568 2001-07-05 Andreas Jaeger <aj@suse.de>
3570 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3571 section.
3573 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3575 * dwarf2out.c (dwarf2out_define): Update comment.
3576 (dwarf2out_undef): Ditto.
3577 (dwarf2out_start_source_file): Ditto.
3578 (dwarf2out_end_source_file): Ditto.
3579 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3580 since we never call the start/end debug hook for the primary file.
3582 2001-07-04 Kazu Hirata <kazu@hxi.com>
3584 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3585 from shll.
3587 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3589 * cppinit.c (remove_dup_dirs): Inform if a system include
3590 directory is being reordered.
3591 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3592 system include.
3593 * doc/cpp.texi (Search Paths): Likewise.
3594 * doc/gcc.texi (Interoperation): Remove information about
3595 -I/usr/include.
3597 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3599 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3600 (VARRAY_TOP_CHAR_PTR): Likewise.
3602 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * gcc.c (process_command): Don't assign elements of a const char*.
3606 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3608 * emit-rtl.c (change_address): Don't abort if invalid address while
3609 reload is in progress.
3611 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3613 * c-lex.c (cb_file_change): Pass line number to
3614 debug_start_source_file.
3615 (cb_undefine): Pass correct line number to debug_undef.
3617 * toplev.c (debug_start_source_file): Add line number to
3618 parameters. Pass it along to dwarf2out_start_source_file.
3619 (decode_g_option): Stop resetting debug level back to normal when
3620 we change debug formats, unless the current level is
3621 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3622 3).
3624 * toplev.h (debug_start_source_file): Add line number to
3625 parameters.
3627 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3628 parameters.
3630 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3631 parameters.
3632 Output debug_macinfo data for starting file if requested.
3633 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3634 file if requested.
3635 (dwarf2out_define): Output debug_macinfo data for defining a macro
3636 if requested.
3637 (dwarf2out_undef): Output debug_macinfo data for undefining a
3638 macro if requested.
3639 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3640 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3641 (macinfo_section_label): New. DWARF2 macro info section label.
3642 (dwarf2out_init): If we want macro info, output the start label
3643 for the section.
3644 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3645 attribute to the compilation unit die pointing to the macro info.
3647 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3649 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3650 DWARF2_DEBUGGING_INFO.
3651 (add_loc_descr_to_loc_list): Ditto.
3652 (output_loc_list): Ditto.
3653 Also, fix thinko in curr not being initialized.
3654 (gen_internal_sym): Ditto.
3656 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3658 * emit-rtl.c (replace_equiv_address): New function.
3659 * expr.h (replace_equiv_address): New declaration.
3660 * explow.c (validize_mem): Call it instead of change_address and
3661 also call if -fforce-addr and address is constant.
3662 * expr.c: Replace more calls to change_address with adjust_address
3663 and/or replace_equiv_address or to validize_mem.
3664 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3665 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3666 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3667 * config/i370/i370.md, config/i860/i860.md: Likewise.
3668 * config/i960/i960.md, config/mips/mips.c: Likewise.
3669 * config/mips/mips.md, config/pa/pa.md: Likewise.
3670 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3671 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3673 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3675 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3677 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3678 function.
3680 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3682 * doc/include: New directory.
3683 * doc/fdl.texi: Move to doc/include/fdl.texi.
3684 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3685 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3686 * doc/gcc.texi: Use funding.texi and gpl.texi.
3687 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3688 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3689 Update dependencies and use -I $(docdir)/include.
3691 2001-07-04 Anthony Green <green@redhat.com>
3693 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3695 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3697 * doc/install.texi (sparc64-*-*): Remove garbage.
3699 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3701 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3702 Fix typo in last change to use adjust_address.
3704 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3706 * doc/install.texi (Specific): Update information for *-*-solaris*.
3708 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3710 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3712 2001-07-03 Stan Shebs <shebs@apple.com>
3714 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3715 case for flag_no_mach_text_sections.
3716 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3717 * config/darwin.c (flag_no_mach_text_sections): Remove.
3718 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3720 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3722 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3723 and avoid checking for constant as first operand.
3724 * recog.c (find_constant_term_loc): No longer static.
3725 (adj_offettable_operand): Delete.
3726 * rtl.h (adj_offsettable_operand): Delete declaration.
3727 (find_constant_term): Add declaration.
3728 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3729 to adjust_address.
3730 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3731 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3732 * config/i386/i386.c, config/i386/i386.md: Likewise.
3733 * config/i860/i860.c, config/i960/i960.c: Likewise.
3734 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3735 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3736 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3737 * config/mips/mips.c, config/mips/mips.md: Likewise.
3738 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3739 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3740 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3741 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3742 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3743 * config/ns32k/ns32k.md: Likewise.
3745 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3747 * rtl.c (copy_rtx): Handle 'T' format letter.
3748 * gensupport.c (collect_insn_data): Likewise.
3749 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3751 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3753 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3754 -B option. Use 'dir' not 'foo' as example directory name.
3756 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3758 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3759 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3761 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3763 * doc/cppinternals.texi: Improve formatting and logical markup.
3765 2001-07-03 Andreas Jaeger <aj@suse.de>
3767 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3769 * genrecog.c (write_header): Include reload.h for prototypes in
3770 insn-recog.c.
3772 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3774 config:
3775 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3776 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3777 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3778 i386_pe_valid_type_attribute_p): Add.
3779 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3780 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3782 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3784 * explow.c (plus_constant_wide, case LO_SUM): New case.
3785 (plus_constant_for_output_wide): Delete.
3786 * rtl.h (plus_constant_for_output): Delete.
3787 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3788 instead of plus_constant_for_output.
3789 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3790 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3791 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3792 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3793 * config/sparc/sparc.md: Likewise.
3794 Convert some change_address calls to adjust_address.
3796 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3798 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3799 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3800 documentation of -std and -Wwrite-strings.
3802 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3804 * cse.c (canon_hash): Don't register registers in very small
3805 register classes, as extending their lifetime might cause
3806 reload to fail.
3808 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3810 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3812 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3813 (try_redirect_by_replacing_jump): Update properly the count
3814 and frequency information.
3816 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3818 * toplev.c (dump_file_index): Move SSA dumps just after first
3819 jump dump.
3820 (dump_file): Corresponding changes.
3821 (rest_of_compilation): Move SSA path to just after the first
3822 jump pass.
3823 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3824 * doc/invoke.texi: Update dump file #s as they were completely
3825 out of date with reality.
3827 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3829 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3831 * expr.c (emit_move_insn_1): Deal with non-default
3832 STACK_PUSH_CODE.
3834 * expr.c (emit_single_push_insn): Fix warning.
3836 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3838 * expr.c (emit_move_insn_1): Avoid modifying
3839 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3841 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * emit-rtl.c (adjust_address): New function.
3844 * expr.h (adjust_address): Add declaration.
3845 * builtins.c: Replace some calls to change_address with calls to it
3846 or to validize_mem.
3847 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3848 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3849 * config/arm/arm.c, config/convex/convex.c: Likewise.
3850 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3851 * config/i386/i386.c, config/i386/i386.md: Likewise.
3852 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3853 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3854 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3855 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3856 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3858 2001-07-02 Jim Wilson <wilson@redhat.com>
3860 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3862 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3864 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3865 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3867 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3869 * cppinit.c (lang_defaults): New table.
3870 (set_lang): Just read from lang_defaults into the live options
3871 structure.
3873 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3875 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3876 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3877 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3879 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3881 * doc/install.texi: Various spelling and markup fixes.
3882 (Installing GCC): Component specific installation instructions are
3883 gone.
3884 Fix reference.
3885 Warn about removing old install dir in the presence of shared libs.
3886 (Configuration): Invoke with options target to match configure
3887 --help.
3888 Consistently refer to gas, gld pathnames.
3889 Invert --enable-multilib documentation.
3890 Remove references to old compiler versions.
3892 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3894 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3896 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3898 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3899 section.
3900 (Specific, mips*-sgi-irix5): Note IDO download.
3901 Reworded MIPS C hints.
3902 Use GNU as instead of GAS.
3903 Markup fixes.
3904 Removed SGI Freeware reference, IRIX 6 only.
3905 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3906 Note N64 library requirement/workaround.
3907 Update O32 hints.
3908 Complete list of structure passing bug victims.
3910 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3912 * doc/install.texi: Remove CVS Id.
3914 2001-07-02 Andreas Jaeger <aj@suse.de>
3916 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3917 (find_inherently_necessary): Remove unused variable.
3919 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3921 * c-common.h (TDI_inlined): New ast dump phase.
3922 (dump_flag_name): New function.
3923 * c-dump.c (dump_files): Add inlined phase.
3924 (dump_flag_name): Define.
3925 * doc/invoke.texi (-fdump-ast-inlined): Document.
3927 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3929 * stor-layout.c (layout_decl): Revert change to handling of alignment
3930 in packed types.
3932 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3934 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3935 for FIELD_DECL.
3937 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3939 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3940 is special.
3942 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3944 * tlink.c (recompile_files): Remove COMPILER_PATH and
3945 LIBRARY_PATH from the environment.
3947 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3949 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3950 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3951 enumerators.
3952 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3954 * c-parse.in (OBJC_STRING): Kill.
3955 (objc_string): Decompose to [objc_string] '@' STRING.
3956 (reswords): Take the leading '@' off all the Objective C keywords.
3957 (objc_rid_sans_at): Kill.
3958 (init_reswords): Don't initialize it.
3959 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3960 (_yylex): Kill reconsider label. Look ahead one token after
3961 an '@'; if we get an identifier, check whether it's an
3962 Objective C @-keyword. If so, return the keyword. Otherwise,
3963 put back the token and return the '@' as a terminal.
3965 * cpplib.c (lex_macro_node): Remove unnecessary check for
3966 leading '@' on identifier. Clarify control flow and commentary.
3968 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3970 * cse.c (new_label_ref): Variable deleted.
3971 (insert): Remove set of new_label_ref.
3972 (check_for_label_ref): New function.
3973 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3975 See ChangeLog.5 for earlier changes.