1 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5 * reload1.c (fixup_abnormal_edges): New static function.
8 * flow.c (need_fake_edge_p): New function.
9 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
10 avoid call insn to be very last insn in the insn stream.
12 * profile.c (branch_prob): Call flow_call_edges_add instead of
13 doing that by hand; cleanup cfg to re-merge basic blocks once
16 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
18 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
19 are also on line-map.h.
20 * cppfiles.c (stack_include_file): Update.
21 * cpphash.h (struct cpp_buffer): New member return_at_eof.
22 (_cpp_pop_buffer): New.
23 * cppinit.c (cpp_destroy, cpp_finish): Update.
24 (do_includes): Mark each buffer to return at EOF.
25 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
27 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
28 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
29 * cpplib.h (cpp_pop_buffer): Remove.
30 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
31 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
33 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
35 (do_preprocessing): Update.
36 * fix-header.c (read_scan_file): Update. No need to pop buffers.
37 * c-parse.in (_yylex): Similarly.
38 * scan-decls.c (scan_decls): Similarly.
39 * line-map.h: Update comments.
41 * objc/Make-lang.in (objc-act.o): Update dependencies.
43 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
45 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
46 and soft register for operand 0.
47 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
49 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
51 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
52 register for operand 0.
53 ("bitcmpqi_z_used"): Allow memory for operand 0.
54 (split "bitcmpqi"): New split to handle address reg as operand 1.
56 2001-08-04 Andreas Jaeger <aj@suse.de>
58 * gcse.c: Revert Daniel's last patch.
60 2001-08-03 Zack Weinberg <zackw@stanford.edu>
62 * sparc-protos.h: Add prototypes for fp_zero_operand and
64 * sh-protos.h: Add prototype for fpul_operand.
66 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
68 * doc/extend.texi (Other Builtins): Fix typo in last change.
70 2001-08-03 Richard Henderson <rth@redhat.com>
72 * target.h (gcc_target): Add asm_out.named_section,
73 section_type_flags, have_named_sections.
74 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
75 (TARGET_HAVE_NAMED_SECTIONS): New.
76 (TARGET_SECTION_TYPE_FLAGS): New.
78 * Makefile.in (toplev.o): Depend on TARGET_H.
79 (varasm.o, dbxout.o): Likewise.
80 * c-common.c (decl_attributes): Check targetm.have_named_sections
81 instead of ifdef ASM_OUTPUT_SECTION_NAME.
82 * dbxout.c (dbxout_function_decl): Likewise.
83 (dbxout_function_end): Likewise.
84 * toplev.c (compile_file): Likewise.
85 * varasm.c (exception_section): Likewise.
86 * cp/decl2.c (finish_objects): Likewise.
88 * defaults.h (EH_FRAME_SECTION): Remove.
89 (EH_FRAME_SECTION_ASM_OP): Remove.
90 (EH_FRAME_SECTION_NAME): New.
91 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
92 (UNIQUE_SECTION_P): Remove.
93 * dwarf2out.c (SECTION_FORMAT): Remove.
94 (ASM_OUTPUT_SECTION): Remove.
95 (output_call_frame_info): Use named_section_flags.
96 (output_comp_unit, dwarf2out_start_source_file): Likewise.
97 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
98 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
99 * varasm.c (in_eh_frame, eh_frame_section): Remove.
100 (named_section_flags): New.
101 (named_section): Use it and targetm.section_type_flags.
102 (resolve_unique_section): New.
103 (assemble_start_function): Use it.
104 (asm_emit_uninitialised, assemble_variable): Likewise.
105 (default_section_type_flags): New.
106 (default_no_named_section, default_elf_asm_named_section): New.
107 (default_coff_asm_named_section, default_pe_asm_named_section): New.
108 * output.h: Update varasm.c decls.
109 (SECTION_*): New flags.
111 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
112 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
114 * config/elfos.h (UNIQUE_SECTION_P): Remove.
115 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
116 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
117 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
118 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
119 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
120 * config/mips/elf.h, config/mips/elf64.h: Likewise.
121 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
122 * config/pa/pa64-hpux.h,
124 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
125 (TARGET_ASM_NAMED_SECTION): New.
126 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
127 * config/alpha/vms.h, config/arm/coff.h: Likewise.
128 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
129 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
130 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
131 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
132 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
133 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
134 * config/i386/sco5.h, config/i386/win32.h: Likewise.
135 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
136 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
137 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
138 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
139 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
140 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
141 * config/sparc/sysv4.h: Likewise.
143 * config/nextstep.h: Error until named sections implemented.
145 * config/a29k/a29k.c (a29k_asm_named_section): New.
146 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
147 (vms_section_type_flags, vms_asm_named_section): New.
148 * config/arm/arm.c (arm_elf_asm_named_section): New.
149 * config/avr/avr.c (asm_output_section_name): Remove.
150 * config/avr/avr-protos.h: Update.
151 * config/c4x/c4x.c (c4x_asm_named_section): New.
152 * config/h8300/h8300.c (h8300_asm_named_section): New.
153 * config/i386/i386.c (sco_asm_named_section): New.
154 * config/i386/winnt.c (SECTION_PE_SHARED): New.
155 (i386_pe_section_type_flags): New.
156 (i386_pe_asm_named_section): New.
157 * config/i386/i386-protos.h: Update.
158 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
159 * config/mcore/mcore.c (mcore_asm_named_section): New.
160 * config/mips/mips.c (iris6_asm_named_section): New.
161 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
162 instead of UNIQUE_SECTION_P.
163 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
164 (xcoff_asm_named_section): New.
165 * config/sh/sh.c (sh_asm_named_section): New.
166 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
168 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
169 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
170 (EH_FRAME_SECTION_NAME): New.
171 (EXCEPTION_SECTION): New.
172 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
173 (DEBUG_*_SECTION): Remove.
174 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
175 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
176 (EH_FRAME_SECTION_ASM_OP): Remove.
178 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
179 (ASM_OUTPUT_SECTION_NAME): Remove.
180 (TARGET_ASM_NAMED_SECTION): New.
181 (TARGET_HAVE_NAMED_SECTIONS): New.
182 (TARGET_SECTION_TYPE_FLAGS): New.
183 (EH_FRAME_SECTION_ASM_OP): Remove.
184 (EH_FRAME_SECTION_NAME): New.
186 2001-08-03 Zack Weinberg <zackw@stanford.edu>
188 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
189 for complex expressions when cfun == 0.
190 * doc/extend.texi: Document that __builtin_constant_p can be
191 used in data initializers as well as functions.
193 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
195 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
196 variable I locally, instead of expecting a declaration in the
199 2001-08-03 Richard Henderson <rth@redhat.com>
201 * except.c (collect_one_action_chain): Add an explicit cleanup
202 action if regions surrounding a catch were encoded entirely
203 within the call-site entry.
205 2001-08-03 Richard Henderson <rth@redhat.com>
207 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
208 don't take REGNO of a non-register.
210 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
212 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
213 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
214 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
215 (__gthread_mutex_init_function): New function for mutex initialization.
217 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
219 * Makefile.in: Revert screwed up commit.
221 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
223 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
224 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
225 merged by linker script to get a final _exit().
226 (__do_global_dtors): New for destructor handling in specific exit
228 (__do_global_ctors): New for constructors in specific install section.
229 (__map_data_section): Map data sections before running constructors.
230 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
231 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
232 (DTORS_SECTION_ASM_OP): Likewise.
233 (CTORS_SECTION_FUNCTION): Define to force a reference to
235 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
237 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
239 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
241 * Makefile.in: Add df.h to gcse.c dependencies.
243 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
245 * varasm.c (output_constant_def_contents): Use for the length of a
246 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
247 depending on which is larger.
249 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
251 * gcse.c: Include df.h for use as a dataflow analyzer.
253 Declaration of reg_set_info: gone.
254 New df_analyzer variable used by store motion.
255 (reg_set_info): Deleted.
256 (mark_mem_regs): New function, analyze regs used by a mem.
257 (store_ops_ok): Use dataflow analyzer results to determine if
258 necessary regs are changed in the block.
259 (find_moveable_store): Remove check for symbol ref, we can handle
260 much more complex expressions now.
261 (compute_store_table): Remove most of the code, it's unnecessary
262 now that the dataflow analyzer records the info for us.
263 (store_killed_after): Add parameter to say whether to do the
264 store_ops_okay test, used to speed up testing when we already know
265 the answer, and just want to know if the store itself was killed.
266 (build_store_vector): Largely rewritten to calculate the various
267 vectors properly, and somewhat optimized.
268 (store_motion): Init the df_analyzer, get REG_DEF chains.
269 Also handle trapping expressions (since mems almost always trap)
270 (simple_mem): Redefine what a simple mem is.
272 2001-08-03 DJ Delorie <dj@redhat.com>
274 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
275 set from a constant part of the condition.
277 2001-08-01 Andrew Cagney <ac131313@redhat.com>
279 * mkdeps.c (deps_add_default_target): Make local variable
280 ``start'' a const char pointer.
281 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
283 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
285 * doc/install.texi (Configuration): Fix markup.
286 (Specific, i?86-*-udk): Likewise.
287 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
289 Document --enable-threads and --enable-libgcj status.
290 (Specific, mips-sgi-irix*): Canonicalize triples.
291 (Specific, mips-sgi-irix5): Warn about problems with this config.
292 Mention required GNU as patch.
293 Native assembler problems are fixed.
294 (Specific, mips-sgi-irix6): Update O32 ABI support status.
295 Document --enable-threads and --enable-libgcj status.
297 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
299 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
302 2001-08-03 Richard Henderson <rth@redhat.com>
304 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
307 2001-08-03 Richard Henderson <rth@redhat.com>
309 * rtlanal.c (find_first_parameter_load): Stop if we
310 reach a CODE_LABEL at BOUNDARY.
312 2001-08-03 Richard Henderson <rth@redhat.com>
314 * config/alpha/alpha.md (force_movdi): New insn.
315 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
316 Tweek FRP marking of VMS prologue insns.
317 * config/alpha/vms.h (EPILOGUE_USES): New.
319 2001-08-02 Richard Henderson <rth@redhat.com>
321 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
323 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
325 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
326 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
327 config/convex/convex.h, config/d30v/d30v.c,
328 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
329 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
330 config/mips/mips.h, config/mn10200/mn10200.h,
331 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
332 config/v850/v850.h, config/vax/openbsd.h,
333 config/vax/openbsd1.h, config/vax/ultrix.h,
334 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
335 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
336 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
337 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
338 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
339 in comments and documentation.
341 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
345 * Makefile.in (line-map.o): New.
346 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
347 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
348 * cpperror.c (print_containing_files): Similarly.
349 (print_location): Update. Don't output a space before _Pragma.
350 * cppfiles.c (stack_include_file): Set to line 1 immediately.
351 (stack_include_filee, cpp_make_system_header): Update.
352 (_cpp_execute_include): Get logical line number right for calling
353 as-yet-unterminated #include.
354 * cpphash.h (struct cpp_reader): Add line_maps.
355 (_cpp_do_file_change): Update.
356 * cppinit.c (cpp_create_reader): Initialize line maps.
357 (cpp_destroy): Destroy line maps.
358 (cpp_start_read): Get logical line number right.
359 * cpplex.c (parse_string): Only warn once for multi-line strings.
360 Use boolean variable for null warning.
361 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
363 (do_include_common): End the directive early.
364 (do_line): Don't warn about out-of-range lines in preprocessed
365 source. Update. Remove unused variables.
366 (_cpp_do_file_change): Update for new line mapping.
367 (pragma_cb): New typedef.
368 (cpp_register_pragma): Stop looking ahead before calling the
370 (do_pragma_system_header): End directive early.
371 (cpp_get_line_maps): New.
372 (cpp_pop_buffer): Fudge logical line. Update.
373 * cpplib.h: Include line-map.h
374 (enum cpp_fc_reason): Remove.
375 (struct cpp_file_change): Update.
376 (cpp_get_line_maps): New.
377 * cppmain.c (struct_printer): New member map.
378 (cb_file_change): Update for new mappings.
379 * fix-header.c (cb_file_change): Similarly.
381 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
383 * Makefile.in (libgcc.mk): Define mkinstalldirs.
384 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
386 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
388 * config/vax/vax.c: include expr.h.
390 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
392 * Makefile.in ($(srcdir)/configure): Only rebuild in
394 ($(srcdir)/config.in): Only define in maintainer mode.
395 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
397 2001-08-02 David Edelsohn <edelsohn@gnu.org>
399 * doc/install.texi (Install GCC: Binaries): Update Bull info.
401 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
403 * gcc.c (set_collect_gcc_options): New function, split out from
405 Ignore elided switches.
406 (do_spec_1): Invoke before executing command.
409 * gcc.h (set_input): ... here.
410 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
413 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
416 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
418 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
420 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
422 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
423 for the unnamed instructions it expands to.
425 2001-08-02 Richard Henderson <rth@redhat.com>
427 * regclass.c (call_really_used_regs): Conditionally define.
428 (init_reg_sets_1): Don't use it if not defined.
429 (fix_register): Similarly, don't set it.
431 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
433 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
434 Correct comment that had been missed in the previous change.
436 2001-08-01 Stan Shebs <shebs@apple.com>
438 * config/darwin.c (machopic_stub_name): Try matching by name.
439 (update_stubs): New function.
440 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
443 2001-08-01 Richard Henderson <rth@redhat.com>
445 * except.c (output_function_exception_table): Use assemble_align.
446 * varasm.c (assemble_eh_label): Remove.
447 (assemble_eh_align, assemble_eh_integer): Remove.
449 2001-08-01 Robert Lipe <robertl@caldera.com>
451 * dwarfout.c: Remove reference to README.DWARF.
453 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
455 * regclass.c (call_really_used_regs): New array for registers which
456 are actually used by a call.
457 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
459 (fix_register): Set call_really_used too.
460 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
461 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
463 2001-08-01 Richard Henderson <rth@redhat.com>
465 * read-rtl.c (read_name): Consider \r whitespace.
467 2001-07-11 Andrew Cagney <ac131313@redhat.com>
469 * config.gcc: Recognize powerpc-*-netbsd*.
471 * doc/install.texi (Host/target specific installation notes for
472 GCC): Mention powerpc-*-netbsd*.
474 * config/rs6000/netbsd.h: New file.
475 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
476 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
477 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
478 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
479 (TARGET_VERSION): Redefine.
481 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
482 mcall-netbsd as a match for mcall-sysv.
483 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
484 (ncrti.S, ncrtn.S): New targets.
485 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
488 "netbsd' as a V4 ABI.
489 (ASM_SPEC): Check for -mcall-netbsd.
490 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
491 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
492 (LIB_SPEC, ENDFILE_SPEC): Ditto.
493 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
494 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
495 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
496 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
498 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
499 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
501 2001-08-01 Mark Kettenis <kettenis@gnu.org>
503 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
504 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
505 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
506 including "unwind-pe.h".
508 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
510 * rs6000.md (define_splits): Kill unused constraints.
512 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
513 Jan Hubicka <jh@suse.cz>
515 * function.c (thread_prologue_and_epilogue_insns): Kill code
516 dealing with non-existent CFG.
518 2001-08-01 Kazu Hirata <kazu@hxi.com>
520 * alias.c: Fix comment formatting.
521 * bitmap.c: Likewise.
522 * builtins.c: Likewise.
524 * c-common.c: Likewise.
525 * c-decl.c: Likewise.
526 * c-dump.c: Likewise.
528 * collect2.c: Likewise.
529 * combine.c: Likewise.
530 * conflict.c: Likewise.
531 * cppfiles.c: Likewise.
532 * cppinit.c: Likewise.
533 * cpplex.c: Likewise.
534 * cpplib.c: Likewise.
535 * cppmacro.c: Likewise.
536 * cppspec.c: Likewise.
537 * c-pragma.c: Likewise.
538 * crtstuff.c: Likewise.
540 * cselib.c: Likewise.
541 * c-semantics.c: Likewise.
542 * c-typeck.c: Likewise.
544 2001-08-01 H.J. Lu <hjl@gnu.org>
546 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
548 2001-08-01 H.J. Lu <hjl@gnu.org>
550 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
552 2001-08-01 Ziemowit Laski <zlaski@apple.com>
554 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
555 contextualizing Objective-C class name lookup by the lexer.
556 (typespec_reserved_nonattr): Disable ObjC class name lookup after
558 (protocoldef): Add support for forward @protocol declarations.
559 (yylexname): Suppress ObjC class name lookup in certain contexts;
560 re-enable after lookup is complete.
561 (_yylex): Re-enable ObjC class name lookup when certain
562 punctuation marks are seen.
564 * objc/objc-act.c (check_protocol_recursively): New function used
565 for finding circular dependencies in protocols.
566 (objc_declare_protocols): New function for handling forward
567 @protocol declarations.
568 (receiver_is_class_object): Detect the case when 'self' is used
569 inside of a class method.
570 (build_message_expr): Issue a warning if class method is desired
571 but instance method is found instead.
572 (conforms_to_protocol): Streamline.
573 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
574 protocol Foo, even if 'Bar foo' does not.
575 (check_protocols): Streamline.
576 (start_protocol): Add checks for circular and duplicate protocol
578 (encode_aggregate_within): For typedefs of structs, encode the
580 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
581 (objc_declare_protocols): New prototype.
583 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
585 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
586 * cpplex.c (handle_newline): Update prototype. Maintain logical
588 (skip_escaped_newlines, skip_block_comment, parse_string):
590 (_cpp_lex_token): Update, and store token position within the token.
591 * cpplib.h (struct cpp_token): Add line and column entries.
592 * cppmacro.c (replace_args): Position stringified tokens correctly.
594 2001-08-01 Andreas Jaeger <aj@suse.de>
596 * basic-block.h: Add prototype for last_loop_beg_note.
598 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
600 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
601 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
603 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
604 while handling WITH_CLEANUP_EXPR node. Use second operand calling
606 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
608 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
609 operand while calling simple_cst_equal.
610 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
611 operand is the cleanup expression, the third is the RTL_EXPR.
612 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
614 2001-07-31 Jeff Sturm <jsturm@one-point.com>
616 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
618 2001-07-31 matthew green <mrg@eterna.com.au>
620 * config.gcc (i386-*-netbsdelf): New description.
621 * config/i386/netbsd-elf.h: New file.
623 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
625 * loop.c (check_dbra_loop): Use single_set to compute
628 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
630 PowerPC reorg and support for powerpc64-*-linux*.
632 Also fixes emitting of constants on 32 bit and 64 bit
635 * config.gcc: powerpc64-*-linux* is a new target.
636 Things that needed aix.h now also include xcoff.h
638 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
640 Move AIX specific stuff into aix.h.
641 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
642 with more than just XCOFF now.
643 (SET_ASM_OP): Remove, now defined where needed.
644 (FUNCTION_PROLOGUE): New macro definition.
645 (FUNCTION_EPILOGUE): New macro definition.
646 (CONST_OK_FOR_LETTER_P): Change N to require that value is
648 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
650 * config/rs6000/xcoff.h: New file.
652 * config/rs6000/linux64.h: New file.
654 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
656 2001-07-31 Alan Modra <amodra@bigpond.net.au>
658 * rs6000.c (print_operand_address): Handle ELF syntax.
659 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
660 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
661 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
663 2001-07-31 David Edelsohn <edelsohn@gnu.org>
665 * rs6000.c (rs6000_override_options): Only disable
666 flag_function_sections for XCOFF.
667 (exact_log2_cint_operand): New predicate.
668 (reg_or_{add,sub}_cint64_operand): New predicates.
669 (add_operand): Compare CONST_INT with fewer function calls.
670 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
671 (print_operand, case 'p'): Ensure positive operand.
672 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
673 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
674 (PREDICATE_CODES): Add new predicates.
675 * rs6000.md (addsi3): Split 32-bit constants more correctly.
676 (divsi3, modsi3): Ensure positive power-of-2.
677 (adddi3): Use new predicate. Split 32-bit constants more
678 correctly. Re-arrange splitter to handle any constant.
679 (subdi3): Use new predicate.
680 (divdi3, moddi3): Ensure positive power-of-2.
681 (movdi): Use rs6000_emit_set_const.
682 (load_toc_v4_pic_di): Delete.
684 2001-07-31 Graham Stott <grahams@redhat.com>
686 * function.c (pad_below): Revert 2001-07-26 patch.
688 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
690 * reg-stack (convert_regs_1): Fix best edge condition.
692 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
694 * jump.c (duplicate_loop_exit_test): Better test for jumps
695 entering the loop; create loop pre_header.
697 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
699 * doc/install.texi: Add s390 and s390x as new targets.
700 * doc/invoke.texi: Add documantation of S/390 and zSeries
702 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
704 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
706 * config/m68k/m68k.md: Replace all general_operand with
707 nonimmediate_operand for all destinations.
708 * config/m68k/m68k.c (not_sp_operand): Likewise.
710 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
712 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
714 2001-07-30 Richard Henderson <rth@redhat.com>
716 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
717 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
719 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
721 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
722 Add missing doc strings
723 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
724 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
726 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
728 * i386.c (ix86_output_main_function_alignment_hack): New function.
729 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
731 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
732 edges by EDGE_DFS_BACK flag.
733 (dump_edge_info): Add dfs_back flag.
734 * basic-block.h (EDGE_DFS_BACK): New constant.
735 (mark_dfs_back_edges): Declare.
736 * alias.c (loop_p): Remove.
737 (mark_constant_function): Use mark_dfs_back_edges.
739 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
740 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
741 (compensate_edge): Break out from ...
742 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
743 (convert_regs_2): Set block_done once block is really done;
744 Do updating of the predecesors counts.
746 * toplev.c (rest_of_compilation): Recompute block_for_insn
747 before post-reload cfg_cleanup.
748 * function.c (thread_prologue_epilogue_insns):
749 Call set_block_for_new_insns when emitting prologue directly.
751 2001-07-30 Andreas Jaeger <aj@suse.de>
753 * jump.c: Add prototype for mark_modified_reg.
755 * cse.c (set_live_p): Add unused attribute.
757 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
759 (scan_for_source_files): Use long for count to avoid overflow.
760 (output_data): Likewise.
761 (output_data): Don't use string concatatenation to silence gcc
764 * predict.c: Fix typos and grammar.
766 * gcse.c (insert_insn_end_bb): Remove unused variables.
768 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
770 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
771 (attempt_auto_inc): LIkewise.
772 (mark_used_reg): Likewise.
773 (try_pre_increment_1): Likewise.
774 * regclass.c (regclass): Likewise.
775 * global.c (allocno_compare): Update comment; change scaling factor.
776 * local-alloc.c (QTY_CMP_PRI): Likewise.
777 * regs.h (REG_FREQ_FROM_BB): New.
778 (REG_FREQ_MAX): Likewise.
780 2001-07-30 H.J. Lu <hjl@gnu.org>
782 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
785 2001-07-30 H.J. Lu (hjl@gnu.org)
787 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
788 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
789 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
791 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
793 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
794 as -mthumb-interwork when -mcpu=arm7 is specified.
796 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
798 * predict.def (noreturn, loop branch, loop exit): Mark as first
801 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
803 * combine.c (try_combine): Avoid barrier after noop jumps.
805 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
807 * cpphash.h (struct cpp_reader): Remove import_warning.
808 * cpplib.c (skip_rest_of_line): Don't bother turning off
810 (parse_include): Move include handling to...
811 (do_include_common): ... here. Move import warning from...
812 (do_import): ... here.
813 (do_pragma_poison): Don't do a callback for poison identifiers.
814 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
815 * cppmain.c (setup_callbacks): Similarly.
817 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
819 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
820 handle multiple sets.
821 * except.c (sjlj_mark_call_sites): .... here.
822 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
824 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
826 Suggested by Richard Henderson and Richard Kenner:
827 * combine.c (recog_for_combine): Use the fake recog
828 only if instruction does not match.
829 * rtl.h (NOOP_MOVE_INSN_CODE): New.
830 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
832 * combine.c (try_combine): Discover noop jump as direct jump.
834 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
836 * df.c (df_rd_global_compute): Add successors to worklist, not
838 (df_ru_global_compute): Ditto.
840 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
842 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
843 increment REG_N_SETS.
845 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
847 * sbitmap.h: New prototype for sbitmap_a_xor_b.
849 * sbitmap.c (sbitmap_a_xor_b): New function.
850 ifdef the basic block stuff on IN_GCC.
852 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
854 * cppexp.c (parse_defined): Always record the macro name.
855 (lex): Don't worry about identifiers, or special-case
857 (_cpp_parse_expr): Figure out at the end of the routine
858 whether we saw a valid !defined() expression.
859 * cppfiles.c (stack_include_file): Update for mi_valid.
860 (_cpp_pop_file_buffer): Similarly.
861 * cpplex.c (_cpp_lex_token): Similarly.
862 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
863 mi_if_not_defined, mi_lexed): Remove.
865 * cpplib.c (do_if): Simplify.
866 (do_endif, push_conditional, _cpp_handle_directive): Update
867 for renaming of mi_state to mi_valid.
869 * cpp.texi: Add index entries for digraphs, and add comment
870 that C++ refers to them as alternative tokens.
872 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
874 * basic-block.h (CLEANUP_PRE_LOOP): New.
875 * except.c (finish_eh_generation): Update call of cleanup_cfg.
876 * sibcall.c (optimize_sibling_calls): Likewise.
877 * toplev.c (rest_of_compilation): Likewise.
878 * flow.c (try_forward_edges): Take argument MODE;
879 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
880 (try_optimize_cfg): Update call of try_forward_edges.
882 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
883 Jan Hubicka <jh@suse.cz>
885 * (validate_replace_rtx_1): Fix simplification of MINUS.
887 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
890 * cppinit.c (init_dependency_output): Turn off dump requests
891 if sending dependencies to stdout.
893 2001-07-28 Richard Henderson <rth@redhat.com>
895 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
898 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
900 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
902 2001-07-28 Kazu Hirata <kazu@hxi.com>
904 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
905 is VAR_DECL first to prevent an ICE.
907 2001-07-28 Richard Henderson <rth@redhat.com>
909 * varasm.c (immed_real_const_1): Don't elide special cases for
911 (clear_const_double_mem): Clear const_tiny_rtx too.
913 2001-07-28 Richard Henderson <rth@redhat.com>
915 * dwarf2out.c (dw_val_class_offset): New.
916 (struct dw_ranges_struct, dw_ranges_ref): New.
917 (ranges_table, ranges_table_allocated): New.
918 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
919 (add_AT_offset, add_ranges, output_ranges): New.
920 (print_die, output_die): Handle dw_val_class_offset.
921 (attr_checksum, size_of_die, value_format): Likewise.
922 (gen_lexical_block_die): Handle non-contiguous blocks.
923 (gen_block_die): Likewise.
924 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
925 if needed. Dump the ranges table.
926 * final.c (final_start_function): Remove unnecessary notes and
927 rebuild the block tree before numbering the blocks.
928 * function.c (reorder_blocks_0): Walk the existing block tree
929 to unmark all blocks.
930 (reorder_blocks_1): Create block fragments when duplicate block
932 (reorder_fix_fragments): New.
933 (reorder_blocks): Call it.
934 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
936 2001-07-28 Richard Henderson <rth@redhat.com>
938 * emit-rtl.c (adjust_address): Make a copy of the memory address.
940 2001-07-28 Richard Henderson <rth@redhat.com>
942 * flow.c (add_to_mem_set_list): New function.
943 (init_propagate_block_info): Use it.
944 (mark_set_1): Likewise.
945 (insn_dead_p): Canonicalize memory address for dead store
946 comparison. Allow wider mode stores to kill narrower mode stores.
947 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
948 (invalidate_mems_from_set): Don't handle MEMs.
950 2001-07-28 Kazu Hirata <kazu@hxi.com>
952 * config/h8300/h8300.h: Fix formatting.
954 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
956 * basic-block.h (EDGE_FREQUENCY): New macro.
957 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
959 * flow.c (find_sub_basic_blocks): Likewise.
960 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
961 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
963 * predict.c (DEF_PREDICTOR): New argument FLAGS.
964 (HITRATE): New macro.
965 (PRED_FLAG_FIRST_MATCH): New constant.
966 (predictor_info): New field flgags.
967 (combine_predictions_for_insn): Use DS theory to combine
968 probabilities; set the edge probabilities when finished.
969 (estimate_probability): Avoid duplicated matches
970 of LOOP_BRANCH heuristics for nested loops; update comment.
971 * predict.def: Add flags for each prediction, set probabilities
972 according to B&L paper.
973 * predict.h (DEF_PREDICTOR): New argument FLAGS.
975 * profile.c (compute_branch_probabilities): Cleanup way the edge
976 probabilities are computed and REG_BR_PROB notes are dropped; if
977 values does not match, emit error.
978 (init_branch_prob): Do error instead of warning when profile driven
979 feedback is missing or corrupt.
981 2001-07-27 DJ Delorie <dj@redhat.com>
983 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
984 against a constant, try to adjust the compare to have the desired
985 constant in it so that min/max optimizations happen more often.
987 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
989 * flow.c (last_loop_beg_note): New function.
990 (redirect_edge_and_branch): Use it.
991 (split_edge): Likewise.
993 * alias.c (loop_p): Avoid uninitialized memory access.
995 * flow.c (try_forward_edges): Avoid accessing freed memory.
997 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1000 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1002 * doc/install.texi (Configuration): Properly link the host
1003 specific instructions also when generating HTML.
1005 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1007 * flow.c (redirect_edge_and_branch_force): Test
1008 target->global_live_at_start.
1010 2001-07-26 Richard Henderson <rth@redhat.com>
1012 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1013 * rtl.h (avoid_constant_pool_reference): Declare it.
1014 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1015 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1017 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1019 * rtl.h (cleanup_barriers): Declare.
1020 * jump.c (cleanup_barriers): New function.
1021 * toplev.c (rest_of_compilation): Call cleanup_barriers
1022 before loop optimizer and after bb_reorder.
1024 * flow.c (back_edge_of_syntactic_loop_p): New.
1025 (split_edge): Use it.
1027 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1029 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1031 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1033 * cse.c (cse_process_notes): Replace any registers if the address
1036 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1038 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1039 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1040 (propagate_block): Update prototype.
1041 * flow.c (update_life_info): Simplify the CFG and
1042 recalculate the global regs which are alive when
1043 removing dead code during a global update.
1044 (propagate_block): Return non-zero if an INSN is
1047 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1049 * Makefile.in (LIBICONV): Define.
1051 2001-07-26 Catherine Moore <clm@redhat.com>
1053 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1054 of conditional to avoid tree checking errors.
1056 2001-07-26 Kazu Hirata <kazu@hxi.com>
1058 * regmove.c (regmove_optimize): Don't replace a reg with
1059 another reg of a different mode.
1061 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1063 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1064 limit length of dependancy flush list.
1065 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1066 * sched-int.h (struct deps): Add pending_flush_length field.
1067 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1068 has 1 element in it.
1069 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1070 (sched_analyze): After a jump, if the pending memory flush list is too
1071 large, flush the pending lists.
1072 (init_deps): Initialize pending_flush_length to 0.
1073 * doc/invoke.texi (max_pending_list_length): Document parameter.
1075 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1078 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1079 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1081 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1083 * cpphash.h (struct_lexer_state): Delete was_skipping.
1084 Move skipping here from struct cpp_reader.
1085 * cpplex.c (parse_identifier): Update.
1086 (_cpp_lex_token): Don't skip tokens in a directive.
1087 * cpplib.c (struct if_stack): Update.
1088 (start_directive, end_directive): Don't change skipping state.
1089 (_cpp_handle_directive): Update.
1090 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1091 (do_else, do_endif): Update; only check for excess tokens if not
1092 in a skipped conditional block.
1093 (push_conditional): Update for new struct if_stack.
1095 2001-07-26 Graham Stott <grahams@redhat.com>
1097 * function.c (locate_and_pad_parm): Also pad initial offset
1098 so that the total argument size also includes the padding.
1100 2001-07-26 Graham Stott <grahams@redhat.com>
1102 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1103 change XSTR to XTMPL.
1105 (process_one_cond_exec): Likewise
1107 2001-07-25 Richard Henderson <rth@redhat.com>
1109 * varasm.c (assemble_variable): Create DECL_RTL before setting
1112 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1114 * predict.c (estimate_probability): Avoid duplicated predictions.
1116 * loop.c (find_and_verify_loops): Grok multiple barriers.
1118 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1120 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1122 * dbxout.c: Consistently use putc instead of fputc.
1123 (print_wide_int): New function; call instead of direct fprintf.
1124 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1125 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1126 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1127 (print_int_cst_octal): Likewise.
1128 (print_octal): Show we wrote characters.
1129 (dbxout_type): Set have_used_extensions in more places.
1131 2001-07-25 Catherine Moore <clm@redhat.com>
1133 * config/v850/v850.c (v850_va_arg): Use addr
1134 instead of valist to build incr.
1136 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1138 * flow.c (delete_dead_jumptables): New function.
1139 (life_analyzis): Call it.
1140 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1143 2001-07-25 Richard Henderson <rth@redhat.com>
1145 * except.c (reachable_handlers): Handle a region being removed
1146 out from under a RESX.
1148 2001-07-25 Richard Henderson <rth@redhat.com>
1150 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1151 swap GE/GT if it is an fp comparison.
1153 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1155 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1158 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1160 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1161 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1164 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1166 (visit_expression): When attempting to simplify an expression,
1167 retrieve any modes for arguments before they are simplified
1170 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1171 Janis Johnson <janis@us.ibm.com>
1173 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1174 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1175 pointer parameters to match documented usage of nonlocal_goto.
1176 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1177 parameters to their correct order.
1178 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1179 parameters to their correct order.
1181 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1183 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1185 2001-07-25 Jan Hubicka <jh@suse.cz>
1186 Richard Henderson <rth@redhat.com>
1188 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1190 (make_edges): New argument update_p; populate the edge cache if set.
1191 (find_basic_blocks): Update make_edges invocation.
1193 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1195 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1197 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1199 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1200 -Acpu and -Amachine.h.
1201 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1202 Corrected header to say ELF not a.out.
1203 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1204 when given -msoft-float.
1206 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1208 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1209 extra multilib parts like arm-elf.
1210 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1211 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1212 crtfini.o as extra multilib parts.
1214 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1216 * configure.in: Add rtems as a supported thread model.
1217 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1218 * configure: Rebuilt.
1220 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1222 * stor-layout.c (get_mode_alignment): make it work when
1223 BITS_PER_UNIT is not a power of two.
1224 * builtins.c (get_pointer_alignment): Likewise.
1226 2001-07-24 Richard Henderson <rth@redhat.com>
1228 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1229 the retrieved constant into the expected mode.
1231 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1233 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1234 (verify_flow_info): Check for duplicated edges; clarify
1237 * flow.c (block_label): Update basic_block_for_insn.
1238 (commit_edge_insertions): Call compute_bb_for_insn.
1240 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1243 * flow.c (redirect_edge_and_branch,
1244 try_optimize_cfg): Use redirect_edge_succ_nodup
1245 (redirect_edge_succ_nodup): New.
1246 * basic_block.h (redirect_edge_succ_nodup): Declare.
1248 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1251 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1253 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1254 (try_crossjump_to_edge): Update commetns.
1255 (try_crossjump_bb): Likewise.
1257 2001-07-24 Richard Henderson <rth@redhat.com>
1259 * combine.c (distribute_notes): Move set of need_refresh
1260 for noop_move_p down to catch all cases.
1262 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1264 * recog.c (split_all_insns_noflow): New.
1265 * rtl.h (split_all_insns_noflow): Declare.
1266 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1267 * m68hc11.c (m68hc11_reorg): Likewise.
1268 * sh.c (machine_dependent_reorg): Likewise.
1269 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1272 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1274 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1275 (ashlsi3_n splitter): Likewise.
1276 (lshrsi3_n splitter): Likewise.
1278 (GOTaddr2picreg): Make const SImode.
1279 (sym_label2reg): Likewise.
1280 (symGOT2reg): Likewise.
1281 (symGOTOFF2reg) Likewise.
1283 (casesi_worker_0): Make unspec SImode.
1285 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1287 * config/sh/sh.c (barrier_align): Check that an operand really is
1288 an insn before extracting its INSN_CODE.
1290 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1292 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1295 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1296 for SImode to prevent overflow.
1298 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1300 * config/mips/irix6-libc-compat.c: New file.
1301 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1302 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1305 2001-07-24 lars brinkhoff <lars@nocrew.org>
1307 * rtl.texi (REG_POINTER): Document.
1308 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1309 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1311 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1313 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1315 2001-07-23 Richard Henderson <rth@redhat.com>
1317 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1319 2001-07-23 Kazu Hirata <kazu@hxi.com>
1321 * config/h8300/h8300-protos.h: Add a prototype for
1322 general_operand_dst_push.
1323 * config/h8300/h8300.c (general_operand_dst_push): New.
1324 * config/h8300/h8300.h (OK_FOR_T): New.
1325 (EXTRA_CONSTRAINT): Use it.
1326 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1327 the existing movqi pattern.
1328 (movhi_push): Likewise.
1330 * reload.c: Fix comment typos.
1332 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1334 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1336 2001-07-23 H.J. Lu (hjl@gnu.org)
1338 * doc/extend.texi: Update __builtin_return_address and
1339 __builtin_frame_address.
1341 2001-07-23 Richard Henderson <rth@redhat.com>
1343 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1345 * config/i386/i386.md: New setcc+movzbl peephole2.
1347 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1349 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1350 * objc/objc-act.c: Include debug.h.
1351 (synth_module_prologue): Save and restore debug hooks too.
1353 2001-07-23 lars brinkhoff <lars@nocrew.org>
1355 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1356 and C4X_FLOAT_FORMAT.
1357 (BOOL_TYPE_SIZE): Document.
1359 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1361 * unroll.c (loop_iterations): Fix miscalculation of initial
1364 2001-07-13 Andrew Haley <aph@redhat.com>
1366 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1367 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1368 * config/sh/sh.c (sh_can_redirect_branch): New function.
1369 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1370 * reorg.c (steal_delay_list_from_target): Use
1371 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1373 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1375 * flow.c (try_simplify_condjump): Unlink insn chain on
1376 fallthru edge; use can_fallthru.
1378 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1380 * basic-block.h (find_sub_basic_block): Declare.
1381 * flow.c (make_edges): New arguments MIN and MAX;
1382 (find_sub_basic_blocks): Revamp to use make_edges
1383 and purge_dead_edges.
1384 (find_basic_blocks): Update call of find_sub_basic_block.
1386 * recog.c (split_all_insns): Always expect CFG to be consistent;
1387 call find_sub_basic_blocks in case something has changed.
1388 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1391 * basic-block.h (delete_noop_moves): Declare.
1392 * combine.c (combine_instructions): Call it.
1393 (recog_for_combine): Tolerate noop moves
1394 (distribute_notes): Force refresh when register dies at noop move.
1395 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1397 (life_analysis): Update delete_noop_moves call.
1398 (set_noop_p): Move too ...
1399 * rtlanal.c (noop_move_p): ... here.
1400 * rtl.h (noop_move_p): Declare.
1402 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1403 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1405 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1406 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1408 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1410 * reload.c (push_reload): Fix typo in comment.
1411 (find_reloads_address): Ditto.
1412 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1414 2001-07-22 Richard Henderson <rth@redhat.com>
1416 * flow.c: Grammar check and clarify a lot of comments.
1417 (try_simplify_condjump): Rename variables to be clearer.
1418 (try_forward_edges): Skip complex and fallthru edges.
1419 Rearrange tests to avoid duplicate checks.
1420 (flow_find_cross_jump): Likewise.
1421 (outgoing_edges_match): Allow match if neither branch has
1422 probability data. Loosen probability match to 5%.
1423 (try_crossjump_to_edge): Hoist repeated indirection into
1425 (try_crossjump_bb): Don't check complex edges. Eliminate
1426 redundant crossjump tests.
1427 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1428 checks before more expensive checks.
1430 2001-07-22 Richard Henderson <rth@redhat.com>
1432 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1433 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1436 2001-07-22 Richard Henderson <rth@redhat.com>
1438 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1439 (const_sint32_operand): Likewise.
1440 * m68k.md (anon mulsi pattern): Use const_int_operand not
1441 const_sint32_operand.
1442 (umulsi3_highpart): Zero extend a constant input.
1443 (smulsi3_highpart): Don't bother checking SImode constant.
1444 (const_umulsi3_highpart): Give op3 DImode.
1445 (const_smulsi3_highpart): Likewise.
1447 2001-07-22 Richard Henderson <rth@redhat.com>
1449 * flow.c (split_block): Make sure bb_note is included in the
1450 new block when splitting before a label.
1452 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1454 * basic-block.h (redirect_edge_and_branch_force,
1455 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1456 * flow.c (redirect_edge_and_branch_force,
1457 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1458 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1459 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1460 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1461 instead of label; update CFG after transformation.
1462 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1463 for finishing the transformation; handle even case where ELSE
1464 does not follow THEN.
1465 (find_if_case_2): Update call of dead_or_predictable; simplify
1468 * emit-rtl.c (split_branch_probability): New global variable.
1469 (try_split): Take care to set split_branch_probability and
1470 create REG_BR_PROB note for new jump insns.
1471 * md.texi (define_split): Document new feature.
1473 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1475 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1477 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1478 (asm_out_file): Remove redundant declaration.
1479 (assemble_asm): Remove old #if 0 block.
1480 (assemble_variable): Remove end of function; debug output is
1481 now handled with global_decl. Remove old #if 0 block. Update.
1482 Remove saved_in_section and associated no-op code.
1483 * Makefile.in (varasm.o): Correct dependencies.
1485 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1487 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1488 the definition in defaults.h.
1490 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1492 * jump.c: Update comments.
1493 (delete_barrier_successors, delete_unreferenced_labels,
1494 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1495 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1496 jump_optimize, jump_optimize_minimal): Kill.
1497 (rebuild_jump_labels): Move code from jump_optimize_1.
1498 (purge_line_number_notes): Likewise.
1499 (copy_loop_headers): Likewise.
1500 * reg-stack.c: Update comment.
1502 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1503 JUMP_AFTER_REGSCAN): Kill.
1504 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1505 purge_line_number_notes and copy_loop_headers.
1507 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1508 Richard Henderson <rth@redhat.com>
1510 * dbxout.c (dbxout_global_decl): New.
1511 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1512 * sdbout.c (sdbout_finish): New.
1513 (sdbout_debug_hooks): Use it, add comments.
1514 (sdbout_global_decl): Defer initialised public vars to
1516 * varasm.c (assemble_variable): Don't output debug information
1517 for file-scope variables.
1519 2001-07-22 Richard Henderson <rth@redhat.com>
1521 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1522 (get_round_mode_suffix): New.
1523 (print_operand): Use them for [/]. Remove support for [&'`()+].
1524 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1525 * config/alpha/alpha.md (attr round_suffix): New.
1526 (attr trap_suffix): New.
1527 (all insns): Set them appropriately. Use %/ instead of the
1530 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1532 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1534 2001-07-22 Richard Henderson <rth@redhat.com>
1536 * regrename.c (regrename_optimize): Compute nregs for each
1537 potential target register.
1539 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1540 Richard Henderson <rth@redhat.com>
1542 * dbxout.c (dbxout_global_decl): New.
1543 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1544 * sdbout.c (sdbout_finish): New.
1545 (sdbout_debug_hooks): Use it, add comments.
1546 (sdbout_global_decl): Defer initialised public vars to
1548 * varasm.c (assemble_variable): Don't output debug information
1549 for file-scope variables.
1551 2001-07-21 H.J. Lu (hjl@gnu.org)
1553 * config/mips/mips.c (mips_cpu): Moved into ...
1554 (override_options): Here.
1556 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1558 (mips_cpu): Removed.
1560 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1562 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1563 ("iorqi3"): Likewise.
1564 ("xorqi3"): Likewise.
1565 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1566 ("*subhi3_sp): Likewise.
1567 ("*subhi3"): Likewise.
1568 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1571 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1573 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1574 * config/freebsd.h: Likewise.
1575 * config/linux.h: Likewise.
1576 * config/openbsd.h: Likewise.
1577 * config/alpha/linux-elf.h: Likewise.
1578 * config/arm/linux-elf.h: Likewise.
1579 * config/d30v/d30v.h: Likewise.
1580 * config/fr30/fr30.h: Likewise.
1581 * config/ia64/aix.h: Likewise.
1582 * config/ia64/ia64.h: Likewise.
1583 * config/mips/linux.h: Likewise.
1584 * config/pj/pj.h: Likewise.
1585 * config/rs6000/linux.h: Likewise.
1586 * config/sparc/linux.h: Likewise.
1587 * config/sparc/linux64.h: Likewise.
1589 2001-07-20 Bruce Korb <bkorb@gnu.org>
1591 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1592 because getc() and char* may disagree on signedness.
1594 2001-07-20 Richard Henderson <rth@redhat.com>
1596 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1598 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1599 insns to delete in the presence of cc0 in a jump insn.
1601 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1602 Jan Hubicka <jh@suse.cz>
1604 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1605 of doing the change by hand.
1607 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1609 * rtlanal.c (set_noop_p): Return true for noop jumps.
1611 * expr.c (emit_single_push_insn): Add call to push expander.
1612 * expr.h (optab_index): Add OTI_push
1613 (push_optab): New constant.
1614 * genopinit.c (optabs): Add push_optab.
1615 * optabs.c (init_optab): Init push optab.
1616 * md.texi (push??1): Document
1618 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1620 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1621 expand to emit the pattern; put a REG_INC note for push/pop
1623 ("movdf", "movdf_internal"): Likewise.
1624 ("movsi", "movsi_internal"): Likewise.
1625 ("movsf", "movsf_internal"): Likewise.
1626 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1628 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1630 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1633 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1635 * params.def: Change default max inline insns to 100.
1637 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1639 * combine.c (combine_simplify_rtx): Generate a new shift operation
1640 when simplifying the first operand of a (neg (ashift)) expression.
1642 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1644 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1646 2001-07-20 Kelley Cook <kelley.cook@home.com>
1648 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1649 information. Move rest into ...
1650 (*-*-solaris): ... here. Eliminate redundant information and
1651 reword necessary packages section. Delete 4.x assembler bug info.
1652 (sparc-sun-*): Merge into ...
1653 (sparc-sun-sunos*): here.
1655 2001-07-20 Catherine Moore <clm@redhat.com>
1657 * config/v850/v850.md (casesi): Generate LABEL_REF
1660 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1662 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1663 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1664 * i386.md (strclrsi expander): Use it.
1666 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1668 * integrate.c (copy_insn_list): handle
1669 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1670 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1671 identically as to CODE_LABEL.
1673 * fold-const (fold): Convert A/B/C to A/(B*C) and
1676 * except.c (connect_post_landing_pads): Delete the RESX insns.
1678 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1680 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1682 * config/mips/mips.md (nmadd/nmsub): Use macro.
1684 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1686 * cppinit.c (remove_dup_dir): Make static.
1687 (remove_dup_dirs): Make static. Only warn about preempting a
1688 system directory with a non-system directory.
1690 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1692 * ifcvt.c (noce_try_store_flag_constants): Correct order
1693 of parameters to trunc_int_for_mode.
1695 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1697 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1698 an exception that will be caught within this function, do not fill
1699 its delay slot with any subsequent instruction.
1701 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1703 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1704 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1705 pointer extension instruction.
1706 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1707 * simplify-rtx.c (simplify_unary_operation) Likewise.
1708 * explow.c (convert_memory_address) Check value of
1709 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1711 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1712 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1713 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1714 Add Multilib Support.
1715 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1716 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1717 Add Multilib Support.
1718 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1720 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1721 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1722 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1724 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1726 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1727 old and new operands in `<', `3' and `b'.
1729 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1731 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1732 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1733 (toplev.o): Don't depend on xcoffout.h.
1734 * c-decl.c: Include debug.h
1735 (duplicate_decls): Use debug hook.
1736 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1737 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1738 (dbxout_types): Remove.
1739 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1740 * debug.c (do_nothing_debug_hooks): Update.
1741 (debug_true_tree, debug_nothing_rtx): New.
1742 * debug.h (struct rtx_def): New.
1743 (struct gcc_debug_hooks): New hooks ignore_block,
1744 outlining_inline_function and label.
1745 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1746 dwarf2out_frame_finish): New.
1747 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1748 Make static, update prototype.
1749 (dwarf2_debug_hooks): Update.
1750 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1751 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1752 * dwarfout.c (dwarf_debug_hooks): Update.
1753 * emit-rtl.c: Include debug.h.
1754 (remove_unnecessary_notes): Use debug hook.
1755 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1756 (final_scan_insn): Use debug hook.
1757 * integrate.c (output_inline_function): Use debug hook.
1758 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1759 (sdb_debug_hooks): Update.
1760 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1761 * toplev.c: Don't include xcoffout.h.
1762 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1763 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1765 * tree.h (dwarf2out_do_frame): Remove.
1767 2001-07-19 Catherine Moore <clm@cygnus.com>
1769 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1771 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1773 * reload1.c (eliminate_regs_in_insn): When updating a set
1774 to the frame pointer to the hardware frame pointer, perform
1775 the update always not just when REPLACE is set.
1777 * reload1.c (choose_reload_regs): Don't inherit a reload
1778 that crosses multiple registers if registers past the first
1779 don't fit in the desired class.
1781 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1782 when negating constants.
1784 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1786 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1787 * doc/tree.texi: Ditto.
1789 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1790 Jakub Jelinek <jakub@redhat.com>
1792 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1793 (extract_cie_info): Handle "eh" augmentation properly,
1795 (struct frame_state, __frame_state_for): New.
1797 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1799 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1800 HANDLE_SYSV_PRAGMA): Define.
1801 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1803 (copy_object): Caller changed.
1805 2001-07-19 Andreas Schwab <schwab@suse.de>
1807 * configure.in (assembler dwarf2 debug_line support): Define nop
1809 * configure: Regenerated.
1811 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1813 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1815 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1816 to conditionally compiled block.
1817 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1818 * dbxout.h (dbxout_function): Remove.
1819 * debug.c (do_nothing_debug_hooks): Update.
1820 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1821 global_decl, deferred_inline_function.
1822 * dwarf2out.c (dwarf2_debug_hooks): Update.
1823 (dwarf2out_global_decl): New.
1824 * dwarfout.c: Don't include dwarfout.h.
1825 (dwarfout_global_decl, dwarfout_function_decl,
1826 dwarfout_deferred_inline_function): New.
1827 (dwarf_debug_hooks): Update.
1828 * dwarfout.h: Remove.
1829 * final.c: Don't include dwarfout.h.
1830 * sdbout.c (sdbout_global_decl): New.
1831 (sdbout_debug_hooks): Update.
1832 * toplev.c: Don't include dwarfout.h.
1833 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1834 (note_deferral_of_defined_inline_function): Remove.
1835 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1836 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1837 * ch/lex.c: Don't include dwarfout.h.
1838 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1839 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1840 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1841 * cp/optimize.c: Include debug.h.
1842 (maybe_clone_body): Use debug hook.
1843 * cp/semantics.c: Include debug.h.
1844 (expand_body): Use debug hook.
1845 * po/POTFILES.in: Remove dwarfout.h.
1847 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1849 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1850 * c-parse.in (yyerror, _yylex): Similarly.
1851 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1852 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1854 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1855 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1857 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1859 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1860 in-class declaration at -g1. Fixes c++/2814.
1862 2001-07-18 Richard Henderson <rth@redhat.com>
1864 * doc/md.texi (reload_in/out): Document restrictions in predicates
1865 and constraints for these patterns. Document empty string matching
1868 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1870 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1872 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1874 * cse.c: Undo my previous patch.
1876 2001-07-18 Tom Tromey <tromey@redhat.com>
1879 * configure: Rebuilt.
1880 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1882 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1884 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1885 Jan Hubicka <jh@suse.cz>
1887 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1888 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1889 * jump.c (mark_jump_label): Do not forward branches.
1891 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1893 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1894 when return value is unused.
1896 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1898 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1900 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1902 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1903 on error. We can't blindly return the result of
1904 pthread_mutex_trylock because it returns a positive number on
1905 error, while we must return -1 on error.
1906 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1908 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1910 2001-07-18 Andreas Jaeger <aj@suse.de>
1912 * integrate.c (output_inline_function): Correct type of debug_hooks.
1914 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1916 * combine.c (combine_simplify_rtx): DIV can be treated
1917 associatively for floats if unsafe math optimisations are enabled.
1919 2001-07-17 Richard Henderson <rth@redhat.com>
1921 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1923 2001-07-17 Richard Henderson <rth@redhat.com>
1925 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1926 don't force the function address into a register.
1927 (expand_call, emit_library_call_value_1): Update callers.
1928 * builtins.c (expand_builtin_apply): Likewise.
1929 * expr.h (prepare_call_address): Update decl.
1931 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1933 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1935 * config/i386/chorus.h: Move up.
1936 * config/sparc/chorus.h: Likewise.
1937 * config/rs6000/chorus.h: Likewise.
1938 * config/chorus.h: Moved here.
1940 2001-07-17 Andreas Schwab <schwab@suse.de>
1942 * configure.in (assembler eh_frame optimization): Handle big
1944 * configure: Regenerated.
1946 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1948 * expr.c (epxand_expr): Convert divisions into multiplications by
1949 reciprocals if -ffast-math.
1951 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1953 * dbxout.c (dbxout_really_begin_function): Rename to
1954 dbxout_begin_function.
1955 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1956 (dbxout_begin_function): Remove.
1957 (dbxout_function): Update.
1958 (dbxout_source_line): Update prototype.
1959 * dbxout.h (dbxout_begin_function): Remove.
1960 * debug.c (do_nothing_debug_hooks): Update.
1961 (debug_nothing_tree): Update.
1962 (debug_nothing_charstar_rtx): Remove.
1963 * debug.h (union tree_node): Declare.
1964 (struct rtx_def): Remove.
1965 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1966 begin_function. Change source_line prototype.
1967 (debug_nothing_tree): New.
1968 (debug_nothing_charstar_rtx): Delete.
1969 (dwarf2out_begin_prologue): Moved from ...
1971 * dwarf2out.c (dwarf2_debug_hooks): Update.
1972 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1973 debug info, call dwarf2out_source_line.
1974 (dwarf2out_souce_line): Update prototype.
1975 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1976 Change prototype, make static.
1977 (dwarfout_source_line): Update prototype.
1978 (dwarf_debug_hooks): Update.
1979 * dwarfout.h (dwarfout_begin_function): Remove.
1980 * final.c (final_start_function, final_scan_insn): Use appropriate
1981 debug hooks, update to use notice_source_line.
1982 (output_source_line): Rename notice_source_line. Don't call the
1983 source_line debug hook.
1984 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1985 make static, update prototype.
1986 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1988 (sdbout_end_prologue): New.
1989 (sdbout_source_line): Update prototype.
1990 (sdbout_debug_hooks): Update.
1991 (sdbout_symbol): Remove unused var.
1992 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1994 * varasm.c: Include debug.h.
1995 (assemble_start_function): Use begin_function debug_hook.
1996 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1997 update with prototype.
1998 (xcoffout_source_line): Update prototype.
1999 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2001 (xcoffout_source_line): Update prototype.
2003 2001-07-17 Richard Henderson <rth@redhat.com>
2005 * c-typeck.c (build_binary_op): Do not shorten unsigned
2006 right shift after sign extension.
2008 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2010 * combine.c (combine_simplify_rtx): Attempt to simplify
2011 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2013 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2014 (simplify_binary_operation, simplify_unary_operation,
2015 simplify_relational_operation): Use it.
2017 * combine.c (combine_simplify_rtx): Don't do associative law
2018 on divisions; allow associative law on floats.
2020 2001-07-17 H.J. Lu <hjl@gnu.org>
2021 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2023 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2024 ASM_OUTPUT_WEAK_ALIAS are defined.
2025 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2026 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2028 * config/mips/iris5.h: ... here.
2029 (HANDLE_SYSV_PRAGMA): Defined as 1.
2030 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2031 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2034 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2036 * c-parse.in (all_prefix_attributes): New variable.
2037 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2038 (maybe_resetattrs): New production.
2039 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2040 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2041 notype_initdcl, nested_function, notype_nested_function,
2042 component_decl, components, components_notype,
2043 component_declarator, component_notype_declarator,
2044 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2045 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2046 after a comma being applied to more than one declarator.
2047 * doc/extend.texi (Attribute Syntax): Update. Remove
2048 documentation of bugs that are no longer present.
2050 2001-07-13 Eric Christopher <echristo@redhat.com>
2052 * config/mips/mips.h: Change TUNE_MIPS* options to use
2054 (EXTRA_SPECS): Add cc1_cpu_spec.
2055 * config/mips/mips.md (muldf3): Fix typo.
2057 2001-07-16 Richard Henderson <rth@redhat.com>
2059 * config/m68k/m68k.c: Include expr.h and reload.h.
2060 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2061 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2063 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2064 Richard Henderson <rth@redhat.com>
2066 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2067 (insn_live_p): Fix fall off end of function.
2068 (dead_libcall_p): Remove COUNTS argument; update callers.
2069 (delete_trivially_dead_insns): Remove unused variables.
2071 2001-07-17 Andreas Jaeger <aj@suse.de>
2073 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2076 * lcm.c (optimize_mode_switching): Avoid warning for unused
2077 variable if !NORMAL_MODE.
2079 * flow.c (try_crossjump_to_edge): Remove unused variable.
2081 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2083 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2084 atexit declaration in stdlib.h.
2086 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2088 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2090 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2092 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2093 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2094 do rebuild_jump_labels instead of jump_optimize
2095 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2096 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2097 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2099 * flow.c: Include timevar.h
2100 (find_basic_block): Push/pop timevar;
2101 (cleanup_cfg): Likewise.
2102 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2103 * Makefile: Add dependencies on timevar.h
2105 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2106 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2108 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2109 * toplev.c (rest_of_compilation): Update calls.
2110 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2111 (delete_trivially_dead_insns): ... here; accept new argument
2112 preserve_basic_blocks; preserve basic blocks if set.
2114 * reg-stack.c (stack_regs_mentioned): Return 0 if
2115 stack_regs_mentioned_data is not initialized.
2116 (reg_to_stack): Make stack_regs_mentioned survive after the
2117 reg-stack is completted; do not call cleanup_cfg.
2118 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2119 make cleanup_cfg after bb-reorder to output to debug file.
2121 2001-07-16 Richard Henderson <rth@redhat.com>
2123 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2124 from int_reg_class_contents.
2126 2001-07-16 Richard Henderson <rth@redhat.com>
2128 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2129 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2130 (init_reg_sets_1): Move initialization from cse_main.
2131 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2132 (cse_main): Move its initialization also.
2133 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2134 * flow.c (propagate_one_insn): Likewise.
2135 * gcse.c (compute_hash_table): Likewise.
2136 (compute_kill_rd, compute_store_table): Likewise.
2137 * sched-deps.c (sched_analyze_1): Likewise.
2139 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2141 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2144 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2146 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2147 in if statement so we don't access undefined memory.
2149 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2151 * gcse.c: Update comment at top.
2152 Update comment on mem handling.
2153 mem_last_set, mem_first_set, mem_set_in_block: gone.
2154 Declaration of reg_set_info: gone.
2155 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2156 pointless with load_killed_in_block_p (they are *more*
2157 conservative then it, not less, and less accurate).
2158 (oprs_not_set_p): Ditto.
2159 (alloc_gcse_mem): Don't allocate mem_set_in_block
2160 (free_gcse_mem): Don't free it, either.
2161 (record_last_mem_set_info): Update comment in front, remove
2162 mem_*set_* stuff. Note the reason we don't handle stores directly
2164 (compute_hash_table): Update comments to reflect reality. Remove
2165 mem_*set_* references.
2166 (reset_opr_set_tables): Remove mem_*set_* references.
2168 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2169 (mark_clobber): Ditto (on both parts, we double set here too).
2170 (expr_killed_p): Remove mem_set_in_block test.
2171 (compute_transp): Remove mem_set_in_block test.
2173 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2174 of edge, and removal of phi alternative to dump file.
2175 (ssa_ccp_substitute_constants): Add note about register now being
2176 constant, and which uses were replaced in what insns to dump file.
2178 2001-07-16 Andreas Jaeger <aj@suse.de>
2180 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2181 variables of type HOST_WIDEST_INT.
2183 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2184 (__bb_exit_func): Correct type of count_max to avoid overflow.
2185 (num_digits): Handle long long argument.
2187 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2189 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2191 * output.h (sdb_begin_function_line): Restore as an extern
2193 * sdbout.c (sdb_begin_function_line): Make extern.
2195 2001-07-15 Richard Henderson <rth@redhat.com>
2197 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2198 * genrecog.c (maybe_both_true_mode): New.
2199 (maybe_both_true_2): Use it.
2200 (write_switch): Don't put Pmode in a switch.
2201 * rtl.c (mode arrays): Don't explicitly size them.
2203 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2205 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2206 handling; move unconditional splitting before mode switching.
2208 * i386.md (type): Add fistp type.
2209 (i387, length_attr, scheduling definitions): Handle this type.
2210 (fix_trunc?f?i2): Revamp to use mode switching.
2211 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2212 * i386.h (fp_cw_mode): New enum
2213 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2214 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2216 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2218 * Makefile.in (integrate.o): Add debug.h.
2219 * integrate.c (debug.h): Add.
2220 (output_inline_function): Save, reset, and restore debug_hooks.
2222 2001-07-15 Richard Henderson <rth@redhat.com>
2224 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2225 instead of COMPARE for the EQUIV expression.
2227 2001-07-15 Richard Henderson <rth@redhat.com>
2229 * flow.c (redirect_edge_and_branch_force): Initialize
2230 global_live_at_start and global_live_at_end.
2231 (allocate_bb_life_data): Export.
2232 * basic-block.h (allocate_bb_life_data): Declare.
2233 * toplev.c (rest_of_compilation): Call it.
2235 2001-07-15 Richard Henderson <rth@redhat.com>
2237 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2238 (alpha_tablejump_best_label): New.
2239 * config/alpha/alpha-protos.h: Declare them.
2240 * config/alpha/alpha.md: Use braced strings for code blocks.
2241 (tablejump_osf): Break out add with r29.
2242 (tablejump_osf_internal): Remove.
2243 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2244 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2246 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2248 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2251 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2253 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2254 (ix86_fp_jump_nontrivial_p): New.
2255 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2256 use ix86_fp_jump_nontrivial_p.
2257 * i386.c (ix86_fp_jump_nontrivial_p): New.
2258 (ix86_split_fp_branch): Accept code instead of rtx.
2259 (ix86_expand_compare): Expand comparison early in case
2260 doing so is resonably cheap.
2262 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2264 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2266 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2267 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2269 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * dbxout.c (dbxout_source_line): Make static, update prototype.
2272 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2273 (dbxout_init, dbxout_finish, dbxout_source_line,
2274 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2275 * dbxout.h (dbxout_source_line): Delete.
2276 * debug.c (debug_nothing_file, debug_nothing_file_int,
2277 debug_nothing_file_charstar_rtx): New.
2278 (do_nothing_debug_hooks): Update.
2279 (debug_nothing_void, debug_nothing_charstar_rtx,
2280 dwarf2out_end_epilogue): New.
2281 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2282 * debug.h (struct rtx_def): Declare.
2283 (gcc_debug_hooks): New hooks source_line, end_epilogue
2285 (debug_nothing_void, debug_nothing_charstar_rtx,
2286 dwarf2out_end_epilogue): New.
2287 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2288 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2289 (dwarf2_debug_hooks): Update.
2290 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2291 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2292 * dwarf2out.h (dwarf2out_source_line): Remove.
2293 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2294 Make static, update prototype.
2295 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2296 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2297 (dwarf_debug_hooks): Update.
2298 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2299 dwarfout_end_function): Remove.
2300 * final.c (profile_function): Use debug hooks for ending functions
2302 (output_source_line, final_end_function): Update prototype,
2304 (final_start_function, final_scan_insn): Update.
2305 * output.h (sdb_begin_function_line): Remove.
2306 (final_end_function): Update prototype.
2307 * sdbout.c (sdb_begin_function_line): Make static.
2308 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2309 (sdbout_source_line): New.
2310 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2312 (sdb_debug_hooks): Update.
2313 (sdbout_init, sdbout_source_line,
2314 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2315 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2316 * toplev.c (compile_file, rest_of_compilation): Update.
2317 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2318 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2319 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2320 Update for prototype changes.
2321 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2322 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2324 2001-07-15 Richard Henderson <rth@redhat.com>
2326 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2327 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2328 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2329 * config/alpha/alpha.c: Likewise.
2330 * config/alpha/alpha.md: Likewise.
2331 * config/alpha/alpha32.h: Likewise.
2332 * config/alpha/vms.h: Likewise.
2335 2001-07-14 Richard Henderson <rth@redhat.com>
2337 * config/alpha/alpha.md: Use define_constants for unspec values.
2338 Substitute throughout.
2340 2001-07-14 Tim Josling <tej@melbpc.org.au>
2342 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2344 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2346 * pa.md: Remove unused constraints from define_split's.
2348 2001-04-14 Richard Henderson <rth@redhat.com>
2350 * ifcvt.c (find_cond_trap): Test for exit block.
2352 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2354 Re-install recently reverted patch.
2355 * emit-rtl.c (try_split): Update mark_jump_label call.
2356 * flow.c (find_sub_basic_blocks): Likewise.
2357 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2359 (mark_all_labels): Kill second parameter.
2360 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2361 (rebuild_jump_labels, jump_optimize_minimal): Update call
2363 (jump_optimize_1): Kill crossjumping code.
2364 (mark_jump_label): Kill cross_jump parameter.
2365 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2366 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2367 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2369 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2371 (dump_file_info): Likewise.
2372 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2373 reorganize passes to do reg-stack first, bb-reorder second.
2374 * invoke.texi (-d letters doc): Remove the jump2 pass.
2376 2001-07-14 Richard Henderson <rth@redhat.com>
2378 * ifcvt.c (find_cond_trap): New.
2379 (find_if_header): Call it.
2380 (merge_if_block): Relax existing jump sanity check.
2381 * jump.c (jump_optimize_1): Remove conditional trap handling.
2383 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2385 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2387 (insn_refs_are_delayed): Correct comment.
2388 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2389 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2390 instead of r31. Make associated insn !TARGET_64BIT, and
2391 provide an additional 64-bit insn that clobbers r2.
2393 (udivsi3): Likewise.
2395 (umodsi3): Likewise.
2397 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2399 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2401 * flow.c (redirect_edge_and_branch_force, split_edge,
2402 try_crossjump_to_edge): Use set_block_for_new_insns.
2403 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2405 2001-07-13 H.J. Lu (hjl@gnu.org)
2407 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2410 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2412 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2414 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2416 * c-common.c (decl_attributes): Take a pointer to the node to
2417 which attributes are to be attached, and a flags argument.
2418 * c-common.h (enum attribute_flags): New.
2419 (decl_attributes): Update prototype.
2420 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2421 finish_enum, start_function): Update calls to decl_attributes.
2422 * c-parse.in (component_declarator, component_notype_declarator,
2423 label): Update calls to decl_attributes.
2425 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2427 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2428 * config/avr/avr.c (legitimate_address_p): Return value changed
2429 from letter to register classes. For better debugging.
2431 2001-07-13 Kazu Hirata <kazu@hxi.com>
2433 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2435 2001-07-13 H.J. Lu (hjl@gnu.org)
2437 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2439 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2441 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2442 correctly for shared configurations.
2443 * config/t-libgcc-pic: New.
2444 * config/{i386,m68k,sparc}/t-openbsd: New.
2445 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2446 Support -shared. Support debugging libraries with -g.
2447 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2448 frame information does not emit pointer diffs.
2449 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2452 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2454 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2456 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2458 * combine.c (try_combine): Ensure const_int pow2 is positive.
2460 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2462 * config.gcc: Add configuration for s/390.
2463 * config/s390/s390.c: New. Subroutines for code generation.
2464 * config/s390/s390.h: New. Definitions for s/390.
2465 * config/s390/s390-protos.h: New. Prototypes.
2466 * config/s390/linux.h: New. Definitions for linux for s/390.
2467 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2468 * config/s390/t-linux: New. Makefile fragment.
2469 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2470 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2472 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2474 * emit-rtl.c (try_split): Update mark_jump_label call.
2475 * flow.c (find_sub_basic_blocks): Likewise.
2476 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2478 (mark_all_labels): Kill second parameter.
2479 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2480 (rebuild_jump_labels, jump_optimize_minimal): Update call
2482 (jump_optimize_1): Kill crossjumping code.
2483 (mark_jump_label): Kill cross_jump parameter.
2484 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2485 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2486 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2488 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2490 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2491 reorganize passes to do reg-stack first, bb-reorder second.
2492 * invoke.texi (-d letters doc): Remove the jump2 pass.
2494 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2496 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2498 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2500 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2502 (verify_flow_info): Make diagnostics prettier.
2504 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2506 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2508 * flow.c (outgoing_edges_match): Return early if condition reversal
2511 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2513 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2514 (mips_move_2words): When splitting a move into two instructions,
2515 prefix the second address operand with '%D'.
2517 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2519 * Makefile.in (final.o): Depend on debug.h.
2520 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2521 (dbx_debug_hooks): Add new hooks.
2522 (xcoff_debug_hooks): New.
2523 * debug.c (debug_nothing_file_int_int): New.
2524 (do_nothing_debug_hooks): Update.
2525 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2526 (debug_nothing_file_int_int): New.
2527 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2528 static, update prototype.
2529 (dwarf2_debug_hooks): Update.
2530 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2531 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2532 static, update prototype.
2533 (dwarf_debug_hooks): Update.
2534 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2535 * final.c: Include debug.h.
2536 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2537 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2538 static, update prototype.
2539 (sdb_debug_hooks): Update.
2540 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2541 * toplev.c: Distinguish between xcoff and dbx.
2543 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2544 Call all debug hooks, not just dwarf ones.
2546 2001-07-11 Timothy Wall <twall@redhat.com>
2548 * config.gcc: Add configuration for AIX5/IA64.
2549 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2550 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2551 support prefix/suffix code.
2552 * config/ia64/t-aix: New. Makefile fragment.
2553 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2555 2001-07-11 Kazu Hirata <kazu@hxi.com>
2557 * recog.c (validate_change): Fix a comment typo.
2559 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2561 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2562 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2564 * dbxout.c (dbx_debug_hooks): Add new hooks.
2565 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2567 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2569 * dbxout.h (dbxout_start_new_source_file,
2570 dbxout_resume_previous_source_file): Delete.
2571 * debug.c (do_nothing_debug_hooks): Add new hooks.
2572 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2573 (debug_nothing_int_charstar, debug_nothing_int): New.
2574 * debug.h (gcc_debug_hooks): New hooks define, undef,
2575 start_source_file and end_source_file.
2576 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2577 (debug_nothing_int_charstar, debug_nothing_int): New.
2578 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2579 the conditionally compiled section.
2580 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2581 dwarf2out_define, dwarf2out_undef): Make static.
2582 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2583 dwarf2out_define, dwarf2out_undef): Remove.
2584 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2585 (dwarfout_start_source_file, dwarfout_end_source_file,
2586 dwarfout_define, dwarfout_undef): Make static.
2587 (dwarfout_start_source_file_check,
2588 dwarfout_end_source_file_check): New.
2589 (dwarfout_define, dwarfout_finish): Update.
2590 * dwarfout.h (dwarfout_start_new_source_file,
2591 dwarfout_resume_previous_source_file, dwarfout_define,
2592 dwarfout_undef): Remove.
2593 * sdbout.c (sdb_debug_hooks): Add new hooks.
2594 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2596 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2597 make static, take an arg.
2598 * sdbout.h (sdbout_start_new_source_file,
2599 sdbout_resume_previous_source_file): Delete.
2600 * toplev.c (debug_start_source_file, debug_end_source_file,
2601 debug_define, debug_undef): Delete.
2602 * toplev.h (debug_start_source_file, debug_end_source_file,
2603 debug_define, debug_undef): Delete.
2605 * java/jcf-parse.c: Include debug.h.
2606 (parse_class_file): Update to use debug hooks directly.
2607 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2609 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2611 * alias.c (set_mem_alias_set): New function.
2612 * rtl.h (set_mem_alias_set): Declare it.
2613 * builtins.c (expand_builtin_return_addr): Call it instead of
2614 using MEM_ALIAS_SET accessor.
2615 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2616 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2617 (expand_builtin_va_copy):Likewise.
2618 * caller-save.c (setup_save_areas): Likewise.
2619 * calls.c (compute_argument_addresses): Likewise.
2620 * explow.c (set_mem_attributes): Likewise.
2621 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2622 (expand_assignment, store_constructor_field, store_field): Likewise.
2623 (expand_expr_unaligned): Likewise.
2624 * function.c (assign_stack_temp_for_type): Likewise.
2625 (put_reg_into_stack, gen_mem_addressof): Likewise.
2626 * ifcvt.c (noce_try_cmove_arith): Likewise.
2627 * reload1.c (reload, alter_reg): Likewise.
2628 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2629 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2630 (alpha_expand_unaligned_store): Likewise
2631 (alpha_expand_unaligned_load_words): Likewise.
2632 (alpha_expand_unaligned_store_words): Likewise.
2633 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2634 (alpha_expand_epilogue): Likewise.
2635 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2636 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2637 * config/i386/i386.c (legitimize_pic_address): Likewise.
2638 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2639 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2640 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2641 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2642 * config/mips/mips.c (mips_va_arg): Likewise.
2643 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2644 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2645 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2646 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2647 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2648 (rs6000_emit_epilogue): Likewise.
2649 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2650 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2651 * config/v850/v850.c (v850_va_arg): Likewise.
2653 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2655 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2656 when fallthru edge is present.
2657 (mege_blocks): Handle case where creation of jump insn
2660 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2661 CLEANUP_POST_REGSTACK): New constants.
2662 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2663 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2664 * output.h (cleanup_cfg): Update prototype.
2665 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2666 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2667 cleanup_cfg call; kill missleading comment.
2668 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2669 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2670 parameter; control optimizations performed using it.
2671 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2672 try_crossjump_bb): New functions.
2674 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2676 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2678 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2679 pa_output_function_prologue.
2680 * pa-protos.h (pa_output_function_prologue): New prototype.
2682 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2684 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2685 and low to get correct sign extension in low+high test.
2687 2001-07-11 Janis Johnson <janis@us.ibm.com>
2689 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2690 for large hit count.
2692 * profile.c (branch_prob): Fix .bbg info for computed gotos
2695 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2697 * stmt.c (parse_output_constraint): New function, split out
2699 (expand_asm_operands): ... here. Use parse_output_constraint.
2700 * tree.h (parse_output_constraint): Declare it.
2702 2001-07-11 Richard Henderson <rth@redhat.com>
2704 * bitmap.c: Comment some functions; fiddle whitespace.
2705 (bitmap_free): Don't export.
2706 (bitmap_element_allocate): Use memset.
2707 * bitmap.h (bitmap_free): Don't declare.
2709 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2711 * gcse.c, lcm.c, sched-deps.c:
2712 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2714 * flow.c (flow_loops_find): Free dom if we found no loops, since
2715 we aren't going to save it.
2717 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2720 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2722 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2724 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2726 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2727 #ifndef DWARF2_DEBUGGING_INFO.
2729 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2731 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2733 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2735 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2736 reverse a branch if a NE comparison is implemented with GTU.
2738 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2739 H.J. Lu <hjl@gnu.org>
2741 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2743 (call_internal2): Likewise.
2744 (call_value_internal1): Likewise.
2745 (call_value_internal2): Likewise.
2746 (call_value_multiple_internal1): Likewise.
2747 (call_value_multiple_internal2): Likewise.
2749 2001-07-10 Kazu Hirata <kazu@hxi.com>
2751 * calls.c (emit_library_call_value_1): Fix a comment typo.
2752 * dwarf2out.c (mem_loc_descriptor): Likewise.
2753 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2755 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2757 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2759 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2761 * recog.c (offsettable_address_p): Handle LO_SUM case.
2762 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2763 instead of plus_constant.
2765 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2767 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2768 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2770 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2772 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2773 adjust_address_nv instead of plus_constant.
2775 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2777 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2778 dwarf2out.o): Depend on debug.h, wrap long lines.
2779 * dbxout.c: Include debug.h.
2780 (dbx_debug_hooks): New.
2781 (dbxout_init): Make static, take just 2 args.
2782 (dbxout_finish): Make static.
2783 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2784 * debug.c: New file.
2785 * debug.h: New file.
2786 * dwarf2out.c: Include debug.h.
2787 (dwarf2_debug_hooks): New.
2788 (dwarf2out_init): Make static.
2789 (dwarf2out_finish): Make static, take 2 args.
2790 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2791 * dwarfout.c: Include debug.h.
2792 (dwarf_debug_hooks): New.
2793 (dwarfout_init): Make static.
2794 (dwarfout_finish): Make static, take 2 args.
2795 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2796 * sdbout.c: Include debug.h.
2797 (sdb_debug_hooks): New.
2798 (sdbout_init): Make static, take 2 args.
2799 * sdbout.h (sdbout_init): Delete.
2800 * toplev.c: Include debug.h.
2802 (compile_file): Set deubg_hooks based on command line options.
2803 Use the hooks unconditionally rather than conditional compilation.
2805 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2807 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2808 first_insn_after_basic_block_note instead.
2810 * df.c (df_bb_refs_unlink): #if 0 out for now.
2812 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2814 * ssa.h: Add prototype for ssa_const_prop
2815 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2816 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2817 (ssa_fast_dce): Remove unused variable
2819 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2821 * diagnostic.c (finish_diagnostic): Rename to
2822 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2825 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2827 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2830 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2831 (dump_file): Only pad the demangled name with spaces if the
2832 mangled name was padded with spaces.
2834 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2836 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2839 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2841 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2842 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2845 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2846 whether can put offset inside LO_SUM to check mode alignment, not size.
2848 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2850 * doc/tm.texi (Misc): Fix thinko.
2852 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2854 * regmove.c (replace_in_call_usage): Fix warnings.
2855 * sched-deps.c (add_dependence): Fix warnings.
2856 * simplify-rtx.c (simplify_subreg): Likewise.
2857 Return NULL_RTX instead of NULL.
2859 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2860 (subst_asm_stack_regs): Likewise.
2862 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2865 * dwarf2out.c (output_call_frame_info): Declare i as int.
2866 (build_abbrev_table): Declare n_alloc as int.
2867 (dwarf2out_finish): Initialize die.
2868 * except.c: Declare sjlj_funcdef_number as unsigned.
2869 (connect_post_landing_pads): Declare j as unsigned.
2870 (convert_to_eh_region_ranges): Initialize call_site.
2871 (output_function_exception_table): Initialize tt_format_size.
2872 * expr.c (move_by_pieces_1): Initialize to1.
2873 (store_constructor): Initialize minelt and maxelt.
2874 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2875 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2877 * c-decl.c (combine_parm_decls): Unused, remove.
2878 * c-tree.h: Remove prototype for combine_parm_decls.
2880 * reload.c (push_reload): Fix warning.
2881 (regno_clobbered_p): Likewise.
2882 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2883 (reload_combine): Likewise.
2885 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2886 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2888 * bitmap.c (bitmap_operation): Change user.
2889 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2891 2001-07-10 Eric Christopher <echristo@redhat.com>
2893 * config/mips/mips.c (override_options): Fix typo.
2895 2001-07-09 Stan Shebs <shebs@apple.com>
2897 * target.h (struct gcc_target): New fields init_builtins and
2899 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2900 (TARGET_EXPAND_BUILTIN): New macro.
2901 (TARGET_INITIALIZER): Add them.
2902 * builtins.c: Include target.h.
2903 (expand_builtin): Use targetm.expand_builtin.
2904 (default_init_builtins): New function.
2905 (default_expand_builtin): New function.
2906 * expr.h (default_init_builtins): Declare.
2907 (default_expand_builtin): Declare.
2908 * c-common.c (c_common_nodes_and_builtins): Use
2909 targetm.init_builtins.
2910 * defaults.h (MD_INIT_BUILTINS): Remove.
2911 * Makefile.in (builtins.o): Depend on target.h.
2913 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2914 (TARGET_EXPAND_BUILTIN): Define.
2915 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2916 (MD_EXPAND_BUILTIN): Remove.
2918 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2919 (TARGET_EXPAND_BUILTIN): Define.
2920 (c4x_init_builtins): Make endlink arg a local.
2921 (c4x_print_operand): Fix typos in adjust_address usages.
2922 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2923 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2924 (MD_EXPAND_BUILTIN): Remove.
2926 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2927 (TARGET_EXPAND_BUILTIN): Define.
2928 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2929 (ix86_init_builtins): Call new function only if TARGET_MMX.
2930 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2931 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2932 (MD_EXPAND_BUILTIN): Remove.
2934 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2935 (TARGET_EXPAND_BUILTIN): Define.
2936 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2937 (MD_EXPAND_BUILTIN): Remove.
2939 * doc/tm.texi: Document these changes.
2941 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2943 * basic-block.h (tree_node): Forward declare if needed.
2944 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2945 (BLOCK_HEAD_TREE): Define.
2946 (BLOCK_END_TREE): Define.
2947 (struct loops): Rename field 'tree' to 'tree_root'.
2948 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2950 (flow_loops_tree_build): Rename reference to field 'tree' to
2952 (flow_loops_level_compute): Ditto.
2953 * predict.c (estimate_bb_frequencies): Ditto.
2954 * tree.h (struct tree_common): Add field 'aux'.
2956 2001-07-09 Stan Shebs <shebs@apple.com>
2958 * config/darwin.c (darwin_encode_section_info): Don't mark any
2959 DECL_EXTERNAL node as defined.
2961 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2963 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2964 pa_free_machine_status, hppa_init_pic_save): Delete.
2965 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2966 (hppa_profile_hook): Use hppa_pic_save_rtx.
2967 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2968 hppa_init_pic_save): Delete.
2969 (hppa_pic_save_rtx): Declare.
2970 * pa.md (call, call_value, sibcall, sibcall_value,
2971 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2973 2001-07-09 Kazu Hirata <kazu@hxi.com>
2975 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2976 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2978 2001-07-09 Andreas Jaeger <aj@suse.de>
2980 * output.h: Add declaration of final_forward_branch_p.
2982 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2984 * varray.c: Include errors.h for internal_error and trim_filename
2987 * Makefile.in (varray.o): Add errors.h.
2989 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2991 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2992 * optabs.c (have_add2_insn): Check whether the add insn chosen
2993 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2994 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2996 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2998 * Makefile.in (OBJS): Add ssa-ccp.o
2999 (ssa-ccp.o): Add dependencies.
3000 * toplev.c (DFI_ssa_ccp): New dump file enum.
3001 (dump_file): Add entry for dumping after SSA CCP.
3002 (flag_ssa_ccp): New flag variable.
3003 (f_options): Add -fssa-ccp.
3004 (rest_of_compilation): Run SSA CCP if requested.
3005 * timevar.def (TV_SSA_CCP): New timevar.
3006 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3007 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3008 Fix minor typo in SSA DCE documentation.
3009 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3010 Add documentation for new dump option. Renumber dump files
3013 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3015 * emit-rtl.c (gen_highpart_mode): New.
3016 * rtl.h (gen_highpart_mode): Declare.
3017 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3018 operand can be VOIDmode constant.
3020 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3022 * flow.c (redirect_edge_and_branch_force): New.
3023 (can_fallthru): Ensure that basic blocks are succeeding.
3024 (try_optimize_cfg): Do not delete basic block if it is the last one.
3026 * flow.c (try_redirect_by_replacing_jump): Do not remove
3027 jumps with side effects, unlink chain on fallthru edge;
3028 set block for new jump instruction; avoid basic block to
3029 over by line number note.
3031 * flow.c (try_simplify_condjump): Verify that the condjump
3032 is not always falling trought.
3035 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3037 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3038 (try_redirect_by_replacing_jump): Update properly the count
3039 and frequency information.
3041 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3043 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3044 address that is a LO_SUM specially.
3045 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3047 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3049 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3050 (operand_subword): Use them.
3051 (change_address_1): Renamed from change_address; new arg VALIDATE.
3052 * expr.h: Reflect above changes; change_address now macro.
3053 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3055 * cselib.c (add_mem_for_addr): Likewise.
3056 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3057 * regmove.c (try_apply_stack_adjustment): Likewise.
3058 * reload.c (push_reload, make_memloc): Likewise.
3059 * reload1.c (eliminate_regs): Likewise.
3060 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3061 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3063 * combine.c (make_extraction, simplify_shift_const): Likewise.
3064 (gen_lowpart_for_combine): Likewise.
3065 * cse.c (gen_lowpart_if_possible): Likewise.
3066 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3067 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3068 * optabs.c (gen_move_insn): Likewise.
3069 * reload1.c (alter_reg): Likewise.
3070 * simplify-rtx.c (simplify_subreg): Likewise.
3071 * stmt.c (expand_anon_union_decl): Likewise.
3072 * recog.c (validate_replace_rtx_1): Likewise.
3074 * Makefile.in (recog.o): Add $(EXPR_H).
3075 * explow.c (stabilize): Call replace_equiv_address.
3076 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3077 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3079 2001-07-03 Andrew Haley <aph@redhat.com>
3081 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3082 the mode of the memory location.
3084 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3086 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3088 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3090 * final.c (output_addr_const): Use target opening and
3091 closing parentheses.
3092 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3093 defaults, add to TARGET_ASM_OUT.
3094 * target.h (struct gcc_target): Add open_paren and close_paren.
3095 * doc/md.texi: Update.
3096 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3097 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3098 TARGET_ASM_CLOSE_PAREN.
3099 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3101 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3103 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3104 * config/a29k/a29k.h: Similarly.
3105 * config/alpha/alpha.h: Similarly.
3106 * config/arc/arc.h: Similarly.
3107 * config/arm/aof.h: Similarly.
3108 * config/arm/aout.h: Similarly.
3109 * config/avr/avr.h: Similarly.
3110 * config/c4x/c4x.h: Similarly.
3111 * config/clipper/clipper.h: Similarly.
3112 * config/convex/convex.h: Similarly.
3113 * config/d30v/d30v.h: Similarly.
3114 * config/dsp16xx/dsp16xx.h: Similarly.
3115 * config/elxsi/elxsi.h: Similarly.
3116 * config/fr30/fr30.h: Similarly.
3117 * config/h8300/h8300.h: Similarly.
3118 * config/i370/i370.h: Similarly.
3119 * config/i386/i386.h: Similarly.
3120 * config/i860/i860.h: Similarly.
3121 * config/i960/i960.h: Similarly.
3122 * config/ia64/ia64.h: Similarly.
3123 * config/m32r/m32r.h: Similarly.
3124 * config/m68hc11/m68hc11.h: Similarly.
3125 * config/m68k/m68k.h: Similarly.
3126 * config/m88k/m88k.h: Similarly.
3127 * config/mcore/mcore.h: Similarly.
3128 * config/mips/mips.h: Similarly.
3129 * config/mn10200/mn10200.h: Similarly.
3130 * config/mn10300/mn10300.h: Similarly.
3131 * config/ns32k/ns32k.h: Similarly.
3132 * config/pa/pa.h: Similarly.
3133 * config/pdp11/pdp11.h: Similarly.
3134 * config/pj/pj.h: Similarly.
3135 * config/romp/romp.h: Similarly.
3136 * config/rs6000/rs6000.h: Similarly.
3137 * config/sh/sh.h: Similarly.
3138 * config/sparc/sparc.h: Similarly.
3139 * config/v850/v850.h: Similarly.
3140 * config/vax/vax.h: Similarly.
3141 * config/we32k/we32k.h: Similarly.
3143 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3145 * doc/c-tree.texi: Document representation of attributes.
3147 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3149 * doc/tm.texi: Update some places for the rename of target to
3152 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3154 * target.h (struct gcc_target): Add insert_attributes.
3155 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3156 (TARGET_INITIALIZER): Update.
3157 * tree.c, tree.h (default_insert_attributes): New function.
3158 Update comments on other default functions to refer to targetm,
3160 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3161 TARGET_INSERT_ATTRIBUTES.
3162 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3163 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3164 Don't use PRAGMA_INSERT_ATTRIBUTES.
3165 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3166 * c-decl.c (start_decl, start_function): Don't call
3167 SET_DEFAULT_DECL_ATTRIBUTES.
3168 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3169 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3171 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3172 (c4x_check_attribute): Avoid modifying attribute list itself.
3173 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3175 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3176 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3178 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3179 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3181 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3182 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3184 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3185 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3186 Adjust parameters. Make static.
3188 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3190 * c-common.c (decl_attributes): Only take a single attributes
3192 * c-common.h (decl_attributes): Update prototype.
3193 * c-decl.c (start_decl, start_function): Only take a single
3194 attributes parameter. Update calls to decl_attributes.
3195 (finish_struct, finish_enum): Update calls to decl_attributes.
3196 (push_parm_decl): Expect unified list of attributes. Update call
3198 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3199 notype_nested_function, component_declarator,
3200 component_notype_declarator, label): Update calls to
3202 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3203 lists that are passed to push_parm_decl.
3204 * c-tree.h (start_function, start_decl): Update prototypes.
3205 * config/sh/sh-protos.h, config/sh/sh.c
3206 (sh_pragma_insert_attributes): Only take a single attributes
3208 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3209 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3210 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3211 build_module_descriptor, generate_static_references,
3212 generate_strings, build_selector_translation_table,
3213 generate_descriptor_table, generate_protocols,
3214 generate_ivars_list, generate_dispatch_table,
3215 generate_protocol_list, generate_category,
3216 generate_shared_structures, really_start_method, add_objc_decls,
3217 generate_classref_translation_entry): Update calls to start_decl
3219 (build_tmp_function_decl, start_method_def): Unify attribute lists
3220 that are passed to push_parm_decl.
3222 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3224 * final.c (no_asm_to_stream): New.
3225 (final_scan_insn): Use target structures for prologue ends
3226 and epilogue starts.
3227 * output.h (no_asm_to_stream): New.
3228 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3229 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3230 (TARGET_ASM_OUT): Update.
3231 * target.h (struct gcc_target): New members function_end_prologue
3232 and function_begin_epilogue.
3233 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3234 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3235 * config/alpha/alpha.c (output_end_prologue): Rename to
3236 alpha_output_function_end_prologue. Use in target struct
3238 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3239 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3240 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3241 ia64_output_function_end_prologue. Use in target struct
3243 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3244 mistyped prototypes.
3245 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3246 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3248 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3249 an use in target struct, make static.
3250 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3253 2001-07-08 Richard Henderson <rth@redhat.com>
3255 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3257 2001-07-08 Richard Henderson <rth@redhat.com>
3259 * config/i386/i386.md: Remove constraints strings from define_split
3260 and define_peephole2 patterns.
3261 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3262 (eh_return): Use them.
3264 2001-07-08 Richard Henderson <rth@redhat.com>
3266 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3267 Document MD_FALLBACK_FRAME_STATE_FOR.
3269 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3271 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3272 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3274 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3276 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3278 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3279 of the label inside NAME as opposed to just the end of NAME.
3281 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3283 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3284 * config/alpha/alpha.c (alpha_init_machine_status,
3285 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3286 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3287 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3288 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3290 2001-07-06 Stan Shebs <shebs@apple.com>
3292 * target.h (targetm): Rename global from "target", so as not to
3293 conflict with local variables.
3295 * c-typeck.c: Ditto.
3299 * cp/decl2.c: Ditto.
3300 * cp/typeck.c: Ditto.
3301 * 1750a/1750a.c: Ditto.
3302 * a29k/a29k.c: Ditto.
3306 * clipper/clipper.c: Ditto.
3307 * convex/convex.c: Ditto.
3308 * d30v/d30v.c: Ditto.
3309 * dsp16xx/dsp16xx.c: Ditto.
3310 * elxsi/elxsi.c: Ditto.
3311 * fr30/fr30.c: Ditto.
3312 * h8300/h8300.c: Ditto.
3313 * i370/i370.c: Ditto.
3314 * i386/i386.c: Ditto.
3315 * i860/i860.c: Ditto.
3316 * i960/i960.c: Ditto.
3317 * ia64/ia64.c: Ditto.
3318 * m32r/m32r.c: Ditto.
3319 * m68hc11/m68hc11.c: Ditto.
3320 * m68k/m68k.c: Ditto.
3321 * m88k/m88k.c: Ditto.
3322 * mips/mips.c: Ditto.
3323 * ns32k/ns32k.c: Ditto.
3325 * pdp11/pdp11.c: Ditto.
3326 * romp/romp.c: Ditto.
3327 * rs6000/rs6000.c: Ditto.
3329 * sparc/sparc.c: Ditto.
3331 * we32k/we32k.c: Ditto.
3332 * doc/tm.texi: Update the manual to match.
3334 2001-07-06 Richard Henderson <rth@redhat.com>
3336 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3337 DWARF2_UNWIND_INFO not just whether it is defined.
3339 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3341 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3342 call to simplify_binary_operation returns a new pattern.
3344 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3346 * glimits.h (__SHRT_MAX__): New.
3347 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3348 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3350 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3352 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3355 2001-07-06 Richard Henderson <rth@redhat.com>
3357 * bitmap.c (bitmap_release_memory): Move adjacent to the
3358 allocation functions.
3359 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3360 the implementation. Binary search for the set bit.
3361 (bitmap_union_of_diff): Allocate the temporary on the stack
3362 instead of using xmalloc.
3364 2001-07-06 Richard Henderson <rth@redhat.com>
3366 * genrecog.c (validate_pattern): Warn for constraints in
3367 define_{expand,split,peephole2}. Remove strict_low_part
3368 before looking up match_dup.
3370 2001-07-06 DJ Delorie <dj@redhat.com>
3372 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3373 chapter about various build hints and history. Add section
3374 talking about the various types of native and cross builds.
3376 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3378 * Makefile.in (final.o): Depend on target.h.
3379 * final.c: Include target.h.
3380 (default_function_pro_epilogue): New.
3381 (final_start_function): Use target structure for function prologues.
3382 (final_end_function): Use target structure for function epilogues.
3383 * fold-const.c (real_hex_to_f): Constify s and p.
3384 * output.h (default_function_pro_epilogue): New.
3385 * real.h (real_hex_to_f): Update prototype.
3386 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3387 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3388 (TARGET_INITIALIZER): Update.
3389 * target.h (gcc_target): Add struct asm_out.
3390 * doc/tm.texi: Update.
3393 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3394 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3395 in cpu/cpu.c, or rename old functions consistently. Take
3396 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3397 redundant macros and prototypes. Make new functions static.
3399 * 1750a/1750a.c: Similarly.
3400 * 1750a/1750a.h: Similarly.
3401 * a29k/a29k-protos.h: Similarly.
3402 * a29k/a29k.c: Similarly.
3403 * a29k/a29k.h: Similarly.
3404 * arc/arc-protos.h: Similarly.
3405 * arc/arc.c: Similarly.
3406 * arc/arc.h: Similarly.
3407 * arm/arm-protos.h: Similarly.
3408 * arm/arm.c: Similarly.
3409 * arm/arm.h: Similarly.
3410 * avr/avr-protos.h: Similarly.
3411 * avr/avr.c: Similarly.
3412 * avr/avr.h: Similarly.
3413 * clipper/clipper-protos.h: Similarly.
3414 * clipper/clipper.c: Similarly.
3415 * clipper/clipper.h: Similarly.
3416 * convex/convex.c: Similarly.
3417 * convex/convex.h: Similarly.
3418 * d30v/d30v-protos.h: Similarly.
3419 * d30v/d30v.c: Similarly.
3420 * d30v/d30v.h: Similarly.
3421 * d30v/d30v.md: Similarly.
3422 * dsp16xx/dsp16xx-protos.h: Similarly.
3423 * dsp16xx/dsp16xx.c: Similarly.
3424 * dsp16xx/dsp16xx.h: Similarly.
3425 * elxsi/elxsi.c: Similarly.
3426 * elxsi/elxsi.h: Similarly.
3427 * fr30/fr30.c: Similarly.
3428 * fr30/fr30.md: Similarly.
3429 * h8300/h8300-protos.h: Similarly.
3430 * h8300/h8300.c: Similarly.
3431 * h8300/h8300.h: Similarly.
3432 * i370/i370-protos.h: Similarly.
3433 * i370/i370.c: Similarly.
3434 * i370/i370.h: Similarly.
3435 * i386/i386.c: Similarly.
3436 * i386/osf1elf.h: Similarly.
3437 * i386/osfrose.h: Similarly.
3438 * i860/i860-protos.h: Similarly.
3439 * i860/i860.c: Similarly.
3440 * i860/i860.h: Similarly.
3441 * i960/i960-protos.h: Similarly.
3442 * i960/i960.c: Similarly.
3443 * i960/i960.h: Similarly.
3444 * ia64/ia64-protos.h: Similarly.
3445 * ia64/ia64.c: Similarly.
3446 * ia64/ia64.h: Similarly.
3447 * m32r/m32r-protos.h: Similarly.
3448 * m32r/m32r.c: Similarly.
3449 * m32r/m32r.h: Similarly.
3450 * m68hc11/m68hc11-protos.h: Similarly.
3451 * m68hc11/m68hc11.c: Similarly.
3452 * m68hc11/m68hc11.h: Similarly.
3453 * m68k/crds.h: Similarly.
3454 * m68k/dpx2.h: Similarly.
3455 * m68k/m68k-protos.h: Similarly.
3456 * m68k/m68k.c: Similarly.
3457 * m68k/m68k.h: Similarly.
3458 * m68k/news.h: Similarly.
3459 * m88k/m88k-protos.h: Similarly.
3460 * m88k/m88k.c: Similarly.
3461 * m88k/m88k.h: Similarly.
3462 * mips/mips-protos.h: Similarly.
3463 * mips/mips.c: Similarly.
3464 * mips/mips.h: Similarly.
3465 * ns32k/merlin.h: Similarly.
3466 * ns32k/ns32k.c: Similarly.
3467 * ns32k/ns32k.h: Similarly.
3468 * ns32k/tek6000.h: Similarly.
3469 * pa/pa-protos.h: Similarly.
3470 * pa/pa.c: Similarly.
3471 * pa/pa.h: Similarly.
3472 * pdp11/2bsd.h: Similarly.
3473 * pdp11/pdp11-protos.h: Similarly.
3474 * pdp11/pdp11.c: Similarly.
3475 * pdp11/pdp11.h: Similarly.
3476 * romp/romp-protos.h: Similarly.
3477 * romp/romp.c: Similarly.
3478 * romp/romp.h: Similarly.
3479 * rs6000/rs6000-protos.h: Similarly.
3480 * rs6000/rs6000.c: Similarly.
3481 * rs6000/rs6000.h: Similarly.
3482 * rs6000/sysv4.h: Similarly.
3483 * sh/sh-protos.h: Similarly.
3484 * sh/sh.c: Similarly.
3485 * sh/sh.h: Similarly.
3486 * sparc/sparc-protos.h: Similarly.
3487 * sparc/sparc.c: Similarly.
3488 * sparc/sparc.h: Similarly.
3489 * vax/vax.c: Similarly.
3490 * vax/vax.h: Similarly.
3491 * vax/vms.h: Similarly.
3492 * we32k/we32k.c: Similarly.
3493 * we32k/we32k.h: Similarly.
3495 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3497 * basic-block.h (first_insn_after_basic_block_note): Declare.
3498 * flow.c (first_insn_after_basic_block_note): Define. Moved
3500 * ssa.c (first_insn_after_basic_block_note): Remove.
3501 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3503 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3504 nodes when we find a dead conditional branch. Insert BARRIERs
3505 after any blocks with no successors, but which do not have
3508 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3510 * varray.c (varray_check_failed): Use internal_error.
3512 2001-07-05 Andrew Haley <aph@redhat.com>
3514 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3515 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3516 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3518 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3520 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3521 reference if the target constant is also a SYMBOL_REF.
3523 2001-07-05 Eric Christopher <echristo@redhat.com>
3525 * config/mips/mips.h (MASK_MIPS3900): Remove.
3526 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3527 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3528 (TARGET_MIPS3900): Change to use mips_arch.
3529 (TARGET_MIPS4000): New.
3530 (TARGET_MIPS4100): New.
3531 (TARGET_MIPS4300): New.
3532 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3533 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3535 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3536 (ISA_HAS_BRANCHLIKELY): To here.
3537 (CC1_CPU_SPEC): New.
3538 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3539 (mips_arch_string): Declare.
3540 (mips_arch): Declare.
3541 (TARGET_OPTIONS): Add -march and -mtune.
3543 * config/mips/mips.c (mips_arch_string): New.
3545 (override_options): Handle -march for codegen and -mtune
3546 for scheduling. Use mips_arch. Move tx39 target default here.
3547 (mips_parse_cpu): Move error message to override_options.
3549 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3551 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3553 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3554 (MIPS Options): Ditto. Change mcpu entry to historical text.
3556 2001-07-05 H.J. Lu (hjl@gnu.org)
3558 * config/mips/mips.c (mips_parse_cpu): New function to parse
3561 2001-07-05 Jim Wilson <wilson@redhat.com>
3563 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3564 * config/ia64/t-ia64: Likewise.
3565 (LIB1ASMFUNCS): Update comment.
3567 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3569 * doc/install.texi (Install GCC: Binaries): Fix typo.
3571 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3573 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3574 reference using the stack pointer, adjust it since we push Y
3576 ("*ashrsi3"): Likewise.
3577 ("*lshrsi3"): Likewise.
3579 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3581 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3582 when -fomit-frame-pointer is used.
3584 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3586 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3587 (try_redirect_by_replacing_jump): Reverse updating properly the
3588 count and frequency information. Reverse removing cc0 setter.
3589 (forwarder_block_p): Reverse fixing for fallthru blocks.
3591 2001-07-05 DJ Delorie <dj@redhat.com>
3593 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3594 (translate_options): If the above is defined, use it to map
3595 given options to new options.
3596 * doc/tm.texi: Document it.
3598 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3599 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3601 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3602 cause programs using computed gotos to run more slowly.
3604 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3606 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3608 Consistently require binutils 2.11.2, not prereleases.
3609 (Specific, decstation-*): Canonicalize as mips-dec-*.
3610 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3612 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3613 (Specific, mips-*): Reword MIPS C compiler requirements.
3614 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3615 (Specific, sunv5): Removed, obsolete.
3617 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3619 * dwarf2out.c (output_loc_list): Use an all ones mask for
3620 .text asm output and don't rely on long long
3621 literals. Reformat some long lines.
3623 2001-07-05 Andreas Jaeger <aj@suse.de>
3625 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3628 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3630 * dwarf2out.c (dwarf2out_define): Update comment.
3631 (dwarf2out_undef): Ditto.
3632 (dwarf2out_start_source_file): Ditto.
3633 (dwarf2out_end_source_file): Ditto.
3634 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3635 since we never call the start/end debug hook for the primary file.
3637 2001-07-04 Kazu Hirata <kazu@hxi.com>
3639 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3642 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3644 * cppinit.c (remove_dup_dirs): Inform if a system include
3645 directory is being reordered.
3646 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3648 * doc/cpp.texi (Search Paths): Likewise.
3649 * doc/gcc.texi (Interoperation): Remove information about
3652 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3654 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3655 (VARRAY_TOP_CHAR_PTR): Likewise.
3657 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3659 * gcc.c (process_command): Don't assign elements of a const char*.
3661 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3663 * emit-rtl.c (change_address): Don't abort if invalid address while
3664 reload is in progress.
3666 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3668 * c-lex.c (cb_file_change): Pass line number to
3669 debug_start_source_file.
3670 (cb_undefine): Pass correct line number to debug_undef.
3672 * toplev.c (debug_start_source_file): Add line number to
3673 parameters. Pass it along to dwarf2out_start_source_file.
3674 (decode_g_option): Stop resetting debug level back to normal when
3675 we change debug formats, unless the current level is
3676 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3679 * toplev.h (debug_start_source_file): Add line number to
3682 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3685 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3687 Output debug_macinfo data for starting file if requested.
3688 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3690 (dwarf2out_define): Output debug_macinfo data for defining a macro
3692 (dwarf2out_undef): Output debug_macinfo data for undefining a
3694 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3695 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3696 (macinfo_section_label): New. DWARF2 macro info section label.
3697 (dwarf2out_init): If we want macro info, output the start label
3699 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3700 attribute to the compilation unit die pointing to the macro info.
3702 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3704 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3705 DWARF2_DEBUGGING_INFO.
3706 (add_loc_descr_to_loc_list): Ditto.
3707 (output_loc_list): Ditto.
3708 Also, fix thinko in curr not being initialized.
3709 (gen_internal_sym): Ditto.
3711 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3713 * emit-rtl.c (replace_equiv_address): New function.
3714 * expr.h (replace_equiv_address): New declaration.
3715 * explow.c (validize_mem): Call it instead of change_address and
3716 also call if -fforce-addr and address is constant.
3717 * expr.c: Replace more calls to change_address with adjust_address
3718 and/or replace_equiv_address or to validize_mem.
3719 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3720 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3721 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3722 * config/i370/i370.md, config/i860/i860.md: Likewise.
3723 * config/i960/i960.md, config/mips/mips.c: Likewise.
3724 * config/mips/mips.md, config/pa/pa.md: Likewise.
3725 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3726 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3728 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3730 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3732 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3735 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3737 * doc/include: New directory.
3738 * doc/fdl.texi: Move to doc/include/fdl.texi.
3739 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3740 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3741 * doc/gcc.texi: Use funding.texi and gpl.texi.
3742 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3743 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3744 Update dependencies and use -I $(docdir)/include.
3746 2001-07-04 Anthony Green <green@redhat.com>
3748 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3750 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3752 * doc/install.texi (sparc64-*-*): Remove garbage.
3754 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3756 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3757 Fix typo in last change to use adjust_address.
3759 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3761 * doc/install.texi (Specific): Update information for *-*-solaris*.
3763 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3765 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3767 2001-07-03 Stan Shebs <shebs@apple.com>
3769 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3770 case for flag_no_mach_text_sections.
3771 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3772 * config/darwin.c (flag_no_mach_text_sections): Remove.
3773 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3775 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3777 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3778 and avoid checking for constant as first operand.
3779 * recog.c (find_constant_term_loc): No longer static.
3780 (adj_offettable_operand): Delete.
3781 * rtl.h (adj_offsettable_operand): Delete declaration.
3782 (find_constant_term): Add declaration.
3783 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3785 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3786 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3787 * config/i386/i386.c, config/i386/i386.md: Likewise.
3788 * config/i860/i860.c, config/i960/i960.c: Likewise.
3789 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3790 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3791 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3792 * config/mips/mips.c, config/mips/mips.md: Likewise.
3793 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3794 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3795 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3796 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3797 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3798 * config/ns32k/ns32k.md: Likewise.
3800 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3802 * rtl.c (copy_rtx): Handle 'T' format letter.
3803 * gensupport.c (collect_insn_data): Likewise.
3804 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3806 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3808 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3809 -B option. Use 'dir' not 'foo' as example directory name.
3811 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3813 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3814 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3816 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3818 * doc/cppinternals.texi: Improve formatting and logical markup.
3820 2001-07-03 Andreas Jaeger <aj@suse.de>
3822 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3824 * genrecog.c (write_header): Include reload.h for prototypes in
3827 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3830 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3831 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3832 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3833 i386_pe_valid_type_attribute_p): Add.
3834 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3835 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3837 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3839 * explow.c (plus_constant_wide, case LO_SUM): New case.
3840 (plus_constant_for_output_wide): Delete.
3841 * rtl.h (plus_constant_for_output): Delete.
3842 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3843 instead of plus_constant_for_output.
3844 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3845 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3846 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3847 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3848 * config/sparc/sparc.md: Likewise.
3849 Convert some change_address calls to adjust_address.
3851 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3853 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3854 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3855 documentation of -std and -Wwrite-strings.
3857 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3859 * cse.c (canon_hash): Don't register registers in very small
3860 register classes, as extending their lifetime might cause
3863 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3865 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3867 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3868 (try_redirect_by_replacing_jump): Update properly the count
3869 and frequency information.
3871 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3873 * toplev.c (dump_file_index): Move SSA dumps just after first
3875 (dump_file): Corresponding changes.
3876 (rest_of_compilation): Move SSA path to just after the first
3878 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3879 * doc/invoke.texi: Update dump file #s as they were completely
3880 out of date with reality.
3882 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3884 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3886 * expr.c (emit_move_insn_1): Deal with non-default
3889 * expr.c (emit_single_push_insn): Fix warning.
3891 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3893 * expr.c (emit_move_insn_1): Avoid modifying
3894 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3896 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3898 * emit-rtl.c (adjust_address): New function.
3899 * expr.h (adjust_address): Add declaration.
3900 * builtins.c: Replace some calls to change_address with calls to it
3902 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3903 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3904 * config/arm/arm.c, config/convex/convex.c: Likewise.
3905 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3906 * config/i386/i386.c, config/i386/i386.md: Likewise.
3907 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3908 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3909 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3910 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3911 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3913 2001-07-02 Jim Wilson <wilson@redhat.com>
3915 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3917 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3919 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3920 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3922 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3924 * cppinit.c (lang_defaults): New table.
3925 (set_lang): Just read from lang_defaults into the live options
3928 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3930 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3931 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3932 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3934 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3936 * doc/install.texi: Various spelling and markup fixes.
3937 (Installing GCC): Component specific installation instructions are
3940 Warn about removing old install dir in the presence of shared libs.
3941 (Configuration): Invoke with options target to match configure
3943 Consistently refer to gas, gld pathnames.
3944 Invert --enable-multilib documentation.
3945 Remove references to old compiler versions.
3947 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3949 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3951 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3953 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3955 (Specific, mips*-sgi-irix5): Note IDO download.
3956 Reworded MIPS C hints.
3957 Use GNU as instead of GAS.
3959 Removed SGI Freeware reference, IRIX 6 only.
3960 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3961 Note N64 library requirement/workaround.
3963 Complete list of structure passing bug victims.
3965 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3967 * doc/install.texi: Remove CVS Id.
3969 2001-07-02 Andreas Jaeger <aj@suse.de>
3971 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3972 (find_inherently_necessary): Remove unused variable.
3974 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3976 * c-common.h (TDI_inlined): New ast dump phase.
3977 (dump_flag_name): New function.
3978 * c-dump.c (dump_files): Add inlined phase.
3979 (dump_flag_name): Define.
3980 * doc/invoke.texi (-fdump-ast-inlined): Document.
3982 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3984 * stor-layout.c (layout_decl): Revert change to handling of alignment
3987 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3989 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3992 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3994 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3997 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3999 * tlink.c (recompile_files): Remove COMPILER_PATH and
4000 LIBRARY_PATH from the environment.
4002 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4004 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4005 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4007 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4009 * c-parse.in (OBJC_STRING): Kill.
4010 (objc_string): Decompose to [objc_string] '@' STRING.
4011 (reswords): Take the leading '@' off all the Objective C keywords.
4012 (objc_rid_sans_at): Kill.
4013 (init_reswords): Don't initialize it.
4014 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4015 (_yylex): Kill reconsider label. Look ahead one token after
4016 an '@'; if we get an identifier, check whether it's an
4017 Objective C @-keyword. If so, return the keyword. Otherwise,
4018 put back the token and return the '@' as a terminal.
4020 * cpplib.c (lex_macro_node): Remove unnecessary check for
4021 leading '@' on identifier. Clarify control flow and commentary.
4023 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4025 * cse.c (new_label_ref): Variable deleted.
4026 (insert): Remove set of new_label_ref.
4027 (check_for_label_ref): New function.
4028 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4030 See ChangeLog.5 for earlier changes.