1 2001-05-26 Philip Blundell <philb@gnu.org>
3 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
4 * config/i960/i960-protos.h: Likewise.
5 * config/i370/i370-protos.h: Likewise.
6 * config/h8300/h8300-protos.h: Likewise,
7 * config/sh/sh-protos.h: Likewise.
8 * config/v850/v850-protos.h: Likewise.
10 2001-05-26 Philip Blundell <philb@gnu.org>
12 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
14 2001-05-25 Zack Weinberg <zackw@stanford.edu>
16 * toplev.c (debug_args, f_options, W_options): Mark
17 descriptions for translation.
18 (display_help): Translate descriptions on output.
20 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
21 objc/lang-options.h: Mark descriptions for translation.
23 * aclocal.m4: Quote final argument of patsubst. Use
24 3-argument form of AC_DEFINE. Restore quotes to [] while
26 * configure.in: Remove unnecessary changequote calls.
27 * configure, config.in: Regenerate.
29 2001-05-25 Sam TH <sam@uchicago.edu>
31 * basic-block.h: Fix header include guards.
32 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
33 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
34 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
35 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
36 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
37 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
38 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
39 varray.h version.h: Likewise.
40 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
41 config/arm/arm.h config/c4x/c4x-protos.h
42 config/h8300/h8300-protos.h config/h8300/h8300.h
43 config/i370/i370-protos.h config/i370/i370.h
44 config/i960/i960-protos.h config/mcore/mcore.h
45 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
46 config/v850/v850-protos.h config/v850/v850.h: Likewise.
47 * fixinc/fixlib.h fixinc/server.h: Likewise.
49 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
51 * config/arc/initfini.c (.init): Fix typo.
53 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
55 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
57 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
59 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
61 2001-05-25 Richard Henderson <rth@redhat.com>
63 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
65 2001-05-25 Richard Henderson <rth@redhat.com>
67 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
68 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
69 (sparc*-*-solaris2): Likewise.
70 * config/t-linux: Remove shared libgcc macros.
71 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
72 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
74 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
76 * config.gcc (*-*-freebsd*): Report bad configuration.
78 2001-05-25 David Edelsohn <edelsohn@gnu.org>
80 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
82 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
84 (ASM_OUTPUT_LABELREF): Delete.
86 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
88 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
89 strict_ansi_only): Don't run if stdc_0_in_system_headers.
90 * fixinc/fixincl.x: Regenerate.
91 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
92 (FIX_TEST_TABLE): Declare it.
93 * fixinc/fixlib.h: Include config.h.
95 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
97 * fixinc/inclhack.def (alpha___assert): Change char * args to
98 const char * on Tru64 UNIX to avoid excessive warnings from
100 * fixinc/fixincl.x: Regenerate.
102 2001-05-25 Geoff Keating <geoffk@redhat.com>
104 * dbxout.c (dbxout_symbol): Invert previous patch, which was
105 outputting a tag only for variable-size records.
107 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
109 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
110 instead of rtx_equal_p for early clobber test.
112 2001-05-26 Mark Mitchell <mark@codesourcery.com>
114 * builtins.def: Encode additional information, such as names and
116 * builtin-types.def: New file.
117 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
118 (built_in_decls): Likewise. Don't explicitly initialize global
120 (expand_builtin_mathfn): Handle float and long double variants of
122 (expand_builtin): Likewise.
123 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
124 (expand_tree_builtin): Handle long, long long, float, and long
125 double variants of math functions.
126 * c-common.h (c_tree_index): Remove some unused nodes.
127 (void_ftype): Remove.
128 (void_type_ptr): Likewise.
129 (int_ftype_int): Likewise.
130 (ptr_ftype_sizetype): Likewise.
131 * c-decl.c (init_decl_processing): Remove creation of DWARF
133 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
134 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
135 * Makefile.in (c-common.o): Depend on builtin-types.def.
137 2001-05-25 Dale Johannesen <dalej@apple.com>
139 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
141 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
143 * c-parse.in (notype_initdcl): Remove redundant line.
145 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
147 * aclocal.m4: Fixed typo.
148 (gcc_AC_HEADER_STDBOOL): Define.
149 (gcc_AC_C__BOOL): Define.
150 * configure.in: Use them.
151 (AC_CHECK_HEADERS): Remove stdbool.h
152 * configure, config.in: Regenerate.
154 2001-05-25 Richard Henderson <rth@redhat.com>
156 * function.c (expand_function_start): Don't abort on PARALLEL
157 returns from hard_function_value.
159 2001-05-25 Richard Henderson <rth@redhat.com>
161 * config/i386/i386.md: Revert previous change. Do not apply
162 the peephole if the components do not die after the sequence.
164 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
166 * c-parse.in (array_declarator): New. Handle C99 constructs.
167 Don't restrict [*] declarators to C only.
168 (after_type_declarator, parm_declarator_starttypename,
169 parm_declarator_nostarttypename, notype_declarator,
170 direct_absdcl1): Use it.
171 * c-decl.c (build_array_declarator, set_array_declarator_type):
172 New functions. Warn that [*] isn't properly implemented; pedwarn
173 for [*] outside C99 mode if pedantic rather than giving a hard
175 (grokdeclarator): Handle static and type qualifiers in parameter
177 * c-tree.h (build_array_declarator, set_array_declarator_type):
179 * extend.texi (Attribute Syntax): Document attributes in parameter
182 2001-05-25 Mark Mitchell <mark@codesourcery.com>
184 * config/i386/i386.md: Make sure cmpstr peepholes do not
185 affect liveness information.
187 2001-05-24 Mark Mitchell <mark@codesourcery.com>
189 * c-typeck.c (digest_init): Issue error messages about
190 invalid constants, not warnings.
192 2001-05-24 Mark Mitchell <mark@codesourcery.com>
194 * invoke.texi (-fno-builtin): Document that this is always on
197 2001-05-24 Philip Blundell <philb@gnu.org>
199 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
202 2001-05-24 Philip Blundell <philb@gnu.org>
204 * config/arm/arm.c (output_return_instruction): Correctly handle
205 interworking and interrupt functions.
207 2001-05-24 Philip Blundell <philb@gnu.org>
209 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
210 -m{no-}sched-prolog. Fix typos and improve formatting.
212 2001-05-24 Philip Blundell <philb@gnu.org>
214 * invoke.texi (ARM Options): Improve wording slightly. Add
215 documentation for more options, including those for Thumb mode.
216 Don't mention options that don't exist or are unimplemented.
217 (Thumb Options): Delete; merged into above section.
219 2001-05-24 Geoff Keating <geoffk@redhat.com>
221 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
222 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
224 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
226 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
227 fix hard register simplification.
229 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
231 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
232 of just copying CPP_CPU_SPEC.
234 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
236 * i386.c (incdec_operand): Accept only 1 and -1.
238 2001-05-23 Kelley Cook <kelley.cook@home.com>
240 * Makefile.in: Move many of the *_H definitions eariler in the
241 file, so that rules in t-* files that use them for
242 dependencies will work in a parallel build.
243 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
245 2001-05-23 Richard Henderson <rth@redhat.com>
247 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
249 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
251 * cpp.texi: Update for handling of charconsts.
252 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
253 diagnostics. Skip to the end if the UCS is too short.
254 (cpp_interpret_charconst): Long charconsts issue a warning
257 2001-05-23 Richard Henderson <rth@redhat.com>
259 * doc/install.texi (alpha-linux): Require binutils 2.11.
261 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
263 * c-lex.c (read_escape, read_ucs): Delete.
264 (lex_string): Use cpp_parse_escape.
265 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
266 if not C++ or not C99. Warn if traditional.
267 (parse_escape): Rename cpp_parse_escape. Make the bitmask
268 unsigned. Warn for out-of-range escape sequences here.
269 Update to use maybe_read_ucs.
270 (cpp_interpret_charconst): Don't warn here.
271 * cpplib.h (cpp_parse_escape): New exported function.
273 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
275 * extend.texi (Attribute Syntax): Clarify application of
276 attributes to parameters declared as functions or arrays.
278 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
280 * dbxout.c (dbxout_type_methods): Do still group methods by name.
282 2001-05-23 Zack Weinberg <zackw@stanford.edu>
284 * diagnostic.c (vnotice): Kill.
285 (fnotice): Call vfprintf directly.
286 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
287 verbatim, set_diagnostic_context): Rename string argument to
288 indicate that it is run through gettext.
289 (vbuild_message_string, build_message_string, output_do_printf):
290 Rename string argument to indicate that it is NOT run through
292 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
293 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
294 Run msgid argument through gettext.
295 (default_print_error_function): Run constant strings through
296 gettext when nothing else will.
297 (fatal_error, internal_error, error_recursion): Use fnotice.
298 Present complete sentences to gettext.
300 2001-05-23 Mark Mitchell <mark@codesourcery.com>
302 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
304 2001-05-23 Richard Henderson <rth@redhat.com>
306 * function.c (expand_function_start): Always use a pseudo
307 for the function result value.
309 2001-05-22 Richard Henderson <rth@redhat.com>
311 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
312 section pointer alignment.
314 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
316 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
317 of __USER_LABEL_PREFIX__.
319 2001-05-22 Richard Henderson <rth@redhat.com>
321 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
322 (__deregister_frame_info_bases): New.
323 * unwind-dw2-fde.h: Declare it.
324 * libgcc-std.ver: Export it.
325 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
326 called __register_frame_info_bases.
328 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
330 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
331 instead of #elif (which is OK for this case but not in general).
333 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
335 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
336 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
337 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
338 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
339 "r2" to the assembly file. Only issue allocs with non-zero parameters.
341 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
342 David O'Brien <obrien@freebsd.org>
344 * config/freebsd.h (LIB_SPEC): Key the exact setting to
345 configure-time options and target version of FreeBSD. Set-up
346 to match architectural change in threading support. Correctly
347 report when -pthread option is not supported by configure-time
349 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
350 and extend to encode target version number in run-time setting
351 of __FreeBSD__ macro to match the system compiler.
352 (CPP_PREDEFINES): Likewise.
353 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
355 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
356 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
358 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
359 David O'Brien <obrien@freebsd.org>
361 * config.gcc (the unlabeled system switch statement): Add
362 generic configuration section to handle *-*-freebsd*. Also,
363 to match the system compiler, default to threading support (it
364 may be disabled with the standard --disable-threads
365 configuration-time switch).
366 (i[34567]86-*-freebsd* in machine-specific section): Use it.
367 (alpha*-*-freebsd* in machine-specific section): Likewise.
369 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
370 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
371 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
372 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
373 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
375 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
376 David O'Brien <obrien@freebsd.org>
378 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
379 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
380 -pthread instead setting macro.
382 2001-05-22 Richard Henderson <rth@redhat.com>
384 * crtstuff.c (__register_frame_info_bases): Declare.
385 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
386 (__do_global_dtors_aux, __do_global_dtors): Streamline.
388 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
389 (CRT_GET_RFIB_DATA): New.
390 * config/i386/sysv4.h: Likewise.
391 * config/i386/sco5.h: Likewise.
392 (ASM_PREFERRED_EH_DATA_FORMAT): New.
394 2001-05-22 Richard Henderson <rth@redhat.com>
396 * rtl.c (read_string): Break out from ...
397 (read_rtx): ... here.
399 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
401 * doc/install.texi (Specific): Remove a bogus and duplicate part
402 copied from the end of the document.
404 2001-05-22 Bernd Schmidt <bernds@redhat.com>
406 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
408 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
410 * install.texi: Remove obsolete information on SunOS as well as
411 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
412 (Installing GNU CC on the Sun): Remove section.
414 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
416 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
417 keep errno unchanged on success.
419 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
421 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
422 once for hexadecimal floats, whether or not they contain a decimal
423 point. Don't let the setting of pedantic otherwise affect the
424 parsing of hexadecimal floats.
426 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
428 * README.ACORN: Remove obsolete file.
430 2001-05-22 Jan Hubicka <jh@suse.cz>
432 * combine.c (gen_binary): Use swap_commutative_operands_p
433 (simplify_comparison): Likewise.
434 * expmed.c (emit_store_flag): Likewise.
435 * expr.c (compare_from_rtx): Likewise.
436 (do_compare_rtx_and_jump): Likewise.
437 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
438 if not emitting a branch and operands want swapping.
440 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
442 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
443 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
444 (maybe_get_identifier): Update.
445 * tree.h (make_identifier): Delete.
447 2001-05-21 Richard Henderson <rth@redhat.com>
449 * combine.c (subst): Do not substitute for a register as
450 a destination subreg/strict_low_part/zero_extract.
452 * combine.c (simplify_comparison): Update op1 after constant
454 * recog.c (const_int_operand): Accept only constants valid
456 * genrecog.c: Update comments wrt const_int_operand.
458 * emit-rtl.c (init_emit_once): Zero unused memory in a
461 2001-05-21 Mark Mitchell <mark@codesourcery.com>
463 * tree.h (type_num_arguments): Declare it.
464 * tree.c (type_num_arguments): New function.
466 2001-05-21 Richard Henderson <rth@redhat.com>
468 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
471 2001-05-21 Geoff Keating <geoffk@redhat.com>
473 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
475 (minsf3): Use rs6000_emit_minmax.
476 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
478 (movsfcc): Use rs6000_emit_cmove.
479 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
480 Don't generate emit_fselsfsf4.
481 (fseldfsf4): Likewise.
482 (maxdf3): Use rs6000_emit_minmax.
484 (mindf3): Use rs6000_emit_minmax.
485 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
487 (movdfcc): Use rs6000_emit_cmove.
488 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
489 Don't generate emit_fselsfsf4.
490 (fselsfdf4): Likewise.
491 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
492 (min_max_operator): New predicate.
493 (rs6000_emit_cmove): New function.
494 (rs6000_emit_minmax): New function.
495 * config/rs6000/rs6000-protos.h: Prototype new functions.
496 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
497 and min_max_operator.
499 * config/rs6000/rs6000.c (output_cbranch): Handle all
500 conditional types in the switch statement.
502 2001-05-21 Mark Mitchell <mark@codesourcery.com>
504 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
505 non-register variables.
506 * extend.texi: Document that asm-specifications do not make sense
507 for non-static local variables.
509 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
511 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
512 (dbxout_type_fields): Lose minimal_debug support.
513 (dbxout_type_methods, dbxout_type): Likewise.
515 2001-05-17 Andrew Haley <aph@redhat.com>
517 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
519 2001-05-21 Richard Henderson <rth@redhat.com>
521 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
524 2001-05-20 Richard Henderson <rth@redhat.com>
526 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
527 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
528 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
529 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
530 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
532 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
533 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
534 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
535 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
536 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
537 DEBUG_PUBNAMES_SECTION): Rename as above.
538 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
540 2001-05-20 Richard Henderson <rth@redhat.com>
542 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
543 operands unless the operation is commutative.
545 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
550 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
552 * extend.texi: Clarify documentation of extensions included in ISO
553 C99. Prefer C99 terminology and syntax to old GNU terminology and
554 syntax. Add more index entries. Document mixed declarations and
555 code as an extension in C89 mode. Warn about future changes to
556 semantics of inline functions. Fixes PR other/930.
558 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
560 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
561 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
562 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
563 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
565 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
567 2001-05-20 Richard Henderson <rth@redhat.com>
569 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
570 to be output before a branch.
572 2001-05-20 Richard Henderson <rth@redhat.com>
574 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
576 2001-05-20 Richard Henderson <rth@redhat.com>
578 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
579 (ASM_DOUBLE): Remove.
580 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
581 * config/i386/sun386.h: Likewise.
583 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
584 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
586 * config/i386/cygwin.h (INT_ASM_OP): Remove.
587 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
588 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
589 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
591 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
592 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
593 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
594 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
595 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
596 * config/i386/win32.h: Likewise.
598 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
600 * invoke.texi: Add more options to summary list.
602 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
604 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
605 used. Fixes PR c/2291.
608 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
610 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
611 the -fpic and -fPIC options, clear flag_pic.
613 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
615 * hashtable.c (calc_hash): Fix HASHSTEP definition.
616 * stringpool.c (make_identifier): No statistics here anymore.
617 * objc-act.c (steup_string_decl): Remove redundant check.
619 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
621 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
622 cpplib.o, cpphash.o, fix-header): Update.
623 (hashtable.o): New target.
624 * c-common.h: Include cpplib.h. Define C_RID_CODE and
625 struct c_common_identifier here.
626 * c-lang.c (c_init_options): Update. Call set_identifier_size.
627 * c-lex.c (c_lex): Update.
628 * c-pragma.h: Update.
629 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
631 (C_RID_CODE): Delete.
632 * cpphash.c: Rewrite to use hashtable.c.
633 * cpphash.h: Update include guards.
634 (struct cpp_reader): Remove hashtab.
635 hash_ob and buffer_ob are no longer pointers. Add hash_table
637 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
638 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
639 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
640 * cppinit.c (cpp_create_reader): Update.
641 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
642 (cpp_interpret_charconst): Eliminate warning.
643 * cpplib.c (do_pragma, do_endif, push_conditional,
644 cpp_push_buffer, cpp_pop_buffer): Update.
645 (_cpp_init_stacks): Rename cpp_init_directives.
646 (_cpp_cleanup_stacks): Remove.
647 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
648 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
649 cpp_forall_identifiers, cpp_create_reader): Update.
650 (C_RID_CODE, cpp_make_node): New.
651 (c_common_identifier): New identifier node for C front ends.
652 * cppmain.c (main): Update.
653 * fix-header.c (read_scan_file): Update.
654 * flags.h (id_clash_len): Make unsigned.
655 * ggc.h (ggc_mark_nonnull_tree): New.
658 * stringpool.c: Update comments and copyright. Update to use
660 * toplev.c (approx_sqrt): Move to hashtable.c.
661 (id_clash_len): Make unsigned.
662 * toplev.h (ident_hash): New.
663 * tree.c (gcc_obstack_init): Move to hashtable.c.
664 * tree.h: Include hashtable.h.
665 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
666 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
667 (struct tree_identifier): Update.
668 (make_identifier): New.
670 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
671 (C_RID_CODE): Remove.
672 * lex.c (cxx_init_options): Call set_identifier_size. Update.
673 (init_parse): Don't do it here.
675 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
677 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
679 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
681 (expand_eh_return): Convert between word_mode and Pmode.
682 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
684 (execute_stack_op): Likewise.
685 (execute_cfa_program): Likewise.
686 (uw_frame_state_for): Likewise.
687 (uw_update_context_1): Likewise.
688 * unwind.inc (_Unwind_Reason_Code): Likewise.
689 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
690 (EH_RETURN_STACKADJ_RTX): Likewise.
691 * config/mips/mips.c (compute_frame_size): Make space for saving
693 (mips_expand_epilogue): Handle EH stack adjustments.
694 * config/mips/mips.md (eh_return): New pattern.
695 (eh_set_lr_si): Likewise.
696 (eh_set_lr_di): Likewise.
697 Add splitter to perform EH return after reload.
699 2001-05-19 Mark Mitchell <mark@codesourcery.com>
701 * jump.c (mark_jump_label): Tidy previous change.
703 2001-05-19 Bruce Korb <bkorb@gnu.org>
705 * fixinc/genfixes: no need for two warnings
706 * fixinc/Makefile.in: open stdin for those building with a closed one.
708 2001-05-19 Mark Mitchell <mark@codesourcery.com>
710 * jump.c (jump_optimize_1): Tidy.
711 (mark_jump_label): When changing the label in a LABEL_REF, change
712 update any REG_EQUAL notes as well.
714 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
716 * c-parse.in (parm_declarator): Split into
717 parm_declarator_starttypename and parm_declarator_nostarttypename.
718 (parm_declarator_starttypename, parm_declarator_nostarttypename):
719 New. Allow parenthesised sub-declarators which don't begin with a
720 TYPENAME. Fixes PR c/166.
722 2001-05-19 Mark Mitchell <mark@codesourcery.com>
724 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
726 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
728 * toplev.c (main): If the target does not allow profiling without
729 a frame pointer, issue an error message.
730 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
733 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
735 * recog.c (general_operand): Modify last change to allow it if reload
738 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
740 * recog.c (general_operand): Prohibit nonzero subreg bytes on
741 subregs containing mem.
743 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
745 * regrename.c (regrename_optimize): frame pointer register can
748 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
750 * README.DWARF: Move into dwarfout.c.
752 2001-05-18 Dale Johannesen <dalej@apple.com>
754 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
755 specific misuse of r0 as a reload address.
757 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
759 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
762 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
764 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
765 (add_to_sequence): Make that decision type.
766 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
767 (write_switch, write_cond, debug_decision_2): Likewise.
769 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
771 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
774 2001-05-18 Stan Shebs <shebs@apple.com>
776 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
777 * configure: Regenerate.
779 2001-05-18 Per Bothner <per@bothner.com>
781 Changes needed for java/jvspec.c
782 * gcc.h (n_infiles, outfiles): Add declarations.
783 * gcc.c (n_infiles, outfiles): Mske no longer static.
785 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
787 * config/pa/som.h (EXCEPTION_SECTION): Define.
789 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
791 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
793 Add have_location_lists, a variable to determine whether we need a
794 .debug_loc section or not.
795 (enum dw_val_class): Add dw_val_class_loc_list.
796 (dw_val_struct): Add val_loc_list.
797 (dw_loc_list_struct): New structure, represents location lists.
798 (new_loc_list): New function, return a new location list, given
799 the range and location expression.
800 (add_loc_descr_to_loc_list): New function, add a location
801 expression to a location list, given the expression and range.
802 (output_loc_list): New function, output a location list.
803 (gen_internal_sym): Modified to take symbol prefix, so we can
804 reuse it for location list symbols.
805 (add_AT_loc_list): New function, add a location list to a DIE at
807 (AT_loc_list): New function, return the location list reference
808 for a given attribute, if it's a location list.
809 (print_die): Handle dw_val_class_loc_list.
810 (size_of_die): Ditto.
811 (value_format): Ditto.
813 (output_location_lists): New function, output all of the location
814 lists for a DIE and it's children.
815 (dwarf2out_finish): Call output_location_lists if we have location
819 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
821 * gcse.c (try_replace_reg): First try global replace, later try to
822 simplify the expression.
824 * gcse.c (find_used_regs): Change calling convention; work via
826 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
828 2001-05-18 Bernd Schmidt <bernds@redhat.com>
831 2001-02-09 Nick Clifton <nickc@redhat.com>
832 * config/arm/arm.md: Change output constraint on post inc
833 load/store multiple patterns to be a read/write constraint.
835 2001-05-18 Mark Mitchell <mark@codesourcery.com>
837 * basic-block.h (struct basic_block_def): Add documentation about
838 what a basic block is, and what the various fields are used for.
839 * flow.c (calculate_globlal_regs_live): Add documentation about
840 how the algorithm works, and how we know that it will terminate.
841 Check that the the inductive assumption that guarantees
842 termination actually holds.
843 (mark_used_regs): Treat conditionally set registers as used.
844 (debug_regset): Add comment.
845 * rtl.texi (cond_exec): Add documentation.
847 * function.c (expand_function_start): Avoid creating BLKmode
850 2001-05-17 Mark Mitchell <mark@codesourcery.com>
852 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
853 DIE, even if it has no children.
854 (dwarf2out_finish): Always output the line-number table, even if
857 2001-05-18 David Edelsohn <edelsohn@gnu.org>
859 * rs6000.md (movsfcc,movdfcc): Remove NE case.
861 2001-05-17 Bruce Korb <bkorb@gnu.org>
863 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
864 * fixinc/genfixes: emit a warning if AutoGen is out of date
866 2001-05-17 Brendan Conoboy <blc@cygnus.com>
867 Bruce Korb <bkorb@gnu.org>
869 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
870 found in fixinc directory. Facilitates binary distributions.
872 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
874 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
877 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
879 * dwarf2out.c (modified_type_die): Equate qualified type to die.
881 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
883 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
884 (simplify_subreg): Handle complex types represented as CONCAT.
886 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
887 * rtl.h (swap_commutative_operands_p): Declare.
888 * rtlanal.c (swap_commutative_operands_p): New.
889 (operand_preference): New static function.
891 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
892 (gen_binary): Likewise.
893 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
894 * simplify-rtx.c (simplify_gen_binary,
895 simplify_gen_relational): Likewise.
897 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
899 * cse.c (fold_rtx): Use simplify_subreg.
901 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
902 (simplify_gen_subreg): New.
903 (simplify_rtx): Use simplify_subreg.
904 * rtl.h (simplify_gen_subreg): Declare.
906 2001-05-17 Mark Mitchell <mark@codesourcery.com>
908 * doc/install.texi: Update Solaris information.
910 * except.h (protect_cleanup_actions): Remove it.
911 (lang_protect_cleanup_actions): Declare it.
912 * except.c (protect_cleanup_actions): Remove it.
913 (lang_protect_cleanup_actions): New variable.
914 (init_eh): Don't make protect_cleanup_actions a GC root.
915 (expand_eh_region_and_cleanup): Call
916 lang_protect_cleanup_actions.
917 (output_function_exception_table): Remove unused `align'
919 * varasm.c (assemble_external): Abort if we have not yet
920 opened the assembly output file.
922 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
924 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
925 for eh_personality_libfunc.
927 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
929 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
930 when calling simplify_subreg. This is needed to allow replacing
931 of expression of one mode by expression of different mode.
933 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
935 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
937 2001-05-17 Bernd Schmidt <bernds@redhat.com>
939 * expr.c (protect_from_queue): Protect against subsequent calls to
941 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
944 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
946 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
948 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
950 * gccbug.in (CATEGORIES): Add "bootstrap".
952 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
954 * simplify-rtx.c (simplify_subreg): Break out from ...
955 * combine.c (combine_splify_rtx) ... here and ...
956 * recog.c (validate_replace_rtx_1): ... here;
957 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
958 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
959 (subreg_lowpart_p): ... here.
961 2001-05-17 Bernd Schmidt <bernds@redhat.com>
963 * stmt.c (expand_asm_operands): For inout operands, make sure
964 the substitution of '=' for '+' makes it into the rtl.
966 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
967 (reload_as_needed): Call update_eliminable_offsets a bit later.
969 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
971 * gcc.texi (gccbug): Refer to the web pages for detailed information
974 2001-05-16 Zack Weinberg <zackw@stanford.edu>
976 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
978 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
979 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
980 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
981 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
982 * cross-make: Don't set LIBGCC1.
983 * mklibgcc.in: Delete all code for building from libgcc1.c.
984 Always honor LIB1ASMFUNCS if set.
986 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
987 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
988 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
989 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
990 config/i386/uwin.asm, config/m68hc11/larith.asm,
991 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
992 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
993 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
994 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
995 Delete or update references to libgcc1 in commentary.
997 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
998 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
999 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1000 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1001 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1002 config/arm/t-semi, config/arm/t-strongarm-coff,
1003 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1004 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1005 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1006 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1007 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1008 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1009 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1010 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1011 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1012 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1013 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1014 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1015 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1016 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1017 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1018 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1019 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1020 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1021 config/mips/t-ultrix, config/mn10200/t-mn10200,
1022 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1023 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1024 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1025 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1026 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1027 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1028 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1029 config/sparc/t-sparclite, config/sparc/t-splet,
1030 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1031 config/sparc/t-vxsparc64, config/v850/t-v850:
1032 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1034 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1035 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1036 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1037 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1038 nongcc_SI_type, nongcc_word_type, or perform_*
1039 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1041 * config/i386/386bsd.h, config/i386/beos-elf.h,
1042 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1043 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1044 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1045 Don't include i386/perform.h.
1047 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1048 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1049 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1050 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1051 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1052 config/vax/t-openbsd, config/vax/t-vax: Delete.
1054 * config.gcc: Remove references to deleted files.
1055 (arm-semi-aof): Use arm/t-semi for tmake_file.
1057 * gcc.texi, install.texi, invoke.texi, tm.texi:
1058 Delete or rewrite text which is no longer relevant now that
1059 libgcc1 no longer exists.
1061 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1062 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1064 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1065 Bruce Korb <bkorb@gnu.org>
1067 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1070 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1072 * i386.md: Add two peepholes to clean up code generated by
1075 2001-05-16 Richard Henderson <rth@redhat.com>
1077 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1078 variants of non-absolute encodings.
1080 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1082 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1083 __register_frame_info_table_bases): Export.
1085 2001-05-16 Richard Henderson <rth@redhat.com>
1087 * except.c (eh_data_format_name): Move to ...
1088 * dwarf2asm.c: ... here. Use designated initializers if available.
1089 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1090 * dwarf2asm.h: Update declarations.
1091 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1092 ASM_PREFERRED_EH_DATA_FORMAT.
1093 (output_call_frame_info): Likewise. Use 'L' augmentation for
1096 * unwind-dw2-fde.h (struct fde_vector): New.
1097 (struct old_object): Rename from struct object.
1098 (struct object): New.
1099 (__register_frame_info_bases): Declare.
1100 (__register_frame_info_table_bases): Declare.
1101 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1102 * unwind-dw2-fde.c (objects): Remove.
1103 (unseen_objects, seen_objects): New.
1104 (__register_frame_info_bases): New.
1105 (__register_frame_info): Use it.
1106 (__register_frame_info_table_bases): New.
1107 (__register_frame_info_table): Use it.
1108 (__deregister_frame_info): Rewrite for changed object struct.
1109 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1110 (fde_unencoded_compare): Rename from fde_compare; uninline.
1111 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1112 (start_fde_sort): Adjust for new definition of fde_vector.
1113 (fde_insert): Likewise.
1114 (end_fde_sort): Likewise. Select comparison function based
1115 on properties of the object.
1116 (fde_split): Take object and fde_compare_t arguments.
1117 (frame_heapsort, fde_merge): Likewise.
1118 (classify_object_over_fdes): Rename from count_fdes. Handle
1119 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1121 (add_fdes): Handle encoded pointers.
1122 (init_object): Rename from frame_init. Update for new struct object.
1123 (linear_search_fdes): Rename from search_fdes. Handle encoded
1125 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1126 (binary_search_single_encoding_fdes): New.
1127 (binary_search_mixed_encoding_fdes): New.
1128 (search_object): New.
1129 (_Unwind_Find_FDE): Update for new struct object. Fill in
1131 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1132 iterating over EH data.
1133 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1134 fde_encoding, lsda_encoding.
1135 (read_uleb128, read_sleb128): Remove.
1136 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1137 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1138 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1140 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1142 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1144 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1145 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1146 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1147 cpp_spell_token, cpp_output_token): Similarly.
1148 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1149 do_pragma_poison, parse_assertion, do_assert): Similarly.
1150 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1151 save_parameter, _cpp_create_definition, check_trad_stringification,
1152 cpp_macro_definition): Similarly.
1153 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1154 * c-lex.c (cb_undef, c_lex): Similarly.
1155 * fix-header.c (recognized_function): Similarly.
1156 * cpplib.h (NODE_LEN, NODE_NAME): New.
1157 (cpp_hashnode): Rename length len.
1159 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1161 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1164 2001-05-16 Andreas Jaeger <aj@suse.de>
1166 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1168 * toplev.c: Include dwarf2asm.h for prototype of
1169 dw2_output_indirect_constants.
1171 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1173 * stmt.c (expand_asm_operands): Be able to offload addressof
1174 expression to memory. (PR optimization/185)
1176 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1178 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1179 applying distributive law.
1181 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1183 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1185 * gthr-dce.h (UNUSED): Attribute unused macro.
1186 (__gthread_key_dtor): Make arguments UNUSED.
1187 (__gthread_key_delete): Revise for compatibility with DRAFT4
1190 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1192 * doc/install.texi: Update AIX information.
1193 * README.RS6000: Remove obsolete file.
1195 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1196 Nathan Sidwell <nathan@codesourcery.com>
1198 * gcc.c (give_switch): Don't write before start of string.
1199 Always append suffix.
1201 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1203 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1206 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1208 * README.ALTOS: Remove obsolete file.
1210 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1212 * c-lex.h (save_and_forget_protocol_qualifiers,
1213 forget_protocol_qualifiers, remember_protocol_qualifiers):
1214 Remove deleted functions' prototypes.
1216 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1218 * c-parse.in (methodtype): New production.
1219 (methoddef, methodproto): Collapse separate '-' and '+'
1222 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1224 * c-common.h (RID_FIRST_PQ): New.
1225 * c-parse.in (objc_pq_context): New.
1226 (objc parser): Set objc_pq_context rather than calling
1227 remember_protocol_qualifiers and forget_protocol_qualifiers.
1228 Don't call save_and_forget_protocol_qualifiers.
1229 (yylexname): Handle objc protocol qualifiers here.
1230 * stringpool.c (struct str_header): Replace with sp_hashnode.
1231 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1232 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1233 Allocate an IDENTIFIER_NODE for each identifier.
1234 (FORALL_STRINGS, set_identifier): Delete.
1235 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1236 (ggc_alloc_string): Use an obstack.
1237 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1238 * tree.h: Update comments.
1239 (set_identifier): Delete.
1240 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1241 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1242 remember_protocol_qualifiers): Delete.
1244 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1246 * flow.c (life_analysis): After life analysis is complete, do
1247 an optional scan over insns looking for REG_LABEL notes that
1248 reference a deleted label.
1249 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1250 before peeking at LABEL_NUSES.
1252 2001-05-15 Richard Henderson <rth@redhat.com>
1254 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1255 (_Unwind_GetTextRelBase): New.
1257 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1259 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1261 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1263 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1264 so that CHOOSE_SECTION gets used.
1266 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1267 TARGET_RELOCATABLE like flag_pic for now.
1269 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1271 * rs6000.md (movdi splitter): Sign extend more efficiently.
1272 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1273 to "long long" valid on 32-bit and 64-bit hosts.
1274 (logical_operand): Cast trunc_int_for_mode return value.
1275 (rs6000_emit_move): Shift macro to encapsulate variable.
1276 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1277 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1278 plus_constant requires signed argument.
1280 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1282 * gthr-posix.h: Make additional pthread-* functions weak.
1284 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1286 * recog.c (apply_change_group): Avoid unneeded validating.
1288 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1290 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1291 (num_insns_constant): CONST_INT can be 64-bits.
1293 2001-05-14 Stan Shebs <shebs@apple.com>
1295 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1296 (LIBGCC_SPEC): Don't define.
1298 2001-05-14 Richard Henderson <rth@redhat.com>
1300 * configure.in (gcc_cv_as_eh_frame): New test.
1301 * config.in, configure: Rebuild.
1302 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1304 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1306 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1307 extended precision divide.
1309 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1311 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1312 for RETURNS as well.
1314 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1316 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1317 (CPP_CPU??_SIZE_TYPE): New.
1318 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1319 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1320 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1321 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1323 * i386.c (override_options): Add sorry about not suported modes.
1325 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1327 * config/pa/som.h (NM_FLAGS): Remove.
1328 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1329 (ASM_OUTPUT_SECTION_NAME): Remove.
1330 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1332 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1334 * regrename.c (regrename_optimize): Do not rename registers to
1337 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1339 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1340 contain MEMs. Remove useless distinction about clobbering
1343 2001-05-13 Geoff Keating <geoffk@redhat.com>
1345 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1346 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1347 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1348 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1349 (EXCEPTION_SECTION): Define.
1351 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1353 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1354 binary backward compat only.
1355 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1356 in LIB2FUNCS. Pass it to mklibgcc.
1357 * mklibgcc.in: Handle LIB2FUNCS_ST.
1359 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1361 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1363 * tm.texi (THREAD_MODEL_SPEC): Document it.
1364 * gcc.c (main): Use it.
1365 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1366 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1368 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1370 * rtl.h (SYMBOL_REF_WEAK): New macro.
1371 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1372 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1373 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1374 * gcc.texi: Remove wrong description.
1376 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1378 * Makefile.in (STAMP): New macro.
1379 Replace all uses of `touch' with $(STAMP).
1380 * fixinc/Makefile.in: Likewise.
1382 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1384 * configure.in: ldopen is never in -lexc, so don't test for it.
1385 Add test for exc_resume in -lexc for Ada.
1386 * configure: Regenerated.
1388 2001-05-12 Richard Henderson <rth@redhat.com>
1390 * dwarf2asm.c (size_of_encoded_value): New function.
1391 * dwarf2asm.h: Declare it.
1392 * except.c (output_function_exception_table): Align the TType
1393 array only as wide as the encoding.
1395 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1397 * extend.texi: Document #pragma GCC java_exceptions.
1399 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1401 * c-parse.in (bison parser, init_reswords): Remove uses of
1403 * c-tree.h (doing_objc_thang): Remove.
1405 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1407 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1408 about files not ending in newlines.
1410 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1412 * dwarfout.c (dwarfout_init): Add cast.
1413 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1414 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1416 * method.c (build_mangled_C99_name): Remove unused prototype.
1418 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1420 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1422 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1424 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1425 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1427 2001-05-11 Richard Henderson <rth@redhat.com>
1429 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1430 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1431 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1432 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1433 (dw2_output_indirect_constants): Prototype.
1434 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1435 current_function_func_begin_label if we'll need it for EH. Exit
1436 early for IA64_UNWIND_INFO.
1437 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1438 (eh_data_format_name): Update for indirect references.
1439 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1440 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1441 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1442 define HAVE_eh_return etc.
1443 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1444 (final_end_function): Don't call output_function_exception_table.
1445 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1446 (rest_of_compilation): Invoke output_function_exception_table
1447 for ia64 before assemble_end_function.
1448 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1449 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1451 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1452 * unwind.h: Declare them.
1453 * libgcc-std.ver: Export them.
1454 * unwind-pe.h: New file.
1456 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1458 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1460 (find_fde_for_dso): Extract DT_PLTGOT.
1461 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1462 the segment and gp as well.
1463 * config/ia64/frame-ia64.c: Remove file.
1464 * config/ia64/frame-ia64.h: Remove file.
1465 * config/ia64/unwind-ia64.c: New file.
1466 * config/ia64/unwind-ia64.h: New file.
1467 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1468 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1469 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1470 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1471 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1472 (IA64_UNWIND_INFO): Re-enable.
1473 (HANDLER_SECTION): Remove.
1474 (EH_RETURN_DATA_REGNO): New.
1475 * config/ia64/ia64.md (exception_receiver): Remove.
1476 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1477 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1479 2001-05-11 Richard Henderson <rth@redhat.com>
1481 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1482 calls and jumps to be bundled together.
1483 (ia64_reorg): Emit a break after a noreturn call that ends
1485 * config/ia64/ia64.md (break_f): New.
1487 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1489 * c-lex.c (lex_charconst): Convert into a simple wrapper
1490 around cpp_interpret_charconst, to which most of the code
1492 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1493 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1494 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1495 (lex): Use cpp_interpret_charconst.
1496 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1497 hex_digit_value): New functions.
1498 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1499 * cpplib.h (cpp_interpret_charconst): New prototype.
1500 * Makefile.in: Update.
1502 2001-05-12 Dean Wakerley <dean@wakerley.com>
1504 * doc/install.texi: New file. Converted to texinfo from the HTML
1505 documentation in wwwdocs/htdocs/install.
1507 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1509 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1510 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1512 * toplev.c (compile_file): Move comment for opening output
1513 file to just before the code that opens the output file.
1515 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1517 * regmove.c (regmove_optimize): Suppress the optimization for
1518 unchanging destination register. Add comment above function.
1520 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1522 * Makefile.in: Exterminate all references to assert.h.
1523 * cross-make: Likewise.
1525 * configure.in: Correct commentary.
1526 * configure: Regenerate.
1528 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1531 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1532 config/t-netbsd, config/t-rtems, config/x-linux,
1533 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1534 No need to override INSTALL_ASSERT_H.
1536 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1537 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1538 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1540 2001-05-11 Graham Stott <grahams@redhat.com>
1542 * combine.c (simplify_comparison): Fix typo.
1544 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1546 * loop.h (struct movables): Remove `num'.
1547 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1548 Adjust call to strength_reduce.
1549 (num_unmoved_movables): New function.
1550 (move_movables): Don't set movables->num.
1551 (strength_reduce): Compute the number of instructions in the loop
1552 here, rather than in the caller.
1553 (check_dbra_loop): Always clear reversible_mem_store if there
1554 are any memory sets.
1555 (loop_regs_scan): Don't count instructions here.
1556 (count_insn_in_loop): New function.
1558 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1560 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1562 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1564 * c-common.c (finish_label_expr): New function, lifted from
1565 from cp/semantics.c.
1566 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1567 * c-parse.in: Move 3 blocks of parser code into new functions.
1568 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1569 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1570 (lookup_label): Remove.
1572 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1574 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1575 FLOAT_BIT_ORDER_MISMATCH.
1577 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1579 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1580 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1582 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1584 * expr.c (emit_group_load): extract_bit_field requires a REG or
1587 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1589 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1590 a computed jump into an unconditional jump.
1591 In second hunk of code for collapsing computed and conditional jumps
1592 into unconditional jumps, reemit the jump in additional cases.
1594 * jump.c (jump_optimize_1): Do not wrap the new jump target
1595 inside a LABEL_REF; gen_jump will do that automatically.
1597 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1599 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1600 contents for a SYMBOL_REF in case of floating point constants.
1602 2001-05-10 DJ Delorie <dj@redhat.com>
1604 * c-common.c (combine_strings): Widen strings in a
1605 host-endian-independent way.
1607 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1609 * c-parse.in: Remove many shift/reduce conflicts. Update
1611 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1612 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1613 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1614 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1615 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1616 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1617 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1618 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1619 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1620 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1621 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1622 typespec_reserved_nonattr, typespec_reserved_attr,
1623 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1624 structsp_nonattr, components_notype, component_notype_declarator,
1625 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1626 firstparm, setspecs_fp): New
1627 (typed_declspecs, reserved_declspecs, typed_typespecs,
1628 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1629 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1630 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1631 type_quals): Remove. Users updated.
1632 (initdecls, notype_initdecls, after_type_declarator,
1633 parm_declarator, notype_declarator, absdcl1, components, ivars):
1634 Don't allow attributes at the start of a declarator; include them
1635 in the production containing the declarator instead. Always
1636 require type specifiers before trying to redeclare a typedef name.
1637 (typename): Allow for attributes but warn that they are ignored.
1638 (parmlist, firstparm, setspecs_fp): Include attributes in
1639 parmlist; suck them off the parser stack in firstparm using
1642 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1644 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1645 to determine if a block has an unconditional jump at its end.
1647 * jump.c (jump_optimize_1): When converting a conditional jump
1648 to an unconditional jump, build the jump using gen_jump instead
1649 of just modify operands in-place.
1651 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1653 * cppinit.c (cpp_post_options): Shut off macro expansion if
1655 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1656 IN_I directives only if the # is in column 1 and the directive
1657 name begins in column 2.
1658 * cppmain.c (scan_buffer): Insert a space between # and an
1659 identifier, when that identifier is a directive name.
1661 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1662 in the header search path.
1663 (enum node_type): Add T_INCLUDE_NEXT.
1664 (directive_table): Add entry for include_next.
1665 (do_include_next): New function.
1666 (process_include): New routine, broken out of do_include.
1667 (finclude): Insert 'nhd' argument, to be copied into
1668 next_header_dir of the new buffer.
1669 (main): Adjust to match.
1670 * gsyslimits.h, limity.h: Un-indent #include_next.
1672 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1674 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1675 inclusion as a chapter of the GCC manual.
1676 * gcc.texi: Include objc.texi.
1677 * fdl.texi: Use @unnumberedsec for the addendum.
1678 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1680 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1682 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1684 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1686 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1687 handling of two-address insns.
1689 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1691 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1692 ../binutils/nm-new instead of ../binutils/nm.
1694 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1696 * i386.md (movdi splitter): Fix the splitting condition
1697 (float_extenddftf splitter): Fix mode.
1699 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1701 * genrecog.c (write_switch): Avoid outputting of switch for
1702 types wider than int.
1704 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1706 * reload1.c (copy_eh_notes): New function.
1707 (emit_input_reload_insns): Call it.
1708 (emit_output_reload_insns): Call it.
1710 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1712 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1714 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1715 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1717 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1719 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1721 * pa.md (interspace_jump): Revise comment.
1722 (builtin_longjmp): Block initial setup insns from delay slot of
1724 (builtin_setjmp_receiver): New expander to save and restore PIC
1727 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1729 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1731 * toplev.c (compile_file): Set up the output file before we call
1732 the various initializers for the compiler.
1734 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1735 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1737 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1738 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1740 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1742 * Makefile.in (tradcpp0): Correct typo in dependency list.
1744 2001-05-06 Geoff Keating <geoffk@redhat.com>
1746 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1747 the link register if we're not going to use it.
1749 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1750 (output_function_profiler): Likewise.
1752 2001-05-07 Alan Modra <amodra@one.net.au>
1754 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1756 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1758 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1759 zero-extend it. Make abs_inc unsigned.
1761 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1762 widest mode in narrowing and widening operations.
1764 * config/mips/mips.md: Sign extend CONST_INTs.
1766 2001-05-06 Andreas Jaeger <aj@suse.de>
1768 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1769 (i386 Options): Document -momit-leaf-frame-pointer.
1771 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1773 * c-typeck.c (internal_build_compound_expr): Check for
1774 array to pointer conversion just once.
1776 2001-05-05 Richard Henderson <rth@redhat.com>
1778 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1780 2001-05-05 Richard Henderson <rth@redhat.com>
1782 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1783 to the parent of the fixup region.
1785 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1787 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1789 * cpp.texi (__NO_INLINE): Document it.
1791 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1793 * cppfiles.c (struct include_file): New member err_no.
1794 (find_or_create_entry): Set it.
1795 (open_file): Don't set fds to -2. Instead, use err_no to
1796 remember previous errors, if any.
1798 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1800 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1801 between X and Y by using sequences of xgdx and xgdy.
1803 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1805 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1806 of '!' for the 'D' alternative ('!' is too strong).
1807 ("*logicalsi3_silshl16"): Likewise.
1808 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1809 ("movstrictsi"): Remove spurious '+'.
1810 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1811 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1812 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1815 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1817 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1819 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1821 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1824 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1826 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1829 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1831 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1832 soft register, use ror instead of rol.
1834 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1836 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1837 into account pre/post increment decrement for 68HC12.
1838 Fix other problems in replacement and fix call to reg_mentioned_p.
1840 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1842 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1843 Put the soft registers in bss for 68HC12.
1844 (L_regs_d3_4): New for _.d3 and _.d4.
1845 (L_regs_d5_6): Likewise.
1846 (L_regs_d1_2): Likewise.
1847 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1849 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1851 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1852 to the pre-processor when -fshort-double is specified.
1853 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1855 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1857 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1858 (__mulsi3): Rewrite for 68HC12.
1859 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1860 Mark 'x' constraint with earlyclobber to prevent a
1861 RELOAD_FOR_OTHER_ADDRESS to go in it.
1862 (mulhi3_m68hc12): New pattern.
1863 (mulhi3_m68hc11): Rename of mulhi3.
1864 (mulhi3): New expand for 68HC12 optimisation.
1865 (umulhisi3, mulhisi3): New patterns for 68HC12.
1867 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1869 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1870 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1871 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1873 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1875 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1876 constants cheap after reload.
1877 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1879 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1880 so that gcc prefers a shift by 16.
1881 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1883 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1885 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1887 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1889 * alpha.h: NULL_PTR -> NULL.
1896 * i386.md: Likewise.
1899 * m68hc11.h: Likewise.
1900 * rs6000.h: Likewise.
1903 * sparc.h: Likewise.
1907 * final.c: Likewise.
1909 * recog.c: Likewise.
1911 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1913 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1914 `bool' parameter to `int'.
1916 * hash.c (hash_lookup): Likewise.
1918 * hash.h (hash_lookup): Likewise.
1920 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1922 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1924 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1926 2001-05-03 Geoff Keating <geoffk@redhat.com>
1928 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1929 -malign-loops, -malign-functions.
1930 * i386.c (ix86_align_funcs): Delete.
1931 (ix86_align_loops): Delete.
1932 (ix86_align_jumps): Delete.
1933 (override_options): Mark -malign-* as obsolete. Emulate their
1934 behaviour with the -falign-* options. Default -falign-* from
1935 the processor table.
1936 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1937 patch of Wed May 2 13:09:36 2001.
1938 (LOOP_ALIGN): Delete.
1939 (LOOP_ALIGN_MAX_SKIP): Delete.
1940 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1941 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1943 2001-05-04 Andreas Jaeger <aj@suse.de>
1945 * except.h: Add prototype declaration for
1946 expand_builtin_init_dwarf_reg_sizes.
1948 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1950 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1952 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1954 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1956 ("bitcmpqi2"): New pattern for bit-extract and test.
1957 ("bitcmphi"): New pattern for bitb/bita instructions.
1959 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1961 * gccbug.in: Use a temporary directory when the mktemp command is
1964 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1966 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1968 (INITIALIZE_TRAMPOLINE): Call it.
1969 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1970 (TRAMPOLINE_TEMPLATE): Remove.
1971 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1972 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1975 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1977 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1978 and crtendS.o with PIC.
1980 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1982 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1984 (___subdi3, ___adddi3): Use x instead of y as index register.
1985 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1986 (__memset, __memcpy): Likewise.
1987 (regs): Put the soft registers in bss for 68HC12.
1988 (abort): Use trap to abort for 68hc12.
1989 (__mulhi3, __mulhi32): Use emul for 68hc12.
1990 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1992 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1994 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1995 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1996 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1997 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1998 Set 68HC12 min offset to -65536.
1999 (print_operand): Put parenthesis arround the operand if it refers
2000 to a symbol having the same name as a register.
2001 (m68hc11_z_replacement): When z register is replaced by its
2002 equivalent soft register, force the insn to be re-recognized.
2003 (m68hc11_check_z_replacement): Fix the test when destination is
2004 the index register and z dies in the insn.
2005 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2007 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2009 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2010 costs according to processor variant.
2011 (m68hc11_shift_cost): New function to compute shift costs.
2012 (m68hc11_rtx_costs): Define costs according to processor variant.
2013 (m6811_cost): Costs for 68HC11.
2014 (m6812_cost): Costs for 68HC12.
2015 (COSTS_N_INSNS): Remove.
2017 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2018 (DEFAULT_RTX_COSTS): Remove.
2019 (CONST_COSTS): Define costs according to OUTER_CODE.
2020 (processor_costs): New struct to define costs.
2021 (m68hc11_cost): Pointer to current costs.
2023 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2025 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2026 and use m68hc11_notice_keep_cc when using leax/leay.
2027 (addhi3 split): Reject split if the insn is handled by
2029 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2030 push must be handled in a special way if the source operand uses
2031 sp as index register.
2032 (m68hc11_notice_keep_cc): New function.
2033 (m68hc11_gen_movhi): Use it when an insn changes a register but
2035 (m68hc11_gen_movqi): Fix move for 68HC12.
2036 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2038 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2040 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2041 and don't pass operands[0] to emit_library_call_value.
2043 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2045 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2046 (zero_extendsi split): Simplify and use (zero_extendhi).
2047 (*addhi3): Remove 'w' constraint since stack pointer is handled
2049 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2050 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2051 (*ashrhi3_const): Fix shift by 7.
2052 (*lshrsi3_const16): Fix template.
2053 (call, call_value): Fix constraint and predicate.
2055 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2057 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2058 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2059 (CC_REGNUM): Likewise.
2060 (*unnamed splits): Use above constants instead of hard coded numbers.
2061 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2062 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2063 (*return_16bit, *unnamed peepholes): Likewise.
2065 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2067 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2068 rs6000/rs6000.h twice.
2070 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2072 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2073 (CPP_SPEC): Conditionally define MSDOS and GO32.
2074 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2075 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2077 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2079 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2081 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2083 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2085 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2086 * integrate.c (expand_inline_function): Use xcalloc to allocate
2088 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2091 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2093 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2096 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2098 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2099 linker if -mrelax is given.
2100 (TARGET_SWITCHES): Document -mrelax.
2102 Re-installed 2001-01-09's patch:
2103 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2104 if it's wider than long and the target's long is wider than the
2107 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2109 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2110 directly include rs6000/rs6000.h. Instead do it in tm.h.
2112 2001-05-02 Stan Shebs <shebs@apple.com>
2114 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2115 NSConstantString for NeXT-style runtimes.
2116 (STRING_OBJECT_GLOBAL_NAME): New macro.
2117 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2118 OCTI_STRING_CLASS_DECL.
2119 (constant_string_global_id): New macro.
2120 (string_class_decl): Ditto.
2121 (setup_string_decl): New function.
2122 (build_objc_string_object): Use it to build a NeXT runtime
2123 compatible string initializer.
2125 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2127 * tradcpp.c (do_define): Make sure we don't walk past limit.
2129 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2131 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2132 offsets if not REG_OK_STRICT.
2134 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2135 (INT_REG_OK_FOR_INDEX_P): Likewise.
2136 (INT_REG_OK_FOR_BASE_P): Likewise.
2137 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2138 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2139 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2140 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2141 REG_OK_FOR_BASE_P. Take an additional parameter.
2142 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2143 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2144 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2145 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2146 rs6000_legitimate_address() and use it.
2147 * config/rs6000/rs6000.c: Update all callers.
2148 (rs6000_legitimate_address): New function.
2150 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2152 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2153 special_constant conditional blocks together.
2155 2001-05-02 Dale Johannesen <dalej@apple.com>
2157 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2159 (STRICT_ARGUMENT_NAMING): Define.
2160 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2161 function_arg_partial_nregs, setup_incoming_varargs): Remove
2162 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2165 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2167 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2169 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2172 * expr.c (store_field): Do nothing except elaborate side-effects if
2175 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2177 * c-lex.c: NULL_PTR -> NULL.
2179 * emit-rtl.c: Likewise.
2181 * genpeep.c: Likewise.
2183 * mips-tdump.c: Likewise.
2184 * reload1.c: Likewise.
2185 * rtlanal.c: Likewise.
2187 * stor-layout.c: Likewise.
2188 * toplev.c: Likewise.
2190 2001-05-01 Per Bothner <per@bothner.com>
2192 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2193 call do_pending_stack_adjust before emiting label.
2195 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2197 * extend.texi: Fix typo.
2199 2001-05-01 Stan Shebs <shebs@apple.com>
2201 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2202 of UOBJC_MODULES_decl.
2203 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2204 (generate_descriptor_table): Ditto.
2205 (generate_protocols): Ditto.
2206 (generate_protocol_list): Ditto.
2207 (generate_classref_translation_entry): Ditto.
2209 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2211 * invoke.texi (Optimize Options): Add documentation for `--param
2212 max-delay-slot-insn-search' and `--param
2213 max-delay-slot-live-search' and reorder --param section.
2214 * params.def: Modify initial comment.
2215 * params.h (param_info): Add `help' member.
2216 * toplev.c (lang_independent_params): Include `help' description.
2217 (display_help): Print --param parameters.
2219 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2221 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2222 Remove references to deleted files.
2223 (*-*-openbsd): No need to override xmake_file.
2224 (*-*-sysv4): Treat like *-*-sysv.
2226 * configure.in: Probe for ldopen in various places, and set up
2227 collect2 to be linked with them if found.
2228 Don't dink with Windows registry stuff unless $host_os is a
2229 Win32 os name. Check to see if we need -ladvapi32.
2230 * configure: Regenerate.
2232 * Makefile: Get rid of CLIB and HOST_CLIB.
2233 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2234 * build-make: Get rid of HOST_CLIB.
2236 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2237 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2238 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2239 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2240 config/rs6000/x-rs6000: Delete.
2242 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2245 24 x-host fragments remain, 0 x-cpu, 3 top level.
2247 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2249 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2250 * configure: Regenerate.
2252 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2254 * Makefile.in (install-headers): Remove redundant dependency.
2256 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2258 * c-tree.texi (USING_STMT): Document.
2260 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2262 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2263 * c-common.c: Likewise.
2264 * c-decl.c: Likewise.
2265 * combine.c: Likewise.
2266 * rs6000.c: Likewise.
2267 * except.c: Likewise.
2268 * explow.c: Likewise.
2270 * fold-const.c: Likewise.
2271 * function.c: Likewise.
2274 * integrate.c: Likewise.
2276 * objc/objc-act.c: Likewise.
2277 * recog.c: Likewise.
2278 * reg-stack.c: Likewise.
2279 * reload.c: Likewise.
2280 * reload1.c: Likewise.
2281 * simplify-rtx.c: Likewise.
2283 * varasm.c: Likewise.
2285 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2287 * diagnostic.def: New file.
2288 * diagnostic.h (diagnostic_t): New enum.
2289 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2291 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2293 * tsystem.h: Test only POSIX for availability of string.h
2295 * config.gcc (all systems): If USG appeared in xm_defines,
2296 change it to POSIX. If both USG and POSIX appeared, just
2297 delete USG. Remove unnecessary quotes around xm_defines
2299 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2300 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2301 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2302 powerpc-*-linux*): No need to set xm_defines - handled by
2303 global settings for *-*-linux*.
2305 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2307 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2308 Always include gstab.h, not system stab.h. Don't provide
2309 default definitions of N_CATCH or N_OPT. Always use the
2310 gstab.h variant of STAB_CODE_TYPE.
2311 * final.c: Don't include stab.h/gstab.h at all, or provide
2312 defaults for N_SLINE and N_SOL.
2314 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2315 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2317 * sdbout.c: Always include gsyms.h instead of system syms.h.
2319 * configure.in: No need to check for stab.h.
2320 * configure, config.in: Regenerate.
2321 * Makefile.in (final.o): Don't depend on gstab.h.
2323 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2324 Richard Henderson <rth@redhat.com>
2326 * extend.texi: Improve documentation of volatile asms.
2328 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2330 * c-tree.texi: Fix thinko.
2331 * gcc.texi: Likewise.
2333 2001-04-30 Richard Henderson <rth@redhat.com>
2335 * c-common.c (c_promoting_integer_type_p): New function, from the
2336 corpse of old macro. Properly promote too-small enumerations and
2337 booleans. Adjust all callers.
2338 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2339 (c_promoting_integer_type_p): Declare.
2340 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2341 * c-typeck.c: Likewise.
2342 (default_conversion): Remove now redundant boolean check.
2344 2001-04-30 Jan Hubicka <jh@suse.cz>
2345 Richard Henderson <rth@redhat.com>
2347 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2349 (combine_stack_adjustments_for_block): Don't combine stack
2350 allocation followed by deallocations. Handle grow-up stacks.
2352 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2354 * fdl.texi: New file.
2355 * c-tree.texi: Use the GFDL.
2356 * gcc.texi: Likewise.
2358 2001-04-30 Stan Shebs <shebs@apple.com>
2360 * invoke.texi: Add a section documenting Objective-C options.
2362 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2364 * emit-rtl.c (try_split): Copy EH notes to sequence.
2366 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2368 * regmove.c (record_stack_memrefs): Catch all references to the
2371 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2373 * Makefile.in (stmp-fixinc): quote shell assignment values
2375 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2377 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2381 * prefix.c: Likewise.
2383 2001-04-28 Stan Shebs <shebs@apple.com>
2385 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2386 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2387 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2388 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2390 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2391 (NEXT_OBJC_RUNTIME): Define.
2393 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2395 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2396 * simplify-rtx.c (simplify_gen_relational): Likewise.
2398 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2400 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2401 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2403 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2404 registers in SSE case; fix handling of the immediates.
2405 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2406 operands to be in regsiters before reload.
2407 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2408 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2409 (abstf,absxf,negtf,negxf splitters): Compute
2410 properly the regnum for x86_64.
2411 (avsdf2_if_rex64): New.
2413 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2415 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2416 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2417 into the constant pool.
2418 * jump.c (jump_optimize_1): Remove barrier successors after all
2419 the LABEL_NUSES counds have been computed.
2420 (delete_barrier_successors): When deleting a tablejump insn, also
2421 delete the jump table it uses.
2422 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2425 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2427 * pa.c (FRP): Remove erroneous white space in macro definition.
2429 2001-04-28 Andreas Jaeger <aj@suse.de>
2431 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2433 * extend.texi: Likewise.
2434 * tm.texi: Likewise.
2436 2001-04-28 Andreas Jaeger <aj@suse.de>
2438 * md.texi: Use XX-bit instead of XXbit or XX bit where
2441 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2443 * gcc.c (process_command): Allow -l lib in addition to -llib
2444 for POSIX compliance. This fixes PR c/2347.
2446 * invoke.texi: Update section on Link Options accordingly.
2448 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2450 * function.c (purge_addressof_1): Remove the duplicate
2451 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2454 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2456 * except.c (expand_eh_region_start): Don't start a new block.
2457 (expand_eh_region_end): Don't end a block.
2458 * stmt.c (expand_end_bindings): Don't end EH blocks.
2459 (expand_decl_cleanup): Starting an EH region won't change the block.
2460 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2461 (is_eh_region): Lose.
2464 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2466 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2468 * collect2.c (main): Add `-L' case to remove duplicate entries.
2469 (is_in_args): New function to check for a duplicate argument.
2470 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2471 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2472 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2473 Define to be nonzero.
2475 2001-04-27 Andreas Jaeger <aj@suse.de>
2476 Richard Henderson <rth@redhat.com>
2478 * md.texi (Machine Constraints): Document additional i386
2479 constraints and fix description of "A".
2481 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2483 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2485 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2487 * except.c (get_exception_filter): word_mode, not Pmode.
2489 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2491 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2492 common to other movsf patterns. Move up so that in future
2493 people who change the other patterns will change it too.
2494 (movsf_lo_sum): Allow even for soft-float; add appropriate
2496 (movsf_high): Likewise.
2497 (movsf_high+1): Allow even for soft-float.
2499 * function.c (expand_function_end): Always clobber the
2500 return registers, even if there is no return label.
2502 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2504 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2506 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2508 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2509 (pushqi2_rex64, pushhi2_rex64): Add.
2511 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2513 * except.c (expand_eh_region_end_cleanup): Force pending stack
2514 adjust before emitting label that branches around cleanup code.
2516 2001-04-26 H.J. Lu (hjl@gnu.org)
2518 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2520 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2522 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2523 (ASM_OUTPUT_SECTION_NAME): Likewise.
2524 (ASM_WEAKEN_LABEL): Likewise.
2525 (UNIQUE_SECTION): Likewise.
2526 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2527 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2528 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2529 (ASM_OUTPUT_SECTION_NAME): Likewise.
2530 (ASM_WEAKEN_LABEL): Likewise.
2531 (UNIQUE_SECTION): Likewise.
2532 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2533 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2534 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2535 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2536 (ASM_FILE_START): Likewise.
2537 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2538 (ASM_DECLARE_OBJECT_NAME): Likewise.
2539 (ASM_FILE_END): Likewise.
2540 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2541 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2542 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2543 (ASM_OUTPUT_CASE_LABEL): Likewise.
2544 (ASM_OUTPUT_SKIP): Likewise.
2545 (ASM_OUTPUT_ASCII): Likewise.
2546 (ASM_OUTPUT_IDENT): Likewise.
2547 (READONLY_DATA_SECTION): Likewise.
2548 (EXTRA_SECTIONS): Likewise.
2549 (EXTRA_SECTION_FUNCTIONS): Likewise.
2550 (SELECT_RTX_SECTION): Likewise.
2551 (SELECT_SECTION): Likewise.
2553 * config/mips/linux.h (INVOKE__main): Undefine.
2554 (CTOR_LIST_BEGIN): Likewise.
2555 (CTOR_LIST_END): Likewise.
2556 (DTOR_LIST_BEGIN): Likewise.
2557 (DTOR_LIST_END): Likewise.
2558 (SET_ASM_OP): Defined it to ".dummy".
2559 (ASM_OUTPUT_DEF): Defined.
2560 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2562 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2564 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2565 assembler supports .p2align.
2567 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2569 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2571 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2573 * integrate.c (expand_inline_function): Check for error_mark_node
2576 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2578 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2581 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2583 * configure.in (configargs.h): Define thread_model.
2584 * configure: Rebuilt.
2585 * gcc.c (main): Print it with -v.
2587 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2589 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2590 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2591 * gcc.1: Regenerate.
2593 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2595 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2596 is_redundant_typedef): Use static inline instead of inline static.
2598 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2600 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2601 this directory is always searched.
2603 2001-04-25 Richard Henderson <rth@redhat.com>
2605 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2606 of registers to restore along non eh_return path.
2608 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2610 * c-format.c (check_format_info_recurse): Handle
2611 PLUS_EXPR for format string.
2613 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2615 * config/ia64/ia64.h (CC1_SPEC): Define.
2616 * config/ia64/linux.h (CC1_SPEC): Define.
2618 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2620 * emit-rtl.c (constant_subword): Also do sign extension in
2621 BITS_PER_WORD == 16 case.
2623 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2625 * loop.c (try_swap_copy_prop): Go back to checking insn.
2627 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2629 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2630 if check_mode is non-zero.
2632 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2634 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2635 out and comparison sequence has been detected, put result into
2636 proper temporary pseudo.
2638 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2640 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2641 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2642 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2643 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2644 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2645 for future reference.
2647 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2649 * except.c (reachable_handlers): Step out one level from a RESX.
2651 * except.c (struct eh_region): Rename 'last' to 'resume'.
2652 (mark_eh_region, duplicate_eh_region_1): Adjust.
2653 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2654 (build_post_landing_pads): Likewise.
2655 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2656 (expand_eh_region_end_must_not_throw): Likewise.
2657 (connect_post_landing_pads): Thread (only) regions with non-deleted
2660 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2661 registers around the cleanup.
2662 (get_exception_filter): New fn.
2663 (finish_eh_generation): Use it.
2665 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2667 * c-semantics.c (add_scope_stmt): Don't call
2668 current_scope_stmt_stack multiple times.
2670 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2671 Nathan Sidwell <nathan@codesourcery.com>
2673 Lazy __FUNCTION__ generation.
2674 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2675 RID_C99_FUNCTION_NAME): New _RIDs.
2676 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2677 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2678 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2680 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2681 (c99_function_name_decl_node, function_name_decl_node,
2682 pretty_function_name_decl_node, saved_function_name_decls):
2684 (struct language_function): Remove x_function_name_declared_p.
2685 (make_fname_decl): Remove a parameter.
2686 (declare_function_names): Remove prototype.
2687 (start_fname_decls, finish_fname_decls): Prototype.
2688 (fname_as_string): Likewise.
2689 (fname_string, fname_decl): Likewise.
2690 * c-common.c (make_fname_decl): Adjust.
2691 (struct fname_var_t): New struct.
2692 (fname_vars): New static array.
2693 (declare_function_name): Remove.
2694 (start_fname_decls, finish_fname_decls): New functions.
2695 (fname_as_string): New function from remnants of
2696 declare_function_name.
2697 (fname_string, fname_decl): New functions.
2699 * c-decl.c (c_function_name_declared_p): Remove.
2700 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2701 don't call declare_function_name. Call start_fname_decls.
2702 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2703 clobber the line number. Call finish_decl.
2704 (start_function): Call start_fname_decls.
2705 (finish_function): Call finish_fname_decls.
2706 Remove c_function_name_declared_p.
2707 (push_c_function_context): Don't push c_function_name_declared_p.
2708 (pop_c_function_context): Don't pop c_function_name_declared_p.
2709 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2710 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2711 (program): Call finish_fname_decls for C.
2712 (primary): Add VAR_FUNC_NAME.
2713 (reswords): Add slots for __FUNCTION__ et al.
2714 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2715 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2716 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2717 * c-semantics.c (prune_unused_decls): Remove.
2718 (finish_stmt_tree): Don't call prune_unused_decls.
2719 (genrtl_decl_stmt): Don't prune unused decls here.
2721 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2723 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2724 constant pool, use the pool's SYMBOL_REF instead.
2726 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2729 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2731 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2732 passing nested NOP_EXPRs to fold.
2734 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2736 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2738 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2740 * loop.c (loop_delete_insns): Add prototype.
2742 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2744 * configure.in: Remove ENABLE_STD_NAMESPACE.
2745 * config.in: Regenerated.
2746 * configure: Regenerated.
2748 2001-04-22 Stan Shebs <shebs@apple.com>
2750 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2752 * config/rs6000/xm-darwin.h: Remove file.
2754 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2756 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2757 (write_c_file_stat): Likewise.
2759 * dbxout.c (dbxout_init): Likewise.
2761 * profile.c (output_func_start_profiler): Likewise.
2763 2001-04-22 Philipp Thomas <pthomas@suse.de>
2765 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2766 require it instead of the CVS version.
2767 * cpperror.c (v_message): Put a blank before the macro
2768 body to not confuse exgettext.
2770 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2772 * flow.c (proagate_one_insn): Remove useless assignment.
2773 * jump.c (delete_insn): Tidy.
2774 * loop.c (try_copy_prop): When deleting an instruction with a
2775 REG_RETVAL note, delete the entire libcall sequence.
2776 (loop_delete_insns): New function.
2777 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2778 we're not substituting into them yet.
2780 2001-04-21 Kazu Hirata <kazu@hxi.com>
2782 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2784 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2786 * config/i960/i960.c (signed_arith_operand): Likewise.
2788 * calls.c (expand_call): Fix a comment typo.
2790 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2792 * configure.in: Probe for times, clock, struct tms, and clock_t.
2793 * configure, config.in: Regenerate.
2794 * timevar.c: Replace ifdef forest in get_time with (relatively)
2795 straightforward series of checks based on autoconf's probes.
2797 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2799 * config/pa/som.h (NM_FLAGS): Define.
2801 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2803 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2805 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2806 * ia64.c (nop_cycles_until): New function.
2807 (prev_cycle, prev_first, last_issued): New static variables.
2808 (ia64_sched_reorder): Additional arg for clock.
2809 On final scheduling pass, emit extra NOPs as needed.
2810 Set prev_first and prev_cycle.
2811 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2812 (ia64_variable_issue): Set last_issued.
2814 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2816 * config/i386/i386.c (ix86_expand_int_movcc,
2817 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2819 2001-04-20 Geoff Keating <geoffk@redhat.com>
2821 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2822 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2823 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2824 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2825 ctrdi_internal6): In the short-branch case, this insn is only 4
2826 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2828 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2830 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2831 "=u" is used together with "st" resp. "st(1)" clobber.
2833 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2835 * gcse.c (gcse_main): Fix comment typo.
2836 (delete_null_pointer_check): Likewise.
2837 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2838 * cse.c (cse_insn): Likewise.
2839 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2842 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2844 * toplev.c: Excise all code for the undocumented -dm option.
2845 (float_signal): Call signal just once, unconditionally.
2847 2001-04-19 Geoff Keating <geoffk@redhat.com>
2849 * fold-const.c (fold): Use first_rtl_op rather than
2850 TREE_CODE_LENGTH when looping over parameters of a tree.
2851 Correct strange grouping in test for evaluated SAVE_EXPR.
2853 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2855 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2856 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2858 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2859 name at 32 total characters.
2860 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2861 functions in named sections -- data items can still go into unique
2862 sections, but they have normal names (ie $LIT$ and $DATA$).
2864 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2867 2001-04-19 DJ Delorie <dj@redhat.com>
2869 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2870 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2871 * config/i386/cygwin.h: Likewise.
2872 * config/i386/mingw32.h: Likewise.
2873 * config/vax/vms.h: Likewise.
2874 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2876 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2877 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2878 * config/i386/xm-cygwin.h: Likewise.
2879 * config/i386/xm-djgpp.h: Likewise.
2880 * config/i386/xm-mingw32.h: Likewise.
2881 * config/vax/xm-vms.h: Likewise.
2883 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2884 instead of OBJECT_SUFFIX.
2885 * collect2.c (find_a_file): Look for files matching the extension
2886 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2887 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2888 TARGET_EXECUTABLE_SUFFIX.
2889 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2890 (make_relative_prefix): Likewise.
2891 (convert_filename): Use TARGET_ suffixes throughout. Remove
2893 (process_command): Likewise.
2894 (do_spec_1): Likewise.
2895 * java/lang.c (init_parse): Likewise.
2897 * gcc.texi : Document four new options matching the pattern
2898 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2899 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2900 documentation for NO_AUTO_EXE_SUFFIX.
2902 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2904 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2905 that language-independent processing should not be done.
2906 * toplev.c (main): Adjust accordingly.
2908 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2909 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2911 * mips.md (reload_outputdi): Require that operand0 be a
2914 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2916 * invoke.texi (-Wshadow): Clarify.
2918 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2920 * loop.c (load_mems): Examine all the instructions in the loop
2921 before concluding that all jumps branch to the first instruction
2924 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2926 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2928 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2930 * cpp.texi (-Wwhite-space): Remove.
2931 (-Wall): -Wall does not imply -Wwhite-space.
2933 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2935 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2936 use it instead of blindly generating a .stabs.
2937 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2939 * xcoffout.c: Don't bother defining default for N_CATCH.
2940 (UNKNOWN_STAB): Use internal_error.
2941 (stab_to_sclass): Remove now-unnecessary aborts.
2942 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2944 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2946 * jump.c (mark_all_labels): Canonicalize the tail recursion
2947 label attached to CALL_PLACEHOLDER insns.
2949 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * output.h (dump_flow_info, free_basic_block_vars,
2952 which_alternative): Delete redundant prototypes.
2954 * rtl.h (bss_section): Likewise.
2956 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2958 * dbxout.c (N_OPT): Define if not available from <stab.h>
2960 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2962 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2963 libraries and native K&R compilers.
2965 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2967 * c-typeck.c (convert_arguments): Don't check for width changes
2970 * invoke.texi (-Wtraditional): Update documentation.
2972 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2974 * toplev.c (output_lang_identify): Delete.
2975 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2976 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2977 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2978 after calling ASM_FILE_END.
2980 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2981 Instead, unconditionally emit an N_OPT stab with string equal
2982 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2984 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2986 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2987 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2988 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2989 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2990 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2991 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2992 config/i370/i370.h, config/i386/beos-elf.h,
2993 config/i386/osf1elf.h, config/i386/osfrose.h,
2994 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2995 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2996 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2997 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2998 config/mips/iris6.h, config/mips/osfrose.h,
2999 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3000 config/sparc/sp64-elf.h:
3001 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3002 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3004 * config/elfos.h, config/freebsd.h, config/linux.h,
3005 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3006 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3007 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3008 of ASM_FILE_START which merely emit a .version directive. Delete
3009 definitions of ASM_FILE_END which merely emit an .ident directive.
3011 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3012 ASM_IDENTIFY_GCC and move part of its logic into
3015 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3016 config/sparc/linux-aout.h: Don't emit .version directive in
3019 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3020 (output_file_start): Correct comment.
3022 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3023 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3025 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3026 * config/rs6000/aix.h: Correct comment.
3028 * config/i386/i386afe.h: Delete.
3029 * config.gcc: Remove references to i386afe.h.
3031 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3032 other macros deleted by this patch were undocumented.
3034 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3036 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3038 * pa.c (secondary_reload_class): SAR<->FP copies require a
3041 * install.texi (mips-mips-bsd): Update list of functions
3042 required to include memmove.
3043 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3044 used functions to include memmove.
3046 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3048 * i386.md (sqrtdf2): SFmode should be DFmode.
3050 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3052 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3053 (find_moveable_store): Likewise.
3055 2001-04-15 Jim Wilson <wilson@redhat.com>
3057 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3059 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3061 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3062 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3064 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3066 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3069 2001-04-14 Alan Modra <amodra@one.net.au>
3071 * pa.c (force_mode): New function.
3072 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3074 2001-04-13 Jim Wilson <wilson@redhat.com>
3076 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3077 (first_instruction): New static variable.
3078 (rtx_needs_barrier): Return 1 for alloc.
3079 (init_insn_group_barriers): Set first_instruction.
3080 (rws_sum): Delete duplicate definition.
3081 (group_barrier_needed_p): Return 0 when first_instruction true.
3082 (safe_group_barrier_needed_p): Save and restore first_instruction
3083 around group_barrier_needed_p call.
3085 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3087 * expr.h (enum libfunc_index): Add LTI_memmove.
3088 (memmove_libfunc): Define macro.
3089 * optabs.c (init_optabs): Initialize memmove_libfunc.
3090 * expr.c (expand_assignment): Use memmove_libfunc instead of
3093 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3095 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3098 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3100 * Makefile.in (reg-stack.o): Depend on reload.h.
3101 (insn-attrtab.o): Depend on flags.h.
3103 * genattrtab (main): Include flags.h in insn-attrtab.c.
3105 * reg-stack.c: Include reload.h.
3107 * sparc.h (flag_pic): Delete redundant declaration.
3109 * output.h (flag_pic): Likewise.
3111 * tree.h (pedantic): Likewise.
3113 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3115 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3117 * jump.c, regmove.c, toplev.c: Include reload.h.
3119 * reload.h (reload_cse_regs): Declare.
3121 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3122 reload_cse_regs, init_reload, mark_home_live, reload,
3123 init_caller_save): Delete redundant prototypes.
3125 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3127 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3129 * regclass.c, ssa.c: Include expr.h.
3131 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3132 gen_move_insn): Delete redundant declarations.
3134 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3136 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3137 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3138 MAKEINFO and MAKEINFOFLAGS too.
3139 (stage4_build): Correctly order -B flags.
3141 2001-04-13 Alan Modra <amodra@one.net.au>
3143 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3144 PIC_OFFSET_TABLE_SAVE_RTX.
3145 (zdepi_cint_p): Describe zdepi insn.
3146 Formatting and white space fixes throughout file.
3148 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3149 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3150 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3151 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3152 (output_64bit_and): Use plain `int's for shift counts.
3153 (output_64bit_ior): Likewise.
3154 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3155 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3158 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3159 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3160 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3161 NEW_HP_ASSEMBLER into one. Kill warnings.
3163 * pa-gas.h: Delete file.
3164 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3165 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3166 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3167 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3169 * config/pa/mill32.S: New file.
3170 * config/pa/mill64.S: New file.
3171 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3172 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3173 * config/pa/t-linux64: New file.
3174 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3175 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3176 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3178 * elfos.h (SELECT_SECTION): Undef before defining.
3179 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3180 (LIB_SPEC): Remove -lmilli.
3181 (DBX_REGISTER_NUMBER): Remove.
3182 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3183 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3184 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3185 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3186 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3187 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3188 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3189 TARGET_GAS): Define.
3190 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3191 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3192 regs if we don't have a prototype.
3193 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3194 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3195 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3196 EH_RETURN_HANDLER_RTX): Define.
3197 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3198 (DWARF_FRAME_REGNUM): Define.
3199 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3200 * pa32-linux.h: New file.
3201 * pa64-linux.h: New file.
3203 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3204 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3205 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3206 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3207 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3208 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3209 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3210 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3211 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3212 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3213 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3214 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3215 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3216 * pa64-hpux.h: New file.
3217 (ASM_FILE_START): Correct typo.
3218 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3219 * config.gcc: Modify for above.
3221 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3223 * jump.c (jump_optimize_1): Don't delete dead stores here.
3224 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3225 prior to running jump optimize before cse2.
3227 2001-04-12 Richard Henderson <rth@redhat.com>
3229 * Makefile.in (regmove.o): Depend on except.h.
3230 * regmove.c: Include it.
3232 2001-04-12 Stan Shebs <shebs@apple.com>
3234 * objc/objc-act.c: Remove all code ifdefed with the never-used
3235 macro OBJC_INT_SELECTORS.
3236 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3237 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3239 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3241 * config/pa/quadlib.c: Add prototypes.
3243 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * bitmap.h (debug_bitmap): Delete redundant prototype.
3247 * rtl.h (get_frame_size): Likewise.
3249 2001-04-12 Jim Wilson <wilson@redhat.com>
3251 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3252 to just emit an fnorm.
3254 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3256 * c-common.h (truthvalue_conversion, type_for_mode,
3257 type_for_size): Delete redundant declarations.
3259 * c-lex.h (is_class_name): Likewise.
3261 * c-tree.h (pedantic, convert, getdecls, gettags,
3262 global_bindings_p, init_decl_processing, insert_block,
3263 maybe_build_cleanup, poplevel, print_lang_decl,
3264 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3265 set_block, incomplete_type_error, build_function_call,
3266 lvalue_or_else, mark_addressable): Likewise.
3268 * expr.h (expand_tree_builtin): Likewise.
3270 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3272 * invoke.texi: Document --param max-gcse-memory.
3274 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * configure.in (errno): Check for declaration.
3277 * configure, config.in: Regenerated.
3279 * system.h (errno): Only declare if not already done.
3281 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3283 * recog.c (general_operand, immediate_operand,
3284 nonmemory_operand): Require CONST_INTs to be sign-extended
3285 values for their modes.
3287 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3289 * expmed.c (store_bit_field): Truncate CONST_INTs.
3290 (expand_mult_highpart, expand_divmod): Likewise.
3291 * expr.c (convert_modes, store_field): Likewise.
3292 * integrate.c (expand_inline_function): Use promote_mode() to
3293 determine whether to convert_modes() an argument as signed
3295 * optabs.c (expand_binop): Get CONST_INT operands
3296 sign-extended for their appropriate modes.
3297 * stmt.c (emit_case_nodes): Convert node values to the
3299 (expand_end_case): Convert minval and range to the appropriate
3301 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3302 the iteration variable.
3303 * varasm.c (immed_double_const): Don't require words to be
3304 narrower than host wide ints to properly sign-extend
3307 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3309 * sh.md (builtin_setjmp_receiver): New expander.
3311 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3313 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3314 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3315 for generating CONST_INT and CONST_DOUBLE.
3317 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3319 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3320 already sign-extended.
3321 (rs6000_emit_prologue): Make register iterator signed.
3322 (rs6000_emit_epilogue): Likewise.
3323 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3325 (movsf split, movdf split): Sign-extend CONST_INTs.
3326 (movdi splits): Likewise.
3328 2001-04-12 Kelley Cook <kelley.cook@home.com>
3330 * config-lang.in (lang_dirs): Add in zlib.
3332 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3334 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3335 operands that make it to RTL.
3337 2001-04-11 Stan Shebs <shebs@apple.com>
3339 Add Darwin (Mac OS X kernel) native support.
3340 * config.gcc (powerpc-*-darwin*): Add native bits.
3341 * config/darwin.c: New file, generic Darwin support functions.
3342 * config/darwin.h: New file, generic Darwin definitions.
3343 * config/darwin-protos.h: New file, generic Darwin prototypes.
3344 * rs6000/darwin.h: New file, Darwin for PowerPC.
3345 * rs6000/t-darwin: New file, Darwin makefile fragment.
3346 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3347 (TARGET_MACHO): Ditto.
3348 (rs6000_abi): Add ABI_DARWIN.
3349 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3350 (RS6000_SAVE_AREA): Ditto.
3351 (FP_ARG_MAX_REG): Ditto.
3352 (RETURN_ADDRESS_OFFSET): Ditto.
3353 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3355 (rs6000_emit_move): Add ABI_DARWIN cases.
3356 (print_operand): Ditto.
3357 (first_reg_to_save): Ditto.
3358 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3359 (debug_stack_info): Ditto.
3360 (rs6000_emit_prologue): Ditto.
3361 (rs6000_emit_epilogue): Ditto.
3362 (output_profiler_hook): Ditto.
3363 (output_function_profiler): Ditto.
3364 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3365 (output_mi_thunk): Add TARGET_MACHO case.
3366 (add_compiler_stub): Ditto.
3367 (output_compiler_stub): Ditto.
3368 (no_previous_def): Ditto.
3369 (output_call): Ditto.
3370 (machopic_output_stub): Ditto.
3371 (rs6000_machopic_legitimize_pic_address): Ditto.
3372 (toc_section): Ditto.
3373 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3374 (macho_high): Ditto.
3377 (load_macho_picbase): Ditto.
3378 (call): Add TARGET_MACHO case to modify function.
3379 (call_value): Ditto.
3380 (call_nonlocal_sysv): Add ABI_DARWIN case.
3381 (call_value_nonlocal_sysv): Ditto.
3382 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3384 (machopic_output_stub): Ditto.
3385 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3387 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3389 * dwarf2out.c (modified_type_die): Don't create new types here.
3390 * tree.h (get_qualified_type): New function.
3391 (build_qualified_type): Adjust comment.
3392 * tree.c (get_qualified_type): New function.
3393 (build_qualified_type): Use it.
3395 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3397 * cpp.texi (-Wtraditional): Update description.
3399 * invoke.texi (-Wtraditional): Likewise.
3401 2001-04-11 Jim Wilson <wilson@redhat.com>
3403 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3404 requires more than 64 bits of alignment.
3406 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3408 * cpplib.c (do_line): Sanity check iff enable checking.
3410 2001-04-11 Richard Henderson <rth@redhat.com>
3412 * Makefile.in (insn-recog.o): Depend on toplev.h.
3413 (insn-emit.o, doloop.o): Likewise.
3414 * genrecog.c, genemit.c: Include toplev.h in generated file.
3415 * doloop.c: Include toplev.h.
3417 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3419 * Makefile.in (gcse.o): Depend on params.h.
3420 * gcse.c: Include params.h.
3421 (gcse_main): Don't do GCSE if doing so will take inordinate
3423 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3424 * params.h (MAX_GCSE_MEMORY): New macro.
3426 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3428 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3430 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3432 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3434 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3436 * real.h (ereal_atof, real_value_truncate, target_isnan,
3437 target_isinf, target_negative, assemble_real, debug_real): Delete
3438 redundant prototypes.
3440 * Makefile.in (ifcvt.o): Depend on toplev.h.
3442 * c-semantics.c: Include expr.h.
3444 * ifcvt.c: Include toplev.h.
3446 * expr.h (rtx_equal_p): Delete prototype.
3448 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3449 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3450 eliminate_constant_term, expand_complex_abs, find_single_use,
3451 make_tree, init_expr_once, init_optabs, supports_one_only):
3454 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3455 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3456 expand_assignment, store_expr, emit_line_note_after,
3457 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3459 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3461 * sparc-protos.h: Delete redundant prototypes.
3463 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3465 * reload.c (push_reload): Add condition missed in SUBREG byte
3468 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3470 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3472 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3474 * i386.md (floatsisf_sse): Fix output template
3475 * i386.c (ix86_expand_fp_movcc)
3477 * reg-stack.c (emit_pop_insn): Handle complex modes.
3478 (move_for_stack_reg): Emit proper move mode.
3479 (subst_stack_regs_pat): Handle complex modes.
3481 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3483 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3485 2001-04-10 Richard Henderson <rth@redhat.com>
3487 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3488 (__pure_virtual, __terminate, __terminate_set_func,
3489 __default_terminate, __throw_type_match, __empty,
3490 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3491 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3492 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3493 Remove prototypes of deleted functions.
3495 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3497 * c-typeck.c (convert_arguments): -Wtraditional now activates
3498 -Wconversion warnings, except for changes in signed-ness.
3499 Detect complex<->int & int<->complex conversions as well.
3501 * invoke.texi (-Wtraditional): Document it.
3503 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3505 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3506 * flow.c (set_block_for_new_insns): Remove needless cast and
3507 properly check for unset block number.
3509 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3511 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3512 the subreg was a hard register. Pseudos are left as subregs.
3514 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3516 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3517 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3518 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3519 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3520 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3522 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3524 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3526 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3528 * output.h (set_block_num): Missed it earlier, remove deprecated
3531 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3533 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3534 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3535 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3536 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3537 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3538 (expr_killed_p): Change bb parameter from int to basic_block, pass
3539 basic_blocks instead of ints as parameters.
3540 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3541 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3542 from int to basic_block, pass basic_blocks instead of ints as parms.
3543 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3544 parameter from int to basic_block, pass basic_blocks instead of ints.
3545 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3546 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3547 pass basic_blocks instead of ints.
3548 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3549 basic_blocks instead of ints as parameters.
3550 (pre_delete): Pass basic_blocks instead of ints as parameters.
3551 (hoist_expr_reaches_here_p): Change bb parameter from int to
3552 basic_block, pass basic_blocks instead of ints.
3553 (hoist_code): Pass basic_blocks instead of ints as parameters.
3554 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3555 Change bb parameter from int to basic_block.
3556 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3557 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3558 pass basic_blocks instead of ints.
3559 (insert_store): Pass basic_blocks instead of ints as parameters.
3560 (replace_store_insn, delete_store): Change bb parameter from int to
3561 basic_block, pass basic_blocks instead of ints.
3562 (store_motion): Pass basic_blocks instead of ints as parameters.
3564 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3566 * basic-block.h (set_new_block_for_insns): New Prototype.
3567 (set_block_num): Delete prototype.
3568 * flow.c (set_block_num): Remove obsolete function.
3569 (set_block_for_new_insns): Set BB for single or multiple insns.
3570 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3571 (process_insn_end_bb): Use set_block_for_new_insns or
3572 set_block_for_insn instead of set_block_num.
3573 (pre_insert_copy_insn): Use set_block_for_new_insns.
3574 (update_ld_motion_stores): Use set_block_for_new_insns.
3575 (insert_insn_start_bb): Use set_block_for_new_insns.
3576 (replace_store_insn): Use set_block_for_new_insns.
3578 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3579 Jeff Law <law@redhat.com>
3581 * alias.c (get_addr): Externalize.
3582 (canon_true_dependence): New function. Behaves like true_dependance
3583 except it already assumes a MEM has been canonicalized.
3584 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3585 * gcse.c (struct ls_expr): Add load/store expressions structure.
3586 (modify_mem_list, canon_modify_mem_list): New variable.
3587 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3588 load motion and store motion if requested.
3589 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3590 (free_gcse_mem): Free the modify_mem_list array.
3591 (oprs_unchanged_p): Use load_killed_in_block_p.
3592 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3593 (mems_conflict_for_gcse_p): New function. Don't kill loads
3594 with stores to themselves if its in the load/store expression list.
3595 (load_killed_in_block_p): New function.
3596 (canon_list_insert): New Function.
3597 (record_last_mem_set_info): Keep a list of all instructions which
3598 can modify memory for each basic block.
3599 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3600 (oprs_not_set_p): Use load_killed_in_block_p.
3601 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3602 (expr_killed_p): Use load_killed_in_block_p.
3603 (compute_transp): Do not pessimize memory references.
3604 (pre_edge_insert): Update stores for a load motion expression.
3605 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3606 (ldst_entry): Find or create a ldst_expr structure.
3607 (free_ldst_entry): Free memory for an individual item.
3608 (free_ldst_mems): Free entire load/store expression list.
3609 (print_ldst_list): Print debug info.
3610 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3611 (enumerate_ldsts): Assign integer values to each entry in list.
3612 (first_ls_expr): First expression in the list.
3613 (next_ls_expr): Next expression in the list.
3614 (simple_mem): Check if expression qualifies for ld/st expression list.
3615 (invalidate_any_buried_refs): Remove from expression list if its
3616 used in some other way we dont understand.
3617 (compute_ld_motion_mems): Find all potential enhanced load motion
3619 (trim_ld_motion_mems): Remove any expressions which are invalid.
3620 (update_ld_motion_stores): Copy store values to registers for loads
3621 which have been moved.
3622 (regvec, st_antloc, num_store): New global statics.
3623 (reg_set_info): Marks registers as set.
3624 (store_ops_ok): Verfies registers expressions are valid in a block.
3625 (find_moveable_store): Look for moveable stores in a pattern.
3626 (compute_store_table): Find stores in a function worth moving, maybe.
3627 (load_kills_store): Check dependance of a load and store.
3628 (find_loads): Find any loads in a pattern.
3629 (store_killed_in_insn): Check if a store is killed in an insn.
3630 (store_killed_after): Check is store killed after an insn in a block.
3631 (store_killed_before): Check is store killed before an insn in a block.
3632 (build_store_vectors): Generate the antic and avail vectors.
3633 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3634 (insert_store): Add a store to an edge.
3635 (replace_store_insn): Replace a store with a SET insn.
3636 (delete_store): Delete a store insn.
3637 (free_store_memory): Free memory.
3638 (store_motion): Perform store motion.
3639 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3640 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3641 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3642 (f_options): Add gcse-lm and gcse-sm.
3644 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3646 * i386.c (expand_fp_movcc): Fix condition reversal code.
3648 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3649 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3650 (CLASS_MAX_NREGS): Use it.
3652 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3653 handle properly complex values.
3654 (CLASS_MAX_NREGS): Likewise; update comment.
3656 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3658 * ia64.c (ia64_flag_schedule_insns2): New variable.
3659 (ia64_override_options): Initialize it. Clear
3660 flag_schedule_insns_after_reload.
3661 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3663 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3665 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3666 Do not require source to match destination anymore;
3667 Add abort to the nontrivial cases that should be handled by split.
3668 (fix_trunc?fdi): Add SSE case for x86_64.
3669 (floatdi?f): Likewise.
3670 (floatdi?f_sse): New.
3671 (fix_trunc?fdi_sse): New.
3673 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3675 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3676 (DEBUG_ARANGES_END_LABEL): Ditto.
3677 (dwarfout_init): Generate length and version fields at the start
3678 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3679 after the length field.
3680 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3681 the .debug_aranges info.
3683 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3685 * i386.c (call, call_value): Make sure that resulting call_insn
3686 does have proper second operand.
3688 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3690 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3691 function. Remove include of sys/cygwin.h.
3693 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3695 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3696 (CPP_SPEC): Always search */include/w32api for header files.
3697 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3698 (LINK_SPEC): Add "cyg" to the library search prefixes.
3700 2001-04-08 Philip Blundell <philb@gnu.org>
3702 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3704 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3706 * cpperror.c (print_location): Don't special case <stdin>.
3707 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3708 WARNING, but we don't check if we're in system headers.
3709 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3710 * cpplib.c (do_warning): Warn in system headers.
3712 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3714 * mbchar.c: Include config.h first.
3716 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3718 * config.gcc: Set default for xmake_file at top, not bottom.
3719 Change places that set xmake_file to "none" to set to the
3720 empty string instead, or remove them entirely if there is no
3721 default xmake_file for this cpu_type. Remove references to
3724 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3725 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3726 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3727 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3728 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3729 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3730 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3731 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3732 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3733 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3736 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3737 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3738 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3739 config/mips/x-sysv, config/rs6000/x-aix31:
3740 Just set CLIB to -lld or -lmld, as appropriate.
3742 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3743 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3744 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3745 config/mips/x-iris, config/pa/x-pa:
3746 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3747 OTHER_FIXINCLUDES_DIRS.
3749 * config/i386/x-djgpp: Don't set LN or LN_S.
3750 * config/m88k/x-dolph: Don't define __m88k__.
3751 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3752 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3753 * config/i860/fx2800.h: No need to #undef SVR4.
3755 38 x-host fragments remain, 2 x-cpu.
3757 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3759 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3761 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3763 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3765 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3767 * configure.in: Add check for lstat.
3768 * configure, config.in: Regenerate.
3769 * cppinit.c (append_include_chain): Make empty path ".".
3770 * cpplib.c (do_line): Don't simplify #line paths.
3771 * cppfiles.c (remove_component_p): New function.
3772 (find_or_create_entry): Acknowledge stat () errors during
3773 path simplification.
3774 (handle_missing_header): Don't simplify paths.
3775 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3776 the empty path untouched. Don't leave a trailing '/'.
3778 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3780 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3781 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3783 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3785 * cppfiles.c (open_file): Fail directories silently, but
3786 with an errno of NOENT set.
3787 (read_include_file): Move the common exit code to the sole
3788 caller. Return an int indicating success or failure. Let
3789 open_file handle directories.
3790 (stack_include_file): If read_include_file fails,
3791 push a "null" buffer.
3793 2001-04-05 DJ Delorie <dj@redhat.com>
3795 * function.h (virtuals_instantiated): Declare.
3796 * function.c: (virtuals_instantiated): Make global.
3797 * calls.c (emit_library_call_value_1): Use
3798 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3799 Otherwise, use the stack pointer directly.
3801 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3803 * i386.c (x86_initialize_trampoline): New global function.
3804 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3805 (INITIALIZE_TRAMPOLINE): Move offline.
3806 * i386-protos.h (x86_initialize_trampoline): Declare.
3808 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3810 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3811 (lea_0): Rename to lea_1.
3812 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3813 (lea_general_?): Allow SImodes on TARGET_64BIT
3814 (lea_general_?_zext): New patterns.
3815 (call_1, call_1_rex64): Fix.
3817 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3819 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3821 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3823 * i386.c (function_arg): Return constm1_rtx for last argument.
3824 (ix86_expand_prologue): Update gen_call calls.
3825 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3826 * i386.md (call_pop): Likewise.
3827 (call): Second operand is VOIDmode.
3828 (call_0): Likewise; Support 64bits.
3829 (call_exp): New expander.
3830 (call_1): Get to the sync.
3831 (call_1_exp): New pattern.
3832 (call_value): Support 64bit.
3833 (call_value_exp): New pattern.
3834 (untyped_call): Update gen_call call.
3835 (call_value_pop): Disable for 64bit.
3836 (call_value_0_rex64): New pattern.
3837 (call_value_1_rex64): Likewise.
3839 2001-04-05 Bo Thorsen <bo@suse.de>
3841 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3843 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3845 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3846 satisfies ANY_QI_REG_P.
3848 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3850 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3853 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3856 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3858 * config.gcc: Remove default for xm_file. Clean up local
3859 machine type handling. Remove settings of xm_file to
3860 something that doesn't exist. In the big switch, set xm_file,
3861 don't append to it (the value before the big switch is always
3862 null). Don't force build_xm_file or host_xm_file to have a value.
3863 * configure.in: Remove default for xm_file. Do not special
3864 case $cpu/xm-$cpu.h not existing.
3865 * configure: Regenerate.
3867 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3869 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3870 when folding integer division and modulo operations.
3872 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3874 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3875 instead of DWARF2_ADDR_SIZE for EH addresses.
3876 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3879 2001-04-04 Richard Henderson <rth@redhat.com>
3881 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3882 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3883 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3885 2001-04-04 Richard Henderson <rth@redhat.com>
3887 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3888 * configure: Rebuilt.
3890 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3892 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3893 push insns to delete to it instead of deleting them.
3894 (delete_null_pointer_checks): Delete insns from delete_list after
3895 all delete_null_pointer_checks_1 passes are done.
3897 2001-04-04 Richard Henderson <rth@redhat.com>
3899 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3900 * configure: Rebuilt.
3902 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3904 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3905 * config/romp/xm-romp.h: Delete.
3907 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3909 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3912 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3914 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3915 all labels present in rtx.
3916 (try_split) Call new function for all split insns.
3918 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3920 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3921 sure the change won't be validated.
3923 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3925 * rtl.h (set_noop_p): Declare.
3926 * flow.c (set_noop_p): Move from here ...
3927 * rtlanal.c (set_noop_p): ... to here and enhance.
3928 * cse.c (delete_trivially_dead_insns): Use it.
3929 * gcse.c (hash_scan_set): Likewise.
3930 * jump.c (delete_noop_moves): Likewise.
3931 * recog.c (split_all_insns): Likewise.
3933 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3935 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3936 stack pointer via a LO_SUM. Ditto for setting a temp register
3937 used to save to the stack. Set cfa_temp when setting fp, and
3938 allow matches to cfa_temp in addition to cfa_store when saving
3939 regs. Handle POST_INC and LO_SUM register stores. Document the
3940 changes and errors in rule 12 doco.
3942 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3943 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3944 (load_reg): Move closer to epilogue code.
3945 (DO_FRAME_NOTES): Define to control the following..
3946 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3947 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3949 (hppa_expand_epilogue): Likewise.
3951 2001-04-03 Richard Henderson <rth@redhat.com>
3953 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3954 * configure: Rebuild.
3956 2001-04-03 Richard Henderson <rth@redhat.com>
3958 * rtl.h (LCT_THROW): New.
3959 * calls.c (emit_library_call_value_1): Handle it.
3960 * except.c (connect_post_landing_pads): Use it.
3962 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3964 * gansidecl.h: Delete file.
3965 * configure.in: Change all refs to gansidecl.h to use
3966 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3968 * configure: Regenerate.
3970 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3971 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3972 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3973 Don't include gansidecl.h.
3974 * intl.c, main.c, version.c, fixinc/fixlib.h,
3975 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3978 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3980 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3983 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3985 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3986 config/i386/xm-next.h, config/i386/xm-sco.h,
3987 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3988 config/m88k/xm-m88k.h: Delete.
3990 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3991 * config/romp/xm-romp.h: Don't define bcopy.
3992 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3993 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3995 * config.gcc: Remove references to deleted files.
3997 14 xm-host.h remain, 1 xm-cpu.h.
3999 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4000 David S. Miller <davem@pierdol.cobaltmicro.com>
4001 Andrew MacLeod <amacleod@redhat.com>
4003 Use byte offsets in SUBREGs instead of words.
4005 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4006 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4007 to pass new argument.
4008 (add_stored_regs): Use subreg_regno_offset function.
4009 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4011 (precompute_arguments): Use gen_lowpart_SUBREG.
4012 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4013 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4014 (simplify_set): Rework to use SUBREG_BYTE.
4015 (expand_field_assignment): Use SUBREG_BYTE.
4016 (make_extraction): Use SUBREG_BYTE.
4017 (if_then_else_cond): Use SUBREG_BYTE.
4018 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4019 (gen_lowpart_for_combine): Compute full byte offset.
4020 * cse.c (mention_regs): Use SUBREG_BYTE.
4021 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4022 (canon_hash): Use SUBREG_BYTE.
4023 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4024 (gen_lowpart_if_possible): Formatting.
4025 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4027 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4028 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4029 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4030 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4031 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4032 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4033 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4034 certain invariants about SUBREGs the compiler creates.
4035 (gen_lowpart_SUBREG): New function.
4036 (subreg_hard_regno): New function to get the final register number.
4037 (gen_lowpart_common): Use SUBREG_BYTE.
4038 (gen_imagpart): Spacing nits.
4039 (subreg_realpart_p): Use SUBREG_BYTE.
4040 (gen_highpart): Use SUBREG_BYTE.
4041 (subreg_lowpart_p): Always compute endian corrected goal offset,
4042 even at the byte level, then compare against that.
4043 (constant_subword): New function, pulled out all constant cases
4044 from operand_subword and changed second argument name to offset.
4045 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4046 and call constant_subword to do the work. Return const0_rtx if
4047 looking for a word outside of OP.
4048 (operand_subword_force): Change second arg name to offset.
4049 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4050 (store_split_bit_field): Use SUBREG_BYTE.
4051 (extract_bit_field): Use SUBREG_BYTE.
4052 (extract_split_bit_field): Use SUBREG_BYTE.
4053 (expand_shift): Use SUBREG_BYTE.
4054 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4055 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4056 * flow.c (set_noop_p): Use SUBREG_BYTE.
4057 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4058 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4059 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4061 (optimize_bit_field): Use SUBREG_BYTE.
4062 (purge_addressof_1): Use SUBREG_BYTE.
4063 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4064 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4065 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4066 * gengenrtl.c (special_rtx): Add SUBREG.
4067 * global.c (mark_reg_store): Use SUBREG_BYTE.
4068 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4069 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4070 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4071 final byte offset is congruent to subreg's mode size.
4072 (subst_constants): Use SUBREG_BYTE.
4073 (mark_stores): Use subreg_regno_offset function.
4074 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4075 function and SUBREG_BYTE.
4076 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4077 (reg_is_born): Use subreg_hard_regno.
4078 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4079 endian correction code. Don't combine subregs unless resulting
4080 offset aligns with type. Fix subreg constant extraction for DImode.
4081 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4082 (general_operand): Remove dead mode_altering_drug code.
4083 (indirect_operand): Use SUBREG_BYTE.
4084 (constrain_operands): Use subreg_regno_offset function.
4085 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4086 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4087 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4088 * regs.h (REG_SIZE): Allow target to override.
4089 (REGMODE_NATURAL_SIZE): New macro which target can override.
4090 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4091 on the entire subreg rtx.
4092 (push_reload): Use SUBREG_BYTE in comments and code.
4093 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4094 for hard registers inside subregs.
4095 (operands_match_p): Use subreg_regno_offset.
4096 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4097 containing hard regs.
4098 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4099 corrections when fixing up MEM subregs.
4100 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4101 subreg_regno_offset where appropriate.
4102 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4103 byte endian corrections when fixing up MEM subregs.
4104 (subst_reloads): When combining two subregs, make sure final
4105 offset is congruent to subreg's mode size.
4106 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4107 (refers_to_regno_for_reload_p): Use subreg_regno.
4108 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4109 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4110 correction code for memory subreg fixups.
4111 (forget_old_reload_1): Use subreg_regno_offset.
4112 (choose_reload_regs): Use subreg_regno.
4113 (emit_input_reload_insns): Use SUBREG_BYTE.
4114 (reload_combine_note_store): Use subreg_regno_offset.
4115 (move2add_note_store): Use subreg_regno_offset.
4116 * resource.c (update_live_status, mark_referenced_resources): Use
4117 subreg_regno function.
4118 (mark_set_resources): Use subreg_regno function.
4119 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4120 (subreg_regno_offset, subreg_regno): Define prototypes.
4121 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4122 (gen_lowpart_SUBREG): Add prototype.
4123 * rtl.texi (subreg): Update to reflect new byte offset representation.
4124 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4125 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4126 (reg_overlap_mentioned_p): Use subreg_regno.
4127 (replace_regs); Make sure final offset of combined subreg is
4128 congruent to size of subreg's mode.
4129 (subreg_regno_offset): New function.
4130 (subreg_regno): New function.
4131 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4132 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4133 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4134 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4135 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4136 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4137 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4138 (print_operand): Use SUBREG_BYTE.
4139 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4140 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4141 (arm_reload_out_hi): Use SUBREG_BYTE.
4142 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4143 instead of SUBREG_WORD.
4144 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4145 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4146 SUBREG creation to use byte offset.
4147 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4148 inverted load insns): Fix explicit rtl subregs to use byte
4150 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4151 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4152 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4153 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4154 to use byte offsets.
4155 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4156 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4157 offsets, also make sure it is congruent to SUBREG's mode size.
4158 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4159 unnamed ldob insn): Generate SUBREGs with byte offset.
4160 (zero_extendqihi2): SUBREG's are byte offsets.
4161 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4162 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4163 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4164 zero-extendqisi2): Generate SUBREGs with byte offset.
4165 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4166 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4167 subregs in rtl to use byte offsets.
4168 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4169 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4170 (mips_move_2words): Use subreg_regno_offset.
4171 (mips_secondary_reload_class): Use subreg_regno_offset.
4172 * config/mips/mips.md (DImode plus, minus, move, and logical op
4173 splits): Fixup explicit subregs in rtl to use byte offsets.
4174 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4175 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4176 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4177 rtl to use byte offsets.
4178 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4179 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4180 subregs to use byte offsets.
4181 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4182 Fixup explicit subregs in rtl to use byte offsets.
4183 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4184 and remove byte endian correction code.
4185 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4186 (gen_ashift_hi): Use SUBREG_BYTE.
4187 (regs_used): Use subreg_regno_offset.
4188 (machine_dependent_reorg): Use subreg_regno_offset.
4189 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4190 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4191 (movdf_i4): Subregs are byte offsets now.
4192 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4193 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4194 (REGMODE_NATURAL_SIZE): Override.
4195 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4196 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4198 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4199 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4200 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4201 it is congruent to SUBREG's mode size.
4202 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4204 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4205 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4206 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4207 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4208 * config/v850/v850.c (print_operand, output_move_double): Use
4209 subreg_regno function.
4211 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4213 * configure.in (target_subdir): Use target_alias, not target.
4214 * configure: Rebuilt.
4216 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4218 * config/sh/crti.asm: Fix typos in comments.
4220 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4222 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4223 TARGET_FAST_INDIRECT_CALLS.
4224 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4226 (return_addr_rtx): Short circuit export stub matching when
4227 TARGET_NO_SPACE_REGS.
4228 (output_millicode_call): For out of range calls, make -fPIC
4229 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4230 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4231 * pa.md: Modify length attr calculation of all millicode insns to
4234 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4236 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4237 Require at least 2.11 in the version test. Specifically check
4238 for and reject GAS version 2.10.90.
4239 * configure: regenerate.
4241 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4243 * pa.c (override_options): Remove PIC profiling warning.
4244 (hp_profile_labelno): Delete.
4245 (hp_profile_label_rtx): Delete.
4246 (hp_profile_label_name): Delete.
4247 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4248 (output_function_prologue): Remove profiling code and all tests on
4249 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4250 merge_sp_adjust_with_store can work for PIC and profiling.
4251 (hppa_expand_epilogue): Remove profile_flag test.
4252 (hppa_can_use_return_insn_p): Likewise.
4253 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4254 cater for PROFILE_HOOK.
4255 (hppa_profile_hook): New function.
4256 * pa.h (FUNCTION_PROFILER): Now does nothing.
4257 (PROFILE_HOOK): Define.
4258 (hppa_profile_hook): Declare.
4259 (PROFILE_BEFORE_PROLOGUE): Delete.
4260 (ASM_OUTPUT_REG_PUSH): Delete.
4261 (ASM_OUTPUT_REG_POP): Delete.
4262 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4263 r24. Accept function name operand, and use this and a locally
4264 generated label to calculate pc-rel offset to func start.
4266 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4269 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4272 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4274 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4275 LO_SUM cases to where they belong.
4277 2001-04-02 Richard Henderson <rth@redhat.com>
4279 * except.h (lang_eh_type_covers): Mark extern.
4280 (lang_eh_runtime_type): Likewise.
4282 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4284 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4285 gengenrtl.c: Wrap generated header in multiple-include guard.
4286 Improve error checking.
4288 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4290 * configure.in: Don't check for putenv.
4291 * configure: Regenerate.
4292 * gcc.c (putenv): Don't define.
4293 * vax/xm-vms.h: Handle putenv.
4295 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4297 * ifcvt.c (noce_emit_move_insn): New.
4298 (noce_try_store_flag, noce_try_store_flag_constants,
4299 noce_try_store_flag_inc, noce_try_store_flag_mask,
4300 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4301 noce_try_abs): Use it.
4302 (noce_process_if_block): Likewise.
4303 For STRICT_LOW_PART, take mode from its SUBREG.
4305 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4307 * fold-const.c (fold): Before optimizing unsigned comparison with
4308 0x7fffffffU, make sure arg0 is integral type.
4310 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4312 * c-tree.texi: Document representation of wide strings.
4314 2001-04-01 Richard Henderson <rth@redhat.com>
4316 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4318 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4320 * i386.md: remove obsoleted comments.
4321 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4322 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4323 fix output template.
4325 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4327 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4329 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4331 * loop.c (load_mems): When generating a load from a pseudo, update
4334 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4336 * i386.c (ix86_split_long_move): Use change address to compensate
4337 stack pointer change in push instruction.
4339 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4341 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4342 instead of rtx_equal_p; fix the output template.
4344 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4346 * i386.c (ix86_expand_setcc): Support 64bit.
4347 (ix86_expand_int_movcc): Likewise.
4348 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4351 * i386.md (allocate_stack_worker): Turn to expander.
4352 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4354 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4356 2001-03-29 Richard Henderson <rth@redhat.com>
4358 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4360 2001-03-28 Matthew Hiller <hiller@redhat.com>
4362 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4365 * MAINTAINERS: Added self.
4367 2001-03-28 Richard Henderson <rth@redhat.com>
4369 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4370 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4372 2001-03-28 Jim Wilson <wilson@redhat.com>
4374 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4377 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4381 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4384 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4386 2001-03-28 DJ Delorie <dj@redhat.com>
4388 * Makefile.in (stage1_build): Revert CFLAGS patch.
4390 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4392 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4393 when multiplier or multiplicand is zero.
4395 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4397 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4399 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4401 (set_src_needs_barrier): Likewise.
4402 (rtx_needs_barrier): For SET case, use these two functions. Rework
4403 PARALLEL case to handle all inputs before all outputs.
4404 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4405 saw a label and no stop bit since then.
4406 (maybe_rotate, process_epilogue): Add prototypes.
4408 2001-03-28 Richard Henderson <rth@redhat.com>
4410 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4411 not TARGET_TOC for special toc restore handling.
4412 * config/rs6000/rs6000.md (eh_return): Likewise.
4414 2001-03-28 Richard Henderson <rth@redhat.com>
4416 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4417 current_function_calls_eh_return.
4418 (output_function_epilogue): Handle eh_return.
4419 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4420 (EH_RETURN_DATA_REGNO): New.
4421 (EH_RETURN_STACKADJ_RTX): New.
4422 (EH_RETURN_HANDLER_RTX): New.
4423 * config/sparc/sparc.md (call/short branch peepholes): Check
4424 can_throw_internal instead of in_same_eh_region.
4426 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4427 for eh_return data registers.
4428 (rs6000_emit_prologue): Save eh_return data registers.
4429 (rs6000_emit_epilogue): Force inline restores if eh_return.
4430 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4431 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4432 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4433 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4434 the target uses one.
4435 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4436 (return_eh_si, return_eh_di): Remove.
4437 (eh_return): New, from corpse of eh_epilogue.
4438 (eh_set_lr_si, eh_set_lr_di): New.
4440 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4441 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4442 True for pic register if current_function_calls_eh_return.
4443 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4444 Handle eh_return requirements.
4445 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4446 (EH_RETURN_STACKADJ_RTX): New.
4447 * config/i386/i386.md (exception_receiver): Remove.
4448 (eh_return, eh_return_1): New.
4449 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4451 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4452 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4453 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4454 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4455 (EH_RETURN_DATA_REGNO): New.
4456 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4457 * config/alpha/alpha.md (eh_epilogue): Remove.
4458 (exception_receiver): Use $26 for ldgp input.
4459 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4461 2001-03-28 Richard Henderson <rth@redhat.com>
4463 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4464 * except.h: Likewise.
4466 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4467 (LIB2ADDEHDEP): New.
4468 (LIB2FUNCS_EH): Remove.
4469 (LIB2ADD): Remove LIB2ADDEH.
4470 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4471 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4472 (crt{begin,end}[S].o): Likewise.
4473 (except.o): Update includes.
4474 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4475 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4477 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4478 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4479 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4480 * builtins.c (expand_builtin): Implement it.
4481 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4482 * c-common.c (c_common_nodes_and_builtins): Declare it.
4483 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4484 * calls.c (libfunc_nothrow): Remove.
4485 (emit_library_call_value_1): Don't call it.
4486 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4487 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4488 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4489 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4490 (current_funcdef_number): Globalize.
4491 (output_call_frame_info): Emit frame data if an lsda is needed.
4492 Generate augmentation for personality routine. Don't play with
4494 (dwarf2out_begin_prologue): Record funcdef_number.
4495 * dwarf2out.h (current_funcdef_number): Declare.
4496 * expr.c (expand_expr): Update for except.h name changes.
4497 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4498 * expr.h (LTI_throw, LTI_rethrow): Remove.
4499 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4500 (LTI_eh_rtime_match): Remove.
4501 (LTI_unwind_resume, LTI_eh_personality): Add.
4502 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4503 * final.c (final): Don't call check_exception_handler_labels,
4504 init_insn_eh_region, or free_insn_eh_region.
4505 (final_scan_insn): Always emit debug labels for
4506 NOTE_INSN_EH_REGION notes.
4507 * flags.h (flag_new_exceptions): Remove.
4508 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4509 (record_active_eh_regions): Remove.
4510 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4511 Use can_throw_internal.
4512 (find_basic_blocks_1): Likewise.
4513 (move_stray_eh_region_notes): Remove.
4514 (find_label_refs): No eh_return_stub_label.
4515 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4516 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4518 (delete_unreachable_blocks): Don't track deleted handlers.
4519 (flow_delete_block): Use maybe_remove_eh_handler.
4520 (delete_eh_regions): Remove.
4521 (merge_blocks): Don't check for eh region match.
4522 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4523 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4524 (init_propagate_block_info): Disable dead frame store optimization
4525 when current_function_calls_eh_return.
4526 (dump_bb): Don't print eh_beg, eh_end.
4527 * function.c (fixup_var_refs): No catch_clauses.
4528 (expand_function_end): Likewise. Call expand_eh_return before
4529 the return register use. Call sjlj_emit_function_exit_after.
4530 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4531 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4532 * ifcvt.c (dead_or_predicable): Remove eh region check.
4533 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4534 Don't check for EH vs parameters.
4535 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4536 (expand_inline_function): Call duplicate_eh_regions.
4537 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4538 (copy_insn_notes): Remap REG_EH_REGION notes.
4539 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4540 * integrate.h (struct inline_remap): Add local_return_label.
4541 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4542 check_exception_handler_labels, nor exception_optimize.
4543 (find_cross_jump): No EH region check.
4544 * optabs.c (init_optabs): Update for changed eh libfuncs.
4545 * rtl.def (RESX): New.
4546 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4547 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4548 checks. Update for except.h name changes.
4549 (expand_cleanups): Likewise.
4550 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4551 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4552 (compile_file): Call init_eh before init_optabs. Don't
4553 output_exception_table here.
4554 (rest_of_compilation): Call convert_from_eh_region_ranges,
4555 convert_to_eh_region_ranges, output_function_exception_table.
4556 Don't emit_eh_context.
4557 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4558 (EXC_PTR_EXPR): New.
4560 * md.texi (eh_epilogue): Remove.
4561 (eh_return): Document.
4562 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4563 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4565 * eh-common.h: Remove file.
4566 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4567 * libgcc2.c (L_eh): Remove.
4569 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4570 * unwind-dw2-fde.h: New file.
4571 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4572 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4573 * libgcc-std.ver: Update for eh symbols.
4575 2001-03-27 Richard Henderson <rth@redhat.com>
4577 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4578 reduce false positives.
4579 (regmove_optimize): Disable if flag_non_call_exceptions.
4581 * stmt.c (expand_return): Remove always true predicate.
4582 (expand_decl_cleanup_no_eh): Remove dead code.
4584 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4585 barrier code. Add a scheduling barrier if a non-call insn
4586 can throw internally.
4588 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4589 Auto-inc addresses trap only if their base register does.
4591 * except.c (can_throw_internal): Rename from can_throw.
4592 * except.h, resource.c: Update references.
4594 * integrate.c (copy_insn_list): Use returnjump_p.
4595 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4597 * function.h (struct function): Move all boolean valued fields
4598 to single bit fields at the end of the struct.
4600 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4602 Rename asynchronous_exceptions to flag_non_call_exceptions.
4604 * gthr-single.h (UNUSED): New. Distinguish between how C
4605 and C++ mark unused function arguments. Use throughout.
4607 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4608 value to target configuration header.
4609 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4610 * config.in, configure: Rebuild.
4611 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4612 configuration and target defines.
4613 (exceptions_via_longjmp): Remove.
4614 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4615 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4617 * except.h (flag_non_call_exceptions): Move ...
4618 * flags.h: ... here.
4620 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4621 exceptions, put the note on the trapping instruction.
4623 * flags.h (flag_new_exceptions): Remove.
4624 * toplev.c: Don't set it.
4625 * final.c: Don't check it.
4626 * except.c: Provide stub definition.
4628 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4629 (calculate_global_regs_live): Kill call-clobbered registers
4630 across exception edges.
4631 * reg-stack.c (convert_regs_1): Kill the entire target stack
4632 across non-call exception edges.
4634 * flow.c (cleanup_cfg): Take no argument.
4635 * output.h, sibcall.c, toplev.c: Update all calls.
4637 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * configure.in: Don't check for bcopy.
4640 * configure, config.in: Regenerate.
4642 * system.h: Don't define or prototype bcopy, instead poison it.
4644 2001-03-27 Richard Henderson <rth@redhat.com>
4646 * function.c (expand_function_start): Set DECL_REGISTER on
4647 a pseudo used for DECL_RESULT.
4649 * rtl.h (LCT_NORETURN): New.
4650 * calls.c (emit_library_call_value_1): Handle it.
4652 2001-03-27 Stan Shebs <shebs@apple.com>
4654 * objc/objc-act.c (objc_init): Use dump_base_name.
4655 (gen_declaration): Clear the buffer arg.
4656 (gen_declaration_1): New function, body of gen_declaration.
4657 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4658 (gen_method_decl): Ditto, plus always clear buffer arg.
4659 (error_with_ivar): Simplify.
4660 (warn_with_method): Ditto.
4661 (build_message_expr): Don't clear buffers.
4662 (dump_interface): Ditto.
4663 (objc_debug): Ditto.
4664 (build_keyword_selector): Clear the buffer by only zeroing
4666 (objc_implementation_context): Declare.
4667 (start_class): Warn about missing @end.
4668 (finish_objc): Ditto.
4670 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4672 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4674 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4676 * Makefile.in (SYSTEM_H): Define.
4677 Depend on $(SYSTEM_H), not system.h.
4679 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4681 2001-03-27 Jim Wilson <wilson@redhat.com>
4683 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4685 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4686 (process_epilogue): New static function.
4687 (process_set): Call process_epilogue instead of emitting .restore
4689 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4691 * flow.c (struct reg_cond_life_info): New fields orig_condition
4693 (init_propagate_block_info): Set new fields.
4694 (mark_regno_cond_dead): Set and use new fields.
4695 (flush_reg_cond_reg_1): Likewise.
4696 (and_reg_cond, case AND): Check for redundant AND conditions.
4697 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4700 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4702 * cppmacro.c (stringify_arg): Null terminate strings.
4704 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4706 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4707 inclusion style. xm-m68hc11.h no longer exists.
4708 * config/m68hc11/xm-m68hc11.h: Delete file.
4709 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4711 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4712 Don't define GCC_VERSION, N_, or PARAMS; don't include
4713 gansidecl.h or stdio.h. Define inhibit_libc here.
4714 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4715 Delete code conditioned on #if GCC_VERSION == 2095.
4717 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4718 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4719 Delete code conditioned on #if GCC_VERSION == 2095.
4721 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * system.h: Include symcat.h.
4724 (STRINGIFY): Don't define.
4726 * configure.in: Adjust comment.
4728 * builtins.c: Use STRINGX, not STRINGIFY.
4729 * gencheck.c: Likewise.
4730 * gengenrtl.c: Likewise.
4731 * protoize.c: Likewise.
4733 * cpplex.c: Don't include symcat.h.
4734 * cpplib.c: Likewise.
4736 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4738 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4740 * c-typeck.c (digest_init): Fold init expression.
4742 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4744 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4746 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4748 * except.c (eh_regs): Save results of build_pointer_type to a temp
4749 as FUNCTION_VALUE macro may evaluate its args multiple times.
4751 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4753 * c-common.h (DECL_NUM_STMTS): New macro.
4754 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4756 (pushdecl): Likewise.
4757 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4758 * integrate.c (expand_inline_function): Don't check
4760 * print-tree.c (print_node): Don't print it.
4761 * toplev.c (rest_of_compilation): Don't try to inline when
4762 flag_no_inline is on.
4763 * tree.h (DECL_FRAME_SIZE): Remove.
4764 (tree_decl): Adjust accordingly.
4766 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4768 * combine.c (try_combine): Use memcpy, not bcopy.
4770 * genattrtab.c (expand_units): Likewise.
4772 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4774 * i386.md (push mem DI peep2): New.
4775 (mov 0, mov -1 peep2): Handle 64bit.
4776 (lea to arithmetics peep2): Handle 64bit leas.
4777 (rsp arithmetics to push/pop peep2s): New.
4779 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4781 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4783 * i386.c (struct machine_function): Add save_varrargs_registers.
4784 (ix86_save_varrargs_registers): New macro.
4785 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4786 (ix86_expand_prologue): Likewise.
4787 (ix86_emit_epilogue_esp_adjustement): Likewise.
4788 (ix86_expand_epilogue): Likewise.
4789 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4790 (pro_epilogue_adjust_stack_1): New insn.
4791 (pro_epilogue_adjust_stack_rex64): Likewise.
4792 * i386.h (MASK_NO_RED_ZONE): New constant.
4793 (TARGET_RED_ZONE): New macro.
4794 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4795 (RED_ZONE_SIZE): New constant.
4796 (RED_ZONE_RESERVE): New constant.
4798 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4800 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4802 2001-03-25 Kazu Hirata <kazu@hxi.com>
4804 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4807 (umodhi3): Likewise.
4810 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4812 * mkconfig.sh (DEFINES): Handle entries with '='.
4814 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4815 Set xm_defines to MACRO=value instead.
4817 * i370/xm-mvs.h: Delete.
4819 * ns32k/xm-pc532-min.h: Likewise.
4821 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4823 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4825 use ix86_expand_binary_operator
4826 (?sh??i_?): Disable for 64bit.
4827 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4828 * i386.c (shiftdi_operand): New predicate.
4830 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4831 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4832 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4833 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4834 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4835 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4836 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4837 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4838 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4839 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4840 (rotldi3, rotrdi3): New expanders.
4842 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4844 * i386.md (movstrsi): Move offline.
4846 (strmovdi_rex64): New.
4847 (strmov?i): Accept 64bit.
4848 (strmov?i_rex64): New.
4849 (strmov?i_rex_1): New.
4850 (strmov?i_1): Disable for 64bit.
4851 (rep_mov?i_rex64): New.
4852 (rep_mov?i): Disable for 64bit.
4853 (clrstrsi): Move offline.
4854 (strset?i_rex64): New.
4855 (strset?i: Accept 64bit.
4856 (rep_stos?i): Disable for 64bit.
4857 (rep_stos?i_rex64): New.
4858 (strset?i_rex_1): New.
4859 (strset?i_1): Disable for 64bit.
4860 (cmpstrsi): Accept 64bit.
4861 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4862 (cmpstrqi_nz_rex_1): New.
4863 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4864 (strlensi): Move offline.
4866 (strlenqi_1): Disable for 64bit; fix constraints.
4867 (strlenqi_rex_1): New.
4868 * i386.c (ix86_adjust_counter): New static function.
4869 (ix86_zero_extend_to_Pmode): Likewise.
4870 (ix86_expand_aligntest): Likweise.
4871 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4872 (ix86_expand_movstr): New global function.
4873 (ix86_expand_clrstr): New global function.
4874 (ix86_expand_strlen): New global function.
4875 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4876 ix86_expand_strlen): Declare.
4877 (ix86_expand_strlensi_unroll_1): Delete.
4879 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4881 * i386.md (cmpdi): Fix operand predicates.
4882 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4883 cmpdi_1_insn_rex64): New patterns.
4884 (adddi3): Turn to expander.
4885 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4886 (addsi3_carry_zext): New pattern.
4887 (adddi_?_rex64): New patterns and splitters.
4888 (addsi_?_zext): New patterns.
4889 (subsi3_carry_zext): New pattern.
4890 (subdi_?_rex64): New patterns and splitters.
4891 (iorsi_?_zext): New patterns.
4892 (iordi_?_rex64): New patterns and splitters.
4893 (iorsi_?_zext): New patterns.
4894 (iorsi_?_zext_imm): New patterns.
4895 (xorsi_?_zext): New patterns.
4896 (xordi_?_rex64): New patterns and splitters.
4897 (xorsi_?_zext): New patterns.
4898 (negdi*): New patterns.
4899 (one_cmpldi*): Likewise.
4900 (one_cmplsi*_zext, negsi*_zext): Likewise.
4901 (testqi_ext_3_rex64): New pattern.
4903 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4905 * i386-protos.h (ix86_split_long_move): Return void.
4906 * i386.c (ix86_split_to_parts): Handle 64bit target.
4907 (ix86_split_long_move): Likewise.
4908 * i386.md (all calls to ix86_split_long_move): Update.
4910 2001-03-23 Richard Henderson <rth@redhat.com>
4912 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4913 to avoid shadowing arguments.
4915 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4917 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4918 to variable names where DECL_NAME is different from
4919 DECL_ASSEMBLER_NAME.
4921 2001-03-23 Jim Wilson <wilson@redhat.com>
4923 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4924 (assemble_alias): Call make_decl_rtl.
4926 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4928 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4930 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4932 * extend.texi: Document the "java_interface" attribute.
4934 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4936 * mkconfig.sh: Use a subshell with redirected stdout,
4937 instead of closing stdout and confusing commands that run
4938 afterward. Throw away output of cmp.
4940 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4942 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4944 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4946 * i386.md (zero_extendsidi2_32): Break out from ...
4947 (zero_extendsidi2): ... here ; turn to expander.
4948 (zero_extendsidi2_rex64): New.
4949 (extendsidi2_32): Break out from ...
4950 (extendsidi2): ... here ; turn to expander.
4951 (extendsidi2_rex64): New.
4952 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4953 (trunc?f?f splitters): Add 64bit versions.
4955 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4957 * i386.md (pushsi, pushsi2_prologue): Disable.
4958 (pushsi2_rex64): New.
4959 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4960 (movqi_ext_1): Disable for 64bit.
4961 (movqi_ext_1_rex64): New.
4962 (pushdi2_rex64): New pattern, peep2s and splitter.
4963 (pushdi2_prologue_rex64): New pattern.
4964 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4966 (movdi splitters): Disable for 64bit.
4967 (movdi_1_rex64): New pattern, peep2s and splitters.
4968 (swapdi): New pattern.
4969 (pushsf): Disable for 64bit.
4970 (pushsf_rex64): New pattern and splitter.
4971 (pushdf_nointeger): Disable for 64bit.
4972 (pushdf_integer): Handle the 64bit case.
4973 (pushtf): Likewise; update splitters.
4975 2001-03-22 Richard Henderson <rth@redhat.com>
4977 * mkconfig.sh: Include insn-flags.h.
4978 * Makefile.in (CONFIG_H): Include insn-flags.h.
4979 (lots of objects): Remove insn-codes.h and insn-flags.h.
4981 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4982 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4983 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4984 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4985 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4986 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4987 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4988 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4989 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4990 v850/v850.c, vax/vax.c:
4991 Don't include insn-flags.h.
4993 * diagnostic.c, expr.h, reload.c, toplev.c:
4994 Don't include insn-codes.h.
4996 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4997 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4998 c4x/c4x.c, i960/i960.c, mips/mips.c:
4999 Don't include insn-codes.h or insn-flags.h.
5001 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5002 or insn-flags.h in the generated code.
5003 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5004 (main): Forward declare struct rtx_def.
5006 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5008 * invoke.texi (-ffast-math): Remove duplicate line about
5011 * gcc.texi: Remove more obsolete documentation of bugs and
5012 installation problems.
5014 2001-03-21 Kazu Hirata <kazu@hxi.com>
5016 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5019 2001-03-20 Jason Merrill <jason@redhat.com>
5021 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5023 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5024 * varasm.c (CHKR_PREFIX): Likewise.
5026 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5028 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5029 is part of a multi-SET insn.
5031 * cse.c (find_comparison_args): Remove previous change.
5032 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5035 * config/i386/i386.md (conditional_trap): Remove warning.
5037 * recog.c (push_operand): Fix error in last change that caused
5038 undefined symbol on many targets.
5040 * sdbout.c: #include ggc.h.
5041 (sdbout_init): Move to end of file.
5042 Call ggc_add_tree_root for anonymous_types.
5043 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5044 (sdbout_one_type): Use DECL_NAME for field name.
5045 * Makefile.in (sdbout.o): Show includes ggc.h.
5047 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5049 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5050 (override_options): Use properlimits for preferred_stack_boundary.
5051 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5053 (ext_register_operand): Accept DImode.
5054 (load_pic_register): Abort on 64bit.
5055 (gen_push): Use Pmode instead of SImode.
5056 (ix86_save_reg): Pic reg is never used on 64bit.
5057 (ix86_expand_prologue): Likewise.
5058 (ix86_emit_save_regs): Use Pmode instead of SImode.
5059 (legitimate_address_p): Check displacement for 64bit.
5060 (print_operand): Avoid outputting of (%rip) on 64bit.
5061 (print_operand_address): Output (%rip) where possible.
5062 (split_di): Abort on 64bit registers.
5063 (ix86_expand_branch): DImode comparison is simple for x86_64.
5064 (memory_address_length): Recognize memory addresses formed using
5066 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5068 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5070 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5072 * recog.c (push_operand): Recognize new format of push instructions.
5074 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5076 * i386.md (pushqi1): New.
5077 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5078 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5079 x86_64_immediate_operand, x86_64_immediate_operand,
5080 x86_64_zext_immediate_operand): Declare.
5081 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5082 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5083 x86_64_immediate_operand, x86_64_immediate_operand,
5084 x86_64_zext_immediate_operand): define.
5085 * i386.h (PREDICATE_CODES): Add new predicates.
5087 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5089 * i386.md (pophi1, popqi1, pushqi1): Remove.
5091 * expr.c (emit_single_push_insn): New function.
5092 (move_by_pieces): Accept NULL as destination for push instructions.
5093 (gen_push_operand): Kill.
5094 (emit_push_insn): Pass NULL when pushing; avoid updating of
5095 stack_pointer_delta.
5096 * expr.h (gen_push_operand): Kill.
5098 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5100 * rtl.texi (COMPARE): Clarify documentation and reference section
5103 2001-03-20 Stan Shebs <shebs@apple.com>
5105 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5106 (get_object_reference): Ditto.
5107 (error_with_ivar): Use error_with_file_and_line.
5108 (warn_with_method): Use warning_with_file_and_line.
5110 2001-03-20 Tom Tromey <tromey@redhat.com>
5112 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5114 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5116 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5117 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5119 2001-03-20 DJ Delorie <dj@redhat.com>
5121 * Makefile.in (install-libgcc): Pass complete list of variables.
5122 (install-multilib): Ditto.
5124 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5126 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5127 drectve_section, switch_to_section.
5129 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5130 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5131 i386_pe_mark_dllimport.
5133 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5135 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5136 functions i386_pe_*.
5138 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5139 i386_pe_* functions with char * arguments.
5141 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5143 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5145 (movsi_ie): Introduce fpul store.
5147 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5149 * Makefile.in (OBJS): Remove hashtab.o.
5151 2001-03-19 Stan Shebs <shebs@apple.com>
5153 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5154 * c-lang.c (maybe_objc_method_name): Ditto.
5155 * c-tree.h (maybe_objc_method_name): Remove decl.
5157 2001-03-19 Tom Tromey <tromey@redhat.com>
5159 * gcc.c (init_gcc_specs): Fix comment.
5161 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5163 Compute DECL_ASSEMBLER_NAME lazily.
5164 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5165 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5166 (SET_DECL_ASSEMBLER_NAME): Likewise.
5167 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5168 (set_decl_assembler_name): Declare.
5169 (lang_set_decl_assembler_name): Likewise.
5170 * tree.c (lang_set_decl_assembler_name): New variab.e
5171 (set_decl_assembler_name): New function.
5172 (init_obstacks): Set lang_set_decl_assembler_name.
5173 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5174 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5175 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5176 where it's not necessary.
5177 (builtin_function): Likewise.
5178 (finish_decl): Likewise.
5179 * dbxout.c (dbxout_type_methods): Likewise.
5180 * ggc-common.c (ggc_mark_trees): Likewise.
5181 * profile.c (output_func_start_profiler): Likewise.
5182 * varasm.c (make_decl_rtl): Likewise.
5184 * cse.c (find_comparison_args): Update documentation. Fix
5185 mishandling of COMPARE operations.
5187 * tree.def (ABS_EXPR): Add documentation.
5188 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5190 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5192 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5194 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5196 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5197 Remove ia32 linux PIC kludge and move it...
5198 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5200 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5202 * i386.md (absdf2 expander): Fix 64bit case.
5204 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5206 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5208 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5210 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5212 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5214 * README.X11: Remove obsolete file.
5216 2001-03-18 Anthony Green <green@redhat.com>
5218 * config/pj/pj.h: Remove some trailing commas.
5219 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5221 2001-03-18 Richard Henderson <rth@redhat.com>
5223 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5224 * calls.c: ... here.
5225 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5226 defaults for them here.
5228 2001-03-17 Anthony Green <green@redhat.com>
5230 * config/pj/lib1funcs.S: Fix broken comment.
5231 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5234 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5236 * gcc.texi: Remove obsolete information relating to build and
5237 installation problems with enquire or the Pyramid C compiler.
5239 2001-03-17 Richard Henderson <rth@redhat.com>
5241 * dwarf2out.c (queue_reg_save): New.
5242 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5243 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5245 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5246 (cfa, cfa_store, cfa_temp): Make static.
5247 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5249 2001-03-17 Richard Henderson <rth@redhat.com>
5251 * integrate.h (struct inline_remap): Add local_return_label.
5252 * integrate.c (expand_inline_function): Initialize it and emit
5253 it after copy_insn_notes.
5254 (copy_insn_list): Don't store local_return_label here.
5255 (copy_insn_notes): New function split out from copy_insn_list.
5257 2001-03-17 Richard Henderson <rth@redhat.com>
5259 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5260 is generating .debug_line.
5261 (dwarf2out_init): Add main_input_filename to the file table first.
5262 * configure.in (as_dwarf2_debug_line): Test with file number 1
5263 instead of file number 0.
5265 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5267 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5268 (gen_rtx_combine): Deleted; all references changed as appropriate.
5269 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5271 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5273 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5275 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5278 2001-03-16 Jim Wilson <wilson@redhat.com>
5280 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5281 then set it to LOC_REG (79) instead of aborting.
5283 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5285 * gccbug.in: Remove high priority.
5287 2001-03-16 Richard Henerson <rth@redhat.com>
5289 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5290 output with a space instead of deleting it.
5291 * configure: Regenerate.
5293 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5295 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5296 handles the gory details of converting an object file into
5297 something that's safe to grep.
5298 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5299 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5300 newlines at either end of the string we're looking for.
5301 Make 'checking ...' message less stilted.
5302 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5303 ARM in-memory layout and its hypothetical converse. Don't
5304 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5305 HOST_WORDS_BIG_ENDIAN.
5307 * configure.in: Adjust for renamed macro. Move
5308 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5309 * configure, config.in: Regenerate.
5311 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5313 * fixinc/Makefile.in: Set SHELL.
5315 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5317 * fixinc/fixincl.c (fix_with_system): Quote file names before
5318 passing them to shell.
5320 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5322 * Makefile.in: Use fix-header$(build_exeext) instead
5325 2001-03-16 Richard Henderson <rth@redhat.com>
5327 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5328 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5329 (size_of_line_prolog): Remove.
5330 (output_line_info): Compute prologue size via label difference.
5331 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5333 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5334 assembler error when redefining file numbers.
5335 * config.in, configure: Rebuild.
5337 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5338 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5339 (dw2_asm_output_delta_uleb128): Likewise.
5340 (dw2_asm_output_delta_sleb128): Similarly.
5341 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5343 2001-03-16 Michael Meissner <meissner@redhat.com>
5345 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5347 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5349 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5351 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5352 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5353 being unsigned in ISO C and signed in traditional.
5354 (expand_prologue): Ditto.
5355 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5357 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5359 (divsi3,divdi3): Ditto.
5360 (modsi3,moddi3): Ditto.
5361 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5362 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5363 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5366 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5368 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5369 SSE based conditional moves on LTGT/UNEQ conditions;
5370 Canonicalize EQ to NE.
5371 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5372 (sse_mov?fcc_ne): New.
5374 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5376 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5378 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5379 register may be dead.
5381 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5383 * Makefile.in (hash.o): Depend on CONFIG_H.
5385 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5387 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5389 2001-03-15 Richard Henderson <rth@redhat.com>
5391 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5392 (ASM_OUTPUT_DWARF_PCREL): New.
5393 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5395 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5397 * cppfiles.c (stack_include_file): Use MAX of sysp.
5399 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5401 * config.gcc (ia64*-*-hpux*): New case.
5402 * config/ia64/hpux.h: New file for HP-UX support.
5403 * config/ia64/t-hpux: New file for HP-UX support.
5405 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5407 * fixinc/inclhack.def (irix_stdio_va_list): New.
5408 * fixinc/fixincl.x: Rebuilt.
5410 2001-03-15 Richard Henderson <rth@redhat.com>
5412 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5413 if provided by the target.
5414 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5415 (dw2_asm_output_addr): New.
5416 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5417 * dwarf2out.c (output_cfi): Use it for program addresses.
5418 (output_call_frame_info, output_die): Likewise.
5419 (output_aranges, output_line_info): Likewise.
5421 2001-03-15 Bruce Korb <bkorb@gnu.org>
5423 * gcc.c(main): make more rigorous
5424 * collect2.c(main): guard against ignoring SIGCHLD
5425 * protoize.c(main): ditto
5426 * gcc/fixinc/fixincl.c(initialize): ditto
5428 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5430 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5431 (sdbout_parms): Likewise.
5433 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5435 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5436 "widen" a destination that is already wider than a word. Also do
5437 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5439 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5441 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5443 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5445 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5447 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5449 * i960.h (i960_maxbitalignment,
5450 i960_last_maxbitalignment): Declare.
5451 * i960.c (i960_maxbitalignment,
5452 i960_last_maxbitalignment): Make global.
5453 (process_pragma): Delete.
5454 (i960_pr_align, i960_pr_noalign): Move from here ...
5455 * i960-c.c: ... to this new file.
5456 * t-960bare (i960-c.o): New rule.
5457 * t-vxworks960 (i960-c.o): Likewise.
5458 * config.gcc (i960-*-*): Define c_target_objs and
5461 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5463 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5464 without adding in rtx code and mode.
5466 * alias.c (init_alias_analysis): Don't use any rtx whose value
5467 varies as a known value.
5468 Delete a superfluous test.
5470 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5472 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5473 scheduling a stop bit.
5474 (ia64_emit_nops): Correctly handle ASMs.
5476 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5478 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5480 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5482 * cpp.texi: Update documentation for -include and -imacros.
5483 * cppfiles.c (struct include_file): Remove "defined" memeber.
5484 (find_or_create_entry): Make a copy of the file name, and
5486 (open_file): Update to ensure we use the simplified filename.
5487 (stack_include_file): Don't set search_from.
5488 (cpp_included): Don't simplify the path name here.
5489 (find_include_file): New prototype. Call search_from to
5490 get the start of the "" include chain. Don't simplify the
5492 (_cpp_execute_include): New prototype. Move diagnostics to
5493 do_include_common. Update.
5494 (_cpp_pop_file_buffer): Don't set defined.
5495 (search_from): New prototype. Use the preprocessor's cwd
5496 for files included from the command line.
5497 (read_name_map): Don't simplify the pathname here.
5498 * cpphash.h (enum include_type): New.
5499 (struct buffer): Delete search from. New search_cached.
5500 (_cpp_execute_include): Update prototype.
5501 * cppinit.c (do_includes): Use _cpp_execute_include.
5502 * cpplib.c (do_include_common): New function.
5503 (do_include, do_include_next, do_import): Use it.
5505 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5507 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5508 contents of the RTL, to determine the name of the object.
5510 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5512 * tree.h (DECL_RTL): Allocate RTL lazily.
5513 (SET_DECL_RTL): New macro.
5514 (DECL_RTL_SET_P): Likewise.
5515 (COPY_DECL_RTL): Likewise.
5516 (DECL_RTL_IF_SET): Likewise.
5517 * varasm.c (make_decl_rtl): Add assertions about the kind of
5518 declaration we are processing.
5519 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5520 (start_decl): Likewise.
5521 (finish_decl): Likewise.
5522 * c-semantics.c (emit_local_var): Likewise.
5523 * calls.c (expand_call): Likewise.
5524 * dbxout.c (dbxout_symbol): Likewise.
5525 * emit-rtl.c (unshare_all_rtl): Likewise.
5526 (unshare_all_decls): Likewise.
5527 (reset_used_decls): Likewise.
5528 * expr.c (store_constructor): Likewise.
5529 (safe_from_p): Likewise.
5530 (expand_expr): Likewise.
5531 * function.c (put_var_into_stack): Likewise.
5532 (instantiate_decls_1): Likewise.
5533 (assign_parms): Likewise.
5534 (expand_function_start): Likewise.
5535 (expand_function_end): Likewise.
5536 * ggc-common.c (gcc_mark_trees): Likewise.
5537 * integrate.c (function_cannot_inline_p): Likewise.
5538 (copy_decl_for_inlining): Likewise.
5539 (expand_inline_function): Likewise.
5540 (integrate_parm_decls): Likewise.
5541 (integrate_decl_tree): Likewise.
5542 * print-tree.c (print_node): Likewise.
5543 * reg-stack.c (stack_result): Likewise.
5544 * stmt.c (label_rtx): Likewise.
5545 (expand_return): Likewise.
5546 (expand_decl): Likewise.
5547 (expand_decl_cleanup): Likewise.
5548 (expand_anon_union_decl): Likewise.
5549 * toplev.c (check_global_declarations): Likewise.
5550 (rest_of_decl_compilation): Likewise.
5551 * tree.c (simple_cst_equal): Likewise.
5552 * objc/objc-act.c (generate_static_references): Likewise.
5554 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5556 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5557 gcc_AC_C_FLOAT_FORMAT): New macros.
5558 * configure.in: Add AC_PROG_CPP after CC tests;
5559 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5560 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5561 * configure, config.in: Regenerate.
5563 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5564 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5565 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5566 config/i370/xm-linux.h, config/i370/xm-oe.h,
5567 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5568 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5569 config/pa/xm-linux.h, config/pa/xm-pa.h,
5570 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5571 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5572 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5573 config/we32k/xm-we32k.h: Delete.
5575 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5576 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5577 config/vax/xm-vms.h: Don't define any of:
5578 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5580 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5582 * config.gcc: Remove references to deleted files.
5583 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5584 FATAL_EXIT_CODE, which is the same between oe and mvs).
5586 2001-03-14 DJ Delorie <dj@redhat.com>
5587 Vladimir Makarov <vmakarov@redhat.com>
5589 * config/i960/i960.c (i960_function_prologue): Compute size of
5590 frame according to number of registers actually saved there.
5592 2001-03-14 Richard Henderson <rth@redhat.com>
5594 * expr.c (emit_move_insn_1): Fix else if around #endif.
5596 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5599 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5602 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5604 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5605 (override_options): Parse cmodel string.
5606 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5607 * i386.h (TARGET_OPTIONS): Add "cmodel".
5608 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5610 (ix86_cmodel_string, ix86_cmodel): Declare.
5612 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5615 * i386.h (GENERAL_REG_P): Add missing REG_P.
5617 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5619 * configure.in: Use $gcc_cv_as instead of $as.
5620 * configure: Regenerated.
5622 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5624 * cppfiles.c (stack_include_file): Only increase the include
5625 count if we actually process the file properly, as opposed
5626 to treating it as length zero. Only call read_include_file
5627 if not DO_NOT_REREAD. Handle the -H include file output
5629 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5630 (cpp_included, find_include_file): Simplify pathnames after
5631 remapping them. If remapping, don't use the remapped file
5632 name's buffer as our scratch buffer.
5633 (cpp_pop_file_buffer): Replace the multiple include macro
5634 only if it isn't yet set.
5635 (read_name_map): Simplify remapped names when reading in.
5636 (remap_filename): Move code to code path that uses it.
5637 (_cpp_simplify_pathname): Return the input pointer.
5638 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5640 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5642 * expr.c (expand_expr): Revove bogus conditional.
5644 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5646 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5648 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5650 * reg-stack.c (stack_result): Unconditionally use
5651 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5653 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5655 * expr.c (emit_move_insn_1): Split push of complex value when
5656 no suitable push instruction exist.
5658 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5659 instead of QI_REG_P.
5661 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5663 * alias.c (handled_component_p, can_address_p): New functions.
5664 (get_alias_set): Use them.
5666 2001-03-13 Jim Wilson <wilson@redhat.com>
5668 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5669 from 80 in try_locals code.
5670 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5672 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5674 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5675 gcc_AC_C_LONG_LONG): New.
5676 * configure.in: Use them. Probe the size of short, int, long,
5677 and long long/__int64 if we have them. Move all the AC_C_*
5678 checks together, except gcc_AC_C_CHAR_BIT which has to go
5679 after AC_CHECK_HEADERS(limits.h).
5680 Take hwint.h out of host_xm_file and build_xm_file.
5682 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5683 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5684 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5685 Move the HOST_WIDEST_INT setup logic here from system.h.
5686 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5688 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5689 is now handled by hwint.h.
5691 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5692 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5693 config/ia64/xm-ia64.h: Don't define any of:
5694 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5695 HOST_BITS_PER_LONGLONG.
5697 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5698 config/h8300/xm-h8300.h, config/mips/iris6.h,
5699 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5700 config/sparc/xm-sp64.h: Delete.
5701 * config.gcc: Remove references to deleted files.
5703 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5704 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5705 * config/i370/xm-linux.h: Clarify floating-point situation in
5708 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5710 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5711 (find_include_file): Decide here which part of the include
5712 chain to start the search. Complain about an empty include
5713 chain in all cases apart from an abolsute file name.
5714 (_cpp_execute_include): Don't choose the search chain here.
5715 Don't call handle_missing_include in the case of an empty
5717 (_cpp_compare_file_date): Don't choose the search chain here.
5718 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5719 here from _cpp_execute_include. Behave like #include if
5720 we're in the main file.
5722 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5724 * system.h (malloc, realloc, calloc, strdup): Only poison these
5725 tokens when IN_GCC is defined.
5727 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5729 * i386.md (abs?f expander): Support SSE case.
5730 (abd?f_if): Add new "USE"; add splitters.
5732 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5734 * cpp.texi (poison): Explain the macro expansion exception.
5736 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5738 * expr.c (store_expr): Add dont_store_target. If temp is already in
5739 target before copying to reg, don't store it into target again.
5741 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5743 * cppinternals.texi: Update for file handling.
5745 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5747 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5748 2001-02-24 which broke building the Java library.
5749 * function.c (identify_blocks): Likewise.
5750 (all_blocks): Likewise.
5751 * integrate.c (integrate_decl_tree): Likewise.
5752 * print-tree.c (print_node): Likewise.
5753 * tree.h (BLOCK_NUMBER): Likewise.
5754 (struct tree_block): Likewise.
5756 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5758 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5759 __WCHAR_TYPE__ definition.
5760 (WCHAR_TYPE_SIZE): #undef before #define.
5762 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5764 * cppfiles.c: Update comments.
5765 (destroy_include_file_node): Rename destroy_node.
5766 (find_or_create_entry): New function.
5767 (open_file, _cpp_fake_include): Use it.
5768 (handle_missing_header): New function, broken out of
5769 _cpp_execute include. Don't segfault if there is no
5770 system or quoted path.
5771 (_cpp_execute_include): Use handle_missing_header.
5773 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5775 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5776 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5778 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5780 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5781 unless anti_dependence says they are.
5782 * alias.c (objects_must_conflict): If neither has a type specified,
5785 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5786 David Billinghurst <David.Billinghurst@riotinto.com>
5788 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5790 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5792 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5793 (*_one_bit): Remove type on the match_operand in attributes.
5795 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5797 * i386.c: Commit forgotten hunk in previous patch.
5798 (regclass_map): Add extended registers.
5799 (dbx_register_map): Add missing frame register.
5801 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5803 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5805 * i386.md (x86_sahf_1): Disable for 64bit.
5806 (popsi*, pophi*): Likewise.
5807 (pushqi, pushhi): Likewise.
5808 (movdi, pushdi): Likewise.
5809 (zero extend DImode splitter): Likewise.
5810 (adddi, minusdi splitter): Likewise.
5811 (umulsidi): Likewise.
5813 (mulsidi): Disable for 64bit
5814 (lshift:DI/ashift:DI): Disable for 64bit.
5815 (loop patterns): Likewise.
5816 (call_pop, call_value_pop expanders and patterns): Likewise.
5817 (prologue_get_pc): Likewise.
5819 (fcmovDI pattern and splitter): Likewise.
5820 (movdfcc_1_rex64): New.
5822 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5824 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5825 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5826 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5827 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5828 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5829 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5830 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5831 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5832 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5833 (REGPARM_MAX): Set to 6 for x86_64.
5834 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5835 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5838 * (patterns that does use upper halves): Update constraints
5839 'q' to 'Q' and 'r' to 'R'.
5840 (cmpqi_ext_1): Disable for 64bit.
5841 (cmpqi_ext_3_insn): Likewise.
5842 (movqi_extzv_1): Likewsie.
5843 (addqi_ext_1): Liekwsie
5844 (testqi_ext_1): Liekwsie
5845 (andqi_ext_1): Liekwsie
5846 (xorqi_ext_1): Liekwsie
5847 (cmpqi_ext_1_rex64): New.
5848 (cmpqi_ext_3_insn_rex64): Likewise.
5849 (movqi_extzv_1_rex64): Likewsie.
5850 (addqi_ext_1_rex64): Liekwsie
5851 (testqi_ext_1_rex64): Liekwsie
5852 (andqi_ext_1_rex64): Liekwsie
5853 (xorqi_ext_1_rex64): Liekwsie
5855 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5857 * configure.in: Move check for unsigned enumerated bitfields
5858 to macro in aclocal.m4. Disable it for now.
5859 * configure, config.in: Regenerate.
5860 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5861 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5862 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5863 kind above its first use.
5865 * config/xm-interix.h, config/alpha/xm-alpha.h,
5866 config/i370/xm-linux.h, config/i386/xm-beos.h,
5867 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5868 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5869 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5870 Don't define ONLY_INT_FIELDS under any circumstances.
5872 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5874 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5875 config/sparc/xm-sysv4.h: Delete - now identical with some
5877 * config.gcc (hppa targets): Replace xm-pahpux.h and
5878 xm-papro.h with implicit xm-pa.h.
5879 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5882 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5884 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5885 before reload_cse_noop_set_p.
5887 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5889 * config.gcc: Where xm-host.h used to include another
5890 xm-host.h, list the nested header directly in xm_file. Remove
5891 references to deleted files. Can now use sparc/xm-sp64.h for
5894 * config/xm-linux.h, config/arm/xm-linux.h,
5895 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5896 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5897 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5898 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5899 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5902 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5903 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5904 bother to wrap #undef in #ifdef.
5905 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5906 Don't include xm-linux.h.
5907 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5909 * configure.in: Wrap regexps using [] in changequote block.
5910 Use expr : not echo | grep. Simplify regexps.
5911 * configure: Regenerate.
5913 56 xm-files remain, 22 xm-arch.
5915 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5917 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5918 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5919 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5920 (copy_object): Fix format specifier vs argument mismatch.
5922 * mips-tdump.c: Make local functions static.
5923 (rindex): Don't #undef.
5924 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5925 (fatal, fancy_abort): Delete.
5926 (read_seek): Avoid signed/unsigned compare.
5928 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5930 * combine.c (try_combine): Fix error in change to try original
5932 (gen_rtx_combine): Do same as gen_rtx for now.
5934 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5936 * configure.in: AC_SUBST xm_defines.
5937 * configure: Regenerate.
5938 * Makefile.in: Set DEFINES=$(xm_defines) when building
5941 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5944 (cpp_included, find_include_file): Update.
5945 (_cpp_compare_file_date): Make else unconditional.
5947 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5949 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5951 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5953 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5954 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5956 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5958 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5959 if it's a record type.
5961 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5963 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5964 mingw includes slightly.
5966 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5968 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5969 #undef token before poisoning it.
5971 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5973 * alpha.c (check_float_value): Use memcpy, not bcopy.
5975 * m32r.c (m32r_sched_reorder): Likewise.
5977 * vax.c (check_float_value): Likewise.
5979 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5981 * toplev.c (file_name_nondirectory): Remove.
5982 * toplev.h: Similarly.
5983 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5984 of file_name_nondirectory.
5986 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5988 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5989 * mips-tfile.c: Don't #undef rindex; not used.
5991 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5993 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5994 (dbx64_register_map): Declare.
5995 (RETURN_ADDR_RTX): Fix for 64bit.
5996 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5997 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5998 * i386.c (dbx64_register_map): New global array.
5999 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6000 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6003 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6005 * cppfiles.c (search_from): Use lbasename.
6006 * mkdeps.c (deps_add_default_target): Use lbasename.
6008 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6010 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6011 xcalloc in lieu of malloc, realloc & calloc.
6013 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6015 * gengenrtl.c (xmalloc): Likewise.
6017 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6018 really_call_* memory allocation routines.
6020 * stmt.c (check_for_full_enumeration_handling): Use
6021 really_call_calloc, not calloc.
6023 * system.h (really_call_malloc, really_call_calloc,
6024 really_call_realloc): Define.
6025 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6027 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6029 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6031 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6033 * configure: Rebuilt.
6034 * configure.in: Only use `lang_requires' for languages athat are
6037 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6039 * invoke.texi: Fix typo.
6040 * gcc.1: Regenerate.
6042 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6044 * configure.in: Prune nonexistent files from build_xm_file,
6045 xm_file, and host_xm_file lists. Warn unless they're
6047 Don't generate *config.h here.
6048 AC_SUBST all variables needed to generate *config.h.
6049 * configure: Regenerate.
6050 * mkconfig.sh: New helper script, from code removed from
6052 * Makefile.in: Zap all MALLOC variables - no longer used
6053 anywhere, and malloc.c doesn't exist.
6054 Substitute in variables needed to generate *config.h.
6055 Stop lying about the dependencies contained in CONFIG_H and
6057 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6058 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6059 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6060 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6061 $(TM_P_H), etc. as appropriate.
6063 * config.gcc: Zap references to deleted files.
6064 * ggc-none.c: Don't include rtl.h or tm_p.h.
6066 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6067 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6068 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6069 config/i386/xm-linux.h, config/i386/xm-linux.h,
6070 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6071 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6072 Don't include i386/xm-i386.h.
6074 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6075 config/i386/xm-i386.h, config/i860/xm-i860.h,
6076 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6077 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6078 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6079 Delete (empty except comments, #includes of other deleted
6080 files, and macros used nowhere).
6082 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6084 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6085 independent on TARGET_FLAGS.
6087 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6089 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6091 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6093 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6095 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6096 LAST_REX_SSE_REG): define.
6097 (enum reg_class): Add 'LEGACY_REGS'
6098 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6099 (SSE_REGNO_P): Recognize extended registers.
6100 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6101 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6102 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6103 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6104 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6105 REG_OK_FOR_STRREG_P): Remove.
6106 (HI_REGISTER_NAMES): Add extended registers.
6107 (ADDITIONAL_REGISTER_NAMES): Likewise.
6108 (QI_REGISTER_NAMES): Add 8bit extended registers.
6109 (DEBUG_REG): Support extended registers.
6110 * i386.c (regclass_map): Add extended registers.
6111 (dbx_register-map): Likewise.
6112 (svr4_dbx_register_map): Likewise.
6113 (print_reg): Support extended registers.
6114 (print_operand): Support 64bit operands.
6116 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6118 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6119 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6120 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6121 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6122 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6123 STACK_BOUNDARY): Set properly for 64bits.
6124 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6125 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6126 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6127 (MOVE_MAX): Set to 16.
6128 (MOVE_MAX_PIECES): 8 for 64bit.
6129 (Pmode): Set to SImode.
6131 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6133 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6135 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6137 * i386.h (mask_64bit): New constant.
6138 (target_64bit): New macro.
6139 (target_options): Add '64'/'32'
6140 (target_default): Define.
6141 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6142 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6143 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6145 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6147 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6149 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6151 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6152 LO_SUM unless for_alias is set.
6154 2001-03-08 Stan Shebs <shebs@apple.com>
6156 * objc/objc-act.c: Fix old typos in comments, add comments for
6158 (hash_init): Fix file name in error message.
6159 (hash_enter): Ditto.
6160 (hash_add_attr): Ditto.
6161 (continue_class): Ditto.
6163 2001-03-08 Bruce Korb <bkorb@gnu.org>
6165 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6166 wait4() can receive the signal.
6168 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6170 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6172 * fixinc/fixincl.x: Regenerate.
6174 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6176 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6178 * fixinc/fixincl.x: Regenerate.
6180 2001-03-08 Richard Henderson <rth@redhat.com>
6182 * configure.in (HAVE_AS_LEB128): New assembler check.
6183 * configure, config.in: Rebuilt.
6185 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6187 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6190 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6192 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6193 references to the MAXPATHLEN macro.
6195 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6196 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6199 * config/i386/xm-gnu.h, config/xm-gnu.h,
6200 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6201 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6202 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6203 and/or unused files.
6205 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6206 doing so in various xm-*.h files.
6208 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6210 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6212 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6214 * configure.in (enable_shared): Support per-package shared-library
6216 * configure: Rebuilt.
6218 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6220 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6221 for crnot. Set operands[5] in splitter.
6223 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6225 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6226 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6227 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6228 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6229 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6230 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6231 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6234 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6235 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6236 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6237 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6238 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6239 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6240 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6241 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6242 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6243 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6244 Delete unused and/or empty files.
6246 * config.gcc: Define USG in xm_defines as appropriate. Define
6247 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6248 macro. Remove deleted xm-* files from $xm_files variable.
6250 2001-03-07 Tom Tromey <tromey@redhat.com>
6252 * configure: Rebuilt.
6253 * configure.in: Allow config-lang.in to set `lang_requires' to list
6254 of other required languages.
6256 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6258 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6260 (output_prologue): Use xmalloc not oballoc.
6261 (output_epilog): Free a29k_first_epilogue_insn when finished.
6262 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6264 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6266 * builtins.c (expand_builtin_mathfn): Check
6267 flag_unsafe_math_optimizations, not flag_fast_math.
6268 (expand_builtin): Likewise
6269 * combine.c (combine_simplify_rtx): Likewise.
6270 (simplify_if_then_else): Likewise.
6271 * cse.c (fold_rtx): Likewise.
6272 * flags.h: Remove flag_fast_math. Add
6273 flag_unsafe_math_optimizations and flag_trapping_math.
6274 * fold-const.c (negate_expr): Check
6275 flag_unsafe_math_optimizations, not flag_fast_math.
6276 (invert_truthvalue): Likewise.
6277 (fold): Likewise. Before associating operands, check that
6278 code == MULT_EXPR, not code != MULT_EXPR.
6279 * ifcvt.c (noce_try_minmax): Check
6280 flag_unsafe_math_optimizations, not flag_fast_math.
6281 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6282 * invoke.texi: Document -funsafe-math-optimizations and
6283 -fno-trapping-math. Change documentation for -ffast-math.
6284 * jump.c (reversed_comparison_code_parts): Likewise.
6285 (rtx_equal_for_thread_p): Likewise.
6286 * optabs.c (emit_conditional_move): Likewise.
6287 * simplify-rtx.c (simplify_binary_operation): Likewise.
6288 (simplify_relational_operation): Likewise.
6289 (simplify_ternary_operation): Likewise.
6290 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6291 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6292 Add trapping-math and unsafe-math-optimizations entries to f_options.
6293 (set_fast_math_flags): New, sets flags for -ffast-math.
6294 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6295 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6296 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6298 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6299 (alpha_emit_conditional_move): Initialize local_fast_math to
6300 flag_unsafe_math_optimizations, not flat_fast_math.
6301 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6302 instead of setting flag_fast_math to 1.
6303 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6305 * config/i386/i386.c (override_options): Likewise
6306 * config/i386/i386.md: Likewise.
6307 * config/m68k/m68k.md: Likewise.
6308 * config/mips/mips.md: Likewise.
6309 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6310 (rs6000_generate_compare): Likewise.
6312 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6314 * Makefile.in: Set RANLIB to @RANLIB@.
6317 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6319 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6320 * fixinc/fixincl.x: Regenerated.
6322 2001-03-07 Richard Henderson <rth@redhat.com>
6324 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6326 2001-03-07 Richard Henderson <rth@redhat.com>
6328 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6329 of block notes and exception handling notes.
6331 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6332 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6333 (compile_file): ... here.
6335 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6339 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6340 config.h now. Include libiberty.h to handle alloca.
6342 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6344 * c-parse.in (yylexname): New function, split out of _yylex.
6345 (objc_rid_sans_at): New table.
6346 (init_reswords): Initialize it.
6347 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6348 retrieving the next token and checking it for significance as
6349 an ObjC keyword or string constant.
6351 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6352 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6354 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6357 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6359 * config/m68k/m68k.c (const_uint32_operand): Accept any
6360 const_int on a 32-bit host.
6362 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6364 * objc/objc-act.c (init_objc): Set save_lang_status,
6365 restore_lang_status, and mark_lang_status.
6367 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6369 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6371 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6373 * cppinternals.texi: Update.
6375 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6377 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6378 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6379 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6380 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6381 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6382 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6383 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6384 config/i386/xm-i386.h, config/i860/xm-i860.h,
6385 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6386 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6387 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6388 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6389 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6390 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6391 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6392 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6393 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6394 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6395 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6396 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6397 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6398 match the defaults provided in hwint.h.
6400 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6401 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6403 * config.gcc (xm_file): Don't set to files which are deleted.
6405 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6406 guard this file against these macros being undefined.
6408 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6410 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6411 and DECL_DEFER_OUTPUT on the decl we create, before calling
6412 rest_of_decl_compilation.
6414 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6416 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6418 * configure, config.in: Regenerate.
6419 * config.gcc: Remove references to deleted files.
6421 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6422 genrecog.c, rtl.c: Do not use alloca anywhere.
6424 * Makefile.in, build-make, system.h, config/x-interix,
6425 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6426 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6427 config/arc/xm-arc.h, config/arm/xm-arm.h,
6428 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6429 config/h8300/xm-h8300.h, config/i370/x-oe,
6430 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6431 config/i386/x-ncr3000, config/i386/x-sco5,
6432 config/i386/xm-dgux.h, config/i860/x-sysv4,
6433 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6434 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6435 config/m68k/x-hp320g, config/m69k/x-mot3300,
6436 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6437 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6438 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6439 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6440 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6441 config/mips/x-iris, config/mips/x-iris3,
6442 config/mips/x-sni-svr4, config/mips/x-sysv,
6443 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6444 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6445 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6446 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6447 config/pa/xm-papro.h, config/romp/xm-romp.h,
6448 config/rs6000/x-aix31, config/rs6000/x-aix41,
6449 config/rs6000/x-beos, config/rs6000/x-lynx,
6450 config/rs6000/x-mach, config/rs6000/x-rs6000,
6451 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6452 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6453 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6454 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6455 config/vax/xm-vms.h: Eradicate all references to alloca and
6458 * config/xm-alloca.h, config/clipper/x-clix,
6459 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6460 config/i860/x-sysv3, config/m88k/x-sysv3,
6461 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6462 (contained only alloca related hacks).
6464 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6467 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6469 * invoke.texi: Document __FAST_MATH__.
6471 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6473 * crtstuff.c: Restore include of auto-host.h.
6475 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6477 Put main() in a separate file, so that the language
6478 front-end can use a different main().
6481 * toplev.c: (main): Rename as toplev_main.
6482 * toplev.h: Declare toplev_main.
6483 * Makefile.in (OBJS): add toplev.o.
6484 (BACKEND): remove toplev.o, add main.o.
6486 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6488 * cppfiles.c (search_from): Special case the empty string.
6490 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6492 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6493 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6494 strlen or strcpy; we already know the length.
6495 (_cpp_compare_file_date): Similarly.
6496 * cpphash.h (struct cpp_reader): Delete done_initialising.
6497 (CPP_PREV_BUFFER): Delete.
6498 * cppinit.c (cpp_start_read): Don't set done_initialising.
6499 * cpplex.c (parse_string): Guarantee null-termination.
6500 (_cpp_equiv_toklists): Remove.
6501 * cpplib.c (glue_header_name): Null-terminate.
6502 (do_line): Don't leak memory.
6503 * cpplib.h (BT_WEAK): Delete.
6504 * cppmain.c (cb_ident): Strings are now null-terminated.
6506 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6508 * gcc.c (convert_filename): Append executable suffix
6509 if NO_AUTO_EXE_SUFFIX is not defined.
6510 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6511 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6513 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6515 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6516 * c-parse.gperf, c-gperf.h: Delete.
6517 (c-gperf.h was accidently re-added to the CVS repo in the rev
6518 1.16 commit by tromey)
6520 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6522 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6523 macro arguments when looking for the '('.
6524 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6525 2 when really parsing arguments; 1 when looking for '('.
6526 Always restore the lexer position.
6528 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6530 * longlong.h (umul_ppmm): Don't use a multiline string.
6532 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6534 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6535 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6536 t_bool in declaration because pcc can't combine volatile with typedef
6539 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6541 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6542 until when it is really needed.
6543 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6544 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6545 * i386.md (float?i?f splitter): Don't force source operand to memory
6547 (sse_movdfcc): Fix constraint.
6548 (sse_movdfcc splitter): Handle properly the second alternative.
6550 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6552 * cpplex.c (parse_string): Unconditionally pedwarn.
6554 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6557 * cppexp.c (parse_number): Update.
6558 * cpplex.c (parse_string): Pedwarn if multiline string does not
6559 result from a system header's macro.
6560 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6561 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6562 for function-like macros too.
6563 * c-lex.c (lex_number): Update.
6565 2001-03-03 Richard Henderson <rth@redhat.com>
6567 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6569 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6571 * combine.c (try_combine): If split with mode-changed scratch
6572 register didn't work, try the original mode.
6574 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6576 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6577 * config/c4x/c4x.h: Likewise.
6578 * stor-layout.c (compute_record_mode): Likewise.
6579 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6581 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6583 * configure.in: Kill tm.h. Include the files in the $tm_file
6584 list in all three of config.h, hconfig.h, tconfig.h, after the
6585 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6586 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6587 * configure: Regenerate.
6588 * Makefile.in (clean): Don't delete tm.h.
6590 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6591 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6592 those are not defined, set SEC and FEC to 0 and 1.
6593 * gcc.texi: Update to match.
6595 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6596 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6597 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6598 Include tconfig.h, not tm.h.
6600 * config/xm-lynx.h, config/xm-std32.h,
6601 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6602 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6603 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6604 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6605 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6606 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6607 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6608 config/i386/xm-i386.h, config/i860/xm-i860.h,
6609 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6610 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6611 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6612 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6613 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6614 config/pa/xm-linux.h, config/pa/xm-pa.h,
6615 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6616 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6617 config/pj/xm-pj.h, config/romp/xm-romp.h,
6618 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6619 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6620 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6621 config/v850/xm-v850.h, config/vax/xm-vax.h,
6622 config/we32k/xm-we32k.h:
6624 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6626 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6627 config/i370/xm-oe.h: Don't include tm.h. Don't define
6629 * config/vax/xm-vms.h: Don't include tm.h.
6631 * config/xm-lynx.h, config/avr/xm-avr.h,
6632 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6633 Delete; made empty by above changes.
6634 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6635 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6636 Don't include config/xm-lynx.h or tm.h.
6638 * config/xm-gnu.h: Don't include fcntl.h.
6639 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6641 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6643 2001-03-02 Richard Henderson <rth@redhat.com>
6645 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6646 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6648 2001-03-02 Richard Henderson <rth@redhat.com>
6650 * Makefile.in (OBJS): Add dwarf2asm.o.
6651 * dwarf2asm.c, dwarf2asm.h: New files.
6652 * dwarf2out.c (*): Use them.
6653 (size_of_uleb128, size_of_sleb128): Remove.
6654 (output_uleb128, output_sleb128): Remove.
6655 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6656 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6657 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6658 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6659 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6660 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6661 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6662 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6663 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6664 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6665 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6666 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6667 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6668 (dwarf2out_frame_debug): Remove unused variables.
6669 (output_loc_operands): Don't abort on 8 byte constants if
6670 host integers are wide enough.
6671 (output_symbolic_ref): Remove.
6672 (size_of_die): Don't assume 4 byte host integers.
6673 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6675 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6676 something stupid with HOST_WIDE_INT to long truncation.
6677 [CONST_DOUBLE]: Likewise.
6679 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6680 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6681 * config/arm/unknown-elf.h: Likewise.
6682 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6683 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6684 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6685 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6686 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6687 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6688 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6689 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6690 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6691 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6692 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6693 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6695 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6697 * cselib.c (hash_rtx): Cast enums to unsigned int.
6699 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6701 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6702 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6704 * c-format.c (C_STD_VER): Cast to int for comparisons.
6705 (check_function_format): Cast various enums to int for &.
6706 (maybe_read_dollar_number): Likewise.
6707 (check_format_info): Likewise.
6708 (check_format_info_main): Likewise.
6709 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6710 (safe_from_p): Likewise.
6711 * varasm.c (const_hash): Cast enum to int for %.
6712 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6713 pcc enum problems with < and ++ operators.
6714 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6715 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6716 (regclass_init): Change enum class to int to iterate over reg_classes.
6717 * genrecog.c (merge_trees): Cast enums for comparison.
6718 * rtl.h (GET_CODE): Cast to enum rtx_code.
6719 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6720 (GET_MODE): Cast to enum machine_mode.
6721 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6722 (GET_NOTE_INSN_NAME): Cast enum to int.
6723 * tree.h (TREE_CODE): Cast to enum tree_code.
6724 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6725 * timevar.c (timevar_print): Change loop variable id from enum to
6727 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6728 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6729 * toplev.c (compile_file): Cast enum DFI to int.
6730 (decode_d_option): Likewise.
6732 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6734 * cppinit.c (append_include_chain): Mark "after" include file name list
6735 as a system directory.
6736 * cpp.texi: Document new behavior.
6738 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6740 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6742 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6744 * cppfiles.c (struct include_file): Update.
6745 (stack_include_file): Use search_from.
6746 (cpp_included, find_include_file): Update.
6747 (cpp_execute_include): Update. ptr->name may not be
6748 null terminated. Use the new search_from member variable
6750 (_cpp_compare_file_date): Similarly.
6751 (search_from): New function, similiar to actual_directory.
6752 (actual_directory): Delete.
6753 (remap_filename): Update. loc->name may not be null terminated.
6754 (struct file_name_list): Rename search_path. Update.
6755 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6756 search_from and dir.
6757 (struct cpp_reader): Remove actual_dirs.
6758 * cppinit.c (struct cpp_pending): Update for renamed objects.
6759 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6760 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6761 * cpplib.h (struct cpp_options): Similarly.
6763 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6765 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6766 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6767 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6768 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6769 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6770 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6771 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6772 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6773 config/i370/xm-oe.h, config/i386/xm-aix.h,
6774 config/i386/xm-i386.h, config/i386/xm-osf.h,
6775 config/i860/xm-i860.h, config/i960/xm-i960.h,
6776 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6777 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6778 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6779 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6780 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6781 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6782 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6783 config/pj/xm-pj.h, config/romp/xm-romp.h,
6784 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6785 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6786 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6787 config/v850/xm-v850.h, config/vax/xm-vax.h,
6788 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6789 Do not define TRUE or FALSE.
6791 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6792 empty by above change.
6793 * config.gcc: Remove references to these files.
6795 * configure.in: Detect stdbool.h.
6796 * configure, config.in: Regenerate.
6797 * system.h: Include stddef.h here if available.
6798 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6799 Then set up a sensible boolean type at the very end.
6801 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6802 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6804 * hash.h: Delete 'boolean' typedef and related #undefs.
6806 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6807 all uses of 'boolean' with 'bool'.
6809 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6811 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6812 * cppexp.c (lex): Cast enums for comparison.
6813 * cppinit.c (parse_option): Cast enum for comparison.
6814 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6815 (cpp_output_token): Likewise.
6816 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6817 (cpp_avoid_paste): Cast enums for minus and comparison.
6819 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6821 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6822 field to all array elements.
6824 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6826 * cpphash.h (struct cpp_reader): Add print_version field.
6827 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6828 just set print_version and other flags as appropriate.
6829 (cpp_post_options): Print version here if print_version is set.
6831 * toplev.c (exit_after_options): New flag.
6832 (independent_decode_option): Don't exit here; just set
6834 (main): Exit after calling lang_hooks.post_options if
6835 exit_after_options is true.
6837 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6838 (merge_include_chains): Adjust comment to match code.
6840 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6842 * stringpool.c (set_identifier): New function.
6843 * tree.h: Prototype it.
6845 * c-parse.in: Kill D_YES. If compiled for objc, call
6846 save_and_forget_protocol_qualifiers from init_reswords.
6847 * objc/objc-act.c (remember_protocol_qualifiers,
6848 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6849 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6851 (save_and_forget_protocol_qualifiers): New function.
6852 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6854 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6856 * c-semantics.c (prune_unused_decls): Return error_mark_node
6857 instead of (tree) 1 to stop traversing the tree chain.
6859 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6861 Fix a problem introduced by Kenner's Feb 18 change.
6862 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6863 flag_cse_skip_blocks only temporarily, not for ever.
6865 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6867 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6868 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6870 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6871 before determining its register class.
6873 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6875 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6876 from reg 4 if current_function_calls_setjmp.
6877 (gen_nop_type): New function.
6878 (ia64_emit_nops): New function.
6879 (ia64_reorg): Call it.
6880 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6882 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6883 code not to try to optimize adds with anything but a REG destination.
6885 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6886 (INSN_PRIORITY_KNOWN): New accessor macro.
6887 * haifa-sched.c (priority): Use it instead of testing priority against
6890 2001-02-28 DJ Delorie <dj@redhat.com>
6892 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6893 since that doesn't work the way gcc wants on a generic m68k.
6895 2001-02-28 Richard Henderson <rth@redhat.com>
6897 * caller-save.c (save_call_clobbered_regs): Fix typo in
6898 comparison last change.
6900 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6902 * i386.c (pentium4_cost): New.
6903 (m_PENT4): New macro.
6904 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6905 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6906 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6907 x86_memory_mismatch_stall): Add Pentium4
6908 (x86_use_q_reg, x86_use_any_reg): Kill.
6909 (override_options): Add pentium4.
6910 (incdec_operand): Return 0 for pentium4.
6911 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6912 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6913 (TARGET_PENTIUM4): Define.
6914 (enum processor_type): Add PROCESSOR_PENTIUM4.
6915 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6916 * i386.md (attribute "cpu"): Add pentium4.
6917 * invoke.texi (march): Add pentium4.
6919 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6921 * i386.md (sse_mov?fcc*): New patterns and splitters.
6922 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6923 the SSE based conditional moves.
6925 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6927 * i386.md (attribute mode): Add "TI".
6928 (movsf_1): Add pxor support; remove constant propagation splitter.
6929 (movdf_integer): Likewise.
6930 (movdf_nointeger): Likewise.
6931 (movxf constant prop splitter): Handle all modes; update for SSE.
6932 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6933 * i386.c (standard_80387_constant_p): Rewrite.
6934 (standard_sse_constant_p): New.
6935 * i386-protos.h (standard_sse_constant_p): New.
6937 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6939 * i386.md (sse_setccsf, sse_setccdf): New.
6940 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6942 * i386.c (sse_comparison_operator): Accept the supported unordered
6943 comparses; be ready for fast_math.
6944 (print_operand): Support 'D'.
6946 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6948 * jump.c (reversed_comparison_code): Kill.
6950 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6952 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6955 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6957 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6958 add missing '%' in constraints.
6960 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6962 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6963 for HOST_BITS_PER_WIDE_INT == 32 too.
6965 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6967 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6969 (insert_save, insert_restore): New parameter save_mode.
6970 (init_caller_save): Update initialization of reg_save_code
6971 and reg_restore_code.
6972 (save_call_clobbered_regs): Compute save_modes and update calls to
6973 reg_save_code and reg_restore_code.
6974 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6975 of spill; update use of reg_restore_code.
6976 (insert_save): Likewise.
6977 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6978 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6979 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6981 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6983 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6984 noce_try_store_flag_inc, noce_try_store_flag_mask,
6985 noce_try_cmove_arith):
6986 Use reversed_comparison_code instead of reverse_comparison and
6987 can_reverse_comparison_p.
6989 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6991 * jump.c (reversed_comparison_code_parts): Allow reversal of
6992 unordered compares in -ffast-math mode; reverse ordered compares
6993 for FP even w/o -ffast-math.
6995 2001-02-27 Richard Henderson <rth@redhat.com>
6997 * print-rtl.c (print_rtx) [i]: Don't print field five on
6998 NOTEs other than NOTE_INSN_DELETED_LABEL.
7000 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7002 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7003 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7005 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7007 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7008 even if walk_subtrees is 0.
7009 * c-semantics.c (prune_unused_decls): Return a non-null value to
7010 stop traversing the tree chain.
7012 2001-02-27 DJ Delorie <dj@redhat.com>
7014 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7015 register, *then* define it as the new CFA.
7017 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7019 * pa.c (override_options): Promote -fpic to -fPIC.
7020 (legitimize_pic_address): Simplify due to removal of
7021 small PIC as a code generation option.
7022 (secondary_reload_class): Similarly.
7023 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7024 (PRINT_OPERAND_ADDRESS): Similarly.
7025 * pa.md (various patterns): Similarly.
7026 (small pic lo_sum pattern): Remove.
7028 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7031 * md.texi (min, max): Document
7033 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7035 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7036 TARGET_PARTIAL_REG_DEPENDENCY.
7037 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7039 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7041 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7043 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7045 * mips.c (mips_make_temp_file): Fix thinko in last change.
7047 2001-02-26 Jason Eckhardt <jle@redhat.com>
7049 * combine.c (known_cond): Do not reverse the condition when
7050 SMAX/UMAX is being considered and the condition is for equality
7053 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7055 2001-02-26 Philip Blundell <philb@gnu.org>
7057 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7059 * config/arm/linux-elf.h: Remove historical relics related to
7060 above configurations.
7061 * config/arm/linux-oldld.h: Delete.
7062 * config/arm/linux-elf26.h: Delete.
7064 2001-02-26 Jason Merrill <jason@redhat.com>
7066 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7068 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7069 recognize a tentative definition. Lose obsolete code.
7071 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7072 variables unless necessary, either.
7074 2001-02-25 Richard Henderson <rth@redhat.com>
7076 * ifcvt.c (struct noce_if_info): Add test_bb.
7077 (noce_get_alt_condition): New.
7078 (noce_try_minmax, noce_try_abs): New.
7079 (noce_operand_ok): New.
7080 (noce_process_if_block): Use them.
7081 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7083 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7085 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7088 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7090 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7091 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7093 (mips_asm_file_end): Free temp_filename here.
7095 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7097 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7098 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7100 * config/i386/i386.md (movstrsi): Handle FAIL case.
7102 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7104 * cppinit.c (builtin_array): Update.
7105 (init_builtins): Flag builtins to warn if redefined or
7106 undefined. Define __GXX_WEAK as a normal macro.
7107 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7108 * cpplib.h (NODE_WARN): New flag.
7109 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7110 Handle __STDC__ as a builtin only on Solaris.
7111 (warn_of_redefinition): Renamed from check_macro_definition.
7112 Reverse sense of test. Always warn if NODE_WARN.
7113 (_cpp_create_definition): Use warn_of_redefinition. Flag
7114 any macro beginning with "__STDC_" to require a mandatory
7115 warning if redefined or undefined.
7117 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7119 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7120 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7121 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7122 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7123 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7124 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7125 Don't define any of:
7126 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7127 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7128 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7129 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7130 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7132 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7133 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7136 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7137 Delete now-empty file.
7139 * alpha/vms.h: Define NEED_ATEXIT here...
7140 * alpha/xm-vms.h: ...not here.
7142 * i386/cygwin.h: Don't define PARAMS.
7143 * mips/mips.c: Don't prototype mktemp. Don't define
7144 P_tmpdir. Use make_temp_file to create temporary files.
7145 Don't be clever and delete temporary files early.
7146 * config.gcc: Drop references to deleted files. Don't define
7148 * gcc.texi: Don't mention USE_PROTOTYPES.
7150 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7152 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7153 (ix86_set_move_mem_attrs_1): Likewise.
7154 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7155 * config/i386/i386.md (movstrsi): Call it.
7157 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7159 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7160 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7161 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7162 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7164 (i750a-*-*): Error here if hosting on i750a.
7165 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7167 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7168 Remove (empty modulo comments).
7170 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7171 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7172 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7173 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7174 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7175 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7177 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7178 Remove reference to winnt.h in comment.
7179 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7181 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7183 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7184 used to set another biv.
7186 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7188 * tree.h (BLOCK_DEAD): New macro.
7189 (struct tree_block): New flag, dead_flag.
7190 * print-tree.c (print_node, case 'b'): Print missing fields.
7191 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7192 * function.c (identify_blocks): Enable test for misplaced notes.
7193 (all_blocks): Skip BLOCK_DEAD blocks.
7194 * integrate.c (integrate_decl_tree): Likewise.
7196 * errors.c (internal_error, trim_filename): New functions.
7197 (fancy_abort): Call internal_error.
7198 * errors.h (internal_error, trim_filename): New declarations.
7200 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7202 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7204 (EXTRA_CONSTRAINT): Formatting changes.
7206 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7208 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7210 2001-02-23 Per Bothner <per@bothner.com>
7212 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7213 so they can be called from java/jvspec.c.
7214 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7216 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7218 * i386.c (ix86_frame): New structure.
7219 (ix86_compute_frame_size): Kill.
7220 (ix86_compute_frame_layout): New.
7221 (ix86_save_reg): New.
7222 (ix86_can_use_return_insn_p): Use frame layout stuff.
7223 (ix86_expand_prologue): Likewise.
7224 (ix86_expand_epilogue): Likewise.
7225 (ix86_initial_elimination_offset): Likewise.
7226 (ix86_nsaved_regs): Use ix86_save_reg.
7227 (ix86_emit_save_regs): Likewise.
7229 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7231 * flow.c (find_sub_basic_blocks): New function.
7232 (split_block): Be ready for basic block introduced by CODE_LABEL.
7233 (commit_one_edge_insertion): Call find_sub_basic_block.
7235 * flow.c (make_edges): Add edge from entry for blocks starting with
7236 label having ALTERNATE_NAME
7238 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7240 * function.c (epilogue_done): Be ready for first basic block not
7241 containing PROLOGUE_END note.
7242 (reposition_prologue_and_epilogue_notes): Avoid placing
7243 PROLOGUE_END note between BASIC_BLOCK.
7245 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7247 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7249 2001-02-21 DJ Delorie <dj@redhat.com>
7251 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7252 check for current_function_has_nonlocal_goto from 1999-11-12.
7254 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256 * diagnostic.c (trim_filename): No longer static.
7257 * toplev.h (trim_filename): Declare.
7258 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7259 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7260 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7261 (rtvec_check_failed_bounds): Likewise.
7262 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7264 * convert.c (convert_to_integer): Don't do unsigned unless result or
7265 both inputs are unsigned.
7267 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7270 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7272 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7274 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7276 * Makefile.in (resource.o): Add params.h dependence.
7277 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7278 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7279 * resource.c: Add dependence on params.h.
7280 (current_live_regs): Fix explanatory comment.
7281 (find_basic_block): Add new parameter to permit limiting search
7283 (mark_target_live_regs): Add new argument to find_basic_block call.
7284 (incr_ticks_for_insn): Likewise.
7286 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7288 * diagnostic.c (output_to_stream): Rename to
7289 output_buffer_to_stream. Loses the stream parameter.
7290 (init_output_buffer): Set diagnosic_buffer's stream.
7291 (flush_diagnostic_buffer): Adjust.
7292 (default_print_error_function): Likewise.
7293 (finish_diagnostic): Likewise.
7294 (verbatim): Likewise.
7296 * diagnostic.h (struct output_buffer): Add `stream' field.
7297 (output_buffer_attached_stream): New macro.
7299 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7301 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7302 check if either operand is divisible by C.
7303 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7304 If type is signed, consider negative numbers as well.
7306 2001-02-22 Richard Henderson <rth@redhat.com>
7308 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7309 reach .text instead of gp-relative relocs.
7310 * config/ia64/crtend.asm (.init): Likewise.
7312 2001-02-22 Andreas Jaeger <aj@suse.de>
7314 * extend.texi (C++ Attributes): Fix typo.
7316 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7318 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7319 functions, drop current_function_args_info.words test.
7320 (ia64_compute_frame_size): Mark syscall_linkage functions as
7321 using eight input registers.
7323 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7324 Bruce Korb <bkorb@gnu.org>
7326 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7327 * fixinc/README: Document how to convert sed substitutions
7328 to format style c_fix-es.
7329 * fixinc/fixincl.x: regen
7331 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7333 * gcc.c: Add comment explaining how to add a command-line option.
7334 Add title to specs language comment.
7336 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7338 * gcc.c (cc1_options): Add "-param".
7339 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7340 (option_map): Likewise.
7341 * toplev.c (display_help): Add entry for "--param".
7342 (independent_decode_option): Fix typographical error.
7344 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7345 Bernd Schmidt <bernds@redhat.com>
7346 Jan Hubicka <jh@suse.cz>
7348 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7349 (function_arg): Likewise.
7351 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7353 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7355 2001-02-21 Kazu Hirata <kazu@hxi.com>
7357 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7361 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7363 * flow.c (init_propagate_block_info): Canon address and use single_set
7364 for killing dead memory stores.
7366 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7368 * Makefile.in (reorg.o): Add params.h dependence.
7369 * params.def: Fix typographical error in comment.
7370 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7371 * params.h: Modify introductory comment.
7372 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7373 * reorg.c: Add dependence on params.h.
7374 (redundant_insn): Add parameterized throttle for search.
7375 (fill_simple_delay_slots): Add a comment explaining a variable.
7376 Move conditional out of loop, simplifying code.
7377 (fill_eager_delay_slots): Fix typographical error in comment.
7379 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7381 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7383 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7384 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7386 2001-02-21 Jason Merrill <jason@redhat.com>
7388 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7389 (struct tree_decl): Add uninlinable bitfield.
7390 * c-decl.c (duplicate_decls): Set it.
7391 * integrate.c (function_cannot_inline_p): Check it.
7393 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7394 DW_AT_MIPS_linkage_name to abstract methods.
7395 (dwarf2out_abstract_function): Emit class context before calling
7396 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7397 (gen_subprogram_die): Remove obsolete code.
7398 (gen_member_die): Don't include clones in the member list.
7399 (gen_decl_die): Emit abstract info for clone origin.
7400 * dwarfout.c (output_type): Don't include clones in the member list.
7401 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7402 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7403 DECL_ABSTRACT on a function that already has it set.
7405 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7406 (get_subprogram_die): Pass it in.
7408 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7410 * flow.c (mark_set_1): Make not_dead unsigned long. For
7411 non-pseudos, use it as a bitmask of the hard regs that
7414 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7416 * cppfiles.c: Update comments.
7417 (_cpp_read_file): Don't check for NULL filenames any more.
7418 * cppinit.c (cpp_start_read): Don't do canonicalization of
7419 in_fname and out_fname. Use the passed file name exclusively.
7420 (_cpp_handle_options): Don't treat "-" as a command line option,
7421 but as a normal filename.
7422 (_cpp_post_options): Canonicalize in_fname and out_fname.
7423 * cppmain.c (printer_init): Don't check out_fname for NULL.
7424 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7425 (init_c_lex): Update, and use "" to represent stdin to CPP.
7428 2001-02-20 Will Cohen <wcohen@redhat.com>
7430 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7431 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7432 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7435 2001-02-20 Stan Shebs <shebs@apple.com>
7437 * config/rs6000/rs6000.c (output_cbranch): Output branches
7438 on separate lines instead of using ';' to separate.
7440 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7442 * cppinit.c (set_lang): Move builtin handling to...
7443 (init_builtins): ...here.
7444 (_cpp_create_reader): Move call to set_lang.
7446 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7448 * stmt.c (expand_return): If an attempt is made to return the
7449 error_mar_node, treat the return like a return without a value.
7451 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7453 * sibcall.c (skip_copy_to_return_value): Call
7454 identify_call_return_value here, and return orig_insn if it
7455 returns zero. Hardret and softret arguments now unnecessary.
7456 (call_ends_block_p): Don't call identify_call_return_value here.
7458 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7460 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7461 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7463 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7465 * pa.c (move_operand): Accept code to load the address of a
7466 symbol out of the DLT as a valid move operand.
7467 (print_operand, case 'A'): New to handle generating a DLT
7468 reference for a LO_SUM expression.
7469 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7470 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7472 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7474 * README, cpp.texi, gcc.texi, version.c: Update version number to
7476 * cpp.1, gcov.1, gcc.1: Regenerate.
7478 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7480 * cppfiles.c (stack_include_file): Generate dependencies
7481 here, and manage include_count here too.
7482 (PRINT_THIS_DEP): Delete.
7483 (_cpp_execute_include): Do not generate dependencies here,
7484 apart from the case of a missing header. Do not manage
7486 (_cpp_read_file): Leave dependency generation to
7489 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7491 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7492 target_cpu_default. Remove dead assignment to
7495 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7497 * regclass.c (contains_reg_of_mode): Make global.
7498 (init_reg_sets): Remove contains_reg_of_mode; take into account
7499 CLASS_MAX_NREGS when looking for the proper mode.
7500 (dump_regclass): Dump only classes considered for the pseudo.
7501 (regclass): Use contains_reg_of_mode.
7503 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7505 * gcc.c (do_spec_1): 'n' for printing notices.
7506 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7508 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7510 * reg-stack.c (next_flags_user): Use current_block->end
7511 (swap_rtx_condition): Look for next user if flags don't die;
7512 give up on CALL_INSNs; use current_block->end.
7514 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7516 * sibcall.c (call_ends_block_p): New function.
7517 (optimize_sibling_and_tail_recursive_call): Use it.
7519 2001-02-18 Kazu Hirata <kazu@hxi.com>
7521 * config/h8300/h8300.md: Update copyright.
7522 (andsi3): Do not output an extra newline character.
7524 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7526 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7527 FNDECL may be unused.
7529 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7530 follow jumps after first run.
7531 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7532 it doesn't change any jumps.
7534 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7536 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7537 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7538 (mostlyclean): Corresponding changes.
7539 * rtlanal.c (hard-reg-set.h): Include.
7540 (rtx_unstable_p): Do not treat the argument pointer specially
7541 if it is not a fixed register.
7542 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7544 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7546 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7547 against last real insn in basic block.
7548 Rework to avoid gotos.
7550 * Makefile.in (gcse.o): Now includes ggc.h.
7551 * gcse.c: Include ggc.h.
7552 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7553 (try_replace_reg): Remove warning of uninitialize variable.
7554 (process_insert_insn): Call invalid_insn_p to validate insn.
7555 * recog.c (insn_invalid_p): Now global.
7556 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7557 * recog.h (insn_invalid_p): New declaration.
7559 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7561 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7562 assignments from FP constants since 'Y' output code can't handle it.
7563 (eligible_for_sibcall_delay): Likewise.
7565 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7566 Call fancy_abort directly, passing args.
7567 (print_rtl_and_abort): Now a macro, like fancy_abort.
7569 * final.c (output_operand_lossage): Use internal_error, not error.
7571 2001-02-18 Shane Nay <shane@agendacomputing.com>
7573 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7574 structure shift insns.
7576 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7578 * invoke.texi (-fsquangle): Remove documentation.
7579 (-fname-mangling-version): Likewise.
7581 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7583 * optabs.c (expand_abs): Remove reference to
7584 HAVE_contitional_arithmetic.
7585 * combine.c (simplify_set): Likewise.
7587 2001-02-18 Richard Henderson <rth@redhat.com>
7589 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7592 2001-02-18 Richard Henderson <rth@redhat.com>
7594 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7596 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7598 * reload1.c (reload_cse_simplify_set): Fix typo.
7600 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7602 * diagnostic.c (_fatal_insn): Decrement errorcount.
7604 * invoke.texi (-I): Add note avoiding use for system header files.
7606 * rtl.h (add_clobbers): Remove duplicate declaration.
7607 * recog.h (added_clobbers_hard_reg_p): New declaration.
7608 * genemit.c (struct clobber_pat): New field has_hard_reg.
7609 (gen_insn): Record if added clobbers clobber hard reg.
7610 (gen_split): Avoid unused warning if number of operands is 0.
7611 (output_added_clobbers_hard_reg_p): New function.
7614 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7616 * pa.c (hppa_expand_prologue): Simplify code storing return
7617 pointer. For large (>=8k) frames with a post_store, adjust stack
7618 pointer by 8k-64 first rather than by 64. When testing with
7619 VAL_14_BITS_P, always use the actual value rather than the value
7620 negated. Add blockage to prevent scheduling of spills before
7621 stack frame has been created.
7622 (hppa_expand_epilogue): Simplify code loading return pointer.
7623 Allow a slightly larger range for merge_sp_adjust_with_load case.
7624 When testing with VAL_14_BITS_P, always use the actual value.
7626 * pa.c (pa_adjust_insn_length): Check that block move
7627 pattern is a set before looking at operands.
7629 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7631 * fold-const.c (fold_binary_op_with_conditional_arg): New
7632 function, split out from ...
7634 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7635 conditional arms that throw exceptions.
7637 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7640 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7642 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7643 define HAVE_DECL_* to 1 to mask potential backup declarations.
7644 * configure: Regenerated.
7646 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7648 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7650 2001-02-17 Richard Henderson <rth@redhat.com>
7652 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7653 when replacing a memory load with a register.
7655 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7656 Jan Hubicka <jh@suse.cz>
7658 * recog.c (validate_replace_src_1): New.
7659 (validate_replace_src_data): Likewise.
7660 (validate_replace_src): Use note_uses.
7661 * rtl.h (note_uses): Declare.
7662 * rtlanal.c (note_uses): New.
7664 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7666 * reg-stack.c (stack_def): Make field reg unsigned.
7667 (remove_regno_note): Unsignetize parameter.
7669 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7671 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7672 shladd_operand() call.
7674 2001-02-16 Bruce Korb <bkorb@gnu.org>
7675 Rodney Brown <RodneyBrown@mynd.com>
7677 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7678 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7679 machine restrictions
7680 * fixinc/fixincl.x: regen
7682 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7684 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7686 (hash_scan_insn): Clean up calls to hash_scan_set.
7687 (compute_kill_rd): REGNO now unsigned.
7688 (try_replace_reg): Rework to use simplify_replace_rtx.
7689 (cprop_jump, cprop_cc0_jump): Likewise.
7690 (cprop_insn): Call find_reg_equal_equiv_note.
7691 Reflect changes to cprop_jump and cprop_cc0_jump.
7693 * recog.c (validate_replace_src): Replace in operands of
7694 ZERO_EXTRACT in SET_DEST.
7696 * cse.c (new_label_ref): New variable.
7697 (insert): Set it instead of recorded_label_ref.
7698 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7699 CODE_LABEL for this function, and not already in REG_LABEL note.
7701 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7703 * resource.c (mark_referenced_resources): Fix typo in introductory
7705 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7708 2001-02-16 Jason Merrill <jason@redhat.com>
7710 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7712 (gen_subprogram_die): Don't abort on seeing a second definition if
7713 the previous one was abstract. Don't replace an abstract instance
7714 in the lookup table.
7716 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7717 gen_abstract_function.
7718 * dwarf2out.h: Declare it.
7719 * toplev.c (note_outlining_of_inline_function): New fn.
7720 * toplev.h: Declare it.
7721 * integrate.c (output_inline_function): Call it.
7722 * c-decl.c (duplicate_decls): Call it when redefining an extern
7723 inline. Don't inline the new defn.
7725 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7727 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7729 * .gdbinit: Rename to gdbinit.in.
7730 * gdbinit.in: New file,
7731 * configure.in: Generate .gdbinit from gdbinit.in.
7732 * configure: Regenerated.
7733 * Makefile.in (distclean): Always remove .gdbinit.
7735 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7737 * objc/objc-act.c (start_class): Register implemented_classes with
7740 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7742 * cppfiles.c (_cpp_make_system_header): Generate a file
7745 2001-02-15 Jim Meyering <meyering@lucent.com>
7747 * Makefile.in (install-common): Don't depend on installdirs here.
7748 Instead, make each of the lang.install-common targets (e.g.,
7749 c++.install-common in cp/Make-lang.in) depend on it.
7750 (install-driver): Depend on installdirs.
7752 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7756 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7759 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7761 * invoke.texi (--param): Document.
7763 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7765 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7767 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7769 * i386.md (extendsfdf2_2): Fix constraints.
7771 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7773 * i386.md (fop_df_3 splitter): Fix operand number.
7775 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7777 * invoke.texi (-mreg-alloc): Nuke.
7778 * i386.c (ix86_reg_alloc_order, regs_allocated,
7779 order_regs_for_local_alloc): Nuke.
7780 (override_options): Kill reg_alloc code.
7781 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7782 (REG_ALLOC_ORDER): SSE goes before I387.
7783 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7784 (ix86_reg_alloc_order): Likewise.
7785 * i386-protos.h (ix86_reg_alloc_order): Kill.
7787 2001-02-14 Richard Henderson <rth@redhat.com>
7789 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7791 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7793 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7795 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7797 * i386-protos.h (ix86_memory_move_cost): Move offline.
7798 * i386.c (ix86_register_move_cost): Compute properly cost of
7799 SSE, MMX and i387 instructions.
7800 (*_cost): Add costs of SSE/MMX moves.
7801 (ix86_memory_move_cost): Move offline from ....; Likewise.
7802 * i386.h (MEMORY_MOVE_COST): .... here;
7803 (struct processor costs): Add new fields to represent costs
7806 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7808 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7809 move_cost together with Matt Kraai's fix.
7811 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7813 * Makefile.in (OBJS): Add params.o.
7815 2001-02-14 Richard Henderson <rth@redhat.com>
7816 DJ Delorie <dj@redhat.com>
7818 * jump.c (jump_optimize_1): When we delete a conditional jump
7819 preceeding a non-conditional jump to effectively the same place,
7820 make sure that the combined jump skips any clobber insns between
7823 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7825 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7827 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7829 * Makefile.in (toplev.o): Depend on params.h.
7830 (intergate.o): Likewise.
7831 (params.o): New target.
7832 * flags.h (inline_max_insns): Remove.
7833 * integrate.c: Include params.h.
7834 Use MAX_INLINE_INSNS instead of inline_max_insns.
7835 * params.c: New file.
7836 * params.h: Likewise.
7837 * params.def: Likewise.
7838 * toplev.c: Include params.h.
7839 (lang_independent_params): New variable.
7840 (decode_f_option): Use the param machinery instead of setting
7842 (independent_decode_option): Handle "--param name=value".
7843 (main): Register language-independent parameters.
7845 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7847 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7849 2001-02-14 Richard Henderson <rth@redhat.com>
7851 * regclass.c (init_reg_sets_1): Revert last two changes.
7853 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7855 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7856 (variable_size): Call put_pending_size.
7857 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7858 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7859 sizes list, put newly created SAVE_EXPR there as well.
7861 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7863 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7864 (errata_find_address_regs): load_group has only 2 entries.
7865 (errata_emit_nops): Likewise. shladd is not problematic.
7866 Clear last_group if nop was emitted.
7867 (fixup_errata): load_group has only 2 entries.
7870 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7872 * c-lex.c (lex_number): Only warn traditionally for U suffix
7873 outside system macros.
7874 * cppexp.c (parse_number): Similarly.
7875 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7876 * cppmacro.c (struct cpp_macro): New member node.
7877 (parse_args): Only warn about missing rest args if not
7879 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7880 (cpp_sys_objmacro_p): New.
7881 (_cpp_create_definition): Store the node with the macro defn.
7882 Remember if the macro is defined in a system header.
7884 2001-02-13 DJ Delorie <dj@redhat.com>
7886 * configure.in (check_languages): determine languages to check
7887 * Makefile.in (check-c++): alias for check-g++
7888 (check-f77): alias for check-g77
7889 (CHECK_TARGETS): depend on configured languages
7891 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7893 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7894 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7895 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7896 (sqrtextendsfdf2): Disable for SSE2.
7898 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7900 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7901 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7902 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7903 (sqrtextendsfdf2): Disable for SSE2.
7905 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7907 * i386.md (movsfcc_1): Support integer cmove instruction.
7908 (movdfcc_1): Likewise; new splitter.
7910 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7912 * i386.c (output_fp_compare): Support SSE.
7913 (prepare_fp_compare_args): SSE comparisons always support memory.
7914 * i386.h (TARGET_CMOVE): SSE imply cmove.
7915 * i386.md (cmp?f2): Enable for SSE too.
7916 (cmpfp_i*): Support SSE.
7918 (cmpfp_i_sse_only): New.
7919 (s*, b* fp expanters): Enable for SSE too.
7920 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7923 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7925 * regclass.c (init_reg_sets_1): Silence warning.
7927 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7929 * i386.md (sqrt?f2): Change to expander.
7930 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7932 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7934 * rtlanal.c (find_reg_equal_equiv_note): New function.
7935 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7936 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7937 * rtl.h: Add declarations for above functions.
7939 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7941 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7943 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7944 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7945 * flow.c (mark_regs_live_at_end): Likewise.
7946 (calculate_global_regs_live): Likewise.
7947 * gcse.c (compute_hash_table): Likewise.
7948 (compute_kill_rd): Likewise.
7949 * resource.c (mark_target_live_regs): Likewise.
7950 * rtl.h (INVALID_REGNUM): New macro.
7952 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7954 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7956 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7958 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7961 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7963 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7965 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7966 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7967 (fop_sf_1_sse, fop_df_1_sse): New patterns
7968 (fop_*): Disable float_extend and float patterns for SSE compilation.
7969 * i386.c (output_387_binary_op): Support SSE.
7971 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7973 * i386.md (dummy_extendsfdf2): Support SSE2
7974 (extendsfdf2): Enable if 80387 or SSE2.
7975 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7976 and no MIX_I387_SSE2
7977 (extendsfdf2_1_sse_only): New pattern.
7978 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7980 (truncdfsf2_1): Support SSE.
7981 (truncdfsf2_2): Support SSE.
7982 (truncdfsf2_2_1_sse): New pattern.
7983 (fixtruncsfsi2): Always use SSE if available.
7984 (fix_truncsfsi_sse): New pattern.
7985 (fix_truncdfsi_sse): New pattern.
7986 (floatsis?f2): Support SSE.
7987 (floatsidf2_i387): New pattern.
7988 (floatsidf2_sse): Likewise.
7990 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7992 * configure.in: Use "have_gnat" variable, not "gnat".
7993 * configure: Regenerated.
7995 * config/sparc/sparc.c (function_value): Treat all non-record
7996 aggregate types like used to treat UNION_TYPE.
7998 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8000 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8001 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8003 (MASK_MIX_SSE_I387): New.
8004 (TARGET_SSE): SSE2 imply SSE.
8005 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8006 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8007 (enum reg_class): Add new classes.
8008 (REG_CLASS_NAMES): Likewise.
8009 (REG_CLASS_CONTENTS): Likewise.
8010 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8011 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8012 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8013 (CLASS_MAX_NREGS): Use new macros.
8014 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8015 * i386.md (pushsf, movsf): Support SSE.
8016 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8017 splitters to use ANY_FP_REGNO_P.
8018 (movdf_nointeger, movdf_integer): Likewise.
8020 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8022 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8023 (try_combine): Use it.
8025 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8027 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8028 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8029 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8030 (REGISTER_MOVE_COST): Likewise.
8031 * i386-protos.h (ix86_secondary_memory_needed,
8032 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8033 * i386.c (ix86_secondary_memory_needed,
8034 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8036 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8038 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8039 (HARD_REGNO_MODE_OK): Move offline to ....
8040 * i386.c (ix86_hard_regno_mode_ok) ... here;
8041 refuse all incorrect modes.
8042 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8044 2001-02-13 Richard Henderson <rth@redhat.com>
8046 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8047 entire operator; replicate that and match_dup the operands.
8048 (cmp_ccx_arith_op_set): Likewise.
8049 (cmp_cc_arith_op_not_set): Likewise.
8050 (cmp_ccx_arith_op_not_set): Likewise.
8052 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8054 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8056 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8058 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8059 (TARGET_NO_BITFIELD_WORD): New macro.
8060 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8061 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8063 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8065 * cselib.c: New file, from simplify-rtx.c.
8066 * simplify-rtx.c: Remove cselib parts.
8067 * Makefile.in: Add cselib.o.
8069 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8071 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8072 (setup_incoming_varargs): Remove warning.
8074 * config/rs6000/rs6000.c (validate_condition_mode): When
8075 flag_fast_math, allow floating-point conditionals to be reversed.
8076 (rs6000_generate_compare): When flag_fast_math, don't generate
8077 cror operations for FP conditionals.
8079 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8081 (ASM_SPEC): Likewise.
8082 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8083 (CC1_SPEC): Likewise.
8084 (LINK_TARGET_SPEC): Likewise.
8085 (CPP_ENDIAN_SPEC): Likewise.
8086 * Makefile.in (check-consistency): New target.
8088 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8090 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8091 "return type defaults" warning for functions with return type
8093 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8094 function declarations by default rather than only when pedantic.
8096 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8098 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8101 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8103 * extend.texi (Deprecated): Deprecate new initializer lists.
8105 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8107 * mkdeps.c (deps_add_default_target): Robustify. Add
8108 basename component only.
8109 * cpp.texi (-M): Describe how default target is generated.
8110 * invoke.texi (-M): Likewise.
8112 2001-02-12 Kazu Hirata <kazu@hxi.com>
8114 * toplev.c (push_float_handler): Remove.
8115 (pop_float_handler): Remove.
8116 * toplev.h: Remove prototypes for the above functions.
8118 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8120 * c-common.c (constant_fits_type_p): New function.
8121 (convert_and_check): Use it.
8123 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8125 * Makefile.in (GXX_ABI_FLAG): Don't define.
8126 * configure.in (--enable-new-gxx-abi): Remove option.
8127 * config.in: Regenerated.
8128 * configure: Likewise.
8130 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8132 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8134 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8135 regular basic block, and arrange for all edges into it to switch
8138 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8140 * Makefile.in (distclean): Do not remove .gdbinit.
8142 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8144 * Makefile.in (gcc.o): Fix typos.
8145 (protize.o): Likewise.
8146 (unprotoize.o): Likewise.
8148 2001-02-11 Richard Henderson <rth@redhat.com>
8150 * tree.c (build1): Check for null operand in last change.
8152 2001-02-11 Richard Henderson <rth@redhat.com>
8154 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8155 (fold): Don't assume a constant isn't foldable.
8156 * tree.c (build): Set TREE_CONSTANT for an expression with no
8157 side-effects and constant operands.
8160 2001-02-10 Richard Henderson <rth@redhat.com>
8162 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8164 2001-02-10 Anthony Green <green@redhat.com>
8166 * cpp.texi (Standard Predefined): Add documentation for
8169 * c-common.c (combine_strings): Improve warning message.
8171 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8173 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8175 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8177 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8179 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8182 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8184 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8187 2001-02-09 Nick Clifton <nickc@redhat.com>
8189 * config/arm/arm.md: Change output contraint on post inc
8190 load/store multiple patterns to be a read/write contraint.
8192 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8194 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8195 .o files when using the -M options.
8197 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8198 David Edelsohn <edelsohn@gnu.org>
8200 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8201 handle DImode constants. Use one TOC entry for SImode and smaller
8202 constants, aligned properly.
8204 2001-02-08 Jason Merrill <jason@redhat.com>
8206 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8207 about the SP adjustment for saving the static chain pointer.
8208 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8209 offset when setting a temporary CFA register.
8211 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8213 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8214 powerpc-*-chorusos* .
8215 * config/rs6000/chorus.h : New file.
8216 * config/i386/chorus.h : New file.
8217 * config/sparc/chorus.h : New file.
8218 * config/sparc/t-chorus-elf : New file.
8220 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8222 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8223 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8224 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8225 (__WCHAR_TYPE__): Correct macro name.
8227 2001-02-08 Richard Henderson <rth@redhat.com>
8229 * config/i386/i386.c (ix86_frame_pointer_required): New.
8230 (ix86_setup_frame_addresses): New.
8231 (struct machine_funciton): Add accesses_prev_frame.
8232 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8233 ix86_frame_pointer_required.
8234 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8235 (SETUP_FRAME_ADDRESSES): New.
8236 * config/i386/i386-protos.h: Update.
8237 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8238 from FRAME_POINTER_REQUIRED.
8239 * config/i386/svr3gas.h: Likewise.
8240 * config/i386/sysv3.h: Likewise.
8241 * config/i386/v3gas.h: Likewise.
8243 2001-02-08 Richard Henderson <rth@redhat.com>
8245 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8246 calculation of the number of integer registers required.
8247 (function_arg_record_value): Likewise.
8249 2001-02-08 Jason Merrill <jason@redhat.com>
8251 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8252 two. Print file and line with "confused" message.
8254 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8256 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8258 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8260 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8262 * final.c (cleanup_subreg_operands): The address of a MEM can
8265 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8268 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8270 * gcc.texi (Incompatibilities): Update documentation of
8271 preprocessing numbers.
8273 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8275 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8277 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8279 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8281 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8282 * gcc.c (struct compiler): Add cpp_spec field.
8283 (input_file_compiler): New variable.
8284 (do_spec_1): Allow a particular compiler to handle `%C'
8286 (main): Store the current compiler in input_file_compiler.
8287 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8289 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8291 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8292 * cppinit.c (cpp_create_reader): Initialize them.
8293 (append_include_chain): cxx_aware arg might be unused.
8294 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8295 keywords and give them their phase 7 meaning. Pedwarn about
8296 this unless '__bool_true_false_are_defined' is defined.
8298 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8300 * lcm.c (optimize_mode_switching): Emit mode_set before the
8301 JUMP_INSN of an abnormal edge.
8303 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8305 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8306 a scheduling barrier at the end.
8308 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8310 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8312 * config/sh/sh.md (reload_outsf): Removed.
8313 (movsf_ie): Introduce constraints for FPUL loads and stores.
8314 (reload_insf): Broaden the output constraint.
8316 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8318 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8319 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8321 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8323 * final.c: Revert my previous changes.
8324 * output.h: Make profile_label_no extern.
8325 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8326 for generating label.
8328 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8330 * config/i386/djgpp.h: Add comments about standard paths.
8331 (MD_EXEC_PREFIX): Undefine before defining.
8332 (MD_STARTFILE_PREFIX): New.
8334 2001-01-30 Bruce Korb <bkorb@gnu.org>
8336 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8337 (load_file): do not rely on load_file_data() to close file pointer
8338 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8339 fixinc/inclhack.def(irix_limits_const): add test_text
8341 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8343 * cppexp.c (parse_defined): Improve diagnostics for invalid
8346 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8348 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8350 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8352 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8353 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8354 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8355 (rs6000_output_symbol_ref): New function.
8356 (output_toc): Use VTABLE_NAME_P.
8358 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8360 * print-tree.c (print_node, case PARM_DECL):
8361 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8363 * stor-layout.c (reference_types_internal): New variable.
8364 (internal_reference_types): New function.
8365 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8366 * tree.h (internal_reference_types): New declaration.
8368 * cse.c (find_best_addr): Fix typo in computing cost.
8370 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8372 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8373 and this is the sum of a pointer and a constant, we know the result
8375 (num_sign_bit_copies, case PLUS): Likewise.
8376 * explow.c (convert_memory_address): Remove opposite SUBREG.
8377 * function.c (instantiate_new_reg): New function (from common code).
8378 (instantiate_virtual_regs_1): Call it.
8379 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8380 if pointers sign- or zero-extend.
8381 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8382 If pointers extend unsigned, use inside of SUBREG.
8383 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8385 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8387 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8388 subdir of gcc_gxx_include_dir.
8389 (gcc_gxx_target_include_dir): Remove.
8391 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8393 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8394 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8395 a high-level description.
8397 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8399 * final.c: Move the declaration of profile_label_no to ...
8400 * output.h: ... here.
8401 * function.c (expand_function_start): Call PROFILE_HOOK.
8402 * config/rs6000/aix.h: Define PROFILE_HOOK.
8403 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8404 * config/rs6000/rs6000.c (output_profile_hook): Define.
8405 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8406 output_profile_hook.
8407 tm.texi : Explain new macro PROFILE_HOOK.
8409 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8411 * extend.texi (Extended Asm): Do not say that semicolon is always
8412 a valid line-breaking character for GNU assemblers. Use
8413 newline-tab as the most commonly supported syntax. Use
8414 newline-tab rather than semicolon in multi-insn examples.
8416 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8418 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8420 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8421 David Edelsohn <edelsohn@gnu.org>
8423 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8424 code for AIX, even without flag_pic.
8426 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8428 * c-typeck.c (common_type): push and pop binding level around
8429 calling common_type on function parameters.
8431 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8433 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8435 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8437 * config/mips/mips.c (override_options): Fix typo in last change.
8438 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8439 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8441 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8443 * invoke.texi (-fdump-class-layout): Document.
8444 (-fdump-translation-unit): Use `=' as filename separator.
8446 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8448 * Makefile.in (s-mlib): Don't build multilibs if
8450 (DRIVER_DEFINES): Adjust accordingly.
8452 (protoize.o): Likewise.
8453 (unprotoize.o): Likewise.
8454 * configure.in: Recognize --enable-multilib.
8456 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8458 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8460 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8461 * configure.in: Remove --enable-libstdcxx_v3 support.
8462 * configure: Regenerated.
8464 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8466 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8467 Call abort instead of fatal.
8468 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8469 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8470 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8471 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8472 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8473 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8475 * diagnostic.h (set_internal_error_function): Renamed.
8476 * toplev.h (internal_error): Renamed from fatal.
8477 (pfatal_with_name): Deleted.
8478 (fatal_io_error): Now has printf-style arguments.
8479 * diagnostic.c (pfatal_with_name): Deleted.
8480 (fatal_io_error): Rework to have args in printf-style.
8481 (set_internal_error_function): Renamed from set_fatal_function.
8482 (internal_error): Renamed from fatal.
8483 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8484 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8485 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8486 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8487 * flow.c (verify_flow_info): Likewise.
8488 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8489 * config/mips/mips.c (save_restore_insns): Likewise.
8491 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8492 * flow.c (verify_flow_info): Likewise.
8493 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8494 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8495 (avr_normalize_condition): Likewise.
8496 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8497 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8498 (limit_reload_class, double_reg_to_memory): Likewise.
8499 (print_operand_address, emit_1600_code_shift): Likewise.
8500 (gen_tst_reg, gen_compare_reg): Likewise.
8501 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8502 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8504 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8506 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8507 * objc/objc-act.c (build_ivar_chain): Likewise.
8508 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8510 * graph.c (clean_graph_dump_file): Likewise.
8511 * profile.c (init_branch_prob): Likewise.
8512 * objc/objc-act.c (objc_init): Likewise.
8514 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8515 * config/avr/avr.c (avr_override_options): Likewise.
8516 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8517 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8518 * config/h8300/h8300.c (h8300_init_once): Likewise.
8519 * config/mips/mips.c (override_options): Likewise.
8520 * config/i386/i386.c (override_options): Likewise, rework.
8521 * config/m68k/m68k.c (override_options): Likewise.
8523 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8525 * config/mips/mips.c (print_operand): Likewise.
8526 * hash.c (hash_allocate): Don't check for failure returns from
8527 obstack functions that can't fail.
8528 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8529 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8530 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8531 (get_object_reference): Likewise.
8533 2001-02-04 Nick Clifton <nickc@redhat.com>
8535 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8536 StrongARM1110, 10TDMI, and 1020T.
8538 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8540 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8542 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8544 * config/sh/sh.md (movdf load split): Pass register number to
8545 FP_OR_XD_REGISTER_P.
8547 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8549 * cppinit.c (BC): New macro.
8550 (builtin_array): Add __GXX_WEAK__.
8551 * cpplib.h (builtin_type): Add BT_WEAK.
8552 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8553 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8554 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8556 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8558 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8560 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8562 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8563 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8565 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8567 * cpphash.h: Rename ALIGN _ALIGN.
8568 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8570 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8572 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8573 compilation environment.
8574 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8575 control over location of cygwin includes and libs.
8577 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8579 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8581 2001-02-02 lars brinkhoff <lars@nocrew.org>
8583 * md.texi (Standard Names): remove reference to spur.md.
8585 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8587 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8588 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8589 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8590 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8591 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8593 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8595 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8596 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8597 number before reload.
8598 (c4x_adjust_cost): Return zero before reload.
8599 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8600 split before reload.
8602 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8604 * c4x.c (c4x_hard_regno_rename_ok): New.
8605 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8606 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8608 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8610 * diagnostic.h: Add missing "extern" in all declarations.
8612 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8614 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8615 as for gcc_gxx_include_dir.
8617 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8619 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8621 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8623 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8624 label before alignment to be used as the braf base address.
8625 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8627 (casesi_jump_2): Require at least TARGET_SH2.
8629 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8630 truncation to 32-bit doubles on -m3e and -m4-single-only.
8632 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8634 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8635 the default when building a shared object.
8636 (init_spec): Use it.
8637 * testsuite/lib/g++.exp: Include the directory where libgcc
8638 is located to the LD_LIBRARY_PATH list.
8639 * invoke.texi (-shared-libgcc): Document the cases in which
8640 GCC defaults to using the shared libgcc.
8642 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8644 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8645 unsigned is wide enough.
8647 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8648 (si_to_float): Likewise.
8649 (float_to_si, float_to_usi): Use BITS_PER_SI.
8651 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8653 * dwarf2out.c: Added explanation of abbreviations.
8654 (def_cfa_1): Added comments listing DWARF2 instructions.
8655 (cfa_temp_reg): Removed in favor of cfa_temp.
8656 (cfa_temp_value): Removed in favor of cfa_temp.
8657 (cfa_temp): New global variable.
8658 (dwarf2out_frame_debug_expr): Added extensive introductory
8659 comments explaining the function's transformations. Revised to
8660 use cfa_temp. Added some rtx checking. Generalize IOR case.
8661 (dwarf2out_frame_debug): Revised to use cfa_temp.
8662 (output_aranges): Cast as "unsigned" to avoid warning.
8663 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8664 explain which instructions must be marked.
8666 2001-02-01 Richard Henderson <rth@redhat.com>
8668 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8671 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8673 * config/sh/crt1.asm (main_k): Modified so that start calls
8674 ___setup_argv_and_call_main.
8676 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8678 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8679 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8680 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8681 * cppmacro.c (builtin_macro): Set builtin flags here.
8682 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8683 (replace_args): Clarify intent.
8684 (cpp_get_token): Macro expansion tokens get the saved flags.
8686 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8689 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8691 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8694 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8696 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8697 returns Pmode pseudo, but we need ptr_mode.
8698 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8699 Remove bogus conversions; use HOST_WIDE_INT for size.
8700 Don't use TARGET if wrong mode.
8702 * config/i386/i386.c (ix86_compute_frame_size): Allow
8703 stack_alignment_needed to be non-default even if size is zero.
8705 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8707 * pa.c (hppa_init_pic_save): New function.
8708 * pa.h (hppa_init_pic_save): Declare.
8709 * pa.md (call, call_value, sibcall, sibcall_value): Use
8710 the above instead of duplicated code.
8712 * pa.c (hppa_encode_label): Correct size of alloca buffer
8713 so we don't overrun it. Correct leading `*' case.
8714 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8715 need to handle `*@'.
8716 (FUNCTION_NAME_P): Likewise.
8718 2001-01-31 Richard Henderson <rth@redhat.com>
8720 * config.gcc (alpha-osf5): Use float-i128.h.
8722 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8723 * config/float-i32.h: Likewise.
8724 * config/float-i64.h: Likewise.
8725 * config/float-sh.h: Likewise.
8726 * config/float-sparc.h: Likewise.
8728 2001-01-31 DJ Delorie <dj@redhat.com>
8730 * expmed.c (extract_bit_field): allow non-integral modes if we
8731 want to extract a whole register from itself.
8733 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8735 * c-typeck.c (set_init_index): If first is equal to last, assume as
8736 if it was not a range at all.
8738 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8740 * config/fp-bit.c: Include tm.h.
8741 (float_to_si): Don't assume SImode is 32-bits wide.
8742 (float_to_usi): Likewise.
8744 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8746 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8748 (typename): Call pending_xref_error after parsing typed_typespecs.
8749 * c-decl.c (lookup_tag): Give error immediately rather than
8750 leaving it pending if the tag of the wrong type is in the same
8752 (xref_tag): Don't pedwarn for forward declarations of enum types
8754 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8757 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8759 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8761 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8763 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8764 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8766 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8768 * cpphash.h (struct cpp_reader): New saved_flags.
8769 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8770 to avoid a paste after a pasted token.
8772 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8774 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8775 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8776 Wtype_MIN instead of LONG_MIN.
8778 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8780 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8782 * fixinc/fixincl.x: Regenerated.
8783 * fixinc/inclhack.def (irix_limits_const): New definition to
8784 convert "const" to "__const" in limits.h.
8786 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8788 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8790 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8792 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8793 when register dies in the insn.
8795 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8797 * diagnostic.c (fatal): Fix word wrap.
8799 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8801 * combine.c (try_combine): Fix SUBREG setting for
8802 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8804 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8806 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8809 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8811 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8813 * toplev.c (decode_W_option): Update warn_larger_than
8814 unconditionally for each processed switch.
8816 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8818 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8820 (hppa_expand_prologue): Delete code to save pic offset table register
8821 in the function prologue.
8822 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8823 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8824 table register at the beginning of the function after the prologue.
8826 2001-01-29 lars brinkhoff <lars@nocrew.org>
8828 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8830 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8831 Jeff Law <law@redhat.com>
8833 * pa.md (return): Revise comment for trivial return.
8834 (return_internal): Non-trivial return pattern for non-PIC code.
8835 (return_internal_pic): Non-trivial return pattern for PIC code.
8836 It uses the PIC register to ensure it is restored after
8838 (epilogue): Generate appropriate return for PIC and non-PIC code.
8840 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8842 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8844 2001-01-29 DJ Delorie <dj@redhat.com>
8846 * combine.c (if_then_else_cond): Pass the correct mode to
8847 operand_subword() for constants.
8849 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8851 * config/i386/cygwin.h: Add w32api to include search. Search different
8852 directories in a cross-build environment.
8854 2001-11-29 Tim Josling <tej@melbpc.org.au>
8856 * tree.h (TYPE_STUB_DECL): Add documentation.
8858 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8860 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8861 (sdbout_field_types): Likwise. Fix use of host_integerp.
8863 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8865 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8868 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8870 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8871 to use flag_gnu_linker.
8873 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8875 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8876 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8878 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8880 * tree.c, tree.h (build_parse_node): Remove; was identical to
8882 * c-lang.c (start_cdtor), objc/objc-act.c
8883 (build_module_descriptor): Use build_nt instead of
8886 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8888 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8889 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8890 not have any upper bits set.
8892 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8894 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8896 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8898 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8900 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8902 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8903 (integer_minus_one_node): Define.
8905 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8907 * Makefile.in (bootstrap2-lean): Fix typo.
8909 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8911 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8912 : Don't set fe_value.
8913 * cpplib.h (AVOID_LPASTE): New flag.
8914 (struct cpp_hashnode): Remove fe_value.
8915 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8916 * cppmacro.c (builtin_macro): Don't set flags here.
8917 (replace_args): Set AVOID_LPASTE flag on first token of an
8918 argument, and the token following it.
8919 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8920 macro expansion, and on the token following it. Do it for
8922 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8924 2001-01-27 Richard Henderson <rth@redhat.com>
8926 * config/alpha/t-ieee: Remove multilibbing.
8927 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8929 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8931 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8933 * Makefile.in: Remove all dependencies on defaults.h.
8934 * builtins.c: Don't include defaults.h.
8935 * c-common.c: Likewise.
8936 * c-decl.c: Likewise.
8937 * c-pragma.c: Likewise.
8938 * c-typeck.c: Likewise.
8939 * combine.c: Likewise.
8941 * frame-ia64.c: Likewise.
8942 * cppexp.c: Likewise.
8943 * crtstuff.c: Likewise.
8944 * dbxout.c: Likewise.
8945 * dwarf2out.c: Likewise.
8946 * dwarfout.c: Likewise.
8947 * emit-rtl.c: Likewise.
8948 * except.c: Likewise.
8950 * final.c: Likewise.
8951 * frame-dwarf2.c: Likewise.
8952 * libgcc2.c: Likewise.
8953 * optabs.c: Likewise.
8954 * profile.c: Likewise.
8955 * sdbout.c: Likewise.
8956 * toplev.c: Likewise.
8957 * tradcif.y: Likewise.
8959 * varasm.c: Likewise.
8961 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8963 * builtins.c (expand_builtin_fputs): Use size_one_node when
8964 transforming into fwrite.
8966 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8968 * extend.texi (Attribute Syntax): New section.
8970 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8972 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8973 they didn't need fixing.
8975 2001-01-27 Janis Johnson <janis@us.ibm.com>
8977 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8979 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8980 to remove macro definitions that are duplicated from elfos.h.
8982 2001-01-27 Richard Henderson <rth@redhat.com>
8984 * config/i386/sco5gas.h: Move ...
8985 * config/usegas.h: ... here.
8986 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8988 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8990 * c-typeck.c (struct constructor_stack): Add range_stack member.
8991 (really_start_incremental_init): Clear it.
8992 (push_init_level): Save constructor_range_stack and clear it if
8993 pushing explicit braces.
8994 (pop_init_level): abort if constructor_range_stack is non-zero at
8995 explicit closing brace. Restore saved constructor_range_stack if
8998 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9000 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9001 into register was forced into memory.
9003 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9005 * Makefile.in: Remove uses of + before $(MAKE).
9007 2001-01-26 Richard Henderson <rth@redhat.com>
9009 * stmt.c (cost_table): Remove.
9010 (COST_TABLE, cost_table_initialized): New.
9011 (estimate_case_costs): Use the later instead of the former.
9012 (balance_case_nodes): Likewise.
9014 2001-01-26 Richard Henderson <rth@redhat.com>
9016 * alias.c (objects_must_conflict_p): Read-only slots may not
9017 conflict despite having the same type.
9019 2001-01-27 Michael Hayes <mhayes@redhat.com>
9021 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9023 (check_ext_dependant_givs): Initialise u_start_val and
9025 (load_mems): Make last_max_reg unsigned.
9026 (try_swap_copy_prop): Use INSN_P and initialise set.
9028 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9030 * README.AVR : Removed.
9032 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9034 * pa-64.h (text_section): Remove declaration.
9036 * pa.md (return_internal): Remove mode on PIC register use.
9038 2001-01-25 lars brinkhoff <lars@nocrew.org>
9040 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9041 ASM_CLOSE_PAREN): fix typos.
9043 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9045 * acconfig.h: Define `const' to the empty string if neither
9046 __STDC__ nor __cplusplus is defined.
9047 * config.in: Regenerated.
9049 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9051 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9052 * collect2.c (main): Delete importf. Add ".obj" file extension.
9053 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9054 (aix_std_libs): Add additional AIX libraries to skip.
9055 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9056 * config/rs6000/aix51.h: New file.
9058 2001-01-25 Michael Hayes <mhayes@redhat.com>
9060 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9061 (loop_insn_emit_before): No longer static.
9062 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9063 (loop_givs_rescan, load_mems): Likewise.
9064 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9065 (maybe_eliminate_biv_1):
9066 (move_movables): Replace emit_call_insn_before with
9067 loop_call_insn_hoist.
9068 * loop.h (loop_insn_emit_before): Add.
9069 * unroll.c (copy_loop_body): Replace emit_insn_before with
9070 loop_insn_emit_before.
9072 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9074 * diagnostic.c (fatal): Request preprocessed source.
9076 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9078 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9079 olddecl has argument types and newdecl has none, use the argument
9082 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9084 * dwarf2out.c (prefix_of): New function. Determine longest common
9085 prefix of the two arguments. The units are whole path components.
9086 (output_file_names): When adding a new directory find the one entry
9087 with the longest common prefix already in the list. Artificially
9088 generate entry if there is none for this prefix.
9089 Fix test to check whether the zeroth directory entry is used.
9091 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9093 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9094 Changed all callers. Take it into account when deciding if a
9095 previously loaded value matches.
9097 2001-01-24 Richard Henderson <rth@redhat.com>
9099 * reload.c (find_reloads_subreg_address): Fail the substitution
9100 if the resulting address is insufficiently aligned.
9102 2001-01-24 DJ Delorie <dj@redhat.com>
9104 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9105 check the original operand's mode also.
9106 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9108 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9110 * c-parse.in (cast_expr): Move compound literals from here ...
9111 (primary): ... to here. Use standard terminology "compound
9112 literal" instead of "constructor expression".
9114 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9116 * gcc.1, cpp.1: Regenerate.
9118 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9120 * calls.c (emit_library_call_value_1): Memory slot for
9121 pass-by-reference argument should have the mode of the argument,
9122 not of the pointer to it.
9124 2001-01-24 Tom Tromey <tromey@redhat.com>
9126 * gcc.texi (G++ and GCC): Mention gcj manual.
9127 (Standards): Link to section of manual mentioning gcj/Java
9130 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9132 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9133 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9134 * tradcpp.c (main): Add -imacros or -include'd dependencies
9136 * cpp.texi (-M, -MM): Document -M -include behaviour.
9138 2001-01-24 Roger Collins <roger@ProProject.com>
9140 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9142 2001-01-24 Will Cohen <wcohen@redhat.com>
9144 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9145 whether registers are 32 bits or 64 bits in size.
9147 2001-01-24 Ben Elliston <bje@redhat.com>
9149 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9151 2001-01-24 Richard Henderson <rth@redhat.com>
9153 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9154 (builtin_longjmp): Use it instead of emit_indirect_jump.
9156 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9158 * bb-reorder.c (make_reorder_chain_1): Handle case where
9159 jump edge goes to the same block as the fallthru edge.
9161 2001-01-23 Jim Wilson <wilson@redhat.com>
9163 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9164 * frame.h (__ia64_personality_v1): Add prototype.
9165 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9166 prototype form. Add void * cast to first argument to personality
9168 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9169 (asctoe113): Likewise.
9170 * config/ia64/frame-ia64.c: Include eh-common.h.
9171 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9173 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9175 (itanium_split_issue): Add prototype.
9176 (gen_nop_type): Ifdef out.
9177 (find_best_packet): Initialize best_packet.
9178 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9180 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9181 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9182 (flushrs): Add explicit stop bit at end.
9183 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9186 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9188 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9190 * libgcc2.c (__terminate_func): Make variable static.
9191 (__terminate_set_func): New function to set __terminate_func.
9192 * libgcc2.h (__terminate_func_ptr): New typedef.
9193 (__terminate_set_func): New function.
9195 2001-01-23 Richard Henderson <rth@redhat.com>
9197 * flow.c (init_propagate_block_info): Don't consider unchanging
9198 memories for dead frame store elimination.
9200 2001-01-23 Richard Henderson <rth@redhat.com>
9202 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9203 * defaults.h: ... here.
9205 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9207 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9209 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9211 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9213 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9215 * rs6000.h (rs6000_return_addr): Move prototype from here...
9216 * rs6000-protos.h (rs6000_return_addr): ...to here.
9217 (rs6000_init_expanders): Delete prototype.
9219 2001-01-23 Nick Clifton <nickc@redhat.com>
9221 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9222 (Spec Files): Document %B and %j and %. and %v3 and %M and
9223 %{S*&T} spec switches.
9225 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9227 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9229 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9230 Neil Booth <neil@daikokuya.demon.co.uk>
9232 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9233 Have -Werror make pedantic warnings errors, like the
9236 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9238 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9240 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9242 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9243 * integrate.c (expand_inline_function): Initialize them.
9244 (subst_constants): If changing COMPARE so that both its arguments
9245 will be VOIDmode and the comparison mode will be lost, note
9246 compare_mode. Use the recorded compare_mode to optimize
9249 2001-01-23 Jason Merrill <jason@redhat.com>
9251 * dwarf2out.c (new_die): Use xcalloc.
9252 (output_die): Abort rather than emit a local reference to offset 0.
9254 2001-01-17 Andrew Haley <aph@redhat.com>
9256 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9257 of a saved register; return NULL instead.
9258 (copy_reg): Take a pointer to a source register rather than a
9260 (next_stack_level): Remember the address in the stack frame of all
9262 Use the saved register pointer array as the source of the CFA.
9263 (throw_helper): Rewrite. Unwind once rather than twice and keep
9264 track of saved registers as we go.
9266 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9268 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9269 * c4x.c (c4x_legitimize_reload_address): Remove.
9270 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9271 reload address for ldp(k) insn.
9273 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9275 * pa.md (return_internal): Add a USE of the PIC register to ensure
9276 it is restored after each call.
9277 (return expander): Corresponding changes.
9279 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9281 * rs6000.h (INIT_EXPANDERS): Delete.
9282 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9283 * rs6000.c (rs6000_override_options): Call *_machine_status from
9285 (rs6000_init_expanders): ...instead of here. Delete.
9286 (rs6000_mark_machine_status): New function.
9287 (rs6000_init_machine_status): Use xcalloc.
9288 (rs6000_return_addr): Generate RTX for the return address.
9289 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9290 (rs6000_stack_info): Use it.
9292 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9294 * gthr-win32.h: Include errno.h to get a declaration for
9295 EINVAL and _mingw.h if the target is mingw32.
9297 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9299 * cpp.texi: Correct typos.
9301 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9303 * explow.c (probe_stack_range): Ensure value passed to
9304 stack_check_libfunc is ptr_mode, not Pmode.
9306 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9308 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9309 case, don't use operand_subword to calculate a SUBREG that is
9312 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9314 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9316 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9317 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9318 valid. If not replace it by equivalent insns.
9320 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9322 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9323 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9324 (c4x_U_constraint, symbolic_address_operand): Likewise.
9325 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9327 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9328 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9329 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9330 anulling slot because of silicon bug.
9331 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9333 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9335 * cppexp.c (parse_charconst): Change `mask' type to agree
9338 2001-01-21 Richard Henderson <rth@redhat.com>
9340 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9341 pic_label_name in a linkonce section.
9343 2001-01-17 Philipp Thomas <pthomas@suse.de>
9345 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9347 * configure: Regenerate.
9349 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9351 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9352 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9354 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9356 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9357 If REVERSE nonzero then condition code in X must be reversed.
9358 (encode_section_info): Optimise if/else.
9359 (avr_function_value): Fix formatting.
9361 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9362 (difficult_branch): Likewise.
9363 (rvbranch): Likewise.
9364 (difficult_rvbranch): Likewise.
9366 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9368 * config/avr/libgcc.S: Fix comment.
9370 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9372 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9374 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9376 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9378 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9380 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9381 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9382 * configure, config.in: Regenerate.
9383 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9384 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9385 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9386 (doprint.o): New rule.
9388 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9390 * c-typeck.c (digest_init): Handle boolean types as scalars.
9392 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9394 * stmt.c (expand_return): Don't return anything if size is zero.
9395 Delete redundant assignment to BYTES.
9396 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9398 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9400 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9401 the same as the default library function names.
9402 * config/avr/avr.md: Document special characters after '%'.
9403 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9404 knowing which of the call-used registers are really clobbered.
9405 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9406 New. Both quotient and remainder from one libgcc.S call.
9407 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9408 clobber as few registers as possible.
9409 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9411 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9413 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9414 context of the top of the stack.
9416 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9418 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9419 (fixup_var_refs_insns): ...here.
9421 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9423 * function.c (fixup_var_refs_insns): Break up into
9424 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9425 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9426 [loop over hash table entries].
9427 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9428 fixup_var_refs_insns_with_hash, to match above changes.
9430 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9432 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9433 (libgcc.a): Likewise.
9434 (stmp-multilib): Likewise.
9435 (STAGE2_FLAGS_TO_PASS): Likewise.
9437 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9439 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9440 temporary if no_new_pseudos.
9442 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9444 * cppinternals.texi: Update.
9446 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9448 * arm.c (arm_init_builtins): Re-enable builtins.
9450 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9452 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9453 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9454 element to be null, and always expect an EXPR_LIST.
9455 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9456 * sched-deps.c (sched_analyze_1): Likewise.
9457 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9459 * regclass.c (max_set_parallel): New variable.
9460 (reg_scan): Take it into account in computation of max_parallel.
9461 (reg_scan_mark_refs, case SET): Compute it.
9463 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9465 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9466 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9468 2001-01-19 Jason Merrill <jason@redhat.com>
9470 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9471 for the abstract instance of an inline function.
9473 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9474 J"orn Rennecke <amylaar@redhat.com>
9476 * reload1.c (move2add_note_store): Treat all registers directly or
9477 indirectly derived from a base register as members of the same set
9479 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9480 of base register into account.
9482 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9484 * alias.c (find_base_value): Recognize TRUNCATE.
9485 (record_set): In PLUS case, invalidate if other summand is also a
9488 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9490 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9491 entry to be EXPR_LIST.
9492 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9493 be an EXPR_LIST (but not null, which other code doesn't allow).
9494 (note_stores): Properly handle PARALLEL in SET.
9495 Recursively call for top-level PARALLEL.
9496 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9497 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9499 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9501 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9503 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9504 not pfile->skipping (== 0).
9506 2001-01-17 Nick Clifton <nickc@redhat.com>
9508 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9511 2001-01-17 Jim Wilson <wilson@redhat.com>
9513 * invoke.texi (IA-64 options): Improve.
9515 2001-01-17 Tom Tromey <tromey@redhat.com>
9517 * invoke.texi (Optimize Options): Use `{}' to around @samp
9520 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9522 * invoke.texi (-fno-guess-branch-probability): New option.
9524 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9526 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9527 case of making new double-word constant.
9528 Revert last change: instead just test i3_subst_into_i2.
9530 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9532 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9533 Use q constraints instead of r.
9535 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9537 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9538 (machine_function): Define.
9539 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9540 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9541 pa_free_machine_status): New functions.
9542 (override_options): Set {init,mark,free}_machine_status to above.
9543 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9544 PIC_OFFSET_TABLE_REGNUM_SAVED.
9545 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9546 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9547 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9548 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9549 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9551 2001-01-15 DJ Delorie <dj@redhat.com>
9553 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9557 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * flow.c (propagate_on_insn): Make trying to delete a prologue
9560 or epilogue insn an ICE, not a warning. Allow doing this if
9561 the current function returns with stack pointer depressed.
9563 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9564 I3 having more than one SET.
9566 2001-01-16 Jim Wilson <wilson@redhat.com>
9568 * invoke.texi: Document IA-64 options.
9570 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9571 (fixup_errata): Delete TARGET_A_STEP use.
9572 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9573 (TARGET_SWITCHES): Delete -ma-step option.
9574 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9575 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9576 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9577 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9578 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9579 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9581 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9582 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9583 cmovsi_internal): Delete ! TARGET_A_STEP check.
9585 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9587 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9588 possibility to report bugs via postal mail. Change a URL and
9589 merge in a nearly duplicate statement...
9590 (Bug Reporting): ...from here.
9591 (Service): Refer to the Bug Reporting section instead of
9593 (Contributing): Remove trivial explanations concerning snapshots.
9595 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9597 * cppmain.c (general_init): Don't use ANSI prototype.
9599 2001-01-16 Tom Tromey <tromey@redhat.com>
9601 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9603 2001-01-16 Richard Henderson <rth@redhat.com>
9605 * config/i386/i386.h: Fix comment typo.
9606 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9607 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9609 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9611 * gcc.c: Revert previous -fsyntax-only-related change; move
9614 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9616 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9617 inmode after checking GET_CODE (op).
9619 2001-01-16 Richard Henderson <rth@redhat.com>
9621 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9622 (MAX_MEM_SET_LIST_LEN): New.
9623 (propagate_one_insn): Update mem_set_list_len.
9624 (invalidate_mems_from_autoinc): Likewise.
9625 (invalidate_mems_from_set): Likewise.
9626 (mark_used_regs): Likewise.
9627 (init_propagate_block_info): Likewise. Stop collecting memories
9628 when we reach MAX_MEM_SET_LIST_LEN.
9629 (mark_set_1): Likewise.
9631 2001-01-16 Richard Henderson <rth@redhat.com>
9633 * unroll.c (precondition_loop_p): Fail if no iteration
9636 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9638 * gcc.c: When -fsyntax-only is given, do not complain about
9641 2001-01-15 Richard Henderson <rth@redhat.com>
9643 * config/i386/i386.c (asm_output_function_prefix): Remove.
9644 (ix86_asm_file_end): New.
9645 (load_pic_register): Generate pic_label_name into a
9646 staticly allocated buffer.
9647 * config/i386/i386-protos.h: Update.
9648 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9649 (ASM_FILE_END): New.
9650 * config/i386/i386afe.h: New file.
9651 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9652 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9653 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9654 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9655 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9656 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9657 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9659 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9661 * Makefile.in (install-man): Remove explicit dependency on
9664 * configure.in, configure: Revert previous patch requiring perl
9667 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9669 * toplev.c (flag_guess_branch_prob): New.
9670 (f_options): Add guess-branch-probability option.
9671 (rest_of_decl_compilation): Only estimate branch probability if
9673 (main): set flag_guess_branch_prob.
9675 * flags.h (flag_guess_branch_prob): New.
9677 2001-01-15 DJ Delorie <dj@redhat.com>
9679 * gcc.texi (Makefile): Add documentation for Makefile targets.
9681 2001-01-15 Philip Blundell <philb@gnu.org>
9683 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9685 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9686 (is_pic): Delete declaration.
9687 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9688 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9689 * config/arm/arm.md (builtin_setjmp_receiver): New.
9691 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9693 * arm.c (use_return_insn): Don't try to determine the function type
9694 until after reload has completed.
9695 (arm_output_epilogue): Don't adjust the sp value recovered from the
9697 (emit_multi_reg_push): Don't record dwarf information for the pc.
9698 * arm.md (eh_epilogue): The function type may have changed, so it
9699 needs to be recalculated.
9700 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9701 unwind tables on arm/netbsd.
9703 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9705 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9706 (negated_cbranchsi4): Likewise.
9708 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9710 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9711 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9712 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9713 pass -mapcs-* options to assembler.
9714 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9715 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9716 (ASM_SPEC): Call subtarget_extra_asm_spec.
9718 2001-01-15 Andreas Jaeger <aj@suse.de>
9720 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9722 (ix86_expand_builtin): Likewise.
9724 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9725 warning about comparison between signed and unsigned.
9727 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9729 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9731 2001-01-14 Ralf Baechle <ralf@gnu.org>
9733 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9734 SUBTARGET_CPP_SPEC apropriatly.
9736 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9738 * varasm.c (make_decl_rtl): Fix typo in last change.
9740 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9742 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9743 linker supports the init_priority C++ attribute.
9744 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9745 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9746 linker does not support init_priority C++ attribute.
9748 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9750 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9752 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9754 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9755 * cp/lex.c (finish_parse): Similarly.
9756 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9757 Return the number of errors encountered.
9758 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9759 * cppmain.c (main): Don't call cpp_destroy.
9761 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9763 * configure.in: Require at least perl 5.6.0 to regenerate
9765 * configure: Regenerate.
9767 2001-01-14 Richard Henderson <rth@redhat.com>
9769 * genrecog.c (DT_veclen_ge): New.
9770 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9771 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9772 (nodes_identical_1): Handle DT_veclen_ge.
9773 (write_cond, debug_decision_2): Likewise.
9775 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9777 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9779 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9781 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9783 * cppmain.c (do_preprocessing): New function; most of the old
9785 (main): Call it to do most of the work.
9786 (cb): Move from global scope to set_callbacks ().
9787 (setup_callbacks): Get the callback pointer.
9788 (general_init, printer_init): Clean up code and comments.
9790 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9792 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9795 2001-01-14 Kazu Hirata <kazu@hxi.com>
9797 * config/h8300/h8300.c (get_shift_alg): Update comments.
9799 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9801 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9802 (alloc_page, ggc_alloc): Add casts to remove warnings.
9804 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9806 * combine.c (simplify_comparison): Don't change `code' when
9807 can't reverse comparison.
9809 2001-01-14 Richard Henderson <rth@redhat.com>
9811 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9812 update all call sites. Return true for all non-label constants.
9814 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9816 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9818 (ix86_expand_branch): Update.
9819 (ix86_expand_setcc): Update to handle multiple test conditions.
9820 (expand_int_movcc): Likewise.
9821 (expand_fp_movcc): Likewise.
9822 * i386-protos.h (ix86_expand_compare): New.
9823 * i386.md (andqi_?_slp, orqi_?_slp): New.
9824 (conditional trap expander): Update call to ix86_expand_compare.
9826 2001-01-14 Richard Henderson <rth@redhat.com>
9828 * config/vax/vax.md: Use nonimmediate_operand instead of
9829 general_operand in destinations.
9831 * config/vax/vax.md (indirect_jump): Use register_operand.
9833 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9834 * config/vax/vax.md (call_pop): Turn into an expander.
9835 (call_value_pop): Likewise.
9836 (call, call_value): New.
9838 2001-01-14 Andreas Jaeger <aj@suse.de>
9840 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9842 (ix86_fp_compare_mode): Add unused attribute.
9843 (ix86_expand_fp_movcc): Remove unused variable.
9844 (ix86_expand_builtin): Make fcode unsigned.
9846 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9847 (expand_expr): Add cast to avoid signed warning.
9848 (store_field): Likewise.
9849 (store_constructor_field): Likewise.
9850 (store_constructor): Likewise.
9851 (store_expr): Likewise.
9852 (clear_storage): Likewise.
9853 (emit_group_store): Likewise.
9854 (emit_group_load): Likewise.
9856 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9858 * c-common.c: Move format checking code to ...
9859 * c-format.c: ... here. New file. Reorder some functions and
9861 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9863 * c-common.h (decl_handle_format_attribute,
9864 decl_handle_format_arg_attribute): Declare.
9865 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9866 (c-common.o): Adjust dependencies.
9867 (c-format.o): New list of dependencies.
9869 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9871 * unroll.c (loop_iterations): If we cannot prove iteration variable
9872 is set once in each iteration, punt.
9874 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9876 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9877 (*strlenhi): Remove clobber (which was buggy) of output address.
9879 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9881 * Makefile.in (generated-manpages): Add gcc.1
9882 ($(srcdir)/gcc.1): New target.
9883 (maintainer-clean): Delete $(srcdir)/gcc.1.
9884 * gcc.texi: Add macros @gccoptlist and @gol.
9885 * invoke.texi: Include option summary in manpage. Mark up option
9886 summary with @gccoptlist and @gol. Use @r in one place where
9888 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9889 * gcc.1: Generate from invoke.texi.
9891 2001-01-13 Richard Henderson <rth@redhat.com>
9893 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9894 (struct page_entry): Add group member.
9895 (struct page_group): New.
9896 (struct globals): Add page_groups member.
9897 (alloc_anon): Only define for using mmap; remove valloc call.
9898 (page_group_index): New.
9899 (set_page_group_in_use): New.
9900 (clear_page_group_in_use): New.
9901 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9902 (free_page, release_pages): Likewise.
9903 * configure.in (with-gc): Default to ggc-page always.
9905 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9907 * reload1.c (replace_pseudos_in_call_usage): Use
9908 reg_equiv_constant and reg_equiv_address, and don't try
9909 regno_reg_rtx first.
9911 2001-01-13 Richard Henderson <rth@redhat.com>
9913 * ggc-page.c (alloc_page): Round up allocation size to one page.
9914 Set e->order on extra pages.
9916 2001-01-13 Richard Henderson <rth@redhat.com>
9918 * genrecog.c (nodes_identical): Expand commentary.
9919 (write_switch): Watch out for identical nodes.
9921 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9923 * cppfiles.c (_cpp_fake_include): New function.
9924 * cpphash.h (_cpp_fake_include): New.
9925 * cpplib.c (do_line): Call _cpp_fake_include when entering
9926 header files in preprocessed input.
9927 * cppmain.c (cb_pragma_implementation): Remove handling.
9928 (setup_callbacks): Don't register pragmas.
9930 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9932 * extend.texi: Udate for CPP.
9934 2001-01-13 Andreas Jaeger <aj@suse.de>
9936 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9938 * regmove.c: Add prototype for replace_in_call_usage.
9940 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9942 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9943 struct cpp_chunk, struct htab, struct toklist,
9944 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9945 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9946 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9947 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9948 (struct macro_args): Delete.
9949 * cpphash.h: See above.
9951 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9953 * cppmain.c (struct printer): Remove no_line_dirs.
9955 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9956 : Use options rather than CPP_OPTION.
9957 (setup_callbacks): Use cb rather than pfile->cb.
9958 (main): No need to check for a buffer. Use cpp_errors.
9959 (printer_init): Don't set no_line_dirs.
9960 (maybe_print_line): Use options not no_line_dirs.
9961 (cb_file_change): Don't call print_line if -P.
9963 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9965 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9967 * c-parse.in (finish_parse): Use cpp_errors.
9968 (__yylex): Use return value of cpp_pop_buffer.
9969 * cp/lex.c (finish_parse): Use cpp_errors.
9970 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9972 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9974 * README.AVR: URLs corrected.
9976 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9978 * c-decl.c (start_function): Don't warn if old prototype is builtin
9979 that's not in C's namespace.
9980 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9981 (_bb): Add prototype for ctime.
9982 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9984 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9986 * i386.c (ix86_fp_comparison_arithmetics_cost,
9987 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9988 ix86_fp_comparison_cost): New functions.
9989 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9990 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9991 two-branch sequences; make static.
9992 (ix86_use_fcomi_compare): Do decision according to the costs.
9993 (split_fp_branch): New.
9994 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9995 * i386-protos.h (ix86_expand_fp_compare): Remove
9996 (ix86_split_fp_branch): Declare.
9998 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9999 and ix86_comparison_operator.
10001 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10002 to make it cheaper.
10004 * i386.c (put_condition_code): Output properly the unordered/ordered
10005 compares in fp case.
10006 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10008 * tm.texi (REVERSE_CONDITION): Document.
10009 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10010 in -ffast-math mode.
10011 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10013 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10015 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10017 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10020 * config/sh/sh.c (mova_p): Fix test for mova_const.
10022 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10024 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10025 cpp_get_options rather than dereferencing pfile and using
10027 * scan-decls.c (scan_decls): Use return value of
10028 cpp_pop_buffer rather than CPP_BUFFER.
10030 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10032 * cppinit.c (cpp_handle_option): help_only is now part of the
10033 cpp_options structure.
10034 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10035 cpp_set_callbacks): New functions.
10036 * cpplib.h (cpp_callbacks): Break out as a named structure.
10037 (cpp_options): Move help_only here from cpp_reader.
10038 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10039 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10040 cpp_set_callbacks): New prototypes.
10041 * cppmain.c (main): Update for help_only.
10043 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10045 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10046 Also build and remove and install and uninstall c-tree.info and
10048 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10049 ($(srcdir)/cppinternals.info): New target.
10050 * c-tree.texi: Change file name used when makeinfo used without -o
10051 from ir.info to c-tree.info. Add info directory entry.
10052 * cppinternals.texi: Add info directory entry.
10053 * .cvsignore: Update.
10055 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10057 * c-typeck.c (store_init_value): Don't require constant initializer
10058 elements with -pedantic -std=c99.
10059 (digest_init): Change error about non-constant initializer elements
10061 (constructor_range_end): Remove.
10062 (constructor_incremental, designator_depth,
10063 designator_errorneous): New variables.
10064 (struct constructor_stack): Remove range_end, add incremental.
10065 (struct constructor_range_stack, constructor_range_stack): New.
10066 (struct initializer_stack): Add constructor_range_stack.
10067 (finish_init): Set it.
10068 (start_init): Likewise. require_constant_elements for non-static
10069 trees only if not flag_isoc99.
10070 (really_start_incremental_init): Remove constructor_range_end, add
10071 constructor_incremental.
10072 (pop_init_level): Likewise.
10073 (push_init_level): Likewise. If implicit and the subobject had some
10074 value set already, preinitialize the level with it.
10075 Warn about missing braces only if not pushing due to designators.
10076 (set_designator, push_range_stack): New functions.
10077 (set_init_label): Use them.
10078 (set_init_index): Likewise. Remove constructor_range_end.
10079 Error if designator index is outside of array bounds.
10080 (add_pending_init): Compare values of purpose index trees, not the
10081 trees themselves. Allow overwriting of already initialized element.
10082 Issue a warning if it had side-effects.
10083 (set_nonincremental_init, set_nonincremental_init_from_string): New
10085 (pending_init_member): Rename to...
10086 (find_init_member): ...this function. Call set_nonincremental_init
10087 if necessary. Compare values of purpose index trees, not the trees
10088 themselves. Return the actual value, not just non-zero if something
10090 (output_init_element): Remove checks for duplicates.
10091 If field has zero size, only check the initializer for correctness.
10092 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10093 if constructor_incremental is zero. Change error about initializers
10094 not computable at load time into pedwarn.
10095 (output_pending_init_elements): Compare bit positions, not
10096 FIELD_DECLs to take into account zero-sized fields.
10097 (process_init_element): Use constructor_range_stack to fill all
10098 ranges in the designator lists from current level up.
10099 * extend.texi: Update documentation for labeled elements.
10101 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10103 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10104 to function usage for arguments passed by reference. Optimize
10105 callee-copied arguments.
10106 * regmove.c (replace_in_call_usage): New function.
10107 (fixup_match_1): Call it.
10108 * cse.c (cse_insn): Canonicalize registers in function usage.
10109 * reload1.c (replace_pseudos_in_call_usage): New function.
10112 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10115 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10117 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10120 2001-01-12 DJ Delorie <dj@redhat.com>
10122 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10123 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10126 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10128 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10129 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10130 -std options alongside references to -ansi. Update some
10131 documentation for C99.
10132 * cpp.1: Regenerate.
10134 2001-01-12 Andreas Jaeger <aj@suse.de>
10136 * haifa-sched.c (restore_line_notes): Remove argument block B
10138 * sched-ebb.c (schedule_ebb): Change caller.
10139 * sched-rgn.c (schedule_region): Likewise.
10140 * sched-int.h (restore_line_notes): Adjust prototype.
10142 * loop.h: Remove wrong declaration of doloop_condition_get.
10144 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10146 * extend.texi: Move C++-extension-related node from the C section
10147 into the C++ section.
10149 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10151 * extend.texi: Refer to an array of pointers to functions instead
10152 of one of functions.
10154 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10155 Jan Hubicka <jh@suse.cz>
10157 * combine.c (reversed_comparison): Fix typo in last patch.
10159 (combine_reversed_comparison_code): Make static to follow
10160 prototype declaration.
10162 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10164 * install.texi: Remove misplaced duplicate entry.
10166 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10168 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10170 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10172 * final.c: (leaf_function_p): Fix typo.
10174 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10176 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10177 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10179 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10180 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10181 mmap_anon, and valloc is available.
10182 * ggc-page.c: Restructure ifdef logic to match new autoconf
10183 spec. Don't throw away the test page in init_ggc.
10185 * configure, config.in: Regenerate.
10187 2001-01-12 Michael Hayes <mhayes@redhat.com>
10189 * loop.h (total_biv_increment): Constify iv_class pointer.
10190 (struct induction): Replace `mem_mode' with `mem' rtx.
10191 * unroll.c (total_biv_increment): Constify iv_class pointer.
10192 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10193 (find_mem_givs, combine_givs_p): Likewise.
10194 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10196 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10198 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10200 (__gthread_getspecific): Ditto.
10202 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10204 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10205 put_condition_code): Convert fp comparison codes to integer
10207 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10210 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10211 * i386-protos.h (no_comparison_operator): Kill.
10213 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10215 * combine.c (REVERSIBLE_CC_MODE): Remove.
10216 (reversible_comparison_p): Remove.
10217 (combine_reversed_comparison_code): New.
10218 (reversed_comparison): New.
10219 (combine_simplify_rtx): Use
10220 combine_reversed_comparison_code/reversed_comparison instead
10221 of reversible_comparison_p.
10222 (simplify_if_then_else): Likewise.
10223 (simplify_set): Likewise.
10224 (simplify_logical): Likewise.
10225 (if_then_else_cond): Likewise.
10226 (known_cond): Likewise.
10227 (simplify_comparison): Likewise.
10229 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10231 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10232 sizeof (int) is larger than sizeof(__word__).
10234 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10236 * cppinit.c (do_includes): Fix typo.
10238 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10240 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10241 in S_REGS does not occur because not all sources are possible
10242 when a S_REGS is a destination (sometimes needs a clobber).
10243 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10244 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10245 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10246 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10247 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10248 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10249 (lshrdi_const1, lshrsi3_const16): Likewise.
10250 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10251 (*movhi_68hc12, *movqi_68hc12): Likewise.
10252 (movstrictqi): Make sure reloading in D_REGS as a destination
10255 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10257 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10259 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10261 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10262 -D, -U and -A, and don't initialize the builtins.
10263 (do_includes): Error if -include or -imacros with -fpreprocessed.
10264 * cppmain.c (cb_define, cb_undef): Unconditionally process
10266 * tradcpp.c (main): Fix typo.
10268 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10270 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10271 (read_name_map): Use IS_ABSOLUTE_PATH.
10272 * tradcpp.c (get_filename): Likewise.
10274 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10276 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10277 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10278 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10279 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10280 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10281 (cmphi_z_used): Don't use '@' for the output.
10282 (tstqi_z_used): Likewise.
10283 (cmpqi_z_used): Likewise.
10284 (one_cmplsi2): Likewise.
10286 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10288 * config/sh/sh.c (barrier_align): Recognize branch around far
10289 branch and redundant insn.
10291 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10293 * invoke.texi: Restore documentation of the drivers' switches -MD
10296 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10298 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10300 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10301 check-objc//%): Support parallel testing of multilibs.
10302 (TESTSUITEDIR): Set to testsuite by default, but override for
10304 (check-gcc, check-g++, check-g77, check-objc): Enter
10307 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10309 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10310 * sched-deps.c (deps_may_trap_p): Likewise.
10311 * basic-block.h: Remove a comment.
10312 * flow.c (PROP_POSTRELOAD): Remove.
10313 (update_life_info): Don't add it to prop_flags.
10314 (mark_set_1): Lose the code that was enabled by it.
10316 2001-01-11 Michael Hayes <mhayes@redhat.com>
10318 * flow.c (flow_call_edges_add): New.
10319 * basic_block.h (flow_call_edges_add): New.
10321 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10323 * reload1.c (move2add_note_store): Update reg_set_luid even if
10324 base reg remains the same.
10326 2001-01-10 Nick Clifton <nickc@redhat.com>
10328 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10329 machine_function structure to zero.
10330 Add prototypes for machine_status functions.
10332 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10334 * c-common.h (CTI_VOID_LIST): Remove.
10335 (void_list_node): Likewise.
10336 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10337 (void_list_node): New macro.
10338 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10339 * config/i386/i386.c (ix86_init_builtins): Likewise.
10340 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10342 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10344 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10345 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10347 * tradcpp.c: Include mkdeps.h.
10348 (deps, print_deps_phony_targets, deps_append, output_deps,
10349 init_dependency_output, output_deps): New.
10350 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10351 deps_output): Delete.
10352 (print_deps_missing_files): Rename deps_missing_files.
10353 (inhibit_output): Make global.
10354 (main): Delete inhibit_output, deps_stream, deps_target.
10355 Use mkdeps functionality in the same way as cpplib. Remove
10356 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10357 -M and -MM. Remove old handling of deps via deps_out, and
10358 old reading of environment variables.
10359 (get_filename): Update to use deps_add_dep.
10361 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10363 * output.h (make_function_rtl): Remove prototype.
10364 (make_decl_rtl): Likewise.
10365 * varasm.c (make_function_rtl): Remove.
10366 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10367 than from a third parameter.
10368 * tree.h (make_decl_rtl): Remove last parameter.
10369 * c-decl.c (builtin_function): Remove last argument in call to
10370 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10371 (start_function): Likewise.
10372 * except.c (call_get_eh_context): Likewise.
10373 * expr.c (emit_block_move): Likewise.
10374 (clear_storage): Likewise.
10375 * profile.c (output_func_start_profiler): Likewise.
10376 * toplev.c (rest_of_decl_compilation): Likewise.
10377 * objc/objc-act.c (create_builtin_decl): Likewise.
10378 (synth_module_prologue): Likewise.
10379 (generate_static_reference): Likewise.
10380 (build_selector_reference_decl): Likewise.
10381 (build_class_reference_decl): Likewise.
10382 (build_objc_string_decl): Likewise.
10383 (build_protocol_reference): Likewise.
10385 2001-01-10 Richard Henderson <rth@redhat.com>
10387 * hwint.h: Revert yesterday's change.
10389 2001-01-10 Nick Clifton <nickc@redhat.com>
10391 * function.h (save_machine_status): Delete.
10392 (restore_machine_status): Delete.
10393 Amend comment describing {init|mark|free}_machine_status.
10395 * function.c (save_machine_status): Delete.
10396 (restore_machine_status): Delete.
10397 Amend comment describing {init|mark|free}_machine_status.
10398 (push_function_context_to): Remove invocation of
10399 save_machine_status.
10400 (pop_function_context_from): Remove invocation of
10401 restore_machine_status.
10403 * emit-rtl.c (init_emit_once): Amend comment describing
10404 {init|mark|free}_machine_status.
10406 * tm.texi (Per-Function Data): New node. Describe the
10407 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10410 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10412 * cppinit.c (OPT_g): Remove.
10413 (cpp_handle_option): Update for removed -g3.
10414 (print_help): Update.
10415 * cpplib.h (struct cpp_options): Remove debug_output.
10416 * cppmain.c (setup_callbacks, cb_define): Update.
10417 * gcc.c (cpp_options): Translate -g3 to -dD.
10419 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10421 * config/i960/i960.md: Change modifier to + on the zero_extract
10422 pattern after the (rotate -2 reg) canonicalization pattern.
10424 2001-01-10 Richard Henderson <rth@redhat.com>
10426 * config/alpha/alpha.c (alpha_free_machine_status): New.
10427 (override_options): Install it.
10428 (alpha_mark_machine_status): Verify machine non-null.
10429 * config/i386/i386.c (ix86_free_machine_status): New.
10430 (override_options): Install it.
10431 (ix86_init_machine_status): Use xcalloc.
10432 (ix86_mark_machine_status): Verify machine non-null.
10433 * config/ia64/ia64.c (ia64_free_machine_status): New.
10434 (ia64_override_options): Install it.
10435 (ia64_mark_machine_status): Verify machine non-null.
10437 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10439 * function.c (instantiate_virtual_regs): Instantiate virtual
10440 registers found in CALL_INSN_FUNCTION_USAGE.
10442 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10444 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10445 equivalent to -ansi in disabling -Di386.
10447 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10449 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10451 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10453 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10455 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10457 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10459 * invoke.texi: Document that -fcond-mismatch isn't supported for
10462 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10464 * gcc.texi: Define macro gcctabopt.
10465 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10466 @command, @env and @option in some places where appropriate. Use
10467 @gcctabopt where appropriate. Put URLs and email addresses inside
10470 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10472 * gcc.c (cpp_options): Set MD file name from output
10473 filename, if specified.
10474 (suffix_subst): New static variable.
10475 (do_spec): Clear it.
10476 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10478 (give_switch): Handle suffix_subst.
10480 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10482 * invoke.texi: Fix another typo.
10484 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10486 * invoke.texi: Fix typo.
10488 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10490 * c-lang.c (lang_hooks): Update.
10491 (lang_decode_option): Remove.
10492 (lang_init_options): Rename c_init_options.
10493 * toplev.c (main): Use lang_hooks for lang_init_options
10494 and lang_decode_option.
10495 * toplev.h (lang_hooks): Add 2 new hooks.
10496 * tree.h: Remove lang_init_options and lang_decode_option.
10497 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10498 * cp/decl2.c: Similarly.
10499 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10500 (lang_hooks): Update.
10501 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10503 (lang_init_options): Rename ffe_init_options.
10504 (lang_hooks): Update.
10505 (lang_decode_option): Remove.
10506 * java/lang.c (lang_init_options): Rename java_init_options.
10507 (lang_decode_option): Rename java_decode_option.
10508 (lang_hooks): Update.
10509 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10510 (lang_decode_option): Rename objc_decode_option.
10511 (lang_hooks): Update.
10513 2001-01-09 Nick Clifton <nickc@redhat.com>
10515 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10516 (d30v_return_addr_rtx): Delete.
10517 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10518 cfun->machine structure.
10519 (struct machine_function): Move to d30v.h
10520 (d30v_save_machine_status): Delete.
10521 (d30v_restore_machine_status): Delete.
10522 (d30v_init_machine_status): New Function.
10523 (d30v_mark_machine_status): New Function.
10524 (d30v_free_machine_status): New Function.
10525 (d30v_init_expanders): Use new functions.
10526 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10527 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10528 d30v_return_addr_rtx.
10530 * config/d30v/d30v.h (struct_machine): Move here.
10531 Add eh_epilogue_sp_ofs field.
10533 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10534 field in cfun->machine structure.
10536 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10538 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10539 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10540 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10542 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10544 * objc/lang-options.h: Remove bogus reference to
10547 2001-01-09 Kazu Hirata <kazu@hxi.com>
10549 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10552 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10554 * reload.c (find_reloads_address): Check for eliminable registers
10555 when substituting a constant expression for a pseudo.
10557 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10559 * c-common.c (enum format_type): Add format_type_error.
10560 (decode_format_type): New function.
10561 (decl_attributes): Use it.
10562 (format_kind_info): Adjust comment.
10564 2001-01-09 David O'Brien <obrien@BSDi.com>
10566 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10567 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10569 * config/i386/gnu.h: Don't include required platform specific .h files,
10570 tm.h will do it instead.
10571 * config/i386/i386elf.h: Likewise.
10572 * config/i386/linux.h: Likewise.
10573 * config/i386/moss.h: Likewise.
10574 * config/mips/gnu.h: Likewise.
10576 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10578 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10579 (rs6000-ibm-aix3.[01]*): Likewise.
10580 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10581 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10582 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10583 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10584 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10585 (powerpc-*-eabiaix*): Likewise.
10586 (powerpc-*-eabisim*): Likewise.
10587 (powerpc-*-elf*): Likewise.
10588 (powerpc-*-eabi*): Likewise.
10589 (powerpc-*-rtems*): Likewise.
10590 (powerpc-*-linux*libc1): Likewise.
10591 (powerpc-*-linux*): Likewise.
10592 (powerpc-wrs-vxworks*): Likewise.
10593 (powerpcle-wrs-vxworks*): Likewise.
10594 (powerpcle-*-sysv*): Likewise.
10595 (powerpcle-*-elf*): Likewise.
10596 (powerpcle-*-eabisim*): Likewise.
10597 (powerpcle-*-eabi*): Likewise.
10598 (powerpcle-*-solaris2*): Likewise.
10599 * config/rs6000/aix31.h: Delete includes.
10600 * config/rs6000/aix3newas.h: Likewise.
10601 * config/rs6000/aix41.h: Likewise.
10602 * config/rs6000/aix43.h: Likewise.
10603 * config/rs6000/beos.h: Likewise.
10604 * config/rs6000/rtems.h: Likewise.
10605 * config/rs6000/sysv4.h: Likewise.
10607 2001-01-09 Kazu Hirata <kazu@hxi.com>
10609 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10610 Change an argument mode of machine_mode to shift_mode of
10611 shift_mode. Remove an extra error check.
10612 (emit_a_shift): Adopt to the new calling prototype of
10614 (function_prologue): Fix code for a monitor
10615 function. Support H8/S.
10616 (function_epilogue): Do not output pop for a monitor function.
10618 2001-01-09 Nick Clifton <nickc@redhat.com>
10620 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10621 (setup_incoming_varargs): Use sysv_varargs_p field of the
10622 cfun->machine structure.
10623 (struct machine_function): Move to rs6000.h
10624 (rs6000_save_machine_status): Delete.
10625 (rs6000_restore_machine_status): Delete.
10626 (rs6000_init_machine_status): New Function.
10627 (rs6000_free_machine_status): New Function.
10628 (rs6000_init_expanders): Use new functions.
10630 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10632 (struct machine_function): Move here.
10634 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10635 sysv_varargs_p field of the cfun->machine structure.
10637 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10639 (rs6000_restore_machine_status): Remove prototype.
10641 2001-01-09 Richard Henderson <rth@redhat.com>
10643 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10644 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10645 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10646 (sched_analyze_2, sched_analyze_insn): Likewise.
10647 (sched_analyze, init_deps): Likewise.
10648 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10649 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10650 (compute_block_backward_dependences): Update propagate_deps call.
10652 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10654 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10656 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10658 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10659 (cpp_handle_option): Handle them.
10660 (cpp_post_options): Ensure one of -M or -MM is specified with
10661 any other -M? option.
10662 (init_dependency_output): Suppress output with -MG.
10664 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10666 * cpp.texi: Update.
10667 * invoke.texi: Update.
10669 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10671 * sh.md (reload_outsf): Generate recognizable patterns for
10674 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10676 * c-lang.c (lang_hooks): Update.
10677 (lang_init): Rename c_init.
10678 (lang_finish): Remove.
10679 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10680 and lang_finish ().
10681 * toplev.h (lang_hooks): Add init () and finish ().
10682 * tree.h (lang_init, lang_finish): Remove.
10683 * cp/tree.h (lang_init, lang_finish): Remove.
10684 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10685 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10687 (lang_init, lang_finish): Remove.
10688 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10689 (lang_hooks): Update.
10690 * java/lang.c (lang_init): Rename java_init.
10691 (lang_finish): Remove.
10692 (lang_hooks): Update.
10693 * objc/objc-act.c (lang_init): Rename objc_init.
10694 (lang_finish): Remove.
10695 (lang_hoooks): Update.
10697 20001-01-09 Graham Stott <grahams@redhat.com>
10699 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10700 after `ptr` is initialised.
10702 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10704 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10705 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10706 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10707 stack adjusts, instead of r3.
10709 2001-01-09 Michael Hayes <mhayes@redhat.com>
10711 * flow.c (flow_loop_scan): Break out of ...
10712 (flow_loops_find) ... here.
10713 * basic-block.h (flow_loop_scan): New.
10714 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10715 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10717 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10719 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10721 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10722 realloc()ing macro_buffer.
10724 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10725 if it's wider than long and the target's long is wider than the
10728 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10730 Remove support for using UWIN as a host machine.
10731 * configure.in: Issue an error message.
10732 * configure: Regenerated.
10733 * config.gcc: Remove xm_* UWIN configury.
10734 * config/i386/xm-uwin.h: Remove.
10736 2001-01-08 Nick Clifton <nickc@redhat.com>
10738 * config/v850/v850.c (ra_rtx): Delete.
10739 (v850_save_machine_status): Delete.
10740 (v850_restore_machine_status): Delete.
10741 (v850_init_machine_status): New function.
10742 (v850_mark_machine_status): New function.
10743 (v850_free_machine_status): New function.
10744 (v850_return_addr): Use ra_rtx field in machine structure.
10745 (v850_init_expanders): Use new functions.
10747 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10748 * config/v850/v850.c: Change arguments to v850_output+* functions
10749 to take a const char *, to avoid compile time warning.
10750 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10751 (USER_LABEL_PREFIX): Redefine.
10753 2000-01-08 Jim Wilson <wilson@redhat.com>
10755 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10756 1 to unsigned HOST_WIDE_INT before left shift.
10758 2001-01-08 Nick Clifton <nickc@redhat.com>
10760 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10761 the machine structure has been allocated.
10762 (arm_free_machine_status): New function: Free the machine
10763 specific function structure.
10765 2001-01-08 Richard Henderson <rth@redhat.com>
10767 * jump.c (simplejump_p): Revert last change.
10769 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10771 * cppinit.c (init): Rename init_library.
10772 (cpp_create_reader): Update.
10773 * gcc.c (cpp_options): If -o given, use it as the target of
10776 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10778 * arm.c (arm_arch5e): New variable.
10779 (all_cores): XScale is a 5TE device.
10780 (arm_override_options): Set arm_arch5e.
10781 (arm_init_builtins): __builtin_prefetch is in arch5e.
10782 * arm.h (arm_arch5e): Declare it.
10784 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10786 * arm.md (define_constants): Add defines for UNSPEC and
10787 UNSPEC_VOLATILE insns. Update all users.
10788 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10789 * arm.c (multi_register_push, note_invalid_constants)
10790 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10791 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10792 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10794 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10796 * jump.c (jump_optimize_1): Use reversed_comparison_code
10797 instead of can_reverse_comparison_p.
10798 (jump_back_p): Likewise.
10799 (invert_exp_1): Likewise.
10800 (thread_jumps): Likewise.
10801 * simplify-rtx.c (simplify_unary_operation): Likewise.
10802 (simplify_ternary_operation): Likewise.
10803 * cse.c (find_comparison_args): Convert to use
10804 can_reverse_comparison_p.
10805 (record_jump_equiv): Likewise.
10807 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10809 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10810 (EPILOGUE_USES): Define.
10811 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10812 automatically stack the LR if it isn't live.
10814 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10816 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10819 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10821 * ggc-page.c (max_alignment): New structure.
10822 (MAX_ALIGNMENT): New macro.
10823 (init_ggc): Use it to round up the sizes in the
10824 extra_order_size_table.
10826 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10828 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10831 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10833 * builtins.def (BUILT_IN_FPRINTF): New entry.
10835 * c-common.c (c_expand_builtin_fprintf): New function.
10836 (init_function_format_info): Handle __builtin_fprintf.
10837 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10838 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10840 * c-decl.c (duplicate_decls): Adjust comment.
10842 * extend.texi (fprintf): Document new builtin.
10844 2001-01-07 Richard Henderson <rth@redhat.com>
10846 * jump.c (simplejump_p): Recognize any single_set jump
10847 of the proper form.
10849 2001-01-07 Richard Henderson <rth@redhat.com>
10851 * configure.in (slibdir): Accept an --with-slibdir option.
10852 Use "test" not "[" in configure. Default to $(libdir).
10854 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10856 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10857 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10858 (SHLIB_LINK): Create links for the soname.
10859 * config/mips/t-iris6: Likewise.
10860 * config/sparc/t-slibgcc: Likewise.
10861 * config/sparc/t-slibgcc-sld: Likewise.
10863 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10865 * config/i386/i386.c (constant_call_address_operand): Accept
10866 (const (plus (symbol_ref) (const_int))).
10867 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10868 constant_call_address_operand.
10870 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10872 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10873 and LONG_LONG_TYPE_SIZE > 32.
10875 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10877 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10878 the previous change.
10880 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10882 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10884 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10885 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10886 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10889 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10891 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10893 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10895 * c-lang.c (c_post_options): Call cpp_post_options.
10896 * objc/objc-act.c (objc_post_options): Similarly.
10897 * cppmain.c (main): Similarly.
10898 * fix-header.c (read_scan_file): Similarly.
10899 * cppinit.c (cpp_start_read): Move option consistency checks
10900 to cpp_post_options. Don't call init_dependency_output.
10901 If needed, add default target and main file dependency.
10902 (OPT_MD, OPT_MMD): Remove.
10904 (cpp_handle_option): Update for OPT_* changes.
10905 (cpp_post_options): New.
10906 (init_dependency_output): Command line -MF overrides environment
10907 variables. Don't set default target etc. Suppress output
10908 if dependencies are going to stdout.
10909 (print_help): Update.
10910 * cpplib.h (cpp_post_options): New.
10911 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10913 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10915 * jump.c (comparison_dominates_p): Support unordered compares.
10917 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10919 * simplify-rtx.c (simplify_relational_operation): Always simplify
10920 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10923 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10925 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10926 (nonzero_bits): Likewise.
10927 (simplify_comparison): Likewise.
10928 (num_sign_bit_copies): Likewise; return more sane value depending
10929 on STORE_FLAG_VALUE.
10930 (known_cond): Do not assume EQ to be always true for equivalent
10933 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10935 * cse.c (fold_rtx): Handle unordered comparisons.
10937 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10939 * rtlanal.c (set_of_1): New static function.
10940 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10941 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10942 reg_set_last_last_regno): Remove.
10943 (set_of): New global function.
10944 (set_of_data): New structure.
10945 (reg_set_p, reg_set_last): Revamp for set_of.
10946 * rtl.h (set_of): New.
10948 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10950 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10951 * extend.texi: Document _Exit builtin.
10953 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10955 * (initialize, initialize_builtins,
10956 initialize_dependency_output, initialize_standard_includes):
10957 Rename s/initialize/init. Update.
10958 (init_dependency_output): Move to after
10959 cpp_handle_options, the correct location temporally at least.
10960 (opt_comp): Move next to init (), its caller. Fix prototype.
10961 (init): Make "initialized" local scope.
10962 (cpp_create_reader): Always call init ().
10963 (cpp_start_read): Update.
10964 (output_deps): New function, broken out of cpp_finish.
10965 (cpp_finish): Break out output_deps.
10967 2001-01-07 Richard Henderson <rth@redhat.com>
10969 * collect2.c (COFF specific stuff): Revert 12-06 patch
10970 to prototype system functions.
10972 2001-01-07 Michael Hayes <mhayes@redhat.com>
10974 * hard-reg-set.h: Add multiple include guard.
10975 * basic-block.h (struct loop): Add `sink' field.
10976 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10977 (emit_iv_add_mult): Delete.
10978 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10979 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10980 (unroll_loop): Remove end_insert_before argument.
10981 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10982 (maybe_eliminate_biv_1): Likewise.
10983 (emit_iv_add_mult): Delete.
10984 (gen_add_mult, loop_regs_update): New.
10985 (loop_insn_emit_after, loop_insn_emit_before): New.
10986 (loop_insn_sink, loop_insn_sink_or_swim): New.
10987 (emit_iv_add_mult): Delete.
10988 (scan_loop): Set loop->sink.
10989 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10990 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10991 (maybe_eliminate_biv_1): Likewise.
10992 (maybe_eliminate_biv_1): Add basic block argument.
10993 * unroll.c (unroll_loop): Remove end_insert_before argument.
10994 (find_splittable_regs): Likewise.
10995 (find_splittable_regs): Use loop_insn_sink and its ilk.
10996 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10998 2001-01-07 Michael Hayes <mhayes@redhat.com>
11000 * loop.h (loop_insn_hoist): New prototype.
11001 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11002 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11003 (check_dbra_loop, load_mems): Likewise.
11004 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11005 (find_splittable_givs): Likewise.
11007 2001-01-07 Michael Hayes <mhayes@redhat.com>
11009 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11011 2001-01-07 Richard Henderson <rth@redhat.com>
11013 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11015 2001-01-07 Richard Henderson <rth@redhat.com>
11017 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11018 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11019 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11020 variant that handles a shared libgcc.
11021 (process_command): Always validate -{static,shared}-libgcc.
11022 (do_spec_1): New 'M' case.
11023 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11025 2001-01-07 Richard Henderson <rth@redhat.com>
11027 * Makefile.in (slibdir): New variable.
11028 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11029 (installdirs): Create slibdir.
11030 (install-libgcc, install-multilib): Defer to libgcc.mk.
11031 * configure.in (slibdir): Substitute.
11032 * mklibgcc.in (install): New target.
11034 * config/t-linux (SHLIB_LINK): Create links for the soname.
11035 (SHLIB_INSTALL): New.
11036 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11037 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11038 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11039 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11040 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11042 2001-01-07 Richard Henderson <rth@redhat.com>
11044 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11045 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11046 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11048 2001-01-07 Michael Hayes <mhayes@redhat.com>
11050 * loop.c (count_loop_regs_set): Delete.
11051 (load_mems_and_recount_loop_regs_set): Delete.
11052 (loop_regs_scan): Merge common code from count_loop_regs_set,
11053 scan_loop, and load_mems_and_recount_loop_regs_set.
11054 (scan_loop): Call load_mems directly and loop_regs_scan
11055 again if new registers created.
11057 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11059 * toplev.c (main): Call the front-end specific post_options
11060 hook if one is given.
11061 * toplev.h (struct_lang_hooks, lang_hooks): New.
11062 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11063 for the C front end.
11064 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11065 lang_hooks for the C++ front end.
11066 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11067 lang_hooks for the ObjC front end.
11068 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11069 * java/lang.c (lang_hooks): Hooks for the Java front end.
11071 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11073 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11074 for verbose DWARF[2] debugging.
11075 (cb_define, cb_undef): The new callbacks.
11076 * toplev.h (debug_define, debug_undef): Make const correct.
11077 * toplev.c (debug_define, debug_undef): Similarly. Do not
11078 perform the verbosity tests here anymore.
11080 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11082 * reload.c (subst_reloads): Take INSN argument. When
11083 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11084 * reload.h (subst_reloads): Adjust prototype.
11085 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11086 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11087 present in JUMP_INSNs and copy them to JUMP_LABEL.
11088 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11089 JUMP_INSNs and insns with REG_LABELs that are followed by
11090 JUMP_INSNs with the same REG_LABEL.
11091 * sched-rgn.c (is_cfg_nonregular): Likewise.
11092 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11094 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11096 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11098 2001-01-06 Richard Henderson <rth@redhat.com>
11100 * loop.c (scan_loop): Use xcalloc for the regs array.
11101 (load_mems_and_recount_loop_regs_set): Zero the new memory
11102 received from xrealloc.
11104 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11106 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11108 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11110 * integrate.c (copy_rtx_and_substitute): When copying
11111 an ignored return value, strip REG_FUNCTION_VALUE_P.
11113 2001-01-06 Michael Hayes <mhayes@redhat.com>
11115 * loop.c (debug_biv, debug_giv): New.
11116 (loop_biv_dump): Break out from ...
11117 (record_biv): ... here.
11118 (loop_giv_dump): Break out from ...
11119 (record_giv): ... here.
11120 (loop_bivs_check): Use print_simple_rtl.
11121 * unroll.c (loop_iterations): Use print_simple_rtl.
11123 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11125 * pa.md (return, return_internal): Modify patterns to prevent regrename
11126 mucking with the return pointer.
11128 2001-01-05 Richard Henderson <rth@redhat.com>
11130 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11132 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11134 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11135 version supplied by Matteo Frigo.
11137 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11139 * cpp.texi: Update for -MQ.
11140 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11141 (cpp_cleanup): Always free pfile->deps.
11142 (initialize_dependency_output): Don't create pfile->deps.
11143 (cpp_handle_option): Similarly.
11145 * gcc.c (cpp_options): Handle -MQ.
11146 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11147 * mkdeps.c (base_name): Remove.
11148 (deps_init): Don't allocate vector space until it's needed.
11149 (deps_free): Only free vectors if allocated.
11150 (deps_add_target, deps_add_dep): Update for initial allocation.
11151 (deps_add_default_target): Don't strip to the base_name.
11153 2001-01-05 DJ Delorie <dj@redhat.com>
11155 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11156 (INIT_EXPANDERS): Define.
11158 * config/v850/v850.c (struct machine_function): Define.
11159 (v850_save_machine_status): New function.
11160 (v850_restore_machine_status): New function.
11161 (v850_return_addr): New function.
11162 (v850_init_expanders): New function.
11164 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11165 and v850_init_expanders.
11167 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11169 * cpplib.h (struct cpp_reader): Add help_only field.
11170 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11171 (cpp_handle_option): Set pfile->help_only if we see -h,
11172 --help, -target-help, or --version. Print version string but
11173 do not set help_only if we see -v or -version. Make text
11174 printed by -v match that printed by (-)-version.
11176 * cppmain.c (main): Exit after option parsing if
11177 pfile->help_only is true.
11179 * toplev.c (independent_decode_option): Call print_version,
11180 then exit, if we see --version (but not -version).
11181 (print_version): Split lengthy message into two lines.
11183 2001-01-05 Nick Clifton <nickc@redhat.com>
11185 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11186 temporary string for initialisation before calling ggc_alloc_string.
11188 2001-01-06 Michael Hayes <mhayes@redhat.com>
11190 * rtl.h (print_simple_rtl): New.
11191 * print-rtl.c (print_simple_rtl): New.
11192 (flag_simple): New.
11193 (print_rtx): Disable printing of flags and modes, etc.,
11194 if `flag_simple` nonzero.
11196 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11198 * function.c (fixup_var_refs): Use push_to_full_sequence where
11201 2001-01-05 Michael Meissner <meissner@redhat.com>
11203 * flags.h (flag_reorder_blocks): Add declaration.
11204 (flag_rename_block): Ditto.
11206 2001-01-05 DJ Delorie <dj@redhat.com>
11208 * function.c (reorder_blocks): Make sure the flags are all reset
11209 before using them to mark blocks, else a second invocation will
11210 corrupt the block chain.
11211 (reorder_blocks_0): New, resets the flags.
11213 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11215 * cse.c (find_comparison_args): Stop if the argument is known to
11218 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11220 * config/sh/sh.md (movdf): When splitting load into pair of
11221 registers, don't clobber the register used in the address too
11224 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11226 * varasm.c (mark_constant_pool): Improve initial comments.
11227 (mark_constants): Move marking of constants to mark_constant.
11228 (mark_constant): New function to recursively mark all constants
11229 referred to by a constant.
11231 2001-01-05 Catherine Moore <clm@redhat.com>
11233 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11235 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11237 * cp/lang-options.h: Bring comment in line with reality.
11238 * f/lang-options.h: Likewise.
11239 * java/lang-options.h: Likewise.
11240 * objc/lang-options.h: Likewise.
11241 * ch/lang-options.h: Likewise.
11242 * f/g77.texi: And update the manual.
11244 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11245 Denis Chertykov <denisc@overta.ru>
11247 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11248 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11249 * config/avr/avr.md (all peepholes that request a scratch register):
11250 Call it, FAIL the peephole if not safe (in interrupt functions).
11252 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11254 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11256 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11258 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11260 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11261 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11262 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11263 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11264 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11266 * extend.texi: Document these builtins.
11268 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11270 * c-common.c (lang_get_alias_set): Say we know nothing of
11271 VECTOR_TYPE aliasing.
11273 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11275 2001-01-05 Bruce Korb <bkorb@gnu.org>
11277 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11278 their x* equivalent versions for atexit-less systems
11279 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11280 systems (or any other system any more).
11282 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11284 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11285 output operands. Use arm_hard_register_operand for operand 4.
11286 (stmsi_postinc): Similarly.
11287 (ldmsi): Use arm_hard_register_operand for opernand 2.
11288 (stmsi): Similarly.
11289 * arm.c (arm_hard_register_operand): New function.
11290 * arm-protos.h (arm_hard_register_operand): Prototype it.
11292 * arm.h (HARD_REGNO_RENAME_OK): Define.
11294 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11296 * simplify-rtx.c (cfc_args): add "unordered" field.
11297 (check_fold_consts): Set unordered field.
11298 (simplify_relational_operation): Simplify the unordered
11301 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11304 * emit-rtl.c (try_split): Fix code to mark labels.
11305 * jump.c (mark_jump_label): Make global.
11306 * rtl.h (mark_jump_label): Declare.
11308 * predict.c (estimate_probability): Handle unordred comparisons.
11310 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11312 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11313 * cppinit.c (initialize_dependency_output): Update.
11314 (cpp_finish): Output dummy targets for -MP.
11316 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11317 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11318 * gcc.c (cpp_options): Update to handle -MP.
11319 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11320 to quote only the default target.
11321 (deps_phony_targets): Insert a preceding newline. Rename from
11322 deps_dummy_targets for consistency.
11325 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11327 * calls.c (emit_library_call_value_1): Support
11328 INIT_CUMULATIVE_LIBCALL_ARGS.
11329 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11331 2001-01-04 Richard Henderson <rth@redhat.com>
11333 * c-decl.c (finish_struct): Detect flexible array members
11334 used in an inappropriate context.
11335 * c-typeck.c (really_start_incremental_init): Special case
11336 constructor_max_index for zero length arrays.
11337 (pop_init_level): Allow initialization of flexible array
11338 members. Deprecate initialization of zero length arrays.
11339 Don't issue missing initializer warning for flexible array
11340 members or zero length arrays.
11341 (process_init_element): Don't dereference null DECL_SIZE.
11342 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11343 Don't abort for empty constructors. Use size_binop
11344 (output_constructor): Add commentary regarding zero length
11345 array futures. Abort if we try to initialize an array of
11346 unspecified length with a non-empty constructor in the middle
11349 * extend.texi (Zero Length): Update and clarify documentation
11350 on static initialization.
11352 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11354 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11355 with more than 32767 words of local storage.
11357 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11359 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11360 for 'abs', 'labs', and 'fabs'.
11361 (c4x_expand_builtin): Likewise.
11362 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11364 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11366 * config/sh/sh.md (prget, prset): New insn types.
11367 (return delay slot): Dont' allow prset.
11368 (call, sfunc delay slot): Don't allow prget.
11369 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11370 for prset and prget.
11372 2001-01-05 Michael Hayes <mhayes@redhat.com>
11374 * loop.h (struct loop_reg): New.
11375 (struct loop_regs): Change to use array of `struct loop_reg'.
11376 * loop.c: Replace assortment of varrays with single regs array.
11377 (count_one_set): Delete may_not_move array argument
11378 and use regs array instead. All caller's changed.
11379 (count_loop_regs_set): Delete may_not_move and single_usage
11380 arguments and use regs array instead. All caller's changed.
11381 (find_single_use_in_loop): Replace usage array argument with pointer
11382 to regs structure. All caller's changed.
11383 (loop_optimize): Delete `moved_once' array.
11385 2001-01-05 Michael Hayes <mhayes@redhat.com>
11387 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11388 Use it instead of loop_info->has_call for scanning loop mems.
11389 (check_dbra_loop): Replace loop_info->has_call test with
11390 loop_info->has_nonconst_call.
11392 2000-01-04 Matthew Hiller <hiller@redhat.com>
11394 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11397 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11399 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11400 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11402 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11404 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11405 (flag_short_double, flag_short_wchar): Define.
11406 (c_common_nodes_and_builtins): Create many tree nodes shared
11407 between C and C++ here instead of in cp/decl.c and ...
11408 * c-decl.c (init_decl_processing): ... here.
11409 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11410 (flag_short_double, flag_short_wchar): Don't define.
11411 (record_builtin_type): New function.
11412 (build_void_list_node): New function.
11413 * c-common.h (flag_short_double, flag_short_wchar,
11414 record_builtin_type, build_void_list_node): Declare.
11416 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11418 * integrate.c (expand_inline_function): Don't put a virtual
11419 register into the reg map.
11421 * function.c (fixup_var_refs_1): If force_operand didn't put
11422 the address into the target, move it there.
11424 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11426 Special-case tree_decl/tree_list allocations.
11427 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11428 (OBJECT_SIZE): New macro.
11429 (NUM_EXTRA_ORDER): Likewise.
11430 (extra_order_size_table): New variable.
11431 (NUM_ORDERS): New macro.
11432 (objects_per_page_table): New variable.
11433 (object_size_table): New variable.
11434 (G.pages): Use NUM_ORDERS to bound the array.
11435 (G.page_tails): Likewise.
11436 (DIV_ROUND_UP): Remove.
11437 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11438 (alloc_page): Use OBJECT_SIZE.
11439 (size_lookup): Don't make it const.
11440 (ggc_alloc): Use OBJECT_SIZE.
11441 (ggc_set_mark): Likewise.
11442 (ggc_get_size): Likewise.
11443 (init_ggc): Set up the object_size_table, objects_per_page_table,
11444 and adjust size_lookup.
11445 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11446 (ggc_pop_context): Use NUM_ORDERS.
11447 (clear_marks): Likewise.
11448 (sweep_pages): Likewise.
11449 (poison_pages): Likewise.
11450 (ggc_print_statistics): Use OBJECT_SIZE.
11452 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11454 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11455 Only call array_size_for_constructor if last field and array type
11456 with no upper bound.
11458 2001-01-04 Philip Blundell <philb@gnu.org>
11460 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11461 from bit 31 downwards, if this requires no more insns.
11462 (count_insns_for_constant): New helper function for above.
11464 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11466 * gencodes.c (output_predicate_decls): Remove empty initializer.
11468 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11470 * tree.c (copy_node): Remove documentation about obstacks.
11471 (buidl1): Check that nobody tries to build 2-argument nodes this
11474 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11476 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11479 * gencodes.c (output_predicate_decls): Fill empty initializer
11482 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11484 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11485 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11487 (do_include): Handle missing headers like cpp0.
11488 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11489 paths with first include pathname. Don't strcat to uninitialized
11492 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11494 * regrename.c (regrename_optimize): Don't rename from frame pointer
11495 if frame_pointer_needed.
11496 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11497 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11498 (ia64_reorg): Use it instead of scheduling if ! optimize.
11499 (errata_emit_nops): Properly call asm_noperands.
11500 (ia64_sched_reorder): Finish cycle if we see an asm.
11501 (ia64_variable_issue): Clear scheduling state after asms.
11503 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11505 * cpp.texi: Update for -MT.
11506 * cppinit.c (initialize_dependency_output): Add a default
11507 target if none has been given already.
11508 (no_tgt, OPT_MT): New.
11509 (cpp_handle_option): Handle -MT. Update -M etc.
11510 * cpplib.h (struct cpp_options): Remove deps_target.
11511 * gcc.c (cpp_options): Handle -MT.
11512 * mkdeps.c (struct deps): Move from mkdeps.h.
11513 (deps_calc_target): Rename deps_add_default_target. Add a
11514 default target if none has been specified already.
11515 * mkdeps.h (struct deps): Move to mkdeps.c.
11516 (deps_calc_target): Rename deps_add_default_target.
11518 2000-01-03 Richard Henderson <rth@redhat.com>
11520 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11522 * c-typeck.c (push_init_level): Move checks for flexible array
11523 members and zero length arrays ...
11524 (pop_init_level): ... here. Silently discard empty initializations.
11526 * varasm.c (output_constructor): Update for sizeof change to
11527 zero-length arrays.
11529 * extend.texi (Zero Length): Clarify semantics.
11531 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11533 * configure.in (tm.h): Include isns-codes.h last.
11534 * configure: Rebuilt.
11536 2001-01-03 Richard Henderson <rth@redhat.com>
11538 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11539 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11541 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11543 * tradcpp.c (main): Make sure finclude() is called with a valid
11544 indepth value while handling -include.
11546 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11548 * gencodes.c (output_predicate_decls): New function.
11550 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11551 even if it is not the first time machmode.h is #included.
11552 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11553 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11554 * gcc.texi (Copyright): Added 2001.
11556 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11558 * c-common.c (c_common_lang_init): New function. Warn if format
11559 warning options which only have effects when used with -Wformat
11560 are used without -Wformat.
11561 * c-common.h (c_common_lang_init): Declare.
11562 * c-lang.c (lang_init): Call c_common_lang_init.
11563 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11565 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11567 * configure.in: Check for the mktemp command.
11568 * configure: Regenerate.
11569 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11570 $TEMP. Create temporary files with mktemp, if available at
11571 configure time; otherwise use set -C. Remove temporary files
11574 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11576 * configure.in: Require at least texinfo 4.0. Check for whether
11577 Pod::Man is sufficiently recent to regenerate GCC manpages.
11578 * configure: Regenerate.
11579 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11581 (GENERATED_MANPAGES): Define.
11582 (generated-manpages): New target. Depend on cpp.1 as well as
11584 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11585 configure to generated-manpages or empty) rather than on the
11586 manpages directly. Remove execute permission from installed
11587 gcov.1 as well as cpp.1.
11588 * cpp.1, gcov.1: Regenerate.
11590 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11592 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11593 tree_low_cst. Allow using cmpstrsi in more cases.
11595 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11597 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11600 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11602 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11603 * Makefile.in (HOST_CFLAGS): Mention build-make.
11605 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11607 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11610 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11612 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11615 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11618 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11619 reg_base_value and reg_known_value arrays.
11620 (init_alias_analysis): Add more cases to detect known values.
11621 * sched-deps.c (deps_may_trap_p): New function.
11622 (sched_analyze_2): Use it.
11624 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11626 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11627 don't discard an ASHIFTRT if we're shifting in a wider mode.
11629 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11631 * toplev.c (rest_of_compilation): Don't print basic block information
11632 when CFG isn't up to date.
11634 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11636 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11637 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11638 (UNALIGNED_SHORT_ASM_OP): Define.
11639 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11641 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11643 * fold-const.c (fold_convert): Fix typo.
11645 2001-01-02 Richard Henderson <rth@redhat.com>
11647 * c-common.h (ASM_INPUT_P): New.
11648 * c-parse.in (asm): Set it when needed.
11649 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11650 existance of an operand.
11652 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11654 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11655 (dwarf2out_frame_debug_expr): Likewise.
11656 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11658 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11660 * i386.c (ix86_split_to_parts): Return number of part required;
11662 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11664 (ix86_split_long_move): Use number of part returned
11665 by ix86_split_to_parts
11666 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11668 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11669 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11670 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11671 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11672 (ALIGN_MODE_128): Add TFmode.
11673 (IS_STACK_MODE): Likewise.
11674 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11675 (HARD_REGNO_OK): Support TFmodes.
11676 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11677 * i386.md (scheduler definitions): Use memory operand to determine
11678 fst/fld instructions; use mode attribute to determine real mode of
11680 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11681 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11683 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11685 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11687 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11689 * expr.c (store_constructor_field): Update ALIGN before calling
11692 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11694 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11697 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11699 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11702 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11704 * c-decl.c (start_function): Don't warn on third parameter to main.
11706 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11708 * tsystem.h: Define HAVE_DECL_GETOPT.
11710 2001-01-02 Philip Blundell <pb@futuretv.com>
11712 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11715 2001-01-02 Richard Henderson <rth@redhat.com>
11717 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11719 2001-01-02 Andreas Jaeger <aj@suse.de>
11721 * c-decl.c (c_decode_option): Remove support of
11722 -Wmissing-noreturn.
11724 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11725 (W_options): Add -Wmissing-noreturn here.
11727 * flow.c: Define lang_missing_noreturn_ok_p.
11728 (check_function_return_warnings): Use it.
11730 * c-common.h: Declare lang_missing_noreturn_ok_p.
11732 * c-lang.c (c_missing_noreturn_ok_p): New function.
11733 (lang_init): Set lang_missing_noreturn_ok_p.
11735 * invoke.texi (Warning Options): Document this.
11737 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11739 * extend.texi (C++ Extensions): New node for C++ attributes;
11740 describe init_priority and com_interface.
11741 * invoke.texi: Remove -finit-priority as it now has zero effect.
11742 * install.texi: Fix xref syntax.
11743 * md.texi: Likewise.
11745 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11747 * config.gcc (sparc64-wrs-vxworks*): New case.
11748 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11750 * config/sparc/sparc.c (sparc_override_options): Do support different
11751 pointer and architecture size.
11752 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11753 (POINTERS_EXTEND_UNSIGNED): Define.
11754 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11755 (FUNCTION_MODE): Define to be Pmode.
11756 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11758 * function.c (expand_function_end): Properly handle DECL_RESULT
11759 and copy when ptr_mode != Pmode.
11760 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11762 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11764 * c-common.c (c_common_nodes_and_builtins): Set prototype
11765 parameters for __builtin_fputs, __builtin_fputc and
11766 __builtin_fwrite. Don't declare plain fputc as a builtin.
11768 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11770 * loop.c (add_label_notes): Increment the label usage count when
11771 a note is added to an insn which refers to a CODE_LABEL.
11772 * gcse.c (add_label_notes): Likewise.
11774 2001-01-01 Andreas Jaeger <aj@suse.de>
11776 * loop.c (scan_loop): Use xmalloc to allocate movables.
11778 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11780 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11781 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11782 * reload1.c (REGISTER_MOVE_COST): Likewise.
11783 * regclass.c (REGISTER_MOVE_COST): Likewise.
11784 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11785 dimension. Adjust all users.
11786 (init_reg_sets_1): Iterate on all modes.
11787 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11788 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11789 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11790 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11791 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11792 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11793 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11794 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11795 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11796 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11797 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11798 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11799 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11800 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11801 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11802 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11803 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11804 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11805 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11806 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11807 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11808 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11809 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11810 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11811 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11812 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11813 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11815 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11817 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11818 arg VARIES_P. Call it with extra arg.
11819 (true_dependence): Likewise.
11820 * rtl.h (rtx_addr_can_trap_p): Declare.
11821 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11823 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11824 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11825 pic offset table register if it's zero. All callers changed.
11826 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11828 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11830 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11831 STRING_POOL_ADDRESS_P.
11833 * config/sparc/sparc.c (input_operand): Properly test for short op.
11835 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11836 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11837 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11838 * config/sparc/elf.h: No longer include sol2.h.
11839 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11840 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11842 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11844 2001-01-01 Michael Hayes <mhayes@redhat.com>
11846 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11847 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11848 (record_initial): Likewise.
11849 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11850 (remap_split_bivs): Likewise.
11852 2001-01-01 Michael Hayes <mhayes@redhat.com>
11854 * loop.c (loop_ivs_free): New function.
11855 (strength_reduce): Break out from...
11857 2001-01-01 Michael Hayes <mhayes@redhat.com>
11859 * loop.h (struct iv): New.
11860 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11861 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11862 'reg_biv_class' fields with 'regs' and 'n_regs'.
11863 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11864 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11865 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11867 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11869 * resource.c (mark_referenced_resources): Abort() before
11870 attempting to mark a pseudo register.
11871 (mark_set_resources): Likewise.
11873 2001-01-01 Michael Hayes <mhayes@redhat.com>
11875 * loop.h (REG_IV_CLASS): New accessor macro.
11876 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11877 * unroll.c (REG_IV_CLASS): Likewise.
11879 See ChangeLog.4 for earlier changes.