1 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
6 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
8 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
10 * reload1.c (fixup_abnormal_edges): New static function.
13 * flow.c (need_fake_edge_p): New function.
14 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
15 avoid call insn to be very last insn in the insn stream.
17 * profile.c (branch_prob): Call flow_call_edges_add instead of
18 doing that by hand; cleanup cfg to re-merge basic blocks once
21 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
23 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
24 are also on line-map.h.
25 * cppfiles.c (stack_include_file): Update.
26 * cpphash.h (struct cpp_buffer): New member return_at_eof.
27 (_cpp_pop_buffer): New.
28 * cppinit.c (cpp_destroy, cpp_finish): Update.
29 (do_includes): Mark each buffer to return at EOF.
30 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
32 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
33 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
34 * cpplib.h (cpp_pop_buffer): Remove.
35 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
36 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
38 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
40 (do_preprocessing): Update.
41 * fix-header.c (read_scan_file): Update. No need to pop buffers.
42 * c-parse.in (_yylex): Similarly.
43 * scan-decls.c (scan_decls): Similarly.
44 * line-map.h: Update comments.
46 * objc/Make-lang.in (objc-act.o): Update dependencies.
48 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
50 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
51 and soft register for operand 0.
52 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
54 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
56 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
57 register for operand 0.
58 ("bitcmpqi_z_used"): Allow memory for operand 0.
59 (split "bitcmpqi"): New split to handle address reg as operand 1.
61 2001-08-04 Andreas Jaeger <aj@suse.de>
63 * gcse.c: Revert Daniel's last patch.
65 2001-08-03 Zack Weinberg <zackw@stanford.edu>
67 * sparc-protos.h: Add prototypes for fp_zero_operand and
69 * sh-protos.h: Add prototype for fpul_operand.
71 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
73 * doc/extend.texi (Other Builtins): Fix typo in last change.
75 2001-08-03 Richard Henderson <rth@redhat.com>
77 * target.h (gcc_target): Add asm_out.named_section,
78 section_type_flags, have_named_sections.
79 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
80 (TARGET_HAVE_NAMED_SECTIONS): New.
81 (TARGET_SECTION_TYPE_FLAGS): New.
83 * Makefile.in (toplev.o): Depend on TARGET_H.
84 (varasm.o, dbxout.o): Likewise.
85 * c-common.c (decl_attributes): Check targetm.have_named_sections
86 instead of ifdef ASM_OUTPUT_SECTION_NAME.
87 * dbxout.c (dbxout_function_decl): Likewise.
88 (dbxout_function_end): Likewise.
89 * toplev.c (compile_file): Likewise.
90 * varasm.c (exception_section): Likewise.
91 * cp/decl2.c (finish_objects): Likewise.
93 * defaults.h (EH_FRAME_SECTION): Remove.
94 (EH_FRAME_SECTION_ASM_OP): Remove.
95 (EH_FRAME_SECTION_NAME): New.
96 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
97 (UNIQUE_SECTION_P): Remove.
98 * dwarf2out.c (SECTION_FORMAT): Remove.
99 (ASM_OUTPUT_SECTION): Remove.
100 (output_call_frame_info): Use named_section_flags.
101 (output_comp_unit, dwarf2out_start_source_file): Likewise.
102 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
103 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
104 * varasm.c (in_eh_frame, eh_frame_section): Remove.
105 (named_section_flags): New.
106 (named_section): Use it and targetm.section_type_flags.
107 (resolve_unique_section): New.
108 (assemble_start_function): Use it.
109 (asm_emit_uninitialised, assemble_variable): Likewise.
110 (default_section_type_flags): New.
111 (default_no_named_section, default_elf_asm_named_section): New.
112 (default_coff_asm_named_section, default_pe_asm_named_section): New.
113 * output.h: Update varasm.c decls.
114 (SECTION_*): New flags.
116 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
117 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
119 * config/elfos.h (UNIQUE_SECTION_P): Remove.
120 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
121 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
122 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
123 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
124 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
125 * config/mips/elf.h, config/mips/elf64.h: Likewise.
126 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
127 * config/pa/pa64-hpux.h,
129 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
130 (TARGET_ASM_NAMED_SECTION): New.
131 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
132 * config/alpha/vms.h, config/arm/coff.h: Likewise.
133 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
134 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
135 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
136 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
137 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
138 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
139 * config/i386/sco5.h, config/i386/win32.h: Likewise.
140 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
141 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
142 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
143 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
144 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
145 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
146 * config/sparc/sysv4.h: Likewise.
148 * config/nextstep.h: Error until named sections implemented.
150 * config/a29k/a29k.c (a29k_asm_named_section): New.
151 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
152 (vms_section_type_flags, vms_asm_named_section): New.
153 * config/arm/arm.c (arm_elf_asm_named_section): New.
154 * config/avr/avr.c (asm_output_section_name): Remove.
155 * config/avr/avr-protos.h: Update.
156 * config/c4x/c4x.c (c4x_asm_named_section): New.
157 * config/h8300/h8300.c (h8300_asm_named_section): New.
158 * config/i386/i386.c (sco_asm_named_section): New.
159 * config/i386/winnt.c (SECTION_PE_SHARED): New.
160 (i386_pe_section_type_flags): New.
161 (i386_pe_asm_named_section): New.
162 * config/i386/i386-protos.h: Update.
163 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
164 * config/mcore/mcore.c (mcore_asm_named_section): New.
165 * config/mips/mips.c (iris6_asm_named_section): New.
166 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
167 instead of UNIQUE_SECTION_P.
168 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
169 (xcoff_asm_named_section): New.
170 * config/sh/sh.c (sh_asm_named_section): New.
171 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
173 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
174 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
175 (EH_FRAME_SECTION_NAME): New.
176 (EXCEPTION_SECTION): New.
177 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
178 (DEBUG_*_SECTION): Remove.
179 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
180 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
181 (EH_FRAME_SECTION_ASM_OP): Remove.
183 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
184 (ASM_OUTPUT_SECTION_NAME): Remove.
185 (TARGET_ASM_NAMED_SECTION): New.
186 (TARGET_HAVE_NAMED_SECTIONS): New.
187 (TARGET_SECTION_TYPE_FLAGS): New.
188 (EH_FRAME_SECTION_ASM_OP): Remove.
189 (EH_FRAME_SECTION_NAME): New.
191 2001-08-03 Zack Weinberg <zackw@stanford.edu>
193 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
194 for complex expressions when cfun == 0.
195 * doc/extend.texi: Document that __builtin_constant_p can be
196 used in data initializers as well as functions.
198 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
200 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
201 variable I locally, instead of expecting a declaration in the
204 2001-08-03 Richard Henderson <rth@redhat.com>
206 * except.c (collect_one_action_chain): Add an explicit cleanup
207 action if regions surrounding a catch were encoded entirely
208 within the call-site entry.
210 2001-08-03 Richard Henderson <rth@redhat.com>
212 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
213 don't take REGNO of a non-register.
215 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
217 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
218 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
219 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
220 (__gthread_mutex_init_function): New function for mutex initialization.
222 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
224 * Makefile.in: Revert screwed up commit.
226 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
228 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
229 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
230 merged by linker script to get a final _exit().
231 (__do_global_dtors): New for destructor handling in specific exit
233 (__do_global_ctors): New for constructors in specific install section.
234 (__map_data_section): Map data sections before running constructors.
235 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
236 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
237 (DTORS_SECTION_ASM_OP): Likewise.
238 (CTORS_SECTION_FUNCTION): Define to force a reference to
240 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
242 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
244 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
246 * Makefile.in: Add df.h to gcse.c dependencies.
248 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
250 * varasm.c (output_constant_def_contents): Use for the length of a
251 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
252 depending on which is larger.
254 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
256 * gcse.c: Include df.h for use as a dataflow analyzer.
258 Declaration of reg_set_info: gone.
259 New df_analyzer variable used by store motion.
260 (reg_set_info): Deleted.
261 (mark_mem_regs): New function, analyze regs used by a mem.
262 (store_ops_ok): Use dataflow analyzer results to determine if
263 necessary regs are changed in the block.
264 (find_moveable_store): Remove check for symbol ref, we can handle
265 much more complex expressions now.
266 (compute_store_table): Remove most of the code, it's unnecessary
267 now that the dataflow analyzer records the info for us.
268 (store_killed_after): Add parameter to say whether to do the
269 store_ops_okay test, used to speed up testing when we already know
270 the answer, and just want to know if the store itself was killed.
271 (build_store_vector): Largely rewritten to calculate the various
272 vectors properly, and somewhat optimized.
273 (store_motion): Init the df_analyzer, get REG_DEF chains.
274 Also handle trapping expressions (since mems almost always trap)
275 (simple_mem): Redefine what a simple mem is.
277 2001-08-03 DJ Delorie <dj@redhat.com>
279 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
280 set from a constant part of the condition.
282 2001-08-01 Andrew Cagney <ac131313@redhat.com>
284 * mkdeps.c (deps_add_default_target): Make local variable
285 ``start'' a const char pointer.
286 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
288 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
290 * doc/install.texi (Configuration): Fix markup.
291 (Specific, i?86-*-udk): Likewise.
292 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
294 Document --enable-threads and --enable-libgcj status.
295 (Specific, mips-sgi-irix*): Canonicalize triples.
296 (Specific, mips-sgi-irix5): Warn about problems with this config.
297 Mention required GNU as patch.
298 Native assembler problems are fixed.
299 (Specific, mips-sgi-irix6): Update O32 ABI support status.
300 Document --enable-threads and --enable-libgcj status.
302 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
304 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
307 2001-08-03 Richard Henderson <rth@redhat.com>
309 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
312 2001-08-03 Richard Henderson <rth@redhat.com>
314 * rtlanal.c (find_first_parameter_load): Stop if we
315 reach a CODE_LABEL at BOUNDARY.
317 2001-08-03 Richard Henderson <rth@redhat.com>
319 * config/alpha/alpha.md (force_movdi): New insn.
320 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
321 Tweek FRP marking of VMS prologue insns.
322 * config/alpha/vms.h (EPILOGUE_USES): New.
324 2001-08-02 Richard Henderson <rth@redhat.com>
326 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
328 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
330 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
331 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
332 config/convex/convex.h, config/d30v/d30v.c,
333 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
334 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
335 config/mips/mips.h, config/mn10200/mn10200.h,
336 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
337 config/v850/v850.h, config/vax/openbsd.h,
338 config/vax/openbsd1.h, config/vax/ultrix.h,
339 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
340 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
341 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
342 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
343 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
344 in comments and documentation.
346 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
350 * Makefile.in (line-map.o): New.
351 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
352 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
353 * cpperror.c (print_containing_files): Similarly.
354 (print_location): Update. Don't output a space before _Pragma.
355 * cppfiles.c (stack_include_file): Set to line 1 immediately.
356 (stack_include_filee, cpp_make_system_header): Update.
357 (_cpp_execute_include): Get logical line number right for calling
358 as-yet-unterminated #include.
359 * cpphash.h (struct cpp_reader): Add line_maps.
360 (_cpp_do_file_change): Update.
361 * cppinit.c (cpp_create_reader): Initialize line maps.
362 (cpp_destroy): Destroy line maps.
363 (cpp_start_read): Get logical line number right.
364 * cpplex.c (parse_string): Only warn once for multi-line strings.
365 Use boolean variable for null warning.
366 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
368 (do_include_common): End the directive early.
369 (do_line): Don't warn about out-of-range lines in preprocessed
370 source. Update. Remove unused variables.
371 (_cpp_do_file_change): Update for new line mapping.
372 (pragma_cb): New typedef.
373 (cpp_register_pragma): Stop looking ahead before calling the
375 (do_pragma_system_header): End directive early.
376 (cpp_get_line_maps): New.
377 (cpp_pop_buffer): Fudge logical line. Update.
378 * cpplib.h: Include line-map.h
379 (enum cpp_fc_reason): Remove.
380 (struct cpp_file_change): Update.
381 (cpp_get_line_maps): New.
382 * cppmain.c (struct_printer): New member map.
383 (cb_file_change): Update for new mappings.
384 * fix-header.c (cb_file_change): Similarly.
386 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
388 * Makefile.in (libgcc.mk): Define mkinstalldirs.
389 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
391 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
393 * config/vax/vax.c: include expr.h.
395 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
397 * Makefile.in ($(srcdir)/configure): Only rebuild in
399 ($(srcdir)/config.in): Only define in maintainer mode.
400 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
402 2001-08-02 David Edelsohn <edelsohn@gnu.org>
404 * doc/install.texi (Install GCC: Binaries): Update Bull info.
406 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
408 * gcc.c (set_collect_gcc_options): New function, split out from
410 Ignore elided switches.
411 (do_spec_1): Invoke before executing command.
414 * gcc.h (set_input): ... here.
415 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
418 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
421 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
423 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
425 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
427 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
428 for the unnamed instructions it expands to.
430 2001-08-02 Richard Henderson <rth@redhat.com>
432 * regclass.c (call_really_used_regs): Conditionally define.
433 (init_reg_sets_1): Don't use it if not defined.
434 (fix_register): Similarly, don't set it.
436 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
438 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
439 Correct comment that had been missed in the previous change.
441 2001-08-01 Stan Shebs <shebs@apple.com>
443 * config/darwin.c (machopic_stub_name): Try matching by name.
444 (update_stubs): New function.
445 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
448 2001-08-01 Richard Henderson <rth@redhat.com>
450 * except.c (output_function_exception_table): Use assemble_align.
451 * varasm.c (assemble_eh_label): Remove.
452 (assemble_eh_align, assemble_eh_integer): Remove.
454 2001-08-01 Robert Lipe <robertl@caldera.com>
456 * dwarfout.c: Remove reference to README.DWARF.
458 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
460 * regclass.c (call_really_used_regs): New array for registers which
461 are actually used by a call.
462 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
464 (fix_register): Set call_really_used too.
465 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
466 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
468 2001-08-01 Richard Henderson <rth@redhat.com>
470 * read-rtl.c (read_name): Consider \r whitespace.
472 2001-07-11 Andrew Cagney <ac131313@redhat.com>
474 * config.gcc: Recognize powerpc-*-netbsd*.
476 * doc/install.texi (Host/target specific installation notes for
477 GCC): Mention powerpc-*-netbsd*.
479 * config/rs6000/netbsd.h: New file.
480 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
481 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
482 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
483 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
484 (TARGET_VERSION): Redefine.
486 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
487 mcall-netbsd as a match for mcall-sysv.
488 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
489 (ncrti.S, ncrtn.S): New targets.
490 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
492 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
493 "netbsd' as a V4 ABI.
494 (ASM_SPEC): Check for -mcall-netbsd.
495 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
496 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
497 (LIB_SPEC, ENDFILE_SPEC): Ditto.
498 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
499 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
500 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
501 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
503 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
504 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
506 2001-08-01 Mark Kettenis <kettenis@gnu.org>
508 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
509 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
510 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
511 including "unwind-pe.h".
513 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
515 * rs6000.md (define_splits): Kill unused constraints.
517 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
518 Jan Hubicka <jh@suse.cz>
520 * function.c (thread_prologue_and_epilogue_insns): Kill code
521 dealing with non-existent CFG.
523 2001-08-01 Kazu Hirata <kazu@hxi.com>
525 * alias.c: Fix comment formatting.
526 * bitmap.c: Likewise.
527 * builtins.c: Likewise.
529 * c-common.c: Likewise.
530 * c-decl.c: Likewise.
531 * c-dump.c: Likewise.
533 * collect2.c: Likewise.
534 * combine.c: Likewise.
535 * conflict.c: Likewise.
536 * cppfiles.c: Likewise.
537 * cppinit.c: Likewise.
538 * cpplex.c: Likewise.
539 * cpplib.c: Likewise.
540 * cppmacro.c: Likewise.
541 * cppspec.c: Likewise.
542 * c-pragma.c: Likewise.
543 * crtstuff.c: Likewise.
545 * cselib.c: Likewise.
546 * c-semantics.c: Likewise.
547 * c-typeck.c: Likewise.
549 2001-08-01 H.J. Lu <hjl@gnu.org>
551 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
553 2001-08-01 H.J. Lu <hjl@gnu.org>
555 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
557 2001-08-01 Ziemowit Laski <zlaski@apple.com>
559 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
560 contextualizing Objective-C class name lookup by the lexer.
561 (typespec_reserved_nonattr): Disable ObjC class name lookup after
563 (protocoldef): Add support for forward @protocol declarations.
564 (yylexname): Suppress ObjC class name lookup in certain contexts;
565 re-enable after lookup is complete.
566 (_yylex): Re-enable ObjC class name lookup when certain
567 punctuation marks are seen.
569 * objc/objc-act.c (check_protocol_recursively): New function used
570 for finding circular dependencies in protocols.
571 (objc_declare_protocols): New function for handling forward
572 @protocol declarations.
573 (receiver_is_class_object): Detect the case when 'self' is used
574 inside of a class method.
575 (build_message_expr): Issue a warning if class method is desired
576 but instance method is found instead.
577 (conforms_to_protocol): Streamline.
578 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
579 protocol Foo, even if 'Bar foo' does not.
580 (check_protocols): Streamline.
581 (start_protocol): Add checks for circular and duplicate protocol
583 (encode_aggregate_within): For typedefs of structs, encode the
585 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
586 (objc_declare_protocols): New prototype.
588 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
590 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
591 * cpplex.c (handle_newline): Update prototype. Maintain logical
593 (skip_escaped_newlines, skip_block_comment, parse_string):
595 (_cpp_lex_token): Update, and store token position within the token.
596 * cpplib.h (struct cpp_token): Add line and column entries.
597 * cppmacro.c (replace_args): Position stringified tokens correctly.
599 2001-08-01 Andreas Jaeger <aj@suse.de>
601 * basic-block.h: Add prototype for last_loop_beg_note.
603 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
605 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
606 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
608 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
609 while handling WITH_CLEANUP_EXPR node. Use second operand calling
611 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
613 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
614 operand while calling simple_cst_equal.
615 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
616 operand is the cleanup expression, the third is the RTL_EXPR.
617 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
619 2001-07-31 Jeff Sturm <jsturm@one-point.com>
621 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
623 2001-07-31 matthew green <mrg@eterna.com.au>
625 * config.gcc (i386-*-netbsdelf): New description.
626 * config/i386/netbsd-elf.h: New file.
628 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
630 * loop.c (check_dbra_loop): Use single_set to compute
633 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
635 PowerPC reorg and support for powerpc64-*-linux*.
637 Also fixes emitting of constants on 32 bit and 64 bit
640 * config.gcc: powerpc64-*-linux* is a new target.
641 Things that needed aix.h now also include xcoff.h
643 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
645 Move AIX specific stuff into aix.h.
646 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
647 with more than just XCOFF now.
648 (SET_ASM_OP): Remove, now defined where needed.
649 (FUNCTION_PROLOGUE): New macro definition.
650 (FUNCTION_EPILOGUE): New macro definition.
651 (CONST_OK_FOR_LETTER_P): Change N to require that value is
653 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
655 * config/rs6000/xcoff.h: New file.
657 * config/rs6000/linux64.h: New file.
659 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
661 2001-07-31 Alan Modra <amodra@bigpond.net.au>
663 * rs6000.c (print_operand_address): Handle ELF syntax.
664 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
665 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
666 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
668 2001-07-31 David Edelsohn <edelsohn@gnu.org>
670 * rs6000.c (rs6000_override_options): Only disable
671 flag_function_sections for XCOFF.
672 (exact_log2_cint_operand): New predicate.
673 (reg_or_{add,sub}_cint64_operand): New predicates.
674 (add_operand): Compare CONST_INT with fewer function calls.
675 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
676 (print_operand, case 'p'): Ensure positive operand.
677 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
678 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
679 (PREDICATE_CODES): Add new predicates.
680 * rs6000.md (addsi3): Split 32-bit constants more correctly.
681 (divsi3, modsi3): Ensure positive power-of-2.
682 (adddi3): Use new predicate. Split 32-bit constants more
683 correctly. Re-arrange splitter to handle any constant.
684 (subdi3): Use new predicate.
685 (divdi3, moddi3): Ensure positive power-of-2.
686 (movdi): Use rs6000_emit_set_const.
687 (load_toc_v4_pic_di): Delete.
689 2001-07-31 Graham Stott <grahams@redhat.com>
691 * function.c (pad_below): Revert 2001-07-26 patch.
693 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
695 * reg-stack (convert_regs_1): Fix best edge condition.
697 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
699 * jump.c (duplicate_loop_exit_test): Better test for jumps
700 entering the loop; create loop pre_header.
702 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
704 * doc/install.texi: Add s390 and s390x as new targets.
705 * doc/invoke.texi: Add documantation of S/390 and zSeries
707 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
709 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
711 * config/m68k/m68k.md: Replace all general_operand with
712 nonimmediate_operand for all destinations.
713 * config/m68k/m68k.c (not_sp_operand): Likewise.
715 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
717 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
719 2001-07-30 Richard Henderson <rth@redhat.com>
721 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
722 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
724 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
726 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
727 Add missing doc strings
728 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
729 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
731 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
733 * i386.c (ix86_output_main_function_alignment_hack): New function.
734 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
736 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
737 edges by EDGE_DFS_BACK flag.
738 (dump_edge_info): Add dfs_back flag.
739 * basic-block.h (EDGE_DFS_BACK): New constant.
740 (mark_dfs_back_edges): Declare.
741 * alias.c (loop_p): Remove.
742 (mark_constant_function): Use mark_dfs_back_edges.
744 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
745 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
746 (compensate_edge): Break out from ...
747 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
748 (convert_regs_2): Set block_done once block is really done;
749 Do updating of the predecesors counts.
751 * toplev.c (rest_of_compilation): Recompute block_for_insn
752 before post-reload cfg_cleanup.
753 * function.c (thread_prologue_epilogue_insns):
754 Call set_block_for_new_insns when emitting prologue directly.
756 2001-07-30 Andreas Jaeger <aj@suse.de>
758 * jump.c: Add prototype for mark_modified_reg.
760 * cse.c (set_live_p): Add unused attribute.
762 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
764 (scan_for_source_files): Use long for count to avoid overflow.
765 (output_data): Likewise.
766 (output_data): Don't use string concatatenation to silence gcc
769 * predict.c: Fix typos and grammar.
771 * gcse.c (insert_insn_end_bb): Remove unused variables.
773 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
775 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
776 (attempt_auto_inc): LIkewise.
777 (mark_used_reg): Likewise.
778 (try_pre_increment_1): Likewise.
779 * regclass.c (regclass): Likewise.
780 * global.c (allocno_compare): Update comment; change scaling factor.
781 * local-alloc.c (QTY_CMP_PRI): Likewise.
782 * regs.h (REG_FREQ_FROM_BB): New.
783 (REG_FREQ_MAX): Likewise.
785 2001-07-30 H.J. Lu <hjl@gnu.org>
787 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
790 2001-07-30 H.J. Lu (hjl@gnu.org)
792 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
793 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
794 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
796 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
798 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
799 as -mthumb-interwork when -mcpu=arm7 is specified.
801 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
803 * predict.def (noreturn, loop branch, loop exit): Mark as first
806 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
808 * combine.c (try_combine): Avoid barrier after noop jumps.
810 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
812 * cpphash.h (struct cpp_reader): Remove import_warning.
813 * cpplib.c (skip_rest_of_line): Don't bother turning off
815 (parse_include): Move include handling to...
816 (do_include_common): ... here. Move import warning from...
817 (do_import): ... here.
818 (do_pragma_poison): Don't do a callback for poison identifiers.
819 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
820 * cppmain.c (setup_callbacks): Similarly.
822 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
824 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
825 handle multiple sets.
826 * except.c (sjlj_mark_call_sites): .... here.
827 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
829 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
831 Suggested by Richard Henderson and Richard Kenner:
832 * combine.c (recog_for_combine): Use the fake recog
833 only if instruction does not match.
834 * rtl.h (NOOP_MOVE_INSN_CODE): New.
835 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
837 * combine.c (try_combine): Discover noop jump as direct jump.
839 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
841 * df.c (df_rd_global_compute): Add successors to worklist, not
843 (df_ru_global_compute): Ditto.
845 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
847 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
848 increment REG_N_SETS.
850 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
852 * sbitmap.h: New prototype for sbitmap_a_xor_b.
854 * sbitmap.c (sbitmap_a_xor_b): New function.
855 ifdef the basic block stuff on IN_GCC.
857 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
859 * cppexp.c (parse_defined): Always record the macro name.
860 (lex): Don't worry about identifiers, or special-case
862 (_cpp_parse_expr): Figure out at the end of the routine
863 whether we saw a valid !defined() expression.
864 * cppfiles.c (stack_include_file): Update for mi_valid.
865 (_cpp_pop_file_buffer): Similarly.
866 * cpplex.c (_cpp_lex_token): Similarly.
867 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
868 mi_if_not_defined, mi_lexed): Remove.
870 * cpplib.c (do_if): Simplify.
871 (do_endif, push_conditional, _cpp_handle_directive): Update
872 for renaming of mi_state to mi_valid.
874 * cpp.texi: Add index entries for digraphs, and add comment
875 that C++ refers to them as alternative tokens.
877 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
879 * basic-block.h (CLEANUP_PRE_LOOP): New.
880 * except.c (finish_eh_generation): Update call of cleanup_cfg.
881 * sibcall.c (optimize_sibling_calls): Likewise.
882 * toplev.c (rest_of_compilation): Likewise.
883 * flow.c (try_forward_edges): Take argument MODE;
884 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
885 (try_optimize_cfg): Update call of try_forward_edges.
887 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
888 Jan Hubicka <jh@suse.cz>
890 * (validate_replace_rtx_1): Fix simplification of MINUS.
892 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
895 * cppinit.c (init_dependency_output): Turn off dump requests
896 if sending dependencies to stdout.
898 2001-07-28 Richard Henderson <rth@redhat.com>
900 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
903 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
905 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
907 2001-07-28 Kazu Hirata <kazu@hxi.com>
909 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
910 is VAR_DECL first to prevent an ICE.
912 2001-07-28 Richard Henderson <rth@redhat.com>
914 * varasm.c (immed_real_const_1): Don't elide special cases for
916 (clear_const_double_mem): Clear const_tiny_rtx too.
918 2001-07-28 Richard Henderson <rth@redhat.com>
920 * dwarf2out.c (dw_val_class_offset): New.
921 (struct dw_ranges_struct, dw_ranges_ref): New.
922 (ranges_table, ranges_table_allocated): New.
923 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
924 (add_AT_offset, add_ranges, output_ranges): New.
925 (print_die, output_die): Handle dw_val_class_offset.
926 (attr_checksum, size_of_die, value_format): Likewise.
927 (gen_lexical_block_die): Handle non-contiguous blocks.
928 (gen_block_die): Likewise.
929 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
930 if needed. Dump the ranges table.
931 * final.c (final_start_function): Remove unnecessary notes and
932 rebuild the block tree before numbering the blocks.
933 * function.c (reorder_blocks_0): Walk the existing block tree
934 to unmark all blocks.
935 (reorder_blocks_1): Create block fragments when duplicate block
937 (reorder_fix_fragments): New.
938 (reorder_blocks): Call it.
939 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
941 2001-07-28 Richard Henderson <rth@redhat.com>
943 * emit-rtl.c (adjust_address): Make a copy of the memory address.
945 2001-07-28 Richard Henderson <rth@redhat.com>
947 * flow.c (add_to_mem_set_list): New function.
948 (init_propagate_block_info): Use it.
949 (mark_set_1): Likewise.
950 (insn_dead_p): Canonicalize memory address for dead store
951 comparison. Allow wider mode stores to kill narrower mode stores.
952 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
953 (invalidate_mems_from_set): Don't handle MEMs.
955 2001-07-28 Kazu Hirata <kazu@hxi.com>
957 * config/h8300/h8300.h: Fix formatting.
959 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
961 * basic-block.h (EDGE_FREQUENCY): New macro.
962 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
964 * flow.c (find_sub_basic_blocks): Likewise.
965 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
966 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
968 * predict.c (DEF_PREDICTOR): New argument FLAGS.
969 (HITRATE): New macro.
970 (PRED_FLAG_FIRST_MATCH): New constant.
971 (predictor_info): New field flgags.
972 (combine_predictions_for_insn): Use DS theory to combine
973 probabilities; set the edge probabilities when finished.
974 (estimate_probability): Avoid duplicated matches
975 of LOOP_BRANCH heuristics for nested loops; update comment.
976 * predict.def: Add flags for each prediction, set probabilities
977 according to B&L paper.
978 * predict.h (DEF_PREDICTOR): New argument FLAGS.
980 * profile.c (compute_branch_probabilities): Cleanup way the edge
981 probabilities are computed and REG_BR_PROB notes are dropped; if
982 values does not match, emit error.
983 (init_branch_prob): Do error instead of warning when profile driven
984 feedback is missing or corrupt.
986 2001-07-27 DJ Delorie <dj@redhat.com>
988 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
989 against a constant, try to adjust the compare to have the desired
990 constant in it so that min/max optimizations happen more often.
992 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
994 * flow.c (last_loop_beg_note): New function.
995 (redirect_edge_and_branch): Use it.
996 (split_edge): Likewise.
998 * alias.c (loop_p): Avoid uninitialized memory access.
1000 * flow.c (try_forward_edges): Avoid accessing freed memory.
1002 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
1005 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1007 * doc/install.texi (Configuration): Properly link the host
1008 specific instructions also when generating HTML.
1010 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
1012 * flow.c (redirect_edge_and_branch_force): Test
1013 target->global_live_at_start.
1015 2001-07-26 Richard Henderson <rth@redhat.com>
1017 * simplify-rtx.c (avoid_constant_pool_reference): Export.
1018 * rtl.h (avoid_constant_pool_reference): Declare it.
1019 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
1020 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
1022 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1024 * rtl.h (cleanup_barriers): Declare.
1025 * jump.c (cleanup_barriers): New function.
1026 * toplev.c (rest_of_compilation): Call cleanup_barriers
1027 before loop optimizer and after bb_reorder.
1029 * flow.c (back_edge_of_syntactic_loop_p): New.
1030 (split_edge): Use it.
1032 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1034 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
1036 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
1038 * cse.c (cse_process_notes): Replace any registers if the address
1041 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
1043 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
1044 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
1045 (propagate_block): Update prototype.
1046 * flow.c (update_life_info): Simplify the CFG and
1047 recalculate the global regs which are alive when
1048 removing dead code during a global update.
1049 (propagate_block): Return non-zero if an INSN is
1052 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1054 * Makefile.in (LIBICONV): Define.
1056 2001-07-26 Catherine Moore <clm@redhat.com>
1058 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
1059 of conditional to avoid tree checking errors.
1061 2001-07-26 Kazu Hirata <kazu@hxi.com>
1063 * regmove.c (regmove_optimize): Don't replace a reg with
1064 another reg of a different mode.
1066 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
1068 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
1069 limit length of dependancy flush list.
1070 * params.h (MAX_PENDING_LIST_LENGTH): Define.
1071 * sched-int.h (struct deps): Add pending_flush_length field.
1072 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
1073 has 1 element in it.
1074 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
1075 (sched_analyze): After a jump, if the pending memory flush list is too
1076 large, flush the pending lists.
1077 (init_deps): Initialize pending_flush_length to 0.
1078 * doc/invoke.texi (max_pending_list_length): Document parameter.
1080 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
1082 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
1083 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
1084 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
1086 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1088 * cpphash.h (struct_lexer_state): Delete was_skipping.
1089 Move skipping here from struct cpp_reader.
1090 * cpplex.c (parse_identifier): Update.
1091 (_cpp_lex_token): Don't skip tokens in a directive.
1092 * cpplib.c (struct if_stack): Update.
1093 (start_directive, end_directive): Don't change skipping state.
1094 (_cpp_handle_directive): Update.
1095 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
1096 (do_else, do_endif): Update; only check for excess tokens if not
1097 in a skipped conditional block.
1098 (push_conditional): Update for new struct if_stack.
1100 2001-07-26 Graham Stott <grahams@redhat.com>
1102 * function.c (locate_and_pad_parm): Also pad initial offset
1103 so that the total argument size also includes the padding.
1105 2001-07-26 Graham Stott <grahams@redhat.com>
1107 * gensupport.c (alter_output_for_insn): Correct enable checking failure
1108 change XSTR to XTMPL.
1110 (process_one_cond_exec): Likewise
1112 2001-07-25 Richard Henderson <rth@redhat.com>
1114 * varasm.c (assemble_variable): Create DECL_RTL before setting
1117 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
1119 * predict.c (estimate_probability): Avoid duplicated predictions.
1121 * loop.c (find_and_verify_loops): Grok multiple barriers.
1123 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1125 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
1127 * dbxout.c: Consistently use putc instead of fputc.
1128 (print_wide_int): New function; call instead of direct fprintf.
1129 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
1130 (dbxout_type_fields, dbxout_type_method_1): Likewise.
1131 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
1132 (print_int_cst_octal): Likewise.
1133 (print_octal): Show we wrote characters.
1134 (dbxout_type): Set have_used_extensions in more places.
1136 2001-07-25 Catherine Moore <clm@redhat.com>
1138 * config/v850/v850.c (v850_va_arg): Use addr
1139 instead of valist to build incr.
1141 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
1143 * flow.c (delete_dead_jumptables): New function.
1144 (life_analyzis): Call it.
1145 * bb-reorder.c (skip_insns_after_block): Handle contradictory
1148 2001-07-25 Richard Henderson <rth@redhat.com>
1150 * except.c (reachable_handlers): Handle a region being removed
1151 out from under a RESX.
1153 2001-07-25 Richard Henderson <rth@redhat.com>
1155 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
1156 swap GE/GT if it is an fp comparison.
1158 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
1160 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
1163 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
1165 * ssa.c (rename_insn_1): Do not wrap an assignment to a
1166 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
1169 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
1171 (visit_expression): When attempting to simplify an expression,
1172 retrieve any modes for arguments before they are simplified
1175 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1176 Janis Johnson <janis@us.ibm.com>
1178 * stmt.c (expand_goto): A nonlocal goto can be a call too.
1179 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
1180 pointer parameters to match documented usage of nonlocal_goto.
1181 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
1182 parameters to their correct order.
1183 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
1184 parameters to their correct order.
1186 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
1188 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
1190 2001-07-25 Jan Hubicka <jh@suse.cz>
1191 Richard Henderson <rth@redhat.com>
1193 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
1195 (make_edges): New argument update_p; populate the edge cache if set.
1196 (find_basic_blocks): Update make_edges invocation.
1198 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1200 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
1202 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1204 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
1205 -Acpu and -Amachine.h.
1206 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
1207 Corrected header to say ELF not a.out.
1208 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
1209 when given -msoft-float.
1211 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1213 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
1214 extra multilib parts like arm-elf.
1215 (i960-*-coff*, i960-*-rtems): Should not use collect2.
1216 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
1217 crtfini.o as extra multilib parts.
1219 2001-07-24 Joel Sherrill <joel@OARcorp.com>
1221 * configure.in: Add rtems as a supported thread model.
1222 * gthr-rtems.h: Add missing entry point __gthread_active_p.
1223 * configure: Rebuilt.
1225 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
1227 * stor-layout.c (get_mode_alignment): make it work when
1228 BITS_PER_UNIT is not a power of two.
1229 * builtins.c (get_pointer_alignment): Likewise.
1231 2001-07-24 Richard Henderson <rth@redhat.com>
1233 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
1234 the retrieved constant into the expected mode.
1236 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1238 * flow.c (try_simplify_condjump): Avoid duplicated edges.
1239 (verify_flow_info): Check for duplicated edges; clarify
1242 * flow.c (block_label): Update basic_block_for_insn.
1243 (commit_edge_insertions): Call compute_bb_for_insn.
1245 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
1248 * flow.c (redirect_edge_and_branch,
1249 try_optimize_cfg): Use redirect_edge_succ_nodup
1250 (redirect_edge_succ_nodup): New.
1251 * basic_block.h (redirect_edge_succ_nodup): Declare.
1253 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
1256 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1258 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
1259 (try_crossjump_to_edge): Update commetns.
1260 (try_crossjump_bb): Likewise.
1262 2001-07-24 Richard Henderson <rth@redhat.com>
1264 * combine.c (distribute_notes): Move set of need_refresh
1265 for noop_move_p down to catch all cases.
1267 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
1269 * recog.c (split_all_insns_noflow): New.
1270 * rtl.h (split_all_insns_noflow): Declare.
1271 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
1272 * m68hc11.c (m68hc11_reorg): Likewise.
1273 * sh.c (machine_dependent_reorg): Likewise.
1274 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
1277 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1279 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
1280 (ashlsi3_n splitter): Likewise.
1281 (lshrsi3_n splitter): Likewise.
1283 (GOTaddr2picreg): Make const SImode.
1284 (sym_label2reg): Likewise.
1285 (symGOT2reg): Likewise.
1286 (symGOTOFF2reg) Likewise.
1288 (casesi_worker_0): Make unspec SImode.
1290 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
1292 * config/sh/sh.c (barrier_align): Check that an operand really is
1293 an insn before extracting its INSN_CODE.
1295 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
1297 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
1300 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
1301 for SImode to prevent overflow.
1303 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1305 * config/mips/irix6-libc-compat.c: New file.
1306 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
1307 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
1310 2001-07-24 lars brinkhoff <lars@nocrew.org>
1312 * rtl.texi (REG_POINTER): Document.
1313 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
1314 QFmode, HFmode, TQFmode, QCmode, and HCmode.
1316 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1318 * flow.c (delete_noop_moves): Do not confuse libcall regions.
1320 2001-07-23 Richard Henderson <rth@redhat.com>
1322 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
1324 2001-07-23 Kazu Hirata <kazu@hxi.com>
1326 * config/h8300/h8300-protos.h: Add a prototype for
1327 general_operand_dst_push.
1328 * config/h8300/h8300.c (general_operand_dst_push): New.
1329 * config/h8300/h8300.h (OK_FOR_T): New.
1330 (EXTRA_CONSTRAINT): Use it.
1331 * config/h8300/h8300.md (movqi_push): Remove and integrate into
1332 the existing movqi pattern.
1333 (movhi_push): Likewise.
1335 * reload.c: Fix comment typos.
1337 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1339 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
1341 2001-07-23 H.J. Lu (hjl@gnu.org)
1343 * doc/extend.texi: Update __builtin_return_address and
1344 __builtin_frame_address.
1346 2001-07-23 Richard Henderson <rth@redhat.com>
1348 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
1350 * config/i386/i386.md: New setcc+movzbl peephole2.
1352 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1354 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
1355 * objc/objc-act.c: Include debug.h.
1356 (synth_module_prologue): Save and restore debug hooks too.
1358 2001-07-23 lars brinkhoff <lars@nocrew.org>
1360 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
1361 and C4X_FLOAT_FORMAT.
1362 (BOOL_TYPE_SIZE): Document.
1364 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
1366 * unroll.c (loop_iterations): Fix miscalculation of initial
1369 2001-07-13 Andrew Haley <aph@redhat.com>
1371 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
1372 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
1373 * config/sh/sh.c (sh_can_redirect_branch): New function.
1374 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
1375 * reorg.c (steal_delay_list_from_target): Use
1376 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
1378 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1380 * flow.c (try_simplify_condjump): Unlink insn chain on
1381 fallthru edge; use can_fallthru.
1383 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1385 * basic-block.h (find_sub_basic_block): Declare.
1386 * flow.c (make_edges): New arguments MIN and MAX;
1387 (find_sub_basic_blocks): Revamp to use make_edges
1388 and purge_dead_edges.
1389 (find_basic_blocks): Update call of find_sub_basic_block.
1391 * recog.c (split_all_insns): Always expect CFG to be consistent;
1392 call find_sub_basic_blocks in case something has changed.
1393 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
1396 * basic-block.h (delete_noop_moves): Declare.
1397 * combine.c (combine_instructions): Call it.
1398 (recog_for_combine): Tolerate noop moves
1399 (distribute_notes): Force refresh when register dies at noop move.
1400 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
1402 (life_analysis): Update delete_noop_moves call.
1403 (set_noop_p): Move too ...
1404 * rtlanal.c (noop_move_p): ... here.
1405 * rtl.h (noop_move_p): Declare.
1407 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
1408 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
1410 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
1411 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
1413 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
1415 * reload.c (push_reload): Fix typo in comment.
1416 (find_reloads_address): Ditto.
1417 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
1419 2001-07-22 Richard Henderson <rth@redhat.com>
1421 * flow.c: Grammar check and clarify a lot of comments.
1422 (try_simplify_condjump): Rename variables to be clearer.
1423 (try_forward_edges): Skip complex and fallthru edges.
1424 Rearrange tests to avoid duplicate checks.
1425 (flow_find_cross_jump): Likewise.
1426 (outgoing_edges_match): Allow match if neither branch has
1427 probability data. Loosen probability match to 5%.
1428 (try_crossjump_to_edge): Hoist repeated indirection into
1430 (try_crossjump_bb): Don't check complex edges. Eliminate
1431 redundant crossjump tests.
1432 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
1433 checks before more expensive checks.
1435 2001-07-22 Richard Henderson <rth@redhat.com>
1437 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
1438 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
1441 2001-07-22 Richard Henderson <rth@redhat.com>
1443 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
1444 (const_sint32_operand): Likewise.
1445 * m68k.md (anon mulsi pattern): Use const_int_operand not
1446 const_sint32_operand.
1447 (umulsi3_highpart): Zero extend a constant input.
1448 (smulsi3_highpart): Don't bother checking SImode constant.
1449 (const_umulsi3_highpart): Give op3 DImode.
1450 (const_smulsi3_highpart): Likewise.
1452 2001-07-22 Richard Henderson <rth@redhat.com>
1454 * flow.c (split_block): Make sure bb_note is included in the
1455 new block when splitting before a label.
1457 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1459 * basic-block.h (redirect_edge_and_branch_force,
1460 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
1461 * flow.c (redirect_edge_and_branch_force,
1462 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
1463 (redirect_edge_and_branch_force): Fix copying of lifeness information.
1464 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
1465 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
1466 instead of label; update CFG after transformation.
1467 (find_if_case_1): Update call, use redirect_edge_and_branch_force
1468 for finishing the transformation; handle even case where ELSE
1469 does not follow THEN.
1470 (find_if_case_2): Update call of dead_or_predictable; simplify
1473 * emit-rtl.c (split_branch_probability): New global variable.
1474 (try_split): Take care to set split_branch_probability and
1475 create REG_BR_PROB note for new jump insns.
1476 * md.texi (define_split): Document new feature.
1478 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
1480 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1482 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
1483 (asm_out_file): Remove redundant declaration.
1484 (assemble_asm): Remove old #if 0 block.
1485 (assemble_variable): Remove end of function; debug output is
1486 now handled with global_decl. Remove old #if 0 block. Update.
1487 Remove saved_in_section and associated no-op code.
1488 * Makefile.in (varasm.o): Correct dependencies.
1490 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
1492 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1493 the definition in defaults.h.
1495 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1497 * jump.c: Update comments.
1498 (delete_barrier_successors, delete_unreferenced_labels,
1499 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
1500 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
1501 jump_optimize, jump_optimize_minimal): Kill.
1502 (rebuild_jump_labels): Move code from jump_optimize_1.
1503 (purge_line_number_notes): Likewise.
1504 (copy_loop_headers): Likewise.
1505 * reg-stack.c: Update comment.
1507 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
1508 JUMP_AFTER_REGSCAN): Kill.
1509 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
1510 purge_line_number_notes and copy_loop_headers.
1512 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
1513 Richard Henderson <rth@redhat.com>
1515 * dbxout.c (dbxout_global_decl): New.
1516 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1517 * sdbout.c (sdbout_finish): New.
1518 (sdbout_debug_hooks): Use it, add comments.
1519 (sdbout_global_decl): Defer initialised public vars to
1521 * varasm.c (assemble_variable): Don't output debug information
1522 for file-scope variables.
1524 2001-07-22 Richard Henderson <rth@redhat.com>
1526 * config/alpha/alpha.c (get_trap_mode_suffix): New.
1527 (get_round_mode_suffix): New.
1528 (print_operand): Use them for [/]. Remove support for [&'`()+].
1529 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
1530 * config/alpha/alpha.md (attr round_suffix): New.
1531 (attr trap_suffix): New.
1532 (all insns): Set them appropriately. Use %/ instead of the
1535 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1537 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
1539 2001-07-22 Richard Henderson <rth@redhat.com>
1541 * regrename.c (regrename_optimize): Compute nregs for each
1542 potential target register.
1544 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
1545 Richard Henderson <rth@redhat.com>
1547 * dbxout.c (dbxout_global_decl): New.
1548 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
1549 * sdbout.c (sdbout_finish): New.
1550 (sdbout_debug_hooks): Use it, add comments.
1551 (sdbout_global_decl): Defer initialised public vars to
1553 * varasm.c (assemble_variable): Don't output debug information
1554 for file-scope variables.
1556 2001-07-21 H.J. Lu (hjl@gnu.org)
1558 * config/mips/mips.c (mips_cpu): Moved into ...
1559 (override_options): Here.
1561 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
1563 (mips_cpu): Removed.
1565 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1567 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
1568 ("iorqi3"): Likewise.
1569 ("xorqi3"): Likewise.
1570 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
1571 ("*subhi3_sp): Likewise.
1572 ("*subhi3"): Likewise.
1573 ("extendhisi2"): Accept D, X and Y as source operand to avoid
1576 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
1578 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
1579 * config/freebsd.h: Likewise.
1580 * config/linux.h: Likewise.
1581 * config/openbsd.h: Likewise.
1582 * config/alpha/linux-elf.h: Likewise.
1583 * config/arm/linux-elf.h: Likewise.
1584 * config/d30v/d30v.h: Likewise.
1585 * config/fr30/fr30.h: Likewise.
1586 * config/ia64/aix.h: Likewise.
1587 * config/ia64/ia64.h: Likewise.
1588 * config/mips/linux.h: Likewise.
1589 * config/pj/pj.h: Likewise.
1590 * config/rs6000/linux.h: Likewise.
1591 * config/sparc/linux.h: Likewise.
1592 * config/sparc/linux64.h: Likewise.
1594 2001-07-20 Bruce Korb <bkorb@gnu.org>
1596 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
1597 because getc() and char* may disagree on signedness.
1599 2001-07-20 Richard Henderson <rth@redhat.com>
1601 * doc/rtl.texi (REG_DEAD): Update for current semantics.
1603 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
1604 insns to delete in the presence of cc0 in a jump insn.
1606 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1607 Jan Hubicka <jh@suse.cz>
1609 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
1610 of doing the change by hand.
1612 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1614 * rtlanal.c (set_noop_p): Return true for noop jumps.
1616 * expr.c (emit_single_push_insn): Add call to push expander.
1617 * expr.h (optab_index): Add OTI_push
1618 (push_optab): New constant.
1619 * genopinit.c (optabs): Add push_optab.
1620 * optabs.c (init_optab): Init push optab.
1621 * md.texi (push??1): Document
1623 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1625 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
1626 expand to emit the pattern; put a REG_INC note for push/pop
1628 ("movdf", "movdf_internal"): Likewise.
1629 ("movsi", "movsi_internal"): Likewise.
1630 ("movsf", "movsf_internal"): Likewise.
1631 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
1633 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1635 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
1638 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
1640 * params.def: Change default max inline insns to 100.
1642 2001-07-20 Diego Novillo <dnovillo@redhat.com>
1644 * combine.c (combine_simplify_rtx): Generate a new shift operation
1645 when simplifying the first operand of a (neg (ashift)) expression.
1647 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1649 * regclass.c (N_REG_INTS): Use only 32 bits per element.
1651 2001-07-20 Kelley Cook <kelley.cook@home.com>
1653 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
1654 information. Move rest into ...
1655 (*-*-solaris): ... here. Eliminate redundant information and
1656 reword necessary packages section. Delete 4.x assembler bug info.
1657 (sparc-sun-*): Merge into ...
1658 (sparc-sun-sunos*): here.
1660 2001-07-20 Catherine Moore <clm@redhat.com>
1662 * config/v850/v850.md (casesi): Generate LABEL_REF
1665 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1667 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
1668 * i386.c (ix86_zero_extend_to_Pmode): Make global.
1669 * i386.md (strclrsi expander): Use it.
1671 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1673 * integrate.c (copy_insn_list): handle
1674 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
1675 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
1676 identically as to CODE_LABEL.
1678 * fold-const (fold): Convert A/B/C to A/(B*C) and
1681 * except.c (connect_post_landing_pads): Delete the RESX insns.
1683 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
1685 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
1687 * config/mips/mips.md (nmadd/nmsub): Use macro.
1689 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
1691 * cppinit.c (remove_dup_dir): Make static.
1692 (remove_dup_dirs): Make static. Only warn about preempting a
1693 system directory with a non-system directory.
1695 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1697 * ifcvt.c (noce_try_store_flag_constants): Correct order
1698 of parameters to trunc_int_for_mode.
1700 2001-07-19 Mark Mitchell <mark@codesourcery.com>
1702 * reorg.c (fill_simple_delay_slots): If an instruction might throw
1703 an exception that will be caught within this function, do not fill
1704 its delay slot with any subsequent instruction.
1706 2001-07-19 Steve Ellcey <sje@cup.hp.com>
1708 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
1709 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
1710 pointer extension instruction.
1711 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
1712 * simplify-rtx.c (simplify_unary_operation) Likewise.
1713 * explow.c (convert_memory_address) Check value of
1714 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
1716 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
1717 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
1718 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
1719 Add Multilib Support.
1720 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
1721 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
1722 Add Multilib Support.
1723 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
1725 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
1726 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
1727 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
1729 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
1731 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
1732 old and new operands in `<', `3' and `b'.
1734 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1736 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
1737 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
1738 (toplev.o): Don't depend on xcoffout.h.
1739 * c-decl.c: Include debug.h
1740 (duplicate_decls): Use debug hook.
1741 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
1742 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1743 (dbxout_types): Remove.
1744 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
1745 * debug.c (do_nothing_debug_hooks): Update.
1746 (debug_true_tree, debug_nothing_rtx): New.
1747 * debug.h (struct rtx_def): New.
1748 (struct gcc_debug_hooks): New hooks ignore_block,
1749 outlining_inline_function and label.
1750 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
1751 dwarf2out_frame_finish): New.
1752 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
1753 Make static, update prototype.
1754 (dwarf2_debug_hooks): Update.
1755 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
1756 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
1757 * dwarfout.c (dwarf_debug_hooks): Update.
1758 * emit-rtl.c: Include debug.h.
1759 (remove_unnecessary_notes): Use debug hook.
1760 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
1761 (final_scan_insn): Use debug hook.
1762 * integrate.c (output_inline_function): Use debug hook.
1763 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
1764 (sdb_debug_hooks): Update.
1765 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
1766 * toplev.c: Don't include xcoffout.h.
1767 (note_outlining_of_inline_function, debug_ignore_block): Remove.
1768 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
1770 * tree.h (dwarf2out_do_frame): Remove.
1772 2001-07-19 Catherine Moore <clm@cygnus.com>
1774 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
1776 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
1778 * reload1.c (eliminate_regs_in_insn): When updating a set
1779 to the frame pointer to the hardware frame pointer, perform
1780 the update always not just when REPLACE is set.
1782 * reload1.c (choose_reload_regs): Don't inherit a reload
1783 that crosses multiple registers if registers past the first
1784 don't fit in the desired class.
1786 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
1787 when negating constants.
1789 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1791 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1792 * doc/tree.texi: Ditto.
1794 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1795 Jakub Jelinek <jakub@redhat.com>
1797 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1798 (extract_cie_info): Handle "eh" augmentation properly,
1800 (struct frame_state, __frame_state_for): New.
1802 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1804 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1805 HANDLE_SYSV_PRAGMA): Define.
1806 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1808 (copy_object): Caller changed.
1810 2001-07-19 Andreas Schwab <schwab@suse.de>
1812 * configure.in (assembler dwarf2 debug_line support): Define nop
1814 * configure: Regenerated.
1816 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1818 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1820 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1821 to conditionally compiled block.
1822 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1823 * dbxout.h (dbxout_function): Remove.
1824 * debug.c (do_nothing_debug_hooks): Update.
1825 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1826 global_decl, deferred_inline_function.
1827 * dwarf2out.c (dwarf2_debug_hooks): Update.
1828 (dwarf2out_global_decl): New.
1829 * dwarfout.c: Don't include dwarfout.h.
1830 (dwarfout_global_decl, dwarfout_function_decl,
1831 dwarfout_deferred_inline_function): New.
1832 (dwarf_debug_hooks): Update.
1833 * dwarfout.h: Remove.
1834 * final.c: Don't include dwarfout.h.
1835 * sdbout.c (sdbout_global_decl): New.
1836 (sdbout_debug_hooks): Update.
1837 * toplev.c: Don't include dwarfout.h.
1838 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1839 (note_deferral_of_defined_inline_function): Remove.
1840 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1841 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1842 * ch/lex.c: Don't include dwarfout.h.
1843 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1844 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1845 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1846 * cp/optimize.c: Include debug.h.
1847 (maybe_clone_body): Use debug hook.
1848 * cp/semantics.c: Include debug.h.
1849 (expand_body): Use debug hook.
1850 * po/POTFILES.in: Remove dwarfout.h.
1852 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1854 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1855 * c-parse.in (yyerror, _yylex): Similarly.
1856 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1857 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1859 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1860 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1862 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1864 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1865 in-class declaration at -g1. Fixes c++/2814.
1867 2001-07-18 Richard Henderson <rth@redhat.com>
1869 * doc/md.texi (reload_in/out): Document restrictions in predicates
1870 and constraints for these patterns. Document empty string matching
1873 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1875 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1877 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1879 * cse.c: Undo my previous patch.
1881 2001-07-18 Tom Tromey <tromey@redhat.com>
1884 * configure: Rebuilt.
1885 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1887 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1889 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1890 Jan Hubicka <jh@suse.cz>
1892 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1893 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1894 * jump.c (mark_jump_label): Do not forward branches.
1896 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1898 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1899 when return value is unused.
1901 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1905 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1907 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1908 on error. We can't blindly return the result of
1909 pthread_mutex_trylock because it returns a positive number on
1910 error, while we must return -1 on error.
1911 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1913 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1915 2001-07-18 Andreas Jaeger <aj@suse.de>
1917 * integrate.c (output_inline_function): Correct type of debug_hooks.
1919 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1921 * combine.c (combine_simplify_rtx): DIV can be treated
1922 associatively for floats if unsafe math optimisations are enabled.
1924 2001-07-17 Richard Henderson <rth@redhat.com>
1926 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1928 2001-07-17 Richard Henderson <rth@redhat.com>
1930 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1931 don't force the function address into a register.
1932 (expand_call, emit_library_call_value_1): Update callers.
1933 * builtins.c (expand_builtin_apply): Likewise.
1934 * expr.h (prepare_call_address): Update decl.
1936 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1938 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1940 * config/i386/chorus.h: Move up.
1941 * config/sparc/chorus.h: Likewise.
1942 * config/rs6000/chorus.h: Likewise.
1943 * config/chorus.h: Moved here.
1945 2001-07-17 Andreas Schwab <schwab@suse.de>
1947 * configure.in (assembler eh_frame optimization): Handle big
1949 * configure: Regenerated.
1951 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1953 * expr.c (epxand_expr): Convert divisions into multiplications by
1954 reciprocals if -ffast-math.
1956 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1958 * dbxout.c (dbxout_really_begin_function): Rename to
1959 dbxout_begin_function.
1960 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1961 (dbxout_begin_function): Remove.
1962 (dbxout_function): Update.
1963 (dbxout_source_line): Update prototype.
1964 * dbxout.h (dbxout_begin_function): Remove.
1965 * debug.c (do_nothing_debug_hooks): Update.
1966 (debug_nothing_tree): Update.
1967 (debug_nothing_charstar_rtx): Remove.
1968 * debug.h (union tree_node): Declare.
1969 (struct rtx_def): Remove.
1970 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1971 begin_function. Change source_line prototype.
1972 (debug_nothing_tree): New.
1973 (debug_nothing_charstar_rtx): Delete.
1974 (dwarf2out_begin_prologue): Moved from ...
1976 * dwarf2out.c (dwarf2_debug_hooks): Update.
1977 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1978 debug info, call dwarf2out_source_line.
1979 (dwarf2out_souce_line): Update prototype.
1980 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1981 Change prototype, make static.
1982 (dwarfout_source_line): Update prototype.
1983 (dwarf_debug_hooks): Update.
1984 * dwarfout.h (dwarfout_begin_function): Remove.
1985 * final.c (final_start_function, final_scan_insn): Use appropriate
1986 debug hooks, update to use notice_source_line.
1987 (output_source_line): Rename notice_source_line. Don't call the
1988 source_line debug hook.
1989 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1990 make static, update prototype.
1991 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1993 (sdbout_end_prologue): New.
1994 (sdbout_source_line): Update prototype.
1995 (sdbout_debug_hooks): Update.
1996 (sdbout_symbol): Remove unused var.
1997 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1999 * varasm.c: Include debug.h.
2000 (assemble_start_function): Use begin_function debug_hook.
2001 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2002 update with prototype.
2003 (xcoffout_source_line): Update prototype.
2004 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
2006 (xcoffout_source_line): Update prototype.
2008 2001-07-17 Richard Henderson <rth@redhat.com>
2010 * c-typeck.c (build_binary_op): Do not shorten unsigned
2011 right shift after sign extension.
2013 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2015 * combine.c (combine_simplify_rtx): Attempt to simplify
2016 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
2018 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
2019 (simplify_binary_operation, simplify_unary_operation,
2020 simplify_relational_operation): Use it.
2022 * combine.c (combine_simplify_rtx): Don't do associative law
2023 on divisions; allow associative law on floats.
2025 2001-07-17 H.J. Lu <hjl@gnu.org>
2026 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2028 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
2029 ASM_OUTPUT_WEAK_ALIAS are defined.
2030 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
2031 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
2033 * config/mips/iris5.h: ... here.
2034 (HANDLE_SYSV_PRAGMA): Defined as 1.
2035 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
2036 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
2039 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2041 * c-parse.in (all_prefix_attributes): New variable.
2042 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
2043 (maybe_resetattrs): New production.
2044 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
2045 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
2046 notype_initdcl, nested_function, notype_nested_function,
2047 component_decl, components, components_notype,
2048 component_declarator, component_notype_declarator,
2049 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
2050 ivars, mydecl, myparm): Update. Avoid prefix attributes just
2051 after a comma being applied to more than one declarator.
2052 * doc/extend.texi (Attribute Syntax): Update. Remove
2053 documentation of bugs that are no longer present.
2055 2001-07-13 Eric Christopher <echristo@redhat.com>
2057 * config/mips/mips.h: Change TUNE_MIPS* options to use
2059 (EXTRA_SPECS): Add cc1_cpu_spec.
2060 * config/mips/mips.md (muldf3): Fix typo.
2062 2001-07-16 Richard Henderson <rth@redhat.com>
2064 * config/m68k/m68k.c: Include expr.h and reload.h.
2065 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
2066 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
2068 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2069 Richard Henderson <rth@redhat.com>
2071 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
2072 (insn_live_p): Fix fall off end of function.
2073 (dead_libcall_p): Remove COUNTS argument; update callers.
2074 (delete_trivially_dead_insns): Remove unused variables.
2076 2001-07-17 Andreas Jaeger <aj@suse.de>
2078 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
2081 * lcm.c (optimize_mode_switching): Avoid warning for unused
2082 variable if !NORMAL_MODE.
2084 * flow.c (try_crossjump_to_edge): Remove unused variable.
2086 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2088 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
2089 atexit declaration in stdlib.h.
2091 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
2093 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
2095 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2097 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
2098 * except.c (finish_eh_generation): Update call of cleanup_cfg;
2099 do rebuild_jump_labels instead of jump_optimize
2100 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2101 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
2102 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
2104 * flow.c: Include timevar.h
2105 (find_basic_block): Push/pop timevar;
2106 (cleanup_cfg): Likewise.
2107 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
2108 * Makefile: Add dependencies on timevar.h
2110 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
2111 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
2113 * rtl.h (delete_trivially_dead_insns): Add new parameter.
2114 * toplev.c (rest_of_compilation): Update calls.
2115 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
2116 (delete_trivially_dead_insns): ... here; accept new argument
2117 preserve_basic_blocks; preserve basic blocks if set.
2119 * reg-stack.c (stack_regs_mentioned): Return 0 if
2120 stack_regs_mentioned_data is not initialized.
2121 (reg_to_stack): Make stack_regs_mentioned survive after the
2122 reg-stack is completted; do not call cleanup_cfg.
2123 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
2124 make cleanup_cfg after bb-reorder to output to debug file.
2126 2001-07-16 Richard Henderson <rth@redhat.com>
2128 * regclass.c (init_reg_sets): Use only 32 bits per initializer
2129 from int_reg_class_contents.
2131 2001-07-16 Richard Henderson <rth@redhat.com>
2133 * hard-reg-set.h (regs_invalidated_by_call): Declare.
2134 * regclass.c (regs_invalidated_by_call): Move from cse.c.
2135 (init_reg_sets_1): Move initialization from cse_main.
2136 * cse.c (regs_invalidated_by_call): Move to regclass.c.
2137 (cse_main): Move its initialization also.
2138 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
2139 * flow.c (propagate_one_insn): Likewise.
2140 * gcse.c (compute_hash_table): Likewise.
2141 (compute_kill_rd, compute_store_table): Likewise.
2142 * sched-deps.c (sched_analyze_1): Likewise.
2144 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
2146 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
2149 2001-07-16 Steve Ellcey <sje@cup.hp.com>
2151 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
2152 in if statement so we don't access undefined memory.
2154 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
2156 * gcse.c: Update comment at top.
2157 Update comment on mem handling.
2158 mem_last_set, mem_first_set, mem_set_in_block: gone.
2159 Declaration of reg_set_info: gone.
2160 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
2161 pointless with load_killed_in_block_p (they are *more*
2162 conservative then it, not less, and less accurate).
2163 (oprs_not_set_p): Ditto.
2164 (alloc_gcse_mem): Don't allocate mem_set_in_block
2165 (free_gcse_mem): Don't free it, either.
2166 (record_last_mem_set_info): Update comment in front, remove
2167 mem_*set_* stuff. Note the reason we don't handle stores directly
2169 (compute_hash_table): Update comments to reflect reality. Remove
2170 mem_*set_* references.
2171 (reset_opr_set_tables): Remove mem_*set_* references.
2173 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
2174 (mark_clobber): Ditto (on both parts, we double set here too).
2175 (expr_killed_p): Remove mem_set_in_block test.
2176 (compute_transp): Remove mem_set_in_block test.
2178 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
2179 of edge, and removal of phi alternative to dump file.
2180 (ssa_ccp_substitute_constants): Add note about register now being
2181 constant, and which uses were replaced in what insns to dump file.
2183 2001-07-16 Andreas Jaeger <aj@suse.de>
2185 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
2186 variables of type HOST_WIDEST_INT.
2188 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
2189 (__bb_exit_func): Correct type of count_max to avoid overflow.
2190 (num_digits): Handle long long argument.
2192 * combine.c (gen_lowpart_for_combine): Remove unused variable.
2194 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2196 * output.h (sdb_begin_function_line): Restore as an extern
2198 * sdbout.c (sdb_begin_function_line): Make extern.
2200 2001-07-15 Richard Henderson <rth@redhat.com>
2202 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
2203 * genrecog.c (maybe_both_true_mode): New.
2204 (maybe_both_true_2): Use it.
2205 (write_switch): Don't put Pmode in a switch.
2206 * rtl.c (mode arrays): Don't explicitly size them.
2208 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2210 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
2211 handling; move unconditional splitting before mode switching.
2213 * i386.md (type): Add fistp type.
2214 (i387, length_attr, scheduling definitions): Handle this type.
2215 (fix_trunc?f?i2): Revamp to use mode switching.
2216 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
2217 * i386.h (fp_cw_mode): New enum
2218 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
2219 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
2221 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2223 * Makefile.in (integrate.o): Add debug.h.
2224 * integrate.c (debug.h): Add.
2225 (output_inline_function): Save, reset, and restore debug_hooks.
2227 2001-07-15 Richard Henderson <rth@redhat.com>
2229 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
2230 instead of COMPARE for the EQUIV expression.
2232 2001-07-15 Richard Henderson <rth@redhat.com>
2234 * flow.c (redirect_edge_and_branch_force): Initialize
2235 global_live_at_start and global_live_at_end.
2236 (allocate_bb_life_data): Export.
2237 * basic-block.h (allocate_bb_life_data): Declare.
2238 * toplev.c (rest_of_compilation): Call it.
2240 2001-07-15 Richard Henderson <rth@redhat.com>
2242 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
2243 (alpha_tablejump_best_label): New.
2244 * config/alpha/alpha-protos.h: Declare them.
2245 * config/alpha/alpha.md: Use braced strings for code blocks.
2246 (tablejump_osf): Break out add with r29.
2247 (tablejump_osf_internal): Remove.
2248 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
2249 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
2251 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2253 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
2256 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
2258 * i386-protos.h (ix86_split_fp_branch): Update prototype.
2259 (ix86_fp_jump_nontrivial_p): New.
2260 * i386.md (fp_jcc_?): Update call of split_fp_branch;
2261 use ix86_fp_jump_nontrivial_p.
2262 * i386.c (ix86_fp_jump_nontrivial_p): New.
2263 (ix86_split_fp_branch): Accept code instead of rtx.
2264 (ix86_expand_compare): Expand comparison early in case
2265 doing so is resonably cheap.
2267 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
2269 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
2271 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
2272 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
2274 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
2276 * dbxout.c (dbxout_source_line): Make static, update prototype.
2277 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
2278 (dbxout_init, dbxout_finish, dbxout_source_line,
2279 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
2280 * dbxout.h (dbxout_source_line): Delete.
2281 * debug.c (debug_nothing_file, debug_nothing_file_int,
2282 debug_nothing_file_charstar_rtx): New.
2283 (do_nothing_debug_hooks): Update.
2284 (debug_nothing_void, debug_nothing_charstar_rtx,
2285 dwarf2out_end_epilogue): New.
2286 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2287 * debug.h (struct rtx_def): Declare.
2288 (gcc_debug_hooks): New hooks source_line, end_epilogue
2290 (debug_nothing_void, debug_nothing_charstar_rtx,
2291 dwarf2out_end_epilogue): New.
2292 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
2293 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
2294 (dwarf2_debug_hooks): Update.
2295 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
2296 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
2297 * dwarf2out.h (dwarf2out_source_line): Remove.
2298 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
2299 Make static, update prototype.
2300 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
2301 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
2302 (dwarf_debug_hooks): Update.
2303 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
2304 dwarfout_end_function): Remove.
2305 * final.c (profile_function): Use debug hooks for ending functions
2307 (output_source_line, final_end_function): Update prototype,
2309 (final_start_function, final_scan_insn): Update.
2310 * output.h (sdb_begin_function_line): Remove.
2311 (final_end_function): Update prototype.
2312 * sdbout.c (sdb_begin_function_line): Make static.
2313 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
2314 (sdbout_source_line): New.
2315 (sdbout_end_epilogue, sdbout_end_function): Make static, update
2317 (sdb_debug_hooks): Update.
2318 (sdbout_init, sdbout_source_line,
2319 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
2320 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
2321 * toplev.c (compile_file, rest_of_compilation): Update.
2322 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
2323 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
2324 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
2325 Update for prototype changes.
2326 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
2327 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
2329 2001-07-15 Richard Henderson <rth@redhat.com>
2331 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
2332 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
2333 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
2334 * config/alpha/alpha.c: Likewise.
2335 * config/alpha/alpha.md: Likewise.
2336 * config/alpha/alpha32.h: Likewise.
2337 * config/alpha/vms.h: Likewise.
2340 2001-07-14 Richard Henderson <rth@redhat.com>
2342 * config/alpha/alpha.md: Use define_constants for unspec values.
2343 Substitute throughout.
2345 2001-07-14 Tim Josling <tej@melbpc.org.au>
2347 * tree.def (EXPON_EXPR) remove. Never supported anyway.
2349 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
2351 * pa.md: Remove unused constraints from define_split's.
2353 2001-04-14 Richard Henderson <rth@redhat.com>
2355 * ifcvt.c (find_cond_trap): Test for exit block.
2357 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
2359 Re-install recently reverted patch.
2360 * emit-rtl.c (try_split): Update mark_jump_label call.
2361 * flow.c (find_sub_basic_blocks): Likewise.
2362 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2364 (mark_all_labels): Kill second parameter.
2365 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2366 (rebuild_jump_labels, jump_optimize_minimal): Update call
2368 (jump_optimize_1): Kill crossjumping code.
2369 (mark_jump_label): Kill cross_jump parameter.
2370 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2371 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2372 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2374 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2376 (dump_file_info): Likewise.
2377 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2378 reorganize passes to do reg-stack first, bb-reorder second.
2379 * invoke.texi (-d letters doc): Remove the jump2 pass.
2381 2001-07-14 Richard Henderson <rth@redhat.com>
2383 * ifcvt.c (find_cond_trap): New.
2384 (find_if_header): Call it.
2385 (merge_if_block): Relax existing jump sanity check.
2386 * jump.c (jump_optimize_1): Remove conditional trap handling.
2388 2001-07-14 Alan Modra <amodra@bigpond.net.au>
2390 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
2392 (insn_refs_are_delayed): Correct comment.
2393 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
2394 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
2395 instead of r31. Make associated insn !TARGET_64BIT, and
2396 provide an additional 64-bit insn that clobbers r2.
2398 (udivsi3): Likewise.
2400 (umodsi3): Likewise.
2402 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
2404 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
2406 * flow.c (redirect_edge_and_branch_force, split_edge,
2407 try_crossjump_to_edge): Use set_block_for_new_insns.
2408 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
2410 2001-07-13 H.J. Lu (hjl@gnu.org)
2412 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
2415 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2417 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
2419 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
2421 * c-common.c (decl_attributes): Take a pointer to the node to
2422 which attributes are to be attached, and a flags argument.
2423 * c-common.h (enum attribute_flags): New.
2424 (decl_attributes): Update prototype.
2425 * c-decl.c (start_decl, push_parm_decl, finish_struct,
2426 finish_enum, start_function): Update calls to decl_attributes.
2427 * c-parse.in (component_declarator, component_notype_declarator,
2428 label): Update calls to decl_attributes.
2430 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
2432 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
2433 * config/avr/avr.c (legitimate_address_p): Return value changed
2434 from letter to register classes. For better debugging.
2436 2001-07-13 Kazu Hirata <kazu@hxi.com>
2438 * jump.c (reversed_comparison_code_parts): Fix comment typos.
2440 2001-07-13 H.J. Lu (hjl@gnu.org)
2442 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
2444 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
2446 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
2447 correctly for shared configurations.
2448 * config/t-libgcc-pic: New.
2449 * config/{i386,m68k,sparc}/t-openbsd: New.
2450 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
2451 Support -shared. Support debugging libraries with -g.
2452 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
2453 frame information does not emit pointer diffs.
2454 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
2457 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
2459 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
2461 2001-07-13 David Edelsohn <edelsohn@gnu.org>
2463 * combine.c (try_combine): Ensure const_int pow2 is positive.
2465 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
2467 * config.gcc: Add configuration for s/390.
2468 * config/s390/s390.c: New. Subroutines for code generation.
2469 * config/s390/s390.h: New. Definitions for s/390.
2470 * config/s390/s390-protos.h: New. Prototypes.
2471 * config/s390/linux.h: New. Definitions for linux for s/390.
2472 * config/s390/linux64.h: New. Definitions for linux for zSeries.
2473 * config/s390/t-linux: New. Makefile fragment.
2474 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
2475 * config/s390/fixdfdi.h: New. Fix L_fix*di.
2477 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2479 * emit-rtl.c (try_split): Update mark_jump_label call.
2480 * flow.c (find_sub_basic_blocks): Likewise.
2481 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
2483 (mark_all_labels): Kill second parameter.
2484 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
2485 (rebuild_jump_labels, jump_optimize_minimal): Update call
2487 (jump_optimize_1): Kill crossjumping code.
2488 (mark_jump_label): Kill cross_jump parameter.
2489 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
2490 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
2491 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
2493 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
2495 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
2496 reorganize passes to do reg-stack first, bb-reorder second.
2497 * invoke.texi (-d letters doc): Remove the jump2 pass.
2499 2001-07-12 Steve Ellcey <sje@cup.hp.com>
2501 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
2503 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2505 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
2507 (verify_flow_info): Make diagnostics prettier.
2509 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2511 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
2513 * flow.c (outgoing_edges_match): Return early if condition reversal
2516 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
2518 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
2519 (mips_move_2words): When splitting a move into two instructions,
2520 prefix the second address operand with '%D'.
2522 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
2524 * Makefile.in (final.o): Depend on debug.h.
2525 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
2526 (dbx_debug_hooks): Add new hooks.
2527 (xcoff_debug_hooks): New.
2528 * debug.c (debug_nothing_file_int_int): New.
2529 (do_nothing_debug_hooks): Update.
2530 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
2531 (debug_nothing_file_int_int): New.
2532 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
2533 static, update prototype.
2534 (dwarf2_debug_hooks): Update.
2535 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
2536 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
2537 static, update prototype.
2538 (dwarf_debug_hooks): Update.
2539 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
2540 * final.c: Include debug.h.
2541 (final_scan_insn): Use debug hooks when beginning and ending blocks.
2542 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
2543 static, update prototype.
2544 (sdb_debug_hooks): Update.
2545 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
2546 * toplev.c: Distinguish between xcoff and dbx.
2548 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
2549 Call all debug hooks, not just dwarf ones.
2551 2001-07-11 Timothy Wall <twall@redhat.com>
2553 * config.gcc: Add configuration for AIX5/IA64.
2554 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
2555 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
2556 support prefix/suffix code.
2557 * config/ia64/t-aix: New. Makefile fragment.
2558 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
2560 2001-07-11 Kazu Hirata <kazu@hxi.com>
2562 * recog.c (validate_change): Fix a comment typo.
2564 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
2566 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
2567 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
2569 * dbxout.c (dbx_debug_hooks): Add new hooks.
2570 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
2572 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
2574 * dbxout.h (dbxout_start_new_source_file,
2575 dbxout_resume_previous_source_file): Delete.
2576 * debug.c (do_nothing_debug_hooks): Add new hooks.
2577 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2578 (debug_nothing_int_charstar, debug_nothing_int): New.
2579 * debug.h (gcc_debug_hooks): New hooks define, undef,
2580 start_source_file and end_source_file.
2581 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
2582 (debug_nothing_int_charstar, debug_nothing_int): New.
2583 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
2584 the conditionally compiled section.
2585 (dwarf2out_start_source_file, dwarf2out_end_source_file,
2586 dwarf2out_define, dwarf2out_undef): Make static.
2587 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
2588 dwarf2out_define, dwarf2out_undef): Remove.
2589 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
2590 (dwarfout_start_source_file, dwarfout_end_source_file,
2591 dwarfout_define, dwarfout_undef): Make static.
2592 (dwarfout_start_source_file_check,
2593 dwarfout_end_source_file_check): New.
2594 (dwarfout_define, dwarfout_finish): Update.
2595 * dwarfout.h (dwarfout_start_new_source_file,
2596 dwarfout_resume_previous_source_file, dwarfout_define,
2597 dwarfout_undef): Remove.
2598 * sdbout.c (sdb_debug_hooks): Add new hooks.
2599 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
2601 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
2602 make static, take an arg.
2603 * sdbout.h (sdbout_start_new_source_file,
2604 sdbout_resume_previous_source_file): Delete.
2605 * toplev.c (debug_start_source_file, debug_end_source_file,
2606 debug_define, debug_undef): Delete.
2607 * toplev.h (debug_start_source_file, debug_end_source_file,
2608 debug_define, debug_undef): Delete.
2610 * java/jcf-parse.c: Include debug.h.
2611 (parse_class_file): Update to use debug hooks directly.
2612 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
2614 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * alias.c (set_mem_alias_set): New function.
2617 * rtl.h (set_mem_alias_set): Declare it.
2618 * builtins.c (expand_builtin_return_addr): Call it instead of
2619 using MEM_ALIAS_SET accessor.
2620 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
2621 (get_memory_rtx, expand_builtin_va_arg): Likewise.
2622 (expand_builtin_va_copy):Likewise.
2623 * caller-save.c (setup_save_areas): Likewise.
2624 * calls.c (compute_argument_addresses): Likewise.
2625 * explow.c (set_mem_attributes): Likewise.
2626 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
2627 (expand_assignment, store_constructor_field, store_field): Likewise.
2628 (expand_expr_unaligned): Likewise.
2629 * function.c (assign_stack_temp_for_type): Likewise.
2630 (put_reg_into_stack, gen_mem_addressof): Likewise.
2631 * ifcvt.c (noce_try_cmove_arith): Likewise.
2632 * reload1.c (reload, alter_reg): Likewise.
2633 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2634 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
2635 (alpha_expand_unaligned_store): Likewise
2636 (alpha_expand_unaligned_load_words): Likewise.
2637 (alpha_expand_unaligned_store_words): Likewise.
2638 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
2639 (alpha_expand_epilogue): Likewise.
2640 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
2641 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
2642 * config/i386/i386.c (legitimize_pic_address): Likewise.
2643 * config/i960/i960.c (setup_incoming_varargs): Likewise.
2644 * config/ia64/ia64.c (spill_restore_mem): Likewise.
2645 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
2646 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
2647 * config/mips/mips.c (mips_va_arg): Likewise.
2648 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
2649 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
2650 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2651 (setup_incoming_varargs, rs6000_va_arg): Likewise.
2652 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
2653 (rs6000_emit_epilogue): Likewise.
2654 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
2655 * config/sparc/sparc.c (sparc_va_arg): Likewise.
2656 * config/v850/v850.c (v850_va_arg): Likewise.
2658 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2660 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
2661 when fallthru edge is present.
2662 (mege_blocks): Handle case where creation of jump insn
2665 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
2666 CLEANUP_POST_REGSTACK): New constants.
2667 * except.c (finish_eh_generation): Update call of cleanup_cfg,
2668 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
2669 * output.h (cleanup_cfg): Update prototype.
2670 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
2671 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
2672 cleanup_cfg call; kill missleading comment.
2673 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
2674 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
2675 parameter; control optimizations performed using it.
2676 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2677 try_crossjump_bb): New functions.
2679 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2681 * pa.c (pa_output_function_prologue): Delete prototype. Make function
2683 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
2684 pa_output_function_prologue.
2685 * pa-protos.h (pa_output_function_prologue): New prototype.
2687 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
2689 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
2690 and low to get correct sign extension in low+high test.
2692 2001-07-11 Janis Johnson <janis@us.ibm.com>
2694 * gcov.c (arcdata): Use gcov_type to fix branch percentage
2695 for large hit count.
2697 * profile.c (branch_prob): Fix .bbg info for computed gotos
2700 2001-07-11 Mark Mitchell <mark@codesourcery.com>
2702 * stmt.c (parse_output_constraint): New function, split out
2704 (expand_asm_operands): ... here. Use parse_output_constraint.
2705 * tree.h (parse_output_constraint): Declare it.
2707 2001-07-11 Richard Henderson <rth@redhat.com>
2709 * bitmap.c: Comment some functions; fiddle whitespace.
2710 (bitmap_free): Don't export.
2711 (bitmap_element_allocate): Use memset.
2712 * bitmap.h (bitmap_free): Don't declare.
2714 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
2716 * gcse.c, lcm.c, sched-deps.c:
2717 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
2719 * flow.c (flow_loops_find): Free dom if we found no loops, since
2720 we aren't going to save it.
2722 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
2725 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
2727 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
2729 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2731 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
2732 #ifndef DWARF2_DEBUGGING_INFO.
2734 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2736 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
2738 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2740 * config/mips/mips.c (gen_int_relational): Tell the caller not to
2741 reverse a branch if a NE comparison is implemented with GTU.
2743 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
2744 H.J. Lu <hjl@gnu.org>
2746 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
2748 (call_internal2): Likewise.
2749 (call_value_internal1): Likewise.
2750 (call_value_internal2): Likewise.
2751 (call_value_multiple_internal1): Likewise.
2752 (call_value_multiple_internal2): Likewise.
2754 2001-07-10 Kazu Hirata <kazu@hxi.com>
2756 * calls.c (emit_library_call_value_1): Fix a comment typo.
2757 * dwarf2out.c (mem_loc_descriptor): Likewise.
2758 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
2760 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
2762 * simplify-rtx.c (simplify_subreg): Fix typo in comment
2764 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2766 * recog.c (offsettable_address_p): Handle LO_SUM case.
2767 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
2768 instead of plus_constant.
2770 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2772 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
2773 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
2775 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2777 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
2778 adjust_address_nv instead of plus_constant.
2780 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
2782 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
2783 dwarf2out.o): Depend on debug.h, wrap long lines.
2784 * dbxout.c: Include debug.h.
2785 (dbx_debug_hooks): New.
2786 (dbxout_init): Make static, take just 2 args.
2787 (dbxout_finish): Make static.
2788 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2789 * debug.c: New file.
2790 * debug.h: New file.
2791 * dwarf2out.c: Include debug.h.
2792 (dwarf2_debug_hooks): New.
2793 (dwarf2out_init): Make static.
2794 (dwarf2out_finish): Make static, take 2 args.
2795 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2796 * dwarfout.c: Include debug.h.
2797 (dwarf_debug_hooks): New.
2798 (dwarfout_init): Make static.
2799 (dwarfout_finish): Make static, take 2 args.
2800 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2801 * sdbout.c: Include debug.h.
2802 (sdb_debug_hooks): New.
2803 (sdbout_init): Make static, take 2 args.
2804 * sdbout.h (sdbout_init): Delete.
2805 * toplev.c: Include debug.h.
2807 (compile_file): Set deubg_hooks based on command line options.
2808 Use the hooks unconditionally rather than conditional compilation.
2810 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2812 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2813 first_insn_after_basic_block_note instead.
2815 * df.c (df_bb_refs_unlink): #if 0 out for now.
2817 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2819 * ssa.h: Add prototype for ssa_const_prop
2820 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2821 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2822 (ssa_fast_dce): Remove unused variable
2824 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2826 * diagnostic.c (finish_diagnostic): Rename to
2827 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2830 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2832 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2835 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2836 (dump_file): Only pad the demangled name with spaces if the
2837 mangled name was padded with spaces.
2839 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2841 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2844 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2846 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2847 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2850 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2851 whether can put offset inside LO_SUM to check mode alignment, not size.
2853 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2855 * doc/tm.texi (Misc): Fix thinko.
2857 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2859 * regmove.c (replace_in_call_usage): Fix warnings.
2860 * sched-deps.c (add_dependence): Fix warnings.
2861 * simplify-rtx.c (simplify_subreg): Likewise.
2862 Return NULL_RTX instead of NULL.
2864 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2865 (subst_asm_stack_regs): Likewise.
2867 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2870 * dwarf2out.c (output_call_frame_info): Declare i as int.
2871 (build_abbrev_table): Declare n_alloc as int.
2872 (dwarf2out_finish): Initialize die.
2873 * except.c: Declare sjlj_funcdef_number as unsigned.
2874 (connect_post_landing_pads): Declare j as unsigned.
2875 (convert_to_eh_region_ranges): Initialize call_site.
2876 (output_function_exception_table): Initialize tt_format_size.
2877 * expr.c (move_by_pieces_1): Initialize to1.
2878 (store_constructor): Initialize minelt and maxelt.
2879 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2880 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2882 * c-decl.c (combine_parm_decls): Unused, remove.
2883 * c-tree.h: Remove prototype for combine_parm_decls.
2885 * reload.c (push_reload): Fix warning.
2886 (regno_clobbered_p): Likewise.
2887 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2888 (reload_combine): Likewise.
2890 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2891 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2893 * bitmap.c (bitmap_operation): Change user.
2894 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2896 2001-07-10 Eric Christopher <echristo@redhat.com>
2898 * config/mips/mips.c (override_options): Fix typo.
2900 2001-07-09 Stan Shebs <shebs@apple.com>
2902 * target.h (struct gcc_target): New fields init_builtins and
2904 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2905 (TARGET_EXPAND_BUILTIN): New macro.
2906 (TARGET_INITIALIZER): Add them.
2907 * builtins.c: Include target.h.
2908 (expand_builtin): Use targetm.expand_builtin.
2909 (default_init_builtins): New function.
2910 (default_expand_builtin): New function.
2911 * expr.h (default_init_builtins): Declare.
2912 (default_expand_builtin): Declare.
2913 * c-common.c (c_common_nodes_and_builtins): Use
2914 targetm.init_builtins.
2915 * defaults.h (MD_INIT_BUILTINS): Remove.
2916 * Makefile.in (builtins.o): Depend on target.h.
2918 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2919 (TARGET_EXPAND_BUILTIN): Define.
2920 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2921 (MD_EXPAND_BUILTIN): Remove.
2923 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2924 (TARGET_EXPAND_BUILTIN): Define.
2925 (c4x_init_builtins): Make endlink arg a local.
2926 (c4x_print_operand): Fix typos in adjust_address usages.
2927 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2928 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2929 (MD_EXPAND_BUILTIN): Remove.
2931 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2932 (TARGET_EXPAND_BUILTIN): Define.
2933 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2934 (ix86_init_builtins): Call new function only if TARGET_MMX.
2935 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2936 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2937 (MD_EXPAND_BUILTIN): Remove.
2939 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2940 (TARGET_EXPAND_BUILTIN): Define.
2941 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2942 (MD_EXPAND_BUILTIN): Remove.
2944 * doc/tm.texi: Document these changes.
2946 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2948 * basic-block.h (tree_node): Forward declare if needed.
2949 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2950 (BLOCK_HEAD_TREE): Define.
2951 (BLOCK_END_TREE): Define.
2952 (struct loops): Rename field 'tree' to 'tree_root'.
2953 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2955 (flow_loops_tree_build): Rename reference to field 'tree' to
2957 (flow_loops_level_compute): Ditto.
2958 * predict.c (estimate_bb_frequencies): Ditto.
2959 * tree.h (struct tree_common): Add field 'aux'.
2961 2001-07-09 Stan Shebs <shebs@apple.com>
2963 * config/darwin.c (darwin_encode_section_info): Don't mark any
2964 DECL_EXTERNAL node as defined.
2966 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2968 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2969 pa_free_machine_status, hppa_init_pic_save): Delete.
2970 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2971 (hppa_profile_hook): Use hppa_pic_save_rtx.
2972 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2973 hppa_init_pic_save): Delete.
2974 (hppa_pic_save_rtx): Declare.
2975 * pa.md (call, call_value, sibcall, sibcall_value,
2976 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2978 2001-07-09 Kazu Hirata <kazu@hxi.com>
2980 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2981 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2983 2001-07-09 Andreas Jaeger <aj@suse.de>
2985 * output.h: Add declaration of final_forward_branch_p.
2987 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2989 * varray.c: Include errors.h for internal_error and trim_filename
2992 * Makefile.in (varray.o): Add errors.h.
2994 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2996 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2997 * optabs.c (have_add2_insn): Check whether the add insn chosen
2998 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2999 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
3001 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
3003 * Makefile.in (OBJS): Add ssa-ccp.o
3004 (ssa-ccp.o): Add dependencies.
3005 * toplev.c (DFI_ssa_ccp): New dump file enum.
3006 (dump_file): Add entry for dumping after SSA CCP.
3007 (flag_ssa_ccp): New flag variable.
3008 (f_options): Add -fssa-ccp.
3009 (rest_of_compilation): Run SSA CCP if requested.
3010 * timevar.def (TV_SSA_CCP): New timevar.
3011 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
3012 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
3013 Fix minor typo in SSA DCE documentation.
3014 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
3015 Add documentation for new dump option. Renumber dump files
3018 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3020 * emit-rtl.c (gen_highpart_mode): New.
3021 * rtl.h (gen_highpart_mode): Declare.
3022 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
3023 operand can be VOIDmode constant.
3025 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3027 * flow.c (redirect_edge_and_branch_force): New.
3028 (can_fallthru): Ensure that basic blocks are succeeding.
3029 (try_optimize_cfg): Do not delete basic block if it is the last one.
3031 * flow.c (try_redirect_by_replacing_jump): Do not remove
3032 jumps with side effects, unlink chain on fallthru edge;
3033 set block for new jump instruction; avoid basic block to
3034 over by line number note.
3036 * flow.c (try_simplify_condjump): Verify that the condjump
3037 is not always falling trought.
3040 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3042 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3043 (try_redirect_by_replacing_jump): Update properly the count
3044 and frequency information.
3046 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3048 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
3049 address that is a LO_SUM specially.
3050 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
3052 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
3054 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
3055 (operand_subword): Use them.
3056 (change_address_1): Renamed from change_address; new arg VALIDATE.
3057 * expr.h: Reflect above changes; change_address now macro.
3058 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
3060 * cselib.c (add_mem_for_addr): Likewise.
3061 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3062 * regmove.c (try_apply_stack_adjustment): Likewise.
3063 * reload.c (push_reload, make_memloc): Likewise.
3064 * reload1.c (eliminate_regs): Likewise.
3065 * simplify-rtx.c (simplify_replace_rtx): Likewise.
3066 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
3068 * combine.c (make_extraction, simplify_shift_const): Likewise.
3069 (gen_lowpart_for_combine): Likewise.
3070 * cse.c (gen_lowpart_if_possible): Likewise.
3071 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3072 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
3073 * optabs.c (gen_move_insn): Likewise.
3074 * reload1.c (alter_reg): Likewise.
3075 * simplify-rtx.c (simplify_subreg): Likewise.
3076 * stmt.c (expand_anon_union_decl): Likewise.
3077 * recog.c (validate_replace_rtx_1): Likewise.
3079 * Makefile.in (recog.o): Add $(EXPR_H).
3080 * explow.c (stabilize): Call replace_equiv_address.
3081 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
3082 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
3084 2001-07-03 Andrew Haley <aph@redhat.com>
3086 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
3087 the mode of the memory location.
3089 2001-07-09 Bo Thorsen <bo@suse.co.uk>
3091 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
3093 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
3095 * final.c (output_addr_const): Use target opening and
3096 closing parentheses.
3097 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
3098 defaults, add to TARGET_ASM_OUT.
3099 * target.h (struct gcc_target): Add open_paren and close_paren.
3100 * doc/md.texi: Update.
3101 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
3102 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
3103 TARGET_ASM_CLOSE_PAREN.
3104 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3106 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
3108 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
3109 * config/a29k/a29k.h: Similarly.
3110 * config/alpha/alpha.h: Similarly.
3111 * config/arc/arc.h: Similarly.
3112 * config/arm/aof.h: Similarly.
3113 * config/arm/aout.h: Similarly.
3114 * config/avr/avr.h: Similarly.
3115 * config/c4x/c4x.h: Similarly.
3116 * config/clipper/clipper.h: Similarly.
3117 * config/convex/convex.h: Similarly.
3118 * config/d30v/d30v.h: Similarly.
3119 * config/dsp16xx/dsp16xx.h: Similarly.
3120 * config/elxsi/elxsi.h: Similarly.
3121 * config/fr30/fr30.h: Similarly.
3122 * config/h8300/h8300.h: Similarly.
3123 * config/i370/i370.h: Similarly.
3124 * config/i386/i386.h: Similarly.
3125 * config/i860/i860.h: Similarly.
3126 * config/i960/i960.h: Similarly.
3127 * config/ia64/ia64.h: Similarly.
3128 * config/m32r/m32r.h: Similarly.
3129 * config/m68hc11/m68hc11.h: Similarly.
3130 * config/m68k/m68k.h: Similarly.
3131 * config/m88k/m88k.h: Similarly.
3132 * config/mcore/mcore.h: Similarly.
3133 * config/mips/mips.h: Similarly.
3134 * config/mn10200/mn10200.h: Similarly.
3135 * config/mn10300/mn10300.h: Similarly.
3136 * config/ns32k/ns32k.h: Similarly.
3137 * config/pa/pa.h: Similarly.
3138 * config/pdp11/pdp11.h: Similarly.
3139 * config/pj/pj.h: Similarly.
3140 * config/romp/romp.h: Similarly.
3141 * config/rs6000/rs6000.h: Similarly.
3142 * config/sh/sh.h: Similarly.
3143 * config/sparc/sparc.h: Similarly.
3144 * config/v850/v850.h: Similarly.
3145 * config/vax/vax.h: Similarly.
3146 * config/we32k/we32k.h: Similarly.
3148 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
3150 * doc/c-tree.texi: Document representation of attributes.
3152 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3154 * doc/tm.texi: Update some places for the rename of target to
3157 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3159 * target.h (struct gcc_target): Add insert_attributes.
3160 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
3161 (TARGET_INITIALIZER): Update.
3162 * tree.c, tree.h (default_insert_attributes): New function.
3163 Update comments on other default functions to refer to targetm,
3165 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
3166 TARGET_INSERT_ATTRIBUTES.
3167 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
3168 * c-common.c (decl_attributes): Use targetm.insert_attributes.
3169 Don't use PRAGMA_INSERT_ATTRIBUTES.
3170 * Makefile.in (c-common.o): Depend on $(TARGET_H).
3171 * c-decl.c (start_decl, start_function): Don't call
3172 SET_DEFAULT_DECL_ATTRIBUTES.
3173 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3174 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
3176 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
3177 (c4x_check_attribute): Avoid modifying attribute list itself.
3178 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
3180 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
3181 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
3183 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
3184 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
3186 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
3187 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
3189 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
3190 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
3191 Adjust parameters. Make static.
3193 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
3195 * c-common.c (decl_attributes): Only take a single attributes
3197 * c-common.h (decl_attributes): Update prototype.
3198 * c-decl.c (start_decl, start_function): Only take a single
3199 attributes parameter. Update calls to decl_attributes.
3200 (finish_struct, finish_enum): Update calls to decl_attributes.
3201 (push_parm_decl): Expect unified list of attributes. Update call
3203 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
3204 notype_nested_function, component_declarator,
3205 component_notype_declarator, label): Update calls to
3207 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
3208 lists that are passed to push_parm_decl.
3209 * c-tree.h (start_function, start_decl): Update prototypes.
3210 * config/sh/sh-protos.h, config/sh/sh.c
3211 (sh_pragma_insert_attributes): Only take a single attributes
3213 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
3214 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
3215 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
3216 build_module_descriptor, generate_static_references,
3217 generate_strings, build_selector_translation_table,
3218 generate_descriptor_table, generate_protocols,
3219 generate_ivars_list, generate_dispatch_table,
3220 generate_protocol_list, generate_category,
3221 generate_shared_structures, really_start_method, add_objc_decls,
3222 generate_classref_translation_entry): Update calls to start_decl
3224 (build_tmp_function_decl, start_method_def): Unify attribute lists
3225 that are passed to push_parm_decl.
3227 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
3229 * final.c (no_asm_to_stream): New.
3230 (final_scan_insn): Use target structures for prologue ends
3231 and epilogue starts.
3232 * output.h (no_asm_to_stream): New.
3233 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
3234 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
3235 (TARGET_ASM_OUT): Update.
3236 * target.h (struct gcc_target): New members function_end_prologue
3237 and function_begin_epilogue.
3238 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
3239 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
3240 * config/alpha/alpha.c (output_end_prologue): Rename to
3241 alpha_output_function_end_prologue. Use in target struct
3243 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
3244 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
3245 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
3246 ia64_output_function_end_prologue. Use in target struct
3248 (ia64_function_prologue, ia64_funciton_epilogue): Rename
3249 mistyped prototypes.
3250 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
3251 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
3253 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
3254 an use in target struct, make static.
3255 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
3258 2001-07-08 Richard Henderson <rth@redhat.com>
3260 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
3262 2001-07-08 Richard Henderson <rth@redhat.com>
3264 * config/i386/i386.md: Remove constraints strings from define_split
3265 and define_peephole2 patterns.
3266 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
3267 (eh_return): Use them.
3269 2001-07-08 Richard Henderson <rth@redhat.com>
3271 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
3272 Document MD_FALLBACK_FRAME_STATE_FOR.
3274 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3276 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
3277 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
3279 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
3281 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
3283 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
3284 of the label inside NAME as opposed to just the end of NAME.
3286 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
3288 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
3289 * config/alpha/alpha.c (alpha_init_machine_status,
3290 alpha_mark_machine_status, alpha_free_machine_status): Delete.
3291 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
3292 (vms_valid_decl_attribute_p): Make static, conditionally compile.
3293 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
3295 2001-07-06 Stan Shebs <shebs@apple.com>
3297 * target.h (targetm): Rename global from "target", so as not to
3298 conflict with local variables.
3300 * c-typeck.c: Ditto.
3304 * cp/decl2.c: Ditto.
3305 * cp/typeck.c: Ditto.
3306 * 1750a/1750a.c: Ditto.
3307 * a29k/a29k.c: Ditto.
3311 * clipper/clipper.c: Ditto.
3312 * convex/convex.c: Ditto.
3313 * d30v/d30v.c: Ditto.
3314 * dsp16xx/dsp16xx.c: Ditto.
3315 * elxsi/elxsi.c: Ditto.
3316 * fr30/fr30.c: Ditto.
3317 * h8300/h8300.c: Ditto.
3318 * i370/i370.c: Ditto.
3319 * i386/i386.c: Ditto.
3320 * i860/i860.c: Ditto.
3321 * i960/i960.c: Ditto.
3322 * ia64/ia64.c: Ditto.
3323 * m32r/m32r.c: Ditto.
3324 * m68hc11/m68hc11.c: Ditto.
3325 * m68k/m68k.c: Ditto.
3326 * m88k/m88k.c: Ditto.
3327 * mips/mips.c: Ditto.
3328 * ns32k/ns32k.c: Ditto.
3330 * pdp11/pdp11.c: Ditto.
3331 * romp/romp.c: Ditto.
3332 * rs6000/rs6000.c: Ditto.
3334 * sparc/sparc.c: Ditto.
3336 * we32k/we32k.c: Ditto.
3337 * doc/tm.texi: Update the manual to match.
3339 2001-07-06 Richard Henderson <rth@redhat.com>
3341 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
3342 DWARF2_UNWIND_INFO not just whether it is defined.
3344 2001-07-06 Diego Novillo <dnovillo@redhat.com>
3346 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
3347 call to simplify_binary_operation returns a new pattern.
3349 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3351 * glimits.h (__SHRT_MAX__): New.
3352 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
3353 (SHRT_MAX): Define in terms of __SHRT_MAX__.
3355 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
3357 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
3360 2001-07-06 Richard Henderson <rth@redhat.com>
3362 * bitmap.c (bitmap_release_memory): Move adjacent to the
3363 allocation functions.
3364 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
3365 the implementation. Binary search for the set bit.
3366 (bitmap_union_of_diff): Allocate the temporary on the stack
3367 instead of using xmalloc.
3369 2001-07-06 Richard Henderson <rth@redhat.com>
3371 * genrecog.c (validate_pattern): Warn for constraints in
3372 define_{expand,split,peephole2}. Remove strict_low_part
3373 before looking up match_dup.
3375 2001-07-06 DJ Delorie <dj@redhat.com>
3377 * doc/gcc.texi (Makefile): Rename to be a more general purpose
3378 chapter about various build hints and history. Add section
3379 talking about the various types of native and cross builds.
3381 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
3383 * Makefile.in (final.o): Depend on target.h.
3384 * final.c: Include target.h.
3385 (default_function_pro_epilogue): New.
3386 (final_start_function): Use target structure for function prologues.
3387 (final_end_function): Use target structure for function epilogues.
3388 * fold-const.c (real_hex_to_f): Constify s and p.
3389 * output.h (default_function_pro_epilogue): New.
3390 * real.h (real_hex_to_f): Update prototype.
3391 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
3392 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
3393 (TARGET_INITIALIZER): Update.
3394 * target.h (gcc_target): Add struct asm_out.
3395 * doc/tm.texi: Update.
3398 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
3399 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
3400 in cpu/cpu.c, or rename old functions consistently. Take
3401 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
3402 redundant macros and prototypes. Make new functions static.
3404 * 1750a/1750a.c: Similarly.
3405 * 1750a/1750a.h: Similarly.
3406 * a29k/a29k-protos.h: Similarly.
3407 * a29k/a29k.c: Similarly.
3408 * a29k/a29k.h: Similarly.
3409 * arc/arc-protos.h: Similarly.
3410 * arc/arc.c: Similarly.
3411 * arc/arc.h: Similarly.
3412 * arm/arm-protos.h: Similarly.
3413 * arm/arm.c: Similarly.
3414 * arm/arm.h: Similarly.
3415 * avr/avr-protos.h: Similarly.
3416 * avr/avr.c: Similarly.
3417 * avr/avr.h: Similarly.
3418 * clipper/clipper-protos.h: Similarly.
3419 * clipper/clipper.c: Similarly.
3420 * clipper/clipper.h: Similarly.
3421 * convex/convex.c: Similarly.
3422 * convex/convex.h: Similarly.
3423 * d30v/d30v-protos.h: Similarly.
3424 * d30v/d30v.c: Similarly.
3425 * d30v/d30v.h: Similarly.
3426 * d30v/d30v.md: Similarly.
3427 * dsp16xx/dsp16xx-protos.h: Similarly.
3428 * dsp16xx/dsp16xx.c: Similarly.
3429 * dsp16xx/dsp16xx.h: Similarly.
3430 * elxsi/elxsi.c: Similarly.
3431 * elxsi/elxsi.h: Similarly.
3432 * fr30/fr30.c: Similarly.
3433 * fr30/fr30.md: Similarly.
3434 * h8300/h8300-protos.h: Similarly.
3435 * h8300/h8300.c: Similarly.
3436 * h8300/h8300.h: Similarly.
3437 * i370/i370-protos.h: Similarly.
3438 * i370/i370.c: Similarly.
3439 * i370/i370.h: Similarly.
3440 * i386/i386.c: Similarly.
3441 * i386/osf1elf.h: Similarly.
3442 * i386/osfrose.h: Similarly.
3443 * i860/i860-protos.h: Similarly.
3444 * i860/i860.c: Similarly.
3445 * i860/i860.h: Similarly.
3446 * i960/i960-protos.h: Similarly.
3447 * i960/i960.c: Similarly.
3448 * i960/i960.h: Similarly.
3449 * ia64/ia64-protos.h: Similarly.
3450 * ia64/ia64.c: Similarly.
3451 * ia64/ia64.h: Similarly.
3452 * m32r/m32r-protos.h: Similarly.
3453 * m32r/m32r.c: Similarly.
3454 * m32r/m32r.h: Similarly.
3455 * m68hc11/m68hc11-protos.h: Similarly.
3456 * m68hc11/m68hc11.c: Similarly.
3457 * m68hc11/m68hc11.h: Similarly.
3458 * m68k/crds.h: Similarly.
3459 * m68k/dpx2.h: Similarly.
3460 * m68k/m68k-protos.h: Similarly.
3461 * m68k/m68k.c: Similarly.
3462 * m68k/m68k.h: Similarly.
3463 * m68k/news.h: Similarly.
3464 * m88k/m88k-protos.h: Similarly.
3465 * m88k/m88k.c: Similarly.
3466 * m88k/m88k.h: Similarly.
3467 * mips/mips-protos.h: Similarly.
3468 * mips/mips.c: Similarly.
3469 * mips/mips.h: Similarly.
3470 * ns32k/merlin.h: Similarly.
3471 * ns32k/ns32k.c: Similarly.
3472 * ns32k/ns32k.h: Similarly.
3473 * ns32k/tek6000.h: Similarly.
3474 * pa/pa-protos.h: Similarly.
3475 * pa/pa.c: Similarly.
3476 * pa/pa.h: Similarly.
3477 * pdp11/2bsd.h: Similarly.
3478 * pdp11/pdp11-protos.h: Similarly.
3479 * pdp11/pdp11.c: Similarly.
3480 * pdp11/pdp11.h: Similarly.
3481 * romp/romp-protos.h: Similarly.
3482 * romp/romp.c: Similarly.
3483 * romp/romp.h: Similarly.
3484 * rs6000/rs6000-protos.h: Similarly.
3485 * rs6000/rs6000.c: Similarly.
3486 * rs6000/rs6000.h: Similarly.
3487 * rs6000/sysv4.h: Similarly.
3488 * sh/sh-protos.h: Similarly.
3489 * sh/sh.c: Similarly.
3490 * sh/sh.h: Similarly.
3491 * sparc/sparc-protos.h: Similarly.
3492 * sparc/sparc.c: Similarly.
3493 * sparc/sparc.h: Similarly.
3494 * vax/vax.c: Similarly.
3495 * vax/vax.h: Similarly.
3496 * vax/vms.h: Similarly.
3497 * we32k/we32k.c: Similarly.
3498 * we32k/we32k.h: Similarly.
3500 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
3502 * basic-block.h (first_insn_after_basic_block_note): Declare.
3503 * flow.c (first_insn_after_basic_block_note): Define. Moved
3505 * ssa.c (first_insn_after_basic_block_note): Remove.
3506 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
3508 (ssa_eliminate_dead_code): Properly update the CFG and PHI
3509 nodes when we find a dead conditional branch. Insert BARRIERs
3510 after any blocks with no successors, but which do not have
3513 2001-07-06 Zack Weinberg <zackw@stanford.edu>
3515 * varray.c (varray_check_failed): Use internal_error.
3517 2001-07-05 Andrew Haley <aph@redhat.com>
3519 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
3520 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
3521 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
3523 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
3525 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
3526 reference if the target constant is also a SYMBOL_REF.
3528 2001-07-05 Eric Christopher <echristo@redhat.com>
3530 * config/mips/mips.h (MASK_MIPS3900): Remove.
3531 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
3532 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
3533 (TARGET_MIPS3900): Change to use mips_arch.
3534 (TARGET_MIPS4000): New.
3535 (TARGET_MIPS4100): New.
3536 (TARGET_MIPS4300): New.
3537 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
3538 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
3540 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
3541 (ISA_HAS_BRANCHLIKELY): To here.
3542 (CC1_CPU_SPEC): New.
3543 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
3544 (mips_arch_string): Declare.
3545 (mips_arch): Declare.
3546 (TARGET_OPTIONS): Add -march and -mtune.
3548 * config/mips/mips.c (mips_arch_string): New.
3550 (override_options): Handle -march for codegen and -mtune
3551 for scheduling. Use mips_arch. Move tx39 target default here.
3552 (mips_parse_cpu): Move error message to override_options.
3554 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
3556 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
3558 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
3559 (MIPS Options): Ditto. Change mcpu entry to historical text.
3561 2001-07-05 H.J. Lu (hjl@gnu.org)
3563 * config/mips/mips.c (mips_parse_cpu): New function to parse
3566 2001-07-05 Jim Wilson <wilson@redhat.com>
3568 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
3569 * config/ia64/t-ia64: Likewise.
3570 (LIB1ASMFUNCS): Update comment.
3572 2001-07-05 David Edelsohn <edelsohn@gnu.org>
3574 * doc/install.texi (Install GCC: Binaries): Fix typo.
3576 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3578 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
3579 reference using the stack pointer, adjust it since we push Y
3581 ("*ashrsi3"): Likewise.
3582 ("*lshrsi3"): Likewise.
3584 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3586 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
3587 when -fomit-frame-pointer is used.
3589 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
3591 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
3592 (try_redirect_by_replacing_jump): Reverse updating properly the
3593 count and frequency information. Reverse removing cc0 setter.
3594 (forwarder_block_p): Reverse fixing for fallthru blocks.
3596 2001-07-05 DJ Delorie <dj@redhat.com>
3598 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
3599 (translate_options): If the above is defined, use it to map
3600 given options to new options.
3601 * doc/tm.texi: Document it.
3603 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
3604 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3606 * doc/invoke.texi (Optimize Options): Document that -fgcse may
3607 cause programs using computed gotos to run more slowly.
3609 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3611 * doc/install.texi (Specific): Markup, spelling and typo fixes.
3613 Consistently require binutils 2.11.2, not prereleases.
3614 (Specific, decstation-*): Canonicalize as mips-dec-*.
3615 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
3617 (Specific, m68k-altos): Removed reference to README.altos, deleted.
3618 (Specific, mips-*): Reword MIPS C compiler requirements.
3619 (Specific, powerpc*-*-*): New, mention --with-cpu once.
3620 (Specific, sunv5): Removed, obsolete.
3622 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
3624 * dwarf2out.c (output_loc_list): Use an all ones mask for
3625 .text asm output and don't rely on long long
3626 literals. Reformat some long lines.
3628 2001-07-05 Andreas Jaeger <aj@suse.de>
3630 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
3633 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3635 * dwarf2out.c (dwarf2out_define): Update comment.
3636 (dwarf2out_undef): Ditto.
3637 (dwarf2out_start_source_file): Ditto.
3638 (dwarf2out_end_source_file): Ditto.
3639 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
3640 since we never call the start/end debug hook for the primary file.
3642 2001-07-04 Kazu Hirata <kazu@hxi.com>
3644 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
3647 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3649 * cppinit.c (remove_dup_dirs): Inform if a system include
3650 directory is being reordered.
3651 * doc/invoke.texi (Directory Options): GCC warns if you hide a
3653 * doc/cpp.texi (Search Paths): Likewise.
3654 * doc/gcc.texi (Interoperation): Remove information about
3657 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
3659 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
3660 (VARRAY_TOP_CHAR_PTR): Likewise.
3662 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3664 * gcc.c (process_command): Don't assign elements of a const char*.
3666 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3668 * emit-rtl.c (change_address): Don't abort if invalid address while
3669 reload is in progress.
3671 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3673 * c-lex.c (cb_file_change): Pass line number to
3674 debug_start_source_file.
3675 (cb_undefine): Pass correct line number to debug_undef.
3677 * toplev.c (debug_start_source_file): Add line number to
3678 parameters. Pass it along to dwarf2out_start_source_file.
3679 (decode_g_option): Stop resetting debug level back to normal when
3680 we change debug formats, unless the current level is
3681 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
3684 * toplev.h (debug_start_source_file): Add line number to
3687 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
3690 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
3692 Output debug_macinfo data for starting file if requested.
3693 (dwarf2out_end_source_file): Output debug_macinfo data for ending
3695 (dwarf2out_define): Output debug_macinfo data for defining a macro
3697 (dwarf2out_undef): Output debug_macinfo data for undefining a
3699 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
3700 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
3701 (macinfo_section_label): New. DWARF2 macro info section label.
3702 (dwarf2out_init): If we want macro info, output the start label
3704 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
3705 attribute to the compilation unit die pointing to the macro info.
3707 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
3709 * dwarf2out.c (new_loc_list): Move to inside #ifdef
3710 DWARF2_DEBUGGING_INFO.
3711 (add_loc_descr_to_loc_list): Ditto.
3712 (output_loc_list): Ditto.
3713 Also, fix thinko in curr not being initialized.
3714 (gen_internal_sym): Ditto.
3716 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3718 * emit-rtl.c (replace_equiv_address): New function.
3719 * expr.h (replace_equiv_address): New declaration.
3720 * explow.c (validize_mem): Call it instead of change_address and
3721 also call if -fforce-addr and address is constant.
3722 * expr.c: Replace more calls to change_address with adjust_address
3723 and/or replace_equiv_address or to validize_mem.
3724 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
3725 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
3726 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3727 * config/i370/i370.md, config/i860/i860.md: Likewise.
3728 * config/i960/i960.md, config/mips/mips.c: Likewise.
3729 * config/mips/mips.md, config/pa/pa.md: Likewise.
3730 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
3731 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
3733 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3735 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
3737 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
3740 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
3742 * doc/include: New directory.
3743 * doc/fdl.texi: Move to doc/include/fdl.texi.
3744 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
3745 * doc/include/funding.texi, doc/include/gpl.texi: New files.
3746 * doc/gcc.texi: Use funding.texi and gpl.texi.
3747 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
3748 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
3749 Update dependencies and use -I $(docdir)/include.
3751 2001-07-04 Anthony Green <green@redhat.com>
3753 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
3755 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3757 * doc/install.texi (sparc64-*-*): Remove garbage.
3759 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
3761 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
3762 Fix typo in last change to use adjust_address.
3764 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3766 * doc/install.texi (Specific): Update information for *-*-solaris*.
3768 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3770 * explow.c (plus_constant_wide): Reinitialize Y for restart.
3772 2001-07-03 Stan Shebs <shebs@apple.com>
3774 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
3775 case for flag_no_mach_text_sections.
3776 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
3777 * config/darwin.c (flag_no_mach_text_sections): Remove.
3778 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
3780 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3782 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
3783 and avoid checking for constant as first operand.
3784 * recog.c (find_constant_term_loc): No longer static.
3785 (adj_offettable_operand): Delete.
3786 * rtl.h (adj_offsettable_operand): Delete declaration.
3787 (find_constant_term): Add declaration.
3788 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3790 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3791 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3792 * config/i386/i386.c, config/i386/i386.md: Likewise.
3793 * config/i860/i860.c, config/i960/i960.c: Likewise.
3794 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3795 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3796 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3797 * config/mips/mips.c, config/mips/mips.md: Likewise.
3798 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3799 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3800 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3801 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3802 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3803 * config/ns32k/ns32k.md: Likewise.
3805 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3807 * rtl.c (copy_rtx): Handle 'T' format letter.
3808 * gensupport.c (collect_insn_data): Likewise.
3809 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3811 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3813 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3814 -B option. Use 'dir' not 'foo' as example directory name.
3816 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3818 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3819 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3821 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3823 * doc/cppinternals.texi: Improve formatting and logical markup.
3825 2001-07-03 Andreas Jaeger <aj@suse.de>
3827 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3829 * genrecog.c (write_header): Include reload.h for prototypes in
3832 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3835 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3836 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3837 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3838 i386_pe_valid_type_attribute_p): Add.
3839 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3840 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3842 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3844 * explow.c (plus_constant_wide, case LO_SUM): New case.
3845 (plus_constant_for_output_wide): Delete.
3846 * rtl.h (plus_constant_for_output): Delete.
3847 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3848 instead of plus_constant_for_output.
3849 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3850 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3851 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3852 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3853 * config/sparc/sparc.md: Likewise.
3854 Convert some change_address calls to adjust_address.
3856 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3858 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3859 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3860 documentation of -std and -Wwrite-strings.
3862 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3864 * cse.c (canon_hash): Don't register registers in very small
3865 register classes, as extending their lifetime might cause
3868 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3870 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3872 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3873 (try_redirect_by_replacing_jump): Update properly the count
3874 and frequency information.
3876 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3878 * toplev.c (dump_file_index): Move SSA dumps just after first
3880 (dump_file): Corresponding changes.
3881 (rest_of_compilation): Move SSA path to just after the first
3883 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3884 * doc/invoke.texi: Update dump file #s as they were completely
3885 out of date with reality.
3887 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3889 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3891 * expr.c (emit_move_insn_1): Deal with non-default
3894 * expr.c (emit_single_push_insn): Fix warning.
3896 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3898 * expr.c (emit_move_insn_1): Avoid modifying
3899 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3901 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3903 * emit-rtl.c (adjust_address): New function.
3904 * expr.h (adjust_address): Add declaration.
3905 * builtins.c: Replace some calls to change_address with calls to it
3907 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3908 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3909 * config/arm/arm.c, config/convex/convex.c: Likewise.
3910 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3911 * config/i386/i386.c, config/i386/i386.md: Likewise.
3912 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3913 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3914 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3915 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3916 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3918 2001-07-02 Jim Wilson <wilson@redhat.com>
3920 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3922 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3924 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3925 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3927 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3929 * cppinit.c (lang_defaults): New table.
3930 (set_lang): Just read from lang_defaults into the live options
3933 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3935 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3936 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3937 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3939 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3941 * doc/install.texi: Various spelling and markup fixes.
3942 (Installing GCC): Component specific installation instructions are
3945 Warn about removing old install dir in the presence of shared libs.
3946 (Configuration): Invoke with options target to match configure
3948 Consistently refer to gas, gld pathnames.
3949 Invert --enable-multilib documentation.
3950 Remove references to old compiler versions.
3952 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3954 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3956 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3958 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3960 (Specific, mips*-sgi-irix5): Note IDO download.
3961 Reworded MIPS C hints.
3962 Use GNU as instead of GAS.
3964 Removed SGI Freeware reference, IRIX 6 only.
3965 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3966 Note N64 library requirement/workaround.
3968 Complete list of structure passing bug victims.
3970 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3972 * doc/install.texi: Remove CVS Id.
3974 2001-07-02 Andreas Jaeger <aj@suse.de>
3976 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3977 (find_inherently_necessary): Remove unused variable.
3979 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3981 * c-common.h (TDI_inlined): New ast dump phase.
3982 (dump_flag_name): New function.
3983 * c-dump.c (dump_files): Add inlined phase.
3984 (dump_flag_name): Define.
3985 * doc/invoke.texi (-fdump-ast-inlined): Document.
3987 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3989 * stor-layout.c (layout_decl): Revert change to handling of alignment
3992 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3994 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3997 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3999 * doc/tm.texi (FUNCTION_ARG): Document that the last call
4002 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
4004 * tlink.c (recompile_files): Remove COMPILER_PATH and
4005 LIBRARY_PATH from the environment.
4007 2001-07-01 Zack Weinberg <zackw@stanford.edu>
4009 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
4010 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
4012 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
4014 * c-parse.in (OBJC_STRING): Kill.
4015 (objc_string): Decompose to [objc_string] '@' STRING.
4016 (reswords): Take the leading '@' off all the Objective C keywords.
4017 (objc_rid_sans_at): Kill.
4018 (init_reswords): Don't initialize it.
4019 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
4020 (_yylex): Kill reconsider label. Look ahead one token after
4021 an '@'; if we get an identifier, check whether it's an
4022 Objective C @-keyword. If so, return the keyword. Otherwise,
4023 put back the token and return the '@' as a terminal.
4025 * cpplib.c (lex_macro_node): Remove unnecessary check for
4026 leading '@' on identifier. Clarify control flow and commentary.
4028 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4030 * cse.c (new_label_ref): Variable deleted.
4031 (insert): Remove set of new_label_ref.
4032 (check_for_label_ref): New function.
4033 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
4035 See ChangeLog.5 for earlier changes.