1 2001-08-04 Zack Weinberg <zackw@panix.com>
3 * sparc.md: Don't use #if inside C test expression.
5 2001-08-04 Richard Henderson <rth@redhat.com>
7 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
9 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
11 * cpphash.h (struct cpp_reader): New member directive_line.
12 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
13 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
14 do_pragma): Pass line to callbacks.
15 (start_directive): Record line of directive.
16 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
17 cb_include): Similarly.
18 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
21 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
23 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
26 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
28 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
30 * reload1.c (fixup_abnormal_edges): New static function.
33 * flow.c (need_fake_edge_p): New function.
34 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
35 avoid call insn to be very last insn in the insn stream.
37 * profile.c (branch_prob): Call flow_call_edges_add instead of
38 doing that by hand; cleanup cfg to re-merge basic blocks once
41 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
43 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
44 are also on line-map.h.
45 * cppfiles.c (stack_include_file): Update.
46 * cpphash.h (struct cpp_buffer): New member return_at_eof.
47 (_cpp_pop_buffer): New.
48 * cppinit.c (cpp_destroy, cpp_finish): Update.
49 (do_includes): Mark each buffer to return at EOF.
50 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
52 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
53 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
54 * cpplib.h (cpp_pop_buffer): Remove.
55 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
56 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
58 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
60 (do_preprocessing): Update.
61 * fix-header.c (read_scan_file): Update. No need to pop buffers.
62 * c-parse.in (_yylex): Similarly.
63 * scan-decls.c (scan_decls): Similarly.
64 * line-map.h: Update comments.
66 * objc/Make-lang.in (objc-act.o): Update dependencies.
68 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
70 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
71 and soft register for operand 0.
72 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
74 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
76 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
77 register for operand 0.
78 ("bitcmpqi_z_used"): Allow memory for operand 0.
79 (split "bitcmpqi"): New split to handle address reg as operand 1.
81 2001-08-04 Andreas Jaeger <aj@suse.de>
83 * gcse.c: Revert Daniel's last patch.
85 2001-08-03 Zack Weinberg <zackw@stanford.edu>
87 * sparc-protos.h: Add prototypes for fp_zero_operand and
89 * sh-protos.h: Add prototype for fpul_operand.
91 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
93 * doc/extend.texi (Other Builtins): Fix typo in last change.
95 2001-08-03 Richard Henderson <rth@redhat.com>
97 * target.h (gcc_target): Add asm_out.named_section,
98 section_type_flags, have_named_sections.
99 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
100 (TARGET_HAVE_NAMED_SECTIONS): New.
101 (TARGET_SECTION_TYPE_FLAGS): New.
103 * Makefile.in (toplev.o): Depend on TARGET_H.
104 (varasm.o, dbxout.o): Likewise.
105 * c-common.c (decl_attributes): Check targetm.have_named_sections
106 instead of ifdef ASM_OUTPUT_SECTION_NAME.
107 * dbxout.c (dbxout_function_decl): Likewise.
108 (dbxout_function_end): Likewise.
109 * toplev.c (compile_file): Likewise.
110 * varasm.c (exception_section): Likewise.
111 * cp/decl2.c (finish_objects): Likewise.
113 * defaults.h (EH_FRAME_SECTION): Remove.
114 (EH_FRAME_SECTION_ASM_OP): Remove.
115 (EH_FRAME_SECTION_NAME): New.
116 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
117 (UNIQUE_SECTION_P): Remove.
118 * dwarf2out.c (SECTION_FORMAT): Remove.
119 (ASM_OUTPUT_SECTION): Remove.
120 (output_call_frame_info): Use named_section_flags.
121 (output_comp_unit, dwarf2out_start_source_file): Likewise.
122 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
123 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
124 * varasm.c (in_eh_frame, eh_frame_section): Remove.
125 (named_section_flags): New.
126 (named_section): Use it and targetm.section_type_flags.
127 (resolve_unique_section): New.
128 (assemble_start_function): Use it.
129 (asm_emit_uninitialised, assemble_variable): Likewise.
130 (default_section_type_flags): New.
131 (default_no_named_section, default_elf_asm_named_section): New.
132 (default_coff_asm_named_section, default_pe_asm_named_section): New.
133 * output.h: Update varasm.c decls.
134 (SECTION_*): New flags.
136 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
137 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
139 * config/elfos.h (UNIQUE_SECTION_P): Remove.
140 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
141 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
142 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
143 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
144 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
145 * config/mips/elf.h, config/mips/elf64.h: Likewise.
146 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
147 * config/pa/pa64-hpux.h,
149 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
150 (TARGET_ASM_NAMED_SECTION): New.
151 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
152 * config/alpha/vms.h, config/arm/coff.h: Likewise.
153 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
154 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
155 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
156 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
157 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
158 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
159 * config/i386/sco5.h, config/i386/win32.h: Likewise.
160 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
161 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
162 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
163 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
164 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
165 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
166 * config/sparc/sysv4.h: Likewise.
168 * config/nextstep.h: Error until named sections implemented.
170 * config/a29k/a29k.c (a29k_asm_named_section): New.
171 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
172 (vms_section_type_flags, vms_asm_named_section): New.
173 * config/arm/arm.c (arm_elf_asm_named_section): New.
174 * config/avr/avr.c (asm_output_section_name): Remove.
175 * config/avr/avr-protos.h: Update.
176 * config/c4x/c4x.c (c4x_asm_named_section): New.
177 * config/h8300/h8300.c (h8300_asm_named_section): New.
178 * config/i386/i386.c (sco_asm_named_section): New.
179 * config/i386/winnt.c (SECTION_PE_SHARED): New.
180 (i386_pe_section_type_flags): New.
181 (i386_pe_asm_named_section): New.
182 * config/i386/i386-protos.h: Update.
183 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
184 * config/mcore/mcore.c (mcore_asm_named_section): New.
185 * config/mips/mips.c (iris6_asm_named_section): New.
186 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
187 instead of UNIQUE_SECTION_P.
188 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
189 (xcoff_asm_named_section): New.
190 * config/sh/sh.c (sh_asm_named_section): New.
191 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
193 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
194 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
195 (EH_FRAME_SECTION_NAME): New.
196 (EXCEPTION_SECTION): New.
197 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
198 (DEBUG_*_SECTION): Remove.
199 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
200 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
201 (EH_FRAME_SECTION_ASM_OP): Remove.
203 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
204 (ASM_OUTPUT_SECTION_NAME): Remove.
205 (TARGET_ASM_NAMED_SECTION): New.
206 (TARGET_HAVE_NAMED_SECTIONS): New.
207 (TARGET_SECTION_TYPE_FLAGS): New.
208 (EH_FRAME_SECTION_ASM_OP): Remove.
209 (EH_FRAME_SECTION_NAME): New.
211 2001-08-03 Zack Weinberg <zackw@stanford.edu>
213 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
214 for complex expressions when cfun == 0.
215 * doc/extend.texi: Document that __builtin_constant_p can be
216 used in data initializers as well as functions.
218 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
220 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
221 variable I locally, instead of expecting a declaration in the
224 2001-08-03 Richard Henderson <rth@redhat.com>
226 * except.c (collect_one_action_chain): Add an explicit cleanup
227 action if regions surrounding a catch were encoded entirely
228 within the call-site entry.
230 2001-08-03 Richard Henderson <rth@redhat.com>
232 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
233 don't take REGNO of a non-register.
235 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
237 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
238 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
239 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
240 (__gthread_mutex_init_function): New function for mutex initialization.
242 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
244 * Makefile.in: Revert screwed up commit.
246 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
248 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
249 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
250 merged by linker script to get a final _exit().
251 (__do_global_dtors): New for destructor handling in specific exit
253 (__do_global_ctors): New for constructors in specific install section.
254 (__map_data_section): Map data sections before running constructors.
255 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
256 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
257 (DTORS_SECTION_ASM_OP): Likewise.
258 (CTORS_SECTION_FUNCTION): Define to force a reference to
260 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
262 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
264 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
266 * Makefile.in: Add df.h to gcse.c dependencies.
268 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
270 * varasm.c (output_constant_def_contents): Use for the length of a
271 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
272 depending on which is larger.
274 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
276 * gcse.c: Include df.h for use as a dataflow analyzer.
278 Declaration of reg_set_info: gone.
279 New df_analyzer variable used by store motion.
280 (reg_set_info): Deleted.
281 (mark_mem_regs): New function, analyze regs used by a mem.
282 (store_ops_ok): Use dataflow analyzer results to determine if
283 necessary regs are changed in the block.
284 (find_moveable_store): Remove check for symbol ref, we can handle
285 much more complex expressions now.
286 (compute_store_table): Remove most of the code, it's unnecessary
287 now that the dataflow analyzer records the info for us.
288 (store_killed_after): Add parameter to say whether to do the
289 store_ops_okay test, used to speed up testing when we already know
290 the answer, and just want to know if the store itself was killed.
291 (build_store_vector): Largely rewritten to calculate the various
292 vectors properly, and somewhat optimized.
293 (store_motion): Init the df_analyzer, get REG_DEF chains.
294 Also handle trapping expressions (since mems almost always trap)
295 (simple_mem): Redefine what a simple mem is.
297 2001-08-03 DJ Delorie <dj@redhat.com>
299 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
300 set from a constant part of the condition.
302 2001-08-01 Andrew Cagney <ac131313@redhat.com>
304 * mkdeps.c (deps_add_default_target): Make local variable
305 ``start'' a const char pointer.
306 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
308 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
310 * doc/install.texi (Configuration): Fix markup.
311 (Specific, i?86-*-udk): Likewise.
312 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
314 Document --enable-threads and --enable-libgcj status.
315 (Specific, mips-sgi-irix*): Canonicalize triples.
316 (Specific, mips-sgi-irix5): Warn about problems with this config.
317 Mention required GNU as patch.
318 Native assembler problems are fixed.
319 (Specific, mips-sgi-irix6): Update O32 ABI support status.
320 Document --enable-threads and --enable-libgcj status.
322 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
324 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
327 2001-08-03 Richard Henderson <rth@redhat.com>
329 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
332 2001-08-03 Richard Henderson <rth@redhat.com>
334 * rtlanal.c (find_first_parameter_load): Stop if we
335 reach a CODE_LABEL at BOUNDARY.
337 2001-08-03 Richard Henderson <rth@redhat.com>
339 * config/alpha/alpha.md (force_movdi): New insn.
340 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
341 Tweek FRP marking of VMS prologue insns.
342 * config/alpha/vms.h (EPILOGUE_USES): New.
344 2001-08-02 Richard Henderson <rth@redhat.com>
346 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
348 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
350 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
351 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
352 config/convex/convex.h, config/d30v/d30v.c,
353 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
354 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
355 config/mips/mips.h, config/mn10200/mn10200.h,
356 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
357 config/v850/v850.h, config/vax/openbsd.h,
358 config/vax/openbsd1.h, config/vax/ultrix.h,
359 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
360 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
361 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
362 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
363 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
364 in comments and documentation.
366 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
370 * Makefile.in (line-map.o): New.
371 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
372 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
373 * cpperror.c (print_containing_files): Similarly.
374 (print_location): Update. Don't output a space before _Pragma.
375 * cppfiles.c (stack_include_file): Set to line 1 immediately.
376 (stack_include_filee, cpp_make_system_header): Update.
377 (_cpp_execute_include): Get logical line number right for calling
378 as-yet-unterminated #include.
379 * cpphash.h (struct cpp_reader): Add line_maps.
380 (_cpp_do_file_change): Update.
381 * cppinit.c (cpp_create_reader): Initialize line maps.
382 (cpp_destroy): Destroy line maps.
383 (cpp_start_read): Get logical line number right.
384 * cpplex.c (parse_string): Only warn once for multi-line strings.
385 Use boolean variable for null warning.
386 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
388 (do_include_common): End the directive early.
389 (do_line): Don't warn about out-of-range lines in preprocessed
390 source. Update. Remove unused variables.
391 (_cpp_do_file_change): Update for new line mapping.
392 (pragma_cb): New typedef.
393 (cpp_register_pragma): Stop looking ahead before calling the
395 (do_pragma_system_header): End directive early.
396 (cpp_get_line_maps): New.
397 (cpp_pop_buffer): Fudge logical line. Update.
398 * cpplib.h: Include line-map.h
399 (enum cpp_fc_reason): Remove.
400 (struct cpp_file_change): Update.
401 (cpp_get_line_maps): New.
402 * cppmain.c (struct_printer): New member map.
403 (cb_file_change): Update for new mappings.
404 * fix-header.c (cb_file_change): Similarly.
406 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
408 * Makefile.in (libgcc.mk): Define mkinstalldirs.
409 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
411 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
413 * config/vax/vax.c: include expr.h.
415 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
417 * Makefile.in ($(srcdir)/configure): Only rebuild in
419 ($(srcdir)/config.in): Only define in maintainer mode.
420 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
422 2001-08-02 David Edelsohn <edelsohn@gnu.org>
424 * doc/install.texi (Install GCC: Binaries): Update Bull info.
426 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
428 * gcc.c (set_collect_gcc_options): New function, split out from
430 Ignore elided switches.
431 (do_spec_1): Invoke before executing command.
434 * gcc.h (set_input): ... here.
435 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
438 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
441 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
443 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
445 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
447 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
448 for the unnamed instructions it expands to.
450 2001-08-02 Richard Henderson <rth@redhat.com>
452 * regclass.c (call_really_used_regs): Conditionally define.
453 (init_reg_sets_1): Don't use it if not defined.
454 (fix_register): Similarly, don't set it.
456 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
458 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
459 Correct comment that had been missed in the previous change.
461 2001-08-01 Stan Shebs <shebs@apple.com>
463 * config/darwin.c (machopic_stub_name): Try matching by name.
464 (update_stubs): New function.
465 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
468 2001-08-01 Richard Henderson <rth@redhat.com>
470 * except.c (output_function_exception_table): Use assemble_align.
471 * varasm.c (assemble_eh_label): Remove.
472 (assemble_eh_align, assemble_eh_integer): Remove.
474 2001-08-01 Robert Lipe <robertl@caldera.com>
476 * dwarfout.c: Remove reference to README.DWARF.
478 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
480 * regclass.c (call_really_used_regs): New array for registers which
481 are actually used by a call.
482 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
484 (fix_register): Set call_really_used too.
485 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
486 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
488 2001-08-01 Richard Henderson <rth@redhat.com>
490 * read-rtl.c (read_name): Consider \r whitespace.
492 2001-07-11 Andrew Cagney <ac131313@redhat.com>
494 * config.gcc: Recognize powerpc-*-netbsd*.
496 * doc/install.texi (Host/target specific installation notes for
497 GCC): Mention powerpc-*-netbsd*.
499 * config/rs6000/netbsd.h: New file.
500 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
501 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
502 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
503 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
504 (TARGET_VERSION): Redefine.
506 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
507 mcall-netbsd as a match for mcall-sysv.
508 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
509 (ncrti.S, ncrtn.S): New targets.
510 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
512 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
513 "netbsd' as a V4 ABI.
514 (ASM_SPEC): Check for -mcall-netbsd.
515 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
516 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
517 (LIB_SPEC, ENDFILE_SPEC): Ditto.
518 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
519 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
520 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
521 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
523 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
524 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
526 2001-08-01 Mark Kettenis <kettenis@gnu.org>
528 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
529 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
530 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
531 including "unwind-pe.h".
533 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
535 * rs6000.md (define_splits): Kill unused constraints.
537 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
538 Jan Hubicka <jh@suse.cz>
540 * function.c (thread_prologue_and_epilogue_insns): Kill code
541 dealing with non-existent CFG.
543 2001-08-01 Kazu Hirata <kazu@hxi.com>
545 * alias.c: Fix comment formatting.
546 * bitmap.c: Likewise.
547 * builtins.c: Likewise.
549 * c-common.c: Likewise.
550 * c-decl.c: Likewise.
551 * c-dump.c: Likewise.
553 * collect2.c: Likewise.
554 * combine.c: Likewise.
555 * conflict.c: Likewise.
556 * cppfiles.c: Likewise.
557 * cppinit.c: Likewise.
558 * cpplex.c: Likewise.
559 * cpplib.c: Likewise.
560 * cppmacro.c: Likewise.
561 * cppspec.c: Likewise.
562 * c-pragma.c: Likewise.
563 * crtstuff.c: Likewise.
565 * cselib.c: Likewise.
566 * c-semantics.c: Likewise.
567 * c-typeck.c: Likewise.
569 2001-08-01 H.J. Lu <hjl@gnu.org>
571 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
573 2001-08-01 H.J. Lu <hjl@gnu.org>
575 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
577 2001-08-01 Ziemowit Laski <zlaski@apple.com>
579 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
580 contextualizing Objective-C class name lookup by the lexer.
581 (typespec_reserved_nonattr): Disable ObjC class name lookup after
583 (protocoldef): Add support for forward @protocol declarations.
584 (yylexname): Suppress ObjC class name lookup in certain contexts;
585 re-enable after lookup is complete.
586 (_yylex): Re-enable ObjC class name lookup when certain
587 punctuation marks are seen.
589 * objc/objc-act.c (check_protocol_recursively): New function used
590 for finding circular dependencies in protocols.
591 (objc_declare_protocols): New function for handling forward
592 @protocol declarations.
593 (receiver_is_class_object): Detect the case when 'self' is used
594 inside of a class method.
595 (build_message_expr): Issue a warning if class method is desired
596 but instance method is found instead.
597 (conforms_to_protocol): Streamline.
598 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
599 protocol Foo, even if 'Bar foo' does not.
600 (check_protocols): Streamline.
601 (start_protocol): Add checks for circular and duplicate protocol
603 (encode_aggregate_within): For typedefs of structs, encode the
605 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
606 (objc_declare_protocols): New prototype.
608 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
610 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
611 * cpplex.c (handle_newline): Update prototype. Maintain logical
613 (skip_escaped_newlines, skip_block_comment, parse_string):
615 (_cpp_lex_token): Update, and store token position within the token.
616 * cpplib.h (struct cpp_token): Add line and column entries.
617 * cppmacro.c (replace_args): Position stringified tokens correctly.
619 2001-08-01 Andreas Jaeger <aj@suse.de>
621 * basic-block.h: Add prototype for last_loop_beg_note.
623 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
625 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
626 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
628 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
629 while handling WITH_CLEANUP_EXPR node. Use second operand calling
631 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
633 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
634 operand while calling simple_cst_equal.
635 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
636 operand is the cleanup expression, the third is the RTL_EXPR.
637 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
639 2001-07-31 Jeff Sturm <jsturm@one-point.com>
641 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
643 2001-07-31 matthew green <mrg@eterna.com.au>
645 * config.gcc (i386-*-netbsdelf): New description.
646 * config/i386/netbsd-elf.h: New file.
648 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
650 * loop.c (check_dbra_loop): Use single_set to compute
653 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
655 PowerPC reorg and support for powerpc64-*-linux*.
657 Also fixes emitting of constants on 32 bit and 64 bit
660 * config.gcc: powerpc64-*-linux* is a new target.
661 Things that needed aix.h now also include xcoff.h
663 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
665 Move AIX specific stuff into aix.h.
666 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
667 with more than just XCOFF now.
668 (SET_ASM_OP): Remove, now defined where needed.
669 (FUNCTION_PROLOGUE): New macro definition.
670 (FUNCTION_EPILOGUE): New macro definition.
671 (CONST_OK_FOR_LETTER_P): Change N to require that value is
673 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
675 * config/rs6000/xcoff.h: New file.
677 * config/rs6000/linux64.h: New file.
679 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
681 2001-07-31 Alan Modra <amodra@bigpond.net.au>
683 * rs6000.c (print_operand_address): Handle ELF syntax.
684 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
685 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
686 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
688 2001-07-31 David Edelsohn <edelsohn@gnu.org>
690 * rs6000.c (rs6000_override_options): Only disable
691 flag_function_sections for XCOFF.
692 (exact_log2_cint_operand): New predicate.
693 (reg_or_{add,sub}_cint64_operand): New predicates.
694 (add_operand): Compare CONST_INT with fewer function calls.
695 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
696 (print_operand, case 'p'): Ensure positive operand.
697 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
698 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
699 (PREDICATE_CODES): Add new predicates.
700 * rs6000.md (addsi3): Split 32-bit constants more correctly.
701 (divsi3, modsi3): Ensure positive power-of-2.
702 (adddi3): Use new predicate. Split 32-bit constants more
703 correctly. Re-arrange splitter to handle any constant.
704 (subdi3): Use new predicate.
705 (divdi3, moddi3): Ensure positive power-of-2.
706 (movdi): Use rs6000_emit_set_const.
707 (load_toc_v4_pic_di): Delete.
709 2001-07-31 Graham Stott <grahams@redhat.com>
711 * function.c (pad_below): Revert 2001-07-26 patch.
713 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
715 * reg-stack (convert_regs_1): Fix best edge condition.
717 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
719 * jump.c (duplicate_loop_exit_test): Better test for jumps
720 entering the loop; create loop pre_header.
722 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
724 * doc/install.texi: Add s390 and s390x as new targets.
725 * doc/invoke.texi: Add documantation of S/390 and zSeries
727 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
729 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
731 * config/m68k/m68k.md: Replace all general_operand with
732 nonimmediate_operand for all destinations.
733 * config/m68k/m68k.c (not_sp_operand): Likewise.
735 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
737 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
739 2001-07-30 Richard Henderson <rth@redhat.com>
741 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
742 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
744 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
746 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
747 Add missing doc strings
748 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
749 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
751 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
753 * i386.c (ix86_output_main_function_alignment_hack): New function.
754 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
756 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
757 edges by EDGE_DFS_BACK flag.
758 (dump_edge_info): Add dfs_back flag.
759 * basic-block.h (EDGE_DFS_BACK): New constant.
760 (mark_dfs_back_edges): Declare.
761 * alias.c (loop_p): Remove.
762 (mark_constant_function): Use mark_dfs_back_edges.
764 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
765 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
766 (compensate_edge): Break out from ...
767 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
768 (convert_regs_2): Set block_done once block is really done;
769 Do updating of the predecesors counts.
771 * toplev.c (rest_of_compilation): Recompute block_for_insn
772 before post-reload cfg_cleanup.
773 * function.c (thread_prologue_epilogue_insns):
774 Call set_block_for_new_insns when emitting prologue directly.
776 2001-07-30 Andreas Jaeger <aj@suse.de>
778 * jump.c: Add prototype for mark_modified_reg.
780 * cse.c (set_live_p): Add unused attribute.
782 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
784 (scan_for_source_files): Use long for count to avoid overflow.
785 (output_data): Likewise.
786 (output_data): Don't use string concatatenation to silence gcc
789 * predict.c: Fix typos and grammar.
791 * gcse.c (insert_insn_end_bb): Remove unused variables.
793 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
795 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
796 (attempt_auto_inc): LIkewise.
797 (mark_used_reg): Likewise.
798 (try_pre_increment_1): Likewise.
799 * regclass.c (regclass): Likewise.
800 * global.c (allocno_compare): Update comment; change scaling factor.
801 * local-alloc.c (QTY_CMP_PRI): Likewise.
802 * regs.h (REG_FREQ_FROM_BB): New.
803 (REG_FREQ_MAX): Likewise.
805 2001-07-30 H.J. Lu <hjl@gnu.org>
807 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
810 2001-07-30 H.J. Lu (hjl@gnu.org)
812 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
813 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
814 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
816 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
818 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
819 as -mthumb-interwork when -mcpu=arm7 is specified.
821 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
823 * predict.def (noreturn, loop branch, loop exit): Mark as first
826 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
828 * combine.c (try_combine): Avoid barrier after noop jumps.
830 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
832 * cpphash.h (struct cpp_reader): Remove import_warning.
833 * cpplib.c (skip_rest_of_line): Don't bother turning off
835 (parse_include): Move include handling to...
836 (do_include_common): ... here. Move import warning from...
837 (do_import): ... here.
838 (do_pragma_poison): Don't do a callback for poison identifiers.
839 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
840 * cppmain.c (setup_callbacks): Similarly.
842 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
844 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
845 handle multiple sets.
846 * except.c (sjlj_mark_call_sites): .... here.
847 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
849 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
851 Suggested by Richard Henderson and Richard Kenner:
852 * combine.c (recog_for_combine): Use the fake recog
853 only if instruction does not match.
854 * rtl.h (NOOP_MOVE_INSN_CODE): New.
855 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
857 * combine.c (try_combine): Discover noop jump as direct jump.
859 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
861 * df.c (df_rd_global_compute): Add successors to worklist, not
863 (df_ru_global_compute): Ditto.
865 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
867 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
868 increment REG_N_SETS.
870 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
872 * sbitmap.h: New prototype for sbitmap_a_xor_b.
874 * sbitmap.c (sbitmap_a_xor_b): New function.
875 ifdef the basic block stuff on IN_GCC.
877 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
879 * cppexp.c (parse_defined): Always record the macro name.
880 (lex): Don't worry about identifiers, or special-case
882 (_cpp_parse_expr): Figure out at the end of the routine
883 whether we saw a valid !defined() expression.
884 * cppfiles.c (stack_include_file): Update for mi_valid.
885 (_cpp_pop_file_buffer): Similarly.
886 * cpplex.c (_cpp_lex_token): Similarly.
887 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
888 mi_if_not_defined, mi_lexed): Remove.
890 * cpplib.c (do_if): Simplify.
891 (do_endif, push_conditional, _cpp_handle_directive): Update
892 for renaming of mi_state to mi_valid.
894 * cpp.texi: Add index entries for digraphs, and add comment
895 that C++ refers to them as alternative tokens.
897 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
899 * basic-block.h (CLEANUP_PRE_LOOP): New.
900 * except.c (finish_eh_generation): Update call of cleanup_cfg.
901 * sibcall.c (optimize_sibling_calls): Likewise.
902 * toplev.c (rest_of_compilation): Likewise.
903 * flow.c (try_forward_edges): Take argument MODE;
904 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
905 (try_optimize_cfg): Update call of try_forward_edges.
907 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
908 Jan Hubicka <jh@suse.cz>
910 * (validate_replace_rtx_1): Fix simplification of MINUS.
912 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
915 * cppinit.c (init_dependency_output): Turn off dump requests
916 if sending dependencies to stdout.
918 2001-07-28 Richard Henderson <rth@redhat.com>
920 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
923 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
925 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
927 2001-07-28 Kazu Hirata <kazu@hxi.com>
929 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
930 is VAR_DECL first to prevent an ICE.
932 2001-07-28 Richard Henderson <rth@redhat.com>
934 * varasm.c (immed_real_const_1): Don't elide special cases for
936 (clear_const_double_mem): Clear const_tiny_rtx too.
938 2001-07-28 Richard Henderson <rth@redhat.com>
940 * dwarf2out.c (dw_val_class_offset): New.
941 (struct dw_ranges_struct, dw_ranges_ref): New.
942 (ranges_table, ranges_table_allocated): New.
943 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
944 (add_AT_offset, add_ranges, output_ranges): New.
945 (print_die, output_die): Handle dw_val_class_offset.
946 (attr_checksum, size_of_die, value_format): Likewise.
947 (gen_lexical_block_die): Handle non-contiguous blocks.
948 (gen_block_die): Likewise.
949 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
950 if needed. Dump the ranges table.
951 * final.c (final_start_function): Remove unnecessary notes and
952 rebuild the block tree before numbering the blocks.
953 * function.c (reorder_blocks_0): Walk the existing block tree
954 to unmark all blocks.
955 (reorder_blocks_1): Create block fragments when duplicate block
957 (reorder_fix_fragments): New.
958 (reorder_blocks): Call it.
959 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
961 2001-07-28 Richard Henderson <rth@redhat.com>
963 * emit-rtl.c (adjust_address): Make a copy of the memory address.
965 2001-07-28 Richard Henderson <rth@redhat.com>
967 * flow.c (add_to_mem_set_list): New function.
968 (init_propagate_block_info): Use it.
969 (mark_set_1): Likewise.
970 (insn_dead_p): Canonicalize memory address for dead store
971 comparison. Allow wider mode stores to kill narrower mode stores.
972 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
973 (invalidate_mems_from_set): Don't handle MEMs.
975 2001-07-28 Kazu Hirata <kazu@hxi.com>
977 * config/h8300/h8300.h: Fix formatting.
979 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
981 * basic-block.h (EDGE_FREQUENCY): New macro.
982 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
984 * flow.c (find_sub_basic_blocks): Likewise.
985 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
986 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
988 * predict.c (DEF_PREDICTOR): New argument FLAGS.
989 (HITRATE): New macro.
990 (PRED_FLAG_FIRST_MATCH): New constant.
991 (predictor_info): New field flgags.
992 (combine_predictions_for_insn): Use DS theory to combine
993 probabilities; set the edge probabilities when finished.
994 (estimate_probability): Avoid duplicated matches
995 of LOOP_BRANCH heuristics for nested loops; update comment.
996 * predict.def: Add flags for each prediction, set probabilities
997 according to B&L paper.
998 * predict.h (DEF_PREDICTOR): New argument FLAGS.
1000 * profile.c (compute_branch_probabilities): Cleanup way the edge
1001 probabilities are computed and REG_BR_PROB notes are dropped; if
1002 values does not match, emit error.
1003 (init_branch_prob): Do error instead of warning when profile driven
1004 feedback is missing or corrupt.
1006 2001-07-27 DJ Delorie <dj@redhat.com>
1008 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
1009 against a constant, try to adjust the compare to have the desired
1010 constant in it so that min/max optimizations happen more often.
1012 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1014 * flow.c (last_loop_beg_note): New function.
1015 (redirect_edge_and_branch): Use it.
1016 (split_edge): Likewise.
1018 * alias.c (loop_p): Avoid uninitialized memory access.
1020 * flow.c (try_forward_edges): Avoid accessing freed memory.
1022 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1025 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1027 * doc/install.texi (Configuration): Properly link the host
1028 specific instructions also when generating HTML.
1030 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1032 * flow.c (redirect_edge_and_branch_force): Test
1033 target->global_live_at_start.
1035 2001-07-26 Richard Henderson <rth@redhat.com>
1037 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1038 * rtl.h (avoid_constant_pool_reference): Declare it.
1039 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1040 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1042 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1044 * rtl.h (cleanup_barriers): Declare.
1045 * jump.c (cleanup_barriers): New function.
1046 * toplev.c (rest_of_compilation): Call cleanup_barriers
1047 before loop optimizer and after bb_reorder.
1049 * flow.c (back_edge_of_syntactic_loop_p): New.
1050 (split_edge): Use it.
1052 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1054 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1056 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1058 * cse.c (cse_process_notes): Replace any registers if the address
1061 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1063 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1064 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1065 (propagate_block): Update prototype.
1066 * flow.c (update_life_info): Simplify the CFG and
1067 recalculate the global regs which are alive when
1068 removing dead code during a global update.
1069 (propagate_block): Return non-zero if an INSN is
1072 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1074 * Makefile.in (LIBICONV): Define.
1076 2001-07-26 Catherine Moore <clm@redhat.com>
1078 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1079 of conditional to avoid tree checking errors.
1081 2001-07-26 Kazu Hirata <kazu@hxi.com>
1083 * regmove.c (regmove_optimize): Don't replace a reg with
1084 another reg of a different mode.
1086 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1088 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1089 limit length of dependancy flush list.
1090 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1091 * sched-int.h (struct deps): Add pending_flush_length field.
1092 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1093 has 1 element in it.
1094 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1095 (sched_analyze): After a jump, if the pending memory flush list is too
1096 large, flush the pending lists.
1097 (init_deps): Initialize pending_flush_length to 0.
1098 * doc/invoke.texi (max_pending_list_length): Document parameter.
1100 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1102 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1103 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1104 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1106 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1108 * cpphash.h (struct_lexer_state): Delete was_skipping.
1109 Move skipping here from struct cpp_reader.
1110 * cpplex.c (parse_identifier): Update.
1111 (_cpp_lex_token): Don't skip tokens in a directive.
1112 * cpplib.c (struct if_stack): Update.
1113 (start_directive, end_directive): Don't change skipping state.
1114 (_cpp_handle_directive): Update.
1115 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1116 (do_else, do_endif): Update; only check for excess tokens if not
1117 in a skipped conditional block.
1118 (push_conditional): Update for new struct if_stack.
1120 2001-07-26 Graham Stott <grahams@redhat.com>
1122 * function.c (locate_and_pad_parm): Also pad initial offset
1123 so that the total argument size also includes the padding.
1125 2001-07-26 Graham Stott <grahams@redhat.com>
1127 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1128 change XSTR to XTMPL.
1130 (process_one_cond_exec): Likewise
1132 2001-07-25 Richard Henderson <rth@redhat.com>
1134 * varasm.c (assemble_variable): Create DECL_RTL before setting
1137 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1139 * predict.c (estimate_probability): Avoid duplicated predictions.
1141 * loop.c (find_and_verify_loops): Grok multiple barriers.
1143 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1145 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1147 * dbxout.c: Consistently use putc instead of fputc.
1148 (print_wide_int): New function; call instead of direct fprintf.
1149 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1150 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1151 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1152 (print_int_cst_octal): Likewise.
1153 (print_octal): Show we wrote characters.
1154 (dbxout_type): Set have_used_extensions in more places.
1156 2001-07-25 Catherine Moore <clm@redhat.com>
1158 * config/v850/v850.c (v850_va_arg): Use addr
1159 instead of valist to build incr.
1161 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1163 * flow.c (delete_dead_jumptables): New function.
1164 (life_analyzis): Call it.
1165 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1168 2001-07-25 Richard Henderson <rth@redhat.com>
1170 * except.c (reachable_handlers): Handle a region being removed
1171 out from under a RESX.
1173 2001-07-25 Richard Henderson <rth@redhat.com>
1175 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1176 swap GE/GT if it is an fp comparison.
1178 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1180 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1183 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1185 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1186 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1189 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1191 (visit_expression): When attempting to simplify an expression,
1192 retrieve any modes for arguments before they are simplified
1195 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1196 Janis Johnson <janis@us.ibm.com>
1198 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1199 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1200 pointer parameters to match documented usage of nonlocal_goto.
1201 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1202 parameters to their correct order.
1203 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1204 parameters to their correct order.
1206 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1208 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1210 2001-07-25 Jan Hubicka <jh@suse.cz>
1211 Richard Henderson <rth@redhat.com>
1213 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1215 (make_edges): New argument update_p; populate the edge cache if set.
1216 (find_basic_blocks): Update make_edges invocation.
1218 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1220 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1222 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1224 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1225 -Acpu and -Amachine.h.
1226 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1227 Corrected header to say ELF not a.out.
1228 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1229 when given -msoft-float.
1231 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1233 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1234 extra multilib parts like arm-elf.
1235 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1236 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1237 crtfini.o as extra multilib parts.
1239 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1241 * configure.in: Add rtems as a supported thread model.
1242 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1243 * configure: Rebuilt.
1245 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1247 * stor-layout.c (get_mode_alignment): make it work when
1248 BITS_PER_UNIT is not a power of two.
1249 * builtins.c (get_pointer_alignment): Likewise.
1251 2001-07-24 Richard Henderson <rth@redhat.com>
1253 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1254 the retrieved constant into the expected mode.
1256 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1258 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1259 (verify_flow_info): Check for duplicated edges; clarify
1262 * flow.c (block_label): Update basic_block_for_insn.
1263 (commit_edge_insertions): Call compute_bb_for_insn.
1265 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1268 * flow.c (redirect_edge_and_branch,
1269 try_optimize_cfg): Use redirect_edge_succ_nodup
1270 (redirect_edge_succ_nodup): New.
1271 * basic_block.h (redirect_edge_succ_nodup): Declare.
1273 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1276 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1278 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1279 (try_crossjump_to_edge): Update commetns.
1280 (try_crossjump_bb): Likewise.
1282 2001-07-24 Richard Henderson <rth@redhat.com>
1284 * combine.c (distribute_notes): Move set of need_refresh
1285 for noop_move_p down to catch all cases.
1287 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1289 * recog.c (split_all_insns_noflow): New.
1290 * rtl.h (split_all_insns_noflow): Declare.
1291 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1292 * m68hc11.c (m68hc11_reorg): Likewise.
1293 * sh.c (machine_dependent_reorg): Likewise.
1294 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1297 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1299 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1300 (ashlsi3_n splitter): Likewise.
1301 (lshrsi3_n splitter): Likewise.
1303 (GOTaddr2picreg): Make const SImode.
1304 (sym_label2reg): Likewise.
1305 (symGOT2reg): Likewise.
1306 (symGOTOFF2reg) Likewise.
1308 (casesi_worker_0): Make unspec SImode.
1310 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1312 * config/sh/sh.c (barrier_align): Check that an operand really is
1313 an insn before extracting its INSN_CODE.
1315 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1317 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1320 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1321 for SImode to prevent overflow.
1323 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1325 * config/mips/irix6-libc-compat.c: New file.
1326 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1327 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1330 2001-07-24 lars brinkhoff <lars@nocrew.org>
1332 * rtl.texi (REG_POINTER): Document.
1333 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1334 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1336 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1338 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1340 2001-07-23 Richard Henderson <rth@redhat.com>
1342 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1344 2001-07-23 Kazu Hirata <kazu@hxi.com>
1346 * config/h8300/h8300-protos.h: Add a prototype for
1347 general_operand_dst_push.
1348 * config/h8300/h8300.c (general_operand_dst_push): New.
1349 * config/h8300/h8300.h (OK_FOR_T): New.
1350 (EXTRA_CONSTRAINT): Use it.
1351 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1352 the existing movqi pattern.
1353 (movhi_push): Likewise.
1355 * reload.c: Fix comment typos.
1357 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1359 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1361 2001-07-23 H.J. Lu (hjl@gnu.org)
1363 * doc/extend.texi: Update __builtin_return_address and
1364 __builtin_frame_address.
1366 2001-07-23 Richard Henderson <rth@redhat.com>
1368 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1370 * config/i386/i386.md: New setcc+movzbl peephole2.
1372 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1374 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1375 * objc/objc-act.c: Include debug.h.
1376 (synth_module_prologue): Save and restore debug hooks too.
1378 2001-07-23 lars brinkhoff <lars@nocrew.org>
1380 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1381 and C4X_FLOAT_FORMAT.
1382 (BOOL_TYPE_SIZE): Document.
1384 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1386 * unroll.c (loop_iterations): Fix miscalculation of initial
1389 2001-07-13 Andrew Haley <aph@redhat.com>
1391 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1392 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1393 * config/sh/sh.c (sh_can_redirect_branch): New function.
1394 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1395 * reorg.c (steal_delay_list_from_target): Use
1396 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1398 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1400 * flow.c (try_simplify_condjump): Unlink insn chain on
1401 fallthru edge; use can_fallthru.
1403 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1405 * basic-block.h (find_sub_basic_block): Declare.
1406 * flow.c (make_edges): New arguments MIN and MAX;
1407 (find_sub_basic_blocks): Revamp to use make_edges
1408 and purge_dead_edges.
1409 (find_basic_blocks): Update call of find_sub_basic_block.
1411 * recog.c (split_all_insns): Always expect CFG to be consistent;
1412 call find_sub_basic_blocks in case something has changed.
1413 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1416 * basic-block.h (delete_noop_moves): Declare.
1417 * combine.c (combine_instructions): Call it.
1418 (recog_for_combine): Tolerate noop moves
1419 (distribute_notes): Force refresh when register dies at noop move.
1420 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1422 (life_analysis): Update delete_noop_moves call.
1423 (set_noop_p): Move too ...
1424 * rtlanal.c (noop_move_p): ... here.
1425 * rtl.h (noop_move_p): Declare.
1427 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1428 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1430 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1431 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1433 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1435 * reload.c (push_reload): Fix typo in comment.
1436 (find_reloads_address): Ditto.
1437 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1439 2001-07-22 Richard Henderson <rth@redhat.com>
1441 * flow.c: Grammar check and clarify a lot of comments.
1442 (try_simplify_condjump): Rename variables to be clearer.
1443 (try_forward_edges): Skip complex and fallthru edges.
1444 Rearrange tests to avoid duplicate checks.
1445 (flow_find_cross_jump): Likewise.
1446 (outgoing_edges_match): Allow match if neither branch has
1447 probability data. Loosen probability match to 5%.
1448 (try_crossjump_to_edge): Hoist repeated indirection into
1450 (try_crossjump_bb): Don't check complex edges. Eliminate
1451 redundant crossjump tests.
1452 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1453 checks before more expensive checks.
1455 2001-07-22 Richard Henderson <rth@redhat.com>
1457 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1458 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1461 2001-07-22 Richard Henderson <rth@redhat.com>
1463 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1464 (const_sint32_operand): Likewise.
1465 * m68k.md (anon mulsi pattern): Use const_int_operand not
1466 const_sint32_operand.
1467 (umulsi3_highpart): Zero extend a constant input.
1468 (smulsi3_highpart): Don't bother checking SImode constant.
1469 (const_umulsi3_highpart): Give op3 DImode.
1470 (const_smulsi3_highpart): Likewise.
1472 2001-07-22 Richard Henderson <rth@redhat.com>
1474 * flow.c (split_block): Make sure bb_note is included in the
1475 new block when splitting before a label.
1477 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1479 * basic-block.h (redirect_edge_and_branch_force,
1480 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1481 * flow.c (redirect_edge_and_branch_force,
1482 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1483 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1484 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1485 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1486 instead of label; update CFG after transformation.
1487 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1488 for finishing the transformation; handle even case where ELSE
1489 does not follow THEN.
1490 (find_if_case_2): Update call of dead_or_predictable; simplify
1493 * emit-rtl.c (split_branch_probability): New global variable.
1494 (try_split): Take care to set split_branch_probability and
1495 create REG_BR_PROB note for new jump insns.
1496 * md.texi (define_split): Document new feature.
1498 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1500 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1502 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1503 (asm_out_file): Remove redundant declaration.
1504 (assemble_asm): Remove old #if 0 block.
1505 (assemble_variable): Remove end of function; debug output is
1506 now handled with global_decl. Remove old #if 0 block. Update.
1507 Remove saved_in_section and associated no-op code.
1508 * Makefile.in (varasm.o): Correct dependencies.
1510 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1512 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1513 the definition in defaults.h.
1515 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1517 * jump.c: Update comments.
1518 (delete_barrier_successors, delete_unreferenced_labels,
1519 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1520 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1521 jump_optimize, jump_optimize_minimal): Kill.
1522 (rebuild_jump_labels): Move code from jump_optimize_1.
1523 (purge_line_number_notes): Likewise.
1524 (copy_loop_headers): Likewise.
1525 * reg-stack.c: Update comment.
1527 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1528 JUMP_AFTER_REGSCAN): Kill.
1529 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1530 purge_line_number_notes and copy_loop_headers.
1532 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1533 Richard Henderson <rth@redhat.com>
1535 * dbxout.c (dbxout_global_decl): New.
1536 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1537 * sdbout.c (sdbout_finish): New.
1538 (sdbout_debug_hooks): Use it, add comments.
1539 (sdbout_global_decl): Defer initialised public vars to
1541 * varasm.c (assemble_variable): Don't output debug information
1542 for file-scope variables.
1544 2001-07-22 Richard Henderson <rth@redhat.com>
1546 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1547 (get_round_mode_suffix): New.
1548 (print_operand): Use them for [/]. Remove support for [&'`()+].
1549 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1550 * config/alpha/alpha.md (attr round_suffix): New.
1551 (attr trap_suffix): New.
1552 (all insns): Set them appropriately. Use %/ instead of the
1555 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1557 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1559 2001-07-22 Richard Henderson <rth@redhat.com>
1561 * regrename.c (regrename_optimize): Compute nregs for each
1562 potential target register.
1564 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1565 Richard Henderson <rth@redhat.com>
1567 * dbxout.c (dbxout_global_decl): New.
1568 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1569 * sdbout.c (sdbout_finish): New.
1570 (sdbout_debug_hooks): Use it, add comments.
1571 (sdbout_global_decl): Defer initialised public vars to
1573 * varasm.c (assemble_variable): Don't output debug information
1574 for file-scope variables.
1576 2001-07-21 H.J. Lu (hjl@gnu.org)
1578 * config/mips/mips.c (mips_cpu): Moved into ...
1579 (override_options): Here.
1581 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1583 (mips_cpu): Removed.
1585 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1587 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1588 ("iorqi3"): Likewise.
1589 ("xorqi3"): Likewise.
1590 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1591 ("*subhi3_sp): Likewise.
1592 ("*subhi3"): Likewise.
1593 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1596 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1598 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1599 * config/freebsd.h: Likewise.
1600 * config/linux.h: Likewise.
1601 * config/openbsd.h: Likewise.
1602 * config/alpha/linux-elf.h: Likewise.
1603 * config/arm/linux-elf.h: Likewise.
1604 * config/d30v/d30v.h: Likewise.
1605 * config/fr30/fr30.h: Likewise.
1606 * config/ia64/aix.h: Likewise.
1607 * config/ia64/ia64.h: Likewise.
1608 * config/mips/linux.h: Likewise.
1609 * config/pj/pj.h: Likewise.
1610 * config/rs6000/linux.h: Likewise.
1611 * config/sparc/linux.h: Likewise.
1612 * config/sparc/linux64.h: Likewise.
1614 2001-07-20 Bruce Korb <bkorb@gnu.org>
1616 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1617 because getc() and char* may disagree on signedness.
1619 2001-07-20 Richard Henderson <rth@redhat.com>
1621 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1623 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1624 insns to delete in the presence of cc0 in a jump insn.
1626 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1627 Jan Hubicka <jh@suse.cz>
1629 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1630 of doing the change by hand.
1632 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1634 * rtlanal.c (set_noop_p): Return true for noop jumps.
1636 * expr.c (emit_single_push_insn): Add call to push expander.
1637 * expr.h (optab_index): Add OTI_push
1638 (push_optab): New constant.
1639 * genopinit.c (optabs): Add push_optab.
1640 * optabs.c (init_optab): Init push optab.
1641 * md.texi (push??1): Document
1643 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1645 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1646 expand to emit the pattern; put a REG_INC note for push/pop
1648 ("movdf", "movdf_internal"): Likewise.
1649 ("movsi", "movsi_internal"): Likewise.
1650 ("movsf", "movsf_internal"): Likewise.
1651 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1653 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1655 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1658 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1660 * params.def: Change default max inline insns to 100.
1662 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1664 * combine.c (combine_simplify_rtx): Generate a new shift operation
1665 when simplifying the first operand of a (neg (ashift)) expression.
1667 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1669 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1671 2001-07-20 Kelley Cook <kelley.cook@home.com>
1673 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1674 information. Move rest into ...
1675 (*-*-solaris): ... here. Eliminate redundant information and
1676 reword necessary packages section. Delete 4.x assembler bug info.
1677 (sparc-sun-*): Merge into ...
1678 (sparc-sun-sunos*): here.
1680 2001-07-20 Catherine Moore <clm@redhat.com>
1682 * config/v850/v850.md (casesi): Generate LABEL_REF
1685 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1687 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1688 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1689 * i386.md (strclrsi expander): Use it.
1691 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1693 * integrate.c (copy_insn_list): handle
1694 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1695 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1696 identically as to CODE_LABEL.
1698 * fold-const (fold): Convert A/B/C to A/(B*C) and
1701 * except.c (connect_post_landing_pads): Delete the RESX insns.
1703 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1705 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1707 * config/mips/mips.md (nmadd/nmsub): Use macro.
1709 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1711 * cppinit.c (remove_dup_dir): Make static.
1712 (remove_dup_dirs): Make static. Only warn about preempting a
1713 system directory with a non-system directory.
1715 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1717 * ifcvt.c (noce_try_store_flag_constants): Correct order
1718 of parameters to trunc_int_for_mode.
1720 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1722 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1723 an exception that will be caught within this function, do not fill
1724 its delay slot with any subsequent instruction.
1726 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1728 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1729 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1730 pointer extension instruction.
1731 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1732 * simplify-rtx.c (simplify_unary_operation) Likewise.
1733 * explow.c (convert_memory_address) Check value of
1734 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1736 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1737 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1738 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1739 Add Multilib Support.
1740 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1741 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1742 Add Multilib Support.
1743 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1745 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1746 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1747 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1749 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1751 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1752 old and new operands in `<', `3' and `b'.
1754 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1756 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1757 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1758 (toplev.o): Don't depend on xcoffout.h.
1759 * c-decl.c: Include debug.h
1760 (duplicate_decls): Use debug hook.
1761 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1762 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1763 (dbxout_types): Remove.
1764 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1765 * debug.c (do_nothing_debug_hooks): Update.
1766 (debug_true_tree, debug_nothing_rtx): New.
1767 * debug.h (struct rtx_def): New.
1768 (struct gcc_debug_hooks): New hooks ignore_block,
1769 outlining_inline_function and label.
1770 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1771 dwarf2out_frame_finish): New.
1772 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1773 Make static, update prototype.
1774 (dwarf2_debug_hooks): Update.
1775 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1776 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1777 * dwarfout.c (dwarf_debug_hooks): Update.
1778 * emit-rtl.c: Include debug.h.
1779 (remove_unnecessary_notes): Use debug hook.
1780 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1781 (final_scan_insn): Use debug hook.
1782 * integrate.c (output_inline_function): Use debug hook.
1783 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1784 (sdb_debug_hooks): Update.
1785 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1786 * toplev.c: Don't include xcoffout.h.
1787 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1788 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1790 * tree.h (dwarf2out_do_frame): Remove.
1792 2001-07-19 Catherine Moore <clm@cygnus.com>
1794 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1796 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1798 * reload1.c (eliminate_regs_in_insn): When updating a set
1799 to the frame pointer to the hardware frame pointer, perform
1800 the update always not just when REPLACE is set.
1802 * reload1.c (choose_reload_regs): Don't inherit a reload
1803 that crosses multiple registers if registers past the first
1804 don't fit in the desired class.
1806 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1807 when negating constants.
1809 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1811 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1812 * doc/tree.texi: Ditto.
1814 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1815 Jakub Jelinek <jakub@redhat.com>
1817 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1818 (extract_cie_info): Handle "eh" augmentation properly,
1820 (struct frame_state, __frame_state_for): New.
1822 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1824 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1825 HANDLE_SYSV_PRAGMA): Define.
1826 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1828 (copy_object): Caller changed.
1830 2001-07-19 Andreas Schwab <schwab@suse.de>
1832 * configure.in (assembler dwarf2 debug_line support): Define nop
1834 * configure: Regenerated.
1836 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1840 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1841 to conditionally compiled block.
1842 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1843 * dbxout.h (dbxout_function): Remove.
1844 * debug.c (do_nothing_debug_hooks): Update.
1845 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1846 global_decl, deferred_inline_function.
1847 * dwarf2out.c (dwarf2_debug_hooks): Update.
1848 (dwarf2out_global_decl): New.
1849 * dwarfout.c: Don't include dwarfout.h.
1850 (dwarfout_global_decl, dwarfout_function_decl,
1851 dwarfout_deferred_inline_function): New.
1852 (dwarf_debug_hooks): Update.
1853 * dwarfout.h: Remove.
1854 * final.c: Don't include dwarfout.h.
1855 * sdbout.c (sdbout_global_decl): New.
1856 (sdbout_debug_hooks): Update.
1857 * toplev.c: Don't include dwarfout.h.
1858 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1859 (note_deferral_of_defined_inline_function): Remove.
1860 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1861 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1862 * ch/lex.c: Don't include dwarfout.h.
1863 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1864 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1865 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1866 * cp/optimize.c: Include debug.h.
1867 (maybe_clone_body): Use debug hook.
1868 * cp/semantics.c: Include debug.h.
1869 (expand_body): Use debug hook.
1870 * po/POTFILES.in: Remove dwarfout.h.
1872 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1875 * c-parse.in (yyerror, _yylex): Similarly.
1876 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1877 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1879 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1880 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1882 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1884 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1885 in-class declaration at -g1. Fixes c++/2814.
1887 2001-07-18 Richard Henderson <rth@redhat.com>
1889 * doc/md.texi (reload_in/out): Document restrictions in predicates
1890 and constraints for these patterns. Document empty string matching
1893 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1895 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1897 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1899 * cse.c: Undo my previous patch.
1901 2001-07-18 Tom Tromey <tromey@redhat.com>
1904 * configure: Rebuilt.
1905 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1907 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1909 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1910 Jan Hubicka <jh@suse.cz>
1912 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1913 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1914 * jump.c (mark_jump_label): Do not forward branches.
1916 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1918 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1919 when return value is unused.
1921 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1923 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1925 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1927 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1928 on error. We can't blindly return the result of
1929 pthread_mutex_trylock because it returns a positive number on
1930 error, while we must return -1 on error.
1931 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1933 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1935 2001-07-18 Andreas Jaeger <aj@suse.de>
1937 * integrate.c (output_inline_function): Correct type of debug_hooks.
1939 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1941 * combine.c (combine_simplify_rtx): DIV can be treated
1942 associatively for floats if unsafe math optimisations are enabled.
1944 2001-07-17 Richard Henderson <rth@redhat.com>
1946 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1948 2001-07-17 Richard Henderson <rth@redhat.com>
1950 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1951 don't force the function address into a register.
1952 (expand_call, emit_library_call_value_1): Update callers.
1953 * builtins.c (expand_builtin_apply): Likewise.
1954 * expr.h (prepare_call_address): Update decl.
1956 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1958 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1960 * config/i386/chorus.h: Move up.
1961 * config/sparc/chorus.h: Likewise.
1962 * config/rs6000/chorus.h: Likewise.
1963 * config/chorus.h: Moved here.
1965 2001-07-17 Andreas Schwab <schwab@suse.de>
1967 * configure.in (assembler eh_frame optimization): Handle big
1969 * configure: Regenerated.
1971 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1973 * expr.c (epxand_expr): Convert divisions into multiplications by
1974 reciprocals if -ffast-math.
1976 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1978 * dbxout.c (dbxout_really_begin_function): Rename to
1979 dbxout_begin_function.
1980 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1981 (dbxout_begin_function): Remove.
1982 (dbxout_function): Update.
1983 (dbxout_source_line): Update prototype.
1984 * dbxout.h (dbxout_begin_function): Remove.
1985 * debug.c (do_nothing_debug_hooks): Update.
1986 (debug_nothing_tree): Update.
1987 (debug_nothing_charstar_rtx): Remove.
1988 * debug.h (union tree_node): Declare.
1989 (struct rtx_def): Remove.
1990 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1991 begin_function. Change source_line prototype.
1992 (debug_nothing_tree): New.
1993 (debug_nothing_charstar_rtx): Delete.
1994 (dwarf2out_begin_prologue): Moved from ...
1996 * dwarf2out.c (dwarf2_debug_hooks): Update.
1997 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1998 debug info, call dwarf2out_source_line.
1999 (dwarf2out_souce_line): Update prototype.
2000 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
2001 Change prototype, make static.
2002 (dwarfout_source_line): Update prototype.
2003 (dwarf_debug_hooks): Update.
2004 * dwarfout.h (dwarfout_begin_function): Remove.
2005 * final.c (final_start_function, final_scan_insn): Use appropriate
2006 debug hooks, update to use notice_source_line.
2007 (output_source_line): Rename notice_source_line. Don't call the
2008 source_line debug hook.
2009 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
2010 make static, update prototype.
2011 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
2013 (sdbout_end_prologue): New.
2014 (sdbout_source_line): Update prototype.
2015 (sdbout_debug_hooks): Update.
2016 (sdbout_symbol): Remove unused var.
2017 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
2019 * varasm.c: Include debug.h.
2020 (assemble_start_function): Use begin_function debug_hook.
2021 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2022 update with prototype.
2023 (xcoffout_source_line): Update prototype.
2024 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2026 (xcoffout_source_line): Update prototype.
2028 2001-07-17 Richard Henderson <rth@redhat.com>
2030 * c-typeck.c (build_binary_op): Do not shorten unsigned
2031 right shift after sign extension.
2033 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2035 * combine.c (combine_simplify_rtx): Attempt to simplify
2036 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2038 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2039 (simplify_binary_operation, simplify_unary_operation,
2040 simplify_relational_operation): Use it.
2042 * combine.c (combine_simplify_rtx): Don't do associative law
2043 on divisions; allow associative law on floats.
2045 2001-07-17 H.J. Lu <hjl@gnu.org>
2046 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2048 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2049 ASM_OUTPUT_WEAK_ALIAS are defined.
2050 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2051 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2053 * config/mips/iris5.h: ... here.
2054 (HANDLE_SYSV_PRAGMA): Defined as 1.
2055 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2056 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2059 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2061 * c-parse.in (all_prefix_attributes): New variable.
2062 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2063 (maybe_resetattrs): New production.
2064 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2065 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2066 notype_initdcl, nested_function, notype_nested_function,
2067 component_decl, components, components_notype,
2068 component_declarator, component_notype_declarator,
2069 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2070 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2071 after a comma being applied to more than one declarator.
2072 * doc/extend.texi (Attribute Syntax): Update. Remove
2073 documentation of bugs that are no longer present.
2075 2001-07-13 Eric Christopher <echristo@redhat.com>
2077 * config/mips/mips.h: Change TUNE_MIPS* options to use
2079 (EXTRA_SPECS): Add cc1_cpu_spec.
2080 * config/mips/mips.md (muldf3): Fix typo.
2082 2001-07-16 Richard Henderson <rth@redhat.com>
2084 * config/m68k/m68k.c: Include expr.h and reload.h.
2085 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2086 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2088 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2089 Richard Henderson <rth@redhat.com>
2091 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2092 (insn_live_p): Fix fall off end of function.
2093 (dead_libcall_p): Remove COUNTS argument; update callers.
2094 (delete_trivially_dead_insns): Remove unused variables.
2096 2001-07-17 Andreas Jaeger <aj@suse.de>
2098 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2101 * lcm.c (optimize_mode_switching): Avoid warning for unused
2102 variable if !NORMAL_MODE.
2104 * flow.c (try_crossjump_to_edge): Remove unused variable.
2106 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2108 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2109 atexit declaration in stdlib.h.
2111 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2113 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2115 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2117 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2118 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2119 do rebuild_jump_labels instead of jump_optimize
2120 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2121 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2122 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2124 * flow.c: Include timevar.h
2125 (find_basic_block): Push/pop timevar;
2126 (cleanup_cfg): Likewise.
2127 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2128 * Makefile: Add dependencies on timevar.h
2130 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2131 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2133 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2134 * toplev.c (rest_of_compilation): Update calls.
2135 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2136 (delete_trivially_dead_insns): ... here; accept new argument
2137 preserve_basic_blocks; preserve basic blocks if set.
2139 * reg-stack.c (stack_regs_mentioned): Return 0 if
2140 stack_regs_mentioned_data is not initialized.
2141 (reg_to_stack): Make stack_regs_mentioned survive after the
2142 reg-stack is completted; do not call cleanup_cfg.
2143 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2144 make cleanup_cfg after bb-reorder to output to debug file.
2146 2001-07-16 Richard Henderson <rth@redhat.com>
2148 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2149 from int_reg_class_contents.
2151 2001-07-16 Richard Henderson <rth@redhat.com>
2153 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2154 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2155 (init_reg_sets_1): Move initialization from cse_main.
2156 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2157 (cse_main): Move its initialization also.
2158 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2159 * flow.c (propagate_one_insn): Likewise.
2160 * gcse.c (compute_hash_table): Likewise.
2161 (compute_kill_rd, compute_store_table): Likewise.
2162 * sched-deps.c (sched_analyze_1): Likewise.
2164 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2166 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2169 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2171 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2172 in if statement so we don't access undefined memory.
2174 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2176 * gcse.c: Update comment at top.
2177 Update comment on mem handling.
2178 mem_last_set, mem_first_set, mem_set_in_block: gone.
2179 Declaration of reg_set_info: gone.
2180 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2181 pointless with load_killed_in_block_p (they are *more*
2182 conservative then it, not less, and less accurate).
2183 (oprs_not_set_p): Ditto.
2184 (alloc_gcse_mem): Don't allocate mem_set_in_block
2185 (free_gcse_mem): Don't free it, either.
2186 (record_last_mem_set_info): Update comment in front, remove
2187 mem_*set_* stuff. Note the reason we don't handle stores directly
2189 (compute_hash_table): Update comments to reflect reality. Remove
2190 mem_*set_* references.
2191 (reset_opr_set_tables): Remove mem_*set_* references.
2193 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2194 (mark_clobber): Ditto (on both parts, we double set here too).
2195 (expr_killed_p): Remove mem_set_in_block test.
2196 (compute_transp): Remove mem_set_in_block test.
2198 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2199 of edge, and removal of phi alternative to dump file.
2200 (ssa_ccp_substitute_constants): Add note about register now being
2201 constant, and which uses were replaced in what insns to dump file.
2203 2001-07-16 Andreas Jaeger <aj@suse.de>
2205 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2206 variables of type HOST_WIDEST_INT.
2208 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2209 (__bb_exit_func): Correct type of count_max to avoid overflow.
2210 (num_digits): Handle long long argument.
2212 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2214 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2216 * output.h (sdb_begin_function_line): Restore as an extern
2218 * sdbout.c (sdb_begin_function_line): Make extern.
2220 2001-07-15 Richard Henderson <rth@redhat.com>
2222 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2223 * genrecog.c (maybe_both_true_mode): New.
2224 (maybe_both_true_2): Use it.
2225 (write_switch): Don't put Pmode in a switch.
2226 * rtl.c (mode arrays): Don't explicitly size them.
2228 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2230 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2231 handling; move unconditional splitting before mode switching.
2233 * i386.md (type): Add fistp type.
2234 (i387, length_attr, scheduling definitions): Handle this type.
2235 (fix_trunc?f?i2): Revamp to use mode switching.
2236 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2237 * i386.h (fp_cw_mode): New enum
2238 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2239 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2241 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2243 * Makefile.in (integrate.o): Add debug.h.
2244 * integrate.c (debug.h): Add.
2245 (output_inline_function): Save, reset, and restore debug_hooks.
2247 2001-07-15 Richard Henderson <rth@redhat.com>
2249 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2250 instead of COMPARE for the EQUIV expression.
2252 2001-07-15 Richard Henderson <rth@redhat.com>
2254 * flow.c (redirect_edge_and_branch_force): Initialize
2255 global_live_at_start and global_live_at_end.
2256 (allocate_bb_life_data): Export.
2257 * basic-block.h (allocate_bb_life_data): Declare.
2258 * toplev.c (rest_of_compilation): Call it.
2260 2001-07-15 Richard Henderson <rth@redhat.com>
2262 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2263 (alpha_tablejump_best_label): New.
2264 * config/alpha/alpha-protos.h: Declare them.
2265 * config/alpha/alpha.md: Use braced strings for code blocks.
2266 (tablejump_osf): Break out add with r29.
2267 (tablejump_osf_internal): Remove.
2268 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2269 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2271 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2273 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2276 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2278 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2279 (ix86_fp_jump_nontrivial_p): New.
2280 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2281 use ix86_fp_jump_nontrivial_p.
2282 * i386.c (ix86_fp_jump_nontrivial_p): New.
2283 (ix86_split_fp_branch): Accept code instead of rtx.
2284 (ix86_expand_compare): Expand comparison early in case
2285 doing so is resonably cheap.
2287 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2289 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2291 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2292 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2294 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2296 * dbxout.c (dbxout_source_line): Make static, update prototype.
2297 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2298 (dbxout_init, dbxout_finish, dbxout_source_line,
2299 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2300 * dbxout.h (dbxout_source_line): Delete.
2301 * debug.c (debug_nothing_file, debug_nothing_file_int,
2302 debug_nothing_file_charstar_rtx): New.
2303 (do_nothing_debug_hooks): Update.
2304 (debug_nothing_void, debug_nothing_charstar_rtx,
2305 dwarf2out_end_epilogue): New.
2306 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2307 * debug.h (struct rtx_def): Declare.
2308 (gcc_debug_hooks): New hooks source_line, end_epilogue
2310 (debug_nothing_void, debug_nothing_charstar_rtx,
2311 dwarf2out_end_epilogue): New.
2312 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2313 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2314 (dwarf2_debug_hooks): Update.
2315 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2316 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2317 * dwarf2out.h (dwarf2out_source_line): Remove.
2318 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2319 Make static, update prototype.
2320 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2321 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2322 (dwarf_debug_hooks): Update.
2323 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2324 dwarfout_end_function): Remove.
2325 * final.c (profile_function): Use debug hooks for ending functions
2327 (output_source_line, final_end_function): Update prototype,
2329 (final_start_function, final_scan_insn): Update.
2330 * output.h (sdb_begin_function_line): Remove.
2331 (final_end_function): Update prototype.
2332 * sdbout.c (sdb_begin_function_line): Make static.
2333 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2334 (sdbout_source_line): New.
2335 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2337 (sdb_debug_hooks): Update.
2338 (sdbout_init, sdbout_source_line,
2339 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2340 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2341 * toplev.c (compile_file, rest_of_compilation): Update.
2342 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2343 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2344 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2345 Update for prototype changes.
2346 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2347 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2349 2001-07-15 Richard Henderson <rth@redhat.com>
2351 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2352 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2353 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2354 * config/alpha/alpha.c: Likewise.
2355 * config/alpha/alpha.md: Likewise.
2356 * config/alpha/alpha32.h: Likewise.
2357 * config/alpha/vms.h: Likewise.
2360 2001-07-14 Richard Henderson <rth@redhat.com>
2362 * config/alpha/alpha.md: Use define_constants for unspec values.
2363 Substitute throughout.
2365 2001-07-14 Tim Josling <tej@melbpc.org.au>
2367 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2369 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2371 * pa.md: Remove unused constraints from define_split's.
2373 2001-04-14 Richard Henderson <rth@redhat.com>
2375 * ifcvt.c (find_cond_trap): Test for exit block.
2377 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2379 Re-install recently reverted patch.
2380 * emit-rtl.c (try_split): Update mark_jump_label call.
2381 * flow.c (find_sub_basic_blocks): Likewise.
2382 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2384 (mark_all_labels): Kill second parameter.
2385 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2386 (rebuild_jump_labels, jump_optimize_minimal): Update call
2388 (jump_optimize_1): Kill crossjumping code.
2389 (mark_jump_label): Kill cross_jump parameter.
2390 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2391 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2392 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2394 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2396 (dump_file_info): Likewise.
2397 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2398 reorganize passes to do reg-stack first, bb-reorder second.
2399 * invoke.texi (-d letters doc): Remove the jump2 pass.
2401 2001-07-14 Richard Henderson <rth@redhat.com>
2403 * ifcvt.c (find_cond_trap): New.
2404 (find_if_header): Call it.
2405 (merge_if_block): Relax existing jump sanity check.
2406 * jump.c (jump_optimize_1): Remove conditional trap handling.
2408 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2410 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2412 (insn_refs_are_delayed): Correct comment.
2413 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2414 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2415 instead of r31. Make associated insn !TARGET_64BIT, and
2416 provide an additional 64-bit insn that clobbers r2.
2418 (udivsi3): Likewise.
2420 (umodsi3): Likewise.
2422 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2424 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2426 * flow.c (redirect_edge_and_branch_force, split_edge,
2427 try_crossjump_to_edge): Use set_block_for_new_insns.
2428 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2430 2001-07-13 H.J. Lu (hjl@gnu.org)
2432 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2435 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2437 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2439 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2441 * c-common.c (decl_attributes): Take a pointer to the node to
2442 which attributes are to be attached, and a flags argument.
2443 * c-common.h (enum attribute_flags): New.
2444 (decl_attributes): Update prototype.
2445 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2446 finish_enum, start_function): Update calls to decl_attributes.
2447 * c-parse.in (component_declarator, component_notype_declarator,
2448 label): Update calls to decl_attributes.
2450 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2452 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2453 * config/avr/avr.c (legitimate_address_p): Return value changed
2454 from letter to register classes. For better debugging.
2456 2001-07-13 Kazu Hirata <kazu@hxi.com>
2458 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2460 2001-07-13 H.J. Lu (hjl@gnu.org)
2462 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2464 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2466 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2467 correctly for shared configurations.
2468 * config/t-libgcc-pic: New.
2469 * config/{i386,m68k,sparc}/t-openbsd: New.
2470 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2471 Support -shared. Support debugging libraries with -g.
2472 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2473 frame information does not emit pointer diffs.
2474 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2477 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2479 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2481 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2483 * combine.c (try_combine): Ensure const_int pow2 is positive.
2485 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2487 * config.gcc: Add configuration for s/390.
2488 * config/s390/s390.c: New. Subroutines for code generation.
2489 * config/s390/s390.h: New. Definitions for s/390.
2490 * config/s390/s390-protos.h: New. Prototypes.
2491 * config/s390/linux.h: New. Definitions for linux for s/390.
2492 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2493 * config/s390/t-linux: New. Makefile fragment.
2494 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2495 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2497 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2499 * emit-rtl.c (try_split): Update mark_jump_label call.
2500 * flow.c (find_sub_basic_blocks): Likewise.
2501 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2503 (mark_all_labels): Kill second parameter.
2504 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2505 (rebuild_jump_labels, jump_optimize_minimal): Update call
2507 (jump_optimize_1): Kill crossjumping code.
2508 (mark_jump_label): Kill cross_jump parameter.
2509 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2510 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2511 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2513 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2515 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2516 reorganize passes to do reg-stack first, bb-reorder second.
2517 * invoke.texi (-d letters doc): Remove the jump2 pass.
2519 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2521 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2523 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2525 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2527 (verify_flow_info): Make diagnostics prettier.
2529 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2531 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2533 * flow.c (outgoing_edges_match): Return early if condition reversal
2536 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2538 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2539 (mips_move_2words): When splitting a move into two instructions,
2540 prefix the second address operand with '%D'.
2542 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2544 * Makefile.in (final.o): Depend on debug.h.
2545 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2546 (dbx_debug_hooks): Add new hooks.
2547 (xcoff_debug_hooks): New.
2548 * debug.c (debug_nothing_file_int_int): New.
2549 (do_nothing_debug_hooks): Update.
2550 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2551 (debug_nothing_file_int_int): New.
2552 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2553 static, update prototype.
2554 (dwarf2_debug_hooks): Update.
2555 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2556 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2557 static, update prototype.
2558 (dwarf_debug_hooks): Update.
2559 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2560 * final.c: Include debug.h.
2561 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2562 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2563 static, update prototype.
2564 (sdb_debug_hooks): Update.
2565 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2566 * toplev.c: Distinguish between xcoff and dbx.
2568 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2569 Call all debug hooks, not just dwarf ones.
2571 2001-07-11 Timothy Wall <twall@redhat.com>
2573 * config.gcc: Add configuration for AIX5/IA64.
2574 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2575 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2576 support prefix/suffix code.
2577 * config/ia64/t-aix: New. Makefile fragment.
2578 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2580 2001-07-11 Kazu Hirata <kazu@hxi.com>
2582 * recog.c (validate_change): Fix a comment typo.
2584 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2586 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2587 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2589 * dbxout.c (dbx_debug_hooks): Add new hooks.
2590 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2592 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2594 * dbxout.h (dbxout_start_new_source_file,
2595 dbxout_resume_previous_source_file): Delete.
2596 * debug.c (do_nothing_debug_hooks): Add new hooks.
2597 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2598 (debug_nothing_int_charstar, debug_nothing_int): New.
2599 * debug.h (gcc_debug_hooks): New hooks define, undef,
2600 start_source_file and end_source_file.
2601 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2602 (debug_nothing_int_charstar, debug_nothing_int): New.
2603 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2604 the conditionally compiled section.
2605 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2606 dwarf2out_define, dwarf2out_undef): Make static.
2607 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2608 dwarf2out_define, dwarf2out_undef): Remove.
2609 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2610 (dwarfout_start_source_file, dwarfout_end_source_file,
2611 dwarfout_define, dwarfout_undef): Make static.
2612 (dwarfout_start_source_file_check,
2613 dwarfout_end_source_file_check): New.
2614 (dwarfout_define, dwarfout_finish): Update.
2615 * dwarfout.h (dwarfout_start_new_source_file,
2616 dwarfout_resume_previous_source_file, dwarfout_define,
2617 dwarfout_undef): Remove.
2618 * sdbout.c (sdb_debug_hooks): Add new hooks.
2619 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2621 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2622 make static, take an arg.
2623 * sdbout.h (sdbout_start_new_source_file,
2624 sdbout_resume_previous_source_file): Delete.
2625 * toplev.c (debug_start_source_file, debug_end_source_file,
2626 debug_define, debug_undef): Delete.
2627 * toplev.h (debug_start_source_file, debug_end_source_file,
2628 debug_define, debug_undef): Delete.
2630 * java/jcf-parse.c: Include debug.h.
2631 (parse_class_file): Update to use debug hooks directly.
2632 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2634 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2636 * alias.c (set_mem_alias_set): New function.
2637 * rtl.h (set_mem_alias_set): Declare it.
2638 * builtins.c (expand_builtin_return_addr): Call it instead of
2639 using MEM_ALIAS_SET accessor.
2640 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2641 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2642 (expand_builtin_va_copy):Likewise.
2643 * caller-save.c (setup_save_areas): Likewise.
2644 * calls.c (compute_argument_addresses): Likewise.
2645 * explow.c (set_mem_attributes): Likewise.
2646 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2647 (expand_assignment, store_constructor_field, store_field): Likewise.
2648 (expand_expr_unaligned): Likewise.
2649 * function.c (assign_stack_temp_for_type): Likewise.
2650 (put_reg_into_stack, gen_mem_addressof): Likewise.
2651 * ifcvt.c (noce_try_cmove_arith): Likewise.
2652 * reload1.c (reload, alter_reg): Likewise.
2653 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2654 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2655 (alpha_expand_unaligned_store): Likewise
2656 (alpha_expand_unaligned_load_words): Likewise.
2657 (alpha_expand_unaligned_store_words): Likewise.
2658 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2659 (alpha_expand_epilogue): Likewise.
2660 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2661 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2662 * config/i386/i386.c (legitimize_pic_address): Likewise.
2663 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2664 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2665 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2666 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2667 * config/mips/mips.c (mips_va_arg): Likewise.
2668 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2669 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2670 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2671 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2672 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2673 (rs6000_emit_epilogue): Likewise.
2674 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2675 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2676 * config/v850/v850.c (v850_va_arg): Likewise.
2678 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2680 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2681 when fallthru edge is present.
2682 (mege_blocks): Handle case where creation of jump insn
2685 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2686 CLEANUP_POST_REGSTACK): New constants.
2687 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2688 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2689 * output.h (cleanup_cfg): Update prototype.
2690 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2691 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2692 cleanup_cfg call; kill missleading comment.
2693 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2694 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2695 parameter; control optimizations performed using it.
2696 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2697 try_crossjump_bb): New functions.
2699 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2701 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2703 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2704 pa_output_function_prologue.
2705 * pa-protos.h (pa_output_function_prologue): New prototype.
2707 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2709 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2710 and low to get correct sign extension in low+high test.
2712 2001-07-11 Janis Johnson <janis@us.ibm.com>
2714 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2715 for large hit count.
2717 * profile.c (branch_prob): Fix .bbg info for computed gotos
2720 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2722 * stmt.c (parse_output_constraint): New function, split out
2724 (expand_asm_operands): ... here. Use parse_output_constraint.
2725 * tree.h (parse_output_constraint): Declare it.
2727 2001-07-11 Richard Henderson <rth@redhat.com>
2729 * bitmap.c: Comment some functions; fiddle whitespace.
2730 (bitmap_free): Don't export.
2731 (bitmap_element_allocate): Use memset.
2732 * bitmap.h (bitmap_free): Don't declare.
2734 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2736 * gcse.c, lcm.c, sched-deps.c:
2737 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2739 * flow.c (flow_loops_find): Free dom if we found no loops, since
2740 we aren't going to save it.
2742 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2745 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2747 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2749 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2752 #ifndef DWARF2_DEBUGGING_INFO.
2754 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2756 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2758 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2760 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2761 reverse a branch if a NE comparison is implemented with GTU.
2763 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2764 H.J. Lu <hjl@gnu.org>
2766 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2768 (call_internal2): Likewise.
2769 (call_value_internal1): Likewise.
2770 (call_value_internal2): Likewise.
2771 (call_value_multiple_internal1): Likewise.
2772 (call_value_multiple_internal2): Likewise.
2774 2001-07-10 Kazu Hirata <kazu@hxi.com>
2776 * calls.c (emit_library_call_value_1): Fix a comment typo.
2777 * dwarf2out.c (mem_loc_descriptor): Likewise.
2778 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2780 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2782 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2784 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2786 * recog.c (offsettable_address_p): Handle LO_SUM case.
2787 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2788 instead of plus_constant.
2790 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2792 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2793 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2795 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2797 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2798 adjust_address_nv instead of plus_constant.
2800 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2802 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2803 dwarf2out.o): Depend on debug.h, wrap long lines.
2804 * dbxout.c: Include debug.h.
2805 (dbx_debug_hooks): New.
2806 (dbxout_init): Make static, take just 2 args.
2807 (dbxout_finish): Make static.
2808 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2809 * debug.c: New file.
2810 * debug.h: New file.
2811 * dwarf2out.c: Include debug.h.
2812 (dwarf2_debug_hooks): New.
2813 (dwarf2out_init): Make static.
2814 (dwarf2out_finish): Make static, take 2 args.
2815 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2816 * dwarfout.c: Include debug.h.
2817 (dwarf_debug_hooks): New.
2818 (dwarfout_init): Make static.
2819 (dwarfout_finish): Make static, take 2 args.
2820 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2821 * sdbout.c: Include debug.h.
2822 (sdb_debug_hooks): New.
2823 (sdbout_init): Make static, take 2 args.
2824 * sdbout.h (sdbout_init): Delete.
2825 * toplev.c: Include debug.h.
2827 (compile_file): Set deubg_hooks based on command line options.
2828 Use the hooks unconditionally rather than conditional compilation.
2830 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2832 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2833 first_insn_after_basic_block_note instead.
2835 * df.c (df_bb_refs_unlink): #if 0 out for now.
2837 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2839 * ssa.h: Add prototype for ssa_const_prop
2840 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2841 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2842 (ssa_fast_dce): Remove unused variable
2844 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2846 * diagnostic.c (finish_diagnostic): Rename to
2847 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2850 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2852 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2855 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2856 (dump_file): Only pad the demangled name with spaces if the
2857 mangled name was padded with spaces.
2859 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2861 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2864 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2866 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2867 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2870 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2871 whether can put offset inside LO_SUM to check mode alignment, not size.
2873 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2875 * doc/tm.texi (Misc): Fix thinko.
2877 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2879 * regmove.c (replace_in_call_usage): Fix warnings.
2880 * sched-deps.c (add_dependence): Fix warnings.
2881 * simplify-rtx.c (simplify_subreg): Likewise.
2882 Return NULL_RTX instead of NULL.
2884 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2885 (subst_asm_stack_regs): Likewise.
2887 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2890 * dwarf2out.c (output_call_frame_info): Declare i as int.
2891 (build_abbrev_table): Declare n_alloc as int.
2892 (dwarf2out_finish): Initialize die.
2893 * except.c: Declare sjlj_funcdef_number as unsigned.
2894 (connect_post_landing_pads): Declare j as unsigned.
2895 (convert_to_eh_region_ranges): Initialize call_site.
2896 (output_function_exception_table): Initialize tt_format_size.
2897 * expr.c (move_by_pieces_1): Initialize to1.
2898 (store_constructor): Initialize minelt and maxelt.
2899 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2900 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2902 * c-decl.c (combine_parm_decls): Unused, remove.
2903 * c-tree.h: Remove prototype for combine_parm_decls.
2905 * reload.c (push_reload): Fix warning.
2906 (regno_clobbered_p): Likewise.
2907 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2908 (reload_combine): Likewise.
2910 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2911 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2913 * bitmap.c (bitmap_operation): Change user.
2914 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2916 2001-07-10 Eric Christopher <echristo@redhat.com>
2918 * config/mips/mips.c (override_options): Fix typo.
2920 2001-07-09 Stan Shebs <shebs@apple.com>
2922 * target.h (struct gcc_target): New fields init_builtins and
2924 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2925 (TARGET_EXPAND_BUILTIN): New macro.
2926 (TARGET_INITIALIZER): Add them.
2927 * builtins.c: Include target.h.
2928 (expand_builtin): Use targetm.expand_builtin.
2929 (default_init_builtins): New function.
2930 (default_expand_builtin): New function.
2931 * expr.h (default_init_builtins): Declare.
2932 (default_expand_builtin): Declare.
2933 * c-common.c (c_common_nodes_and_builtins): Use
2934 targetm.init_builtins.
2935 * defaults.h (MD_INIT_BUILTINS): Remove.
2936 * Makefile.in (builtins.o): Depend on target.h.
2938 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2939 (TARGET_EXPAND_BUILTIN): Define.
2940 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2941 (MD_EXPAND_BUILTIN): Remove.
2943 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2944 (TARGET_EXPAND_BUILTIN): Define.
2945 (c4x_init_builtins): Make endlink arg a local.
2946 (c4x_print_operand): Fix typos in adjust_address usages.
2947 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2948 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2949 (MD_EXPAND_BUILTIN): Remove.
2951 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2952 (TARGET_EXPAND_BUILTIN): Define.
2953 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2954 (ix86_init_builtins): Call new function only if TARGET_MMX.
2955 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2956 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2957 (MD_EXPAND_BUILTIN): Remove.
2959 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2960 (TARGET_EXPAND_BUILTIN): Define.
2961 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2962 (MD_EXPAND_BUILTIN): Remove.
2964 * doc/tm.texi: Document these changes.
2966 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2968 * basic-block.h (tree_node): Forward declare if needed.
2969 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2970 (BLOCK_HEAD_TREE): Define.
2971 (BLOCK_END_TREE): Define.
2972 (struct loops): Rename field 'tree' to 'tree_root'.
2973 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2975 (flow_loops_tree_build): Rename reference to field 'tree' to
2977 (flow_loops_level_compute): Ditto.
2978 * predict.c (estimate_bb_frequencies): Ditto.
2979 * tree.h (struct tree_common): Add field 'aux'.
2981 2001-07-09 Stan Shebs <shebs@apple.com>
2983 * config/darwin.c (darwin_encode_section_info): Don't mark any
2984 DECL_EXTERNAL node as defined.
2986 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2988 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2989 pa_free_machine_status, hppa_init_pic_save): Delete.
2990 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2991 (hppa_profile_hook): Use hppa_pic_save_rtx.
2992 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2993 hppa_init_pic_save): Delete.
2994 (hppa_pic_save_rtx): Declare.
2995 * pa.md (call, call_value, sibcall, sibcall_value,
2996 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2998 2001-07-09 Kazu Hirata <kazu@hxi.com>
3000 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
3001 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
3003 2001-07-09 Andreas Jaeger <aj@suse.de>
3005 * output.h: Add declaration of final_forward_branch_p.
3007 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
3009 * varray.c: Include errors.h for internal_error and trim_filename
3012 * Makefile.in (varray.o): Add errors.h.
3014 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
3016 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
3017 * optabs.c (have_add2_insn): Check whether the add insn chosen
3018 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
3019 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3021 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3023 * Makefile.in (OBJS): Add ssa-ccp.o
3024 (ssa-ccp.o): Add dependencies.
3025 * toplev.c (DFI_ssa_ccp): New dump file enum.
3026 (dump_file): Add entry for dumping after SSA CCP.
3027 (flag_ssa_ccp): New flag variable.
3028 (f_options): Add -fssa-ccp.
3029 (rest_of_compilation): Run SSA CCP if requested.
3030 * timevar.def (TV_SSA_CCP): New timevar.
3031 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3032 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3033 Fix minor typo in SSA DCE documentation.
3034 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3035 Add documentation for new dump option. Renumber dump files
3038 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3040 * emit-rtl.c (gen_highpart_mode): New.
3041 * rtl.h (gen_highpart_mode): Declare.
3042 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3043 operand can be VOIDmode constant.
3045 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3047 * flow.c (redirect_edge_and_branch_force): New.
3048 (can_fallthru): Ensure that basic blocks are succeeding.
3049 (try_optimize_cfg): Do not delete basic block if it is the last one.
3051 * flow.c (try_redirect_by_replacing_jump): Do not remove
3052 jumps with side effects, unlink chain on fallthru edge;
3053 set block for new jump instruction; avoid basic block to
3054 over by line number note.
3056 * flow.c (try_simplify_condjump): Verify that the condjump
3057 is not always falling trought.
3060 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3062 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3063 (try_redirect_by_replacing_jump): Update properly the count
3064 and frequency information.
3066 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3068 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3069 address that is a LO_SUM specially.
3070 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3072 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3074 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3075 (operand_subword): Use them.
3076 (change_address_1): Renamed from change_address; new arg VALIDATE.
3077 * expr.h: Reflect above changes; change_address now macro.
3078 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3080 * cselib.c (add_mem_for_addr): Likewise.
3081 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3082 * regmove.c (try_apply_stack_adjustment): Likewise.
3083 * reload.c (push_reload, make_memloc): Likewise.
3084 * reload1.c (eliminate_regs): Likewise.
3085 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3086 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3088 * combine.c (make_extraction, simplify_shift_const): Likewise.
3089 (gen_lowpart_for_combine): Likewise.
3090 * cse.c (gen_lowpart_if_possible): Likewise.
3091 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3092 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3093 * optabs.c (gen_move_insn): Likewise.
3094 * reload1.c (alter_reg): Likewise.
3095 * simplify-rtx.c (simplify_subreg): Likewise.
3096 * stmt.c (expand_anon_union_decl): Likewise.
3097 * recog.c (validate_replace_rtx_1): Likewise.
3099 * Makefile.in (recog.o): Add $(EXPR_H).
3100 * explow.c (stabilize): Call replace_equiv_address.
3101 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3102 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3104 2001-07-03 Andrew Haley <aph@redhat.com>
3106 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3107 the mode of the memory location.
3109 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3111 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3113 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3115 * final.c (output_addr_const): Use target opening and
3116 closing parentheses.
3117 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3118 defaults, add to TARGET_ASM_OUT.
3119 * target.h (struct gcc_target): Add open_paren and close_paren.
3120 * doc/md.texi: Update.
3121 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3122 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3123 TARGET_ASM_CLOSE_PAREN.
3124 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3126 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3128 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3129 * config/a29k/a29k.h: Similarly.
3130 * config/alpha/alpha.h: Similarly.
3131 * config/arc/arc.h: Similarly.
3132 * config/arm/aof.h: Similarly.
3133 * config/arm/aout.h: Similarly.
3134 * config/avr/avr.h: Similarly.
3135 * config/c4x/c4x.h: Similarly.
3136 * config/clipper/clipper.h: Similarly.
3137 * config/convex/convex.h: Similarly.
3138 * config/d30v/d30v.h: Similarly.
3139 * config/dsp16xx/dsp16xx.h: Similarly.
3140 * config/elxsi/elxsi.h: Similarly.
3141 * config/fr30/fr30.h: Similarly.
3142 * config/h8300/h8300.h: Similarly.
3143 * config/i370/i370.h: Similarly.
3144 * config/i386/i386.h: Similarly.
3145 * config/i860/i860.h: Similarly.
3146 * config/i960/i960.h: Similarly.
3147 * config/ia64/ia64.h: Similarly.
3148 * config/m32r/m32r.h: Similarly.
3149 * config/m68hc11/m68hc11.h: Similarly.
3150 * config/m68k/m68k.h: Similarly.
3151 * config/m88k/m88k.h: Similarly.
3152 * config/mcore/mcore.h: Similarly.
3153 * config/mips/mips.h: Similarly.
3154 * config/mn10200/mn10200.h: Similarly.
3155 * config/mn10300/mn10300.h: Similarly.
3156 * config/ns32k/ns32k.h: Similarly.
3157 * config/pa/pa.h: Similarly.
3158 * config/pdp11/pdp11.h: Similarly.
3159 * config/pj/pj.h: Similarly.
3160 * config/romp/romp.h: Similarly.
3161 * config/rs6000/rs6000.h: Similarly.
3162 * config/sh/sh.h: Similarly.
3163 * config/sparc/sparc.h: Similarly.
3164 * config/v850/v850.h: Similarly.
3165 * config/vax/vax.h: Similarly.
3166 * config/we32k/we32k.h: Similarly.
3168 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3170 * doc/c-tree.texi: Document representation of attributes.
3172 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3174 * doc/tm.texi: Update some places for the rename of target to
3177 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3179 * target.h (struct gcc_target): Add insert_attributes.
3180 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3181 (TARGET_INITIALIZER): Update.
3182 * tree.c, tree.h (default_insert_attributes): New function.
3183 Update comments on other default functions to refer to targetm,
3185 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3186 TARGET_INSERT_ATTRIBUTES.
3187 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3188 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3189 Don't use PRAGMA_INSERT_ATTRIBUTES.
3190 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3191 * c-decl.c (start_decl, start_function): Don't call
3192 SET_DEFAULT_DECL_ATTRIBUTES.
3193 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3194 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3196 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3197 (c4x_check_attribute): Avoid modifying attribute list itself.
3198 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3200 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3201 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3203 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3204 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3206 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3207 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3209 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3210 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3211 Adjust parameters. Make static.
3213 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3215 * c-common.c (decl_attributes): Only take a single attributes
3217 * c-common.h (decl_attributes): Update prototype.
3218 * c-decl.c (start_decl, start_function): Only take a single
3219 attributes parameter. Update calls to decl_attributes.
3220 (finish_struct, finish_enum): Update calls to decl_attributes.
3221 (push_parm_decl): Expect unified list of attributes. Update call
3223 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3224 notype_nested_function, component_declarator,
3225 component_notype_declarator, label): Update calls to
3227 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3228 lists that are passed to push_parm_decl.
3229 * c-tree.h (start_function, start_decl): Update prototypes.
3230 * config/sh/sh-protos.h, config/sh/sh.c
3231 (sh_pragma_insert_attributes): Only take a single attributes
3233 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3234 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3235 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3236 build_module_descriptor, generate_static_references,
3237 generate_strings, build_selector_translation_table,
3238 generate_descriptor_table, generate_protocols,
3239 generate_ivars_list, generate_dispatch_table,
3240 generate_protocol_list, generate_category,
3241 generate_shared_structures, really_start_method, add_objc_decls,
3242 generate_classref_translation_entry): Update calls to start_decl
3244 (build_tmp_function_decl, start_method_def): Unify attribute lists
3245 that are passed to push_parm_decl.
3247 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3249 * final.c (no_asm_to_stream): New.
3250 (final_scan_insn): Use target structures for prologue ends
3251 and epilogue starts.
3252 * output.h (no_asm_to_stream): New.
3253 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3254 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3255 (TARGET_ASM_OUT): Update.
3256 * target.h (struct gcc_target): New members function_end_prologue
3257 and function_begin_epilogue.
3258 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3259 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3260 * config/alpha/alpha.c (output_end_prologue): Rename to
3261 alpha_output_function_end_prologue. Use in target struct
3263 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3264 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3265 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3266 ia64_output_function_end_prologue. Use in target struct
3268 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3269 mistyped prototypes.
3270 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3271 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3273 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3274 an use in target struct, make static.
3275 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3278 2001-07-08 Richard Henderson <rth@redhat.com>
3280 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3282 2001-07-08 Richard Henderson <rth@redhat.com>
3284 * config/i386/i386.md: Remove constraints strings from define_split
3285 and define_peephole2 patterns.
3286 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3287 (eh_return): Use them.
3289 2001-07-08 Richard Henderson <rth@redhat.com>
3291 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3292 Document MD_FALLBACK_FRAME_STATE_FOR.
3294 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3296 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3297 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3299 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3301 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3303 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3304 of the label inside NAME as opposed to just the end of NAME.
3306 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3308 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3309 * config/alpha/alpha.c (alpha_init_machine_status,
3310 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3311 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3312 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3313 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3315 2001-07-06 Stan Shebs <shebs@apple.com>
3317 * target.h (targetm): Rename global from "target", so as not to
3318 conflict with local variables.
3320 * c-typeck.c: Ditto.
3324 * cp/decl2.c: Ditto.
3325 * cp/typeck.c: Ditto.
3326 * 1750a/1750a.c: Ditto.
3327 * a29k/a29k.c: Ditto.
3331 * clipper/clipper.c: Ditto.
3332 * convex/convex.c: Ditto.
3333 * d30v/d30v.c: Ditto.
3334 * dsp16xx/dsp16xx.c: Ditto.
3335 * elxsi/elxsi.c: Ditto.
3336 * fr30/fr30.c: Ditto.
3337 * h8300/h8300.c: Ditto.
3338 * i370/i370.c: Ditto.
3339 * i386/i386.c: Ditto.
3340 * i860/i860.c: Ditto.
3341 * i960/i960.c: Ditto.
3342 * ia64/ia64.c: Ditto.
3343 * m32r/m32r.c: Ditto.
3344 * m68hc11/m68hc11.c: Ditto.
3345 * m68k/m68k.c: Ditto.
3346 * m88k/m88k.c: Ditto.
3347 * mips/mips.c: Ditto.
3348 * ns32k/ns32k.c: Ditto.
3350 * pdp11/pdp11.c: Ditto.
3351 * romp/romp.c: Ditto.
3352 * rs6000/rs6000.c: Ditto.
3354 * sparc/sparc.c: Ditto.
3356 * we32k/we32k.c: Ditto.
3357 * doc/tm.texi: Update the manual to match.
3359 2001-07-06 Richard Henderson <rth@redhat.com>
3361 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3362 DWARF2_UNWIND_INFO not just whether it is defined.
3364 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3366 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3367 call to simplify_binary_operation returns a new pattern.
3369 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3371 * glimits.h (__SHRT_MAX__): New.
3372 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3373 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3375 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3377 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3380 2001-07-06 Richard Henderson <rth@redhat.com>
3382 * bitmap.c (bitmap_release_memory): Move adjacent to the
3383 allocation functions.
3384 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3385 the implementation. Binary search for the set bit.
3386 (bitmap_union_of_diff): Allocate the temporary on the stack
3387 instead of using xmalloc.
3389 2001-07-06 Richard Henderson <rth@redhat.com>
3391 * genrecog.c (validate_pattern): Warn for constraints in
3392 define_{expand,split,peephole2}. Remove strict_low_part
3393 before looking up match_dup.
3395 2001-07-06 DJ Delorie <dj@redhat.com>
3397 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3398 chapter about various build hints and history. Add section
3399 talking about the various types of native and cross builds.
3401 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3403 * Makefile.in (final.o): Depend on target.h.
3404 * final.c: Include target.h.
3405 (default_function_pro_epilogue): New.
3406 (final_start_function): Use target structure for function prologues.
3407 (final_end_function): Use target structure for function epilogues.
3408 * fold-const.c (real_hex_to_f): Constify s and p.
3409 * output.h (default_function_pro_epilogue): New.
3410 * real.h (real_hex_to_f): Update prototype.
3411 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3412 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3413 (TARGET_INITIALIZER): Update.
3414 * target.h (gcc_target): Add struct asm_out.
3415 * doc/tm.texi: Update.
3418 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3419 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3420 in cpu/cpu.c, or rename old functions consistently. Take
3421 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3422 redundant macros and prototypes. Make new functions static.
3424 * 1750a/1750a.c: Similarly.
3425 * 1750a/1750a.h: Similarly.
3426 * a29k/a29k-protos.h: Similarly.
3427 * a29k/a29k.c: Similarly.
3428 * a29k/a29k.h: Similarly.
3429 * arc/arc-protos.h: Similarly.
3430 * arc/arc.c: Similarly.
3431 * arc/arc.h: Similarly.
3432 * arm/arm-protos.h: Similarly.
3433 * arm/arm.c: Similarly.
3434 * arm/arm.h: Similarly.
3435 * avr/avr-protos.h: Similarly.
3436 * avr/avr.c: Similarly.
3437 * avr/avr.h: Similarly.
3438 * clipper/clipper-protos.h: Similarly.
3439 * clipper/clipper.c: Similarly.
3440 * clipper/clipper.h: Similarly.
3441 * convex/convex.c: Similarly.
3442 * convex/convex.h: Similarly.
3443 * d30v/d30v-protos.h: Similarly.
3444 * d30v/d30v.c: Similarly.
3445 * d30v/d30v.h: Similarly.
3446 * d30v/d30v.md: Similarly.
3447 * dsp16xx/dsp16xx-protos.h: Similarly.
3448 * dsp16xx/dsp16xx.c: Similarly.
3449 * dsp16xx/dsp16xx.h: Similarly.
3450 * elxsi/elxsi.c: Similarly.
3451 * elxsi/elxsi.h: Similarly.
3452 * fr30/fr30.c: Similarly.
3453 * fr30/fr30.md: Similarly.
3454 * h8300/h8300-protos.h: Similarly.
3455 * h8300/h8300.c: Similarly.
3456 * h8300/h8300.h: Similarly.
3457 * i370/i370-protos.h: Similarly.
3458 * i370/i370.c: Similarly.
3459 * i370/i370.h: Similarly.
3460 * i386/i386.c: Similarly.
3461 * i386/osf1elf.h: Similarly.
3462 * i386/osfrose.h: Similarly.
3463 * i860/i860-protos.h: Similarly.
3464 * i860/i860.c: Similarly.
3465 * i860/i860.h: Similarly.
3466 * i960/i960-protos.h: Similarly.
3467 * i960/i960.c: Similarly.
3468 * i960/i960.h: Similarly.
3469 * ia64/ia64-protos.h: Similarly.
3470 * ia64/ia64.c: Similarly.
3471 * ia64/ia64.h: Similarly.
3472 * m32r/m32r-protos.h: Similarly.
3473 * m32r/m32r.c: Similarly.
3474 * m32r/m32r.h: Similarly.
3475 * m68hc11/m68hc11-protos.h: Similarly.
3476 * m68hc11/m68hc11.c: Similarly.
3477 * m68hc11/m68hc11.h: Similarly.
3478 * m68k/crds.h: Similarly.
3479 * m68k/dpx2.h: Similarly.
3480 * m68k/m68k-protos.h: Similarly.
3481 * m68k/m68k.c: Similarly.
3482 * m68k/m68k.h: Similarly.
3483 * m68k/news.h: Similarly.
3484 * m88k/m88k-protos.h: Similarly.
3485 * m88k/m88k.c: Similarly.
3486 * m88k/m88k.h: Similarly.
3487 * mips/mips-protos.h: Similarly.
3488 * mips/mips.c: Similarly.
3489 * mips/mips.h: Similarly.
3490 * ns32k/merlin.h: Similarly.
3491 * ns32k/ns32k.c: Similarly.
3492 * ns32k/ns32k.h: Similarly.
3493 * ns32k/tek6000.h: Similarly.
3494 * pa/pa-protos.h: Similarly.
3495 * pa/pa.c: Similarly.
3496 * pa/pa.h: Similarly.
3497 * pdp11/2bsd.h: Similarly.
3498 * pdp11/pdp11-protos.h: Similarly.
3499 * pdp11/pdp11.c: Similarly.
3500 * pdp11/pdp11.h: Similarly.
3501 * romp/romp-protos.h: Similarly.
3502 * romp/romp.c: Similarly.
3503 * romp/romp.h: Similarly.
3504 * rs6000/rs6000-protos.h: Similarly.
3505 * rs6000/rs6000.c: Similarly.
3506 * rs6000/rs6000.h: Similarly.
3507 * rs6000/sysv4.h: Similarly.
3508 * sh/sh-protos.h: Similarly.
3509 * sh/sh.c: Similarly.
3510 * sh/sh.h: Similarly.
3511 * sparc/sparc-protos.h: Similarly.
3512 * sparc/sparc.c: Similarly.
3513 * sparc/sparc.h: Similarly.
3514 * vax/vax.c: Similarly.
3515 * vax/vax.h: Similarly.
3516 * vax/vms.h: Similarly.
3517 * we32k/we32k.c: Similarly.
3518 * we32k/we32k.h: Similarly.
3520 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3522 * basic-block.h (first_insn_after_basic_block_note): Declare.
3523 * flow.c (first_insn_after_basic_block_note): Define. Moved
3525 * ssa.c (first_insn_after_basic_block_note): Remove.
3526 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3528 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3529 nodes when we find a dead conditional branch. Insert BARRIERs
3530 after any blocks with no successors, but which do not have
3533 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3535 * varray.c (varray_check_failed): Use internal_error.
3537 2001-07-05 Andrew Haley <aph@redhat.com>
3539 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3540 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3541 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3543 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3545 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3546 reference if the target constant is also a SYMBOL_REF.
3548 2001-07-05 Eric Christopher <echristo@redhat.com>
3550 * config/mips/mips.h (MASK_MIPS3900): Remove.
3551 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3552 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3553 (TARGET_MIPS3900): Change to use mips_arch.
3554 (TARGET_MIPS4000): New.
3555 (TARGET_MIPS4100): New.
3556 (TARGET_MIPS4300): New.
3557 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3558 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3560 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3561 (ISA_HAS_BRANCHLIKELY): To here.
3562 (CC1_CPU_SPEC): New.
3563 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3564 (mips_arch_string): Declare.
3565 (mips_arch): Declare.
3566 (TARGET_OPTIONS): Add -march and -mtune.
3568 * config/mips/mips.c (mips_arch_string): New.
3570 (override_options): Handle -march for codegen and -mtune
3571 for scheduling. Use mips_arch. Move tx39 target default here.
3572 (mips_parse_cpu): Move error message to override_options.
3574 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3576 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3578 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3579 (MIPS Options): Ditto. Change mcpu entry to historical text.
3581 2001-07-05 H.J. Lu (hjl@gnu.org)
3583 * config/mips/mips.c (mips_parse_cpu): New function to parse
3586 2001-07-05 Jim Wilson <wilson@redhat.com>
3588 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3589 * config/ia64/t-ia64: Likewise.
3590 (LIB1ASMFUNCS): Update comment.
3592 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3594 * doc/install.texi (Install GCC: Binaries): Fix typo.
3596 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3598 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3599 reference using the stack pointer, adjust it since we push Y
3601 ("*ashrsi3"): Likewise.
3602 ("*lshrsi3"): Likewise.
3604 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3606 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3607 when -fomit-frame-pointer is used.
3609 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3611 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3612 (try_redirect_by_replacing_jump): Reverse updating properly the
3613 count and frequency information. Reverse removing cc0 setter.
3614 (forwarder_block_p): Reverse fixing for fallthru blocks.
3616 2001-07-05 DJ Delorie <dj@redhat.com>
3618 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3619 (translate_options): If the above is defined, use it to map
3620 given options to new options.
3621 * doc/tm.texi: Document it.
3623 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3624 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3626 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3627 cause programs using computed gotos to run more slowly.
3629 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3631 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3633 Consistently require binutils 2.11.2, not prereleases.
3634 (Specific, decstation-*): Canonicalize as mips-dec-*.
3635 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3637 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3638 (Specific, mips-*): Reword MIPS C compiler requirements.
3639 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3640 (Specific, sunv5): Removed, obsolete.
3642 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3644 * dwarf2out.c (output_loc_list): Use an all ones mask for
3645 .text asm output and don't rely on long long
3646 literals. Reformat some long lines.
3648 2001-07-05 Andreas Jaeger <aj@suse.de>
3650 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3653 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3655 * dwarf2out.c (dwarf2out_define): Update comment.
3656 (dwarf2out_undef): Ditto.
3657 (dwarf2out_start_source_file): Ditto.
3658 (dwarf2out_end_source_file): Ditto.
3659 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3660 since we never call the start/end debug hook for the primary file.
3662 2001-07-04 Kazu Hirata <kazu@hxi.com>
3664 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3667 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3669 * cppinit.c (remove_dup_dirs): Inform if a system include
3670 directory is being reordered.
3671 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3673 * doc/cpp.texi (Search Paths): Likewise.
3674 * doc/gcc.texi (Interoperation): Remove information about
3677 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3679 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3680 (VARRAY_TOP_CHAR_PTR): Likewise.
3682 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3684 * gcc.c (process_command): Don't assign elements of a const char*.
3686 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3688 * emit-rtl.c (change_address): Don't abort if invalid address while
3689 reload is in progress.
3691 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3693 * c-lex.c (cb_file_change): Pass line number to
3694 debug_start_source_file.
3695 (cb_undefine): Pass correct line number to debug_undef.
3697 * toplev.c (debug_start_source_file): Add line number to
3698 parameters. Pass it along to dwarf2out_start_source_file.
3699 (decode_g_option): Stop resetting debug level back to normal when
3700 we change debug formats, unless the current level is
3701 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3704 * toplev.h (debug_start_source_file): Add line number to
3707 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3710 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3712 Output debug_macinfo data for starting file if requested.
3713 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3715 (dwarf2out_define): Output debug_macinfo data for defining a macro
3717 (dwarf2out_undef): Output debug_macinfo data for undefining a
3719 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3720 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3721 (macinfo_section_label): New. DWARF2 macro info section label.
3722 (dwarf2out_init): If we want macro info, output the start label
3724 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3725 attribute to the compilation unit die pointing to the macro info.
3727 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3729 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3730 DWARF2_DEBUGGING_INFO.
3731 (add_loc_descr_to_loc_list): Ditto.
3732 (output_loc_list): Ditto.
3733 Also, fix thinko in curr not being initialized.
3734 (gen_internal_sym): Ditto.
3736 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3738 * emit-rtl.c (replace_equiv_address): New function.
3739 * expr.h (replace_equiv_address): New declaration.
3740 * explow.c (validize_mem): Call it instead of change_address and
3741 also call if -fforce-addr and address is constant.
3742 * expr.c: Replace more calls to change_address with adjust_address
3743 and/or replace_equiv_address or to validize_mem.
3744 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3745 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3746 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3747 * config/i370/i370.md, config/i860/i860.md: Likewise.
3748 * config/i960/i960.md, config/mips/mips.c: Likewise.
3749 * config/mips/mips.md, config/pa/pa.md: Likewise.
3750 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3751 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3753 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3757 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3760 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3762 * doc/include: New directory.
3763 * doc/fdl.texi: Move to doc/include/fdl.texi.
3764 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3765 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3766 * doc/gcc.texi: Use funding.texi and gpl.texi.
3767 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3768 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3769 Update dependencies and use -I $(docdir)/include.
3771 2001-07-04 Anthony Green <green@redhat.com>
3773 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3775 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3777 * doc/install.texi (sparc64-*-*): Remove garbage.
3779 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3781 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3782 Fix typo in last change to use adjust_address.
3784 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3786 * doc/install.texi (Specific): Update information for *-*-solaris*.
3788 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3790 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3792 2001-07-03 Stan Shebs <shebs@apple.com>
3794 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3795 case for flag_no_mach_text_sections.
3796 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3797 * config/darwin.c (flag_no_mach_text_sections): Remove.
3798 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3800 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3802 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3803 and avoid checking for constant as first operand.
3804 * recog.c (find_constant_term_loc): No longer static.
3805 (adj_offettable_operand): Delete.
3806 * rtl.h (adj_offsettable_operand): Delete declaration.
3807 (find_constant_term): Add declaration.
3808 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3810 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3811 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3812 * config/i386/i386.c, config/i386/i386.md: Likewise.
3813 * config/i860/i860.c, config/i960/i960.c: Likewise.
3814 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3815 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3816 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3817 * config/mips/mips.c, config/mips/mips.md: Likewise.
3818 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3819 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3820 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3821 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3822 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3823 * config/ns32k/ns32k.md: Likewise.
3825 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3827 * rtl.c (copy_rtx): Handle 'T' format letter.
3828 * gensupport.c (collect_insn_data): Likewise.
3829 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3831 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3833 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3834 -B option. Use 'dir' not 'foo' as example directory name.
3836 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3838 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3839 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3841 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3843 * doc/cppinternals.texi: Improve formatting and logical markup.
3845 2001-07-03 Andreas Jaeger <aj@suse.de>
3847 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3849 * genrecog.c (write_header): Include reload.h for prototypes in
3852 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3855 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3856 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3857 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3858 i386_pe_valid_type_attribute_p): Add.
3859 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3860 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3862 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3864 * explow.c (plus_constant_wide, case LO_SUM): New case.
3865 (plus_constant_for_output_wide): Delete.
3866 * rtl.h (plus_constant_for_output): Delete.
3867 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3868 instead of plus_constant_for_output.
3869 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3870 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3871 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3872 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3873 * config/sparc/sparc.md: Likewise.
3874 Convert some change_address calls to adjust_address.
3876 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3878 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3879 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3880 documentation of -std and -Wwrite-strings.
3882 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3884 * cse.c (canon_hash): Don't register registers in very small
3885 register classes, as extending their lifetime might cause
3888 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3890 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3892 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3893 (try_redirect_by_replacing_jump): Update properly the count
3894 and frequency information.
3896 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3898 * toplev.c (dump_file_index): Move SSA dumps just after first
3900 (dump_file): Corresponding changes.
3901 (rest_of_compilation): Move SSA path to just after the first
3903 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3904 * doc/invoke.texi: Update dump file #s as they were completely
3905 out of date with reality.
3907 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3909 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3911 * expr.c (emit_move_insn_1): Deal with non-default
3914 * expr.c (emit_single_push_insn): Fix warning.
3916 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3918 * expr.c (emit_move_insn_1): Avoid modifying
3919 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3921 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3923 * emit-rtl.c (adjust_address): New function.
3924 * expr.h (adjust_address): Add declaration.
3925 * builtins.c: Replace some calls to change_address with calls to it
3927 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3928 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3929 * config/arm/arm.c, config/convex/convex.c: Likewise.
3930 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3931 * config/i386/i386.c, config/i386/i386.md: Likewise.
3932 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3933 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3934 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3935 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3936 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3938 2001-07-02 Jim Wilson <wilson@redhat.com>
3940 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3942 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3944 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3945 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3947 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3949 * cppinit.c (lang_defaults): New table.
3950 (set_lang): Just read from lang_defaults into the live options
3953 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3955 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3956 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3957 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3959 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3961 * doc/install.texi: Various spelling and markup fixes.
3962 (Installing GCC): Component specific installation instructions are
3965 Warn about removing old install dir in the presence of shared libs.
3966 (Configuration): Invoke with options target to match configure
3968 Consistently refer to gas, gld pathnames.
3969 Invert --enable-multilib documentation.
3970 Remove references to old compiler versions.
3972 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3974 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3976 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3978 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3980 (Specific, mips*-sgi-irix5): Note IDO download.
3981 Reworded MIPS C hints.
3982 Use GNU as instead of GAS.
3984 Removed SGI Freeware reference, IRIX 6 only.
3985 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3986 Note N64 library requirement/workaround.
3988 Complete list of structure passing bug victims.
3990 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3992 * doc/install.texi: Remove CVS Id.
3994 2001-07-02 Andreas Jaeger <aj@suse.de>
3996 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3997 (find_inherently_necessary): Remove unused variable.
3999 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
4001 * c-common.h (TDI_inlined): New ast dump phase.
4002 (dump_flag_name): New function.
4003 * c-dump.c (dump_files): Add inlined phase.
4004 (dump_flag_name): Define.
4005 * doc/invoke.texi (-fdump-ast-inlined): Document.
4007 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4009 * stor-layout.c (layout_decl): Revert change to handling of alignment
4012 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4014 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
4017 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
4019 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4022 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4024 * tlink.c (recompile_files): Remove COMPILER_PATH and
4025 LIBRARY_PATH from the environment.
4027 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4029 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4030 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4032 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4034 * c-parse.in (OBJC_STRING): Kill.
4035 (objc_string): Decompose to [objc_string] '@' STRING.
4036 (reswords): Take the leading '@' off all the Objective C keywords.
4037 (objc_rid_sans_at): Kill.
4038 (init_reswords): Don't initialize it.
4039 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4040 (_yylex): Kill reconsider label. Look ahead one token after
4041 an '@'; if we get an identifier, check whether it's an
4042 Objective C @-keyword. If so, return the keyword. Otherwise,
4043 put back the token and return the '@' as a terminal.
4045 * cpplib.c (lex_macro_node): Remove unnecessary check for
4046 leading '@' on identifier. Clarify control flow and commentary.
4048 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4050 * cse.c (new_label_ref): Variable deleted.
4051 (insert): Remove set of new_label_ref.
4052 (check_for_label_ref): New function.
4053 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4055 See ChangeLog.5 for earlier changes.