1 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
3 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
4 /bin/sed fails on [^\"]).
5 (configargs.h): Likewise.
7 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
9 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
11 2001-05-28 Stan Shebs <shebs@apple.com>
13 * objc/objc.gperf: Remove, no longer used.
15 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
17 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
18 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
19 Remove trailing whitespace.
21 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
24 became http://freeware.sgi.com/.
26 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
28 * local-alloc.c (update_equiv_regs): Don't eliminate constant
31 2001-05-27 Stan Shebs <shebs@apple.com>
33 * objc/objc-act.c: Add/fix various comments.
34 (init_selector): Remove, no longer used.
35 (build_msg_pool_reference): Ditto.
38 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
40 * c-decl.c (init_decl_processing):
41 Don't call start_identifier_warnings.
42 * flags.h (warn_id_clash, id_clash_len): Remove.
43 * stringpool.c: Don't include flags.h.
44 (scan_for_clashes, do_identifier_warnings,
45 start_identifier_warnings): Remove.
46 * toplev.c (warn_id_clash, id_clash_len): Remove.
47 (display_help): Don't document -Wid-clash.
48 (decode_W_option): Print warning on -Wid-clash.
49 * tree.h (start_identifier_warnings): Remove.
50 * invoke.texi: Remove documentation of -Wid-clash.
52 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
56 2001-05-27 Bruce Korb <bkorb@gnu.org>
58 * fixinc/check.tpl(HACK) add and use a Scheme variable
59 (has no test text): error out if no "test_text" is defined
60 * fixinc/fixincl.tpl: likewise
61 (FIXIDX): make it an enumeration so we minimize diffs
62 * fixinc/inclhack.def: re-alphabetize and add sort instructions
63 * fixinc/fixincl.x: regenerate
64 * fixinc/tests/base/stdio.h: test output got moved due to
66 * README-fixinc: rewrite (mostly)
68 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
70 * cpplib.c (run_directive): Set pfile->directive.
72 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
74 * c-tree.texi: Reformat the manual as a single chapter now
76 * gcc.texi: Include c-tree.texi. Merge all indexes.
77 * Makefile.in (dvi): Add generation for the cppinternals
78 documentation. Added dependencies on fdl.texi and c-tree.texi
79 where appropriate. Use TEXI2DVI instead of custom tex calls.
80 (info): Added dependencies on fdl.texi and c-tree.texi where
81 appropriate. Remove the target c-tree.info.
83 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
85 * combine.c (try_combine): Fix typo in comment.
86 * expr.c (expand_expr): Likewise.
87 * config/i370/i370.md (untyped_call): Likewise.
89 2001-05-26 Bruce Korb <bkorb@gnu.org>
91 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
92 when fixincl is operating in test mode
93 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
94 (AAB_ultrix_limits): remove redundant text
95 (AAB_ultrix_memory): ditto
96 (AAB_ultrix_string): ditto
97 (djgpp_wchar_h): fix the test text
98 (irix_stdio_va_list): add test text
99 (irix_limits_const): add a testing output file (limits.h is overwritten)
100 (strict_ansi_not_ctd): put limits.h second in list for same reason
101 (solaris27_mutex_init): test text needed selection text, too
103 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
104 when fixincl is operating in test mode
106 2001-05-26 Philip Blundell <philb@gnu.org>
108 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
109 * config/i960/i960-protos.h: Likewise.
110 * config/i370/i370-protos.h: Likewise.
111 * config/h8300/h8300-protos.h: Likewise,
112 * config/sh/sh-protos.h: Likewise.
113 * config/v850/v850-protos.h: Likewise.
115 2001-05-26 Philip Blundell <philb@gnu.org>
117 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
119 2001-05-25 Zack Weinberg <zackw@stanford.edu>
121 * toplev.c (debug_args, f_options, W_options): Mark
122 descriptions for translation.
123 (display_help): Translate descriptions on output.
125 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
126 objc/lang-options.h: Mark descriptions for translation.
128 * aclocal.m4: Quote final argument of patsubst. Use
129 3-argument form of AC_DEFINE. Restore quotes to [] while
131 * configure.in: Remove unnecessary changequote calls.
132 * configure, config.in: Regenerate.
134 2001-05-25 Sam TH <sam@uchicago.edu>
136 * basic-block.h: Fix header include guards.
137 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
138 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
139 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
140 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
141 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
142 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
143 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
144 varray.h version.h: Likewise.
145 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
146 config/arm/arm.h config/c4x/c4x-protos.h
147 config/h8300/h8300-protos.h config/h8300/h8300.h
148 config/i370/i370-protos.h config/i370/i370.h
149 config/i960/i960-protos.h config/mcore/mcore.h
150 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
151 config/v850/v850-protos.h config/v850/v850.h: Likewise.
152 * fixinc/fixlib.h fixinc/server.h: Likewise.
154 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
156 * config/arc/initfini.c (.init): Fix typo.
158 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
160 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
162 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
164 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
166 2001-05-25 Richard Henderson <rth@redhat.com>
168 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
170 2001-05-25 Richard Henderson <rth@redhat.com>
172 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
173 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
174 (sparc*-*-solaris2): Likewise.
175 * config/t-linux: Remove shared libgcc macros.
176 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
177 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
179 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
181 * config.gcc (*-*-freebsd*): Report bad configuration.
183 2001-05-25 David Edelsohn <edelsohn@gnu.org>
185 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
187 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
189 (ASM_OUTPUT_LABELREF): Delete.
191 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
193 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
194 strict_ansi_only): Don't run if stdc_0_in_system_headers.
195 * fixinc/fixincl.x: Regenerate.
196 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
197 (FIX_TEST_TABLE): Declare it.
198 * fixinc/fixlib.h: Include config.h.
200 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
202 * fixinc/inclhack.def (alpha___assert): Change char * args to
203 const char * on Tru64 UNIX to avoid excessive warnings from
205 * fixinc/fixincl.x: Regenerate.
207 2001-05-25 Geoff Keating <geoffk@redhat.com>
209 * dbxout.c (dbxout_symbol): Invert previous patch, which was
210 outputting a tag only for variable-size records.
212 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
214 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
215 instead of rtx_equal_p for early clobber test.
217 2001-05-26 Mark Mitchell <mark@codesourcery.com>
219 * builtins.def: Encode additional information, such as names and
221 * builtin-types.def: New file.
222 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
223 (built_in_decls): Likewise. Don't explicitly initialize global
225 (expand_builtin_mathfn): Handle float and long double variants of
227 (expand_builtin): Likewise.
228 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
229 (expand_tree_builtin): Handle long, long long, float, and long
230 double variants of math functions.
231 * c-common.h (c_tree_index): Remove some unused nodes.
232 (void_ftype): Remove.
233 (void_type_ptr): Likewise.
234 (int_ftype_int): Likewise.
235 (ptr_ftype_sizetype): Likewise.
236 * c-decl.c (init_decl_processing): Remove creation of DWARF
238 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
239 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
240 * Makefile.in (c-common.o): Depend on builtin-types.def.
242 2001-05-25 Dale Johannesen <dalej@apple.com>
244 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
246 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
248 * c-parse.in (notype_initdcl): Remove redundant line.
250 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
252 * aclocal.m4: Fixed typo.
253 (gcc_AC_HEADER_STDBOOL): Define.
254 (gcc_AC_C__BOOL): Define.
255 * configure.in: Use them.
256 (AC_CHECK_HEADERS): Remove stdbool.h
257 * configure, config.in: Regenerate.
259 2001-05-25 Richard Henderson <rth@redhat.com>
261 * function.c (expand_function_start): Don't abort on PARALLEL
262 returns from hard_function_value.
264 2001-05-25 Richard Henderson <rth@redhat.com>
266 * config/i386/i386.md: Revert previous change. Do not apply
267 the peephole if the components do not die after the sequence.
269 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
271 * c-parse.in (array_declarator): New. Handle C99 constructs.
272 Don't restrict [*] declarators to C only.
273 (after_type_declarator, parm_declarator_starttypename,
274 parm_declarator_nostarttypename, notype_declarator,
275 direct_absdcl1): Use it.
276 * c-decl.c (build_array_declarator, set_array_declarator_type):
277 New functions. Warn that [*] isn't properly implemented; pedwarn
278 for [*] outside C99 mode if pedantic rather than giving a hard
280 (grokdeclarator): Handle static and type qualifiers in parameter
282 * c-tree.h (build_array_declarator, set_array_declarator_type):
284 * extend.texi (Attribute Syntax): Document attributes in parameter
287 2001-05-25 Mark Mitchell <mark@codesourcery.com>
289 * config/i386/i386.md: Make sure cmpstr peepholes do not
290 affect liveness information.
292 2001-05-24 Mark Mitchell <mark@codesourcery.com>
294 * c-typeck.c (digest_init): Issue error messages about
295 invalid constants, not warnings.
297 2001-05-24 Mark Mitchell <mark@codesourcery.com>
299 * invoke.texi (-fno-builtin): Document that this is always on
302 2001-05-24 Philip Blundell <philb@gnu.org>
304 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
307 2001-05-24 Philip Blundell <philb@gnu.org>
309 * config/arm/arm.c (output_return_instruction): Correctly handle
310 interworking and interrupt functions.
312 2001-05-24 Philip Blundell <philb@gnu.org>
314 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
315 -m{no-}sched-prolog. Fix typos and improve formatting.
317 2001-05-24 Philip Blundell <philb@gnu.org>
319 * invoke.texi (ARM Options): Improve wording slightly. Add
320 documentation for more options, including those for Thumb mode.
321 Don't mention options that don't exist or are unimplemented.
322 (Thumb Options): Delete; merged into above section.
324 2001-05-24 Geoff Keating <geoffk@redhat.com>
326 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
327 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
329 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
331 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
332 fix hard register simplification.
334 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
336 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
337 of just copying CPP_CPU_SPEC.
339 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
341 * i386.c (incdec_operand): Accept only 1 and -1.
343 2001-05-23 Kelley Cook <kelley.cook@home.com>
345 * Makefile.in: Move many of the *_H definitions eariler in the
346 file, so that rules in t-* files that use them for
347 dependencies will work in a parallel build.
348 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
350 2001-05-23 Richard Henderson <rth@redhat.com>
352 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
354 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
356 * cpp.texi: Update for handling of charconsts.
357 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
358 diagnostics. Skip to the end if the UCS is too short.
359 (cpp_interpret_charconst): Long charconsts issue a warning
362 2001-05-23 Richard Henderson <rth@redhat.com>
364 * doc/install.texi (alpha-linux): Require binutils 2.11.
366 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
368 * c-lex.c (read_escape, read_ucs): Delete.
369 (lex_string): Use cpp_parse_escape.
370 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
371 if not C++ or not C99. Warn if traditional.
372 (parse_escape): Rename cpp_parse_escape. Make the bitmask
373 unsigned. Warn for out-of-range escape sequences here.
374 Update to use maybe_read_ucs.
375 (cpp_interpret_charconst): Don't warn here.
376 * cpplib.h (cpp_parse_escape): New exported function.
378 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
380 * extend.texi (Attribute Syntax): Clarify application of
381 attributes to parameters declared as functions or arrays.
383 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
385 * dbxout.c (dbxout_type_methods): Do still group methods by name.
387 2001-05-23 Zack Weinberg <zackw@stanford.edu>
389 * diagnostic.c (vnotice): Kill.
390 (fnotice): Call vfprintf directly.
391 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
392 verbatim, set_diagnostic_context): Rename string argument to
393 indicate that it is run through gettext.
394 (vbuild_message_string, build_message_string, output_do_printf):
395 Rename string argument to indicate that it is NOT run through
397 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
398 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
399 Run msgid argument through gettext.
400 (default_print_error_function): Run constant strings through
401 gettext when nothing else will.
402 (fatal_error, internal_error, error_recursion): Use fnotice.
403 Present complete sentences to gettext.
405 2001-05-23 Mark Mitchell <mark@codesourcery.com>
407 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
409 2001-05-23 Richard Henderson <rth@redhat.com>
411 * function.c (expand_function_start): Always use a pseudo
412 for the function result value.
414 2001-05-22 Richard Henderson <rth@redhat.com>
416 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
417 section pointer alignment.
419 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
421 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
422 of __USER_LABEL_PREFIX__.
424 2001-05-22 Richard Henderson <rth@redhat.com>
426 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
427 (__deregister_frame_info_bases): New.
428 * unwind-dw2-fde.h: Declare it.
429 * libgcc-std.ver: Export it.
430 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
431 called __register_frame_info_bases.
433 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
435 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
436 instead of #elif (which is OK for this case but not in general).
438 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
440 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
441 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
442 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
443 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
444 "r2" to the assembly file. Only issue allocs with non-zero parameters.
446 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
447 David O'Brien <obrien@freebsd.org>
449 * config/freebsd.h (LIB_SPEC): Key the exact setting to
450 configure-time options and target version of FreeBSD. Set-up
451 to match architectural change in threading support. Correctly
452 report when -pthread option is not supported by configure-time
454 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
455 and extend to encode target version number in run-time setting
456 of __FreeBSD__ macro to match the system compiler.
457 (CPP_PREDEFINES): Likewise.
458 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
460 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
461 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
463 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
464 David O'Brien <obrien@freebsd.org>
466 * config.gcc (the unlabeled system switch statement): Add
467 generic configuration section to handle *-*-freebsd*. Also,
468 to match the system compiler, default to threading support (it
469 may be disabled with the standard --disable-threads
470 configuration-time switch).
471 (i[34567]86-*-freebsd* in machine-specific section): Use it.
472 (alpha*-*-freebsd* in machine-specific section): Likewise.
474 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
475 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
476 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
477 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
478 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
480 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
481 David O'Brien <obrien@freebsd.org>
483 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
484 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
485 -pthread instead setting macro.
487 2001-05-22 Richard Henderson <rth@redhat.com>
489 * crtstuff.c (__register_frame_info_bases): Declare.
490 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
491 (__do_global_dtors_aux, __do_global_dtors): Streamline.
493 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
494 (CRT_GET_RFIB_DATA): New.
495 * config/i386/sysv4.h: Likewise.
496 * config/i386/sco5.h: Likewise.
497 (ASM_PREFERRED_EH_DATA_FORMAT): New.
499 2001-05-22 Richard Henderson <rth@redhat.com>
501 * rtl.c (read_string): Break out from ...
502 (read_rtx): ... here.
504 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
506 * doc/install.texi (Specific): Remove a bogus and duplicate part
507 copied from the end of the document.
509 2001-05-22 Bernd Schmidt <bernds@redhat.com>
511 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
513 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
515 * install.texi: Remove obsolete information on SunOS as well as
516 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
517 (Installing GNU CC on the Sun): Remove section.
519 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
521 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
522 keep errno unchanged on success.
524 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
526 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
527 once for hexadecimal floats, whether or not they contain a decimal
528 point. Don't let the setting of pedantic otherwise affect the
529 parsing of hexadecimal floats.
531 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
533 * README.ACORN: Remove obsolete file.
535 2001-05-22 Jan Hubicka <jh@suse.cz>
537 * combine.c (gen_binary): Use swap_commutative_operands_p
538 (simplify_comparison): Likewise.
539 * expmed.c (emit_store_flag): Likewise.
540 * expr.c (compare_from_rtx): Likewise.
541 (do_compare_rtx_and_jump): Likewise.
542 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
543 if not emitting a branch and operands want swapping.
545 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
547 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
548 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
549 (maybe_get_identifier): Update.
550 * tree.h (make_identifier): Delete.
552 2001-05-21 Richard Henderson <rth@redhat.com>
554 * combine.c (subst): Do not substitute for a register as
555 a destination subreg/strict_low_part/zero_extract.
557 * combine.c (simplify_comparison): Update op1 after constant
559 * recog.c (const_int_operand): Accept only constants valid
561 * genrecog.c: Update comments wrt const_int_operand.
563 * emit-rtl.c (init_emit_once): Zero unused memory in a
566 2001-05-21 Mark Mitchell <mark@codesourcery.com>
568 * tree.h (type_num_arguments): Declare it.
569 * tree.c (type_num_arguments): New function.
571 2001-05-21 Richard Henderson <rth@redhat.com>
573 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
576 2001-05-21 Geoff Keating <geoffk@redhat.com>
578 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
580 (minsf3): Use rs6000_emit_minmax.
581 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
583 (movsfcc): Use rs6000_emit_cmove.
584 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
585 Don't generate emit_fselsfsf4.
586 (fseldfsf4): Likewise.
587 (maxdf3): Use rs6000_emit_minmax.
589 (mindf3): Use rs6000_emit_minmax.
590 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
592 (movdfcc): Use rs6000_emit_cmove.
593 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
594 Don't generate emit_fselsfsf4.
595 (fselsfdf4): Likewise.
596 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
597 (min_max_operator): New predicate.
598 (rs6000_emit_cmove): New function.
599 (rs6000_emit_minmax): New function.
600 * config/rs6000/rs6000-protos.h: Prototype new functions.
601 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
602 and min_max_operator.
604 * config/rs6000/rs6000.c (output_cbranch): Handle all
605 conditional types in the switch statement.
607 2001-05-21 Mark Mitchell <mark@codesourcery.com>
609 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
610 non-register variables.
611 * extend.texi: Document that asm-specifications do not make sense
612 for non-static local variables.
614 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
616 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
617 (dbxout_type_fields): Lose minimal_debug support.
618 (dbxout_type_methods, dbxout_type): Likewise.
620 2001-05-17 Andrew Haley <aph@redhat.com>
622 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
624 2001-05-21 Richard Henderson <rth@redhat.com>
626 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
629 2001-05-20 Richard Henderson <rth@redhat.com>
631 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
632 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
633 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
634 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
635 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
637 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
638 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
639 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
640 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
641 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
642 DEBUG_PUBNAMES_SECTION): Rename as above.
643 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
645 2001-05-20 Richard Henderson <rth@redhat.com>
647 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
648 operands unless the operation is commutative.
650 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
655 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
657 * extend.texi: Clarify documentation of extensions included in ISO
658 C99. Prefer C99 terminology and syntax to old GNU terminology and
659 syntax. Add more index entries. Document mixed declarations and
660 code as an extension in C89 mode. Warn about future changes to
661 semantics of inline functions. Fixes PR other/930.
663 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
665 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
666 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
667 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
668 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
670 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
672 2001-05-20 Richard Henderson <rth@redhat.com>
674 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
675 to be output before a branch.
677 2001-05-20 Richard Henderson <rth@redhat.com>
679 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
681 2001-05-20 Richard Henderson <rth@redhat.com>
683 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
684 (ASM_DOUBLE): Remove.
685 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
686 * config/i386/sun386.h: Likewise.
688 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
689 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
691 * config/i386/cygwin.h (INT_ASM_OP): Remove.
692 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
693 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
694 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
696 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
697 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
698 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
699 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
700 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
701 * config/i386/win32.h: Likewise.
703 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
705 * invoke.texi: Add more options to summary list.
707 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
709 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
710 used. Fixes PR c/2291.
713 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
715 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
716 the -fpic and -fPIC options, clear flag_pic.
718 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
720 * hashtable.c (calc_hash): Fix HASHSTEP definition.
721 * stringpool.c (make_identifier): No statistics here anymore.
722 * objc-act.c (steup_string_decl): Remove redundant check.
724 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
726 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
727 cpplib.o, cpphash.o, fix-header): Update.
728 (hashtable.o): New target.
729 * c-common.h: Include cpplib.h. Define C_RID_CODE and
730 struct c_common_identifier here.
731 * c-lang.c (c_init_options): Update. Call set_identifier_size.
732 * c-lex.c (c_lex): Update.
733 * c-pragma.h: Update.
734 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
736 (C_RID_CODE): Delete.
737 * cpphash.c: Rewrite to use hashtable.c.
738 * cpphash.h: Update include guards.
739 (struct cpp_reader): Remove hashtab.
740 hash_ob and buffer_ob are no longer pointers. Add hash_table
742 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
743 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
744 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
745 * cppinit.c (cpp_create_reader): Update.
746 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
747 (cpp_interpret_charconst): Eliminate warning.
748 * cpplib.c (do_pragma, do_endif, push_conditional,
749 cpp_push_buffer, cpp_pop_buffer): Update.
750 (_cpp_init_stacks): Rename cpp_init_directives.
751 (_cpp_cleanup_stacks): Remove.
752 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
753 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
754 cpp_forall_identifiers, cpp_create_reader): Update.
755 (C_RID_CODE, cpp_make_node): New.
756 (c_common_identifier): New identifier node for C front ends.
757 * cppmain.c (main): Update.
758 * fix-header.c (read_scan_file): Update.
759 * flags.h (id_clash_len): Make unsigned.
760 * ggc.h (ggc_mark_nonnull_tree): New.
763 * stringpool.c: Update comments and copyright. Update to use
765 * toplev.c (approx_sqrt): Move to hashtable.c.
766 (id_clash_len): Make unsigned.
767 * toplev.h (ident_hash): New.
768 * tree.c (gcc_obstack_init): Move to hashtable.c.
769 * tree.h: Include hashtable.h.
770 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
771 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
772 (struct tree_identifier): Update.
773 (make_identifier): New.
775 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
776 (C_RID_CODE): Remove.
777 * lex.c (cxx_init_options): Call set_identifier_size. Update.
778 (init_parse): Don't do it here.
780 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
782 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
784 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
786 (expand_eh_return): Convert between word_mode and Pmode.
787 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
789 (execute_stack_op): Likewise.
790 (execute_cfa_program): Likewise.
791 (uw_frame_state_for): Likewise.
792 (uw_update_context_1): Likewise.
793 * unwind.inc (_Unwind_Reason_Code): Likewise.
794 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
795 (EH_RETURN_STACKADJ_RTX): Likewise.
796 * config/mips/mips.c (compute_frame_size): Make space for saving
798 (mips_expand_epilogue): Handle EH stack adjustments.
799 * config/mips/mips.md (eh_return): New pattern.
800 (eh_set_lr_si): Likewise.
801 (eh_set_lr_di): Likewise.
802 Add splitter to perform EH return after reload.
804 2001-05-19 Mark Mitchell <mark@codesourcery.com>
806 * jump.c (mark_jump_label): Tidy previous change.
808 2001-05-19 Bruce Korb <bkorb@gnu.org>
810 * fixinc/genfixes: no need for two warnings
811 * fixinc/Makefile.in: open stdin for those building with a closed one.
813 2001-05-19 Mark Mitchell <mark@codesourcery.com>
815 * jump.c (jump_optimize_1): Tidy.
816 (mark_jump_label): When changing the label in a LABEL_REF, change
817 update any REG_EQUAL notes as well.
819 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
821 * c-parse.in (parm_declarator): Split into
822 parm_declarator_starttypename and parm_declarator_nostarttypename.
823 (parm_declarator_starttypename, parm_declarator_nostarttypename):
824 New. Allow parenthesised sub-declarators which don't begin with a
825 TYPENAME. Fixes PR c/166.
827 2001-05-19 Mark Mitchell <mark@codesourcery.com>
829 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
831 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
833 * toplev.c (main): If the target does not allow profiling without
834 a frame pointer, issue an error message.
835 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
838 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
840 * recog.c (general_operand): Modify last change to allow it if reload
843 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
845 * recog.c (general_operand): Prohibit nonzero subreg bytes on
846 subregs containing mem.
848 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
850 * regrename.c (regrename_optimize): frame pointer register can
853 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
855 * README.DWARF: Move into dwarfout.c.
857 2001-05-18 Dale Johannesen <dalej@apple.com>
859 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
860 specific misuse of r0 as a reload address.
862 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
864 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
867 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
869 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
870 (add_to_sequence): Make that decision type.
871 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
872 (write_switch, write_cond, debug_decision_2): Likewise.
874 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
876 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
879 2001-05-18 Stan Shebs <shebs@apple.com>
881 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
882 * configure: Regenerate.
884 2001-05-18 Per Bothner <per@bothner.com>
886 Changes needed for java/jvspec.c
887 * gcc.h (n_infiles, outfiles): Add declarations.
888 * gcc.c (n_infiles, outfiles): Mske no longer static.
890 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
892 * config/pa/som.h (EXCEPTION_SECTION): Define.
894 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
896 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
898 Add have_location_lists, a variable to determine whether we need a
899 .debug_loc section or not.
900 (enum dw_val_class): Add dw_val_class_loc_list.
901 (dw_val_struct): Add val_loc_list.
902 (dw_loc_list_struct): New structure, represents location lists.
903 (new_loc_list): New function, return a new location list, given
904 the range and location expression.
905 (add_loc_descr_to_loc_list): New function, add a location
906 expression to a location list, given the expression and range.
907 (output_loc_list): New function, output a location list.
908 (gen_internal_sym): Modified to take symbol prefix, so we can
909 reuse it for location list symbols.
910 (add_AT_loc_list): New function, add a location list to a DIE at
912 (AT_loc_list): New function, return the location list reference
913 for a given attribute, if it's a location list.
914 (print_die): Handle dw_val_class_loc_list.
915 (size_of_die): Ditto.
916 (value_format): Ditto.
918 (output_location_lists): New function, output all of the location
919 lists for a DIE and it's children.
920 (dwarf2out_finish): Call output_location_lists if we have location
924 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
926 * gcse.c (try_replace_reg): First try global replace, later try to
927 simplify the expression.
929 * gcse.c (find_used_regs): Change calling convention; work via
931 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
933 2001-05-18 Bernd Schmidt <bernds@redhat.com>
936 2001-02-09 Nick Clifton <nickc@redhat.com>
937 * config/arm/arm.md: Change output constraint on post inc
938 load/store multiple patterns to be a read/write constraint.
940 2001-05-18 Mark Mitchell <mark@codesourcery.com>
942 * basic-block.h (struct basic_block_def): Add documentation about
943 what a basic block is, and what the various fields are used for.
944 * flow.c (calculate_globlal_regs_live): Add documentation about
945 how the algorithm works, and how we know that it will terminate.
946 Check that the the inductive assumption that guarantees
947 termination actually holds.
948 (mark_used_regs): Treat conditionally set registers as used.
949 (debug_regset): Add comment.
950 * rtl.texi (cond_exec): Add documentation.
952 * function.c (expand_function_start): Avoid creating BLKmode
955 2001-05-17 Mark Mitchell <mark@codesourcery.com>
957 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
958 DIE, even if it has no children.
959 (dwarf2out_finish): Always output the line-number table, even if
962 2001-05-18 David Edelsohn <edelsohn@gnu.org>
964 * rs6000.md (movsfcc,movdfcc): Remove NE case.
966 2001-05-17 Bruce Korb <bkorb@gnu.org>
968 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
969 * fixinc/genfixes: emit a warning if AutoGen is out of date
971 2001-05-17 Brendan Conoboy <blc@cygnus.com>
972 Bruce Korb <bkorb@gnu.org>
974 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
975 found in fixinc directory. Facilitates binary distributions.
977 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
979 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
982 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
984 * dwarf2out.c (modified_type_die): Equate qualified type to die.
986 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
988 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
989 (simplify_subreg): Handle complex types represented as CONCAT.
991 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
992 * rtl.h (swap_commutative_operands_p): Declare.
993 * rtlanal.c (swap_commutative_operands_p): New.
994 (operand_preference): New static function.
996 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
997 (gen_binary): Likewise.
998 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
999 * simplify-rtx.c (simplify_gen_binary,
1000 simplify_gen_relational): Likewise.
1002 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1004 * cse.c (fold_rtx): Use simplify_subreg.
1006 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1007 (simplify_gen_subreg): New.
1008 (simplify_rtx): Use simplify_subreg.
1009 * rtl.h (simplify_gen_subreg): Declare.
1011 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1013 * doc/install.texi: Update Solaris information.
1015 * except.h (protect_cleanup_actions): Remove it.
1016 (lang_protect_cleanup_actions): Declare it.
1017 * except.c (protect_cleanup_actions): Remove it.
1018 (lang_protect_cleanup_actions): New variable.
1019 (init_eh): Don't make protect_cleanup_actions a GC root.
1020 (expand_eh_region_and_cleanup): Call
1021 lang_protect_cleanup_actions.
1022 (output_function_exception_table): Remove unused `align'
1024 * varasm.c (assemble_external): Abort if we have not yet
1025 opened the assembly output file.
1027 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1029 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1030 for eh_personality_libfunc.
1032 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1034 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1035 when calling simplify_subreg. This is needed to allow replacing
1036 of expression of one mode by expression of different mode.
1038 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1040 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1042 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1044 * expr.c (protect_from_queue): Protect against subsequent calls to
1046 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1049 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1051 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1053 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1055 * gccbug.in (CATEGORIES): Add "bootstrap".
1057 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1059 * simplify-rtx.c (simplify_subreg): Break out from ...
1060 * combine.c (combine_splify_rtx) ... here and ...
1061 * recog.c (validate_replace_rtx_1): ... here;
1062 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1063 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1064 (subreg_lowpart_p): ... here.
1066 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1068 * stmt.c (expand_asm_operands): For inout operands, make sure
1069 the substitution of '=' for '+' makes it into the rtl.
1071 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1072 (reload_as_needed): Call update_eliminable_offsets a bit later.
1074 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1076 * gcc.texi (gccbug): Refer to the web pages for detailed information
1079 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1081 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1083 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1084 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1085 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1086 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1087 * cross-make: Don't set LIBGCC1.
1088 * mklibgcc.in: Delete all code for building from libgcc1.c.
1089 Always honor LIB1ASMFUNCS if set.
1091 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1092 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1093 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1094 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1095 config/i386/uwin.asm, config/m68hc11/larith.asm,
1096 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1097 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1098 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1099 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1100 Delete or update references to libgcc1 in commentary.
1102 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1103 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1104 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1105 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1106 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1107 config/arm/t-semi, config/arm/t-strongarm-coff,
1108 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1109 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1110 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1111 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1112 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1113 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1114 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1115 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1116 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1117 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1118 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1119 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1120 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1121 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1122 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1123 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1124 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1125 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1126 config/mips/t-ultrix, config/mn10200/t-mn10200,
1127 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1128 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1129 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1130 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1131 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1132 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1133 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1134 config/sparc/t-sparclite, config/sparc/t-splet,
1135 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1136 config/sparc/t-vxsparc64, config/v850/t-v850:
1137 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1139 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1140 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1141 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1142 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1143 nongcc_SI_type, nongcc_word_type, or perform_*
1144 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1146 * config/i386/386bsd.h, config/i386/beos-elf.h,
1147 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1148 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1149 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1150 Don't include i386/perform.h.
1152 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1153 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1154 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1155 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1156 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1157 config/vax/t-openbsd, config/vax/t-vax: Delete.
1159 * config.gcc: Remove references to deleted files.
1160 (arm-semi-aof): Use arm/t-semi for tmake_file.
1162 * gcc.texi, install.texi, invoke.texi, tm.texi:
1163 Delete or rewrite text which is no longer relevant now that
1164 libgcc1 no longer exists.
1166 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1167 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1169 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1170 Bruce Korb <bkorb@gnu.org>
1172 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1175 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1177 * i386.md: Add two peepholes to clean up code generated by
1180 2001-05-16 Richard Henderson <rth@redhat.com>
1182 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1183 variants of non-absolute encodings.
1185 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1187 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1188 __register_frame_info_table_bases): Export.
1190 2001-05-16 Richard Henderson <rth@redhat.com>
1192 * except.c (eh_data_format_name): Move to ...
1193 * dwarf2asm.c: ... here. Use designated initializers if available.
1194 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1195 * dwarf2asm.h: Update declarations.
1196 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1197 ASM_PREFERRED_EH_DATA_FORMAT.
1198 (output_call_frame_info): Likewise. Use 'L' augmentation for
1201 * unwind-dw2-fde.h (struct fde_vector): New.
1202 (struct old_object): Rename from struct object.
1203 (struct object): New.
1204 (__register_frame_info_bases): Declare.
1205 (__register_frame_info_table_bases): Declare.
1206 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1207 * unwind-dw2-fde.c (objects): Remove.
1208 (unseen_objects, seen_objects): New.
1209 (__register_frame_info_bases): New.
1210 (__register_frame_info): Use it.
1211 (__register_frame_info_table_bases): New.
1212 (__register_frame_info_table): Use it.
1213 (__deregister_frame_info): Rewrite for changed object struct.
1214 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1215 (fde_unencoded_compare): Rename from fde_compare; uninline.
1216 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1217 (start_fde_sort): Adjust for new definition of fde_vector.
1218 (fde_insert): Likewise.
1219 (end_fde_sort): Likewise. Select comparison function based
1220 on properties of the object.
1221 (fde_split): Take object and fde_compare_t arguments.
1222 (frame_heapsort, fde_merge): Likewise.
1223 (classify_object_over_fdes): Rename from count_fdes. Handle
1224 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1226 (add_fdes): Handle encoded pointers.
1227 (init_object): Rename from frame_init. Update for new struct object.
1228 (linear_search_fdes): Rename from search_fdes. Handle encoded
1230 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1231 (binary_search_single_encoding_fdes): New.
1232 (binary_search_mixed_encoding_fdes): New.
1233 (search_object): New.
1234 (_Unwind_Find_FDE): Update for new struct object. Fill in
1236 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1237 iterating over EH data.
1238 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1239 fde_encoding, lsda_encoding.
1240 (read_uleb128, read_sleb128): Remove.
1241 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1242 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1243 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1245 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1247 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1249 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1250 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1251 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1252 cpp_spell_token, cpp_output_token): Similarly.
1253 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1254 do_pragma_poison, parse_assertion, do_assert): Similarly.
1255 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1256 save_parameter, _cpp_create_definition, check_trad_stringification,
1257 cpp_macro_definition): Similarly.
1258 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1259 * c-lex.c (cb_undef, c_lex): Similarly.
1260 * fix-header.c (recognized_function): Similarly.
1261 * cpplib.h (NODE_LEN, NODE_NAME): New.
1262 (cpp_hashnode): Rename length len.
1264 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1266 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1269 2001-05-16 Andreas Jaeger <aj@suse.de>
1271 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1273 * toplev.c: Include dwarf2asm.h for prototype of
1274 dw2_output_indirect_constants.
1276 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1278 * stmt.c (expand_asm_operands): Be able to offload addressof
1279 expression to memory. (PR optimization/185)
1281 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1283 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1284 applying distributive law.
1286 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1288 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1290 * gthr-dce.h (UNUSED): Attribute unused macro.
1291 (__gthread_key_dtor): Make arguments UNUSED.
1292 (__gthread_key_delete): Revise for compatibility with DRAFT4
1295 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1297 * doc/install.texi: Update AIX information.
1298 * README.RS6000: Remove obsolete file.
1300 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1301 Nathan Sidwell <nathan@codesourcery.com>
1303 * gcc.c (give_switch): Don't write before start of string.
1304 Always append suffix.
1306 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1308 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1311 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1313 * README.ALTOS: Remove obsolete file.
1315 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1317 * c-lex.h (save_and_forget_protocol_qualifiers,
1318 forget_protocol_qualifiers, remember_protocol_qualifiers):
1319 Remove deleted functions' prototypes.
1321 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1323 * c-parse.in (methodtype): New production.
1324 (methoddef, methodproto): Collapse separate '-' and '+'
1327 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1329 * c-common.h (RID_FIRST_PQ): New.
1330 * c-parse.in (objc_pq_context): New.
1331 (objc parser): Set objc_pq_context rather than calling
1332 remember_protocol_qualifiers and forget_protocol_qualifiers.
1333 Don't call save_and_forget_protocol_qualifiers.
1334 (yylexname): Handle objc protocol qualifiers here.
1335 * stringpool.c (struct str_header): Replace with sp_hashnode.
1336 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1337 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1338 Allocate an IDENTIFIER_NODE for each identifier.
1339 (FORALL_STRINGS, set_identifier): Delete.
1340 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1341 (ggc_alloc_string): Use an obstack.
1342 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1343 * tree.h: Update comments.
1344 (set_identifier): Delete.
1345 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1346 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1347 remember_protocol_qualifiers): Delete.
1349 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1351 * flow.c (life_analysis): After life analysis is complete, do
1352 an optional scan over insns looking for REG_LABEL notes that
1353 reference a deleted label.
1354 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1355 before peeking at LABEL_NUSES.
1357 2001-05-15 Richard Henderson <rth@redhat.com>
1359 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1360 (_Unwind_GetTextRelBase): New.
1362 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1364 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1366 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1368 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1369 so that CHOOSE_SECTION gets used.
1371 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1372 TARGET_RELOCATABLE like flag_pic for now.
1374 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1376 * rs6000.md (movdi splitter): Sign extend more efficiently.
1377 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1378 to "long long" valid on 32-bit and 64-bit hosts.
1379 (logical_operand): Cast trunc_int_for_mode return value.
1380 (rs6000_emit_move): Shift macro to encapsulate variable.
1381 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1382 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1383 plus_constant requires signed argument.
1385 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1387 * gthr-posix.h: Make additional pthread-* functions weak.
1389 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1391 * recog.c (apply_change_group): Avoid unneeded validating.
1393 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1395 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1396 (num_insns_constant): CONST_INT can be 64-bits.
1398 2001-05-14 Stan Shebs <shebs@apple.com>
1400 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1401 (LIBGCC_SPEC): Don't define.
1403 2001-05-14 Richard Henderson <rth@redhat.com>
1405 * configure.in (gcc_cv_as_eh_frame): New test.
1406 * config.in, configure: Rebuild.
1407 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1409 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1411 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1412 extended precision divide.
1414 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1416 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1417 for RETURNS as well.
1419 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1421 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1422 (CPP_CPU??_SIZE_TYPE): New.
1423 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1424 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1425 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1426 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1428 * i386.c (override_options): Add sorry about not suported modes.
1430 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1432 * config/pa/som.h (NM_FLAGS): Remove.
1433 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1434 (ASM_OUTPUT_SECTION_NAME): Remove.
1435 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1437 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1439 * regrename.c (regrename_optimize): Do not rename registers to
1442 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1444 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1445 contain MEMs. Remove useless distinction about clobbering
1448 2001-05-13 Geoff Keating <geoffk@redhat.com>
1450 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1451 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1452 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1453 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1454 (EXCEPTION_SECTION): Define.
1456 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1458 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1459 binary backward compat only.
1460 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1461 in LIB2FUNCS. Pass it to mklibgcc.
1462 * mklibgcc.in: Handle LIB2FUNCS_ST.
1464 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1466 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1468 * tm.texi (THREAD_MODEL_SPEC): Document it.
1469 * gcc.c (main): Use it.
1470 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1471 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1473 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1475 * rtl.h (SYMBOL_REF_WEAK): New macro.
1476 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1477 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1478 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1479 * gcc.texi: Remove wrong description.
1481 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1483 * Makefile.in (STAMP): New macro.
1484 Replace all uses of `touch' with $(STAMP).
1485 * fixinc/Makefile.in: Likewise.
1487 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1489 * configure.in: ldopen is never in -lexc, so don't test for it.
1490 Add test for exc_resume in -lexc for Ada.
1491 * configure: Regenerated.
1493 2001-05-12 Richard Henderson <rth@redhat.com>
1495 * dwarf2asm.c (size_of_encoded_value): New function.
1496 * dwarf2asm.h: Declare it.
1497 * except.c (output_function_exception_table): Align the TType
1498 array only as wide as the encoding.
1500 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1502 * extend.texi: Document #pragma GCC java_exceptions.
1504 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1506 * c-parse.in (bison parser, init_reswords): Remove uses of
1508 * c-tree.h (doing_objc_thang): Remove.
1510 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1512 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1513 about files not ending in newlines.
1515 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1517 * dwarfout.c (dwarfout_init): Add cast.
1518 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1519 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1521 * method.c (build_mangled_C99_name): Remove unused prototype.
1523 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1525 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1527 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1529 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1530 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1532 2001-05-11 Richard Henderson <rth@redhat.com>
1534 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1535 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1536 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1537 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1538 (dw2_output_indirect_constants): Prototype.
1539 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1540 current_function_func_begin_label if we'll need it for EH. Exit
1541 early for IA64_UNWIND_INFO.
1542 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1543 (eh_data_format_name): Update for indirect references.
1544 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1545 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1546 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1547 define HAVE_eh_return etc.
1548 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1549 (final_end_function): Don't call output_function_exception_table.
1550 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1551 (rest_of_compilation): Invoke output_function_exception_table
1552 for ia64 before assemble_end_function.
1553 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1554 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1556 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1557 * unwind.h: Declare them.
1558 * libgcc-std.ver: Export them.
1559 * unwind-pe.h: New file.
1561 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1563 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1565 (find_fde_for_dso): Extract DT_PLTGOT.
1566 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1567 the segment and gp as well.
1568 * config/ia64/frame-ia64.c: Remove file.
1569 * config/ia64/frame-ia64.h: Remove file.
1570 * config/ia64/unwind-ia64.c: New file.
1571 * config/ia64/unwind-ia64.h: New file.
1572 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1573 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1574 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1575 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1576 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1577 (IA64_UNWIND_INFO): Re-enable.
1578 (HANDLER_SECTION): Remove.
1579 (EH_RETURN_DATA_REGNO): New.
1580 * config/ia64/ia64.md (exception_receiver): Remove.
1581 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1582 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1584 2001-05-11 Richard Henderson <rth@redhat.com>
1586 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1587 calls and jumps to be bundled together.
1588 (ia64_reorg): Emit a break after a noreturn call that ends
1590 * config/ia64/ia64.md (break_f): New.
1592 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1594 * c-lex.c (lex_charconst): Convert into a simple wrapper
1595 around cpp_interpret_charconst, to which most of the code
1597 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1598 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1599 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1600 (lex): Use cpp_interpret_charconst.
1601 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1602 hex_digit_value): New functions.
1603 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1604 * cpplib.h (cpp_interpret_charconst): New prototype.
1605 * Makefile.in: Update.
1607 2001-05-12 Dean Wakerley <dean@wakerley.com>
1609 * doc/install.texi: New file. Converted to texinfo from the HTML
1610 documentation in wwwdocs/htdocs/install.
1612 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1614 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1615 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1617 * toplev.c (compile_file): Move comment for opening output
1618 file to just before the code that opens the output file.
1620 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1622 * regmove.c (regmove_optimize): Suppress the optimization for
1623 unchanging destination register. Add comment above function.
1625 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1627 * Makefile.in: Exterminate all references to assert.h.
1628 * cross-make: Likewise.
1630 * configure.in: Correct commentary.
1631 * configure: Regenerate.
1633 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1636 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1637 config/t-netbsd, config/t-rtems, config/x-linux,
1638 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1639 No need to override INSTALL_ASSERT_H.
1641 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1642 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1643 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1645 2001-05-11 Graham Stott <grahams@redhat.com>
1647 * combine.c (simplify_comparison): Fix typo.
1649 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1651 * loop.h (struct movables): Remove `num'.
1652 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1653 Adjust call to strength_reduce.
1654 (num_unmoved_movables): New function.
1655 (move_movables): Don't set movables->num.
1656 (strength_reduce): Compute the number of instructions in the loop
1657 here, rather than in the caller.
1658 (check_dbra_loop): Always clear reversible_mem_store if there
1659 are any memory sets.
1660 (loop_regs_scan): Don't count instructions here.
1661 (count_insn_in_loop): New function.
1663 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1665 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1667 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1669 * c-common.c (finish_label_expr): New function, lifted from
1670 from cp/semantics.c.
1671 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1672 * c-parse.in: Move 3 blocks of parser code into new functions.
1673 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1674 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1675 (lookup_label): Remove.
1677 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1679 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1680 FLOAT_BIT_ORDER_MISMATCH.
1682 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1684 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1685 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1687 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1689 * expr.c (emit_group_load): extract_bit_field requires a REG or
1692 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1694 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1695 a computed jump into an unconditional jump.
1696 In second hunk of code for collapsing computed and conditional jumps
1697 into unconditional jumps, reemit the jump in additional cases.
1699 * jump.c (jump_optimize_1): Do not wrap the new jump target
1700 inside a LABEL_REF; gen_jump will do that automatically.
1702 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1704 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1705 contents for a SYMBOL_REF in case of floating point constants.
1707 2001-05-10 DJ Delorie <dj@redhat.com>
1709 * c-common.c (combine_strings): Widen strings in a
1710 host-endian-independent way.
1712 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1714 * c-parse.in: Remove many shift/reduce conflicts. Update
1716 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1717 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1718 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1719 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1720 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1721 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1722 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1723 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1724 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1725 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1726 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1727 typespec_reserved_nonattr, typespec_reserved_attr,
1728 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1729 structsp_nonattr, components_notype, component_notype_declarator,
1730 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1731 firstparm, setspecs_fp): New
1732 (typed_declspecs, reserved_declspecs, typed_typespecs,
1733 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1734 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1735 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1736 type_quals): Remove. Users updated.
1737 (initdecls, notype_initdecls, after_type_declarator,
1738 parm_declarator, notype_declarator, absdcl1, components, ivars):
1739 Don't allow attributes at the start of a declarator; include them
1740 in the production containing the declarator instead. Always
1741 require type specifiers before trying to redeclare a typedef name.
1742 (typename): Allow for attributes but warn that they are ignored.
1743 (parmlist, firstparm, setspecs_fp): Include attributes in
1744 parmlist; suck them off the parser stack in firstparm using
1747 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1749 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1750 to determine if a block has an unconditional jump at its end.
1752 * jump.c (jump_optimize_1): When converting a conditional jump
1753 to an unconditional jump, build the jump using gen_jump instead
1754 of just modify operands in-place.
1756 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1758 * cppinit.c (cpp_post_options): Shut off macro expansion if
1760 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1761 IN_I directives only if the # is in column 1 and the directive
1762 name begins in column 2.
1763 * cppmain.c (scan_buffer): Insert a space between # and an
1764 identifier, when that identifier is a directive name.
1766 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1767 in the header search path.
1768 (enum node_type): Add T_INCLUDE_NEXT.
1769 (directive_table): Add entry for include_next.
1770 (do_include_next): New function.
1771 (process_include): New routine, broken out of do_include.
1772 (finclude): Insert 'nhd' argument, to be copied into
1773 next_header_dir of the new buffer.
1774 (main): Adjust to match.
1775 * gsyslimits.h, limity.h: Un-indent #include_next.
1777 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1779 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1780 inclusion as a chapter of the GCC manual.
1781 * gcc.texi: Include objc.texi.
1782 * fdl.texi: Use @unnumberedsec for the addendum.
1783 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1785 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1787 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1789 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1791 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1792 handling of two-address insns.
1794 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1796 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1797 ../binutils/nm-new instead of ../binutils/nm.
1799 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1801 * i386.md (movdi splitter): Fix the splitting condition
1802 (float_extenddftf splitter): Fix mode.
1804 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1806 * genrecog.c (write_switch): Avoid outputting of switch for
1807 types wider than int.
1809 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1811 * reload1.c (copy_eh_notes): New function.
1812 (emit_input_reload_insns): Call it.
1813 (emit_output_reload_insns): Call it.
1815 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1817 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1819 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1820 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1822 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1824 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1826 * pa.md (interspace_jump): Revise comment.
1827 (builtin_longjmp): Block initial setup insns from delay slot of
1829 (builtin_setjmp_receiver): New expander to save and restore PIC
1832 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1834 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1836 * toplev.c (compile_file): Set up the output file before we call
1837 the various initializers for the compiler.
1839 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1840 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1842 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1843 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1845 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1847 * Makefile.in (tradcpp0): Correct typo in dependency list.
1849 2001-05-06 Geoff Keating <geoffk@redhat.com>
1851 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1852 the link register if we're not going to use it.
1854 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1855 (output_function_profiler): Likewise.
1857 2001-05-07 Alan Modra <amodra@one.net.au>
1859 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1861 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1863 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1864 zero-extend it. Make abs_inc unsigned.
1866 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1867 widest mode in narrowing and widening operations.
1869 * config/mips/mips.md: Sign extend CONST_INTs.
1871 2001-05-06 Andreas Jaeger <aj@suse.de>
1873 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1874 (i386 Options): Document -momit-leaf-frame-pointer.
1876 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1878 * c-typeck.c (internal_build_compound_expr): Check for
1879 array to pointer conversion just once.
1881 2001-05-05 Richard Henderson <rth@redhat.com>
1883 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1885 2001-05-05 Richard Henderson <rth@redhat.com>
1887 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1888 to the parent of the fixup region.
1890 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1892 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1894 * cpp.texi (__NO_INLINE): Document it.
1896 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1898 * cppfiles.c (struct include_file): New member err_no.
1899 (find_or_create_entry): Set it.
1900 (open_file): Don't set fds to -2. Instead, use err_no to
1901 remember previous errors, if any.
1903 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1905 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1906 between X and Y by using sequences of xgdx and xgdy.
1908 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1910 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1911 of '!' for the 'D' alternative ('!' is too strong).
1912 ("*logicalsi3_silshl16"): Likewise.
1913 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1914 ("movstrictsi"): Remove spurious '+'.
1915 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1916 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1917 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1920 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1922 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1924 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1926 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1929 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1931 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1934 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1936 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1937 soft register, use ror instead of rol.
1939 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1941 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1942 into account pre/post increment decrement for 68HC12.
1943 Fix other problems in replacement and fix call to reg_mentioned_p.
1945 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1947 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1948 Put the soft registers in bss for 68HC12.
1949 (L_regs_d3_4): New for _.d3 and _.d4.
1950 (L_regs_d5_6): Likewise.
1951 (L_regs_d1_2): Likewise.
1952 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1954 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1956 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1957 to the pre-processor when -fshort-double is specified.
1958 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1960 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1962 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1963 (__mulsi3): Rewrite for 68HC12.
1964 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1965 Mark 'x' constraint with earlyclobber to prevent a
1966 RELOAD_FOR_OTHER_ADDRESS to go in it.
1967 (mulhi3_m68hc12): New pattern.
1968 (mulhi3_m68hc11): Rename of mulhi3.
1969 (mulhi3): New expand for 68HC12 optimisation.
1970 (umulhisi3, mulhisi3): New patterns for 68HC12.
1972 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1974 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1975 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1976 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1978 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1980 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1981 constants cheap after reload.
1982 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1984 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1985 so that gcc prefers a shift by 16.
1986 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1988 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1990 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1992 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1994 * alpha.h: NULL_PTR -> NULL.
2001 * i386.md: Likewise.
2004 * m68hc11.h: Likewise.
2005 * rs6000.h: Likewise.
2008 * sparc.h: Likewise.
2012 * final.c: Likewise.
2014 * recog.c: Likewise.
2016 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2019 `bool' parameter to `int'.
2021 * hash.c (hash_lookup): Likewise.
2023 * hash.h (hash_lookup): Likewise.
2025 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2027 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2029 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2031 2001-05-03 Geoff Keating <geoffk@redhat.com>
2033 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2034 -malign-loops, -malign-functions.
2035 * i386.c (ix86_align_funcs): Delete.
2036 (ix86_align_loops): Delete.
2037 (ix86_align_jumps): Delete.
2038 (override_options): Mark -malign-* as obsolete. Emulate their
2039 behaviour with the -falign-* options. Default -falign-* from
2040 the processor table.
2041 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2042 patch of Wed May 2 13:09:36 2001.
2043 (LOOP_ALIGN): Delete.
2044 (LOOP_ALIGN_MAX_SKIP): Delete.
2045 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2046 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2048 2001-05-04 Andreas Jaeger <aj@suse.de>
2050 * except.h: Add prototype declaration for
2051 expand_builtin_init_dwarf_reg_sizes.
2053 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2055 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2057 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2059 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2061 ("bitcmpqi2"): New pattern for bit-extract and test.
2062 ("bitcmphi"): New pattern for bitb/bita instructions.
2064 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2066 * gccbug.in: Use a temporary directory when the mktemp command is
2069 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2071 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2073 (INITIALIZE_TRAMPOLINE): Call it.
2074 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2075 (TRAMPOLINE_TEMPLATE): Remove.
2076 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2077 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2080 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2082 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2083 and crtendS.o with PIC.
2085 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2087 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2089 (___subdi3, ___adddi3): Use x instead of y as index register.
2090 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2091 (__memset, __memcpy): Likewise.
2092 (regs): Put the soft registers in bss for 68HC12.
2093 (abort): Use trap to abort for 68hc12.
2094 (__mulhi3, __mulhi32): Use emul for 68hc12.
2095 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2097 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2099 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2100 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2101 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2102 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2103 Set 68HC12 min offset to -65536.
2104 (print_operand): Put parenthesis arround the operand if it refers
2105 to a symbol having the same name as a register.
2106 (m68hc11_z_replacement): When z register is replaced by its
2107 equivalent soft register, force the insn to be re-recognized.
2108 (m68hc11_check_z_replacement): Fix the test when destination is
2109 the index register and z dies in the insn.
2110 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2112 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2114 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2115 costs according to processor variant.
2116 (m68hc11_shift_cost): New function to compute shift costs.
2117 (m68hc11_rtx_costs): Define costs according to processor variant.
2118 (m6811_cost): Costs for 68HC11.
2119 (m6812_cost): Costs for 68HC12.
2120 (COSTS_N_INSNS): Remove.
2122 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2123 (DEFAULT_RTX_COSTS): Remove.
2124 (CONST_COSTS): Define costs according to OUTER_CODE.
2125 (processor_costs): New struct to define costs.
2126 (m68hc11_cost): Pointer to current costs.
2128 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2130 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2131 and use m68hc11_notice_keep_cc when using leax/leay.
2132 (addhi3 split): Reject split if the insn is handled by
2134 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2135 push must be handled in a special way if the source operand uses
2136 sp as index register.
2137 (m68hc11_notice_keep_cc): New function.
2138 (m68hc11_gen_movhi): Use it when an insn changes a register but
2140 (m68hc11_gen_movqi): Fix move for 68HC12.
2141 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2143 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2145 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2146 and don't pass operands[0] to emit_library_call_value.
2148 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2150 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2151 (zero_extendsi split): Simplify and use (zero_extendhi).
2152 (*addhi3): Remove 'w' constraint since stack pointer is handled
2154 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2155 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2156 (*ashrhi3_const): Fix shift by 7.
2157 (*lshrsi3_const16): Fix template.
2158 (call, call_value): Fix constraint and predicate.
2160 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2162 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2163 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2164 (CC_REGNUM): Likewise.
2165 (*unnamed splits): Use above constants instead of hard coded numbers.
2166 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2167 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2168 (*return_16bit, *unnamed peepholes): Likewise.
2170 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2172 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2173 rs6000/rs6000.h twice.
2175 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2177 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2178 (CPP_SPEC): Conditionally define MSDOS and GO32.
2179 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2180 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2182 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2184 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2186 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2188 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2190 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2191 * integrate.c (expand_inline_function): Use xcalloc to allocate
2193 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2196 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2198 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2201 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2203 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2204 linker if -mrelax is given.
2205 (TARGET_SWITCHES): Document -mrelax.
2207 Re-installed 2001-01-09's patch:
2208 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2209 if it's wider than long and the target's long is wider than the
2212 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2214 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2215 directly include rs6000/rs6000.h. Instead do it in tm.h.
2217 2001-05-02 Stan Shebs <shebs@apple.com>
2219 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2220 NSConstantString for NeXT-style runtimes.
2221 (STRING_OBJECT_GLOBAL_NAME): New macro.
2222 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2223 OCTI_STRING_CLASS_DECL.
2224 (constant_string_global_id): New macro.
2225 (string_class_decl): Ditto.
2226 (setup_string_decl): New function.
2227 (build_objc_string_object): Use it to build a NeXT runtime
2228 compatible string initializer.
2230 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2232 * tradcpp.c (do_define): Make sure we don't walk past limit.
2234 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2236 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2237 offsets if not REG_OK_STRICT.
2239 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2240 (INT_REG_OK_FOR_INDEX_P): Likewise.
2241 (INT_REG_OK_FOR_BASE_P): Likewise.
2242 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2243 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2244 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2245 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2246 REG_OK_FOR_BASE_P. Take an additional parameter.
2247 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2248 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2249 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2250 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2251 rs6000_legitimate_address() and use it.
2252 * config/rs6000/rs6000.c: Update all callers.
2253 (rs6000_legitimate_address): New function.
2255 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2257 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2258 special_constant conditional blocks together.
2260 2001-05-02 Dale Johannesen <dalej@apple.com>
2262 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2264 (STRICT_ARGUMENT_NAMING): Define.
2265 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2266 function_arg_partial_nregs, setup_incoming_varargs): Remove
2267 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2270 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2272 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2274 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2277 * expr.c (store_field): Do nothing except elaborate side-effects if
2280 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * c-lex.c: NULL_PTR -> NULL.
2284 * emit-rtl.c: Likewise.
2286 * genpeep.c: Likewise.
2288 * mips-tdump.c: Likewise.
2289 * reload1.c: Likewise.
2290 * rtlanal.c: Likewise.
2292 * stor-layout.c: Likewise.
2293 * toplev.c: Likewise.
2295 2001-05-01 Per Bothner <per@bothner.com>
2297 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2298 call do_pending_stack_adjust before emiting label.
2300 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2302 * extend.texi: Fix typo.
2304 2001-05-01 Stan Shebs <shebs@apple.com>
2306 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2307 of UOBJC_MODULES_decl.
2308 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2309 (generate_descriptor_table): Ditto.
2310 (generate_protocols): Ditto.
2311 (generate_protocol_list): Ditto.
2312 (generate_classref_translation_entry): Ditto.
2314 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2316 * invoke.texi (Optimize Options): Add documentation for `--param
2317 max-delay-slot-insn-search' and `--param
2318 max-delay-slot-live-search' and reorder --param section.
2319 * params.def: Modify initial comment.
2320 * params.h (param_info): Add `help' member.
2321 * toplev.c (lang_independent_params): Include `help' description.
2322 (display_help): Print --param parameters.
2324 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2326 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2327 Remove references to deleted files.
2328 (*-*-openbsd): No need to override xmake_file.
2329 (*-*-sysv4): Treat like *-*-sysv.
2331 * configure.in: Probe for ldopen in various places, and set up
2332 collect2 to be linked with them if found.
2333 Don't dink with Windows registry stuff unless $host_os is a
2334 Win32 os name. Check to see if we need -ladvapi32.
2335 * configure: Regenerate.
2337 * Makefile: Get rid of CLIB and HOST_CLIB.
2338 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2339 * build-make: Get rid of HOST_CLIB.
2341 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2342 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2343 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2344 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2345 config/rs6000/x-rs6000: Delete.
2347 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2350 24 x-host fragments remain, 0 x-cpu, 3 top level.
2352 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2354 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2355 * configure: Regenerate.
2357 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2359 * Makefile.in (install-headers): Remove redundant dependency.
2361 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2363 * c-tree.texi (USING_STMT): Document.
2365 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2367 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2368 * c-common.c: Likewise.
2369 * c-decl.c: Likewise.
2370 * combine.c: Likewise.
2371 * rs6000.c: Likewise.
2372 * except.c: Likewise.
2373 * explow.c: Likewise.
2375 * fold-const.c: Likewise.
2376 * function.c: Likewise.
2379 * integrate.c: Likewise.
2381 * objc/objc-act.c: Likewise.
2382 * recog.c: Likewise.
2383 * reg-stack.c: Likewise.
2384 * reload.c: Likewise.
2385 * reload1.c: Likewise.
2386 * simplify-rtx.c: Likewise.
2388 * varasm.c: Likewise.
2390 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2392 * diagnostic.def: New file.
2393 * diagnostic.h (diagnostic_t): New enum.
2394 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2396 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2398 * tsystem.h: Test only POSIX for availability of string.h
2400 * config.gcc (all systems): If USG appeared in xm_defines,
2401 change it to POSIX. If both USG and POSIX appeared, just
2402 delete USG. Remove unnecessary quotes around xm_defines
2404 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2405 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2406 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2407 powerpc-*-linux*): No need to set xm_defines - handled by
2408 global settings for *-*-linux*.
2410 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2412 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2413 Always include gstab.h, not system stab.h. Don't provide
2414 default definitions of N_CATCH or N_OPT. Always use the
2415 gstab.h variant of STAB_CODE_TYPE.
2416 * final.c: Don't include stab.h/gstab.h at all, or provide
2417 defaults for N_SLINE and N_SOL.
2419 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2420 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2422 * sdbout.c: Always include gsyms.h instead of system syms.h.
2424 * configure.in: No need to check for stab.h.
2425 * configure, config.in: Regenerate.
2426 * Makefile.in (final.o): Don't depend on gstab.h.
2428 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2429 Richard Henderson <rth@redhat.com>
2431 * extend.texi: Improve documentation of volatile asms.
2433 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2435 * c-tree.texi: Fix thinko.
2436 * gcc.texi: Likewise.
2438 2001-04-30 Richard Henderson <rth@redhat.com>
2440 * c-common.c (c_promoting_integer_type_p): New function, from the
2441 corpse of old macro. Properly promote too-small enumerations and
2442 booleans. Adjust all callers.
2443 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2444 (c_promoting_integer_type_p): Declare.
2445 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2446 * c-typeck.c: Likewise.
2447 (default_conversion): Remove now redundant boolean check.
2449 2001-04-30 Jan Hubicka <jh@suse.cz>
2450 Richard Henderson <rth@redhat.com>
2452 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2454 (combine_stack_adjustments_for_block): Don't combine stack
2455 allocation followed by deallocations. Handle grow-up stacks.
2457 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2459 * fdl.texi: New file.
2460 * c-tree.texi: Use the GFDL.
2461 * gcc.texi: Likewise.
2463 2001-04-30 Stan Shebs <shebs@apple.com>
2465 * invoke.texi: Add a section documenting Objective-C options.
2467 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2469 * emit-rtl.c (try_split): Copy EH notes to sequence.
2471 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2473 * regmove.c (record_stack_memrefs): Catch all references to the
2476 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2478 * Makefile.in (stmp-fixinc): quote shell assignment values
2480 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2482 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2486 * prefix.c: Likewise.
2488 2001-04-28 Stan Shebs <shebs@apple.com>
2490 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2491 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2492 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2493 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2495 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2496 (NEXT_OBJC_RUNTIME): Define.
2498 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2500 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2501 * simplify-rtx.c (simplify_gen_relational): Likewise.
2503 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2505 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2506 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2508 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2509 registers in SSE case; fix handling of the immediates.
2510 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2511 operands to be in regsiters before reload.
2512 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2513 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2514 (abstf,absxf,negtf,negxf splitters): Compute
2515 properly the regnum for x86_64.
2516 (avsdf2_if_rex64): New.
2518 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2520 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2521 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2522 into the constant pool.
2523 * jump.c (jump_optimize_1): Remove barrier successors after all
2524 the LABEL_NUSES counds have been computed.
2525 (delete_barrier_successors): When deleting a tablejump insn, also
2526 delete the jump table it uses.
2527 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2530 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2532 * pa.c (FRP): Remove erroneous white space in macro definition.
2534 2001-04-28 Andreas Jaeger <aj@suse.de>
2536 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2538 * extend.texi: Likewise.
2539 * tm.texi: Likewise.
2541 2001-04-28 Andreas Jaeger <aj@suse.de>
2543 * md.texi: Use XX-bit instead of XXbit or XX bit where
2546 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2548 * gcc.c (process_command): Allow -l lib in addition to -llib
2549 for POSIX compliance. This fixes PR c/2347.
2551 * invoke.texi: Update section on Link Options accordingly.
2553 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2555 * function.c (purge_addressof_1): Remove the duplicate
2556 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2559 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2561 * except.c (expand_eh_region_start): Don't start a new block.
2562 (expand_eh_region_end): Don't end a block.
2563 * stmt.c (expand_end_bindings): Don't end EH blocks.
2564 (expand_decl_cleanup): Starting an EH region won't change the block.
2565 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2566 (is_eh_region): Lose.
2569 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2571 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2573 * collect2.c (main): Add `-L' case to remove duplicate entries.
2574 (is_in_args): New function to check for a duplicate argument.
2575 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2576 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2577 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2578 Define to be nonzero.
2580 2001-04-27 Andreas Jaeger <aj@suse.de>
2581 Richard Henderson <rth@redhat.com>
2583 * md.texi (Machine Constraints): Document additional i386
2584 constraints and fix description of "A".
2586 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2588 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2590 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2592 * except.c (get_exception_filter): word_mode, not Pmode.
2594 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2596 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2597 common to other movsf patterns. Move up so that in future
2598 people who change the other patterns will change it too.
2599 (movsf_lo_sum): Allow even for soft-float; add appropriate
2601 (movsf_high): Likewise.
2602 (movsf_high+1): Allow even for soft-float.
2604 * function.c (expand_function_end): Always clobber the
2605 return registers, even if there is no return label.
2607 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2609 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2611 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2614 (pushqi2_rex64, pushhi2_rex64): Add.
2616 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2618 * except.c (expand_eh_region_end_cleanup): Force pending stack
2619 adjust before emitting label that branches around cleanup code.
2621 2001-04-26 H.J. Lu (hjl@gnu.org)
2623 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2625 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2627 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2628 (ASM_OUTPUT_SECTION_NAME): Likewise.
2629 (ASM_WEAKEN_LABEL): Likewise.
2630 (UNIQUE_SECTION): Likewise.
2631 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2632 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2633 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2634 (ASM_OUTPUT_SECTION_NAME): Likewise.
2635 (ASM_WEAKEN_LABEL): Likewise.
2636 (UNIQUE_SECTION): Likewise.
2637 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2638 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2639 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2640 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2641 (ASM_FILE_START): Likewise.
2642 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2643 (ASM_DECLARE_OBJECT_NAME): Likewise.
2644 (ASM_FILE_END): Likewise.
2645 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2646 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2647 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2648 (ASM_OUTPUT_CASE_LABEL): Likewise.
2649 (ASM_OUTPUT_SKIP): Likewise.
2650 (ASM_OUTPUT_ASCII): Likewise.
2651 (ASM_OUTPUT_IDENT): Likewise.
2652 (READONLY_DATA_SECTION): Likewise.
2653 (EXTRA_SECTIONS): Likewise.
2654 (EXTRA_SECTION_FUNCTIONS): Likewise.
2655 (SELECT_RTX_SECTION): Likewise.
2656 (SELECT_SECTION): Likewise.
2658 * config/mips/linux.h (INVOKE__main): Undefine.
2659 (CTOR_LIST_BEGIN): Likewise.
2660 (CTOR_LIST_END): Likewise.
2661 (DTOR_LIST_BEGIN): Likewise.
2662 (DTOR_LIST_END): Likewise.
2663 (SET_ASM_OP): Defined it to ".dummy".
2664 (ASM_OUTPUT_DEF): Defined.
2665 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2667 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2669 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2670 assembler supports .p2align.
2672 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2674 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2676 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2678 * integrate.c (expand_inline_function): Check for error_mark_node
2681 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2683 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2686 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2688 * configure.in (configargs.h): Define thread_model.
2689 * configure: Rebuilt.
2690 * gcc.c (main): Print it with -v.
2692 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2694 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2695 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2696 * gcc.1: Regenerate.
2698 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2700 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2701 is_redundant_typedef): Use static inline instead of inline static.
2703 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2705 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2706 this directory is always searched.
2708 2001-04-25 Richard Henderson <rth@redhat.com>
2710 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2711 of registers to restore along non eh_return path.
2713 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2715 * c-format.c (check_format_info_recurse): Handle
2716 PLUS_EXPR for format string.
2718 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2720 * config/ia64/ia64.h (CC1_SPEC): Define.
2721 * config/ia64/linux.h (CC1_SPEC): Define.
2723 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2725 * emit-rtl.c (constant_subword): Also do sign extension in
2726 BITS_PER_WORD == 16 case.
2728 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2730 * loop.c (try_swap_copy_prop): Go back to checking insn.
2732 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2734 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2735 if check_mode is non-zero.
2737 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2739 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2740 out and comparison sequence has been detected, put result into
2741 proper temporary pseudo.
2743 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2745 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2746 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2747 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2748 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2749 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2750 for future reference.
2752 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2754 * except.c (reachable_handlers): Step out one level from a RESX.
2756 * except.c (struct eh_region): Rename 'last' to 'resume'.
2757 (mark_eh_region, duplicate_eh_region_1): Adjust.
2758 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2759 (build_post_landing_pads): Likewise.
2760 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2761 (expand_eh_region_end_must_not_throw): Likewise.
2762 (connect_post_landing_pads): Thread (only) regions with non-deleted
2765 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2766 registers around the cleanup.
2767 (get_exception_filter): New fn.
2768 (finish_eh_generation): Use it.
2770 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2772 * c-semantics.c (add_scope_stmt): Don't call
2773 current_scope_stmt_stack multiple times.
2775 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2776 Nathan Sidwell <nathan@codesourcery.com>
2778 Lazy __FUNCTION__ generation.
2779 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2780 RID_C99_FUNCTION_NAME): New _RIDs.
2781 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2782 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2783 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2785 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2786 (c99_function_name_decl_node, function_name_decl_node,
2787 pretty_function_name_decl_node, saved_function_name_decls):
2789 (struct language_function): Remove x_function_name_declared_p.
2790 (make_fname_decl): Remove a parameter.
2791 (declare_function_names): Remove prototype.
2792 (start_fname_decls, finish_fname_decls): Prototype.
2793 (fname_as_string): Likewise.
2794 (fname_string, fname_decl): Likewise.
2795 * c-common.c (make_fname_decl): Adjust.
2796 (struct fname_var_t): New struct.
2797 (fname_vars): New static array.
2798 (declare_function_name): Remove.
2799 (start_fname_decls, finish_fname_decls): New functions.
2800 (fname_as_string): New function from remnants of
2801 declare_function_name.
2802 (fname_string, fname_decl): New functions.
2804 * c-decl.c (c_function_name_declared_p): Remove.
2805 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2806 don't call declare_function_name. Call start_fname_decls.
2807 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2808 clobber the line number. Call finish_decl.
2809 (start_function): Call start_fname_decls.
2810 (finish_function): Call finish_fname_decls.
2811 Remove c_function_name_declared_p.
2812 (push_c_function_context): Don't push c_function_name_declared_p.
2813 (pop_c_function_context): Don't pop c_function_name_declared_p.
2814 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2815 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2816 (program): Call finish_fname_decls for C.
2817 (primary): Add VAR_FUNC_NAME.
2818 (reswords): Add slots for __FUNCTION__ et al.
2819 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2820 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2821 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2822 * c-semantics.c (prune_unused_decls): Remove.
2823 (finish_stmt_tree): Don't call prune_unused_decls.
2824 (genrtl_decl_stmt): Don't prune unused decls here.
2826 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2828 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2829 constant pool, use the pool's SYMBOL_REF instead.
2831 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2834 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2836 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2837 passing nested NOP_EXPRs to fold.
2839 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2841 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2843 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2845 * loop.c (loop_delete_insns): Add prototype.
2847 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2849 * configure.in: Remove ENABLE_STD_NAMESPACE.
2850 * config.in: Regenerated.
2851 * configure: Regenerated.
2853 2001-04-22 Stan Shebs <shebs@apple.com>
2855 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2857 * config/rs6000/xm-darwin.h: Remove file.
2859 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2861 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2862 (write_c_file_stat): Likewise.
2864 * dbxout.c (dbxout_init): Likewise.
2866 * profile.c (output_func_start_profiler): Likewise.
2868 2001-04-22 Philipp Thomas <pthomas@suse.de>
2870 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2871 require it instead of the CVS version.
2872 * cpperror.c (v_message): Put a blank before the macro
2873 body to not confuse exgettext.
2875 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2877 * flow.c (proagate_one_insn): Remove useless assignment.
2878 * jump.c (delete_insn): Tidy.
2879 * loop.c (try_copy_prop): When deleting an instruction with a
2880 REG_RETVAL note, delete the entire libcall sequence.
2881 (loop_delete_insns): New function.
2882 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2883 we're not substituting into them yet.
2885 2001-04-21 Kazu Hirata <kazu@hxi.com>
2887 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2889 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2891 * config/i960/i960.c (signed_arith_operand): Likewise.
2893 * calls.c (expand_call): Fix a comment typo.
2895 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2897 * configure.in: Probe for times, clock, struct tms, and clock_t.
2898 * configure, config.in: Regenerate.
2899 * timevar.c: Replace ifdef forest in get_time with (relatively)
2900 straightforward series of checks based on autoconf's probes.
2902 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2904 * config/pa/som.h (NM_FLAGS): Define.
2906 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2908 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2910 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2911 * ia64.c (nop_cycles_until): New function.
2912 (prev_cycle, prev_first, last_issued): New static variables.
2913 (ia64_sched_reorder): Additional arg for clock.
2914 On final scheduling pass, emit extra NOPs as needed.
2915 Set prev_first and prev_cycle.
2916 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2917 (ia64_variable_issue): Set last_issued.
2919 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2921 * config/i386/i386.c (ix86_expand_int_movcc,
2922 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2924 2001-04-20 Geoff Keating <geoffk@redhat.com>
2926 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2927 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2928 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2929 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2930 ctrdi_internal6): In the short-branch case, this insn is only 4
2931 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2933 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2935 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2936 "=u" is used together with "st" resp. "st(1)" clobber.
2938 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2940 * gcse.c (gcse_main): Fix comment typo.
2941 (delete_null_pointer_check): Likewise.
2942 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2943 * cse.c (cse_insn): Likewise.
2944 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2947 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2949 * toplev.c: Excise all code for the undocumented -dm option.
2950 (float_signal): Call signal just once, unconditionally.
2952 2001-04-19 Geoff Keating <geoffk@redhat.com>
2954 * fold-const.c (fold): Use first_rtl_op rather than
2955 TREE_CODE_LENGTH when looping over parameters of a tree.
2956 Correct strange grouping in test for evaluated SAVE_EXPR.
2958 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2960 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2961 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2963 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2964 name at 32 total characters.
2965 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2966 functions in named sections -- data items can still go into unique
2967 sections, but they have normal names (ie $LIT$ and $DATA$).
2969 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2972 2001-04-19 DJ Delorie <dj@redhat.com>
2974 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2975 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2976 * config/i386/cygwin.h: Likewise.
2977 * config/i386/mingw32.h: Likewise.
2978 * config/vax/vms.h: Likewise.
2979 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2981 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2982 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2983 * config/i386/xm-cygwin.h: Likewise.
2984 * config/i386/xm-djgpp.h: Likewise.
2985 * config/i386/xm-mingw32.h: Likewise.
2986 * config/vax/xm-vms.h: Likewise.
2988 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2989 instead of OBJECT_SUFFIX.
2990 * collect2.c (find_a_file): Look for files matching the extension
2991 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2992 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2993 TARGET_EXECUTABLE_SUFFIX.
2994 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2995 (make_relative_prefix): Likewise.
2996 (convert_filename): Use TARGET_ suffixes throughout. Remove
2998 (process_command): Likewise.
2999 (do_spec_1): Likewise.
3000 * java/lang.c (init_parse): Likewise.
3002 * gcc.texi : Document four new options matching the pattern
3003 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3004 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3005 documentation for NO_AUTO_EXE_SUFFIX.
3007 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3009 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3010 that language-independent processing should not be done.
3011 * toplev.c (main): Adjust accordingly.
3013 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3014 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3016 * mips.md (reload_outputdi): Require that operand0 be a
3019 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3021 * invoke.texi (-Wshadow): Clarify.
3023 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3025 * loop.c (load_mems): Examine all the instructions in the loop
3026 before concluding that all jumps branch to the first instruction
3029 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3031 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3033 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3035 * cpp.texi (-Wwhite-space): Remove.
3036 (-Wall): -Wall does not imply -Wwhite-space.
3038 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3040 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3041 use it instead of blindly generating a .stabs.
3042 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3044 * xcoffout.c: Don't bother defining default for N_CATCH.
3045 (UNKNOWN_STAB): Use internal_error.
3046 (stab_to_sclass): Remove now-unnecessary aborts.
3047 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3049 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3051 * jump.c (mark_all_labels): Canonicalize the tail recursion
3052 label attached to CALL_PLACEHOLDER insns.
3054 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3056 * output.h (dump_flow_info, free_basic_block_vars,
3057 which_alternative): Delete redundant prototypes.
3059 * rtl.h (bss_section): Likewise.
3061 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3063 * dbxout.c (N_OPT): Define if not available from <stab.h>
3065 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3067 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3068 libraries and native K&R compilers.
3070 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3072 * c-typeck.c (convert_arguments): Don't check for width changes
3075 * invoke.texi (-Wtraditional): Update documentation.
3077 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3079 * toplev.c (output_lang_identify): Delete.
3080 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3081 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3082 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3083 after calling ASM_FILE_END.
3085 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3086 Instead, unconditionally emit an N_OPT stab with string equal
3087 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3089 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3091 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3092 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3093 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3094 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3095 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3096 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3097 config/i370/i370.h, config/i386/beos-elf.h,
3098 config/i386/osf1elf.h, config/i386/osfrose.h,
3099 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3100 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3101 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3102 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3103 config/mips/iris6.h, config/mips/osfrose.h,
3104 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3105 config/sparc/sp64-elf.h:
3106 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3107 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3109 * config/elfos.h, config/freebsd.h, config/linux.h,
3110 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3111 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3112 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3113 of ASM_FILE_START which merely emit a .version directive. Delete
3114 definitions of ASM_FILE_END which merely emit an .ident directive.
3116 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3117 ASM_IDENTIFY_GCC and move part of its logic into
3120 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3121 config/sparc/linux-aout.h: Don't emit .version directive in
3124 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3125 (output_file_start): Correct comment.
3127 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3128 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3130 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3131 * config/rs6000/aix.h: Correct comment.
3133 * config/i386/i386afe.h: Delete.
3134 * config.gcc: Remove references to i386afe.h.
3136 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3137 other macros deleted by this patch were undocumented.
3139 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3141 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3143 * pa.c (secondary_reload_class): SAR<->FP copies require a
3146 * install.texi (mips-mips-bsd): Update list of functions
3147 required to include memmove.
3148 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3149 used functions to include memmove.
3151 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3153 * i386.md (sqrtdf2): SFmode should be DFmode.
3155 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3157 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3158 (find_moveable_store): Likewise.
3160 2001-04-15 Jim Wilson <wilson@redhat.com>
3162 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3164 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3166 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3167 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3169 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3171 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3174 2001-04-14 Alan Modra <amodra@one.net.au>
3176 * pa.c (force_mode): New function.
3177 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3179 2001-04-13 Jim Wilson <wilson@redhat.com>
3181 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3182 (first_instruction): New static variable.
3183 (rtx_needs_barrier): Return 1 for alloc.
3184 (init_insn_group_barriers): Set first_instruction.
3185 (rws_sum): Delete duplicate definition.
3186 (group_barrier_needed_p): Return 0 when first_instruction true.
3187 (safe_group_barrier_needed_p): Save and restore first_instruction
3188 around group_barrier_needed_p call.
3190 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3192 * expr.h (enum libfunc_index): Add LTI_memmove.
3193 (memmove_libfunc): Define macro.
3194 * optabs.c (init_optabs): Initialize memmove_libfunc.
3195 * expr.c (expand_assignment): Use memmove_libfunc instead of
3198 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3200 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3203 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3205 * Makefile.in (reg-stack.o): Depend on reload.h.
3206 (insn-attrtab.o): Depend on flags.h.
3208 * genattrtab (main): Include flags.h in insn-attrtab.c.
3210 * reg-stack.c: Include reload.h.
3212 * sparc.h (flag_pic): Delete redundant declaration.
3214 * output.h (flag_pic): Likewise.
3216 * tree.h (pedantic): Likewise.
3218 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3220 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3222 * jump.c, regmove.c, toplev.c: Include reload.h.
3224 * reload.h (reload_cse_regs): Declare.
3226 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3227 reload_cse_regs, init_reload, mark_home_live, reload,
3228 init_caller_save): Delete redundant prototypes.
3230 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3234 * regclass.c, ssa.c: Include expr.h.
3236 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3237 gen_move_insn): Delete redundant declarations.
3239 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3241 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3242 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3243 MAKEINFO and MAKEINFOFLAGS too.
3244 (stage4_build): Correctly order -B flags.
3246 2001-04-13 Alan Modra <amodra@one.net.au>
3248 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3249 PIC_OFFSET_TABLE_SAVE_RTX.
3250 (zdepi_cint_p): Describe zdepi insn.
3251 Formatting and white space fixes throughout file.
3253 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3254 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3255 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3256 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3257 (output_64bit_and): Use plain `int's for shift counts.
3258 (output_64bit_ior): Likewise.
3259 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3260 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3263 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3264 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3265 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3266 NEW_HP_ASSEMBLER into one. Kill warnings.
3268 * pa-gas.h: Delete file.
3269 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3270 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3271 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3272 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3274 * config/pa/mill32.S: New file.
3275 * config/pa/mill64.S: New file.
3276 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3277 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3278 * config/pa/t-linux64: New file.
3279 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3280 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3281 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3283 * elfos.h (SELECT_SECTION): Undef before defining.
3284 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3285 (LIB_SPEC): Remove -lmilli.
3286 (DBX_REGISTER_NUMBER): Remove.
3287 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3288 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3289 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3290 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3291 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3292 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3293 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3294 TARGET_GAS): Define.
3295 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3296 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3297 regs if we don't have a prototype.
3298 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3299 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3300 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3301 EH_RETURN_HANDLER_RTX): Define.
3302 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3303 (DWARF_FRAME_REGNUM): Define.
3304 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3305 * pa32-linux.h: New file.
3306 * pa64-linux.h: New file.
3308 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3309 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3310 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3311 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3312 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3313 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3314 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3315 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3316 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3317 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3318 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3319 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3320 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3321 * pa64-hpux.h: New file.
3322 (ASM_FILE_START): Correct typo.
3323 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3324 * config.gcc: Modify for above.
3326 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3328 * jump.c (jump_optimize_1): Don't delete dead stores here.
3329 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3330 prior to running jump optimize before cse2.
3332 2001-04-12 Richard Henderson <rth@redhat.com>
3334 * Makefile.in (regmove.o): Depend on except.h.
3335 * regmove.c: Include it.
3337 2001-04-12 Stan Shebs <shebs@apple.com>
3339 * objc/objc-act.c: Remove all code ifdefed with the never-used
3340 macro OBJC_INT_SELECTORS.
3341 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3342 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3344 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3346 * config/pa/quadlib.c: Add prototypes.
3348 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * bitmap.h (debug_bitmap): Delete redundant prototype.
3352 * rtl.h (get_frame_size): Likewise.
3354 2001-04-12 Jim Wilson <wilson@redhat.com>
3356 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3357 to just emit an fnorm.
3359 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * c-common.h (truthvalue_conversion, type_for_mode,
3362 type_for_size): Delete redundant declarations.
3364 * c-lex.h (is_class_name): Likewise.
3366 * c-tree.h (pedantic, convert, getdecls, gettags,
3367 global_bindings_p, init_decl_processing, insert_block,
3368 maybe_build_cleanup, poplevel, print_lang_decl,
3369 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3370 set_block, incomplete_type_error, build_function_call,
3371 lvalue_or_else, mark_addressable): Likewise.
3373 * expr.h (expand_tree_builtin): Likewise.
3375 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3377 * invoke.texi: Document --param max-gcse-memory.
3379 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3381 * configure.in (errno): Check for declaration.
3382 * configure, config.in: Regenerated.
3384 * system.h (errno): Only declare if not already done.
3386 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3388 * recog.c (general_operand, immediate_operand,
3389 nonmemory_operand): Require CONST_INTs to be sign-extended
3390 values for their modes.
3392 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3394 * expmed.c (store_bit_field): Truncate CONST_INTs.
3395 (expand_mult_highpart, expand_divmod): Likewise.
3396 * expr.c (convert_modes, store_field): Likewise.
3397 * integrate.c (expand_inline_function): Use promote_mode() to
3398 determine whether to convert_modes() an argument as signed
3400 * optabs.c (expand_binop): Get CONST_INT operands
3401 sign-extended for their appropriate modes.
3402 * stmt.c (emit_case_nodes): Convert node values to the
3404 (expand_end_case): Convert minval and range to the appropriate
3406 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3407 the iteration variable.
3408 * varasm.c (immed_double_const): Don't require words to be
3409 narrower than host wide ints to properly sign-extend
3412 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3414 * sh.md (builtin_setjmp_receiver): New expander.
3416 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3418 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3419 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3420 for generating CONST_INT and CONST_DOUBLE.
3422 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3424 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3425 already sign-extended.
3426 (rs6000_emit_prologue): Make register iterator signed.
3427 (rs6000_emit_epilogue): Likewise.
3428 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3430 (movsf split, movdf split): Sign-extend CONST_INTs.
3431 (movdi splits): Likewise.
3433 2001-04-12 Kelley Cook <kelley.cook@home.com>
3435 * config-lang.in (lang_dirs): Add in zlib.
3437 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3439 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3440 operands that make it to RTL.
3442 2001-04-11 Stan Shebs <shebs@apple.com>
3444 Add Darwin (Mac OS X kernel) native support.
3445 * config.gcc (powerpc-*-darwin*): Add native bits.
3446 * config/darwin.c: New file, generic Darwin support functions.
3447 * config/darwin.h: New file, generic Darwin definitions.
3448 * config/darwin-protos.h: New file, generic Darwin prototypes.
3449 * rs6000/darwin.h: New file, Darwin for PowerPC.
3450 * rs6000/t-darwin: New file, Darwin makefile fragment.
3451 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3452 (TARGET_MACHO): Ditto.
3453 (rs6000_abi): Add ABI_DARWIN.
3454 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3455 (RS6000_SAVE_AREA): Ditto.
3456 (FP_ARG_MAX_REG): Ditto.
3457 (RETURN_ADDRESS_OFFSET): Ditto.
3458 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3460 (rs6000_emit_move): Add ABI_DARWIN cases.
3461 (print_operand): Ditto.
3462 (first_reg_to_save): Ditto.
3463 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3464 (debug_stack_info): Ditto.
3465 (rs6000_emit_prologue): Ditto.
3466 (rs6000_emit_epilogue): Ditto.
3467 (output_profiler_hook): Ditto.
3468 (output_function_profiler): Ditto.
3469 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3470 (output_mi_thunk): Add TARGET_MACHO case.
3471 (add_compiler_stub): Ditto.
3472 (output_compiler_stub): Ditto.
3473 (no_previous_def): Ditto.
3474 (output_call): Ditto.
3475 (machopic_output_stub): Ditto.
3476 (rs6000_machopic_legitimize_pic_address): Ditto.
3477 (toc_section): Ditto.
3478 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3479 (macho_high): Ditto.
3482 (load_macho_picbase): Ditto.
3483 (call): Add TARGET_MACHO case to modify function.
3484 (call_value): Ditto.
3485 (call_nonlocal_sysv): Add ABI_DARWIN case.
3486 (call_value_nonlocal_sysv): Ditto.
3487 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3489 (machopic_output_stub): Ditto.
3490 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3492 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3494 * dwarf2out.c (modified_type_die): Don't create new types here.
3495 * tree.h (get_qualified_type): New function.
3496 (build_qualified_type): Adjust comment.
3497 * tree.c (get_qualified_type): New function.
3498 (build_qualified_type): Use it.
3500 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3502 * cpp.texi (-Wtraditional): Update description.
3504 * invoke.texi (-Wtraditional): Likewise.
3506 2001-04-11 Jim Wilson <wilson@redhat.com>
3508 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3509 requires more than 64 bits of alignment.
3511 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * cpplib.c (do_line): Sanity check iff enable checking.
3515 2001-04-11 Richard Henderson <rth@redhat.com>
3517 * Makefile.in (insn-recog.o): Depend on toplev.h.
3518 (insn-emit.o, doloop.o): Likewise.
3519 * genrecog.c, genemit.c: Include toplev.h in generated file.
3520 * doloop.c: Include toplev.h.
3522 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3524 * Makefile.in (gcse.o): Depend on params.h.
3525 * gcse.c: Include params.h.
3526 (gcse_main): Don't do GCSE if doing so will take inordinate
3528 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3529 * params.h (MAX_GCSE_MEMORY): New macro.
3531 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3533 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3535 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3537 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3541 * real.h (ereal_atof, real_value_truncate, target_isnan,
3542 target_isinf, target_negative, assemble_real, debug_real): Delete
3543 redundant prototypes.
3545 * Makefile.in (ifcvt.o): Depend on toplev.h.
3547 * c-semantics.c: Include expr.h.
3549 * ifcvt.c: Include toplev.h.
3551 * expr.h (rtx_equal_p): Delete prototype.
3553 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3554 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3555 eliminate_constant_term, expand_complex_abs, find_single_use,
3556 make_tree, init_expr_once, init_optabs, supports_one_only):
3559 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3560 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3561 expand_assignment, store_expr, emit_line_note_after,
3562 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3564 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3566 * sparc-protos.h: Delete redundant prototypes.
3568 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3570 * reload.c (push_reload): Add condition missed in SUBREG byte
3573 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3575 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3577 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3579 * i386.md (floatsisf_sse): Fix output template
3580 * i386.c (ix86_expand_fp_movcc)
3582 * reg-stack.c (emit_pop_insn): Handle complex modes.
3583 (move_for_stack_reg): Emit proper move mode.
3584 (subst_stack_regs_pat): Handle complex modes.
3586 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3588 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3590 2001-04-10 Richard Henderson <rth@redhat.com>
3592 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3593 (__pure_virtual, __terminate, __terminate_set_func,
3594 __default_terminate, __throw_type_match, __empty,
3595 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3596 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3597 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3598 Remove prototypes of deleted functions.
3600 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602 * c-typeck.c (convert_arguments): -Wtraditional now activates
3603 -Wconversion warnings, except for changes in signed-ness.
3604 Detect complex<->int & int<->complex conversions as well.
3606 * invoke.texi (-Wtraditional): Document it.
3608 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3610 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3611 * flow.c (set_block_for_new_insns): Remove needless cast and
3612 properly check for unset block number.
3614 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3616 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3617 the subreg was a hard register. Pseudos are left as subregs.
3619 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3621 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3622 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3623 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3624 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3625 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3627 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3629 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3631 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3633 * output.h (set_block_num): Missed it earlier, remove deprecated
3636 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3638 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3639 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3640 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3641 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3642 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3643 (expr_killed_p): Change bb parameter from int to basic_block, pass
3644 basic_blocks instead of ints as parameters.
3645 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3646 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3647 from int to basic_block, pass basic_blocks instead of ints as parms.
3648 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3649 parameter from int to basic_block, pass basic_blocks instead of ints.
3650 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3651 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3652 pass basic_blocks instead of ints.
3653 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3654 basic_blocks instead of ints as parameters.
3655 (pre_delete): Pass basic_blocks instead of ints as parameters.
3656 (hoist_expr_reaches_here_p): Change bb parameter from int to
3657 basic_block, pass basic_blocks instead of ints.
3658 (hoist_code): Pass basic_blocks instead of ints as parameters.
3659 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3660 Change bb parameter from int to basic_block.
3661 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3662 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3663 pass basic_blocks instead of ints.
3664 (insert_store): Pass basic_blocks instead of ints as parameters.
3665 (replace_store_insn, delete_store): Change bb parameter from int to
3666 basic_block, pass basic_blocks instead of ints.
3667 (store_motion): Pass basic_blocks instead of ints as parameters.
3669 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3671 * basic-block.h (set_new_block_for_insns): New Prototype.
3672 (set_block_num): Delete prototype.
3673 * flow.c (set_block_num): Remove obsolete function.
3674 (set_block_for_new_insns): Set BB for single or multiple insns.
3675 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3676 (process_insn_end_bb): Use set_block_for_new_insns or
3677 set_block_for_insn instead of set_block_num.
3678 (pre_insert_copy_insn): Use set_block_for_new_insns.
3679 (update_ld_motion_stores): Use set_block_for_new_insns.
3680 (insert_insn_start_bb): Use set_block_for_new_insns.
3681 (replace_store_insn): Use set_block_for_new_insns.
3683 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3684 Jeff Law <law@redhat.com>
3686 * alias.c (get_addr): Externalize.
3687 (canon_true_dependence): New function. Behaves like true_dependance
3688 except it already assumes a MEM has been canonicalized.
3689 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3690 * gcse.c (struct ls_expr): Add load/store expressions structure.
3691 (modify_mem_list, canon_modify_mem_list): New variable.
3692 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3693 load motion and store motion if requested.
3694 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3695 (free_gcse_mem): Free the modify_mem_list array.
3696 (oprs_unchanged_p): Use load_killed_in_block_p.
3697 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3698 (mems_conflict_for_gcse_p): New function. Don't kill loads
3699 with stores to themselves if its in the load/store expression list.
3700 (load_killed_in_block_p): New function.
3701 (canon_list_insert): New Function.
3702 (record_last_mem_set_info): Keep a list of all instructions which
3703 can modify memory for each basic block.
3704 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3705 (oprs_not_set_p): Use load_killed_in_block_p.
3706 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3707 (expr_killed_p): Use load_killed_in_block_p.
3708 (compute_transp): Do not pessimize memory references.
3709 (pre_edge_insert): Update stores for a load motion expression.
3710 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3711 (ldst_entry): Find or create a ldst_expr structure.
3712 (free_ldst_entry): Free memory for an individual item.
3713 (free_ldst_mems): Free entire load/store expression list.
3714 (print_ldst_list): Print debug info.
3715 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3716 (enumerate_ldsts): Assign integer values to each entry in list.
3717 (first_ls_expr): First expression in the list.
3718 (next_ls_expr): Next expression in the list.
3719 (simple_mem): Check if expression qualifies for ld/st expression list.
3720 (invalidate_any_buried_refs): Remove from expression list if its
3721 used in some other way we dont understand.
3722 (compute_ld_motion_mems): Find all potential enhanced load motion
3724 (trim_ld_motion_mems): Remove any expressions which are invalid.
3725 (update_ld_motion_stores): Copy store values to registers for loads
3726 which have been moved.
3727 (regvec, st_antloc, num_store): New global statics.
3728 (reg_set_info): Marks registers as set.
3729 (store_ops_ok): Verfies registers expressions are valid in a block.
3730 (find_moveable_store): Look for moveable stores in a pattern.
3731 (compute_store_table): Find stores in a function worth moving, maybe.
3732 (load_kills_store): Check dependance of a load and store.
3733 (find_loads): Find any loads in a pattern.
3734 (store_killed_in_insn): Check if a store is killed in an insn.
3735 (store_killed_after): Check is store killed after an insn in a block.
3736 (store_killed_before): Check is store killed before an insn in a block.
3737 (build_store_vectors): Generate the antic and avail vectors.
3738 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3739 (insert_store): Add a store to an edge.
3740 (replace_store_insn): Replace a store with a SET insn.
3741 (delete_store): Delete a store insn.
3742 (free_store_memory): Free memory.
3743 (store_motion): Perform store motion.
3744 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3745 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3746 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3747 (f_options): Add gcse-lm and gcse-sm.
3749 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3751 * i386.c (expand_fp_movcc): Fix condition reversal code.
3753 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3754 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3755 (CLASS_MAX_NREGS): Use it.
3757 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3758 handle properly complex values.
3759 (CLASS_MAX_NREGS): Likewise; update comment.
3761 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3763 * ia64.c (ia64_flag_schedule_insns2): New variable.
3764 (ia64_override_options): Initialize it. Clear
3765 flag_schedule_insns_after_reload.
3766 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3768 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3770 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3771 Do not require source to match destination anymore;
3772 Add abort to the nontrivial cases that should be handled by split.
3773 (fix_trunc?fdi): Add SSE case for x86_64.
3774 (floatdi?f): Likewise.
3775 (floatdi?f_sse): New.
3776 (fix_trunc?fdi_sse): New.
3778 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3780 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3781 (DEBUG_ARANGES_END_LABEL): Ditto.
3782 (dwarfout_init): Generate length and version fields at the start
3783 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3784 after the length field.
3785 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3786 the .debug_aranges info.
3788 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3790 * i386.c (call, call_value): Make sure that resulting call_insn
3791 does have proper second operand.
3793 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3795 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3796 function. Remove include of sys/cygwin.h.
3798 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3800 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3801 (CPP_SPEC): Always search */include/w32api for header files.
3802 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3803 (LINK_SPEC): Add "cyg" to the library search prefixes.
3805 2001-04-08 Philip Blundell <philb@gnu.org>
3807 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3809 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3811 * cpperror.c (print_location): Don't special case <stdin>.
3812 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3813 WARNING, but we don't check if we're in system headers.
3814 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3815 * cpplib.c (do_warning): Warn in system headers.
3817 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3819 * mbchar.c: Include config.h first.
3821 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3823 * config.gcc: Set default for xmake_file at top, not bottom.
3824 Change places that set xmake_file to "none" to set to the
3825 empty string instead, or remove them entirely if there is no
3826 default xmake_file for this cpu_type. Remove references to
3829 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3830 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3831 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3832 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3833 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3834 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3835 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3836 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3837 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3838 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3841 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3842 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3843 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3844 config/mips/x-sysv, config/rs6000/x-aix31:
3845 Just set CLIB to -lld or -lmld, as appropriate.
3847 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3848 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3849 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3850 config/mips/x-iris, config/pa/x-pa:
3851 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3852 OTHER_FIXINCLUDES_DIRS.
3854 * config/i386/x-djgpp: Don't set LN or LN_S.
3855 * config/m88k/x-dolph: Don't define __m88k__.
3856 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3857 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3858 * config/i860/fx2800.h: No need to #undef SVR4.
3860 38 x-host fragments remain, 2 x-cpu.
3862 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3864 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3866 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3868 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3870 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3872 * configure.in: Add check for lstat.
3873 * configure, config.in: Regenerate.
3874 * cppinit.c (append_include_chain): Make empty path ".".
3875 * cpplib.c (do_line): Don't simplify #line paths.
3876 * cppfiles.c (remove_component_p): New function.
3877 (find_or_create_entry): Acknowledge stat () errors during
3878 path simplification.
3879 (handle_missing_header): Don't simplify paths.
3880 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3881 the empty path untouched. Don't leave a trailing '/'.
3883 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3885 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3886 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3888 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3890 * cppfiles.c (open_file): Fail directories silently, but
3891 with an errno of NOENT set.
3892 (read_include_file): Move the common exit code to the sole
3893 caller. Return an int indicating success or failure. Let
3894 open_file handle directories.
3895 (stack_include_file): If read_include_file fails,
3896 push a "null" buffer.
3898 2001-04-05 DJ Delorie <dj@redhat.com>
3900 * function.h (virtuals_instantiated): Declare.
3901 * function.c: (virtuals_instantiated): Make global.
3902 * calls.c (emit_library_call_value_1): Use
3903 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3904 Otherwise, use the stack pointer directly.
3906 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3908 * i386.c (x86_initialize_trampoline): New global function.
3909 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3910 (INITIALIZE_TRAMPOLINE): Move offline.
3911 * i386-protos.h (x86_initialize_trampoline): Declare.
3913 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3915 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3916 (lea_0): Rename to lea_1.
3917 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3918 (lea_general_?): Allow SImodes on TARGET_64BIT
3919 (lea_general_?_zext): New patterns.
3920 (call_1, call_1_rex64): Fix.
3922 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3924 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3926 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3928 * i386.c (function_arg): Return constm1_rtx for last argument.
3929 (ix86_expand_prologue): Update gen_call calls.
3930 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3931 * i386.md (call_pop): Likewise.
3932 (call): Second operand is VOIDmode.
3933 (call_0): Likewise; Support 64bits.
3934 (call_exp): New expander.
3935 (call_1): Get to the sync.
3936 (call_1_exp): New pattern.
3937 (call_value): Support 64bit.
3938 (call_value_exp): New pattern.
3939 (untyped_call): Update gen_call call.
3940 (call_value_pop): Disable for 64bit.
3941 (call_value_0_rex64): New pattern.
3942 (call_value_1_rex64): Likewise.
3944 2001-04-05 Bo Thorsen <bo@suse.de>
3946 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3948 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3950 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3951 satisfies ANY_QI_REG_P.
3953 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3955 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3958 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3961 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3963 * config.gcc: Remove default for xm_file. Clean up local
3964 machine type handling. Remove settings of xm_file to
3965 something that doesn't exist. In the big switch, set xm_file,
3966 don't append to it (the value before the big switch is always
3967 null). Don't force build_xm_file or host_xm_file to have a value.
3968 * configure.in: Remove default for xm_file. Do not special
3969 case $cpu/xm-$cpu.h not existing.
3970 * configure: Regenerate.
3972 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3974 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3975 when folding integer division and modulo operations.
3977 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3979 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3980 instead of DWARF2_ADDR_SIZE for EH addresses.
3981 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3984 2001-04-04 Richard Henderson <rth@redhat.com>
3986 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3987 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3988 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3990 2001-04-04 Richard Henderson <rth@redhat.com>
3992 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3993 * configure: Rebuilt.
3995 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3997 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3998 push insns to delete to it instead of deleting them.
3999 (delete_null_pointer_checks): Delete insns from delete_list after
4000 all delete_null_pointer_checks_1 passes are done.
4002 2001-04-04 Richard Henderson <rth@redhat.com>
4004 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4005 * configure: Rebuilt.
4007 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4009 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4010 * config/romp/xm-romp.h: Delete.
4012 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4014 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4017 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4019 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4020 all labels present in rtx.
4021 (try_split) Call new function for all split insns.
4023 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4025 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4026 sure the change won't be validated.
4028 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4030 * rtl.h (set_noop_p): Declare.
4031 * flow.c (set_noop_p): Move from here ...
4032 * rtlanal.c (set_noop_p): ... to here and enhance.
4033 * cse.c (delete_trivially_dead_insns): Use it.
4034 * gcse.c (hash_scan_set): Likewise.
4035 * jump.c (delete_noop_moves): Likewise.
4036 * recog.c (split_all_insns): Likewise.
4038 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4040 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4041 stack pointer via a LO_SUM. Ditto for setting a temp register
4042 used to save to the stack. Set cfa_temp when setting fp, and
4043 allow matches to cfa_temp in addition to cfa_store when saving
4044 regs. Handle POST_INC and LO_SUM register stores. Document the
4045 changes and errors in rule 12 doco.
4047 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4048 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4049 (load_reg): Move closer to epilogue code.
4050 (DO_FRAME_NOTES): Define to control the following..
4051 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4052 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4054 (hppa_expand_epilogue): Likewise.
4056 2001-04-03 Richard Henderson <rth@redhat.com>
4058 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4059 * configure: Rebuild.
4061 2001-04-03 Richard Henderson <rth@redhat.com>
4063 * rtl.h (LCT_THROW): New.
4064 * calls.c (emit_library_call_value_1): Handle it.
4065 * except.c (connect_post_landing_pads): Use it.
4067 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4069 * gansidecl.h: Delete file.
4070 * configure.in: Change all refs to gansidecl.h to use
4071 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4073 * configure: Regenerate.
4075 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4076 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4077 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4078 Don't include gansidecl.h.
4079 * intl.c, main.c, version.c, fixinc/fixlib.h,
4080 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4083 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4085 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4088 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4090 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4091 config/i386/xm-next.h, config/i386/xm-sco.h,
4092 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4093 config/m88k/xm-m88k.h: Delete.
4095 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4096 * config/romp/xm-romp.h: Don't define bcopy.
4097 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4098 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4100 * config.gcc: Remove references to deleted files.
4102 14 xm-host.h remain, 1 xm-cpu.h.
4104 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4105 David S. Miller <davem@pierdol.cobaltmicro.com>
4106 Andrew MacLeod <amacleod@redhat.com>
4108 Use byte offsets in SUBREGs instead of words.
4110 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4111 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4112 to pass new argument.
4113 (add_stored_regs): Use subreg_regno_offset function.
4114 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4116 (precompute_arguments): Use gen_lowpart_SUBREG.
4117 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4118 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4119 (simplify_set): Rework to use SUBREG_BYTE.
4120 (expand_field_assignment): Use SUBREG_BYTE.
4121 (make_extraction): Use SUBREG_BYTE.
4122 (if_then_else_cond): Use SUBREG_BYTE.
4123 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4124 (gen_lowpart_for_combine): Compute full byte offset.
4125 * cse.c (mention_regs): Use SUBREG_BYTE.
4126 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4127 (canon_hash): Use SUBREG_BYTE.
4128 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4129 (gen_lowpart_if_possible): Formatting.
4130 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4132 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4133 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4134 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4135 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4136 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4137 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4138 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4139 certain invariants about SUBREGs the compiler creates.
4140 (gen_lowpart_SUBREG): New function.
4141 (subreg_hard_regno): New function to get the final register number.
4142 (gen_lowpart_common): Use SUBREG_BYTE.
4143 (gen_imagpart): Spacing nits.
4144 (subreg_realpart_p): Use SUBREG_BYTE.
4145 (gen_highpart): Use SUBREG_BYTE.
4146 (subreg_lowpart_p): Always compute endian corrected goal offset,
4147 even at the byte level, then compare against that.
4148 (constant_subword): New function, pulled out all constant cases
4149 from operand_subword and changed second argument name to offset.
4150 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4151 and call constant_subword to do the work. Return const0_rtx if
4152 looking for a word outside of OP.
4153 (operand_subword_force): Change second arg name to offset.
4154 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4155 (store_split_bit_field): Use SUBREG_BYTE.
4156 (extract_bit_field): Use SUBREG_BYTE.
4157 (extract_split_bit_field): Use SUBREG_BYTE.
4158 (expand_shift): Use SUBREG_BYTE.
4159 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4160 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4161 * flow.c (set_noop_p): Use SUBREG_BYTE.
4162 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4163 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4164 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4166 (optimize_bit_field): Use SUBREG_BYTE.
4167 (purge_addressof_1): Use SUBREG_BYTE.
4168 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4169 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4170 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4171 * gengenrtl.c (special_rtx): Add SUBREG.
4172 * global.c (mark_reg_store): Use SUBREG_BYTE.
4173 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4174 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4175 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4176 final byte offset is congruent to subreg's mode size.
4177 (subst_constants): Use SUBREG_BYTE.
4178 (mark_stores): Use subreg_regno_offset function.
4179 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4180 function and SUBREG_BYTE.
4181 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4182 (reg_is_born): Use subreg_hard_regno.
4183 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4184 endian correction code. Don't combine subregs unless resulting
4185 offset aligns with type. Fix subreg constant extraction for DImode.
4186 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4187 (general_operand): Remove dead mode_altering_drug code.
4188 (indirect_operand): Use SUBREG_BYTE.
4189 (constrain_operands): Use subreg_regno_offset function.
4190 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4191 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4192 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4193 * regs.h (REG_SIZE): Allow target to override.
4194 (REGMODE_NATURAL_SIZE): New macro which target can override.
4195 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4196 on the entire subreg rtx.
4197 (push_reload): Use SUBREG_BYTE in comments and code.
4198 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4199 for hard registers inside subregs.
4200 (operands_match_p): Use subreg_regno_offset.
4201 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4202 containing hard regs.
4203 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4204 corrections when fixing up MEM subregs.
4205 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4206 subreg_regno_offset where appropriate.
4207 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4208 byte endian corrections when fixing up MEM subregs.
4209 (subst_reloads): When combining two subregs, make sure final
4210 offset is congruent to subreg's mode size.
4211 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4212 (refers_to_regno_for_reload_p): Use subreg_regno.
4213 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4214 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4215 correction code for memory subreg fixups.
4216 (forget_old_reload_1): Use subreg_regno_offset.
4217 (choose_reload_regs): Use subreg_regno.
4218 (emit_input_reload_insns): Use SUBREG_BYTE.
4219 (reload_combine_note_store): Use subreg_regno_offset.
4220 (move2add_note_store): Use subreg_regno_offset.
4221 * resource.c (update_live_status, mark_referenced_resources): Use
4222 subreg_regno function.
4223 (mark_set_resources): Use subreg_regno function.
4224 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4225 (subreg_regno_offset, subreg_regno): Define prototypes.
4226 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4227 (gen_lowpart_SUBREG): Add prototype.
4228 * rtl.texi (subreg): Update to reflect new byte offset representation.
4229 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4230 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4231 (reg_overlap_mentioned_p): Use subreg_regno.
4232 (replace_regs); Make sure final offset of combined subreg is
4233 congruent to size of subreg's mode.
4234 (subreg_regno_offset): New function.
4235 (subreg_regno): New function.
4236 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4237 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4238 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4239 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4240 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4241 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4242 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4243 (print_operand): Use SUBREG_BYTE.
4244 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4245 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4246 (arm_reload_out_hi): Use SUBREG_BYTE.
4247 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4248 instead of SUBREG_WORD.
4249 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4250 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4251 SUBREG creation to use byte offset.
4252 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4253 inverted load insns): Fix explicit rtl subregs to use byte
4255 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4256 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4257 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4258 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4259 to use byte offsets.
4260 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4261 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4262 offsets, also make sure it is congruent to SUBREG's mode size.
4263 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4264 unnamed ldob insn): Generate SUBREGs with byte offset.
4265 (zero_extendqihi2): SUBREG's are byte offsets.
4266 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4267 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4268 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4269 zero-extendqisi2): Generate SUBREGs with byte offset.
4270 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4271 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4272 subregs in rtl to use byte offsets.
4273 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4274 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4275 (mips_move_2words): Use subreg_regno_offset.
4276 (mips_secondary_reload_class): Use subreg_regno_offset.
4277 * config/mips/mips.md (DImode plus, minus, move, and logical op
4278 splits): Fixup explicit subregs in rtl to use byte offsets.
4279 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4280 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4281 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4282 rtl to use byte offsets.
4283 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4284 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4285 subregs to use byte offsets.
4286 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4287 Fixup explicit subregs in rtl to use byte offsets.
4288 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4289 and remove byte endian correction code.
4290 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4291 (gen_ashift_hi): Use SUBREG_BYTE.
4292 (regs_used): Use subreg_regno_offset.
4293 (machine_dependent_reorg): Use subreg_regno_offset.
4294 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4295 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4296 (movdf_i4): Subregs are byte offsets now.
4297 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4298 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4299 (REGMODE_NATURAL_SIZE): Override.
4300 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4301 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4303 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4304 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4305 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4306 it is congruent to SUBREG's mode size.
4307 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4309 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4310 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4311 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4312 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4313 * config/v850/v850.c (print_operand, output_move_double): Use
4314 subreg_regno function.
4316 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4318 * configure.in (target_subdir): Use target_alias, not target.
4319 * configure: Rebuilt.
4321 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4323 * config/sh/crti.asm: Fix typos in comments.
4325 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4327 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4328 TARGET_FAST_INDIRECT_CALLS.
4329 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4331 (return_addr_rtx): Short circuit export stub matching when
4332 TARGET_NO_SPACE_REGS.
4333 (output_millicode_call): For out of range calls, make -fPIC
4334 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4335 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4336 * pa.md: Modify length attr calculation of all millicode insns to
4339 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4341 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4342 Require at least 2.11 in the version test. Specifically check
4343 for and reject GAS version 2.10.90.
4344 * configure: regenerate.
4346 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4348 * pa.c (override_options): Remove PIC profiling warning.
4349 (hp_profile_labelno): Delete.
4350 (hp_profile_label_rtx): Delete.
4351 (hp_profile_label_name): Delete.
4352 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4353 (output_function_prologue): Remove profiling code and all tests on
4354 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4355 merge_sp_adjust_with_store can work for PIC and profiling.
4356 (hppa_expand_epilogue): Remove profile_flag test.
4357 (hppa_can_use_return_insn_p): Likewise.
4358 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4359 cater for PROFILE_HOOK.
4360 (hppa_profile_hook): New function.
4361 * pa.h (FUNCTION_PROFILER): Now does nothing.
4362 (PROFILE_HOOK): Define.
4363 (hppa_profile_hook): Declare.
4364 (PROFILE_BEFORE_PROLOGUE): Delete.
4365 (ASM_OUTPUT_REG_PUSH): Delete.
4366 (ASM_OUTPUT_REG_POP): Delete.
4367 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4368 r24. Accept function name operand, and use this and a locally
4369 generated label to calculate pc-rel offset to func start.
4371 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4373 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4374 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4377 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4379 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4380 LO_SUM cases to where they belong.
4382 2001-04-02 Richard Henderson <rth@redhat.com>
4384 * except.h (lang_eh_type_covers): Mark extern.
4385 (lang_eh_runtime_type): Likewise.
4387 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4389 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4390 gengenrtl.c: Wrap generated header in multiple-include guard.
4391 Improve error checking.
4393 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4395 * configure.in: Don't check for putenv.
4396 * configure: Regenerate.
4397 * gcc.c (putenv): Don't define.
4398 * vax/xm-vms.h: Handle putenv.
4400 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4402 * ifcvt.c (noce_emit_move_insn): New.
4403 (noce_try_store_flag, noce_try_store_flag_constants,
4404 noce_try_store_flag_inc, noce_try_store_flag_mask,
4405 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4406 noce_try_abs): Use it.
4407 (noce_process_if_block): Likewise.
4408 For STRICT_LOW_PART, take mode from its SUBREG.
4410 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4412 * fold-const.c (fold): Before optimizing unsigned comparison with
4413 0x7fffffffU, make sure arg0 is integral type.
4415 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4417 * c-tree.texi: Document representation of wide strings.
4419 2001-04-01 Richard Henderson <rth@redhat.com>
4421 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4423 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4425 * i386.md: remove obsoleted comments.
4426 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4427 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4428 fix output template.
4430 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4432 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4434 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4436 * loop.c (load_mems): When generating a load from a pseudo, update
4439 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4441 * i386.c (ix86_split_long_move): Use change address to compensate
4442 stack pointer change in push instruction.
4444 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4447 instead of rtx_equal_p; fix the output template.
4449 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4451 * i386.c (ix86_expand_setcc): Support 64bit.
4452 (ix86_expand_int_movcc): Likewise.
4453 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4456 * i386.md (allocate_stack_worker): Turn to expander.
4457 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4459 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4461 2001-03-29 Richard Henderson <rth@redhat.com>
4463 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4465 2001-03-28 Matthew Hiller <hiller@redhat.com>
4467 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4470 * MAINTAINERS: Added self.
4472 2001-03-28 Richard Henderson <rth@redhat.com>
4474 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4475 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4477 2001-03-28 Jim Wilson <wilson@redhat.com>
4479 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4482 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4484 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4486 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4489 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4491 2001-03-28 DJ Delorie <dj@redhat.com>
4493 * Makefile.in (stage1_build): Revert CFLAGS patch.
4495 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4497 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4498 when multiplier or multiplicand is zero.
4500 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4502 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4504 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4506 (set_src_needs_barrier): Likewise.
4507 (rtx_needs_barrier): For SET case, use these two functions. Rework
4508 PARALLEL case to handle all inputs before all outputs.
4509 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4510 saw a label and no stop bit since then.
4511 (maybe_rotate, process_epilogue): Add prototypes.
4513 2001-03-28 Richard Henderson <rth@redhat.com>
4515 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4516 not TARGET_TOC for special toc restore handling.
4517 * config/rs6000/rs6000.md (eh_return): Likewise.
4519 2001-03-28 Richard Henderson <rth@redhat.com>
4521 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4522 current_function_calls_eh_return.
4523 (output_function_epilogue): Handle eh_return.
4524 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4525 (EH_RETURN_DATA_REGNO): New.
4526 (EH_RETURN_STACKADJ_RTX): New.
4527 (EH_RETURN_HANDLER_RTX): New.
4528 * config/sparc/sparc.md (call/short branch peepholes): Check
4529 can_throw_internal instead of in_same_eh_region.
4531 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4532 for eh_return data registers.
4533 (rs6000_emit_prologue): Save eh_return data registers.
4534 (rs6000_emit_epilogue): Force inline restores if eh_return.
4535 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4536 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4537 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4538 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4539 the target uses one.
4540 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4541 (return_eh_si, return_eh_di): Remove.
4542 (eh_return): New, from corpse of eh_epilogue.
4543 (eh_set_lr_si, eh_set_lr_di): New.
4545 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4546 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4547 True for pic register if current_function_calls_eh_return.
4548 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4549 Handle eh_return requirements.
4550 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4551 (EH_RETURN_STACKADJ_RTX): New.
4552 * config/i386/i386.md (exception_receiver): Remove.
4553 (eh_return, eh_return_1): New.
4554 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4556 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4557 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4558 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4559 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4560 (EH_RETURN_DATA_REGNO): New.
4561 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4562 * config/alpha/alpha.md (eh_epilogue): Remove.
4563 (exception_receiver): Use $26 for ldgp input.
4564 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4566 2001-03-28 Richard Henderson <rth@redhat.com>
4568 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4569 * except.h: Likewise.
4571 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4572 (LIB2ADDEHDEP): New.
4573 (LIB2FUNCS_EH): Remove.
4574 (LIB2ADD): Remove LIB2ADDEH.
4575 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4576 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4577 (crt{begin,end}[S].o): Likewise.
4578 (except.o): Update includes.
4579 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4580 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4582 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4583 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4584 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4585 * builtins.c (expand_builtin): Implement it.
4586 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4587 * c-common.c (c_common_nodes_and_builtins): Declare it.
4588 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4589 * calls.c (libfunc_nothrow): Remove.
4590 (emit_library_call_value_1): Don't call it.
4591 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4592 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4593 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4594 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4595 (current_funcdef_number): Globalize.
4596 (output_call_frame_info): Emit frame data if an lsda is needed.
4597 Generate augmentation for personality routine. Don't play with
4599 (dwarf2out_begin_prologue): Record funcdef_number.
4600 * dwarf2out.h (current_funcdef_number): Declare.
4601 * expr.c (expand_expr): Update for except.h name changes.
4602 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4603 * expr.h (LTI_throw, LTI_rethrow): Remove.
4604 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4605 (LTI_eh_rtime_match): Remove.
4606 (LTI_unwind_resume, LTI_eh_personality): Add.
4607 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4608 * final.c (final): Don't call check_exception_handler_labels,
4609 init_insn_eh_region, or free_insn_eh_region.
4610 (final_scan_insn): Always emit debug labels for
4611 NOTE_INSN_EH_REGION notes.
4612 * flags.h (flag_new_exceptions): Remove.
4613 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4614 (record_active_eh_regions): Remove.
4615 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4616 Use can_throw_internal.
4617 (find_basic_blocks_1): Likewise.
4618 (move_stray_eh_region_notes): Remove.
4619 (find_label_refs): No eh_return_stub_label.
4620 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4621 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4623 (delete_unreachable_blocks): Don't track deleted handlers.
4624 (flow_delete_block): Use maybe_remove_eh_handler.
4625 (delete_eh_regions): Remove.
4626 (merge_blocks): Don't check for eh region match.
4627 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4628 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4629 (init_propagate_block_info): Disable dead frame store optimization
4630 when current_function_calls_eh_return.
4631 (dump_bb): Don't print eh_beg, eh_end.
4632 * function.c (fixup_var_refs): No catch_clauses.
4633 (expand_function_end): Likewise. Call expand_eh_return before
4634 the return register use. Call sjlj_emit_function_exit_after.
4635 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4636 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4637 * ifcvt.c (dead_or_predicable): Remove eh region check.
4638 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4639 Don't check for EH vs parameters.
4640 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4641 (expand_inline_function): Call duplicate_eh_regions.
4642 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4643 (copy_insn_notes): Remap REG_EH_REGION notes.
4644 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4645 * integrate.h (struct inline_remap): Add local_return_label.
4646 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4647 check_exception_handler_labels, nor exception_optimize.
4648 (find_cross_jump): No EH region check.
4649 * optabs.c (init_optabs): Update for changed eh libfuncs.
4650 * rtl.def (RESX): New.
4651 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4652 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4653 checks. Update for except.h name changes.
4654 (expand_cleanups): Likewise.
4655 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4656 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4657 (compile_file): Call init_eh before init_optabs. Don't
4658 output_exception_table here.
4659 (rest_of_compilation): Call convert_from_eh_region_ranges,
4660 convert_to_eh_region_ranges, output_function_exception_table.
4661 Don't emit_eh_context.
4662 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4663 (EXC_PTR_EXPR): New.
4665 * md.texi (eh_epilogue): Remove.
4666 (eh_return): Document.
4667 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4668 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4670 * eh-common.h: Remove file.
4671 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4672 * libgcc2.c (L_eh): Remove.
4674 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4675 * unwind-dw2-fde.h: New file.
4676 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4677 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4678 * libgcc-std.ver: Update for eh symbols.
4680 2001-03-27 Richard Henderson <rth@redhat.com>
4682 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4683 reduce false positives.
4684 (regmove_optimize): Disable if flag_non_call_exceptions.
4686 * stmt.c (expand_return): Remove always true predicate.
4687 (expand_decl_cleanup_no_eh): Remove dead code.
4689 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4690 barrier code. Add a scheduling barrier if a non-call insn
4691 can throw internally.
4693 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4694 Auto-inc addresses trap only if their base register does.
4696 * except.c (can_throw_internal): Rename from can_throw.
4697 * except.h, resource.c: Update references.
4699 * integrate.c (copy_insn_list): Use returnjump_p.
4700 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4702 * function.h (struct function): Move all boolean valued fields
4703 to single bit fields at the end of the struct.
4705 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4707 Rename asynchronous_exceptions to flag_non_call_exceptions.
4709 * gthr-single.h (UNUSED): New. Distinguish between how C
4710 and C++ mark unused function arguments. Use throughout.
4712 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4713 value to target configuration header.
4714 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4715 * config.in, configure: Rebuild.
4716 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4717 configuration and target defines.
4718 (exceptions_via_longjmp): Remove.
4719 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4720 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4722 * except.h (flag_non_call_exceptions): Move ...
4723 * flags.h: ... here.
4725 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4726 exceptions, put the note on the trapping instruction.
4728 * flags.h (flag_new_exceptions): Remove.
4729 * toplev.c: Don't set it.
4730 * final.c: Don't check it.
4731 * except.c: Provide stub definition.
4733 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4734 (calculate_global_regs_live): Kill call-clobbered registers
4735 across exception edges.
4736 * reg-stack.c (convert_regs_1): Kill the entire target stack
4737 across non-call exception edges.
4739 * flow.c (cleanup_cfg): Take no argument.
4740 * output.h, sibcall.c, toplev.c: Update all calls.
4742 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4744 * configure.in: Don't check for bcopy.
4745 * configure, config.in: Regenerate.
4747 * system.h: Don't define or prototype bcopy, instead poison it.
4749 2001-03-27 Richard Henderson <rth@redhat.com>
4751 * function.c (expand_function_start): Set DECL_REGISTER on
4752 a pseudo used for DECL_RESULT.
4754 * rtl.h (LCT_NORETURN): New.
4755 * calls.c (emit_library_call_value_1): Handle it.
4757 2001-03-27 Stan Shebs <shebs@apple.com>
4759 * objc/objc-act.c (objc_init): Use dump_base_name.
4760 (gen_declaration): Clear the buffer arg.
4761 (gen_declaration_1): New function, body of gen_declaration.
4762 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4763 (gen_method_decl): Ditto, plus always clear buffer arg.
4764 (error_with_ivar): Simplify.
4765 (warn_with_method): Ditto.
4766 (build_message_expr): Don't clear buffers.
4767 (dump_interface): Ditto.
4768 (objc_debug): Ditto.
4769 (build_keyword_selector): Clear the buffer by only zeroing
4771 (objc_implementation_context): Declare.
4772 (start_class): Warn about missing @end.
4773 (finish_objc): Ditto.
4775 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4777 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4779 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4781 * Makefile.in (SYSTEM_H): Define.
4782 Depend on $(SYSTEM_H), not system.h.
4784 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4786 2001-03-27 Jim Wilson <wilson@redhat.com>
4788 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4790 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4791 (process_epilogue): New static function.
4792 (process_set): Call process_epilogue instead of emitting .restore
4794 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4796 * flow.c (struct reg_cond_life_info): New fields orig_condition
4798 (init_propagate_block_info): Set new fields.
4799 (mark_regno_cond_dead): Set and use new fields.
4800 (flush_reg_cond_reg_1): Likewise.
4801 (and_reg_cond, case AND): Check for redundant AND conditions.
4802 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4805 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4807 * cppmacro.c (stringify_arg): Null terminate strings.
4809 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4811 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4812 inclusion style. xm-m68hc11.h no longer exists.
4813 * config/m68hc11/xm-m68hc11.h: Delete file.
4814 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4816 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4817 Don't define GCC_VERSION, N_, or PARAMS; don't include
4818 gansidecl.h or stdio.h. Define inhibit_libc here.
4819 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4820 Delete code conditioned on #if GCC_VERSION == 2095.
4822 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4823 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4824 Delete code conditioned on #if GCC_VERSION == 2095.
4826 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4828 * system.h: Include symcat.h.
4829 (STRINGIFY): Don't define.
4831 * configure.in: Adjust comment.
4833 * builtins.c: Use STRINGX, not STRINGIFY.
4834 * gencheck.c: Likewise.
4835 * gengenrtl.c: Likewise.
4836 * protoize.c: Likewise.
4838 * cpplex.c: Don't include symcat.h.
4839 * cpplib.c: Likewise.
4841 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4843 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4845 * c-typeck.c (digest_init): Fold init expression.
4847 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4849 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4851 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4853 * except.c (eh_regs): Save results of build_pointer_type to a temp
4854 as FUNCTION_VALUE macro may evaluate its args multiple times.
4856 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4858 * c-common.h (DECL_NUM_STMTS): New macro.
4859 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4861 (pushdecl): Likewise.
4862 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4863 * integrate.c (expand_inline_function): Don't check
4865 * print-tree.c (print_node): Don't print it.
4866 * toplev.c (rest_of_compilation): Don't try to inline when
4867 flag_no_inline is on.
4868 * tree.h (DECL_FRAME_SIZE): Remove.
4869 (tree_decl): Adjust accordingly.
4871 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4873 * combine.c (try_combine): Use memcpy, not bcopy.
4875 * genattrtab.c (expand_units): Likewise.
4877 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4879 * i386.md (push mem DI peep2): New.
4880 (mov 0, mov -1 peep2): Handle 64bit.
4881 (lea to arithmetics peep2): Handle 64bit leas.
4882 (rsp arithmetics to push/pop peep2s): New.
4884 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4886 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4888 * i386.c (struct machine_function): Add save_varrargs_registers.
4889 (ix86_save_varrargs_registers): New macro.
4890 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4891 (ix86_expand_prologue): Likewise.
4892 (ix86_emit_epilogue_esp_adjustement): Likewise.
4893 (ix86_expand_epilogue): Likewise.
4894 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4895 (pro_epilogue_adjust_stack_1): New insn.
4896 (pro_epilogue_adjust_stack_rex64): Likewise.
4897 * i386.h (MASK_NO_RED_ZONE): New constant.
4898 (TARGET_RED_ZONE): New macro.
4899 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4900 (RED_ZONE_SIZE): New constant.
4901 (RED_ZONE_RESERVE): New constant.
4903 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4907 2001-03-25 Kazu Hirata <kazu@hxi.com>
4909 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4912 (umodhi3): Likewise.
4915 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4917 * mkconfig.sh (DEFINES): Handle entries with '='.
4919 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4920 Set xm_defines to MACRO=value instead.
4922 * i370/xm-mvs.h: Delete.
4924 * ns32k/xm-pc532-min.h: Likewise.
4926 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4928 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4930 use ix86_expand_binary_operator
4931 (?sh??i_?): Disable for 64bit.
4932 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4933 * i386.c (shiftdi_operand): New predicate.
4935 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4936 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4937 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4938 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4939 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4940 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4941 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4942 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4943 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4944 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4945 (rotldi3, rotrdi3): New expanders.
4947 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4949 * i386.md (movstrsi): Move offline.
4951 (strmovdi_rex64): New.
4952 (strmov?i): Accept 64bit.
4953 (strmov?i_rex64): New.
4954 (strmov?i_rex_1): New.
4955 (strmov?i_1): Disable for 64bit.
4956 (rep_mov?i_rex64): New.
4957 (rep_mov?i): Disable for 64bit.
4958 (clrstrsi): Move offline.
4959 (strset?i_rex64): New.
4960 (strset?i: Accept 64bit.
4961 (rep_stos?i): Disable for 64bit.
4962 (rep_stos?i_rex64): New.
4963 (strset?i_rex_1): New.
4964 (strset?i_1): Disable for 64bit.
4965 (cmpstrsi): Accept 64bit.
4966 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4967 (cmpstrqi_nz_rex_1): New.
4968 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4969 (strlensi): Move offline.
4971 (strlenqi_1): Disable for 64bit; fix constraints.
4972 (strlenqi_rex_1): New.
4973 * i386.c (ix86_adjust_counter): New static function.
4974 (ix86_zero_extend_to_Pmode): Likewise.
4975 (ix86_expand_aligntest): Likweise.
4976 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4977 (ix86_expand_movstr): New global function.
4978 (ix86_expand_clrstr): New global function.
4979 (ix86_expand_strlen): New global function.
4980 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4981 ix86_expand_strlen): Declare.
4982 (ix86_expand_strlensi_unroll_1): Delete.
4984 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4986 * i386.md (cmpdi): Fix operand predicates.
4987 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4988 cmpdi_1_insn_rex64): New patterns.
4989 (adddi3): Turn to expander.
4990 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4991 (addsi3_carry_zext): New pattern.
4992 (adddi_?_rex64): New patterns and splitters.
4993 (addsi_?_zext): New patterns.
4994 (subsi3_carry_zext): New pattern.
4995 (subdi_?_rex64): New patterns and splitters.
4996 (iorsi_?_zext): New patterns.
4997 (iordi_?_rex64): New patterns and splitters.
4998 (iorsi_?_zext): New patterns.
4999 (iorsi_?_zext_imm): New patterns.
5000 (xorsi_?_zext): New patterns.
5001 (xordi_?_rex64): New patterns and splitters.
5002 (xorsi_?_zext): New patterns.
5003 (negdi*): New patterns.
5004 (one_cmpldi*): Likewise.
5005 (one_cmplsi*_zext, negsi*_zext): Likewise.
5006 (testqi_ext_3_rex64): New pattern.
5008 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5010 * i386-protos.h (ix86_split_long_move): Return void.
5011 * i386.c (ix86_split_to_parts): Handle 64bit target.
5012 (ix86_split_long_move): Likewise.
5013 * i386.md (all calls to ix86_split_long_move): Update.
5015 2001-03-23 Richard Henderson <rth@redhat.com>
5017 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5018 to avoid shadowing arguments.
5020 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5022 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5023 to variable names where DECL_NAME is different from
5024 DECL_ASSEMBLER_NAME.
5026 2001-03-23 Jim Wilson <wilson@redhat.com>
5028 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5029 (assemble_alias): Call make_decl_rtl.
5031 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5033 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5035 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5037 * extend.texi: Document the "java_interface" attribute.
5039 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5041 * mkconfig.sh: Use a subshell with redirected stdout,
5042 instead of closing stdout and confusing commands that run
5043 afterward. Throw away output of cmp.
5045 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5047 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5049 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5051 * i386.md (zero_extendsidi2_32): Break out from ...
5052 (zero_extendsidi2): ... here ; turn to expander.
5053 (zero_extendsidi2_rex64): New.
5054 (extendsidi2_32): Break out from ...
5055 (extendsidi2): ... here ; turn to expander.
5056 (extendsidi2_rex64): New.
5057 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5058 (trunc?f?f splitters): Add 64bit versions.
5060 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5062 * i386.md (pushsi, pushsi2_prologue): Disable.
5063 (pushsi2_rex64): New.
5064 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5065 (movqi_ext_1): Disable for 64bit.
5066 (movqi_ext_1_rex64): New.
5067 (pushdi2_rex64): New pattern, peep2s and splitter.
5068 (pushdi2_prologue_rex64): New pattern.
5069 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5071 (movdi splitters): Disable for 64bit.
5072 (movdi_1_rex64): New pattern, peep2s and splitters.
5073 (swapdi): New pattern.
5074 (pushsf): Disable for 64bit.
5075 (pushsf_rex64): New pattern and splitter.
5076 (pushdf_nointeger): Disable for 64bit.
5077 (pushdf_integer): Handle the 64bit case.
5078 (pushtf): Likewise; update splitters.
5080 2001-03-22 Richard Henderson <rth@redhat.com>
5082 * mkconfig.sh: Include insn-flags.h.
5083 * Makefile.in (CONFIG_H): Include insn-flags.h.
5084 (lots of objects): Remove insn-codes.h and insn-flags.h.
5086 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5087 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5088 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5089 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5090 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5091 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5092 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5093 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5094 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5095 v850/v850.c, vax/vax.c:
5096 Don't include insn-flags.h.
5098 * diagnostic.c, expr.h, reload.c, toplev.c:
5099 Don't include insn-codes.h.
5101 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5102 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5103 c4x/c4x.c, i960/i960.c, mips/mips.c:
5104 Don't include insn-codes.h or insn-flags.h.
5106 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5107 or insn-flags.h in the generated code.
5108 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5109 (main): Forward declare struct rtx_def.
5111 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5113 * invoke.texi (-ffast-math): Remove duplicate line about
5116 * gcc.texi: Remove more obsolete documentation of bugs and
5117 installation problems.
5119 2001-03-21 Kazu Hirata <kazu@hxi.com>
5121 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5124 2001-03-20 Jason Merrill <jason@redhat.com>
5126 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5128 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5129 * varasm.c (CHKR_PREFIX): Likewise.
5131 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5133 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5134 is part of a multi-SET insn.
5136 * cse.c (find_comparison_args): Remove previous change.
5137 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5140 * config/i386/i386.md (conditional_trap): Remove warning.
5142 * recog.c (push_operand): Fix error in last change that caused
5143 undefined symbol on many targets.
5145 * sdbout.c: #include ggc.h.
5146 (sdbout_init): Move to end of file.
5147 Call ggc_add_tree_root for anonymous_types.
5148 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5149 (sdbout_one_type): Use DECL_NAME for field name.
5150 * Makefile.in (sdbout.o): Show includes ggc.h.
5152 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5154 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5155 (override_options): Use properlimits for preferred_stack_boundary.
5156 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5158 (ext_register_operand): Accept DImode.
5159 (load_pic_register): Abort on 64bit.
5160 (gen_push): Use Pmode instead of SImode.
5161 (ix86_save_reg): Pic reg is never used on 64bit.
5162 (ix86_expand_prologue): Likewise.
5163 (ix86_emit_save_regs): Use Pmode instead of SImode.
5164 (legitimate_address_p): Check displacement for 64bit.
5165 (print_operand): Avoid outputting of (%rip) on 64bit.
5166 (print_operand_address): Output (%rip) where possible.
5167 (split_di): Abort on 64bit registers.
5168 (ix86_expand_branch): DImode comparison is simple for x86_64.
5169 (memory_address_length): Recognize memory addresses formed using
5171 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5173 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5175 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5177 * recog.c (push_operand): Recognize new format of push instructions.
5179 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5181 * i386.md (pushqi1): New.
5182 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5183 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5184 x86_64_immediate_operand, x86_64_immediate_operand,
5185 x86_64_zext_immediate_operand): Declare.
5186 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5187 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5188 x86_64_immediate_operand, x86_64_immediate_operand,
5189 x86_64_zext_immediate_operand): define.
5190 * i386.h (PREDICATE_CODES): Add new predicates.
5192 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5194 * i386.md (pophi1, popqi1, pushqi1): Remove.
5196 * expr.c (emit_single_push_insn): New function.
5197 (move_by_pieces): Accept NULL as destination for push instructions.
5198 (gen_push_operand): Kill.
5199 (emit_push_insn): Pass NULL when pushing; avoid updating of
5200 stack_pointer_delta.
5201 * expr.h (gen_push_operand): Kill.
5203 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5205 * rtl.texi (COMPARE): Clarify documentation and reference section
5208 2001-03-20 Stan Shebs <shebs@apple.com>
5210 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5211 (get_object_reference): Ditto.
5212 (error_with_ivar): Use error_with_file_and_line.
5213 (warn_with_method): Use warning_with_file_and_line.
5215 2001-03-20 Tom Tromey <tromey@redhat.com>
5217 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5219 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5221 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5222 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5224 2001-03-20 DJ Delorie <dj@redhat.com>
5226 * Makefile.in (install-libgcc): Pass complete list of variables.
5227 (install-multilib): Ditto.
5229 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5231 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5232 drectve_section, switch_to_section.
5234 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5235 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5236 i386_pe_mark_dllimport.
5238 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5240 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5241 functions i386_pe_*.
5243 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5244 i386_pe_* functions with char * arguments.
5246 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5248 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5250 (movsi_ie): Introduce fpul store.
5252 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5254 * Makefile.in (OBJS): Remove hashtab.o.
5256 2001-03-19 Stan Shebs <shebs@apple.com>
5258 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5259 * c-lang.c (maybe_objc_method_name): Ditto.
5260 * c-tree.h (maybe_objc_method_name): Remove decl.
5262 2001-03-19 Tom Tromey <tromey@redhat.com>
5264 * gcc.c (init_gcc_specs): Fix comment.
5266 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5268 Compute DECL_ASSEMBLER_NAME lazily.
5269 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5270 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5271 (SET_DECL_ASSEMBLER_NAME): Likewise.
5272 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5273 (set_decl_assembler_name): Declare.
5274 (lang_set_decl_assembler_name): Likewise.
5275 * tree.c (lang_set_decl_assembler_name): New variab.e
5276 (set_decl_assembler_name): New function.
5277 (init_obstacks): Set lang_set_decl_assembler_name.
5278 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5279 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5280 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5281 where it's not necessary.
5282 (builtin_function): Likewise.
5283 (finish_decl): Likewise.
5284 * dbxout.c (dbxout_type_methods): Likewise.
5285 * ggc-common.c (ggc_mark_trees): Likewise.
5286 * profile.c (output_func_start_profiler): Likewise.
5287 * varasm.c (make_decl_rtl): Likewise.
5289 * cse.c (find_comparison_args): Update documentation. Fix
5290 mishandling of COMPARE operations.
5292 * tree.def (ABS_EXPR): Add documentation.
5293 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5295 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5297 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5299 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5301 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5302 Remove ia32 linux PIC kludge and move it...
5303 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5305 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5307 * i386.md (absdf2 expander): Fix 64bit case.
5309 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5311 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5313 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5315 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5317 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5319 * README.X11: Remove obsolete file.
5321 2001-03-18 Anthony Green <green@redhat.com>
5323 * config/pj/pj.h: Remove some trailing commas.
5324 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5326 2001-03-18 Richard Henderson <rth@redhat.com>
5328 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5329 * calls.c: ... here.
5330 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5331 defaults for them here.
5333 2001-03-17 Anthony Green <green@redhat.com>
5335 * config/pj/lib1funcs.S: Fix broken comment.
5336 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5339 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5341 * gcc.texi: Remove obsolete information relating to build and
5342 installation problems with enquire or the Pyramid C compiler.
5344 2001-03-17 Richard Henderson <rth@redhat.com>
5346 * dwarf2out.c (queue_reg_save): New.
5347 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5348 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5350 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5351 (cfa, cfa_store, cfa_temp): Make static.
5352 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5354 2001-03-17 Richard Henderson <rth@redhat.com>
5356 * integrate.h (struct inline_remap): Add local_return_label.
5357 * integrate.c (expand_inline_function): Initialize it and emit
5358 it after copy_insn_notes.
5359 (copy_insn_list): Don't store local_return_label here.
5360 (copy_insn_notes): New function split out from copy_insn_list.
5362 2001-03-17 Richard Henderson <rth@redhat.com>
5364 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5365 is generating .debug_line.
5366 (dwarf2out_init): Add main_input_filename to the file table first.
5367 * configure.in (as_dwarf2_debug_line): Test with file number 1
5368 instead of file number 0.
5370 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5372 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5373 (gen_rtx_combine): Deleted; all references changed as appropriate.
5374 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5376 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5378 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5380 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5383 2001-03-16 Jim Wilson <wilson@redhat.com>
5385 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5386 then set it to LOC_REG (79) instead of aborting.
5388 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5390 * gccbug.in: Remove high priority.
5392 2001-03-16 Richard Henerson <rth@redhat.com>
5394 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5395 output with a space instead of deleting it.
5396 * configure: Regenerate.
5398 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5400 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5401 handles the gory details of converting an object file into
5402 something that's safe to grep.
5403 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5404 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5405 newlines at either end of the string we're looking for.
5406 Make 'checking ...' message less stilted.
5407 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5408 ARM in-memory layout and its hypothetical converse. Don't
5409 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5410 HOST_WORDS_BIG_ENDIAN.
5412 * configure.in: Adjust for renamed macro. Move
5413 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5414 * configure, config.in: Regenerate.
5416 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5418 * fixinc/Makefile.in: Set SHELL.
5420 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5422 * fixinc/fixincl.c (fix_with_system): Quote file names before
5423 passing them to shell.
5425 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5427 * Makefile.in: Use fix-header$(build_exeext) instead
5430 2001-03-16 Richard Henderson <rth@redhat.com>
5432 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5433 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5434 (size_of_line_prolog): Remove.
5435 (output_line_info): Compute prologue size via label difference.
5436 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5438 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5439 assembler error when redefining file numbers.
5440 * config.in, configure: Rebuild.
5442 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5443 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5444 (dw2_asm_output_delta_uleb128): Likewise.
5445 (dw2_asm_output_delta_sleb128): Similarly.
5446 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5448 2001-03-16 Michael Meissner <meissner@redhat.com>
5450 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5452 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5454 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5456 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5457 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5458 being unsigned in ISO C and signed in traditional.
5459 (expand_prologue): Ditto.
5460 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5462 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5464 (divsi3,divdi3): Ditto.
5465 (modsi3,moddi3): Ditto.
5466 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5467 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5468 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5471 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5473 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5474 SSE based conditional moves on LTGT/UNEQ conditions;
5475 Canonicalize EQ to NE.
5476 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5477 (sse_mov?fcc_ne): New.
5479 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5481 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5483 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5484 register may be dead.
5486 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5488 * Makefile.in (hash.o): Depend on CONFIG_H.
5490 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5492 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5494 2001-03-15 Richard Henderson <rth@redhat.com>
5496 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5497 (ASM_OUTPUT_DWARF_PCREL): New.
5498 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5500 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5502 * cppfiles.c (stack_include_file): Use MAX of sysp.
5504 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5506 * config.gcc (ia64*-*-hpux*): New case.
5507 * config/ia64/hpux.h: New file for HP-UX support.
5508 * config/ia64/t-hpux: New file for HP-UX support.
5510 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5512 * fixinc/inclhack.def (irix_stdio_va_list): New.
5513 * fixinc/fixincl.x: Rebuilt.
5515 2001-03-15 Richard Henderson <rth@redhat.com>
5517 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5518 if provided by the target.
5519 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5520 (dw2_asm_output_addr): New.
5521 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5522 * dwarf2out.c (output_cfi): Use it for program addresses.
5523 (output_call_frame_info, output_die): Likewise.
5524 (output_aranges, output_line_info): Likewise.
5526 2001-03-15 Bruce Korb <bkorb@gnu.org>
5528 * gcc.c(main): make more rigorous
5529 * collect2.c(main): guard against ignoring SIGCHLD
5530 * protoize.c(main): ditto
5531 * gcc/fixinc/fixincl.c(initialize): ditto
5533 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5535 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5536 (sdbout_parms): Likewise.
5538 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5540 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5541 "widen" a destination that is already wider than a word. Also do
5542 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5544 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5546 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5548 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5550 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5552 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5554 * i960.h (i960_maxbitalignment,
5555 i960_last_maxbitalignment): Declare.
5556 * i960.c (i960_maxbitalignment,
5557 i960_last_maxbitalignment): Make global.
5558 (process_pragma): Delete.
5559 (i960_pr_align, i960_pr_noalign): Move from here ...
5560 * i960-c.c: ... to this new file.
5561 * t-960bare (i960-c.o): New rule.
5562 * t-vxworks960 (i960-c.o): Likewise.
5563 * config.gcc (i960-*-*): Define c_target_objs and
5566 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5568 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5569 without adding in rtx code and mode.
5571 * alias.c (init_alias_analysis): Don't use any rtx whose value
5572 varies as a known value.
5573 Delete a superfluous test.
5575 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5577 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5578 scheduling a stop bit.
5579 (ia64_emit_nops): Correctly handle ASMs.
5581 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5583 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5585 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5587 * cpp.texi: Update documentation for -include and -imacros.
5588 * cppfiles.c (struct include_file): Remove "defined" memeber.
5589 (find_or_create_entry): Make a copy of the file name, and
5591 (open_file): Update to ensure we use the simplified filename.
5592 (stack_include_file): Don't set search_from.
5593 (cpp_included): Don't simplify the path name here.
5594 (find_include_file): New prototype. Call search_from to
5595 get the start of the "" include chain. Don't simplify the
5597 (_cpp_execute_include): New prototype. Move diagnostics to
5598 do_include_common. Update.
5599 (_cpp_pop_file_buffer): Don't set defined.
5600 (search_from): New prototype. Use the preprocessor's cwd
5601 for files included from the command line.
5602 (read_name_map): Don't simplify the pathname here.
5603 * cpphash.h (enum include_type): New.
5604 (struct buffer): Delete search from. New search_cached.
5605 (_cpp_execute_include): Update prototype.
5606 * cppinit.c (do_includes): Use _cpp_execute_include.
5607 * cpplib.c (do_include_common): New function.
5608 (do_include, do_include_next, do_import): Use it.
5610 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5612 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5613 contents of the RTL, to determine the name of the object.
5615 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5617 * tree.h (DECL_RTL): Allocate RTL lazily.
5618 (SET_DECL_RTL): New macro.
5619 (DECL_RTL_SET_P): Likewise.
5620 (COPY_DECL_RTL): Likewise.
5621 (DECL_RTL_IF_SET): Likewise.
5622 * varasm.c (make_decl_rtl): Add assertions about the kind of
5623 declaration we are processing.
5624 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5625 (start_decl): Likewise.
5626 (finish_decl): Likewise.
5627 * c-semantics.c (emit_local_var): Likewise.
5628 * calls.c (expand_call): Likewise.
5629 * dbxout.c (dbxout_symbol): Likewise.
5630 * emit-rtl.c (unshare_all_rtl): Likewise.
5631 (unshare_all_decls): Likewise.
5632 (reset_used_decls): Likewise.
5633 * expr.c (store_constructor): Likewise.
5634 (safe_from_p): Likewise.
5635 (expand_expr): Likewise.
5636 * function.c (put_var_into_stack): Likewise.
5637 (instantiate_decls_1): Likewise.
5638 (assign_parms): Likewise.
5639 (expand_function_start): Likewise.
5640 (expand_function_end): Likewise.
5641 * ggc-common.c (gcc_mark_trees): Likewise.
5642 * integrate.c (function_cannot_inline_p): Likewise.
5643 (copy_decl_for_inlining): Likewise.
5644 (expand_inline_function): Likewise.
5645 (integrate_parm_decls): Likewise.
5646 (integrate_decl_tree): Likewise.
5647 * print-tree.c (print_node): Likewise.
5648 * reg-stack.c (stack_result): Likewise.
5649 * stmt.c (label_rtx): Likewise.
5650 (expand_return): Likewise.
5651 (expand_decl): Likewise.
5652 (expand_decl_cleanup): Likewise.
5653 (expand_anon_union_decl): Likewise.
5654 * toplev.c (check_global_declarations): Likewise.
5655 (rest_of_decl_compilation): Likewise.
5656 * tree.c (simple_cst_equal): Likewise.
5657 * objc/objc-act.c (generate_static_references): Likewise.
5659 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5661 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5662 gcc_AC_C_FLOAT_FORMAT): New macros.
5663 * configure.in: Add AC_PROG_CPP after CC tests;
5664 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5665 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5666 * configure, config.in: Regenerate.
5668 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5669 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5670 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5671 config/i370/xm-linux.h, config/i370/xm-oe.h,
5672 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5673 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5674 config/pa/xm-linux.h, config/pa/xm-pa.h,
5675 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5676 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5677 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5678 config/we32k/xm-we32k.h: Delete.
5680 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5681 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5682 config/vax/xm-vms.h: Don't define any of:
5683 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5685 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5687 * config.gcc: Remove references to deleted files.
5688 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5689 FATAL_EXIT_CODE, which is the same between oe and mvs).
5691 2001-03-14 DJ Delorie <dj@redhat.com>
5692 Vladimir Makarov <vmakarov@redhat.com>
5694 * config/i960/i960.c (i960_function_prologue): Compute size of
5695 frame according to number of registers actually saved there.
5697 2001-03-14 Richard Henderson <rth@redhat.com>
5699 * expr.c (emit_move_insn_1): Fix else if around #endif.
5701 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5704 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5707 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5709 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5710 (override_options): Parse cmodel string.
5711 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5712 * i386.h (TARGET_OPTIONS): Add "cmodel".
5713 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5715 (ix86_cmodel_string, ix86_cmodel): Declare.
5717 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5720 * i386.h (GENERAL_REG_P): Add missing REG_P.
5722 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5724 * configure.in: Use $gcc_cv_as instead of $as.
5725 * configure: Regenerated.
5727 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5729 * cppfiles.c (stack_include_file): Only increase the include
5730 count if we actually process the file properly, as opposed
5731 to treating it as length zero. Only call read_include_file
5732 if not DO_NOT_REREAD. Handle the -H include file output
5734 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5735 (cpp_included, find_include_file): Simplify pathnames after
5736 remapping them. If remapping, don't use the remapped file
5737 name's buffer as our scratch buffer.
5738 (cpp_pop_file_buffer): Replace the multiple include macro
5739 only if it isn't yet set.
5740 (read_name_map): Simplify remapped names when reading in.
5741 (remap_filename): Move code to code path that uses it.
5742 (_cpp_simplify_pathname): Return the input pointer.
5743 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5745 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5747 * expr.c (expand_expr): Revove bogus conditional.
5749 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5751 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5753 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5755 * reg-stack.c (stack_result): Unconditionally use
5756 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5758 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5760 * expr.c (emit_move_insn_1): Split push of complex value when
5761 no suitable push instruction exist.
5763 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5764 instead of QI_REG_P.
5766 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5768 * alias.c (handled_component_p, can_address_p): New functions.
5769 (get_alias_set): Use them.
5771 2001-03-13 Jim Wilson <wilson@redhat.com>
5773 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5774 from 80 in try_locals code.
5775 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5777 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5779 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5780 gcc_AC_C_LONG_LONG): New.
5781 * configure.in: Use them. Probe the size of short, int, long,
5782 and long long/__int64 if we have them. Move all the AC_C_*
5783 checks together, except gcc_AC_C_CHAR_BIT which has to go
5784 after AC_CHECK_HEADERS(limits.h).
5785 Take hwint.h out of host_xm_file and build_xm_file.
5787 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5788 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5789 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5790 Move the HOST_WIDEST_INT setup logic here from system.h.
5791 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5793 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5794 is now handled by hwint.h.
5796 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5797 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5798 config/ia64/xm-ia64.h: Don't define any of:
5799 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5800 HOST_BITS_PER_LONGLONG.
5802 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5803 config/h8300/xm-h8300.h, config/mips/iris6.h,
5804 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5805 config/sparc/xm-sp64.h: Delete.
5806 * config.gcc: Remove references to deleted files.
5808 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5809 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5810 * config/i370/xm-linux.h: Clarify floating-point situation in
5813 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5815 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5816 (find_include_file): Decide here which part of the include
5817 chain to start the search. Complain about an empty include
5818 chain in all cases apart from an abolsute file name.
5819 (_cpp_execute_include): Don't choose the search chain here.
5820 Don't call handle_missing_include in the case of an empty
5822 (_cpp_compare_file_date): Don't choose the search chain here.
5823 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5824 here from _cpp_execute_include. Behave like #include if
5825 we're in the main file.
5827 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5829 * system.h (malloc, realloc, calloc, strdup): Only poison these
5830 tokens when IN_GCC is defined.
5832 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5834 * i386.md (abs?f expander): Support SSE case.
5835 (abd?f_if): Add new "USE"; add splitters.
5837 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5839 * cpp.texi (poison): Explain the macro expansion exception.
5841 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5843 * expr.c (store_expr): Add dont_store_target. If temp is already in
5844 target before copying to reg, don't store it into target again.
5846 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5848 * cppinternals.texi: Update for file handling.
5850 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5852 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5853 2001-02-24 which broke building the Java library.
5854 * function.c (identify_blocks): Likewise.
5855 (all_blocks): Likewise.
5856 * integrate.c (integrate_decl_tree): Likewise.
5857 * print-tree.c (print_node): Likewise.
5858 * tree.h (BLOCK_NUMBER): Likewise.
5859 (struct tree_block): Likewise.
5861 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5863 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5864 __WCHAR_TYPE__ definition.
5865 (WCHAR_TYPE_SIZE): #undef before #define.
5867 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5869 * cppfiles.c: Update comments.
5870 (destroy_include_file_node): Rename destroy_node.
5871 (find_or_create_entry): New function.
5872 (open_file, _cpp_fake_include): Use it.
5873 (handle_missing_header): New function, broken out of
5874 _cpp_execute include. Don't segfault if there is no
5875 system or quoted path.
5876 (_cpp_execute_include): Use handle_missing_header.
5878 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5880 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5881 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5883 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5885 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5886 unless anti_dependence says they are.
5887 * alias.c (objects_must_conflict): If neither has a type specified,
5890 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5891 David Billinghurst <David.Billinghurst@riotinto.com>
5893 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5895 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5897 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5898 (*_one_bit): Remove type on the match_operand in attributes.
5900 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5902 * i386.c: Commit forgotten hunk in previous patch.
5903 (regclass_map): Add extended registers.
5904 (dbx_register_map): Add missing frame register.
5906 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5908 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5910 * i386.md (x86_sahf_1): Disable for 64bit.
5911 (popsi*, pophi*): Likewise.
5912 (pushqi, pushhi): Likewise.
5913 (movdi, pushdi): Likewise.
5914 (zero extend DImode splitter): Likewise.
5915 (adddi, minusdi splitter): Likewise.
5916 (umulsidi): Likewise.
5918 (mulsidi): Disable for 64bit
5919 (lshift:DI/ashift:DI): Disable for 64bit.
5920 (loop patterns): Likewise.
5921 (call_pop, call_value_pop expanders and patterns): Likewise.
5922 (prologue_get_pc): Likewise.
5924 (fcmovDI pattern and splitter): Likewise.
5925 (movdfcc_1_rex64): New.
5927 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5929 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5930 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5931 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5932 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5933 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5934 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5935 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5936 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5937 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5938 (REGPARM_MAX): Set to 6 for x86_64.
5939 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5940 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5943 * (patterns that does use upper halves): Update constraints
5944 'q' to 'Q' and 'r' to 'R'.
5945 (cmpqi_ext_1): Disable for 64bit.
5946 (cmpqi_ext_3_insn): Likewise.
5947 (movqi_extzv_1): Likewsie.
5948 (addqi_ext_1): Liekwsie
5949 (testqi_ext_1): Liekwsie
5950 (andqi_ext_1): Liekwsie
5951 (xorqi_ext_1): Liekwsie
5952 (cmpqi_ext_1_rex64): New.
5953 (cmpqi_ext_3_insn_rex64): Likewise.
5954 (movqi_extzv_1_rex64): Likewsie.
5955 (addqi_ext_1_rex64): Liekwsie
5956 (testqi_ext_1_rex64): Liekwsie
5957 (andqi_ext_1_rex64): Liekwsie
5958 (xorqi_ext_1_rex64): Liekwsie
5960 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5962 * configure.in: Move check for unsigned enumerated bitfields
5963 to macro in aclocal.m4. Disable it for now.
5964 * configure, config.in: Regenerate.
5965 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5966 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5967 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5968 kind above its first use.
5970 * config/xm-interix.h, config/alpha/xm-alpha.h,
5971 config/i370/xm-linux.h, config/i386/xm-beos.h,
5972 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5973 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5974 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5975 Don't define ONLY_INT_FIELDS under any circumstances.
5977 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5979 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5980 config/sparc/xm-sysv4.h: Delete - now identical with some
5982 * config.gcc (hppa targets): Replace xm-pahpux.h and
5983 xm-papro.h with implicit xm-pa.h.
5984 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5987 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5989 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5990 before reload_cse_noop_set_p.
5992 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5994 * config.gcc: Where xm-host.h used to include another
5995 xm-host.h, list the nested header directly in xm_file. Remove
5996 references to deleted files. Can now use sparc/xm-sp64.h for
5999 * config/xm-linux.h, config/arm/xm-linux.h,
6000 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6001 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6002 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6003 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6004 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6007 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6008 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6009 bother to wrap #undef in #ifdef.
6010 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6011 Don't include xm-linux.h.
6012 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6014 * configure.in: Wrap regexps using [] in changequote block.
6015 Use expr : not echo | grep. Simplify regexps.
6016 * configure: Regenerate.
6018 56 xm-files remain, 22 xm-arch.
6020 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6022 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6023 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6024 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6025 (copy_object): Fix format specifier vs argument mismatch.
6027 * mips-tdump.c: Make local functions static.
6028 (rindex): Don't #undef.
6029 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6030 (fatal, fancy_abort): Delete.
6031 (read_seek): Avoid signed/unsigned compare.
6033 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6035 * combine.c (try_combine): Fix error in change to try original
6037 (gen_rtx_combine): Do same as gen_rtx for now.
6039 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6041 * configure.in: AC_SUBST xm_defines.
6042 * configure: Regenerate.
6043 * Makefile.in: Set DEFINES=$(xm_defines) when building
6046 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6048 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6049 (cpp_included, find_include_file): Update.
6050 (_cpp_compare_file_date): Make else unconditional.
6052 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6054 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6056 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6058 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6059 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6061 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6063 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6064 if it's a record type.
6066 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6068 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6069 mingw includes slightly.
6071 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6073 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6074 #undef token before poisoning it.
6076 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6078 * alpha.c (check_float_value): Use memcpy, not bcopy.
6080 * m32r.c (m32r_sched_reorder): Likewise.
6082 * vax.c (check_float_value): Likewise.
6084 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6086 * toplev.c (file_name_nondirectory): Remove.
6087 * toplev.h: Similarly.
6088 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6089 of file_name_nondirectory.
6091 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6093 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6094 * mips-tfile.c: Don't #undef rindex; not used.
6096 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6098 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6099 (dbx64_register_map): Declare.
6100 (RETURN_ADDR_RTX): Fix for 64bit.
6101 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6102 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6103 * i386.c (dbx64_register_map): New global array.
6104 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6105 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6108 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6110 * cppfiles.c (search_from): Use lbasename.
6111 * mkdeps.c (deps_add_default_target): Use lbasename.
6113 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6115 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6116 xcalloc in lieu of malloc, realloc & calloc.
6118 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6120 * gengenrtl.c (xmalloc): Likewise.
6122 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6123 really_call_* memory allocation routines.
6125 * stmt.c (check_for_full_enumeration_handling): Use
6126 really_call_calloc, not calloc.
6128 * system.h (really_call_malloc, really_call_calloc,
6129 really_call_realloc): Define.
6130 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6132 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6134 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6136 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6138 * configure: Rebuilt.
6139 * configure.in: Only use `lang_requires' for languages athat are
6142 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6144 * invoke.texi: Fix typo.
6145 * gcc.1: Regenerate.
6147 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6149 * configure.in: Prune nonexistent files from build_xm_file,
6150 xm_file, and host_xm_file lists. Warn unless they're
6152 Don't generate *config.h here.
6153 AC_SUBST all variables needed to generate *config.h.
6154 * configure: Regenerate.
6155 * mkconfig.sh: New helper script, from code removed from
6157 * Makefile.in: Zap all MALLOC variables - no longer used
6158 anywhere, and malloc.c doesn't exist.
6159 Substitute in variables needed to generate *config.h.
6160 Stop lying about the dependencies contained in CONFIG_H and
6162 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6163 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6164 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6165 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6166 $(TM_P_H), etc. as appropriate.
6168 * config.gcc: Zap references to deleted files.
6169 * ggc-none.c: Don't include rtl.h or tm_p.h.
6171 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6172 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6173 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6174 config/i386/xm-linux.h, config/i386/xm-linux.h,
6175 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6176 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6177 Don't include i386/xm-i386.h.
6179 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6180 config/i386/xm-i386.h, config/i860/xm-i860.h,
6181 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6182 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6183 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6184 Delete (empty except comments, #includes of other deleted
6185 files, and macros used nowhere).
6187 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6189 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6190 independent on TARGET_FLAGS.
6192 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6194 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6196 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6198 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6200 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6201 LAST_REX_SSE_REG): define.
6202 (enum reg_class): Add 'LEGACY_REGS'
6203 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6204 (SSE_REGNO_P): Recognize extended registers.
6205 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6206 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6207 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6208 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6209 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6210 REG_OK_FOR_STRREG_P): Remove.
6211 (HI_REGISTER_NAMES): Add extended registers.
6212 (ADDITIONAL_REGISTER_NAMES): Likewise.
6213 (QI_REGISTER_NAMES): Add 8bit extended registers.
6214 (DEBUG_REG): Support extended registers.
6215 * i386.c (regclass_map): Add extended registers.
6216 (dbx_register-map): Likewise.
6217 (svr4_dbx_register_map): Likewise.
6218 (print_reg): Support extended registers.
6219 (print_operand): Support 64bit operands.
6221 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6223 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6224 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6225 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6226 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6227 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6228 STACK_BOUNDARY): Set properly for 64bits.
6229 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6230 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6231 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6232 (MOVE_MAX): Set to 16.
6233 (MOVE_MAX_PIECES): 8 for 64bit.
6234 (Pmode): Set to SImode.
6236 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6238 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6240 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6242 * i386.h (mask_64bit): New constant.
6243 (target_64bit): New macro.
6244 (target_options): Add '64'/'32'
6245 (target_default): Define.
6246 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6247 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6248 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6250 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6252 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6254 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6256 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6257 LO_SUM unless for_alias is set.
6259 2001-03-08 Stan Shebs <shebs@apple.com>
6261 * objc/objc-act.c: Fix old typos in comments, add comments for
6263 (hash_init): Fix file name in error message.
6264 (hash_enter): Ditto.
6265 (hash_add_attr): Ditto.
6266 (continue_class): Ditto.
6268 2001-03-08 Bruce Korb <bkorb@gnu.org>
6270 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6271 wait4() can receive the signal.
6273 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6275 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6277 * fixinc/fixincl.x: Regenerate.
6279 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6281 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6283 * fixinc/fixincl.x: Regenerate.
6285 2001-03-08 Richard Henderson <rth@redhat.com>
6287 * configure.in (HAVE_AS_LEB128): New assembler check.
6288 * configure, config.in: Rebuilt.
6290 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6292 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6295 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6297 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6298 references to the MAXPATHLEN macro.
6300 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6301 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6304 * config/i386/xm-gnu.h, config/xm-gnu.h,
6305 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6306 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6307 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6308 and/or unused files.
6310 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6311 doing so in various xm-*.h files.
6313 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6315 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6317 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6319 * configure.in (enable_shared): Support per-package shared-library
6321 * configure: Rebuilt.
6323 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6325 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6326 for crnot. Set operands[5] in splitter.
6328 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6330 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6331 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6332 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6333 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6334 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6335 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6336 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6339 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6340 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6341 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6342 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6343 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6344 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6345 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6346 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6347 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6348 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6349 Delete unused and/or empty files.
6351 * config.gcc: Define USG in xm_defines as appropriate. Define
6352 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6353 macro. Remove deleted xm-* files from $xm_files variable.
6355 2001-03-07 Tom Tromey <tromey@redhat.com>
6357 * configure: Rebuilt.
6358 * configure.in: Allow config-lang.in to set `lang_requires' to list
6359 of other required languages.
6361 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6363 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6365 (output_prologue): Use xmalloc not oballoc.
6366 (output_epilog): Free a29k_first_epilogue_insn when finished.
6367 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6369 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6371 * builtins.c (expand_builtin_mathfn): Check
6372 flag_unsafe_math_optimizations, not flag_fast_math.
6373 (expand_builtin): Likewise
6374 * combine.c (combine_simplify_rtx): Likewise.
6375 (simplify_if_then_else): Likewise.
6376 * cse.c (fold_rtx): Likewise.
6377 * flags.h: Remove flag_fast_math. Add
6378 flag_unsafe_math_optimizations and flag_trapping_math.
6379 * fold-const.c (negate_expr): Check
6380 flag_unsafe_math_optimizations, not flag_fast_math.
6381 (invert_truthvalue): Likewise.
6382 (fold): Likewise. Before associating operands, check that
6383 code == MULT_EXPR, not code != MULT_EXPR.
6384 * ifcvt.c (noce_try_minmax): Check
6385 flag_unsafe_math_optimizations, not flag_fast_math.
6386 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6387 * invoke.texi: Document -funsafe-math-optimizations and
6388 -fno-trapping-math. Change documentation for -ffast-math.
6389 * jump.c (reversed_comparison_code_parts): Likewise.
6390 (rtx_equal_for_thread_p): Likewise.
6391 * optabs.c (emit_conditional_move): Likewise.
6392 * simplify-rtx.c (simplify_binary_operation): Likewise.
6393 (simplify_relational_operation): Likewise.
6394 (simplify_ternary_operation): Likewise.
6395 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6396 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6397 Add trapping-math and unsafe-math-optimizations entries to f_options.
6398 (set_fast_math_flags): New, sets flags for -ffast-math.
6399 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6400 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6401 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6403 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6404 (alpha_emit_conditional_move): Initialize local_fast_math to
6405 flag_unsafe_math_optimizations, not flat_fast_math.
6406 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6407 instead of setting flag_fast_math to 1.
6408 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6410 * config/i386/i386.c (override_options): Likewise
6411 * config/i386/i386.md: Likewise.
6412 * config/m68k/m68k.md: Likewise.
6413 * config/mips/mips.md: Likewise.
6414 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6415 (rs6000_generate_compare): Likewise.
6417 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6419 * Makefile.in: Set RANLIB to @RANLIB@.
6422 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6424 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6425 * fixinc/fixincl.x: Regenerated.
6427 2001-03-07 Richard Henderson <rth@redhat.com>
6429 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6431 2001-03-07 Richard Henderson <rth@redhat.com>
6433 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6434 of block notes and exception handling notes.
6436 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6437 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6438 (compile_file): ... here.
6440 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6442 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6444 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6445 config.h now. Include libiberty.h to handle alloca.
6447 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6449 * c-parse.in (yylexname): New function, split out of _yylex.
6450 (objc_rid_sans_at): New table.
6451 (init_reswords): Initialize it.
6452 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6453 retrieving the next token and checking it for significance as
6454 an ObjC keyword or string constant.
6456 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6457 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6459 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6462 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6464 * config/m68k/m68k.c (const_uint32_operand): Accept any
6465 const_int on a 32-bit host.
6467 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6469 * objc/objc-act.c (init_objc): Set save_lang_status,
6470 restore_lang_status, and mark_lang_status.
6472 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6474 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6476 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6478 * cppinternals.texi: Update.
6480 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6482 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6483 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6484 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6485 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6486 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6487 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6488 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6489 config/i386/xm-i386.h, config/i860/xm-i860.h,
6490 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6491 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6492 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6493 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6494 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6495 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6496 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6497 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6498 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6499 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6500 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6501 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6502 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6503 match the defaults provided in hwint.h.
6505 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6506 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6508 * config.gcc (xm_file): Don't set to files which are deleted.
6510 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6511 guard this file against these macros being undefined.
6513 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6515 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6516 and DECL_DEFER_OUTPUT on the decl we create, before calling
6517 rest_of_decl_compilation.
6519 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6521 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6523 * configure, config.in: Regenerate.
6524 * config.gcc: Remove references to deleted files.
6526 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6527 genrecog.c, rtl.c: Do not use alloca anywhere.
6529 * Makefile.in, build-make, system.h, config/x-interix,
6530 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6531 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6532 config/arc/xm-arc.h, config/arm/xm-arm.h,
6533 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6534 config/h8300/xm-h8300.h, config/i370/x-oe,
6535 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6536 config/i386/x-ncr3000, config/i386/x-sco5,
6537 config/i386/xm-dgux.h, config/i860/x-sysv4,
6538 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6539 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6540 config/m68k/x-hp320g, config/m69k/x-mot3300,
6541 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6542 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6543 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6544 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6545 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6546 config/mips/x-iris, config/mips/x-iris3,
6547 config/mips/x-sni-svr4, config/mips/x-sysv,
6548 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6549 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6550 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6551 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6552 config/pa/xm-papro.h, config/romp/xm-romp.h,
6553 config/rs6000/x-aix31, config/rs6000/x-aix41,
6554 config/rs6000/x-beos, config/rs6000/x-lynx,
6555 config/rs6000/x-mach, config/rs6000/x-rs6000,
6556 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6557 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6558 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6559 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6560 config/vax/xm-vms.h: Eradicate all references to alloca and
6563 * config/xm-alloca.h, config/clipper/x-clix,
6564 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6565 config/i860/x-sysv3, config/m88k/x-sysv3,
6566 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6567 (contained only alloca related hacks).
6569 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6572 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6574 * invoke.texi: Document __FAST_MATH__.
6576 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6578 * crtstuff.c: Restore include of auto-host.h.
6580 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6582 Put main() in a separate file, so that the language
6583 front-end can use a different main().
6586 * toplev.c: (main): Rename as toplev_main.
6587 * toplev.h: Declare toplev_main.
6588 * Makefile.in (OBJS): add toplev.o.
6589 (BACKEND): remove toplev.o, add main.o.
6591 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6593 * cppfiles.c (search_from): Special case the empty string.
6595 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6597 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6598 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6599 strlen or strcpy; we already know the length.
6600 (_cpp_compare_file_date): Similarly.
6601 * cpphash.h (struct cpp_reader): Delete done_initialising.
6602 (CPP_PREV_BUFFER): Delete.
6603 * cppinit.c (cpp_start_read): Don't set done_initialising.
6604 * cpplex.c (parse_string): Guarantee null-termination.
6605 (_cpp_equiv_toklists): Remove.
6606 * cpplib.c (glue_header_name): Null-terminate.
6607 (do_line): Don't leak memory.
6608 * cpplib.h (BT_WEAK): Delete.
6609 * cppmain.c (cb_ident): Strings are now null-terminated.
6611 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6613 * gcc.c (convert_filename): Append executable suffix
6614 if NO_AUTO_EXE_SUFFIX is not defined.
6615 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6616 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6618 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6620 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6621 * c-parse.gperf, c-gperf.h: Delete.
6622 (c-gperf.h was accidently re-added to the CVS repo in the rev
6623 1.16 commit by tromey)
6625 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6627 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6628 macro arguments when looking for the '('.
6629 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6630 2 when really parsing arguments; 1 when looking for '('.
6631 Always restore the lexer position.
6633 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6635 * longlong.h (umul_ppmm): Don't use a multiline string.
6637 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6639 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6640 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6641 t_bool in declaration because pcc can't combine volatile with typedef
6644 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6646 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6647 until when it is really needed.
6648 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6649 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6650 * i386.md (float?i?f splitter): Don't force source operand to memory
6652 (sse_movdfcc): Fix constraint.
6653 (sse_movdfcc splitter): Handle properly the second alternative.
6655 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6657 * cpplex.c (parse_string): Unconditionally pedwarn.
6659 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6662 * cppexp.c (parse_number): Update.
6663 * cpplex.c (parse_string): Pedwarn if multiline string does not
6664 result from a system header's macro.
6665 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6666 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6667 for function-like macros too.
6668 * c-lex.c (lex_number): Update.
6670 2001-03-03 Richard Henderson <rth@redhat.com>
6672 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6674 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6676 * combine.c (try_combine): If split with mode-changed scratch
6677 register didn't work, try the original mode.
6679 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6681 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6682 * config/c4x/c4x.h: Likewise.
6683 * stor-layout.c (compute_record_mode): Likewise.
6684 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6686 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6688 * configure.in: Kill tm.h. Include the files in the $tm_file
6689 list in all three of config.h, hconfig.h, tconfig.h, after the
6690 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6691 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6692 * configure: Regenerate.
6693 * Makefile.in (clean): Don't delete tm.h.
6695 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6696 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6697 those are not defined, set SEC and FEC to 0 and 1.
6698 * gcc.texi: Update to match.
6700 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6701 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6702 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6703 Include tconfig.h, not tm.h.
6705 * config/xm-lynx.h, config/xm-std32.h,
6706 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6707 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6708 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6709 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6710 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6711 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6712 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6713 config/i386/xm-i386.h, config/i860/xm-i860.h,
6714 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6715 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6716 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6717 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6718 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6719 config/pa/xm-linux.h, config/pa/xm-pa.h,
6720 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6721 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6722 config/pj/xm-pj.h, config/romp/xm-romp.h,
6723 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6724 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6725 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6726 config/v850/xm-v850.h, config/vax/xm-vax.h,
6727 config/we32k/xm-we32k.h:
6729 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6731 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6732 config/i370/xm-oe.h: Don't include tm.h. Don't define
6734 * config/vax/xm-vms.h: Don't include tm.h.
6736 * config/xm-lynx.h, config/avr/xm-avr.h,
6737 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6738 Delete; made empty by above changes.
6739 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6740 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6741 Don't include config/xm-lynx.h or tm.h.
6743 * config/xm-gnu.h: Don't include fcntl.h.
6744 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6746 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6748 2001-03-02 Richard Henderson <rth@redhat.com>
6750 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6751 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6753 2001-03-02 Richard Henderson <rth@redhat.com>
6755 * Makefile.in (OBJS): Add dwarf2asm.o.
6756 * dwarf2asm.c, dwarf2asm.h: New files.
6757 * dwarf2out.c (*): Use them.
6758 (size_of_uleb128, size_of_sleb128): Remove.
6759 (output_uleb128, output_sleb128): Remove.
6760 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6761 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6762 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6763 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6764 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6765 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6766 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6767 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6768 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6769 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6770 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6771 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6772 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6773 (dwarf2out_frame_debug): Remove unused variables.
6774 (output_loc_operands): Don't abort on 8 byte constants if
6775 host integers are wide enough.
6776 (output_symbolic_ref): Remove.
6777 (size_of_die): Don't assume 4 byte host integers.
6778 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6780 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6781 something stupid with HOST_WIDE_INT to long truncation.
6782 [CONST_DOUBLE]: Likewise.
6784 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6785 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6786 * config/arm/unknown-elf.h: Likewise.
6787 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6788 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6789 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6790 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6791 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6792 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6793 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6794 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6795 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6796 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6797 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6798 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6800 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6802 * cselib.c (hash_rtx): Cast enums to unsigned int.
6804 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6806 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6807 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6809 * c-format.c (C_STD_VER): Cast to int for comparisons.
6810 (check_function_format): Cast various enums to int for &.
6811 (maybe_read_dollar_number): Likewise.
6812 (check_format_info): Likewise.
6813 (check_format_info_main): Likewise.
6814 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6815 (safe_from_p): Likewise.
6816 * varasm.c (const_hash): Cast enum to int for %.
6817 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6818 pcc enum problems with < and ++ operators.
6819 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6820 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6821 (regclass_init): Change enum class to int to iterate over reg_classes.
6822 * genrecog.c (merge_trees): Cast enums for comparison.
6823 * rtl.h (GET_CODE): Cast to enum rtx_code.
6824 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6825 (GET_MODE): Cast to enum machine_mode.
6826 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6827 (GET_NOTE_INSN_NAME): Cast enum to int.
6828 * tree.h (TREE_CODE): Cast to enum tree_code.
6829 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6830 * timevar.c (timevar_print): Change loop variable id from enum to
6832 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6833 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6834 * toplev.c (compile_file): Cast enum DFI to int.
6835 (decode_d_option): Likewise.
6837 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6839 * cppinit.c (append_include_chain): Mark "after" include file name list
6840 as a system directory.
6841 * cpp.texi: Document new behavior.
6843 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6845 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6847 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6849 * cppfiles.c (struct include_file): Update.
6850 (stack_include_file): Use search_from.
6851 (cpp_included, find_include_file): Update.
6852 (cpp_execute_include): Update. ptr->name may not be
6853 null terminated. Use the new search_from member variable
6855 (_cpp_compare_file_date): Similarly.
6856 (search_from): New function, similiar to actual_directory.
6857 (actual_directory): Delete.
6858 (remap_filename): Update. loc->name may not be null terminated.
6859 (struct file_name_list): Rename search_path. Update.
6860 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6861 search_from and dir.
6862 (struct cpp_reader): Remove actual_dirs.
6863 * cppinit.c (struct cpp_pending): Update for renamed objects.
6864 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6865 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6866 * cpplib.h (struct cpp_options): Similarly.
6868 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6870 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6871 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6872 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6873 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6874 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6875 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6876 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6877 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6878 config/i370/xm-oe.h, config/i386/xm-aix.h,
6879 config/i386/xm-i386.h, config/i386/xm-osf.h,
6880 config/i860/xm-i860.h, config/i960/xm-i960.h,
6881 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6882 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6883 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6884 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6885 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6886 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6887 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6888 config/pj/xm-pj.h, config/romp/xm-romp.h,
6889 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6890 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6891 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6892 config/v850/xm-v850.h, config/vax/xm-vax.h,
6893 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6894 Do not define TRUE or FALSE.
6896 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6897 empty by above change.
6898 * config.gcc: Remove references to these files.
6900 * configure.in: Detect stdbool.h.
6901 * configure, config.in: Regenerate.
6902 * system.h: Include stddef.h here if available.
6903 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6904 Then set up a sensible boolean type at the very end.
6906 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6907 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6909 * hash.h: Delete 'boolean' typedef and related #undefs.
6911 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6912 all uses of 'boolean' with 'bool'.
6914 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6916 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6917 * cppexp.c (lex): Cast enums for comparison.
6918 * cppinit.c (parse_option): Cast enum for comparison.
6919 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6920 (cpp_output_token): Likewise.
6921 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6922 (cpp_avoid_paste): Cast enums for minus and comparison.
6924 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6926 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6927 field to all array elements.
6929 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6931 * cpphash.h (struct cpp_reader): Add print_version field.
6932 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6933 just set print_version and other flags as appropriate.
6934 (cpp_post_options): Print version here if print_version is set.
6936 * toplev.c (exit_after_options): New flag.
6937 (independent_decode_option): Don't exit here; just set
6939 (main): Exit after calling lang_hooks.post_options if
6940 exit_after_options is true.
6942 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6943 (merge_include_chains): Adjust comment to match code.
6945 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6947 * stringpool.c (set_identifier): New function.
6948 * tree.h: Prototype it.
6950 * c-parse.in: Kill D_YES. If compiled for objc, call
6951 save_and_forget_protocol_qualifiers from init_reswords.
6952 * objc/objc-act.c (remember_protocol_qualifiers,
6953 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6954 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6956 (save_and_forget_protocol_qualifiers): New function.
6957 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6959 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6961 * c-semantics.c (prune_unused_decls): Return error_mark_node
6962 instead of (tree) 1 to stop traversing the tree chain.
6964 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6966 Fix a problem introduced by Kenner's Feb 18 change.
6967 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6968 flag_cse_skip_blocks only temporarily, not for ever.
6970 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6972 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6973 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6975 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6976 before determining its register class.
6978 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6980 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6981 from reg 4 if current_function_calls_setjmp.
6982 (gen_nop_type): New function.
6983 (ia64_emit_nops): New function.
6984 (ia64_reorg): Call it.
6985 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6987 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6988 code not to try to optimize adds with anything but a REG destination.
6990 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6991 (INSN_PRIORITY_KNOWN): New accessor macro.
6992 * haifa-sched.c (priority): Use it instead of testing priority against
6995 2001-02-28 DJ Delorie <dj@redhat.com>
6997 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6998 since that doesn't work the way gcc wants on a generic m68k.
7000 2001-02-28 Richard Henderson <rth@redhat.com>
7002 * caller-save.c (save_call_clobbered_regs): Fix typo in
7003 comparison last change.
7005 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7007 * i386.c (pentium4_cost): New.
7008 (m_PENT4): New macro.
7009 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7010 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7011 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7012 x86_memory_mismatch_stall): Add Pentium4
7013 (x86_use_q_reg, x86_use_any_reg): Kill.
7014 (override_options): Add pentium4.
7015 (incdec_operand): Return 0 for pentium4.
7016 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7017 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7018 (TARGET_PENTIUM4): Define.
7019 (enum processor_type): Add PROCESSOR_PENTIUM4.
7020 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7021 * i386.md (attribute "cpu"): Add pentium4.
7022 * invoke.texi (march): Add pentium4.
7024 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7026 * i386.md (sse_mov?fcc*): New patterns and splitters.
7027 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7028 the SSE based conditional moves.
7030 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7032 * i386.md (attribute mode): Add "TI".
7033 (movsf_1): Add pxor support; remove constant propagation splitter.
7034 (movdf_integer): Likewise.
7035 (movdf_nointeger): Likewise.
7036 (movxf constant prop splitter): Handle all modes; update for SSE.
7037 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7038 * i386.c (standard_80387_constant_p): Rewrite.
7039 (standard_sse_constant_p): New.
7040 * i386-protos.h (standard_sse_constant_p): New.
7042 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7044 * i386.md (sse_setccsf, sse_setccdf): New.
7045 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7047 * i386.c (sse_comparison_operator): Accept the supported unordered
7048 comparses; be ready for fast_math.
7049 (print_operand): Support 'D'.
7051 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7053 * jump.c (reversed_comparison_code): Kill.
7055 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7057 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7060 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7062 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7063 add missing '%' in constraints.
7065 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7067 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7068 for HOST_BITS_PER_WIDE_INT == 32 too.
7070 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7072 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7074 (insert_save, insert_restore): New parameter save_mode.
7075 (init_caller_save): Update initialization of reg_save_code
7076 and reg_restore_code.
7077 (save_call_clobbered_regs): Compute save_modes and update calls to
7078 reg_save_code and reg_restore_code.
7079 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7080 of spill; update use of reg_restore_code.
7081 (insert_save): Likewise.
7082 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7083 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7084 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7086 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7088 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7089 noce_try_store_flag_inc, noce_try_store_flag_mask,
7090 noce_try_cmove_arith):
7091 Use reversed_comparison_code instead of reverse_comparison and
7092 can_reverse_comparison_p.
7094 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7096 * jump.c (reversed_comparison_code_parts): Allow reversal of
7097 unordered compares in -ffast-math mode; reverse ordered compares
7098 for FP even w/o -ffast-math.
7100 2001-02-27 Richard Henderson <rth@redhat.com>
7102 * print-rtl.c (print_rtx) [i]: Don't print field five on
7103 NOTEs other than NOTE_INSN_DELETED_LABEL.
7105 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7107 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7108 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7110 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7112 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7113 even if walk_subtrees is 0.
7114 * c-semantics.c (prune_unused_decls): Return a non-null value to
7115 stop traversing the tree chain.
7117 2001-02-27 DJ Delorie <dj@redhat.com>
7119 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7120 register, *then* define it as the new CFA.
7122 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7124 * pa.c (override_options): Promote -fpic to -fPIC.
7125 (legitimize_pic_address): Simplify due to removal of
7126 small PIC as a code generation option.
7127 (secondary_reload_class): Similarly.
7128 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7129 (PRINT_OPERAND_ADDRESS): Similarly.
7130 * pa.md (various patterns): Similarly.
7131 (small pic lo_sum pattern): Remove.
7133 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7136 * md.texi (min, max): Document
7138 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7140 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7141 TARGET_PARTIAL_REG_DEPENDENCY.
7142 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7144 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7148 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7150 * mips.c (mips_make_temp_file): Fix thinko in last change.
7152 2001-02-26 Jason Eckhardt <jle@redhat.com>
7154 * combine.c (known_cond): Do not reverse the condition when
7155 SMAX/UMAX is being considered and the condition is for equality
7158 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7160 2001-02-26 Philip Blundell <philb@gnu.org>
7162 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7164 * config/arm/linux-elf.h: Remove historical relics related to
7165 above configurations.
7166 * config/arm/linux-oldld.h: Delete.
7167 * config/arm/linux-elf26.h: Delete.
7169 2001-02-26 Jason Merrill <jason@redhat.com>
7171 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7173 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7174 recognize a tentative definition. Lose obsolete code.
7176 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7177 variables unless necessary, either.
7179 2001-02-25 Richard Henderson <rth@redhat.com>
7181 * ifcvt.c (struct noce_if_info): Add test_bb.
7182 (noce_get_alt_condition): New.
7183 (noce_try_minmax, noce_try_abs): New.
7184 (noce_operand_ok): New.
7185 (noce_process_if_block): Use them.
7186 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7188 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7190 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7193 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7195 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7196 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7198 (mips_asm_file_end): Free temp_filename here.
7200 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7202 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7203 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7205 * config/i386/i386.md (movstrsi): Handle FAIL case.
7207 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7209 * cppinit.c (builtin_array): Update.
7210 (init_builtins): Flag builtins to warn if redefined or
7211 undefined. Define __GXX_WEAK as a normal macro.
7212 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7213 * cpplib.h (NODE_WARN): New flag.
7214 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7215 Handle __STDC__ as a builtin only on Solaris.
7216 (warn_of_redefinition): Renamed from check_macro_definition.
7217 Reverse sense of test. Always warn if NODE_WARN.
7218 (_cpp_create_definition): Use warn_of_redefinition. Flag
7219 any macro beginning with "__STDC_" to require a mandatory
7220 warning if redefined or undefined.
7222 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7224 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7225 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7226 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7227 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7228 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7229 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7230 Don't define any of:
7231 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7232 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7233 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7234 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7235 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7237 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7238 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7241 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7242 Delete now-empty file.
7244 * alpha/vms.h: Define NEED_ATEXIT here...
7245 * alpha/xm-vms.h: ...not here.
7247 * i386/cygwin.h: Don't define PARAMS.
7248 * mips/mips.c: Don't prototype mktemp. Don't define
7249 P_tmpdir. Use make_temp_file to create temporary files.
7250 Don't be clever and delete temporary files early.
7251 * config.gcc: Drop references to deleted files. Don't define
7253 * gcc.texi: Don't mention USE_PROTOTYPES.
7255 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7257 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7258 (ix86_set_move_mem_attrs_1): Likewise.
7259 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7260 * config/i386/i386.md (movstrsi): Call it.
7262 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7264 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7265 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7266 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7267 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7269 (i750a-*-*): Error here if hosting on i750a.
7270 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7272 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7273 Remove (empty modulo comments).
7275 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7276 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7277 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7278 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7279 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7280 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7282 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7283 Remove reference to winnt.h in comment.
7284 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7286 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7288 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7289 used to set another biv.
7291 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7293 * tree.h (BLOCK_DEAD): New macro.
7294 (struct tree_block): New flag, dead_flag.
7295 * print-tree.c (print_node, case 'b'): Print missing fields.
7296 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7297 * function.c (identify_blocks): Enable test for misplaced notes.
7298 (all_blocks): Skip BLOCK_DEAD blocks.
7299 * integrate.c (integrate_decl_tree): Likewise.
7301 * errors.c (internal_error, trim_filename): New functions.
7302 (fancy_abort): Call internal_error.
7303 * errors.h (internal_error, trim_filename): New declarations.
7305 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7307 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7309 (EXTRA_CONSTRAINT): Formatting changes.
7311 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7315 2001-02-23 Per Bothner <per@bothner.com>
7317 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7318 so they can be called from java/jvspec.c.
7319 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7321 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7323 * i386.c (ix86_frame): New structure.
7324 (ix86_compute_frame_size): Kill.
7325 (ix86_compute_frame_layout): New.
7326 (ix86_save_reg): New.
7327 (ix86_can_use_return_insn_p): Use frame layout stuff.
7328 (ix86_expand_prologue): Likewise.
7329 (ix86_expand_epilogue): Likewise.
7330 (ix86_initial_elimination_offset): Likewise.
7331 (ix86_nsaved_regs): Use ix86_save_reg.
7332 (ix86_emit_save_regs): Likewise.
7334 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7336 * flow.c (find_sub_basic_blocks): New function.
7337 (split_block): Be ready for basic block introduced by CODE_LABEL.
7338 (commit_one_edge_insertion): Call find_sub_basic_block.
7340 * flow.c (make_edges): Add edge from entry for blocks starting with
7341 label having ALTERNATE_NAME
7343 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7345 * function.c (epilogue_done): Be ready for first basic block not
7346 containing PROLOGUE_END note.
7347 (reposition_prologue_and_epilogue_notes): Avoid placing
7348 PROLOGUE_END note between BASIC_BLOCK.
7350 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7352 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7354 2001-02-21 DJ Delorie <dj@redhat.com>
7356 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7357 check for current_function_has_nonlocal_goto from 1999-11-12.
7359 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7361 * diagnostic.c (trim_filename): No longer static.
7362 * toplev.h (trim_filename): Declare.
7363 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7364 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7365 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7366 (rtvec_check_failed_bounds): Likewise.
7367 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7369 * convert.c (convert_to_integer): Don't do unsigned unless result or
7370 both inputs are unsigned.
7372 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7375 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7377 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7379 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7381 * Makefile.in (resource.o): Add params.h dependence.
7382 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7383 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7384 * resource.c: Add dependence on params.h.
7385 (current_live_regs): Fix explanatory comment.
7386 (find_basic_block): Add new parameter to permit limiting search
7388 (mark_target_live_regs): Add new argument to find_basic_block call.
7389 (incr_ticks_for_insn): Likewise.
7391 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7393 * diagnostic.c (output_to_stream): Rename to
7394 output_buffer_to_stream. Loses the stream parameter.
7395 (init_output_buffer): Set diagnosic_buffer's stream.
7396 (flush_diagnostic_buffer): Adjust.
7397 (default_print_error_function): Likewise.
7398 (finish_diagnostic): Likewise.
7399 (verbatim): Likewise.
7401 * diagnostic.h (struct output_buffer): Add `stream' field.
7402 (output_buffer_attached_stream): New macro.
7404 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7406 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7407 check if either operand is divisible by C.
7408 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7409 If type is signed, consider negative numbers as well.
7411 2001-02-22 Richard Henderson <rth@redhat.com>
7413 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7414 reach .text instead of gp-relative relocs.
7415 * config/ia64/crtend.asm (.init): Likewise.
7417 2001-02-22 Andreas Jaeger <aj@suse.de>
7419 * extend.texi (C++ Attributes): Fix typo.
7421 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7423 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7424 functions, drop current_function_args_info.words test.
7425 (ia64_compute_frame_size): Mark syscall_linkage functions as
7426 using eight input registers.
7428 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7429 Bruce Korb <bkorb@gnu.org>
7431 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7432 * fixinc/README: Document how to convert sed substitutions
7433 to format style c_fix-es.
7434 * fixinc/fixincl.x: regen
7436 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7438 * gcc.c: Add comment explaining how to add a command-line option.
7439 Add title to specs language comment.
7441 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7443 * gcc.c (cc1_options): Add "-param".
7444 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7445 (option_map): Likewise.
7446 * toplev.c (display_help): Add entry for "--param".
7447 (independent_decode_option): Fix typographical error.
7449 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7450 Bernd Schmidt <bernds@redhat.com>
7451 Jan Hubicka <jh@suse.cz>
7453 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7454 (function_arg): Likewise.
7456 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7458 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7460 2001-02-21 Kazu Hirata <kazu@hxi.com>
7462 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7466 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7468 * flow.c (init_propagate_block_info): Canon address and use single_set
7469 for killing dead memory stores.
7471 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7473 * Makefile.in (reorg.o): Add params.h dependence.
7474 * params.def: Fix typographical error in comment.
7475 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7476 * params.h: Modify introductory comment.
7477 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7478 * reorg.c: Add dependence on params.h.
7479 (redundant_insn): Add parameterized throttle for search.
7480 (fill_simple_delay_slots): Add a comment explaining a variable.
7481 Move conditional out of loop, simplifying code.
7482 (fill_eager_delay_slots): Fix typographical error in comment.
7484 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7486 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7488 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7489 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7491 2001-02-21 Jason Merrill <jason@redhat.com>
7493 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7494 (struct tree_decl): Add uninlinable bitfield.
7495 * c-decl.c (duplicate_decls): Set it.
7496 * integrate.c (function_cannot_inline_p): Check it.
7498 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7499 DW_AT_MIPS_linkage_name to abstract methods.
7500 (dwarf2out_abstract_function): Emit class context before calling
7501 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7502 (gen_subprogram_die): Remove obsolete code.
7503 (gen_member_die): Don't include clones in the member list.
7504 (gen_decl_die): Emit abstract info for clone origin.
7505 * dwarfout.c (output_type): Don't include clones in the member list.
7506 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7507 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7508 DECL_ABSTRACT on a function that already has it set.
7510 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7511 (get_subprogram_die): Pass it in.
7513 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7515 * flow.c (mark_set_1): Make not_dead unsigned long. For
7516 non-pseudos, use it as a bitmask of the hard regs that
7519 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7521 * cppfiles.c: Update comments.
7522 (_cpp_read_file): Don't check for NULL filenames any more.
7523 * cppinit.c (cpp_start_read): Don't do canonicalization of
7524 in_fname and out_fname. Use the passed file name exclusively.
7525 (_cpp_handle_options): Don't treat "-" as a command line option,
7526 but as a normal filename.
7527 (_cpp_post_options): Canonicalize in_fname and out_fname.
7528 * cppmain.c (printer_init): Don't check out_fname for NULL.
7529 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7530 (init_c_lex): Update, and use "" to represent stdin to CPP.
7533 2001-02-20 Will Cohen <wcohen@redhat.com>
7535 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7536 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7537 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7540 2001-02-20 Stan Shebs <shebs@apple.com>
7542 * config/rs6000/rs6000.c (output_cbranch): Output branches
7543 on separate lines instead of using ';' to separate.
7545 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7547 * cppinit.c (set_lang): Move builtin handling to...
7548 (init_builtins): ...here.
7549 (_cpp_create_reader): Move call to set_lang.
7551 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7553 * stmt.c (expand_return): If an attempt is made to return the
7554 error_mar_node, treat the return like a return without a value.
7556 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7558 * sibcall.c (skip_copy_to_return_value): Call
7559 identify_call_return_value here, and return orig_insn if it
7560 returns zero. Hardret and softret arguments now unnecessary.
7561 (call_ends_block_p): Don't call identify_call_return_value here.
7563 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7565 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7566 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7568 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7570 * pa.c (move_operand): Accept code to load the address of a
7571 symbol out of the DLT as a valid move operand.
7572 (print_operand, case 'A'): New to handle generating a DLT
7573 reference for a LO_SUM expression.
7574 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7575 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7577 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7579 * README, cpp.texi, gcc.texi, version.c: Update version number to
7581 * cpp.1, gcov.1, gcc.1: Regenerate.
7583 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7585 * cppfiles.c (stack_include_file): Generate dependencies
7586 here, and manage include_count here too.
7587 (PRINT_THIS_DEP): Delete.
7588 (_cpp_execute_include): Do not generate dependencies here,
7589 apart from the case of a missing header. Do not manage
7591 (_cpp_read_file): Leave dependency generation to
7594 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7596 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7597 target_cpu_default. Remove dead assignment to
7600 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7602 * regclass.c (contains_reg_of_mode): Make global.
7603 (init_reg_sets): Remove contains_reg_of_mode; take into account
7604 CLASS_MAX_NREGS when looking for the proper mode.
7605 (dump_regclass): Dump only classes considered for the pseudo.
7606 (regclass): Use contains_reg_of_mode.
7608 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7610 * gcc.c (do_spec_1): 'n' for printing notices.
7611 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7613 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7615 * reg-stack.c (next_flags_user): Use current_block->end
7616 (swap_rtx_condition): Look for next user if flags don't die;
7617 give up on CALL_INSNs; use current_block->end.
7619 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7621 * sibcall.c (call_ends_block_p): New function.
7622 (optimize_sibling_and_tail_recursive_call): Use it.
7624 2001-02-18 Kazu Hirata <kazu@hxi.com>
7626 * config/h8300/h8300.md: Update copyright.
7627 (andsi3): Do not output an extra newline character.
7629 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7631 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7632 FNDECL may be unused.
7634 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7635 follow jumps after first run.
7636 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7637 it doesn't change any jumps.
7639 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7641 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7642 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7643 (mostlyclean): Corresponding changes.
7644 * rtlanal.c (hard-reg-set.h): Include.
7645 (rtx_unstable_p): Do not treat the argument pointer specially
7646 if it is not a fixed register.
7647 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7649 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7651 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7652 against last real insn in basic block.
7653 Rework to avoid gotos.
7655 * Makefile.in (gcse.o): Now includes ggc.h.
7656 * gcse.c: Include ggc.h.
7657 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7658 (try_replace_reg): Remove warning of uninitialize variable.
7659 (process_insert_insn): Call invalid_insn_p to validate insn.
7660 * recog.c (insn_invalid_p): Now global.
7661 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7662 * recog.h (insn_invalid_p): New declaration.
7664 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7666 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7667 assignments from FP constants since 'Y' output code can't handle it.
7668 (eligible_for_sibcall_delay): Likewise.
7670 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7671 Call fancy_abort directly, passing args.
7672 (print_rtl_and_abort): Now a macro, like fancy_abort.
7674 * final.c (output_operand_lossage): Use internal_error, not error.
7676 2001-02-18 Shane Nay <shane@agendacomputing.com>
7678 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7679 structure shift insns.
7681 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7683 * invoke.texi (-fsquangle): Remove documentation.
7684 (-fname-mangling-version): Likewise.
7686 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7688 * optabs.c (expand_abs): Remove reference to
7689 HAVE_contitional_arithmetic.
7690 * combine.c (simplify_set): Likewise.
7692 2001-02-18 Richard Henderson <rth@redhat.com>
7694 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7697 2001-02-18 Richard Henderson <rth@redhat.com>
7699 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7701 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7703 * reload1.c (reload_cse_simplify_set): Fix typo.
7705 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7707 * diagnostic.c (_fatal_insn): Decrement errorcount.
7709 * invoke.texi (-I): Add note avoiding use for system header files.
7711 * rtl.h (add_clobbers): Remove duplicate declaration.
7712 * recog.h (added_clobbers_hard_reg_p): New declaration.
7713 * genemit.c (struct clobber_pat): New field has_hard_reg.
7714 (gen_insn): Record if added clobbers clobber hard reg.
7715 (gen_split): Avoid unused warning if number of operands is 0.
7716 (output_added_clobbers_hard_reg_p): New function.
7719 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7721 * pa.c (hppa_expand_prologue): Simplify code storing return
7722 pointer. For large (>=8k) frames with a post_store, adjust stack
7723 pointer by 8k-64 first rather than by 64. When testing with
7724 VAL_14_BITS_P, always use the actual value rather than the value
7725 negated. Add blockage to prevent scheduling of spills before
7726 stack frame has been created.
7727 (hppa_expand_epilogue): Simplify code loading return pointer.
7728 Allow a slightly larger range for merge_sp_adjust_with_load case.
7729 When testing with VAL_14_BITS_P, always use the actual value.
7731 * pa.c (pa_adjust_insn_length): Check that block move
7732 pattern is a set before looking at operands.
7734 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7736 * fold-const.c (fold_binary_op_with_conditional_arg): New
7737 function, split out from ...
7739 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7740 conditional arms that throw exceptions.
7742 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7745 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7747 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7748 define HAVE_DECL_* to 1 to mask potential backup declarations.
7749 * configure: Regenerated.
7751 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7753 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7755 2001-02-17 Richard Henderson <rth@redhat.com>
7757 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7758 when replacing a memory load with a register.
7760 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7761 Jan Hubicka <jh@suse.cz>
7763 * recog.c (validate_replace_src_1): New.
7764 (validate_replace_src_data): Likewise.
7765 (validate_replace_src): Use note_uses.
7766 * rtl.h (note_uses): Declare.
7767 * rtlanal.c (note_uses): New.
7769 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7771 * reg-stack.c (stack_def): Make field reg unsigned.
7772 (remove_regno_note): Unsignetize parameter.
7774 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7776 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7777 shladd_operand() call.
7779 2001-02-16 Bruce Korb <bkorb@gnu.org>
7780 Rodney Brown <RodneyBrown@mynd.com>
7782 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7783 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7784 machine restrictions
7785 * fixinc/fixincl.x: regen
7787 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7789 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7791 (hash_scan_insn): Clean up calls to hash_scan_set.
7792 (compute_kill_rd): REGNO now unsigned.
7793 (try_replace_reg): Rework to use simplify_replace_rtx.
7794 (cprop_jump, cprop_cc0_jump): Likewise.
7795 (cprop_insn): Call find_reg_equal_equiv_note.
7796 Reflect changes to cprop_jump and cprop_cc0_jump.
7798 * recog.c (validate_replace_src): Replace in operands of
7799 ZERO_EXTRACT in SET_DEST.
7801 * cse.c (new_label_ref): New variable.
7802 (insert): Set it instead of recorded_label_ref.
7803 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7804 CODE_LABEL for this function, and not already in REG_LABEL note.
7806 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7808 * resource.c (mark_referenced_resources): Fix typo in introductory
7810 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7813 2001-02-16 Jason Merrill <jason@redhat.com>
7815 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7817 (gen_subprogram_die): Don't abort on seeing a second definition if
7818 the previous one was abstract. Don't replace an abstract instance
7819 in the lookup table.
7821 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7822 gen_abstract_function.
7823 * dwarf2out.h: Declare it.
7824 * toplev.c (note_outlining_of_inline_function): New fn.
7825 * toplev.h: Declare it.
7826 * integrate.c (output_inline_function): Call it.
7827 * c-decl.c (duplicate_decls): Call it when redefining an extern
7828 inline. Don't inline the new defn.
7830 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7832 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7834 * .gdbinit: Rename to gdbinit.in.
7835 * gdbinit.in: New file,
7836 * configure.in: Generate .gdbinit from gdbinit.in.
7837 * configure: Regenerated.
7838 * Makefile.in (distclean): Always remove .gdbinit.
7840 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7842 * objc/objc-act.c (start_class): Register implemented_classes with
7845 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7847 * cppfiles.c (_cpp_make_system_header): Generate a file
7850 2001-02-15 Jim Meyering <meyering@lucent.com>
7852 * Makefile.in (install-common): Don't depend on installdirs here.
7853 Instead, make each of the lang.install-common targets (e.g.,
7854 c++.install-common in cp/Make-lang.in) depend on it.
7855 (install-driver): Depend on installdirs.
7857 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7859 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7861 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7864 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7866 * invoke.texi (--param): Document.
7868 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7870 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7872 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7874 * i386.md (extendsfdf2_2): Fix constraints.
7876 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7878 * i386.md (fop_df_3 splitter): Fix operand number.
7880 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7882 * invoke.texi (-mreg-alloc): Nuke.
7883 * i386.c (ix86_reg_alloc_order, regs_allocated,
7884 order_regs_for_local_alloc): Nuke.
7885 (override_options): Kill reg_alloc code.
7886 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7887 (REG_ALLOC_ORDER): SSE goes before I387.
7888 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7889 (ix86_reg_alloc_order): Likewise.
7890 * i386-protos.h (ix86_reg_alloc_order): Kill.
7892 2001-02-14 Richard Henderson <rth@redhat.com>
7894 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7896 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7898 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7900 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7902 * i386-protos.h (ix86_memory_move_cost): Move offline.
7903 * i386.c (ix86_register_move_cost): Compute properly cost of
7904 SSE, MMX and i387 instructions.
7905 (*_cost): Add costs of SSE/MMX moves.
7906 (ix86_memory_move_cost): Move offline from ....; Likewise.
7907 * i386.h (MEMORY_MOVE_COST): .... here;
7908 (struct processor costs): Add new fields to represent costs
7911 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7913 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7914 move_cost together with Matt Kraai's fix.
7916 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7918 * Makefile.in (OBJS): Add params.o.
7920 2001-02-14 Richard Henderson <rth@redhat.com>
7921 DJ Delorie <dj@redhat.com>
7923 * jump.c (jump_optimize_1): When we delete a conditional jump
7924 preceeding a non-conditional jump to effectively the same place,
7925 make sure that the combined jump skips any clobber insns between
7928 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7930 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7932 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7934 * Makefile.in (toplev.o): Depend on params.h.
7935 (intergate.o): Likewise.
7936 (params.o): New target.
7937 * flags.h (inline_max_insns): Remove.
7938 * integrate.c: Include params.h.
7939 Use MAX_INLINE_INSNS instead of inline_max_insns.
7940 * params.c: New file.
7941 * params.h: Likewise.
7942 * params.def: Likewise.
7943 * toplev.c: Include params.h.
7944 (lang_independent_params): New variable.
7945 (decode_f_option): Use the param machinery instead of setting
7947 (independent_decode_option): Handle "--param name=value".
7948 (main): Register language-independent parameters.
7950 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7952 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7954 2001-02-14 Richard Henderson <rth@redhat.com>
7956 * regclass.c (init_reg_sets_1): Revert last two changes.
7958 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7960 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7961 (variable_size): Call put_pending_size.
7962 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7963 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7964 sizes list, put newly created SAVE_EXPR there as well.
7966 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7968 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7969 (errata_find_address_regs): load_group has only 2 entries.
7970 (errata_emit_nops): Likewise. shladd is not problematic.
7971 Clear last_group if nop was emitted.
7972 (fixup_errata): load_group has only 2 entries.
7975 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7977 * c-lex.c (lex_number): Only warn traditionally for U suffix
7978 outside system macros.
7979 * cppexp.c (parse_number): Similarly.
7980 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7981 * cppmacro.c (struct cpp_macro): New member node.
7982 (parse_args): Only warn about missing rest args if not
7984 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7985 (cpp_sys_objmacro_p): New.
7986 (_cpp_create_definition): Store the node with the macro defn.
7987 Remember if the macro is defined in a system header.
7989 2001-02-13 DJ Delorie <dj@redhat.com>
7991 * configure.in (check_languages): determine languages to check
7992 * Makefile.in (check-c++): alias for check-g++
7993 (check-f77): alias for check-g77
7994 (CHECK_TARGETS): depend on configured languages
7996 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7998 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7999 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8000 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8001 (sqrtextendsfdf2): Disable for SSE2.
8003 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8005 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8006 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8007 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8008 (sqrtextendsfdf2): Disable for SSE2.
8010 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8012 * i386.md (movsfcc_1): Support integer cmove instruction.
8013 (movdfcc_1): Likewise; new splitter.
8015 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8017 * i386.c (output_fp_compare): Support SSE.
8018 (prepare_fp_compare_args): SSE comparisons always support memory.
8019 * i386.h (TARGET_CMOVE): SSE imply cmove.
8020 * i386.md (cmp?f2): Enable for SSE too.
8021 (cmpfp_i*): Support SSE.
8023 (cmpfp_i_sse_only): New.
8024 (s*, b* fp expanters): Enable for SSE too.
8025 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8028 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8030 * regclass.c (init_reg_sets_1): Silence warning.
8032 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8034 * i386.md (sqrt?f2): Change to expander.
8035 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8037 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8039 * rtlanal.c (find_reg_equal_equiv_note): New function.
8040 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8041 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8042 * rtl.h: Add declarations for above functions.
8044 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8046 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8048 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8049 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8050 * flow.c (mark_regs_live_at_end): Likewise.
8051 (calculate_global_regs_live): Likewise.
8052 * gcse.c (compute_hash_table): Likewise.
8053 (compute_kill_rd): Likewise.
8054 * resource.c (mark_target_live_regs): Likewise.
8055 * rtl.h (INVALID_REGNUM): New macro.
8057 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8059 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8061 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8063 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8066 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8068 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8070 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8071 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8072 (fop_sf_1_sse, fop_df_1_sse): New patterns
8073 (fop_*): Disable float_extend and float patterns for SSE compilation.
8074 * i386.c (output_387_binary_op): Support SSE.
8076 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8078 * i386.md (dummy_extendsfdf2): Support SSE2
8079 (extendsfdf2): Enable if 80387 or SSE2.
8080 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8081 and no MIX_I387_SSE2
8082 (extendsfdf2_1_sse_only): New pattern.
8083 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8085 (truncdfsf2_1): Support SSE.
8086 (truncdfsf2_2): Support SSE.
8087 (truncdfsf2_2_1_sse): New pattern.
8088 (fixtruncsfsi2): Always use SSE if available.
8089 (fix_truncsfsi_sse): New pattern.
8090 (fix_truncdfsi_sse): New pattern.
8091 (floatsis?f2): Support SSE.
8092 (floatsidf2_i387): New pattern.
8093 (floatsidf2_sse): Likewise.
8095 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8097 * configure.in: Use "have_gnat" variable, not "gnat".
8098 * configure: Regenerated.
8100 * config/sparc/sparc.c (function_value): Treat all non-record
8101 aggregate types like used to treat UNION_TYPE.
8103 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8105 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8106 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8108 (MASK_MIX_SSE_I387): New.
8109 (TARGET_SSE): SSE2 imply SSE.
8110 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8111 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8112 (enum reg_class): Add new classes.
8113 (REG_CLASS_NAMES): Likewise.
8114 (REG_CLASS_CONTENTS): Likewise.
8115 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8116 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8117 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8118 (CLASS_MAX_NREGS): Use new macros.
8119 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8120 * i386.md (pushsf, movsf): Support SSE.
8121 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8122 splitters to use ANY_FP_REGNO_P.
8123 (movdf_nointeger, movdf_integer): Likewise.
8125 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8127 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8128 (try_combine): Use it.
8130 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8132 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8133 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8134 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8135 (REGISTER_MOVE_COST): Likewise.
8136 * i386-protos.h (ix86_secondary_memory_needed,
8137 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8138 * i386.c (ix86_secondary_memory_needed,
8139 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8141 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8143 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8144 (HARD_REGNO_MODE_OK): Move offline to ....
8145 * i386.c (ix86_hard_regno_mode_ok) ... here;
8146 refuse all incorrect modes.
8147 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8149 2001-02-13 Richard Henderson <rth@redhat.com>
8151 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8152 entire operator; replicate that and match_dup the operands.
8153 (cmp_ccx_arith_op_set): Likewise.
8154 (cmp_cc_arith_op_not_set): Likewise.
8155 (cmp_ccx_arith_op_not_set): Likewise.
8157 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8159 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8161 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8163 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8164 (TARGET_NO_BITFIELD_WORD): New macro.
8165 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8166 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8168 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8170 * cselib.c: New file, from simplify-rtx.c.
8171 * simplify-rtx.c: Remove cselib parts.
8172 * Makefile.in: Add cselib.o.
8174 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8176 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8177 (setup_incoming_varargs): Remove warning.
8179 * config/rs6000/rs6000.c (validate_condition_mode): When
8180 flag_fast_math, allow floating-point conditionals to be reversed.
8181 (rs6000_generate_compare): When flag_fast_math, don't generate
8182 cror operations for FP conditionals.
8184 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8186 (ASM_SPEC): Likewise.
8187 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8188 (CC1_SPEC): Likewise.
8189 (LINK_TARGET_SPEC): Likewise.
8190 (CPP_ENDIAN_SPEC): Likewise.
8191 * Makefile.in (check-consistency): New target.
8193 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8195 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8196 "return type defaults" warning for functions with return type
8198 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8199 function declarations by default rather than only when pedantic.
8201 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8203 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8206 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8208 * extend.texi (Deprecated): Deprecate new initializer lists.
8210 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8212 * mkdeps.c (deps_add_default_target): Robustify. Add
8213 basename component only.
8214 * cpp.texi (-M): Describe how default target is generated.
8215 * invoke.texi (-M): Likewise.
8217 2001-02-12 Kazu Hirata <kazu@hxi.com>
8219 * toplev.c (push_float_handler): Remove.
8220 (pop_float_handler): Remove.
8221 * toplev.h: Remove prototypes for the above functions.
8223 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8225 * c-common.c (constant_fits_type_p): New function.
8226 (convert_and_check): Use it.
8228 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8230 * Makefile.in (GXX_ABI_FLAG): Don't define.
8231 * configure.in (--enable-new-gxx-abi): Remove option.
8232 * config.in: Regenerated.
8233 * configure: Likewise.
8235 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8237 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8239 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8240 regular basic block, and arrange for all edges into it to switch
8243 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8245 * Makefile.in (distclean): Do not remove .gdbinit.
8247 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8249 * Makefile.in (gcc.o): Fix typos.
8250 (protize.o): Likewise.
8251 (unprotoize.o): Likewise.
8253 2001-02-11 Richard Henderson <rth@redhat.com>
8255 * tree.c (build1): Check for null operand in last change.
8257 2001-02-11 Richard Henderson <rth@redhat.com>
8259 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8260 (fold): Don't assume a constant isn't foldable.
8261 * tree.c (build): Set TREE_CONSTANT for an expression with no
8262 side-effects and constant operands.
8265 2001-02-10 Richard Henderson <rth@redhat.com>
8267 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8269 2001-02-10 Anthony Green <green@redhat.com>
8271 * cpp.texi (Standard Predefined): Add documentation for
8274 * c-common.c (combine_strings): Improve warning message.
8276 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8278 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8280 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8282 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8284 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8287 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8289 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8292 2001-02-09 Nick Clifton <nickc@redhat.com>
8294 * config/arm/arm.md: Change output contraint on post inc
8295 load/store multiple patterns to be a read/write contraint.
8297 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8299 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8300 .o files when using the -M options.
8302 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8303 David Edelsohn <edelsohn@gnu.org>
8305 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8306 handle DImode constants. Use one TOC entry for SImode and smaller
8307 constants, aligned properly.
8309 2001-02-08 Jason Merrill <jason@redhat.com>
8311 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8312 about the SP adjustment for saving the static chain pointer.
8313 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8314 offset when setting a temporary CFA register.
8316 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8318 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8319 powerpc-*-chorusos* .
8320 * config/rs6000/chorus.h : New file.
8321 * config/i386/chorus.h : New file.
8322 * config/sparc/chorus.h : New file.
8323 * config/sparc/t-chorus-elf : New file.
8325 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8327 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8328 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8329 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8330 (__WCHAR_TYPE__): Correct macro name.
8332 2001-02-08 Richard Henderson <rth@redhat.com>
8334 * config/i386/i386.c (ix86_frame_pointer_required): New.
8335 (ix86_setup_frame_addresses): New.
8336 (struct machine_funciton): Add accesses_prev_frame.
8337 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8338 ix86_frame_pointer_required.
8339 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8340 (SETUP_FRAME_ADDRESSES): New.
8341 * config/i386/i386-protos.h: Update.
8342 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8343 from FRAME_POINTER_REQUIRED.
8344 * config/i386/svr3gas.h: Likewise.
8345 * config/i386/sysv3.h: Likewise.
8346 * config/i386/v3gas.h: Likewise.
8348 2001-02-08 Richard Henderson <rth@redhat.com>
8350 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8351 calculation of the number of integer registers required.
8352 (function_arg_record_value): Likewise.
8354 2001-02-08 Jason Merrill <jason@redhat.com>
8356 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8357 two. Print file and line with "confused" message.
8359 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8361 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8363 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8365 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8367 * final.c (cleanup_subreg_operands): The address of a MEM can
8370 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8373 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8375 * gcc.texi (Incompatibilities): Update documentation of
8376 preprocessing numbers.
8378 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8380 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8382 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8384 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8386 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8387 * gcc.c (struct compiler): Add cpp_spec field.
8388 (input_file_compiler): New variable.
8389 (do_spec_1): Allow a particular compiler to handle `%C'
8391 (main): Store the current compiler in input_file_compiler.
8392 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8394 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8396 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8397 * cppinit.c (cpp_create_reader): Initialize them.
8398 (append_include_chain): cxx_aware arg might be unused.
8399 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8400 keywords and give them their phase 7 meaning. Pedwarn about
8401 this unless '__bool_true_false_are_defined' is defined.
8403 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8405 * lcm.c (optimize_mode_switching): Emit mode_set before the
8406 JUMP_INSN of an abnormal edge.
8408 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8410 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8411 a scheduling barrier at the end.
8413 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8415 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8417 * config/sh/sh.md (reload_outsf): Removed.
8418 (movsf_ie): Introduce constraints for FPUL loads and stores.
8419 (reload_insf): Broaden the output constraint.
8421 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8423 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8424 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8426 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8428 * final.c: Revert my previous changes.
8429 * output.h: Make profile_label_no extern.
8430 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8431 for generating label.
8433 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8435 * config/i386/djgpp.h: Add comments about standard paths.
8436 (MD_EXEC_PREFIX): Undefine before defining.
8437 (MD_STARTFILE_PREFIX): New.
8439 2001-01-30 Bruce Korb <bkorb@gnu.org>
8441 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8442 (load_file): do not rely on load_file_data() to close file pointer
8443 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8444 fixinc/inclhack.def(irix_limits_const): add test_text
8446 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8448 * cppexp.c (parse_defined): Improve diagnostics for invalid
8451 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8453 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8455 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8457 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8458 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8459 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8460 (rs6000_output_symbol_ref): New function.
8461 (output_toc): Use VTABLE_NAME_P.
8463 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8465 * print-tree.c (print_node, case PARM_DECL):
8466 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8468 * stor-layout.c (reference_types_internal): New variable.
8469 (internal_reference_types): New function.
8470 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8471 * tree.h (internal_reference_types): New declaration.
8473 * cse.c (find_best_addr): Fix typo in computing cost.
8475 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8477 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8478 and this is the sum of a pointer and a constant, we know the result
8480 (num_sign_bit_copies, case PLUS): Likewise.
8481 * explow.c (convert_memory_address): Remove opposite SUBREG.
8482 * function.c (instantiate_new_reg): New function (from common code).
8483 (instantiate_virtual_regs_1): Call it.
8484 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8485 if pointers sign- or zero-extend.
8486 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8487 If pointers extend unsigned, use inside of SUBREG.
8488 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8490 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8492 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8493 subdir of gcc_gxx_include_dir.
8494 (gcc_gxx_target_include_dir): Remove.
8496 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8498 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8499 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8500 a high-level description.
8502 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8504 * final.c: Move the declaration of profile_label_no to ...
8505 * output.h: ... here.
8506 * function.c (expand_function_start): Call PROFILE_HOOK.
8507 * config/rs6000/aix.h: Define PROFILE_HOOK.
8508 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8509 * config/rs6000/rs6000.c (output_profile_hook): Define.
8510 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8511 output_profile_hook.
8512 tm.texi : Explain new macro PROFILE_HOOK.
8514 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8516 * extend.texi (Extended Asm): Do not say that semicolon is always
8517 a valid line-breaking character for GNU assemblers. Use
8518 newline-tab as the most commonly supported syntax. Use
8519 newline-tab rather than semicolon in multi-insn examples.
8521 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8523 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8525 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8526 David Edelsohn <edelsohn@gnu.org>
8528 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8529 code for AIX, even without flag_pic.
8531 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8533 * c-typeck.c (common_type): push and pop binding level around
8534 calling common_type on function parameters.
8536 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8538 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8540 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8542 * config/mips/mips.c (override_options): Fix typo in last change.
8543 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8544 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8546 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8548 * invoke.texi (-fdump-class-layout): Document.
8549 (-fdump-translation-unit): Use `=' as filename separator.
8551 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8553 * Makefile.in (s-mlib): Don't build multilibs if
8555 (DRIVER_DEFINES): Adjust accordingly.
8557 (protoize.o): Likewise.
8558 (unprotoize.o): Likewise.
8559 * configure.in: Recognize --enable-multilib.
8561 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8563 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8565 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8566 * configure.in: Remove --enable-libstdcxx_v3 support.
8567 * configure: Regenerated.
8569 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8571 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8572 Call abort instead of fatal.
8573 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8574 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8575 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8576 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8577 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8578 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8580 * diagnostic.h (set_internal_error_function): Renamed.
8581 * toplev.h (internal_error): Renamed from fatal.
8582 (pfatal_with_name): Deleted.
8583 (fatal_io_error): Now has printf-style arguments.
8584 * diagnostic.c (pfatal_with_name): Deleted.
8585 (fatal_io_error): Rework to have args in printf-style.
8586 (set_internal_error_function): Renamed from set_fatal_function.
8587 (internal_error): Renamed from fatal.
8588 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8589 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8590 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8591 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8592 * flow.c (verify_flow_info): Likewise.
8593 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8594 * config/mips/mips.c (save_restore_insns): Likewise.
8596 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8597 * flow.c (verify_flow_info): Likewise.
8598 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8599 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8600 (avr_normalize_condition): Likewise.
8601 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8602 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8603 (limit_reload_class, double_reg_to_memory): Likewise.
8604 (print_operand_address, emit_1600_code_shift): Likewise.
8605 (gen_tst_reg, gen_compare_reg): Likewise.
8606 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8607 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8609 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8611 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8612 * objc/objc-act.c (build_ivar_chain): Likewise.
8613 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8615 * graph.c (clean_graph_dump_file): Likewise.
8616 * profile.c (init_branch_prob): Likewise.
8617 * objc/objc-act.c (objc_init): Likewise.
8619 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8620 * config/avr/avr.c (avr_override_options): Likewise.
8621 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8622 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8623 * config/h8300/h8300.c (h8300_init_once): Likewise.
8624 * config/mips/mips.c (override_options): Likewise.
8625 * config/i386/i386.c (override_options): Likewise, rework.
8626 * config/m68k/m68k.c (override_options): Likewise.
8628 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8630 * config/mips/mips.c (print_operand): Likewise.
8631 * hash.c (hash_allocate): Don't check for failure returns from
8632 obstack functions that can't fail.
8633 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8634 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8635 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8636 (get_object_reference): Likewise.
8638 2001-02-04 Nick Clifton <nickc@redhat.com>
8640 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8641 StrongARM1110, 10TDMI, and 1020T.
8643 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8645 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8647 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8649 * config/sh/sh.md (movdf load split): Pass register number to
8650 FP_OR_XD_REGISTER_P.
8652 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8654 * cppinit.c (BC): New macro.
8655 (builtin_array): Add __GXX_WEAK__.
8656 * cpplib.h (builtin_type): Add BT_WEAK.
8657 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8658 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8659 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8661 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8663 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8665 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8667 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8668 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8670 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8672 * cpphash.h: Rename ALIGN _ALIGN.
8673 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8675 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8677 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8678 compilation environment.
8679 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8680 control over location of cygwin includes and libs.
8682 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8684 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8686 2001-02-02 lars brinkhoff <lars@nocrew.org>
8688 * md.texi (Standard Names): remove reference to spur.md.
8690 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8692 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8693 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8694 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8695 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8696 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8698 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8700 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8701 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8702 number before reload.
8703 (c4x_adjust_cost): Return zero before reload.
8704 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8705 split before reload.
8707 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8709 * c4x.c (c4x_hard_regno_rename_ok): New.
8710 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8711 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8713 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8715 * diagnostic.h: Add missing "extern" in all declarations.
8717 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8719 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8720 as for gcc_gxx_include_dir.
8722 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8724 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8726 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8728 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8729 label before alignment to be used as the braf base address.
8730 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8732 (casesi_jump_2): Require at least TARGET_SH2.
8734 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8735 truncation to 32-bit doubles on -m3e and -m4-single-only.
8737 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8739 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8740 the default when building a shared object.
8741 (init_spec): Use it.
8742 * testsuite/lib/g++.exp: Include the directory where libgcc
8743 is located to the LD_LIBRARY_PATH list.
8744 * invoke.texi (-shared-libgcc): Document the cases in which
8745 GCC defaults to using the shared libgcc.
8747 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8749 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8750 unsigned is wide enough.
8752 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8753 (si_to_float): Likewise.
8754 (float_to_si, float_to_usi): Use BITS_PER_SI.
8756 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8758 * dwarf2out.c: Added explanation of abbreviations.
8759 (def_cfa_1): Added comments listing DWARF2 instructions.
8760 (cfa_temp_reg): Removed in favor of cfa_temp.
8761 (cfa_temp_value): Removed in favor of cfa_temp.
8762 (cfa_temp): New global variable.
8763 (dwarf2out_frame_debug_expr): Added extensive introductory
8764 comments explaining the function's transformations. Revised to
8765 use cfa_temp. Added some rtx checking. Generalize IOR case.
8766 (dwarf2out_frame_debug): Revised to use cfa_temp.
8767 (output_aranges): Cast as "unsigned" to avoid warning.
8768 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8769 explain which instructions must be marked.
8771 2001-02-01 Richard Henderson <rth@redhat.com>
8773 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8776 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8778 * config/sh/crt1.asm (main_k): Modified so that start calls
8779 ___setup_argv_and_call_main.
8781 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8783 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8784 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8785 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8786 * cppmacro.c (builtin_macro): Set builtin flags here.
8787 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8788 (replace_args): Clarify intent.
8789 (cpp_get_token): Macro expansion tokens get the saved flags.
8791 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8794 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8796 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8799 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8801 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8802 returns Pmode pseudo, but we need ptr_mode.
8803 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8804 Remove bogus conversions; use HOST_WIDE_INT for size.
8805 Don't use TARGET if wrong mode.
8807 * config/i386/i386.c (ix86_compute_frame_size): Allow
8808 stack_alignment_needed to be non-default even if size is zero.
8810 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8812 * pa.c (hppa_init_pic_save): New function.
8813 * pa.h (hppa_init_pic_save): Declare.
8814 * pa.md (call, call_value, sibcall, sibcall_value): Use
8815 the above instead of duplicated code.
8817 * pa.c (hppa_encode_label): Correct size of alloca buffer
8818 so we don't overrun it. Correct leading `*' case.
8819 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8820 need to handle `*@'.
8821 (FUNCTION_NAME_P): Likewise.
8823 2001-01-31 Richard Henderson <rth@redhat.com>
8825 * config.gcc (alpha-osf5): Use float-i128.h.
8827 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8828 * config/float-i32.h: Likewise.
8829 * config/float-i64.h: Likewise.
8830 * config/float-sh.h: Likewise.
8831 * config/float-sparc.h: Likewise.
8833 2001-01-31 DJ Delorie <dj@redhat.com>
8835 * expmed.c (extract_bit_field): allow non-integral modes if we
8836 want to extract a whole register from itself.
8838 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8840 * c-typeck.c (set_init_index): If first is equal to last, assume as
8841 if it was not a range at all.
8843 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8845 * config/fp-bit.c: Include tm.h.
8846 (float_to_si): Don't assume SImode is 32-bits wide.
8847 (float_to_usi): Likewise.
8849 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8851 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8853 (typename): Call pending_xref_error after parsing typed_typespecs.
8854 * c-decl.c (lookup_tag): Give error immediately rather than
8855 leaving it pending if the tag of the wrong type is in the same
8857 (xref_tag): Don't pedwarn for forward declarations of enum types
8859 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8862 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8864 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8866 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8868 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8869 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8871 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8873 * cpphash.h (struct cpp_reader): New saved_flags.
8874 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8875 to avoid a paste after a pasted token.
8877 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8879 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8880 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8881 Wtype_MIN instead of LONG_MIN.
8883 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8885 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8887 * fixinc/fixincl.x: Regenerated.
8888 * fixinc/inclhack.def (irix_limits_const): New definition to
8889 convert "const" to "__const" in limits.h.
8891 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8893 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8895 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8897 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8898 when register dies in the insn.
8900 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8902 * diagnostic.c (fatal): Fix word wrap.
8904 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8906 * combine.c (try_combine): Fix SUBREG setting for
8907 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8909 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8911 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8914 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8916 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8918 * toplev.c (decode_W_option): Update warn_larger_than
8919 unconditionally for each processed switch.
8921 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8923 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8925 (hppa_expand_prologue): Delete code to save pic offset table register
8926 in the function prologue.
8927 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8928 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8929 table register at the beginning of the function after the prologue.
8931 2001-01-29 lars brinkhoff <lars@nocrew.org>
8933 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8935 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8936 Jeff Law <law@redhat.com>
8938 * pa.md (return): Revise comment for trivial return.
8939 (return_internal): Non-trivial return pattern for non-PIC code.
8940 (return_internal_pic): Non-trivial return pattern for PIC code.
8941 It uses the PIC register to ensure it is restored after
8943 (epilogue): Generate appropriate return for PIC and non-PIC code.
8945 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8947 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8949 2001-01-29 DJ Delorie <dj@redhat.com>
8951 * combine.c (if_then_else_cond): Pass the correct mode to
8952 operand_subword() for constants.
8954 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8956 * config/i386/cygwin.h: Add w32api to include search. Search different
8957 directories in a cross-build environment.
8959 2001-11-29 Tim Josling <tej@melbpc.org.au>
8961 * tree.h (TYPE_STUB_DECL): Add documentation.
8963 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8965 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8966 (sdbout_field_types): Likwise. Fix use of host_integerp.
8968 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8970 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8973 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8975 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8976 to use flag_gnu_linker.
8978 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8980 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8981 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8983 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8985 * tree.c, tree.h (build_parse_node): Remove; was identical to
8987 * c-lang.c (start_cdtor), objc/objc-act.c
8988 (build_module_descriptor): Use build_nt instead of
8991 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8993 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8994 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8995 not have any upper bits set.
8997 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8999 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9001 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9003 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9005 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9007 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9008 (integer_minus_one_node): Define.
9010 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9012 * Makefile.in (bootstrap2-lean): Fix typo.
9014 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9016 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9017 : Don't set fe_value.
9018 * cpplib.h (AVOID_LPASTE): New flag.
9019 (struct cpp_hashnode): Remove fe_value.
9020 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9021 * cppmacro.c (builtin_macro): Don't set flags here.
9022 (replace_args): Set AVOID_LPASTE flag on first token of an
9023 argument, and the token following it.
9024 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9025 macro expansion, and on the token following it. Do it for
9027 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9029 2001-01-27 Richard Henderson <rth@redhat.com>
9031 * config/alpha/t-ieee: Remove multilibbing.
9032 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9034 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9036 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9038 * Makefile.in: Remove all dependencies on defaults.h.
9039 * builtins.c: Don't include defaults.h.
9040 * c-common.c: Likewise.
9041 * c-decl.c: Likewise.
9042 * c-pragma.c: Likewise.
9043 * c-typeck.c: Likewise.
9044 * combine.c: Likewise.
9046 * frame-ia64.c: Likewise.
9047 * cppexp.c: Likewise.
9048 * crtstuff.c: Likewise.
9049 * dbxout.c: Likewise.
9050 * dwarf2out.c: Likewise.
9051 * dwarfout.c: Likewise.
9052 * emit-rtl.c: Likewise.
9053 * except.c: Likewise.
9055 * final.c: Likewise.
9056 * frame-dwarf2.c: Likewise.
9057 * libgcc2.c: Likewise.
9058 * optabs.c: Likewise.
9059 * profile.c: Likewise.
9060 * sdbout.c: Likewise.
9061 * toplev.c: Likewise.
9062 * tradcif.y: Likewise.
9064 * varasm.c: Likewise.
9066 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9068 * builtins.c (expand_builtin_fputs): Use size_one_node when
9069 transforming into fwrite.
9071 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9073 * extend.texi (Attribute Syntax): New section.
9075 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9077 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9078 they didn't need fixing.
9080 2001-01-27 Janis Johnson <janis@us.ibm.com>
9082 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9084 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9085 to remove macro definitions that are duplicated from elfos.h.
9087 2001-01-27 Richard Henderson <rth@redhat.com>
9089 * config/i386/sco5gas.h: Move ...
9090 * config/usegas.h: ... here.
9091 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9093 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9095 * c-typeck.c (struct constructor_stack): Add range_stack member.
9096 (really_start_incremental_init): Clear it.
9097 (push_init_level): Save constructor_range_stack and clear it if
9098 pushing explicit braces.
9099 (pop_init_level): abort if constructor_range_stack is non-zero at
9100 explicit closing brace. Restore saved constructor_range_stack if
9103 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9105 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9106 into register was forced into memory.
9108 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9110 * Makefile.in: Remove uses of + before $(MAKE).
9112 2001-01-26 Richard Henderson <rth@redhat.com>
9114 * stmt.c (cost_table): Remove.
9115 (COST_TABLE, cost_table_initialized): New.
9116 (estimate_case_costs): Use the later instead of the former.
9117 (balance_case_nodes): Likewise.
9119 2001-01-26 Richard Henderson <rth@redhat.com>
9121 * alias.c (objects_must_conflict_p): Read-only slots may not
9122 conflict despite having the same type.
9124 2001-01-27 Michael Hayes <mhayes@redhat.com>
9126 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9128 (check_ext_dependant_givs): Initialise u_start_val and
9130 (load_mems): Make last_max_reg unsigned.
9131 (try_swap_copy_prop): Use INSN_P and initialise set.
9133 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9135 * README.AVR : Removed.
9137 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9139 * pa-64.h (text_section): Remove declaration.
9141 * pa.md (return_internal): Remove mode on PIC register use.
9143 2001-01-25 lars brinkhoff <lars@nocrew.org>
9145 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9146 ASM_CLOSE_PAREN): fix typos.
9148 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9150 * acconfig.h: Define `const' to the empty string if neither
9151 __STDC__ nor __cplusplus is defined.
9152 * config.in: Regenerated.
9154 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9156 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9157 * collect2.c (main): Delete importf. Add ".obj" file extension.
9158 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9159 (aix_std_libs): Add additional AIX libraries to skip.
9160 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9161 * config/rs6000/aix51.h: New file.
9163 2001-01-25 Michael Hayes <mhayes@redhat.com>
9165 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9166 (loop_insn_emit_before): No longer static.
9167 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9168 (loop_givs_rescan, load_mems): Likewise.
9169 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9170 (maybe_eliminate_biv_1):
9171 (move_movables): Replace emit_call_insn_before with
9172 loop_call_insn_hoist.
9173 * loop.h (loop_insn_emit_before): Add.
9174 * unroll.c (copy_loop_body): Replace emit_insn_before with
9175 loop_insn_emit_before.
9177 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9179 * diagnostic.c (fatal): Request preprocessed source.
9181 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9183 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9184 olddecl has argument types and newdecl has none, use the argument
9187 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9189 * dwarf2out.c (prefix_of): New function. Determine longest common
9190 prefix of the two arguments. The units are whole path components.
9191 (output_file_names): When adding a new directory find the one entry
9192 with the longest common prefix already in the list. Artificially
9193 generate entry if there is none for this prefix.
9194 Fix test to check whether the zeroth directory entry is used.
9196 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9198 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9199 Changed all callers. Take it into account when deciding if a
9200 previously loaded value matches.
9202 2001-01-24 Richard Henderson <rth@redhat.com>
9204 * reload.c (find_reloads_subreg_address): Fail the substitution
9205 if the resulting address is insufficiently aligned.
9207 2001-01-24 DJ Delorie <dj@redhat.com>
9209 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9210 check the original operand's mode also.
9211 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9213 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9215 * c-parse.in (cast_expr): Move compound literals from here ...
9216 (primary): ... to here. Use standard terminology "compound
9217 literal" instead of "constructor expression".
9219 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9221 * gcc.1, cpp.1: Regenerate.
9223 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9225 * calls.c (emit_library_call_value_1): Memory slot for
9226 pass-by-reference argument should have the mode of the argument,
9227 not of the pointer to it.
9229 2001-01-24 Tom Tromey <tromey@redhat.com>
9231 * gcc.texi (G++ and GCC): Mention gcj manual.
9232 (Standards): Link to section of manual mentioning gcj/Java
9235 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9237 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9238 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9239 * tradcpp.c (main): Add -imacros or -include'd dependencies
9241 * cpp.texi (-M, -MM): Document -M -include behaviour.
9243 2001-01-24 Roger Collins <roger@ProProject.com>
9245 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9247 2001-01-24 Will Cohen <wcohen@redhat.com>
9249 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9250 whether registers are 32 bits or 64 bits in size.
9252 2001-01-24 Ben Elliston <bje@redhat.com>
9254 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9256 2001-01-24 Richard Henderson <rth@redhat.com>
9258 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9259 (builtin_longjmp): Use it instead of emit_indirect_jump.
9261 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9263 * bb-reorder.c (make_reorder_chain_1): Handle case where
9264 jump edge goes to the same block as the fallthru edge.
9266 2001-01-23 Jim Wilson <wilson@redhat.com>
9268 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9269 * frame.h (__ia64_personality_v1): Add prototype.
9270 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9271 prototype form. Add void * cast to first argument to personality
9273 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9274 (asctoe113): Likewise.
9275 * config/ia64/frame-ia64.c: Include eh-common.h.
9276 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9278 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9280 (itanium_split_issue): Add prototype.
9281 (gen_nop_type): Ifdef out.
9282 (find_best_packet): Initialize best_packet.
9283 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9285 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9286 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9287 (flushrs): Add explicit stop bit at end.
9288 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9291 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9293 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9295 * libgcc2.c (__terminate_func): Make variable static.
9296 (__terminate_set_func): New function to set __terminate_func.
9297 * libgcc2.h (__terminate_func_ptr): New typedef.
9298 (__terminate_set_func): New function.
9300 2001-01-23 Richard Henderson <rth@redhat.com>
9302 * flow.c (init_propagate_block_info): Don't consider unchanging
9303 memories for dead frame store elimination.
9305 2001-01-23 Richard Henderson <rth@redhat.com>
9307 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9308 * defaults.h: ... here.
9310 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9312 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9314 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9316 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9318 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9320 * rs6000.h (rs6000_return_addr): Move prototype from here...
9321 * rs6000-protos.h (rs6000_return_addr): ...to here.
9322 (rs6000_init_expanders): Delete prototype.
9324 2001-01-23 Nick Clifton <nickc@redhat.com>
9326 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9327 (Spec Files): Document %B and %j and %. and %v3 and %M and
9328 %{S*&T} spec switches.
9330 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9332 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9334 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9335 Neil Booth <neil@daikokuya.demon.co.uk>
9337 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9338 Have -Werror make pedantic warnings errors, like the
9341 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9343 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9345 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9347 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9348 * integrate.c (expand_inline_function): Initialize them.
9349 (subst_constants): If changing COMPARE so that both its arguments
9350 will be VOIDmode and the comparison mode will be lost, note
9351 compare_mode. Use the recorded compare_mode to optimize
9354 2001-01-23 Jason Merrill <jason@redhat.com>
9356 * dwarf2out.c (new_die): Use xcalloc.
9357 (output_die): Abort rather than emit a local reference to offset 0.
9359 2001-01-17 Andrew Haley <aph@redhat.com>
9361 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9362 of a saved register; return NULL instead.
9363 (copy_reg): Take a pointer to a source register rather than a
9365 (next_stack_level): Remember the address in the stack frame of all
9367 Use the saved register pointer array as the source of the CFA.
9368 (throw_helper): Rewrite. Unwind once rather than twice and keep
9369 track of saved registers as we go.
9371 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9373 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9374 * c4x.c (c4x_legitimize_reload_address): Remove.
9375 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9376 reload address for ldp(k) insn.
9378 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9380 * pa.md (return_internal): Add a USE of the PIC register to ensure
9381 it is restored after each call.
9382 (return expander): Corresponding changes.
9384 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9386 * rs6000.h (INIT_EXPANDERS): Delete.
9387 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9388 * rs6000.c (rs6000_override_options): Call *_machine_status from
9390 (rs6000_init_expanders): ...instead of here. Delete.
9391 (rs6000_mark_machine_status): New function.
9392 (rs6000_init_machine_status): Use xcalloc.
9393 (rs6000_return_addr): Generate RTX for the return address.
9394 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9395 (rs6000_stack_info): Use it.
9397 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9399 * gthr-win32.h: Include errno.h to get a declaration for
9400 EINVAL and _mingw.h if the target is mingw32.
9402 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9404 * cpp.texi: Correct typos.
9406 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9408 * explow.c (probe_stack_range): Ensure value passed to
9409 stack_check_libfunc is ptr_mode, not Pmode.
9411 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9413 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9414 case, don't use operand_subword to calculate a SUBREG that is
9417 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9419 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9421 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9422 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9423 valid. If not replace it by equivalent insns.
9425 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9427 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9428 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9429 (c4x_U_constraint, symbolic_address_operand): Likewise.
9430 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9432 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9433 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9434 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9435 anulling slot because of silicon bug.
9436 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9438 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9440 * cppexp.c (parse_charconst): Change `mask' type to agree
9443 2001-01-21 Richard Henderson <rth@redhat.com>
9445 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9446 pic_label_name in a linkonce section.
9448 2001-01-17 Philipp Thomas <pthomas@suse.de>
9450 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9452 * configure: Regenerate.
9454 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9456 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9457 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9459 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9461 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9462 If REVERSE nonzero then condition code in X must be reversed.
9463 (encode_section_info): Optimise if/else.
9464 (avr_function_value): Fix formatting.
9466 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9467 (difficult_branch): Likewise.
9468 (rvbranch): Likewise.
9469 (difficult_rvbranch): Likewise.
9471 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9473 * config/avr/libgcc.S: Fix comment.
9475 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9477 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9479 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9481 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9483 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9485 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9486 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9487 * configure, config.in: Regenerate.
9488 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9489 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9490 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9491 (doprint.o): New rule.
9493 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9495 * c-typeck.c (digest_init): Handle boolean types as scalars.
9497 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9499 * stmt.c (expand_return): Don't return anything if size is zero.
9500 Delete redundant assignment to BYTES.
9501 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9503 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9505 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9506 the same as the default library function names.
9507 * config/avr/avr.md: Document special characters after '%'.
9508 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9509 knowing which of the call-used registers are really clobbered.
9510 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9511 New. Both quotient and remainder from one libgcc.S call.
9512 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9513 clobber as few registers as possible.
9514 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9516 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9518 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9519 context of the top of the stack.
9521 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9523 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9524 (fixup_var_refs_insns): ...here.
9526 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9528 * function.c (fixup_var_refs_insns): Break up into
9529 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9530 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9531 [loop over hash table entries].
9532 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9533 fixup_var_refs_insns_with_hash, to match above changes.
9535 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9537 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9538 (libgcc.a): Likewise.
9539 (stmp-multilib): Likewise.
9540 (STAGE2_FLAGS_TO_PASS): Likewise.
9542 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9544 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9545 temporary if no_new_pseudos.
9547 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9549 * cppinternals.texi: Update.
9551 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9553 * arm.c (arm_init_builtins): Re-enable builtins.
9555 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9557 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9558 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9559 element to be null, and always expect an EXPR_LIST.
9560 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9561 * sched-deps.c (sched_analyze_1): Likewise.
9562 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9564 * regclass.c (max_set_parallel): New variable.
9565 (reg_scan): Take it into account in computation of max_parallel.
9566 (reg_scan_mark_refs, case SET): Compute it.
9568 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9570 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9571 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9573 2001-01-19 Jason Merrill <jason@redhat.com>
9575 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9576 for the abstract instance of an inline function.
9578 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9579 J"orn Rennecke <amylaar@redhat.com>
9581 * reload1.c (move2add_note_store): Treat all registers directly or
9582 indirectly derived from a base register as members of the same set
9584 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9585 of base register into account.
9587 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9589 * alias.c (find_base_value): Recognize TRUNCATE.
9590 (record_set): In PLUS case, invalidate if other summand is also a
9593 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9595 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9596 entry to be EXPR_LIST.
9597 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9598 be an EXPR_LIST (but not null, which other code doesn't allow).
9599 (note_stores): Properly handle PARALLEL in SET.
9600 Recursively call for top-level PARALLEL.
9601 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9602 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9604 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9606 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9608 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9609 not pfile->skipping (== 0).
9611 2001-01-17 Nick Clifton <nickc@redhat.com>
9613 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9616 2001-01-17 Jim Wilson <wilson@redhat.com>
9618 * invoke.texi (IA-64 options): Improve.
9620 2001-01-17 Tom Tromey <tromey@redhat.com>
9622 * invoke.texi (Optimize Options): Use `{}' to around @samp
9625 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9627 * invoke.texi (-fno-guess-branch-probability): New option.
9629 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9631 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9632 case of making new double-word constant.
9633 Revert last change: instead just test i3_subst_into_i2.
9635 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9637 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9638 Use q constraints instead of r.
9640 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9642 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9643 (machine_function): Define.
9644 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9645 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9646 pa_free_machine_status): New functions.
9647 (override_options): Set {init,mark,free}_machine_status to above.
9648 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9649 PIC_OFFSET_TABLE_REGNUM_SAVED.
9650 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9651 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9652 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9653 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9654 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9656 2001-01-15 DJ Delorie <dj@redhat.com>
9658 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9662 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9664 * flow.c (propagate_one_insn): Make trying to delete a prologue
9665 or epilogue insn an ICE, not a warning. Allow doing this if
9666 the current function returns with stack pointer depressed.
9668 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9669 I3 having more than one SET.
9671 2001-01-16 Jim Wilson <wilson@redhat.com>
9673 * invoke.texi: Document IA-64 options.
9675 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9676 (fixup_errata): Delete TARGET_A_STEP use.
9677 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9678 (TARGET_SWITCHES): Delete -ma-step option.
9679 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9680 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9681 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9682 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9683 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9684 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9686 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9687 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9688 cmovsi_internal): Delete ! TARGET_A_STEP check.
9690 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9692 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9693 possibility to report bugs via postal mail. Change a URL and
9694 merge in a nearly duplicate statement...
9695 (Bug Reporting): ...from here.
9696 (Service): Refer to the Bug Reporting section instead of
9698 (Contributing): Remove trivial explanations concerning snapshots.
9700 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9702 * cppmain.c (general_init): Don't use ANSI prototype.
9704 2001-01-16 Tom Tromey <tromey@redhat.com>
9706 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9708 2001-01-16 Richard Henderson <rth@redhat.com>
9710 * config/i386/i386.h: Fix comment typo.
9711 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9712 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9714 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9716 * gcc.c: Revert previous -fsyntax-only-related change; move
9719 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9721 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9722 inmode after checking GET_CODE (op).
9724 2001-01-16 Richard Henderson <rth@redhat.com>
9726 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9727 (MAX_MEM_SET_LIST_LEN): New.
9728 (propagate_one_insn): Update mem_set_list_len.
9729 (invalidate_mems_from_autoinc): Likewise.
9730 (invalidate_mems_from_set): Likewise.
9731 (mark_used_regs): Likewise.
9732 (init_propagate_block_info): Likewise. Stop collecting memories
9733 when we reach MAX_MEM_SET_LIST_LEN.
9734 (mark_set_1): Likewise.
9736 2001-01-16 Richard Henderson <rth@redhat.com>
9738 * unroll.c (precondition_loop_p): Fail if no iteration
9741 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9743 * gcc.c: When -fsyntax-only is given, do not complain about
9746 2001-01-15 Richard Henderson <rth@redhat.com>
9748 * config/i386/i386.c (asm_output_function_prefix): Remove.
9749 (ix86_asm_file_end): New.
9750 (load_pic_register): Generate pic_label_name into a
9751 staticly allocated buffer.
9752 * config/i386/i386-protos.h: Update.
9753 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9754 (ASM_FILE_END): New.
9755 * config/i386/i386afe.h: New file.
9756 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9757 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9758 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9759 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9760 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9761 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9762 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9764 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9766 * Makefile.in (install-man): Remove explicit dependency on
9769 * configure.in, configure: Revert previous patch requiring perl
9772 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9774 * toplev.c (flag_guess_branch_prob): New.
9775 (f_options): Add guess-branch-probability option.
9776 (rest_of_decl_compilation): Only estimate branch probability if
9778 (main): set flag_guess_branch_prob.
9780 * flags.h (flag_guess_branch_prob): New.
9782 2001-01-15 DJ Delorie <dj@redhat.com>
9784 * gcc.texi (Makefile): Add documentation for Makefile targets.
9786 2001-01-15 Philip Blundell <philb@gnu.org>
9788 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9790 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9791 (is_pic): Delete declaration.
9792 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9793 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9794 * config/arm/arm.md (builtin_setjmp_receiver): New.
9796 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9798 * arm.c (use_return_insn): Don't try to determine the function type
9799 until after reload has completed.
9800 (arm_output_epilogue): Don't adjust the sp value recovered from the
9802 (emit_multi_reg_push): Don't record dwarf information for the pc.
9803 * arm.md (eh_epilogue): The function type may have changed, so it
9804 needs to be recalculated.
9805 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9806 unwind tables on arm/netbsd.
9808 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9810 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9811 (negated_cbranchsi4): Likewise.
9813 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9815 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9816 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9817 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9818 pass -mapcs-* options to assembler.
9819 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9820 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9821 (ASM_SPEC): Call subtarget_extra_asm_spec.
9823 2001-01-15 Andreas Jaeger <aj@suse.de>
9825 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9827 (ix86_expand_builtin): Likewise.
9829 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9830 warning about comparison between signed and unsigned.
9832 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9834 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9836 2001-01-14 Ralf Baechle <ralf@gnu.org>
9838 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9839 SUBTARGET_CPP_SPEC apropriatly.
9841 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9843 * varasm.c (make_decl_rtl): Fix typo in last change.
9845 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9847 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9848 linker supports the init_priority C++ attribute.
9849 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9850 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9851 linker does not support init_priority C++ attribute.
9853 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9855 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9857 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9859 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9860 * cp/lex.c (finish_parse): Similarly.
9861 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9862 Return the number of errors encountered.
9863 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9864 * cppmain.c (main): Don't call cpp_destroy.
9866 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9868 * configure.in: Require at least perl 5.6.0 to regenerate
9870 * configure: Regenerate.
9872 2001-01-14 Richard Henderson <rth@redhat.com>
9874 * genrecog.c (DT_veclen_ge): New.
9875 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9876 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9877 (nodes_identical_1): Handle DT_veclen_ge.
9878 (write_cond, debug_decision_2): Likewise.
9880 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9882 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9884 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9886 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9888 * cppmain.c (do_preprocessing): New function; most of the old
9890 (main): Call it to do most of the work.
9891 (cb): Move from global scope to set_callbacks ().
9892 (setup_callbacks): Get the callback pointer.
9893 (general_init, printer_init): Clean up code and comments.
9895 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9897 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9900 2001-01-14 Kazu Hirata <kazu@hxi.com>
9902 * config/h8300/h8300.c (get_shift_alg): Update comments.
9904 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9906 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9907 (alloc_page, ggc_alloc): Add casts to remove warnings.
9909 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9911 * combine.c (simplify_comparison): Don't change `code' when
9912 can't reverse comparison.
9914 2001-01-14 Richard Henderson <rth@redhat.com>
9916 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9917 update all call sites. Return true for all non-label constants.
9919 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9921 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9923 (ix86_expand_branch): Update.
9924 (ix86_expand_setcc): Update to handle multiple test conditions.
9925 (expand_int_movcc): Likewise.
9926 (expand_fp_movcc): Likewise.
9927 * i386-protos.h (ix86_expand_compare): New.
9928 * i386.md (andqi_?_slp, orqi_?_slp): New.
9929 (conditional trap expander): Update call to ix86_expand_compare.
9931 2001-01-14 Richard Henderson <rth@redhat.com>
9933 * config/vax/vax.md: Use nonimmediate_operand instead of
9934 general_operand in destinations.
9936 * config/vax/vax.md (indirect_jump): Use register_operand.
9938 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9939 * config/vax/vax.md (call_pop): Turn into an expander.
9940 (call_value_pop): Likewise.
9941 (call, call_value): New.
9943 2001-01-14 Andreas Jaeger <aj@suse.de>
9945 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9947 (ix86_fp_compare_mode): Add unused attribute.
9948 (ix86_expand_fp_movcc): Remove unused variable.
9949 (ix86_expand_builtin): Make fcode unsigned.
9951 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9952 (expand_expr): Add cast to avoid signed warning.
9953 (store_field): Likewise.
9954 (store_constructor_field): Likewise.
9955 (store_constructor): Likewise.
9956 (store_expr): Likewise.
9957 (clear_storage): Likewise.
9958 (emit_group_store): Likewise.
9959 (emit_group_load): Likewise.
9961 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9963 * c-common.c: Move format checking code to ...
9964 * c-format.c: ... here. New file. Reorder some functions and
9966 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9968 * c-common.h (decl_handle_format_attribute,
9969 decl_handle_format_arg_attribute): Declare.
9970 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9971 (c-common.o): Adjust dependencies.
9972 (c-format.o): New list of dependencies.
9974 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9976 * unroll.c (loop_iterations): If we cannot prove iteration variable
9977 is set once in each iteration, punt.
9979 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9981 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9982 (*strlenhi): Remove clobber (which was buggy) of output address.
9984 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9986 * Makefile.in (generated-manpages): Add gcc.1
9987 ($(srcdir)/gcc.1): New target.
9988 (maintainer-clean): Delete $(srcdir)/gcc.1.
9989 * gcc.texi: Add macros @gccoptlist and @gol.
9990 * invoke.texi: Include option summary in manpage. Mark up option
9991 summary with @gccoptlist and @gol. Use @r in one place where
9993 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9994 * gcc.1: Generate from invoke.texi.
9996 2001-01-13 Richard Henderson <rth@redhat.com>
9998 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9999 (struct page_entry): Add group member.
10000 (struct page_group): New.
10001 (struct globals): Add page_groups member.
10002 (alloc_anon): Only define for using mmap; remove valloc call.
10003 (page_group_index): New.
10004 (set_page_group_in_use): New.
10005 (clear_page_group_in_use): New.
10006 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10007 (free_page, release_pages): Likewise.
10008 * configure.in (with-gc): Default to ggc-page always.
10010 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10012 * reload1.c (replace_pseudos_in_call_usage): Use
10013 reg_equiv_constant and reg_equiv_address, and don't try
10014 regno_reg_rtx first.
10016 2001-01-13 Richard Henderson <rth@redhat.com>
10018 * ggc-page.c (alloc_page): Round up allocation size to one page.
10019 Set e->order on extra pages.
10021 2001-01-13 Richard Henderson <rth@redhat.com>
10023 * genrecog.c (nodes_identical): Expand commentary.
10024 (write_switch): Watch out for identical nodes.
10026 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10028 * cppfiles.c (_cpp_fake_include): New function.
10029 * cpphash.h (_cpp_fake_include): New.
10030 * cpplib.c (do_line): Call _cpp_fake_include when entering
10031 header files in preprocessed input.
10032 * cppmain.c (cb_pragma_implementation): Remove handling.
10033 (setup_callbacks): Don't register pragmas.
10035 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10037 * extend.texi: Udate for CPP.
10039 2001-01-13 Andreas Jaeger <aj@suse.de>
10041 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10043 * regmove.c: Add prototype for replace_in_call_usage.
10045 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10047 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10048 struct cpp_chunk, struct htab, struct toklist,
10049 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10050 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10051 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10052 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10053 (struct macro_args): Delete.
10054 * cpphash.h: See above.
10056 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10058 * cppmain.c (struct printer): Remove no_line_dirs.
10059 (options, cb): New.
10060 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10061 : Use options rather than CPP_OPTION.
10062 (setup_callbacks): Use cb rather than pfile->cb.
10063 (main): No need to check for a buffer. Use cpp_errors.
10064 (printer_init): Don't set no_line_dirs.
10065 (maybe_print_line): Use options not no_line_dirs.
10066 (cb_file_change): Don't call print_line if -P.
10068 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10070 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10072 * c-parse.in (finish_parse): Use cpp_errors.
10073 (__yylex): Use return value of cpp_pop_buffer.
10074 * cp/lex.c (finish_parse): Use cpp_errors.
10075 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10077 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10079 * README.AVR: URLs corrected.
10081 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10083 * c-decl.c (start_function): Don't warn if old prototype is builtin
10084 that's not in C's namespace.
10085 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10086 (_bb): Add prototype for ctime.
10087 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10089 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10091 * i386.c (ix86_fp_comparison_arithmetics_cost,
10092 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10093 ix86_fp_comparison_cost): New functions.
10094 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10095 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10096 two-branch sequences; make static.
10097 (ix86_use_fcomi_compare): Do decision according to the costs.
10098 (split_fp_branch): New.
10099 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10100 * i386-protos.h (ix86_expand_fp_compare): Remove
10101 (ix86_split_fp_branch): Declare.
10103 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10104 and ix86_comparison_operator.
10106 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10107 to make it cheaper.
10109 * i386.c (put_condition_code): Output properly the unordered/ordered
10110 compares in fp case.
10111 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10113 * tm.texi (REVERSE_CONDITION): Document.
10114 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10115 in -ffast-math mode.
10116 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10118 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10120 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10122 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10125 * config/sh/sh.c (mova_p): Fix test for mova_const.
10127 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10129 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10130 cpp_get_options rather than dereferencing pfile and using
10132 * scan-decls.c (scan_decls): Use return value of
10133 cpp_pop_buffer rather than CPP_BUFFER.
10135 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10137 * cppinit.c (cpp_handle_option): help_only is now part of the
10138 cpp_options structure.
10139 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10140 cpp_set_callbacks): New functions.
10141 * cpplib.h (cpp_callbacks): Break out as a named structure.
10142 (cpp_options): Move help_only here from cpp_reader.
10143 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10144 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10145 cpp_set_callbacks): New prototypes.
10146 * cppmain.c (main): Update for help_only.
10148 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10150 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10151 Also build and remove and install and uninstall c-tree.info and
10153 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10154 ($(srcdir)/cppinternals.info): New target.
10155 * c-tree.texi: Change file name used when makeinfo used without -o
10156 from ir.info to c-tree.info. Add info directory entry.
10157 * cppinternals.texi: Add info directory entry.
10158 * .cvsignore: Update.
10160 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10162 * c-typeck.c (store_init_value): Don't require constant initializer
10163 elements with -pedantic -std=c99.
10164 (digest_init): Change error about non-constant initializer elements
10166 (constructor_range_end): Remove.
10167 (constructor_incremental, designator_depth,
10168 designator_errorneous): New variables.
10169 (struct constructor_stack): Remove range_end, add incremental.
10170 (struct constructor_range_stack, constructor_range_stack): New.
10171 (struct initializer_stack): Add constructor_range_stack.
10172 (finish_init): Set it.
10173 (start_init): Likewise. require_constant_elements for non-static
10174 trees only if not flag_isoc99.
10175 (really_start_incremental_init): Remove constructor_range_end, add
10176 constructor_incremental.
10177 (pop_init_level): Likewise.
10178 (push_init_level): Likewise. If implicit and the subobject had some
10179 value set already, preinitialize the level with it.
10180 Warn about missing braces only if not pushing due to designators.
10181 (set_designator, push_range_stack): New functions.
10182 (set_init_label): Use them.
10183 (set_init_index): Likewise. Remove constructor_range_end.
10184 Error if designator index is outside of array bounds.
10185 (add_pending_init): Compare values of purpose index trees, not the
10186 trees themselves. Allow overwriting of already initialized element.
10187 Issue a warning if it had side-effects.
10188 (set_nonincremental_init, set_nonincremental_init_from_string): New
10190 (pending_init_member): Rename to...
10191 (find_init_member): ...this function. Call set_nonincremental_init
10192 if necessary. Compare values of purpose index trees, not the trees
10193 themselves. Return the actual value, not just non-zero if something
10195 (output_init_element): Remove checks for duplicates.
10196 If field has zero size, only check the initializer for correctness.
10197 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10198 if constructor_incremental is zero. Change error about initializers
10199 not computable at load time into pedwarn.
10200 (output_pending_init_elements): Compare bit positions, not
10201 FIELD_DECLs to take into account zero-sized fields.
10202 (process_init_element): Use constructor_range_stack to fill all
10203 ranges in the designator lists from current level up.
10204 * extend.texi: Update documentation for labeled elements.
10206 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10208 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10209 to function usage for arguments passed by reference. Optimize
10210 callee-copied arguments.
10211 * regmove.c (replace_in_call_usage): New function.
10212 (fixup_match_1): Call it.
10213 * cse.c (cse_insn): Canonicalize registers in function usage.
10214 * reload1.c (replace_pseudos_in_call_usage): New function.
10217 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10220 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10222 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10225 2001-01-12 DJ Delorie <dj@redhat.com>
10227 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10228 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10231 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10233 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10234 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10235 -std options alongside references to -ansi. Update some
10236 documentation for C99.
10237 * cpp.1: Regenerate.
10239 2001-01-12 Andreas Jaeger <aj@suse.de>
10241 * haifa-sched.c (restore_line_notes): Remove argument block B
10243 * sched-ebb.c (schedule_ebb): Change caller.
10244 * sched-rgn.c (schedule_region): Likewise.
10245 * sched-int.h (restore_line_notes): Adjust prototype.
10247 * loop.h: Remove wrong declaration of doloop_condition_get.
10249 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10251 * extend.texi: Move C++-extension-related node from the C section
10252 into the C++ section.
10254 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10256 * extend.texi: Refer to an array of pointers to functions instead
10257 of one of functions.
10259 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10260 Jan Hubicka <jh@suse.cz>
10262 * combine.c (reversed_comparison): Fix typo in last patch.
10264 (combine_reversed_comparison_code): Make static to follow
10265 prototype declaration.
10267 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10269 * install.texi: Remove misplaced duplicate entry.
10271 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10273 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10275 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10277 * final.c: (leaf_function_p): Fix typo.
10279 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10281 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10282 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10284 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10285 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10286 mmap_anon, and valloc is available.
10287 * ggc-page.c: Restructure ifdef logic to match new autoconf
10288 spec. Don't throw away the test page in init_ggc.
10290 * configure, config.in: Regenerate.
10292 2001-01-12 Michael Hayes <mhayes@redhat.com>
10294 * loop.h (total_biv_increment): Constify iv_class pointer.
10295 (struct induction): Replace `mem_mode' with `mem' rtx.
10296 * unroll.c (total_biv_increment): Constify iv_class pointer.
10297 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10298 (find_mem_givs, combine_givs_p): Likewise.
10299 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10301 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10303 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10305 (__gthread_getspecific): Ditto.
10307 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10309 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10310 put_condition_code): Convert fp comparison codes to integer
10312 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10315 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10316 * i386-protos.h (no_comparison_operator): Kill.
10318 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10320 * combine.c (REVERSIBLE_CC_MODE): Remove.
10321 (reversible_comparison_p): Remove.
10322 (combine_reversed_comparison_code): New.
10323 (reversed_comparison): New.
10324 (combine_simplify_rtx): Use
10325 combine_reversed_comparison_code/reversed_comparison instead
10326 of reversible_comparison_p.
10327 (simplify_if_then_else): Likewise.
10328 (simplify_set): Likewise.
10329 (simplify_logical): Likewise.
10330 (if_then_else_cond): Likewise.
10331 (known_cond): Likewise.
10332 (simplify_comparison): Likewise.
10334 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10336 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10337 sizeof (int) is larger than sizeof(__word__).
10339 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10341 * cppinit.c (do_includes): Fix typo.
10343 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10345 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10346 in S_REGS does not occur because not all sources are possible
10347 when a S_REGS is a destination (sometimes needs a clobber).
10348 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10349 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10350 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10351 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10352 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10353 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10354 (lshrdi_const1, lshrsi3_const16): Likewise.
10355 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10356 (*movhi_68hc12, *movqi_68hc12): Likewise.
10357 (movstrictqi): Make sure reloading in D_REGS as a destination
10360 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10362 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10364 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10366 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10367 -D, -U and -A, and don't initialize the builtins.
10368 (do_includes): Error if -include or -imacros with -fpreprocessed.
10369 * cppmain.c (cb_define, cb_undef): Unconditionally process
10371 * tradcpp.c (main): Fix typo.
10373 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10375 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10376 (read_name_map): Use IS_ABSOLUTE_PATH.
10377 * tradcpp.c (get_filename): Likewise.
10379 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10381 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10382 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10383 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10384 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10385 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10386 (cmphi_z_used): Don't use '@' for the output.
10387 (tstqi_z_used): Likewise.
10388 (cmpqi_z_used): Likewise.
10389 (one_cmplsi2): Likewise.
10391 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10393 * config/sh/sh.c (barrier_align): Recognize branch around far
10394 branch and redundant insn.
10396 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10398 * invoke.texi: Restore documentation of the drivers' switches -MD
10401 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10403 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10405 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10406 check-objc//%): Support parallel testing of multilibs.
10407 (TESTSUITEDIR): Set to testsuite by default, but override for
10409 (check-gcc, check-g++, check-g77, check-objc): Enter
10412 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10414 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10415 * sched-deps.c (deps_may_trap_p): Likewise.
10416 * basic-block.h: Remove a comment.
10417 * flow.c (PROP_POSTRELOAD): Remove.
10418 (update_life_info): Don't add it to prop_flags.
10419 (mark_set_1): Lose the code that was enabled by it.
10421 2001-01-11 Michael Hayes <mhayes@redhat.com>
10423 * flow.c (flow_call_edges_add): New.
10424 * basic_block.h (flow_call_edges_add): New.
10426 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10428 * reload1.c (move2add_note_store): Update reg_set_luid even if
10429 base reg remains the same.
10431 2001-01-10 Nick Clifton <nickc@redhat.com>
10433 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10434 machine_function structure to zero.
10435 Add prototypes for machine_status functions.
10437 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10439 * c-common.h (CTI_VOID_LIST): Remove.
10440 (void_list_node): Likewise.
10441 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10442 (void_list_node): New macro.
10443 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10444 * config/i386/i386.c (ix86_init_builtins): Likewise.
10445 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10447 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10449 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10450 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10452 * tradcpp.c: Include mkdeps.h.
10453 (deps, print_deps_phony_targets, deps_append, output_deps,
10454 init_dependency_output, output_deps): New.
10455 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10456 deps_output): Delete.
10457 (print_deps_missing_files): Rename deps_missing_files.
10458 (inhibit_output): Make global.
10459 (main): Delete inhibit_output, deps_stream, deps_target.
10460 Use mkdeps functionality in the same way as cpplib. Remove
10461 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10462 -M and -MM. Remove old handling of deps via deps_out, and
10463 old reading of environment variables.
10464 (get_filename): Update to use deps_add_dep.
10466 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10468 * output.h (make_function_rtl): Remove prototype.
10469 (make_decl_rtl): Likewise.
10470 * varasm.c (make_function_rtl): Remove.
10471 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10472 than from a third parameter.
10473 * tree.h (make_decl_rtl): Remove last parameter.
10474 * c-decl.c (builtin_function): Remove last argument in call to
10475 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10476 (start_function): Likewise.
10477 * except.c (call_get_eh_context): Likewise.
10478 * expr.c (emit_block_move): Likewise.
10479 (clear_storage): Likewise.
10480 * profile.c (output_func_start_profiler): Likewise.
10481 * toplev.c (rest_of_decl_compilation): Likewise.
10482 * objc/objc-act.c (create_builtin_decl): Likewise.
10483 (synth_module_prologue): Likewise.
10484 (generate_static_reference): Likewise.
10485 (build_selector_reference_decl): Likewise.
10486 (build_class_reference_decl): Likewise.
10487 (build_objc_string_decl): Likewise.
10488 (build_protocol_reference): Likewise.
10490 2001-01-10 Richard Henderson <rth@redhat.com>
10492 * hwint.h: Revert yesterday's change.
10494 2001-01-10 Nick Clifton <nickc@redhat.com>
10496 * function.h (save_machine_status): Delete.
10497 (restore_machine_status): Delete.
10498 Amend comment describing {init|mark|free}_machine_status.
10500 * function.c (save_machine_status): Delete.
10501 (restore_machine_status): Delete.
10502 Amend comment describing {init|mark|free}_machine_status.
10503 (push_function_context_to): Remove invocation of
10504 save_machine_status.
10505 (pop_function_context_from): Remove invocation of
10506 restore_machine_status.
10508 * emit-rtl.c (init_emit_once): Amend comment describing
10509 {init|mark|free}_machine_status.
10511 * tm.texi (Per-Function Data): New node. Describe the
10512 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10515 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10517 * cppinit.c (OPT_g): Remove.
10518 (cpp_handle_option): Update for removed -g3.
10519 (print_help): Update.
10520 * cpplib.h (struct cpp_options): Remove debug_output.
10521 * cppmain.c (setup_callbacks, cb_define): Update.
10522 * gcc.c (cpp_options): Translate -g3 to -dD.
10524 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10526 * config/i960/i960.md: Change modifier to + on the zero_extract
10527 pattern after the (rotate -2 reg) canonicalization pattern.
10529 2001-01-10 Richard Henderson <rth@redhat.com>
10531 * config/alpha/alpha.c (alpha_free_machine_status): New.
10532 (override_options): Install it.
10533 (alpha_mark_machine_status): Verify machine non-null.
10534 * config/i386/i386.c (ix86_free_machine_status): New.
10535 (override_options): Install it.
10536 (ix86_init_machine_status): Use xcalloc.
10537 (ix86_mark_machine_status): Verify machine non-null.
10538 * config/ia64/ia64.c (ia64_free_machine_status): New.
10539 (ia64_override_options): Install it.
10540 (ia64_mark_machine_status): Verify machine non-null.
10542 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10544 * function.c (instantiate_virtual_regs): Instantiate virtual
10545 registers found in CALL_INSN_FUNCTION_USAGE.
10547 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10549 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10550 equivalent to -ansi in disabling -Di386.
10552 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10554 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10556 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10558 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10560 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10562 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10564 * invoke.texi: Document that -fcond-mismatch isn't supported for
10567 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10569 * gcc.texi: Define macro gcctabopt.
10570 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10571 @command, @env and @option in some places where appropriate. Use
10572 @gcctabopt where appropriate. Put URLs and email addresses inside
10575 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10577 * gcc.c (cpp_options): Set MD file name from output
10578 filename, if specified.
10579 (suffix_subst): New static variable.
10580 (do_spec): Clear it.
10581 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10583 (give_switch): Handle suffix_subst.
10585 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10587 * invoke.texi: Fix another typo.
10589 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10591 * invoke.texi: Fix typo.
10593 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10595 * c-lang.c (lang_hooks): Update.
10596 (lang_decode_option): Remove.
10597 (lang_init_options): Rename c_init_options.
10598 * toplev.c (main): Use lang_hooks for lang_init_options
10599 and lang_decode_option.
10600 * toplev.h (lang_hooks): Add 2 new hooks.
10601 * tree.h: Remove lang_init_options and lang_decode_option.
10602 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10603 * cp/decl2.c: Similarly.
10604 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10605 (lang_hooks): Update.
10606 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10608 (lang_init_options): Rename ffe_init_options.
10609 (lang_hooks): Update.
10610 (lang_decode_option): Remove.
10611 * java/lang.c (lang_init_options): Rename java_init_options.
10612 (lang_decode_option): Rename java_decode_option.
10613 (lang_hooks): Update.
10614 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10615 (lang_decode_option): Rename objc_decode_option.
10616 (lang_hooks): Update.
10618 2001-01-09 Nick Clifton <nickc@redhat.com>
10620 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10621 (d30v_return_addr_rtx): Delete.
10622 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10623 cfun->machine structure.
10624 (struct machine_function): Move to d30v.h
10625 (d30v_save_machine_status): Delete.
10626 (d30v_restore_machine_status): Delete.
10627 (d30v_init_machine_status): New Function.
10628 (d30v_mark_machine_status): New Function.
10629 (d30v_free_machine_status): New Function.
10630 (d30v_init_expanders): Use new functions.
10631 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10632 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10633 d30v_return_addr_rtx.
10635 * config/d30v/d30v.h (struct_machine): Move here.
10636 Add eh_epilogue_sp_ofs field.
10638 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10639 field in cfun->machine structure.
10641 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10643 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10644 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10645 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10647 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10649 * objc/lang-options.h: Remove bogus reference to
10652 2001-01-09 Kazu Hirata <kazu@hxi.com>
10654 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10657 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10659 * reload.c (find_reloads_address): Check for eliminable registers
10660 when substituting a constant expression for a pseudo.
10662 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10664 * c-common.c (enum format_type): Add format_type_error.
10665 (decode_format_type): New function.
10666 (decl_attributes): Use it.
10667 (format_kind_info): Adjust comment.
10669 2001-01-09 David O'Brien <obrien@BSDi.com>
10671 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10672 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10674 * config/i386/gnu.h: Don't include required platform specific .h files,
10675 tm.h will do it instead.
10676 * config/i386/i386elf.h: Likewise.
10677 * config/i386/linux.h: Likewise.
10678 * config/i386/moss.h: Likewise.
10679 * config/mips/gnu.h: Likewise.
10681 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10683 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10684 (rs6000-ibm-aix3.[01]*): Likewise.
10685 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10686 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10687 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10688 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10689 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10690 (powerpc-*-eabiaix*): Likewise.
10691 (powerpc-*-eabisim*): Likewise.
10692 (powerpc-*-elf*): Likewise.
10693 (powerpc-*-eabi*): Likewise.
10694 (powerpc-*-rtems*): Likewise.
10695 (powerpc-*-linux*libc1): Likewise.
10696 (powerpc-*-linux*): Likewise.
10697 (powerpc-wrs-vxworks*): Likewise.
10698 (powerpcle-wrs-vxworks*): Likewise.
10699 (powerpcle-*-sysv*): Likewise.
10700 (powerpcle-*-elf*): Likewise.
10701 (powerpcle-*-eabisim*): Likewise.
10702 (powerpcle-*-eabi*): Likewise.
10703 (powerpcle-*-solaris2*): Likewise.
10704 * config/rs6000/aix31.h: Delete includes.
10705 * config/rs6000/aix3newas.h: Likewise.
10706 * config/rs6000/aix41.h: Likewise.
10707 * config/rs6000/aix43.h: Likewise.
10708 * config/rs6000/beos.h: Likewise.
10709 * config/rs6000/rtems.h: Likewise.
10710 * config/rs6000/sysv4.h: Likewise.
10712 2001-01-09 Kazu Hirata <kazu@hxi.com>
10714 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10715 Change an argument mode of machine_mode to shift_mode of
10716 shift_mode. Remove an extra error check.
10717 (emit_a_shift): Adopt to the new calling prototype of
10719 (function_prologue): Fix code for a monitor
10720 function. Support H8/S.
10721 (function_epilogue): Do not output pop for a monitor function.
10723 2001-01-09 Nick Clifton <nickc@redhat.com>
10725 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10726 (setup_incoming_varargs): Use sysv_varargs_p field of the
10727 cfun->machine structure.
10728 (struct machine_function): Move to rs6000.h
10729 (rs6000_save_machine_status): Delete.
10730 (rs6000_restore_machine_status): Delete.
10731 (rs6000_init_machine_status): New Function.
10732 (rs6000_free_machine_status): New Function.
10733 (rs6000_init_expanders): Use new functions.
10735 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10737 (struct machine_function): Move here.
10739 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10740 sysv_varargs_p field of the cfun->machine structure.
10742 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10744 (rs6000_restore_machine_status): Remove prototype.
10746 2001-01-09 Richard Henderson <rth@redhat.com>
10748 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10749 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10750 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10751 (sched_analyze_2, sched_analyze_insn): Likewise.
10752 (sched_analyze, init_deps): Likewise.
10753 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10754 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10755 (compute_block_backward_dependences): Update propagate_deps call.
10757 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10759 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10761 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10763 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10764 (cpp_handle_option): Handle them.
10765 (cpp_post_options): Ensure one of -M or -MM is specified with
10766 any other -M? option.
10767 (init_dependency_output): Suppress output with -MG.
10769 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10771 * cpp.texi: Update.
10772 * invoke.texi: Update.
10774 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10776 * sh.md (reload_outsf): Generate recognizable patterns for
10779 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10781 * c-lang.c (lang_hooks): Update.
10782 (lang_init): Rename c_init.
10783 (lang_finish): Remove.
10784 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10785 and lang_finish ().
10786 * toplev.h (lang_hooks): Add init () and finish ().
10787 * tree.h (lang_init, lang_finish): Remove.
10788 * cp/tree.h (lang_init, lang_finish): Remove.
10789 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10790 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10792 (lang_init, lang_finish): Remove.
10793 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10794 (lang_hooks): Update.
10795 * java/lang.c (lang_init): Rename java_init.
10796 (lang_finish): Remove.
10797 (lang_hooks): Update.
10798 * objc/objc-act.c (lang_init): Rename objc_init.
10799 (lang_finish): Remove.
10800 (lang_hoooks): Update.
10802 20001-01-09 Graham Stott <grahams@redhat.com>
10804 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10805 after `ptr` is initialised.
10807 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10809 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10810 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10811 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10812 stack adjusts, instead of r3.
10814 2001-01-09 Michael Hayes <mhayes@redhat.com>
10816 * flow.c (flow_loop_scan): Break out of ...
10817 (flow_loops_find) ... here.
10818 * basic-block.h (flow_loop_scan): New.
10819 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10820 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10822 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10824 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10826 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10827 realloc()ing macro_buffer.
10829 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10830 if it's wider than long and the target's long is wider than the
10833 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10835 Remove support for using UWIN as a host machine.
10836 * configure.in: Issue an error message.
10837 * configure: Regenerated.
10838 * config.gcc: Remove xm_* UWIN configury.
10839 * config/i386/xm-uwin.h: Remove.
10841 2001-01-08 Nick Clifton <nickc@redhat.com>
10843 * config/v850/v850.c (ra_rtx): Delete.
10844 (v850_save_machine_status): Delete.
10845 (v850_restore_machine_status): Delete.
10846 (v850_init_machine_status): New function.
10847 (v850_mark_machine_status): New function.
10848 (v850_free_machine_status): New function.
10849 (v850_return_addr): Use ra_rtx field in machine structure.
10850 (v850_init_expanders): Use new functions.
10852 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10853 * config/v850/v850.c: Change arguments to v850_output+* functions
10854 to take a const char *, to avoid compile time warning.
10855 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10856 (USER_LABEL_PREFIX): Redefine.
10858 2000-01-08 Jim Wilson <wilson@redhat.com>
10860 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10861 1 to unsigned HOST_WIDE_INT before left shift.
10863 2001-01-08 Nick Clifton <nickc@redhat.com>
10865 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10866 the machine structure has been allocated.
10867 (arm_free_machine_status): New function: Free the machine
10868 specific function structure.
10870 2001-01-08 Richard Henderson <rth@redhat.com>
10872 * jump.c (simplejump_p): Revert last change.
10874 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10876 * cppinit.c (init): Rename init_library.
10877 (cpp_create_reader): Update.
10878 * gcc.c (cpp_options): If -o given, use it as the target of
10881 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10883 * arm.c (arm_arch5e): New variable.
10884 (all_cores): XScale is a 5TE device.
10885 (arm_override_options): Set arm_arch5e.
10886 (arm_init_builtins): __builtin_prefetch is in arch5e.
10887 * arm.h (arm_arch5e): Declare it.
10889 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10891 * arm.md (define_constants): Add defines for UNSPEC and
10892 UNSPEC_VOLATILE insns. Update all users.
10893 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10894 * arm.c (multi_register_push, note_invalid_constants)
10895 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10896 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10897 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10899 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10901 * jump.c (jump_optimize_1): Use reversed_comparison_code
10902 instead of can_reverse_comparison_p.
10903 (jump_back_p): Likewise.
10904 (invert_exp_1): Likewise.
10905 (thread_jumps): Likewise.
10906 * simplify-rtx.c (simplify_unary_operation): Likewise.
10907 (simplify_ternary_operation): Likewise.
10908 * cse.c (find_comparison_args): Convert to use
10909 can_reverse_comparison_p.
10910 (record_jump_equiv): Likewise.
10912 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10914 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10915 (EPILOGUE_USES): Define.
10916 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10917 automatically stack the LR if it isn't live.
10919 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10921 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10924 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10926 * ggc-page.c (max_alignment): New structure.
10927 (MAX_ALIGNMENT): New macro.
10928 (init_ggc): Use it to round up the sizes in the
10929 extra_order_size_table.
10931 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10933 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10936 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10938 * builtins.def (BUILT_IN_FPRINTF): New entry.
10940 * c-common.c (c_expand_builtin_fprintf): New function.
10941 (init_function_format_info): Handle __builtin_fprintf.
10942 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10943 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10945 * c-decl.c (duplicate_decls): Adjust comment.
10947 * extend.texi (fprintf): Document new builtin.
10949 2001-01-07 Richard Henderson <rth@redhat.com>
10951 * jump.c (simplejump_p): Recognize any single_set jump
10952 of the proper form.
10954 2001-01-07 Richard Henderson <rth@redhat.com>
10956 * configure.in (slibdir): Accept an --with-slibdir option.
10957 Use "test" not "[" in configure. Default to $(libdir).
10959 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10961 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10962 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10963 (SHLIB_LINK): Create links for the soname.
10964 * config/mips/t-iris6: Likewise.
10965 * config/sparc/t-slibgcc: Likewise.
10966 * config/sparc/t-slibgcc-sld: Likewise.
10968 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10970 * config/i386/i386.c (constant_call_address_operand): Accept
10971 (const (plus (symbol_ref) (const_int))).
10972 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10973 constant_call_address_operand.
10975 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10977 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10978 and LONG_LONG_TYPE_SIZE > 32.
10980 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10982 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10983 the previous change.
10985 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10987 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10989 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10990 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10991 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10994 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10996 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10998 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11000 * c-lang.c (c_post_options): Call cpp_post_options.
11001 * objc/objc-act.c (objc_post_options): Similarly.
11002 * cppmain.c (main): Similarly.
11003 * fix-header.c (read_scan_file): Similarly.
11004 * cppinit.c (cpp_start_read): Move option consistency checks
11005 to cpp_post_options. Don't call init_dependency_output.
11006 If needed, add default target and main file dependency.
11007 (OPT_MD, OPT_MMD): Remove.
11009 (cpp_handle_option): Update for OPT_* changes.
11010 (cpp_post_options): New.
11011 (init_dependency_output): Command line -MF overrides environment
11012 variables. Don't set default target etc. Suppress output
11013 if dependencies are going to stdout.
11014 (print_help): Update.
11015 * cpplib.h (cpp_post_options): New.
11016 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11018 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11020 * jump.c (comparison_dominates_p): Support unordered compares.
11022 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11024 * simplify-rtx.c (simplify_relational_operation): Always simplify
11025 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11028 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11030 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11031 (nonzero_bits): Likewise.
11032 (simplify_comparison): Likewise.
11033 (num_sign_bit_copies): Likewise; return more sane value depending
11034 on STORE_FLAG_VALUE.
11035 (known_cond): Do not assume EQ to be always true for equivalent
11038 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11040 * cse.c (fold_rtx): Handle unordered comparisons.
11042 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11044 * rtlanal.c (set_of_1): New static function.
11045 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11046 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11047 reg_set_last_last_regno): Remove.
11048 (set_of): New global function.
11049 (set_of_data): New structure.
11050 (reg_set_p, reg_set_last): Revamp for set_of.
11051 * rtl.h (set_of): New.
11053 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11055 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11056 * extend.texi: Document _Exit builtin.
11058 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11060 * (initialize, initialize_builtins,
11061 initialize_dependency_output, initialize_standard_includes):
11062 Rename s/initialize/init. Update.
11063 (init_dependency_output): Move to after
11064 cpp_handle_options, the correct location temporally at least.
11065 (opt_comp): Move next to init (), its caller. Fix prototype.
11066 (init): Make "initialized" local scope.
11067 (cpp_create_reader): Always call init ().
11068 (cpp_start_read): Update.
11069 (output_deps): New function, broken out of cpp_finish.
11070 (cpp_finish): Break out output_deps.
11072 2001-01-07 Richard Henderson <rth@redhat.com>
11074 * collect2.c (COFF specific stuff): Revert 12-06 patch
11075 to prototype system functions.
11077 2001-01-07 Michael Hayes <mhayes@redhat.com>
11079 * hard-reg-set.h: Add multiple include guard.
11080 * basic-block.h (struct loop): Add `sink' field.
11081 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11082 (emit_iv_add_mult): Delete.
11083 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11084 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11085 (unroll_loop): Remove end_insert_before argument.
11086 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11087 (maybe_eliminate_biv_1): Likewise.
11088 (emit_iv_add_mult): Delete.
11089 (gen_add_mult, loop_regs_update): New.
11090 (loop_insn_emit_after, loop_insn_emit_before): New.
11091 (loop_insn_sink, loop_insn_sink_or_swim): New.
11092 (emit_iv_add_mult): Delete.
11093 (scan_loop): Set loop->sink.
11094 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11095 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11096 (maybe_eliminate_biv_1): Likewise.
11097 (maybe_eliminate_biv_1): Add basic block argument.
11098 * unroll.c (unroll_loop): Remove end_insert_before argument.
11099 (find_splittable_regs): Likewise.
11100 (find_splittable_regs): Use loop_insn_sink and its ilk.
11101 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11103 2001-01-07 Michael Hayes <mhayes@redhat.com>
11105 * loop.h (loop_insn_hoist): New prototype.
11106 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11107 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11108 (check_dbra_loop, load_mems): Likewise.
11109 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11110 (find_splittable_givs): Likewise.
11112 2001-01-07 Michael Hayes <mhayes@redhat.com>
11114 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11116 2001-01-07 Richard Henderson <rth@redhat.com>
11118 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11120 2001-01-07 Richard Henderson <rth@redhat.com>
11122 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11123 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11124 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11125 variant that handles a shared libgcc.
11126 (process_command): Always validate -{static,shared}-libgcc.
11127 (do_spec_1): New 'M' case.
11128 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11130 2001-01-07 Richard Henderson <rth@redhat.com>
11132 * Makefile.in (slibdir): New variable.
11133 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11134 (installdirs): Create slibdir.
11135 (install-libgcc, install-multilib): Defer to libgcc.mk.
11136 * configure.in (slibdir): Substitute.
11137 * mklibgcc.in (install): New target.
11139 * config/t-linux (SHLIB_LINK): Create links for the soname.
11140 (SHLIB_INSTALL): New.
11141 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11142 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11143 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11144 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11145 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11147 2001-01-07 Richard Henderson <rth@redhat.com>
11149 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11150 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11151 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11153 2001-01-07 Michael Hayes <mhayes@redhat.com>
11155 * loop.c (count_loop_regs_set): Delete.
11156 (load_mems_and_recount_loop_regs_set): Delete.
11157 (loop_regs_scan): Merge common code from count_loop_regs_set,
11158 scan_loop, and load_mems_and_recount_loop_regs_set.
11159 (scan_loop): Call load_mems directly and loop_regs_scan
11160 again if new registers created.
11162 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11164 * toplev.c (main): Call the front-end specific post_options
11165 hook if one is given.
11166 * toplev.h (struct_lang_hooks, lang_hooks): New.
11167 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11168 for the C front end.
11169 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11170 lang_hooks for the C++ front end.
11171 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11172 lang_hooks for the ObjC front end.
11173 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11174 * java/lang.c (lang_hooks): Hooks for the Java front end.
11176 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11178 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11179 for verbose DWARF[2] debugging.
11180 (cb_define, cb_undef): The new callbacks.
11181 * toplev.h (debug_define, debug_undef): Make const correct.
11182 * toplev.c (debug_define, debug_undef): Similarly. Do not
11183 perform the verbosity tests here anymore.
11185 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11187 * reload.c (subst_reloads): Take INSN argument. When
11188 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11189 * reload.h (subst_reloads): Adjust prototype.
11190 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11191 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11192 present in JUMP_INSNs and copy them to JUMP_LABEL.
11193 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11194 JUMP_INSNs and insns with REG_LABELs that are followed by
11195 JUMP_INSNs with the same REG_LABEL.
11196 * sched-rgn.c (is_cfg_nonregular): Likewise.
11197 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11199 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11201 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11203 2001-01-06 Richard Henderson <rth@redhat.com>
11205 * loop.c (scan_loop): Use xcalloc for the regs array.
11206 (load_mems_and_recount_loop_regs_set): Zero the new memory
11207 received from xrealloc.
11209 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11211 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11213 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11215 * integrate.c (copy_rtx_and_substitute): When copying
11216 an ignored return value, strip REG_FUNCTION_VALUE_P.
11218 2001-01-06 Michael Hayes <mhayes@redhat.com>
11220 * loop.c (debug_biv, debug_giv): New.
11221 (loop_biv_dump): Break out from ...
11222 (record_biv): ... here.
11223 (loop_giv_dump): Break out from ...
11224 (record_giv): ... here.
11225 (loop_bivs_check): Use print_simple_rtl.
11226 * unroll.c (loop_iterations): Use print_simple_rtl.
11228 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11230 * pa.md (return, return_internal): Modify patterns to prevent regrename
11231 mucking with the return pointer.
11233 2001-01-05 Richard Henderson <rth@redhat.com>
11235 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11237 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11239 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11240 version supplied by Matteo Frigo.
11242 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11244 * cpp.texi: Update for -MQ.
11245 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11246 (cpp_cleanup): Always free pfile->deps.
11247 (initialize_dependency_output): Don't create pfile->deps.
11248 (cpp_handle_option): Similarly.
11250 * gcc.c (cpp_options): Handle -MQ.
11251 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11252 * mkdeps.c (base_name): Remove.
11253 (deps_init): Don't allocate vector space until it's needed.
11254 (deps_free): Only free vectors if allocated.
11255 (deps_add_target, deps_add_dep): Update for initial allocation.
11256 (deps_add_default_target): Don't strip to the base_name.
11258 2001-01-05 DJ Delorie <dj@redhat.com>
11260 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11261 (INIT_EXPANDERS): Define.
11263 * config/v850/v850.c (struct machine_function): Define.
11264 (v850_save_machine_status): New function.
11265 (v850_restore_machine_status): New function.
11266 (v850_return_addr): New function.
11267 (v850_init_expanders): New function.
11269 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11270 and v850_init_expanders.
11272 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11274 * cpplib.h (struct cpp_reader): Add help_only field.
11275 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11276 (cpp_handle_option): Set pfile->help_only if we see -h,
11277 --help, -target-help, or --version. Print version string but
11278 do not set help_only if we see -v or -version. Make text
11279 printed by -v match that printed by (-)-version.
11281 * cppmain.c (main): Exit after option parsing if
11282 pfile->help_only is true.
11284 * toplev.c (independent_decode_option): Call print_version,
11285 then exit, if we see --version (but not -version).
11286 (print_version): Split lengthy message into two lines.
11288 2001-01-05 Nick Clifton <nickc@redhat.com>
11290 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11291 temporary string for initialisation before calling ggc_alloc_string.
11293 2001-01-06 Michael Hayes <mhayes@redhat.com>
11295 * rtl.h (print_simple_rtl): New.
11296 * print-rtl.c (print_simple_rtl): New.
11297 (flag_simple): New.
11298 (print_rtx): Disable printing of flags and modes, etc.,
11299 if `flag_simple` nonzero.
11301 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11303 * function.c (fixup_var_refs): Use push_to_full_sequence where
11306 2001-01-05 Michael Meissner <meissner@redhat.com>
11308 * flags.h (flag_reorder_blocks): Add declaration.
11309 (flag_rename_block): Ditto.
11311 2001-01-05 DJ Delorie <dj@redhat.com>
11313 * function.c (reorder_blocks): Make sure the flags are all reset
11314 before using them to mark blocks, else a second invocation will
11315 corrupt the block chain.
11316 (reorder_blocks_0): New, resets the flags.
11318 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11320 * cse.c (find_comparison_args): Stop if the argument is known to
11323 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11325 * config/sh/sh.md (movdf): When splitting load into pair of
11326 registers, don't clobber the register used in the address too
11329 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11331 * varasm.c (mark_constant_pool): Improve initial comments.
11332 (mark_constants): Move marking of constants to mark_constant.
11333 (mark_constant): New function to recursively mark all constants
11334 referred to by a constant.
11336 2001-01-05 Catherine Moore <clm@redhat.com>
11338 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11340 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11342 * cp/lang-options.h: Bring comment in line with reality.
11343 * f/lang-options.h: Likewise.
11344 * java/lang-options.h: Likewise.
11345 * objc/lang-options.h: Likewise.
11346 * ch/lang-options.h: Likewise.
11347 * f/g77.texi: And update the manual.
11349 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11350 Denis Chertykov <denisc@overta.ru>
11352 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11353 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11354 * config/avr/avr.md (all peepholes that request a scratch register):
11355 Call it, FAIL the peephole if not safe (in interrupt functions).
11357 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11359 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11361 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11363 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11365 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11366 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11367 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11368 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11369 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11371 * extend.texi: Document these builtins.
11373 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11375 * c-common.c (lang_get_alias_set): Say we know nothing of
11376 VECTOR_TYPE aliasing.
11378 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11380 2001-01-05 Bruce Korb <bkorb@gnu.org>
11382 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11383 their x* equivalent versions for atexit-less systems
11384 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11385 systems (or any other system any more).
11387 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11389 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11390 output operands. Use arm_hard_register_operand for operand 4.
11391 (stmsi_postinc): Similarly.
11392 (ldmsi): Use arm_hard_register_operand for opernand 2.
11393 (stmsi): Similarly.
11394 * arm.c (arm_hard_register_operand): New function.
11395 * arm-protos.h (arm_hard_register_operand): Prototype it.
11397 * arm.h (HARD_REGNO_RENAME_OK): Define.
11399 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11401 * simplify-rtx.c (cfc_args): add "unordered" field.
11402 (check_fold_consts): Set unordered field.
11403 (simplify_relational_operation): Simplify the unordered
11406 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11409 * emit-rtl.c (try_split): Fix code to mark labels.
11410 * jump.c (mark_jump_label): Make global.
11411 * rtl.h (mark_jump_label): Declare.
11413 * predict.c (estimate_probability): Handle unordred comparisons.
11415 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11417 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11418 * cppinit.c (initialize_dependency_output): Update.
11419 (cpp_finish): Output dummy targets for -MP.
11421 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11422 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11423 * gcc.c (cpp_options): Update to handle -MP.
11424 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11425 to quote only the default target.
11426 (deps_phony_targets): Insert a preceding newline. Rename from
11427 deps_dummy_targets for consistency.
11430 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11432 * calls.c (emit_library_call_value_1): Support
11433 INIT_CUMULATIVE_LIBCALL_ARGS.
11434 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11436 2001-01-04 Richard Henderson <rth@redhat.com>
11438 * c-decl.c (finish_struct): Detect flexible array members
11439 used in an inappropriate context.
11440 * c-typeck.c (really_start_incremental_init): Special case
11441 constructor_max_index for zero length arrays.
11442 (pop_init_level): Allow initialization of flexible array
11443 members. Deprecate initialization of zero length arrays.
11444 Don't issue missing initializer warning for flexible array
11445 members or zero length arrays.
11446 (process_init_element): Don't dereference null DECL_SIZE.
11447 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11448 Don't abort for empty constructors. Use size_binop
11449 (output_constructor): Add commentary regarding zero length
11450 array futures. Abort if we try to initialize an array of
11451 unspecified length with a non-empty constructor in the middle
11454 * extend.texi (Zero Length): Update and clarify documentation
11455 on static initialization.
11457 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11459 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11460 with more than 32767 words of local storage.
11462 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11464 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11465 for 'abs', 'labs', and 'fabs'.
11466 (c4x_expand_builtin): Likewise.
11467 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11469 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11471 * config/sh/sh.md (prget, prset): New insn types.
11472 (return delay slot): Dont' allow prset.
11473 (call, sfunc delay slot): Don't allow prget.
11474 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11475 for prset and prget.
11477 2001-01-05 Michael Hayes <mhayes@redhat.com>
11479 * loop.h (struct loop_reg): New.
11480 (struct loop_regs): Change to use array of `struct loop_reg'.
11481 * loop.c: Replace assortment of varrays with single regs array.
11482 (count_one_set): Delete may_not_move array argument
11483 and use regs array instead. All caller's changed.
11484 (count_loop_regs_set): Delete may_not_move and single_usage
11485 arguments and use regs array instead. All caller's changed.
11486 (find_single_use_in_loop): Replace usage array argument with pointer
11487 to regs structure. All caller's changed.
11488 (loop_optimize): Delete `moved_once' array.
11490 2001-01-05 Michael Hayes <mhayes@redhat.com>
11492 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11493 Use it instead of loop_info->has_call for scanning loop mems.
11494 (check_dbra_loop): Replace loop_info->has_call test with
11495 loop_info->has_nonconst_call.
11497 2000-01-04 Matthew Hiller <hiller@redhat.com>
11499 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11502 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11504 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11505 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11507 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11509 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11510 (flag_short_double, flag_short_wchar): Define.
11511 (c_common_nodes_and_builtins): Create many tree nodes shared
11512 between C and C++ here instead of in cp/decl.c and ...
11513 * c-decl.c (init_decl_processing): ... here.
11514 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11515 (flag_short_double, flag_short_wchar): Don't define.
11516 (record_builtin_type): New function.
11517 (build_void_list_node): New function.
11518 * c-common.h (flag_short_double, flag_short_wchar,
11519 record_builtin_type, build_void_list_node): Declare.
11521 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11523 * integrate.c (expand_inline_function): Don't put a virtual
11524 register into the reg map.
11526 * function.c (fixup_var_refs_1): If force_operand didn't put
11527 the address into the target, move it there.
11529 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11531 Special-case tree_decl/tree_list allocations.
11532 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11533 (OBJECT_SIZE): New macro.
11534 (NUM_EXTRA_ORDER): Likewise.
11535 (extra_order_size_table): New variable.
11536 (NUM_ORDERS): New macro.
11537 (objects_per_page_table): New variable.
11538 (object_size_table): New variable.
11539 (G.pages): Use NUM_ORDERS to bound the array.
11540 (G.page_tails): Likewise.
11541 (DIV_ROUND_UP): Remove.
11542 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11543 (alloc_page): Use OBJECT_SIZE.
11544 (size_lookup): Don't make it const.
11545 (ggc_alloc): Use OBJECT_SIZE.
11546 (ggc_set_mark): Likewise.
11547 (ggc_get_size): Likewise.
11548 (init_ggc): Set up the object_size_table, objects_per_page_table,
11549 and adjust size_lookup.
11550 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11551 (ggc_pop_context): Use NUM_ORDERS.
11552 (clear_marks): Likewise.
11553 (sweep_pages): Likewise.
11554 (poison_pages): Likewise.
11555 (ggc_print_statistics): Use OBJECT_SIZE.
11557 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11559 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11560 Only call array_size_for_constructor if last field and array type
11561 with no upper bound.
11563 2001-01-04 Philip Blundell <philb@gnu.org>
11565 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11566 from bit 31 downwards, if this requires no more insns.
11567 (count_insns_for_constant): New helper function for above.
11569 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11571 * gencodes.c (output_predicate_decls): Remove empty initializer.
11573 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11575 * tree.c (copy_node): Remove documentation about obstacks.
11576 (buidl1): Check that nobody tries to build 2-argument nodes this
11579 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11581 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11584 * gencodes.c (output_predicate_decls): Fill empty initializer
11587 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11589 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11590 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11592 (do_include): Handle missing headers like cpp0.
11593 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11594 paths with first include pathname. Don't strcat to uninitialized
11597 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11599 * regrename.c (regrename_optimize): Don't rename from frame pointer
11600 if frame_pointer_needed.
11601 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11602 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11603 (ia64_reorg): Use it instead of scheduling if ! optimize.
11604 (errata_emit_nops): Properly call asm_noperands.
11605 (ia64_sched_reorder): Finish cycle if we see an asm.
11606 (ia64_variable_issue): Clear scheduling state after asms.
11608 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11610 * cpp.texi: Update for -MT.
11611 * cppinit.c (initialize_dependency_output): Add a default
11612 target if none has been given already.
11613 (no_tgt, OPT_MT): New.
11614 (cpp_handle_option): Handle -MT. Update -M etc.
11615 * cpplib.h (struct cpp_options): Remove deps_target.
11616 * gcc.c (cpp_options): Handle -MT.
11617 * mkdeps.c (struct deps): Move from mkdeps.h.
11618 (deps_calc_target): Rename deps_add_default_target. Add a
11619 default target if none has been specified already.
11620 * mkdeps.h (struct deps): Move to mkdeps.c.
11621 (deps_calc_target): Rename deps_add_default_target.
11623 2000-01-03 Richard Henderson <rth@redhat.com>
11625 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11627 * c-typeck.c (push_init_level): Move checks for flexible array
11628 members and zero length arrays ...
11629 (pop_init_level): ... here. Silently discard empty initializations.
11631 * varasm.c (output_constructor): Update for sizeof change to
11632 zero-length arrays.
11634 * extend.texi (Zero Length): Clarify semantics.
11636 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11638 * configure.in (tm.h): Include isns-codes.h last.
11639 * configure: Rebuilt.
11641 2001-01-03 Richard Henderson <rth@redhat.com>
11643 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11644 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11646 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11648 * tradcpp.c (main): Make sure finclude() is called with a valid
11649 indepth value while handling -include.
11651 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11653 * gencodes.c (output_predicate_decls): New function.
11655 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11656 even if it is not the first time machmode.h is #included.
11657 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11658 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11659 * gcc.texi (Copyright): Added 2001.
11661 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11663 * c-common.c (c_common_lang_init): New function. Warn if format
11664 warning options which only have effects when used with -Wformat
11665 are used without -Wformat.
11666 * c-common.h (c_common_lang_init): Declare.
11667 * c-lang.c (lang_init): Call c_common_lang_init.
11668 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11670 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11672 * configure.in: Check for the mktemp command.
11673 * configure: Regenerate.
11674 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11675 $TEMP. Create temporary files with mktemp, if available at
11676 configure time; otherwise use set -C. Remove temporary files
11679 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11681 * configure.in: Require at least texinfo 4.0. Check for whether
11682 Pod::Man is sufficiently recent to regenerate GCC manpages.
11683 * configure: Regenerate.
11684 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11686 (GENERATED_MANPAGES): Define.
11687 (generated-manpages): New target. Depend on cpp.1 as well as
11689 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11690 configure to generated-manpages or empty) rather than on the
11691 manpages directly. Remove execute permission from installed
11692 gcov.1 as well as cpp.1.
11693 * cpp.1, gcov.1: Regenerate.
11695 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11697 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11698 tree_low_cst. Allow using cmpstrsi in more cases.
11700 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11702 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11705 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11707 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11708 * Makefile.in (HOST_CFLAGS): Mention build-make.
11710 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11712 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11715 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11717 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11720 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11723 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11724 reg_base_value and reg_known_value arrays.
11725 (init_alias_analysis): Add more cases to detect known values.
11726 * sched-deps.c (deps_may_trap_p): New function.
11727 (sched_analyze_2): Use it.
11729 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11731 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11732 don't discard an ASHIFTRT if we're shifting in a wider mode.
11734 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11736 * toplev.c (rest_of_compilation): Don't print basic block information
11737 when CFG isn't up to date.
11739 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11741 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11742 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11743 (UNALIGNED_SHORT_ASM_OP): Define.
11744 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11746 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11748 * fold-const.c (fold_convert): Fix typo.
11750 2001-01-02 Richard Henderson <rth@redhat.com>
11752 * c-common.h (ASM_INPUT_P): New.
11753 * c-parse.in (asm): Set it when needed.
11754 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11755 existance of an operand.
11757 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11759 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11760 (dwarf2out_frame_debug_expr): Likewise.
11761 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11763 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11765 * i386.c (ix86_split_to_parts): Return number of part required;
11767 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11769 (ix86_split_long_move): Use number of part returned
11770 by ix86_split_to_parts
11771 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11773 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11774 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11775 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11776 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11777 (ALIGN_MODE_128): Add TFmode.
11778 (IS_STACK_MODE): Likewise.
11779 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11780 (HARD_REGNO_OK): Support TFmodes.
11781 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11782 * i386.md (scheduler definitions): Use memory operand to determine
11783 fst/fld instructions; use mode attribute to determine real mode of
11785 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11786 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11788 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11790 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11792 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11794 * expr.c (store_constructor_field): Update ALIGN before calling
11797 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11799 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11802 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11804 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11807 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11809 * c-decl.c (start_function): Don't warn on third parameter to main.
11811 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11813 * tsystem.h: Define HAVE_DECL_GETOPT.
11815 2001-01-02 Philip Blundell <pb@futuretv.com>
11817 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11820 2001-01-02 Richard Henderson <rth@redhat.com>
11822 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11824 2001-01-02 Andreas Jaeger <aj@suse.de>
11826 * c-decl.c (c_decode_option): Remove support of
11827 -Wmissing-noreturn.
11829 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11830 (W_options): Add -Wmissing-noreturn here.
11832 * flow.c: Define lang_missing_noreturn_ok_p.
11833 (check_function_return_warnings): Use it.
11835 * c-common.h: Declare lang_missing_noreturn_ok_p.
11837 * c-lang.c (c_missing_noreturn_ok_p): New function.
11838 (lang_init): Set lang_missing_noreturn_ok_p.
11840 * invoke.texi (Warning Options): Document this.
11842 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11844 * extend.texi (C++ Extensions): New node for C++ attributes;
11845 describe init_priority and com_interface.
11846 * invoke.texi: Remove -finit-priority as it now has zero effect.
11847 * install.texi: Fix xref syntax.
11848 * md.texi: Likewise.
11850 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11852 * config.gcc (sparc64-wrs-vxworks*): New case.
11853 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11855 * config/sparc/sparc.c (sparc_override_options): Do support different
11856 pointer and architecture size.
11857 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11858 (POINTERS_EXTEND_UNSIGNED): Define.
11859 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11860 (FUNCTION_MODE): Define to be Pmode.
11861 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11863 * function.c (expand_function_end): Properly handle DECL_RESULT
11864 and copy when ptr_mode != Pmode.
11865 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11867 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11869 * c-common.c (c_common_nodes_and_builtins): Set prototype
11870 parameters for __builtin_fputs, __builtin_fputc and
11871 __builtin_fwrite. Don't declare plain fputc as a builtin.
11873 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11875 * loop.c (add_label_notes): Increment the label usage count when
11876 a note is added to an insn which refers to a CODE_LABEL.
11877 * gcse.c (add_label_notes): Likewise.
11879 2001-01-01 Andreas Jaeger <aj@suse.de>
11881 * loop.c (scan_loop): Use xmalloc to allocate movables.
11883 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11885 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11886 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11887 * reload1.c (REGISTER_MOVE_COST): Likewise.
11888 * regclass.c (REGISTER_MOVE_COST): Likewise.
11889 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11890 dimension. Adjust all users.
11891 (init_reg_sets_1): Iterate on all modes.
11892 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11893 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11894 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11895 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11896 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11897 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11898 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11899 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11900 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11901 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11902 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11903 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11904 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11905 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11906 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11907 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11908 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11909 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11910 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11911 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11912 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11913 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11914 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11915 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11916 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11917 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11918 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11920 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11922 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11923 arg VARIES_P. Call it with extra arg.
11924 (true_dependence): Likewise.
11925 * rtl.h (rtx_addr_can_trap_p): Declare.
11926 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11928 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11929 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11930 pic offset table register if it's zero. All callers changed.
11931 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11933 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11935 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11936 STRING_POOL_ADDRESS_P.
11938 * config/sparc/sparc.c (input_operand): Properly test for short op.
11940 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11941 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11942 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11943 * config/sparc/elf.h: No longer include sol2.h.
11944 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11945 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11947 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11949 2001-01-01 Michael Hayes <mhayes@redhat.com>
11951 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11952 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11953 (record_initial): Likewise.
11954 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11955 (remap_split_bivs): Likewise.
11957 2001-01-01 Michael Hayes <mhayes@redhat.com>
11959 * loop.c (loop_ivs_free): New function.
11960 (strength_reduce): Break out from...
11962 2001-01-01 Michael Hayes <mhayes@redhat.com>
11964 * loop.h (struct iv): New.
11965 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11966 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11967 'reg_biv_class' fields with 'regs' and 'n_regs'.
11968 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11969 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11970 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11972 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11974 * resource.c (mark_referenced_resources): Abort() before
11975 attempting to mark a pseudo register.
11976 (mark_set_resources): Likewise.
11978 2001-01-01 Michael Hayes <mhayes@redhat.com>
11980 * loop.h (REG_IV_CLASS): New accessor macro.
11981 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11982 * unroll.c (REG_IV_CLASS): Likewise.
11984 See ChangeLog.4 for earlier changes.